.gitignore

@@ -10,4 +10,3 @@ app/static/frequency/frequency.p
 app/static/wordfreqapp.db
 app/static/donate-the-author.jpg
 app/static/donate-the-author-hidden.jpg
-app/model/__pycache__/

README.md

@@ -182,7 +182,6 @@ Bug report: http://118.25.96.118/bugzilla/show_bug.cgi?id=215
 
 
 
-
 ### 丁锐
 
 修复了以下漏洞
@@ -193,4 +192,3 @@ Bug report: http://118.25.96.118/bugzilla/show_bug.cgi?id=489
 
 
 *Last modified on 2023-01-30*
-

app/Article.py

@@ -7,7 +7,7 @@ import random, glob
 import hashlib
 from datetime import datetime
 from flask import Flask, request, redirect, render_template, url_for, session, abort, flash, get_flashed_messages
-from difficulty import get_difficulty_level_for_user, text_difficulty_level, user_difficulty_level
+from difficulty import get_difficulty_level, text_difficulty_level, user_difficulty_level
 
 
 path_prefix = '/var/www/wordfreq/wordfreq/'
@@ -32,20 +32,12 @@ def get_article_body(s):
     return '\n'.join(lst)
 
 
-def get_today_article(user_word_list, visited_articles):
+def get_today_article(user_word_list, articleID):
     rq = RecordQuery(path_prefix + 'static/wordfreqapp.db')
-    if visited_articles is None:
-        visited_articles = {
-            "index" : 0,  # 为 article_ids 的索引
-            "article_ids": []  # 之前显示文章的id列表，越后越新
-        }
-    if visited_articles["index"] > len(visited_articles["article_ids"])-1:  # 生成新的文章，因此查找所有的文章
+    if articleID == None:
         rq.instructions("SELECT * FROM article")
-    else:  # 生成阅读过的文章，因此查询指定 article_id 的文章
-        if visited_articles["article_ids"][visited_articles["index"]] == 'null':  # 可能因为直接刷新页面导致直接去查询了'null'，因此当刷新的页面的时候，需要直接进行“上一篇”操作
-            visited_articles["index"] -= 1
-            visited_articles["article_ids"].pop()
-        rq.instructions('SELECT * FROM article WHERE article_id=%d' % (visited_articles["article_ids"][visited_articles["index"]]))
+    else:
+        rq.instructions('SELECT * FROM article WHERE article_id=%d' % (articleID))
     rq.do()
     result = rq.get_results()
     random.shuffle(result)
@@ -53,51 +45,38 @@ def get_today_article(user_word_list, visited_articles):
     # Choose article according to reader's level
     d1 = load_freq_history(path_prefix + 'static/frequency/frequency.p')
     d2 = load_freq_history(path_prefix + 'static/words_and_tests.p')
-    d3 = get_difficulty_level_for_user(d1, d2)
+    d3 = get_difficulty_level(d1, d2)
 
-    d = None
-    result_of_generate_article = "not found"
+    d = {}
     d_user = load_freq_history(user_word_list)
     user_level = user_difficulty_level(d_user, d3)  # more consideration as user's behaviour is dynamic. Time factor should be considered.
-    text_level = 0
-    if visited_articles["index"] > len(visited_articles["article_ids"])-1:  # 生成新的文章
-        amount_of_visited_articles = len(visited_articles["article_ids"])
-        amount_of_existing_articles = result.__len__()
-        if amount_of_visited_articles == amount_of_existing_articles:  # 如果当前阅读过的文章的数量 == 存在的文章的数量，即所有的书本都阅读过了
-            result_of_generate_article = "had read all articles"
-        else:
-            for k in range(3):  # 最多尝试3次
-                for reading in result:
-                    text_level = text_difficulty_level(reading['text'], d3)
-                    factor = random.gauss(0.8, 0.1)  # a number drawn from Gaussian distribution with a mean of 0.8 and a stand deviation of 1
-                    if reading['article_id'] not in visited_articles["article_ids"] and within_range(text_level, user_level, (8.0 - user_level) * factor):  # 新的文章之前没有出现过且符合一定范围的水平
-                        d = reading
-                        visited_articles["article_ids"].append(d['article_id'])  # 列表添加新的文章id；下面进行
-                        result_of_generate_article = "found"
-                        break
-                if result_of_generate_article == "found":  # 用于成功找到文章后及时退出外层循环
-                    break
-        if result_of_generate_article != "found":  # 阅读完所有文章，或者循环3次没有找到适合的文章，则放入空（“null”）
-            visited_articles["article_ids"].append('null')
-    else:  # 生成已经阅读过的文章
-        d = random.choice(result)
-        text_level = text_difficulty_level(d['text'], d3)
-        result_of_generate_article = "found"
+    random.shuffle(result)  # shuffle list
+    d = random.choice(result)
+    text_level = text_difficulty_level(d['text'], d3)
+    if articleID == None:
+        for reading in result:
+            text_level = text_difficulty_level(reading['text'], d3)
+            factor = random.gauss(0.8,
+                                  0.1)  # a number drawn from Gaussian distribution with a mean of 0.8 and a stand deviation of 1
+            if within_range(text_level, user_level, (8.0 - user_level) * factor):
+                d = reading
+                break
 
-    today_article = None
-    if d:
-        today_article = {
-            "user_level": '%4.2f' % user_level,
-            "text_level": '%4.2f' % text_level,
-            "date": d['date'],
-            "article_title": get_article_title(d['text']),
-            "article_body": get_article_body(d['text']),
-            "source": d["source"],
-            "question": get_question_part(d['question']),
-            "answer": get_answer_part(d['question'])
-        }
-
-    return visited_articles, today_article, result_of_generate_article
+    s = '<div class="alert alert-success" role="alert">According to your word list, your level is <span class="badge bg-success">%4.2f</span>  and we have chosen an article with a difficulty level of <span class="badge bg-success">%4.2f</span> for you.</div>' % (
+        user_level, text_level)
+    s += '<p class="text-muted">Article added on: %s</p>' % (d['date'])
+    s += '<div class="p-3 mb-2 bg-light text-dark">'
+    article_title = get_article_title(d['text'])
+    article_body = get_article_body(d['text'])
+    s += '<p class="display-5">%s</p>' % (article_title)
+    s += '<p class="lead"><font id="article" size=2>%s</font></p>' % (article_body)
+    s += '<p><small class="text-muted">%s</small></p>' % (d['source'])
+    s += '<p><b>%s</b></p>' % (get_question_part(d['question']))
+    s = s.replace('\n', '<br/>')
+    s += '%s' % (get_answer_part(d['question']))
+    s += '</div>'
+    session['articleID'] = d['article_id']
+    return s
 
 
 def load_freq_history(path):
@@ -137,4 +116,21 @@ def get_answer_part(s):
             flag = 1
         elif flag == 1:
             result.append(line)
-    return '\n'.join(result)
+    # https://css-tricks.com/snippets/javascript/showhide-element/
+    js = '''
+<script type="text/javascript">
+
+    function toggle_visibility(id) {
+       var e = document.getElementById(id);
+       if(e.style.display == 'block')
+          e.style.display = 'none';
+       else
+          e.style.display = 'block';
+    }
+</script>
+    '''
+    html_code = js
+    html_code += '\n'
+    html_code += '<button onclick="toggle_visibility(\'answer\');">ANSWER</button>\n'
+    html_code += '<div id="answer" style="display:none;">%s</div>\n' % ('\n'.join(result))
+    return html_code

app/Login.py

@@ -3,18 +3,6 @@ import string
 from datetime import datetime, timedelta
 from UseSqlite import InsertQuery, RecordQuery
 
-def md5(s):
-    '''
-    MD5摘要
-    :param str: 字符串
-    :return: 经MD5以后的字符串
-    '''
-    h = hashlib.md5(s.encode(encoding='utf-8'))
-    return h.hexdigest()
-
-# import model.user after the defination of md5(s) to avoid circular import
-from model.user import get_user_by_username, insert_user, update_password_by_username
-
 path_prefix = '/var/www/wordfreq/wordfreq/'
 path_prefix = './'  # comment this line in deployment
 
@@ -24,9 +12,13 @@ def verify_pass(newpass,oldpass):
 
 
 def verify_user(username, password):
-    user = get_user_by_username(username)
-    encoded_password = md5(username + password)
-    return user is not None and user.password == encoded_password
+    rq = RecordQuery(path_prefix + 'static/wordfreqapp.db')
+    password = md5(username + password)
+    rq.instructions_with_parameters("SELECT * FROM user WHERE name=:username AND password=:password", dict(
+        username=username, password=password))  # the named style https://docs.python.org/3/library/sqlite3.html
+    rq.do_with_parameters()
+    result = rq.get_results()
+    return result != []
 
 
 def add_user(username, password):
@@ -34,12 +26,19 @@ def add_user(username, password):
     expiry_date = (datetime.now() + timedelta(days=30)).strftime('%Y%m%d') # will expire after 30 days
     # 将用户名和密码一起加密，以免暴露不同用户的相同密码
     password = md5(username + password)
-    insert_user(username=username, password=password, start_date=start_date, expiry_date=expiry_date)
+    rq = InsertQuery(path_prefix + 'static/wordfreqapp.db')
+    rq.instructions_with_parameters("INSERT INTO user VALUES (:username, :password, :start_date, :expiry_date)", dict(
+        username=username, password=password, start_date=start_date, expiry_date=expiry_date))
+    rq.do_with_parameters()
 
 
 def check_username_availability(username):
-    existed_user = get_user_by_username(username)
-    return existed_user is None
+    rq = RecordQuery(path_prefix + 'static/wordfreqapp.db')
+    rq.instructions_with_parameters(
+        "SELECT * FROM user WHERE name=:username", dict(username=username))
+    rq.do_with_parameters()
+    result = rq.get_results()
+    return result == []
 
 
 def change_password(username, old_password, new_password):
@@ -55,16 +54,35 @@ def change_password(username, old_password, new_password):
     # 将用户名和密码一起加密，以免暴露不同用户的相同密码
     if verify_pass(new_password,old_password): #新旧密码一致
         return False
-    update_password_by_username(username, new_password)
+    password = md5(username + new_password)
+    rq = InsertQuery(path_prefix + 'static/wordfreqapp.db')
+    rq.instructions_with_parameters("UPDATE user SET password=:password WHERE name=:username", dict(
+        password=password, username=username))
+    rq.do_with_parameters()
     return True
 
 
 def get_expiry_date(username):
-    user = get_user_by_username(username)
-    if user is None:
-        return '20191024'
+    rq = RecordQuery(path_prefix + 'static/wordfreqapp.db')
+    rq.instructions_with_parameters(
+        "SELECT expiry_date FROM user WHERE name=:username", dict(username=username))
+    rq.do_with_parameters()
+    result = rq.get_results()
+    if len(result) > 0:
+        return result[0]['expiry_date']
     else:
-        return user.expiry_date
+        return '20191024'
+
+
+def md5(s):
+    '''
+    MD5摘要
+    :param str: 字符串
+    :return: 经MD5以后的字符串
+    '''
+    h = hashlib.md5(s.encode(encoding='utf-8'))
+    return h.hexdigest()
+
 
 class UserName:
     def __init__(self, username):
@@ -78,9 +96,9 @@ class UserName:
         if ' ' in self.username: # a user name must not include a whitespace
             return 'Whitespace is not allowed in the user name.'
         for c in self.username: # a user name must not include special characters, except non-leading periods or underscores
-            if c in string.punctuation and c != '.' and c != '_':
+            if c in string.punctuation and c is not '.' and c is not '_':
                 return f'{c} is not allowed in the user name.'
-        if self.username in ['signup', 'login', 'logout', 'reset', 'mark', 'back', 'unfamiliar', 'familiar', 'del', 'admin']:
+        if self.username in ['signup', 'login', 'logout', 'reset', 'mark', 'back', 'unfamiliar', 'familiar', 'del']:
             return 'You used a restricted word as your user name.  Please come up with a better one.'
 
