fix: check current user is admin

app/main.py

@@ -11,7 +11,7 @@ from Article import *
 import Yaml
 from user_service import userService
 from account_service import accountService
-from admin_service import adminService
+from admin_service import adminService, ADMIN_NAME
 app = Flask(__name__)
 app.secret_key = 'lunch.time!'
 
@@ -98,8 +98,13 @@ 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', random_ads=random_ads, number_of_essays=number_of_essays,
+        return render_template('mainpage_get.html', 
-                               d_len=d_len, lst=lst, yml=Yaml.yml)
+                               admin_name=ADMIN_NAME,
+                               random_ads=random_ads,
+                               d_len=d_len,
+                               lst=lst,
+                               yml=Yaml.yml,
+                               number_of_essays=number_of_essays)
 
 
 if __name__ == '__main__':

app/templates/mainpage_get.html

@@ -23,7 +23,10 @@
     <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']}}">{{session['username']}}</a> <a href="/admin">管理</a></p>
+            <a href="/{{ session['username'] }}">{{ session['username'] }}</a>
+            {% if session['username'] == admin_name %}
+            <a href="/admin">管理</a></p>
+            {% endif %}
         {% else %}
             <p><a href="/admin">管理</a> <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|safe}}</b></p>