         return 'OK'

app/account_service.py

@@ -19,15 +19,21 @@ def signup():
         # POST方法需判断是否注册成功，再根据结果返回不同的内容
         username = escape(request.form['username'])
         password = escape(request.form['password'])
+        password2 = escape(request.form['password2'])
         
         #! 添加如下代码为了过滤注册时的非法字符
         warn = WarningMessage(username)
         if str(warn) != 'OK':
-            return jsonify({'status': '3', 'warn': str(warn)})
+            return str(warn)
         
         available = check_username_availability(username)
         if not available: # 用户名不可用
-            return jsonify({'status': '0'})
+            flash('用户名 %s 已经被注册。' % (username))
+            return render_template('signup.html')
+        elif len(password.strip()) < 4: # 密码过短
+            return '密码过于简单。'
+        elif password != password2:
+            return '确认密码与输入密码不一致！'
         else: # 添加账户信息
             add_user(username, password)
             verified = verify_user(username, password)
@@ -37,10 +43,11 @@ def signup():
                 session[username] = username
                 session['username'] = username
                 session['expiry_date'] = get_expiry_date(username)
-                session['visited_articles'] = None
-                return jsonify({'status': '2'})
+                session['articleID'] = None
+                return '<p>恭喜，你已成功注册， 你的用户名是 <a href="%s">%s</a>。</p>\
+                <p><a href="/%s">开始使用</a> <a href="/">返回首页</a><p/>' % (username, username, username)
             else:
-                return jsonify({'status': '1'})
+                return '用户名密码验证失败。'
 
 
 
@@ -52,7 +59,13 @@ def login():
     '''
     if request.method == 'GET':
         # GET请求
-        return render_template('login.html')
+        if not session.get('logged_in'):
+            # 未登录，返回登录页面
+            return render_template('login.html')
+        else:
+            # 已登录，提示信息并显示登出按钮
+            return '你已登录 <a href="/%s">%s</a>。 登出点击<a href="/logout">这里</a>。' % (
+                session['username'], session['username'])
     elif request.method == 'POST':
         # POST方法用于判断登录是否成功
         # check database and verify user
@@ -66,10 +79,10 @@ def login():
             session['username'] = username
             user_expiry_date = get_expiry_date(username)
             session['expiry_date'] = user_expiry_date
-            session['visited_articles'] = None
-            return jsonify({'status': '1'})
+            session['articleID'] = None
+            return redirect(url_for('user_bp.userpage', username=username))
         else:
-            return jsonify({'status': '0'})
+            return '无法通过验证。'
 
 
 @accountService.route("/logout", methods=['GET', 'POST'])
@@ -102,9 +115,31 @@ def reset():
         # POST请求用于提交修改后信息
         old_password = escape(request.form['old-password'])
         new_password = escape(request.form['new-password'])
+
+        re_new_password = escape(request.form['re-new-password'])  # 确认新密码
+        if re_new_password != new_password: #验证新密码两次输入是否相同
+            return '新密码不匹配，请重新输入'
+        if len(new_password) < 4: #验证新密码长度，原则参照注册模块
+            return '密码过于简单。(密码长度至少4位)'
+
         flag = change_password(username, old_password, new_password) # flag表示是否修改成功
         if flag:
             session['logged_in'] = False
-            return jsonify({'status':'1'})  # 修改成功
+            return \
+'''
+<script>
+alert('密码修改成功，请重新登录。');
+window.location.href="/login";
+</script>
+
+'''
+
         else:
-            return jsonify({'status':'2'})  # 修改失败
+            return \
+'''
+<script>
+alert('密码修改失败');
+window.location.href="/reset";
+</script>
+
+'''

app/admin_service.py

@@ -1,142 +0,0 @@
-# System Library
-from flask import *
-
-# Personal library
-from Yaml import yml
-from model.user import *
-from model.article import *
-
-ADMIN_NAME = "lanhui"  # unique admin name
-_cur_page = 1  # current article page
-_page_size = 5  # article sizes per page
-adminService = Blueprint("admin_service", __name__)
-
-
-def check_is_admin():
-    # 未登录，跳转到未登录界面
-    if not session.get("logged_in"):
-        return render_template("not_login.html")
-
-    # 用户名不是admin_name
-    if session.get("username") != ADMIN_NAME:
-        return "You are not admin!"
-
-    return "pass"
-
-
-@adminService.route("/admin", methods=["GET"])
-def admin():
-    is_admin = check_is_admin()
-    if is_admin != "pass":
-        return is_admin
-
-    return render_template(
-        "admin_index.html", yml=yml, username=session.get("username")
-    )
-
-
-@adminService.route("/admin/article", methods=["GET", "POST"])
-def article():
-    global _cur_page, _page_size
-
-    is_admin = check_is_admin()
-    if is_admin != "pass":
-        return is_admin
-
-    _article_number = get_number_of_articles()
-    try:
-        _page_size = min(
-            max(1, int(request.args.get("size", 5))), _article_number
-        )  # 最小的size是1
-        _cur_page = min(
-            max(1, int(request.args.get("page", 1))), _article_number // _page_size + (_article_number % _page_size > 0)
-        )  # 最小的page是1
-    except ValueError:
-        return "page parmas must be int!"
-    
-    _articles = get_page_articles(_cur_page, _page_size)
-    for article in _articles:   # 获取每篇文章的title
-        article.title = article.text.split("\n")[0]
-        article.content = '<br/>'.join(article.text.split("\n")[1:])
-    
-    context = {
-        "article_number": _article_number,
-        "text_list": _articles,
-        "page_size": _page_size,
-        "cur_page": _cur_page,
-        "username": session.get("username"),
-    }
-
-    def _update_context():
-        article_len = get_number_of_articles()
-        context["article_number"] = article_len
-        context["text_list"] = get_page_articles(_cur_page, _page_size)
-        _articles = get_page_articles(_cur_page, _page_size)
-        for article in _articles:   # 获取每篇文章的title
-            article.title = article.text.split("\n")[0]
-        context["text_list"] = _articles
-
-    if request.method == "GET":
-        try:
-            delete_id = int(request.args.get("delete_id", 0))
-        except:
-            return "Delete article ID must be int!"
-        if delete_id:  # delete article
-            delete_article_by_id(delete_id)
-            _update_context()
-    elif request.method == "POST":
-        data = request.form
-        content = data.get("content", "")
-        source = data.get("source", "")
-        question = data.get("question", "")
-        level = data.get("level", "4")
-        if content:
-            if level not in ['1', '2', '3', '4']:
-                return "Level must be between 1 and 4."
-            add_article(content, source, level, question)
-            _update_context()
-            title = content.split('\n')[0]
-            flash(f'Article added. Title: {title}')
-    return render_template("admin_manage_article.html", **context)
-
-
-@adminService.route("/admin/user", methods=["GET", "POST"])
-def user():
-    is_admin = check_is_admin()
-    if is_admin != "pass":
-        return is_admin
-    
-    context = {
-        "user_list": get_users(),
-        "username": session.get("username"),
-    }
-    if request.method == "POST":
-        data = request.form
-        username = data.get("username","")
-        new_password = data.get("new_password", "")
-        expiry_time = data.get("expiry_time", "")
-        if username:
-            if new_password:
-                update_password_by_username(username, new_password)
-                flash(f'Password updated to {new_password}')
-            if expiry_time:
-                update_expiry_time_by_username(username, "".join(expiry_time.split("-")))
-                flash(f'Expiry date updated to {expiry_time}.')
-    return render_template("admin_manage_user.html", **context)
-
-
-@adminService.route("/admin/expiry", methods=["GET"])
-def user_expiry_time():
-    is_admin = check_is_admin()
-    if is_admin != "pass":
-        return is_admin
-
-    username = request.args.get("username", "")
-    if not username:
-        return "Username can't be empty."
-
-    user = get_user_by_username(username)
-    if not user:
-        return "User does not exist."
-
-    return user.expiry_date

app/difficulty.py

@@ -8,7 +8,6 @@
 import pickle
 import math
 from wordfreqCMD import remove_punctuation, freq, sort_in_descending_order, sort_in_ascending_order
-import snowballstemmer
 
 
 def load_record(pickle_fname):
@@ -18,50 +17,40 @@ def load_record(pickle_fname):
     return d
 
 
-def convert_test_type_to_difficulty_level(d):
-    """
-    对原本的单词库中的单词进行难度评级
-    :param d: 存储了单词库pickle文件中的单词的字典
-    :return:
-    """
-    result = {}
-    L = list(d.keys())  # in d, we have test types (e.g., CET4,CET6,BBC) for each word
+def difficulty_level_from_frequency(word, d):
+    level = 1
+    if not word in d:
+        return level
     
-    for k in L:
-        if 'CET4' in d[k]:
-            result[k] = 4  # CET4 word has level 4
-        elif 'OXFORD3000' in d[k]:
-            result[k] = 5
-        elif 'CET6' in d[k] or 'GRADUATE' in d[k]:
-            result[k] = 6
-        elif 'OXFORD5000' in d[k] or 'IELTS' in d[k]:
-            result[k] = 7
-        elif 'BBC' in d[k]:
-            result[k] = 8
+    if 'what' in d:
+        ratio = (d['what']+1)/(d[word]+1) # what is a frequent word
+        level = math.log( max(ratio, 1), 2)
 
-    return result  # {'apple': 4, ...}
+    level = min(level, 8) 
+    return level
 
 
-def get_difficulty_level_for_user(d1, d2):
-    """
-    d2 来自于词库的35511个已标记单词
-    d1 用户不会的词
-    在d2的后面添加单词，没有新建一个新的字典
-    """
-    # TODO: convert_test_type_to_difficulty_level() should not be called every time.  Each word's difficulty level should be pre-computed.
-    d2 = convert_test_type_to_difficulty_level(d2)  # 根据d2的标记评级{'apple': 4, 'abandon': 4, ...}
-    stemmer = snowballstemmer.stemmer('english')
+def get_difficulty_level(d1, d2):
+    d = {}
+    L = list(d1.keys())  # in d1, we have freuqence for each word
+    L2 = list(d2.keys()) # in d2, we have test types (e.g., CET4,CET6,BBC) for each word
+    L.extend(L2)
+    L3 = list(set(L)) # L3 contains all words
+    for k in L3:
+        if k in d2:
+            if 'CET4' in d2[k]:
+                d[k] = 4 # CET4 word has level 4
+            elif 'CET6' in d2[k]:
+                d[k] = 6
+            elif 'BBC' in d2[k]:
+                d[k] = 8
+                if k in d1: # BBC could contain easy words that are not in CET4 or CET6.  So 4 is not reasonable.  Recompute difficulty level.
+                    d[k] = min(difficulty_level_from_frequency(k, d1), d[k])
+        elif k in d1:
+            d[k] = difficulty_level_from_frequency(k, d1)
+
+    return d
 
-    for k in d1:  # 用户的词
-        if k in d2:  # 如果用户的词以原型的形式存在于词库d2中
-            continue  # 无需评级，跳过
-        else:
-            stem = stemmer.stemWord(k)
-            if stem in d2:  # 如果用户的词的词根存在于词库d2的词根库中
-                d2[k] = d2[stem]  # 按照词根进行评级
-            else:
-                d2[k] = 3  # 如果k的词根都不在，那么就当认为是3级
-    return d2
         
 
 def revert_dict(d):
@@ -73,13 +62,12 @@ def revert_dict(d):
     for k in d:
         if type(d[k]) is list:  # d[k] is a list of dates.
             lst = d[k]
-        elif type(d[
-                      k]) is int:  # for backward compatibility.  d was sth like {'word':1}.  The value d[k] is not a list of dates, but a number representing how frequent this word had been added to the new word book.
+        elif type(d[k]) is int: # for backward compatibility.  d was sth like {'word':1}.  The value d[k] is not a list of dates, but a number representing how frequent this word had been added to the new word book. 
             freq = d[k]
-            lst = freq * ['2021082019']  # why choose this date?  No particular reasons.  I fix the bug in this date.
+            lst = freq*['2021082019'] # why choose this date?  No particular reasons.  I fix the bug in this date.
 
         for time_info in lst:
-            date = time_info[:10]  # until hour
+            date = time_info[:10] # until hour
             if not date in d2:
                 d2[date] = [k]
             else:
@@ -88,44 +76,42 @@ def revert_dict(d):
 
 
 def user_difficulty_level(d_user, d):
-    d_user2 = revert_dict(d_user)  # key is date, and value is a list of words added in that date
+    d_user2 = revert_dict(d_user) # key is date, and value is a list of words added in that date
     count = 0
     geometric = 1
-    for date in sorted(d_user2.keys(),
-                       reverse=True):  # most recently added words are more important while determining user's level
-        lst = d_user2[date]  # a list of words
-        lst2 = []  # a list of tuples, (word, difficulty level)
-        for word in lst:
+    for date in sorted(d_user2.keys(), reverse=True): # most recently added words are more important while determining user's level
+        lst = d_user2[date] # a list of words
+        lst2 = [] # a list of tuples, (word, difficulty level)
+        for  word in lst:
             if word in d:
                 lst2.append((word, d[word]))
 
-        lst3 = sort_in_ascending_order(lst2)  # easiest tuple first
-        # print(lst3)
+        lst3 = sort_in_ascending_order(lst2) # easiest tuple first
+        #print(lst3)
         for t in lst3:
             word = t[0]
             hard = t[1]
-            # print('WORD %s HARD %4.2f' % (word, hard))
+            #print('WORD %s HARD %4.2f' % (word, hard))
             geometric = geometric * (hard)
             count += 1
             if count >= 10:
-                return geometric ** (1 / count)
+                return geometric**(1/count)
 
-    return geometric ** (1 / max(count, 1))
+    return geometric**(1/max(count,1))
 
 
 def text_difficulty_level(s, d):
     s = remove_punctuation(s)
     L = freq(s)
 
-    lst = []  # a list of tuples, each tuple being (word, difficulty level)
-    stop_words = {'the':1, 'and':1, 'of':1, 'to':1, 'what':1, 'in':1, 'there':1, 'when':1, 'them':1, 'would':1, 'will':1, 'out':1, 'his':1, 'mr':1, 'that':1, 'up':1, 'more':1, 'your':1, 'it':1, 'now':1, 'very':1, 'then':1, 'could':1, 'he':1, 'any':1, 'some':1, 'with':1, 'into':1, 'you':1, 'our':1, 'man':1, 'other':1, 'time':1, 'was':1, 'than':1, 'know':1, 'about':1, 'only':1, 'like':1, 'how':1, 'see':1, 'is':1, 'before':1, 'such':1, 'little':1, 'two':1, 'its':1, 'as':1, 'these':1, 'may':1, 'much':1, 'down':1, 'for':1, 'well':1, 'should':1, 'those':1, 'after':1, 'same':1, 'must':1, 'say':1, 'first':1, 'again':1, 'us':1, 'great':1, 'where':1, 'being':1, 'come':1, 'over':1, 'good':1, 'himself':1, 'am':1, 'never':1, 'on':1, 'old':1, 'here':1, 'way':1, 'at':1, 'go':1, 'upon':1, 'have':1, 'had':1, 'without':1, 'my':1, 'day':1, 'be':1, 'but':1, 'though':1, 'from':1, 'not':1, 'too':1, 'another':1, 'this':1, 'even':1, 'still':1, 'her':1, 'yet':1, 'under':1, 'by':1, 'let':1, 'just':1, 'all':1, 'because':1, 'we':1, 'always':1, 'off':1, 'yes':1, 'so':1, 'while':1, 'why':1, 'which':1, 'me':1, 'are':1, 'or':1, 'no':1, 'if':1, 'an':1, 'also':1, 'thus':1, 'who':1, 'cannot':1, 'she':1, 'whether':1} # ignore these words while computing the artile's difficulty level
+    lst = [] # a list of tuples, each tuple being (word, difficulty level)
     for x in L:
         word = x[0]
-        if word not in stop_words and word in d:
+        if word in d:
             lst.append((word, d[word]))
 
-    lst2 = sort_in_descending_order(lst)  # most difficult words on top
-    # print(lst2)
+    lst2 = sort_in_descending_order(lst) # most difficult words on top
+    #print(lst2)
     count = 0
     geometric = 1
     for t in lst2:
@@ -133,20 +119,24 @@ def text_difficulty_level(s, d):
         hard = t[1]
         geometric = geometric * (hard)
         count += 1
-        if count >= 20:  # we look for n most difficult words
-            return geometric ** (1 / count)
+        if count >= 20: # we look for n most difficult words
+            return geometric**(1/count)
+        
+    return geometric**(1/max(count,1))
 
-    return geometric ** (1 / max(count, 1))
 
 
 if __name__ == '__main__':
+
+
     d1 = load_record('frequency.p')
-    # print(d1)
+    #print(d1)
 
     d2 = load_record('words_and_tests.p')
-    # print(d2)
+    #print(d2)
 
-    d3 = get_difficulty_level_for_user(d1, d2)
+
+    d3 = get_difficulty_level(d1, d2)
 
     s = '''
 South Lawn
@@ -207,6 +197,7 @@ Amidst the aftermath of this shocking referendum vote, there is great uncertaint
 
 '''
 
+
     s = '''
 British Prime Minister Boris Johnson walks towards a voting station during the Brexit referendum in Britain, June 23, 2016. (Photo: EPA-EFE)
 
@@ -227,6 +218,7 @@ The prime minister was forced to ask for an extension to Britain's EU departure
 Johnson has repeatedly pledged to finalize the first stage, a transition deal, of Britain's EU divorce battle by Oct. 31. A second stage will involve negotiating its future relationship with the EU on trade, security and other salient issues.
 '''
 
+
     s = '''
 Thank you very much. We have a Cabinet meeting. We’ll have a few questions after grace. And, if you would, Ben, please do the honors.
 
@@ -241,11 +233,17 @@ We need — for our farmers, our manufacturers, for, frankly, unions and non-uni
 
 '''
 
-    # f = open('bbc-fulltext/bbc/entertainment/001.txt')
+
+
+
+    #f = open('bbc-fulltext/bbc/entertainment/001.txt')
     f = open('wordlist.txt')
     s = f.read()
     f.close()
 
+
+
+    
     print(text_difficulty_level(s, d3))
 
             

app/main.py

@@ -5,24 +5,24 @@
 # Copyright 2019 (C) Hui Lan <hui.lan@cantab.net>
 # Written permission must be obtained from the author for commercial uses.
 ###########################################################################
+
 from flask import escape
 from Login import *
 from Article import *
 import Yaml
 from user_service import userService
 from account_service import accountService
-from admin_service import adminService, ADMIN_NAME
 app = Flask(__name__)
 app.secret_key = 'lunch.time!'
 
 # 将蓝图注册到Lab app
 app.register_blueprint(userService)
 app.register_blueprint(accountService)
-app.register_blueprint(adminService)
 
 path_prefix = '/var/www/wordfreq/wordfreq/'
 path_prefix = './'  # comment this line in deployment
 
+
 def get_random_image(path):
     '''
     返回随机图
@@ -39,7 +39,8 @@ def get_random_ads():
     返回随机广告
     :return: 一个广告(包含HTML标签)
     '''
-    return random.choice(['个性化分析精准提升', '你的专有单词本', '智能捕捉阅读弱点，针对性提高你的阅读水平'])
+    ads = random.choice(['个性化分析精准提升', '你的专有单词本', '智能捕捉阅读弱点，针对性提高你的阅读水平'])
+    return ads + '。 <a href="/signup">试试</a>吧！'
 
 
 def appears_in_test(word, d):
@@ -97,13 +98,9 @@ def mainpage():
         d = load_freq_history(path_prefix + 'static/frequency/frequency.p')
         d_len = len(d)
         lst = sort_in_descending_order(pickle_idea.dict2lst(d))
-        return render_template('mainpage_get.html', 
-                               admin_name=ADMIN_NAME,
-                               random_ads=random_ads,
-                               d_len=d_len,
-                               lst=lst,
-                               yml=Yaml.yml,
-                               number_of_essays=number_of_essays)
+        return render_template('mainpage_get.html', random_ads=random_ads, number_of_essays=number_of_essays,
+                               d_len=d_len, lst=lst, yml=Yaml.yml)
+
 
 
 if __name__ == '__main__':

app/model/__init__.py

@@ -1,30 +0,0 @@
-from pony.orm import *
-
-db = Database()
-db.bind("sqlite", "../static/wordfreqapp.db", create_db=True)  # bind sqlite file
-
-
-class User(db.Entity):
-    _table_ = "user"  # table name
-    name = PrimaryKey(str)
-    password = Optional(str)
-    start_date = Optional(str)
-    expiry_date = Optional(str)
-
-
-class Article(db.Entity):
-    _table_ = "article"  # table name
-    article_id = PrimaryKey(int, auto=True)
-    text = Optional(str)
-    source = Optional(str)
-    date = Optional(str)
-    level = Optional(str)
-    question = Optional(str)
-
-
-db.generate_mapping(create_tables=True)  # must mapping after class declaration
-
-
-if __name__ == "__main__":
-    with db_session:
-        print(Article[2].text)  # test get article which id=2 text content

app/model/article.py

@@ -1,34 +0,0 @@
-from model import *
-from datetime import datetime
-
-def add_article(content, source="manual_input", level="5", question="No question"):
-    with db_session:
-        # add one article to sqlite
-        Article(
-            text=content,
-            source=source,
-            date=datetime.now().strftime("%-d %b %Y"),  # format style of `5 Oct 2022`
-            level=level,
-            question=question,
-        )
-
-
-def delete_article_by_id(article_id):
-    article_id &= 0xFFFFFFFF  # max 32 bits
-    with db_session:
-        article = Article.select(article_id=article_id)
-        if article:
-            article.first().delete()
-
-
-def get_number_of_articles():
-    with db_session:
-        return len(Article.select()[:])
-
-
-def get_page_articles(num, size):
-    with db_session:
-        return [
-            x
-            for x in Article.select().order_by(desc(Article.article_id)).page(num, size)
-        ]

app/model/user.py

@@ -1,30 +0,0 @@
-from model import *
-from Login import md5
-from pony import orm
-
-def get_users():
-    with db_session:
-        return User.select().order_by(User.name)[:]
-
-def get_user_by_username(username):
-    with db_session:
-        user = User.select(name=username)
-        if user:
-            return user.first()
-
-def insert_user(username, password, start_date, expiry_date):
-    with db_session:
-        user = User(name=username, password=password, start_date=start_date, expiry_date=expiry_date)
-        orm.commit()
-
-def update_password_by_username(username, password="123456"):
-    with db_session:
-        user = User.select(name=username)
-        if user:
-            user.first().password = md5(username + password)
-
-def update_expiry_time_by_username(username, expiry_time="20230323"):
-    with db_session:
-        user = User.select(name=username)
-        if user:
-            user.first().expiry_date = expiry_time

app/pickle_idea2.py

@@ -68,7 +68,7 @@ def save_frequency_to_pickle(d, pickle_fname):
     d2 = {}
     for k in d:
         if not k in exclusion_lst and not k.isnumeric() and not len(k) < 2:
-            d2[k] = list(sorted(d[k])) # 原先这里是d2[k] = list(sorted(set(d[k])))
+            d2[k] = list(sorted(set(d[k])))
     pickle.dump(d2, f)
     f.close()
 

app/static/config.yml

@@ -1,17 +1,16 @@
 # 全局引入的css文件地址
 css:
   item:
-    - ../static/css/bootstrap.css
+    - static/css/bootstrap.css
 
 # 全局引入的js文件地址
 js:
   head: # 在页面加载之前加载
-    - ../static/js/jquery.js
-    - ../static/js/read.js
-    - ../static/js/word_operation.js
+    - static/js/jquery.js
+    - static/js/word_operation.js
   bottom: # 在页面加载完之后加载
-    - ../static/js/fillword.js
-    - ../static/js/highlight.js
+    - static/js/fillword.js
+    - static/js/highlight.js
 
 # 高亮样式，目前仅支持修改颜色
 highlight:

app/static/js/fillword.js

@@ -1,5 +1,9 @@
 let isRead = true;
 let isChoose = true;
+let reader = window.speechSynthesis; // 全局定义朗读者，以便朗读和暂停
+let current_position = 0; // 朗读文本的当前位置
+let original_position = 0; // 朗读文本的初始位置
+let to_speak = ""; // 朗读的初始内容
 
 function getWord() {
     return window.getSelection ? window.getSelection() : document.selection.createRange().text;
@@ -7,7 +11,7 @@ function getWord() {
 
 function fillInWord() {
     let word = getWord();
-    if (isRead) Reader.read(word, inputSlider.value);
+    if (isRead) read(word);
     if (!isChoose) return;
     const element = document.getElementById("selected-words");
     element.value = element.value + " " + word;
@@ -15,17 +19,50 @@ function fillInWord() {
 
 document.getElementById("text-content").addEventListener("click", fillInWord, false);
 
-const sliderValue = document.getElementById("rangeValue");
-const inputSlider = document.getElementById("rangeComponent");
+function makeUtterance(str, rate) {
+    let msg = new SpeechSynthesisUtterance(str);
+    msg.rate = rate;
+    msg.lang = "en-US"; // TODO: add language options menu
+    msg.onboundary = ev => {
+        if (ev.name == "word") {
+            current_position = ev.charIndex;
+        }
+    }
+    return msg;
+}
+
+const sliderValue = document.getElementById("rangeValue"); // 显示值
+const inputSlider = document.getElementById("rangeComponent"); // 滑块元素
 inputSlider.oninput = () => {
-    let value = inputSlider.value;
+    let value = inputSlider.value; // 获取滑块的值
     sliderValue.textContent = value + '×';
+    if (!reader.speaking) return;
+    reader.cancel();
+    let msg = makeUtterance(to_speak.substring(original_position + current_position), value);
+    original_position = original_position + current_position;
+    current_position = 0;
+    reader.speak(msg);
 };
 
+function read(s) {
+    to_speak = s.toString();
+    original_position = 0;
+    current_position = 0;
+    let msg = makeUtterance(to_speak, inputSlider.value);
+    reader.speak(msg);
+}
+
 function onReadClick() {
     isRead = !isRead;
+    if (!isRead) {
+        reader.cancel();
+    }
 }
 
 function onChooseClick() {
     isChoose = !isChoose;
 }
+
+function stopRead() {
+    reader.cancel();
+}

app/static/js/highlight.js

@@ -38,18 +38,8 @@ function highLight() {
         list[i] = list[i].replace('|', "");
         list[i] = list[i].replace('?', "");
         if (list[i] !== "" && "<mark>".indexOf(list[i]) === -1 && "</mark>".indexOf(list[i]) === -1) {
-           //将文章中所有出现该单词word的地方改为："<mark>" + word + "<mark>"。 正则表达式RegExp()中，"\\b"代表单词边界匹配。
-
-            //修改代码
-            let articleContent_fb = articleContent;  //文章副本
-            while(articleContent_fb.toLowerCase().indexOf(list[i].toLowerCase()) !== -1 && list[i]!=""){
-                //找到副本中和list[i]匹配的第一个单词(第一种匹配情况),并赋值给list[i]。
-                const index = articleContent_fb.toLowerCase().indexOf(list[i].toLowerCase());
-                list[i] = articleContent_fb.substring(index, index + list[i].length);
-
-                articleContent_fb = articleContent_fb.substring(index + list[i].length);    // 使用副本中list[i]之后的子串替换掉副本
-                articleContent = articleContent.replace(new RegExp("\\b"+list[i]+"\\b","g"),"<mark>" + list[i] + "</mark>");
-            }
+	    //将文章中所有出现该单词word的地方改为：" <mark>" + word + "<mark> "。 正则表达式RegExp()中，"\\s"代表单词前后必须要有空格，以防止只对单词中的部分字符高亮的情况出现。
+            articleContent = articleContent.replace(new RegExp("\\s"+list[i]+"\\s", "g"), " <mark>" + list[i] + "</mark> ");
         }
     }
     document.getElementById("article").innerHTML = articleContent;

app/static/js/read.js

@@ -1,35 +0,0 @@
-var Reader = (function() {
-    let reader = window.speechSynthesis;
-    let current_position = 0;
-    let original_position = 0;
-    let to_speak = "";
-
-    function makeUtterance(str, rate) {
-        let msg = new SpeechSynthesisUtterance(str);
-        msg.rate = rate;
-        msg.lang = "en-US";
-        msg.onboundary = ev => {
-            if (ev.name == "word") {
-                current_position = ev.charIndex;
-            }
-        }
-        return msg;
-    }
-
-    function read(s, rate) {
-        to_speak = s.toString();
-        original_position = 0;
-        current_position = 0;
-        let msg = makeUtterance(to_speak, rate);
-        reader.speak(msg);
-    }
-
-    function stopRead() {
-        reader.cancel();
-    }
-
-    return {
-        read: read,
-        stopRead: stopRead
-    };
-})();

app/static/js/word_operation.js

@@ -62,13 +62,6 @@ function delete_word(theWord) {
     });
 }
 
-function read_word(theWord) {
-    let to_speak = $("#word_" + theWord).text();
-    original_position = 0;
-    current_position = 0;
-    Reader.read(to_speak, inputSlider.value);
-}
-
 /* 
  * interface Word {
  *   word: string,
@@ -102,7 +95,6 @@ function wordTemplate(word) {
         <a class="btn btn-success" onclick="familiar('${word.word}')" role="button">熟悉</a>
         <a class="btn btn-warning" onclick="unfamiliar('${word.word}')" role="button">不熟悉</a>
         <a class="btn btn-danger" onclick="delete_word('${word.word}')" role="button">删除</a>
-        <a class="btn btn-info" onclick="read_word('${word.word}')" role="button">朗读</a>
     </p>`;
 }
 

app/templates/admin_index.html

@@ -1,55 +0,0 @@
-<!DOCTYPE html>
-<html lang="en">
-
-<head>
-    <meta charset="UTF-8">
-    <meta name="viewport"
-        content="width=device-width, initial-scale=1.0, minimum-scale=0.5, maximum-scale=3.0, user-scalable=yes" />
-    <meta name="format-detection" content="telephone=no" />
-    {{ yml['header'] | safe }}
-    {% if yml['css']['item'] %}
-    {% for css in yml['css']['item'] %}
-    <link href="{{ css }}" rel="stylesheet">
-    {% endfor %}
-    {% endif %}
-    {% if yml['js']['head'] %}
-    {% for js in yml['js']['head'] %}
-    <script src="{{ js }}"></script>
-    {% endfor %}
-    {% endif %}
-
-</head>
-
-<body class="container" style="width: 800px; margin: auto; margin-top:24px;">
-    <nav class="navbar navbar-expand-lg bg-light">
-        <div class="container-fluid">
-            <button class="navbar-toggler" type="button" data-bs-toggle="collapse" data-bs-target="#navbarNav"
-                aria-controls="navbarNav" aria-expanded="false" aria-label="Toggle navigation">
-                <span class="navbar-toggler-icon"></span>
-            </button>
-            <div class="collapse navbar-collapse" id="navbarNav">
-                <ul class="navbar-nav">
-                    <li class="nav-item">
-                        <a class="nav-link" href="/{{ username }}/userpage">返回 {{ username }}</a>
-                    </li>
-                </ul>
-            </div>
-        </div>
-    </nav>
-
-    <div class="card" style="margin-top:24px;">
-        <div class="card-header">
-            请选择您需要的操作
-        </div>
-        <ul class="list-group list-group-flush">
-            <li class="list-group-item">
-                <div class="d-grid gap-2">
-                    <a href="/admin/article" class="btn btn-outline-primary" type="button">管理文章</a>
-                    <a href="/admin/user" class="btn btn-outline-primary" type="button">管理用户</a>
-                </div>
-            </li>
-        </ul>
-    </div>
-</body>
-
-</html>

app/templates/admin_manage_article.html

@@ -1,103 +0,0 @@
-<!DOCTYPE html>
-<html lang="en">
-
-<head>
-    <meta charset="UTF-8">
-    <meta name="viewport"
-        content="width=device-width, initial-scale=1.0, minimum-scale=0.5, maximum-scale=3.0, user-scalable=yes" />
-    <meta name="format-detection" content="telephone=no" />
-    <link href="../static/css/bootstrap.css" rel="stylesheet">
-</head>
-
-<body class="container" style="width: 800px; margin: auto; margin-top:24px;">
-    <nav class="navbar navbar-expand-lg bg-light">
-        <div class="container-fluid">
-            <button class="navbar-toggler" type="button" data-bs-toggle="collapse" data-bs-target="#navbarNav"
-                aria-controls="navbarNav" aria-expanded="false" aria-label="Toggle navigation">
-                <span class="navbar-toggler-icon"></span>
-            </button>
-            <div class="collapse navbar-collapse" id="navbarNav">
-                <ul class="navbar-nav">
-                    <li class="nav-item">
-                        <a class="nav-link" href="/admin">前一页</a>
-                    </li>
-                </ul>
-            </div>
-        </div>
-    </nav>
-
-    {% for message in get_flashed_messages() %}
-      <div class="alert alert-success" role="alert">
-        {{ message }}
-      </div>
-    {% endfor %}
-
-    <div class="card" style="margin-top:24px;">
-        {% if tips %}
-        <div class="alert alert-success" role="alert">
-            {{ tips }}
-        </div>
-        {% endif %}
-        <div class="card-content">
-            <h5 style="margin-top: 10px;padding-left: 10px;">录入文章</h5>
-            <form action="" method="post" class="container mb-3">
-                <div class="mb-3">
-                    <label class="form-label">文章内容</label>
-                    <textarea id="content" name="content" class="form-control" rows="8" placeholder="首行是标题，后面是正文。"></textarea>
-                    <label class="form-label">文章来源</label>
-                    <textarea id="source" name="source" class="form-control" placeholder="推荐格式：Source: HTTP 链接。"></textarea>
-                    <label class="form-label">文章等级</label>
-                    <select id="level" class="form-select" name="level">
-                        <option value="1">1</option>
-                        <option value="2">2</option>
-                        <option value="3">3</option>
-                        <option selected value="4">4</option>
-                    </select>
-                    <label class="form-label">文章问题</label>
-                    <textarea id="question" name="question" class="form-control" rows="6" placeholder="格式：&#x0a; QUESTION&#x0a; What?&#x0a;&#x0a; ANSWER&#x0a; Apple. "></textarea>
-                </div>
-                <input type="submit" value="保存" class="btn btn-outline-primary">
-            </form>
-        </div>
-    </div>
-
-    <div class="card" style="margin-top:24px;">
-        <h5 style="margin-top: 10px;padding-left: 10px;">文章列表</h5>
-        <div class="list-group">
-            {% for text in text_list %}
-            <div class="list-group-item list-group-item-action" aria-current="true">
-                <div>
-                    <a type="button" href="/admin/article?delete_id={{text.article_id}}" class="btn btn-outline-danger btn-sm">删除</a>
-                </div>
-                <div class="d-flex w-100 justify-content-between">
-                    <h5 class="mb-1">{{ text.title }}</h5>
-                </div>
-                <div><small>{{ text.source }}</small></div>
-                <div class="d-flex w-100 justify-content-between">
-                    <small>Level: {{text.level }}</small>
-                    <small>Date: {{ text.date }}</small>
-                </div>
-                {{ text.content | safe }}
-            </div>
-            {% endfor %}
-        </div>
-    </div>
-    <div style="margin:20px 0;">
-        <ul class="pagination pagination-sm justify-content-center">
-            <li class="page-item"><a class="page-link" href="/admin/article?page={{ cur_page - 1 }}&size={{ page_size }}">Previous</a>
-            </li>
-            {% for i in range(1, article_number // page_size + (article_number % page_size > 0) + 1) %}
-            {% if cur_page == i %}
-            <li class="page-item active"><a class="page-link" href="/admin/article?page={{ i }}&size={{ page_size }}">{{ i }}</a>
-            </li>
-            {% else %}
-            <li class="page-item"><a class="page-link" href="/admin/article?page={{ i }}&size={{ page_size }}">{{ i }}</a></li>
-            {% endif %}
-            {% endfor %}
-            <li class="page-item"><a class="page-link" href="/admin/article?page={{ cur_page + 1 }}&size={{ page_size }}">Next</a>
-            </li>
-        </ul>
-    </div>
-</body>
-
-</html>

app/templates/admin_manage_user.html

@@ -1,99 +0,0 @@
-<!DOCTYPE html>
-<html lang="en">
-
-<head>
-    <meta charset="UTF-8">
-    <meta name="viewport"
-        content="width=device-width, initial-scale=1.0, minimum-scale=0.5, maximum-scale=3.0, user-scalable=yes" />
-    <meta name="format-detection" content="telephone=no" />
-    <link href="../static/css/bootstrap.css" rel="stylesheet">
-    <script src="../static/js/jquery.js"></script>
-</head>
-
-<body class="container" style="width: 800px; margin: auto; margin-top:24px;">
-    <nav class="navbar navbar-expand-lg bg-light">
-        <div class="container-fluid">
-            <button class="navbar-toggler" type="button" data-bs-toggle="collapse" data-bs-target="#navbarNav"
-                aria-controls="navbarNav" aria-expanded="false" aria-label="Toggle navigation">
-                <span class="navbar-toggler-icon"></span>
-            </button>
-            <div class="collapse navbar-collapse" id="navbarNav">
-                <ul class="navbar-nav">
-                    <li class="nav-item">
-                        <a class="nav-link" href="/admin">前一页</a>
-                    </li>
-                </ul>
-            </div>
-        </div>
-    </nav>
-
-    {% for message in get_flashed_messages() %}
-      <div class="alert alert-success" role="alert">
-        {{ message }}
-      </div>
-    {% endfor %}
-
-    <div class="card" style="margin-top:24px;">
-        <h5 style="margin-top: 10px;padding-left: 10px;">重置选中用户的信息</h5>
-        <form id="user_form" action="" method="post" class="container mb-3">
-            <div>
-                <label class="form-label" style="padding-top: 10px;">用户</label>
-                <select onchange="loadUserExpiryDate()" id="username" name="username" class="form-select" aria-label="Default select example">
-                    <option selected>选择用户</option>
-                    {% for user in user_list %}
-                    <option value="{{ user.name }}">{{ user.name }}</option>
-                    {% endfor %}
-                </select>
-
-                <label class="form-label" style="padding-top: 10px;">修改密码</label>
-                <div>
-                    <button type="button" id="reset_pwd_btn" class="btn btn-outline-success">获取12位随机密码</button>
-                    <input style="margin-left: 20px;border: 0; font-size: 20px;" name="new_password"
-                        id="new_password"></input>
-                </div>
-
-                <label class="form-label" style="padding-top: 10px;">过期时间</label>
-                <div>
-                    <input type="date" id="expiry_date" name="expiry_time" placeholder="YYYY-MM-DD" pattern="yyyyMMdd">
-                </div>
-
-            </div>
-
-            <button style="margin-top: 50px;" type="submit" class="btn btn-primary">更新用户信息</button>
-        </form>
-    </div>
-</body>
-
-
-<script>
-    // 密码生成器
-    function generatePassword(length) {
-        const charset = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789!@#$%^*()_+~`|}{[]\:;?,./-=";
-        let password = "";
-        for (let i = 0; i < length; i++) {
-            password += charset.charAt(Math.floor(Math.random() * charset.length));
-        }
-        return password;
-    }
-    document.getElementById("reset_pwd_btn").addEventListener("click", () => {
-        // 生成12位随机密码
-        let pwd = generatePassword(12)
-        document.getElementById("new_password").value = pwd
-    })
-    // 选择用户后更新其过期时间
-    function loadUserExpiryDate() {
-        const cur_user = $('#username').val();
-        $.ajax({
-            type: "GET",
-            url: `/admin/expiry?username=${cur_user}`,
-            success: function(resp) {
-                const year = resp.substr(0,4);
-                const month = resp.substr(4,2);
-                const day = resp.substr(6,2);
-                document.getElementById("expiry_date").value = year + '-' + month + '-' + day
-            }
-        })
-    }
-</script>
-
-</html>

app/templates/login.html

@@ -1,47 +1,28 @@
 {% block body %}
 {% if session['logged_in'] %}
 
-你已登录 <a href="/{{ session['username'] }}">{{ session['username'] }}</a>。 登出点击<a href="/logout">这里</a>。
+You're logged in already!
 
 {% else %}
 <meta charset="utf-8" name="viewport" content="width=device-width, initial-scale=1.0, minimum-scale=0.5, maximum-scale=3.0, user-scalable=yes" />
 <link rel="stylesheet" href="static/css/login_service.css">
-<script src="static/js/jquery.js"></script>
-<script>
-    function login(){
-        let username = $("#username").val();
-        let password = $("#password").val();
-        if (username === "" || password === ""){
-            alert('输入不能为空!');
-            return false;
-        }
-        $.post(
-            "/login", {'username': username, 'password': password},
-            function (response) {
-                if (response.status === '0') {
-                    alert('无法通过验证。');
-                    window.location.href = "/login";
-                } else if (response.status === '1') {
-                    window.location.href = "/"+username+"/userpage";
-                }
-            }
-        )
-        return false;
-    }
-</script>
+
 <div class="container">
 
   <section class="signin-heading">
     <h1>Sign In</h1>
   </section>
 
-  <input type="text" placeholder="用户名" class="username" id="username">
-  <input type="password" placeholder="密码" class="password"  id="password">
-  <button type="button" class="btn" onclick="login()">登录</button>
-  <a class="signup" href="/signup">注册</a>
+  <form action="/login" method="POST">
+    <input type="text" placeholder="用户名" class="username" name="username" required>
+    <input type="password" placeholder="密码" class="password"  name="password" required>
+    <button type="submit" class="btn">登录</button>
+  </form>
 
 </div>
 
+<a href="/signup" class="signup">注册</a>
+
 {% endif %}
 {% endblock %}
 

app/templates/mainpage_get.html

@@ -23,15 +23,12 @@
     <div class="container-fluid">
         <p><b><font size="+3" color="red">English Pal - Learn English smartly!</font></b></p>
         {% if session['logged_in'] %}
-            <a href="/{{ session['username'] }}/userpage">{{ session['username'] }}</a>
-            {% if session['username'] == admin_name %}
-            <a href="/admin">管理</a></p>
-            {% endif %}
+            <a href="/{{session['username']}}">{{session['username']}}</a></p>
         {% else %}
             <p><a href="/login">登录</a>  <a href="/signup">注册</a> <a href="/static/usr/instructions.html">使用说明</a></p >
-            <p><b> {{ random_ads }}。 <a href="/signup">试试</a>吧！</b></p>
+            <p><b>{{random_ads|safe}}</b></p>
         {% endif %}
-        <div class="alert alert-success" role="alert">共有文章 <span class="badge bg-success"> {{ number_of_essays }} </span> 篇</div>
+        <div class="alert alert-success" role="alert">共有文章 <span class="badge bg-success"> {{number_of_essays}} </span> 篇</div>
         <p>粘贴1篇文章 (English only)</p>
         <form method="post" action="/">
             <textarea name="content" rows="10" cols="120"></textarea><br/>

app/templates/reset.html

@@ -2,38 +2,6 @@
     <meta charset="utf-8" name="viewport"
           content="width=device-width, initial-scale=1.0, minimum-scale=0.5, maximum-scale=3.0, user-scalable=yes"/>
     <link rel="stylesheet" href="static/css/login_service.css">
-    <script src="static/js/jquery.js"></script>
-    <script>
-        function reset() {
-            let old_password = $("#old-password").val();
-            let new_password = $("#new-password").val();
-            let re_new_password = $("#re-new-password").val();
-            if (old_password === "" || new_password === "" || re_new_password === ""){
-                alert('输入不能为空!');
-                return false;
-            }
-            if (new_password !== re_new_password) {
-                alert('新密码不匹配，请重新输入');
-                return false;
-            }
-            if (new_password.length < 4) {
-                alert('密码过于简单。(密码长度至少4位)');
-                return false;
-            }
-            $.post("/reset", {'old-password': old_password, 'new-password': new_password},
-                function (response) {
-                    if (response.status === '1') {
-                        alert('密码修改成功，请重新登录。');
-                        window.location.href = "/login";
-                    } else if (response.status === '2') {
-                        alert('密码修改失败');
-                        window.location.href = "/reset";
-                    }
-                }
-            )
-            return false;
-        }
-    </script>
 
     <div class="container">
 
@@ -41,11 +9,14 @@
             <h1>Reset Password</h1>
         </section>
 
-        <input type="password" placeholder="原密码" class="old-password" name="old-password" id="old-password"/>
-        <input type="password" placeholder="新密码" class="new-password" name="new-password" id="new-password"/>
-        <input type="password" placeholder="确认新密码" class="re-new-password" name="re-new-password" id="re-new-password"/>
-        <button id="submit" class="btn" onclick="reset()">提交</button>
-        <button class="btn" onclick="window.location.href='/{{ username }}/userpage'">放弃修改</button>
+        <form action="/reset" method="POST">
+            <input type="password" placeholder="原密码" class="old-password" name="old-password" required>
+            <input type="password" placeholder="新密码" class="new-password" name="new-password" required>
+            <input type="password" placeholder="确认新密码" class="re-new-password" name="re-new-password" required>
+            <input type="submit" name="submit" class="btn" value="提交"/>
+            <input type="button" name="submit" class="btn" value="放弃修改"
+                   onclick="window.location.href='/{{ username }}'"/>
+        </form>
 
     </div>
 {% endblock %}

app/templates/signup.html

@@ -6,47 +6,6 @@ You're logged in already! <a href="/logout">Logout</a>.
 {% else %}
 <meta name="viewport" content="width=device-width, initial-scale=1.0, minimum-scale=0.5, maximum-scale=3.0, user-scalable=yes" />
 <link rel="stylesheet" href="static/css/login_service.css">
-<script src="static/js/jquery.js"></script>
-    <script>
-        function signup() {
-            let username = $("#username").val();
-            let password = $("#password").val();
-            let password2 = $("#password2").val();
-            if (username === "" || password === "" || password2 === ""){
-                alert('输入不能为空!');
-                return false;
-            }
-            if (password !== password2) {
-                alert('确认密码与输入密码不一致！');
-                return false;
-            }
-            if (password.length < 4) {
-                alert('密码过于简单。(密码长度至少4位)');
-                return false;
-            }
-            $.post("/signup", {'username': username, 'password': password},
-                function (response) {
-                    if (response.status === '0') {
-                        alert('用户名'+username+'已经被注册。');
-                        window.location.href = "/signup";
-                    } else if (response.status === '1') {
-                        alert('用户名密码验证失败。');
-                        window.location.href = "/signup";
-                    } else if (response.status === '2') {
-                        let f = confirm("恭喜，你已成功注册，你的用户名是"+username+'.\n点击“确认”开始使用，或点击“取消”返回首页');
-                        if (f) {
-                            window.location.href = '/'+username+'/userpage';
-                        } else {
-                            window.location.href = '/';
-                        }
-                    } else if (response.status === '3') {
-                        alert(response.warn);
-                    }
-                }
-            )
-            return false;
-        }
-    </script>
 <p>{{ get_flashed_messages()[0] | safe }}</p>
 
 
@@ -56,10 +15,12 @@ You're logged in already! <a href="/logout">Logout</a>.
     <h1>Sign Up</h1>
   </section>
 
-  <p><input type="username" id="username" placeholder="输入用户名" class="username"></p>
-  <p><input type="password" id="password" placeholder="输入密码" class="password"></p>
-  <p><input type="password" id="password2" placeholder="确认密码" class="password" ></p>
-  <button type="button" class="btn" onclick="signup()">注册</button>
+  <form action="/signup" method="POST">
+    <p><input type="username" name="username" placeholder="输入用户名" required="required" class="username"></p>
+    <p><input type="password" name="password" placeholder="输入密码" required="required" class="password"></p>
+    <p><input type="password" name="password2" placeholder="确认密码" required="required" class="password" ></p>
+    <button type="submit" class="btn">注册</button>
+  </form>
 
 </div>
   

app/templates/userpage_get.html

@@ -5,8 +5,6 @@
     <meta name="viewport"
           content="width=device-width, initial-scale=1.0, minimum-scale=0.5, maximum-scale=3.0, user-scalable=yes"/>
     <meta name="format-detection" content="telephone=no"/>
-    <link href="https://cdn.jsdelivr.net/npm/bootstrap@5.3.1/dist/css/bootstrap.min.css" rel="stylesheet">
-    <script src="https://cdn.jsdelivr.net/npm/bootstrap@5.3.1/dist/js/bootstrap.bundle.min.js"></script>
 
     {{ yml['header'] | safe }}
     {% if yml['css']['item'] %}
@@ -28,124 +26,48 @@
         }
 
         @keyframes shakes {
-            10%, 90% {
-                transform: translate3d(-1px, 0, 0);
-            }
-            20%, 50% {
-                transform: translate3d(+2px, 0, 0);
-            }
-            30%, 70% {
-                transform: translate3d(-4px, 0, 0);
-            }
-            40%, 60% {
-                transform: translate3d(+4px, 0, 0);
-            }
-            50% {
-                transform: translate3d(-4px, 0, 0);
-            }
+            10%, 90% { transform: translate3d(-1px, 0, 0); }
+            20%, 50% { transform: translate3d(+2px, 0, 0); }
+            30%, 70% { transform: translate3d(-4px, 0, 0); }
+            40%, 60% { transform: translate3d(+4px, 0, 0); }
+            50% { transform: translate3d(-4px, 0, 0); }
         }
-
-        .lead {
-            font-size: 22px;
-            font-family: Helvetica, sans-serif;
-            white-space: pre-wrap;
-        }
-
-        .arrow {
-            padding: 0;
-            font-size: 20px;
-            line-height: 21px;
-            display: inline-block;
-        }
-
-        .arrow:hover {
-            cursor: pointer;
-        }
-
     </style>
 </head>
 <body>
 <div class="container-fluid">
     <p><b>English Pal for <font id="username" color="red">{{ username }}</font></b>
-
-        {% if username ==  admin_name %}
-            <a class="btn btn-secondary" href="/admin" role="button" onclick="stopRead()">管理</a>
-        {% endif %}
-        <a id="quit" class="btn btn-secondary" href="/logout" role="button" onclick="stopRead()">退出</a>
-        <a class="btn btn-secondary" href="/reset" role="button" onclick="stopRead()">重设密码</a>
-
+        <a class="btn btn-secondary" href="/logout" role="button">退出</a>
+        <a class="btn btn-secondary" href="/reset" role="button">重设密码</a>
     </p>
-    {% for message in get_flashed_messages() %}
-        <div class="alert alert-warning alert-dismissible fade show" role="alert">
-            {{ message }}
-            <button type="button" class="btn-close" data-bs-dismiss="alert" aria-label="Close"></button>
-        </div>
-    {% endfor %}
+    {{ flashed_messages|safe }}
 
-    <button class="arrow" id="load_next_article" onclick="load_next_article();Reader.stopRead()"
-            title="下一篇 Next Article">⇨
-    </button>
-    <button class="arrow" id="load_pre_article" onclick="load_pre_article();Reader.stopRead()" style="display: none"
-            title="上一篇 Previous Article">⇦
-    </button>
+    <a class="btn btn-success" href="/{{ username }}/reset" role="button"> 下一篇 Next Article </a>    
+    {% if session.get('articleID') != session.get('old_articleID') %}
+        {% if session.get('old_articleID') != None %}
+            <a class="btn btn-success" href="/{{ username }}/back" role="button"> 上一篇 Previous Article </a>
+        {% endif%}
+    {% endif %}
 
     <p><b>阅读文章并回答问题</b></p>
-    <div id="text-content">
-        <div id="found">
-            <div class="alert alert-success" role="alert">According to your word list, your level is <span
-                    class="text-decoration-underline" id="user_level">{{ today_article["user_level"] }}</span> and we
-                have chosen an article with a difficulty level of <span class="text-decoration-underline"
-                                                                        id="text_level">{{ today_article["text_level"] }}</span>
-                for you.
-            </div>
-            <p class="text-muted" id="date">Article added on: {{ today_article["date"] }}</p><br/>
-            <div class="p-3 mb-2 bg-light text-dark" style="margin: 0 0.5%;"><br/>
-                <p class="display-6" id="article_title">{{ today_article["article_title"] }}</p><br/>
-                <p class="lead"><font id="article">{{ today_article["article_body"] }}</font></p><br/>
-                <div>
-                    <p><small class="text-muted" id="source">{{ today_article['source'] }}</small></p><br/>
-                </div>
+    <div id="text-content">{{ today_article|safe }}</div>
 
-                <p><b id="question">{{ today_article['question'] }}</b></p><br/>
-                <script type="text/javascript">
-                    function toggle_visibility(id) { {# https://css-tricks.com/snippets/javascript/showhide-element/#}
-                        const e = document.getElementById(id);
-                        if (e.style.display === 'block')
-                            e.style.display = 'none';
-                        else
-                            e.style.display = 'block';
-                    }
-                </script>
-                <button onclick="toggle_visibility('answer');">ANSWER</button>
-                <div id="answer" style="display:none;">{{ today_article['answer'] }}</div>
-                <br/>
-            </div>
-        </div>
-        <div class="alert alert-success" role="alert" id="not_found" style="display:none;">
-            <p class="text-muted"><span class="badge bg-success">Notes:</span><br>No article is currently available for
-                you. You can try again a few times or mark new words in the passage to improve your level.</p>
-        </div>
-        <div class="alert alert-success" role="alert" id="read_all" style="display:none;">
-            <p class="text-muted"><span class="badge bg-success">Notes:</span><br>You've read all the articles.</p>
-        </div>
-    </div>
-
-    <input type="checkbox" id="highlightCheckbox" onclick="toggleHighlighting()"/>生词高亮
-    <input type="checkbox" id="readCheckbox" onclick="onReadClick()"/>大声朗读
-    <input type="checkbox" id="chooseCheckbox" onclick="onChooseClick()"/>划词入库
+    <input type="checkbox" onclick="toggleHighlighting()" checked/>生词高亮
+    <input type="checkbox" onclick="onReadClick()" checked/>大声朗读
+    <input type="checkbox" onclick="onChooseClick()" checked/>划词入库
     <div class="range">
         <div class="field">
             <div class="sliderValue">
                 <span id="rangeValue">1×</span>
             </div>
-            <input type="range" id="rangeComponent" min="0.5" max="2" value="1" step="0.25"/>
+        <input type="range" id="rangeComponent" min="0.5" max="2" value="1" step="0.25" "/>
         </div>
     </div>    
     <p><b>收集生词吧</b> （可以在正文中划词，也可以复制黏贴）</p>
-    <form method="post" action="/{{ username }}/userpage">
+    <form method="post" action="/{{ username }}">
         <textarea name="content" id="selected-words" rows="10" cols="120"></textarea><br/>
-        <button class="btn btn-primary btn-lg" type="submit" onclick="Reader.stopRead()">把生词加入我的生词库</button>
-        <button class="btn btn-primary btn-lg" type="reset" onclick="clearSelectedWords()">清除</button>
+        <input type="submit" value="把生词加入我的生词库"/>
+        <input type="reset" value="清除"/>
     </form>
     {% if session.get['thisWord'] %}
         <script type="text/javascript">
@@ -173,15 +95,13 @@
                 {% set freq = x[1] %}
                 {% if session.get('thisWord') == x[0] and session.get('time') == 1 %}
                 {% endif %}
-                <p id='p_{{ word }}' class="new-word">
-                    <a id="word_{{ word }}" class="btn btn-light"
-                       href='http://youdao.com/w/eng/{{ word }}/#keyfrom=dict2.index'
-                       role="button">{{ word }}</a>
+                <p id='p_{{ word }}' class="new-word" >
+                    <a id="word_{{ word }}"  class="btn btn-light" href='http://youdao.com/w/eng/{{ word }}/#keyfrom=dict2.index'
+                    role="button">{{ word }}</a>
                     ( <a id="freq_{{ word }}" title="{{ word }}">{{ freq }}</a> )
                     <a class="btn btn-success" onclick="familiar('{{ word }}')" role="button">熟悉</a>
                     <a class="btn btn-warning" onclick="unfamiliar('{{ word }}')" role="button">不熟悉</a>
                     <a class="btn btn-danger" onclick="delete_word('{{ word }}')" role="button">删除</a>
-                    <a class="btn btn-info" onclick="read_word('{{ word }}')" role="button">朗读</a>
                 </p>
             {% endfor %}
         </div>
@@ -194,140 +114,12 @@
         <script src="{{ js }}"></script>
     {% endfor %}
 {% endif %}
-<script type="text/javascript">
-    window.onload = function () { // 页面加载时执行
-        const settings = {
-            // initialize settings from localStorage
-            highlightChecked: localStorage.getItem('highlightChecked') !== 'false', // localStorage stores strings, default to true. same below
-            readChecked: localStorage.getItem('readChecked') !== 'false',
-            chooseChecked: localStorage.getItem('chooseChecked') !== 'false',
-            rangeValue: localStorage.getItem('rangeValue') || '1',
-            selectedWords: localStorage.getItem('selectedWords') || ''
-        };
-
-        const elements = {
-            highlightCheckbox: document.querySelector('#highlightCheckbox'),
-            readCheckbox: document.querySelector('#readCheckbox'),
-            chooseCheckbox: document.querySelector('#chooseCheckbox'),
-            rangeComponent: document.querySelector('#rangeComponent'),
-            rangeValueDisplay: document.querySelector('#rangeValue'),
-            selectedWordsInput: document.querySelector('#selected-words')
-        };
-        // 应用设置到页面元素
-        elements.highlightCheckbox.checked = settings.highlightChecked;
-        elements.readCheckbox.checked = settings.readChecked;
-        elements.chooseCheckbox.checked = settings.chooseChecked;
-        elements.rangeComponent.value = settings.rangeValue;
-        elements.rangeValueDisplay.textContent = `${settings.rangeValue}x`;
-        elements.selectedWordsInput.value = settings.selectedWords;
-
-        // 刷新页面或进入页面时判断，若不是首篇文章，则上一篇按钮可见
-        if (sessionStorage.getItem('pre_page_button') !== 'display' && sessionStorage.getItem('pre_page_button')) {
-            $('#load_pre_article').show();
-        }
-
-        // 事件监听器
-        elements.selectedWordsInput.addEventListener('input', () => {
-            localStorage.setItem('selectedWords', elements.selectedWordsInput.value);
-        });
-
-        elements.rangeComponent.addEventListener('input', () => {
-            const rangeValue = elements.rangeComponent.value;
-            elements.rangeValueDisplay.textContent = `${rangeValue}x`;
-            localStorage.setItem('rangeValue', rangeValue);
-        });
-    };
-
-    function clearSelectedWords() {
-        localStorage.removeItem('selectedWords');
-        document.querySelector('#selected-words').value = '';
-    }
-
-
-    function load_next_article() {
-        $("#load_next_article").prop("disabled", true)
-        $.ajax({
-            url: '/get_next_article/{{username}}',
-            dataType: 'json',
-            success: function (data) {
-                // 更新页面内容
-                if (data['today_article']) {
-                    update(data['today_article']);
-                    check_pre(data['visited_articles']);
-                    check_next(data['result_of_generate_article']);
-                }
-            }, complete: function (xhr, status) {
-                $("#load_next_article").prop("disabled", false)
-            }
-        });
-    }
-
-    function load_pre_article() {
-        $.ajax({
-            url: '/get_pre_article/{{username}}',
-            dataType: 'json',
-            success: function (data) {
-                // 更新页面内容
-                if (data['today_article']) {
-                    update(data['today_article']);
-                    check_pre(data['visited_articles']);
-                }
-            }
-        });
-    }
-
-    function update(today_article) {
-        $('#user_level').html(today_article['user_level']);
-        $('#text_level').html(today_article["text_level"]);
-        $('#date').html('Article added on: ' + today_article["date"]);
-        $('#article_title').html(today_article["article_title"]);
-        $('#article').html(today_article["article_body"]);
-        $('#source').html(today_article['source']);
-        $('#question').html(today_article["question"]);
-        $('#answer').html(today_article["answer"]);
-        document.querySelector('#text_level').classList.add('mark'); // highlight text difficult level for 2 seconds
-        setTimeout(() => {
-            document.querySelector('#text_level').classList.remove('mark');
-        }, 2000);
-        document.querySelector('#user_level').classList.add('mark'); // do the same thing for user difficulty level
-        setTimeout(() => {
-            document.querySelector('#user_level').classList.remove('mark');
-        }, 2000);
-    }
-
-    <!-- 检查是否存在上一篇或下一篇，不存在则对应按钮隐藏-->
-    function check_pre(visited_articles) {
-        if ((visited_articles == '') || (visited_articles['index'] <= 0)) {
-            $('#load_pre_article').hide();
-            sessionStorage.setItem('pre_page_button', 'display')
-        } else {
-            $('#load_pre_article').show();
-            sessionStorage.setItem('pre_page_button', 'show')
-        }
-    }
-
-    function check_next(result_of_generate_article) {
-        if (result_of_generate_article == "found") {
-            $('#found').show();
-            $('#not_found').hide();
-            $('#read_all').hide();
-        } else if (result_of_generate_article == "not found") {
-            $('#found').hide();
-            $('#not_found').show();
-            $('#read_all').hide();
-        } else {
-            $('#found').hide();
-            $('#not_found').hide();
-            $('#read_all').show();
-        }
-    }
-</script>
 </body>
 <style>
     mark {
-        color: #{{ yml['highlight']['color'] }};
-        background-color: rgba(0, 0, 0, 0);
-    }
+    color: #{{ yml['highlight']['color'] }};
+    background-color: rgba(0,0,0,0);
+}
 </style>
 
 </html>

app/test/test_next_article.py

@@ -1,85 +0,0 @@
-''' Contributed by Lin Junhong et al. 2023-06.'''
-
-from selenium import webdriver
-from selenium.webdriver.common.desired_capabilities import DesiredCapabilities
-
-from selenium.webdriver.support.ui import WebDriverWait
-from selenium.webdriver.support import expected_conditions as EC
-from selenium.common.exceptions import UnexpectedAlertPresentException, NoAlertPresentException
-import random, time
-import string
-
-# 初始化webdriver
-# driver = webdriver.Remote('http://localhost:4444/wd/hub', DesiredCapabilities.CHROME)
-# driver.implicitly_wait(10)
-driver = webdriver.Chrome("C:\\Users\\12993\AppData\Local\Programs\Python\Python38\\chromedriver.exe")
-
-
-def test_next_article():
-    try:
-        driver.get("http://118.25.96.118:90")
-        assert 'English Pal -' in driver.page_source
-        # login
-        elem = driver.find_element_by_link_text('登录')
-        elem.click()
-
-        uname = 'abcdefg'
-        password = 'abcdefg'
-        elem = driver.find_element_by_id('username')
-        elem.send_keys(uname)
-
-        elem = driver.find_element_by_id('password')
-        elem.send_keys(password)
-        elem = driver.find_element_by_xpath('/html/body/div/button')  # 找到登录按钮
-        elem.click()
-
-        time.sleep(0.5)
-        assert 'EnglishPal Study Room for ' + uname in driver.title
-        for i in range(50):
-            time.sleep(0.1)
-            # 找到固定按钮
-            elem = driver.find_element_by_xpath('//*[@id="load_next_article"]')
-            elem.click()
-    except Exception as e:
-        print(e)
-
-
-def test_local_next_article():
-    try:
-        driver.get("http://127.0.0.1:5000")
-        assert 'English Pal -' in driver.page_source
-        # login
-        elem = driver.find_element_by_link_text('注册')
-        elem.click()
-
-        uname = 'abcdefg'
-        password = 'abcdefg'
-        elem = driver.find_element_by_id('username')
-        elem.send_keys(uname)
-
-        elem = driver.find_element_by_id('password')
-        elem.send_keys(password)
-
-        elem = driver.find_element_by_id('password2')
-        elem.send_keys(password)
-
-        time.sleep(0.5)
-
-        elem = driver.find_element_by_class_name('btn')  # 找到提交按钮
-        elem.click()
-        time.sleep(0.5)
-        try:
-            WebDriverWait(driver, 1).until(EC.alert_is_present())
-            driver.switch_to.alert.accept()
-        except (UnexpectedAlertPresentException, NoAlertPresentException):
-            pass
-
-        time.sleep(0.5)
-        assert 'EnglishPal Study Room for ' + uname in driver.title
-        for i in range(50):
-            time.sleep(0.1)
-            # 找到固定按钮
-            elem = driver.find_element_by_xpath('//*[@id="load_next_article"]')
-            elem.click()
-    except Exception as e:
-        print(e)

app/user_service.py

@@ -1,5 +1,5 @@
 from datetime import datetime
-from admin_service import ADMIN_NAME
+
 from flask import *
 
 # from app import Yaml
@@ -21,46 +21,33 @@ userService = Blueprint("user_bp", __name__)
 path_prefix = '/var/www/wordfreq/wordfreq/'
 path_prefix = './'  # comment this line in deployment
 
-@userService.route("/get_next_article/<username>",methods=['GET','POST'])
-def get_next_article(username):
-    user_freq_record = path_prefix + 'static/frequency/' + 'frequency_%s.pickle' % (username)
+
+@userService.route("/<username>/reset", methods=['GET', 'POST'])
+def user_reset(username):
+    '''
+    用户界面
+    :param username: 用户名
+    :return: 返回页面内容
+    '''
     session['old_articleID'] = session.get('articleID')
     if request.method == 'GET':
-        visited_articles = session.get("visited_articles")
-        if visited_articles['article_ids'][-1] == "null":  # 如果当前还是“null”，则将“null”pop出来,无需index+=1
-            visited_articles['article_ids'].pop()
-        else:  # 当前不为“null”，直接 index+=1
-            visited_articles["index"] += 1
-        session["visited_articles"] = visited_articles
-        visited_articles, today_article, result_of_generate_article = get_today_article(user_freq_record, session.get('visited_articles'))
-        data = {
-            'visited_articles': visited_articles,
-            'today_article': today_article,
-            'result_of_generate_article': result_of_generate_article
-        }
+        session['articleID'] = None
+        return redirect(url_for('user_bp.userpage', username=username))
     else:
         return 'Under construction'
-    return json.dumps(data)
 
-@userService.route("/get_pre_article/<username>",methods=['GET'])
-def get_pre_article(username):
-    user_freq_record = path_prefix + 'static/frequency/' + 'frequency_%s.pickle' % (username)
+@userService.route("/<username>/back", methods=['GET'])
+def user_back(username):
+    '''
+    用户界面
+    :param username: 用户名
+    :return: 返回页面内容
+    '''
     if request.method == 'GET':
-        visited_articles = session.get("visited_articles")
-        if(visited_articles["index"]==0):
-            data=''
-        else:
-            visited_articles["index"] -= 1  # 上一篇，index-=1
-            if visited_articles['article_ids'][-1] == "null":  # 如果当前还是“null”，则将“null”pop出来
-                visited_articles['article_ids'].pop()
-            session["visited_articles"] = visited_articles
-            visited_articles, today_article, result_of_generate_article = get_today_article(user_freq_record, session.get('visited_articles'))
-            data = {
-                'visited_articles': visited_articles,
-                'today_article': today_article,
-                'result_of_generate_article':result_of_generate_article
-            }
-        return json.dumps(data)
+        session['articleID'] = session.get('old_articleID')
+        return redirect(url_for('user_bp.userpage', username=username))
+
+
 
 @userService.route("/<username>/<word>/unfamiliar", methods=['GET', 'POST'])
 def unfamiliar(username, word):
@@ -102,12 +89,11 @@ def deleteword(username, word):
     '''
     user_freq_record = path_prefix + 'static/frequency/' + 'frequency_%s.pickle' % (username)
     pickle_idea2.deleteRecord(user_freq_record, word)
-    # 模板userpage_get.html中删除单词是异步执行，而flash的信息后续是同步执行的，所以注释这段代码；同时如果这里使用flash但不提取信息，则会影响 signup.html的显示。bug复现：删除单词后，点击退出，点击注册，注册页面就会出现提示信息
-    # flash(f'{word} is no longer in your word list.')
+    flash(f'<strong>{word}</strong> is no longer in your word list.')
     return "success"
 
 
-@userService.route("/<username>/userpage", methods=['GET', 'POST'])
+@userService.route("/<username>", methods=['GET', 'POST'])
 def userpage(username):
     '''
     用户界面
@@ -144,21 +130,20 @@ def userpage(username):
         words = ''
         for x in lst3:
             words += x[0] + ' '
-        visited_articles, today_article, result_of_generate_article = get_today_article(user_freq_record, session.get('visited_articles'))
-        session['visited_articles'] = visited_articles
-        # 通过 today_article，加载前端的显示页面
         return render_template('userpage_get.html',
-                               admin_name=ADMIN_NAME,
                                username=username,
                                session=session,
-                               # flashed_messages=get_flashed_messages(), 仅有删除单词的时候使用到flash，而删除单词是异步执行，这里的信息提示是同步执行，所以就没有存在的必要了
-                               today_article=today_article,
-                               result_of_generate_article=result_of_generate_article,
+                               flashed_messages=get_flashed_messages_if_any(),
+                               today_article=get_today_article(user_freq_record, session['articleID']),
                                d_len=len(d),
                                lst3=lst3,
                                yml=Yaml.yml,
                                words=words)
 
+
+
+
+
 @userService.route("/<username>/mark", methods=['GET', 'POST'])
 def user_mark_word(username):
     '''
@@ -188,3 +173,15 @@ def get_time():
     '''
     return datetime.now().strftime('%Y%m%d%H%M')  # upper to minutes
 
+def get_flashed_messages_if_any():
+    '''
+    在用户界面显示黄色提示信息
+    :return: 包含HTML标签的提示信息
+    '''
+    messages = get_flashed_messages()
+    s = ''
+    for message in messages:
+        s += '<div class="alert alert-warning" role="alert">'
+        s += f'Congratulations! {message}'
+        s += '</div>'
+    return s

app/wordfreqCMD.py

@@ -39,7 +39,7 @@ def file2str(fname):#文件转字符
 
 
 def remove_punctuation(s): # 这里是s是形参 (parameter)。函数被调用时才给s赋值。
-    special_characters = '\_©~<=>+/[]*&$%^@.,?!:;#()"“”—‘’{}|' # 把里面的字符都去掉
+    special_characters = '\_©~<=>+-/[]*&$%^@.,?!:;#()"“”—‘’{}|' # 把里面的字符都去掉
     for c in special_characters:
         s = s.replace(c, ' ') # 防止出现把 apple,apple 移掉逗号后变成 appleapple 情况
     s = s.replace('--', ' ')
@@ -70,7 +70,7 @@ def sort_in_ascending_order(lst):# 单词按频率降序排列
     return lst2
 
 
-def make_html_page(lst, fname):  # 只是在wordfreqCMD.py中的main函数中调用，所以不做修改
+def make_html_page(lst, fname):
     '''
     功能：把lst的信息存到fname中，以html格式。
     '''

build.sh

@@ -3,10 +3,6 @@
 DEPLOYMENT_DIR=/home/lanhui/englishpal2/EnglishPal
 cd $DEPLOYMENT_DIR
 
-# Install dependencies
-
-pip3 install -r requirements.txt
-
 # Stop service
 sudo docker stop EnglishPal
 sudo docker rm EnglishPal

requirements.txt

@@ -1,8 +1,3 @@
-Flask==2.0.3
+Flask==1.1.2
 selenium==3.141.0
 PyYAML~=6.0
-pony==0.7.16
-snowballstemmer==2.2.0
-Werkzeug==2.2.2
-
-pytest~=8.1.1