Delete with task id

db_interaction.py

@@ -16,6 +16,7 @@
 '''
 
 import sqlite3
+import operator
 
 
 def db_insert_task(text, urgent):
@@ -55,7 +56,7 @@ def get_sorted_tasks_list():
     '''
 
     tasks_list = []
-    sql = "SELECT todo FROM task order by todo ASC" #here we order data using "order by"
+    sql = "SELECT id_task, todo FROM task order by todo ASC" #here we order data using "order by"
     conn = sqlite3.connect("task_list.db")
 
     # to remove u from sqlite3 cursor.fetchall() results
@@ -70,33 +71,30 @@ def get_sorted_tasks_list():
     # print results
 
     for task in results:
-        tasks_list.append(task[0]) #each "task" is a tuple, so we have to take the first element of it
+        tasks_list.append((task[0],task[1]))  #each "task" is a tuple, so we have to take the first element of it
 
     conn.close()
 
     return tasks_list
 
-def db_remove_task(text):
+def db_remove_task_by_id(id_task):
     '''
     :param text: text (or part of it) of the task we want to remove from the db
 
     This method remove from the db all the tasks that contain the specified string
     '''
 
     # prepare the query text
-    sql = "delete from task where todo LIKE ?"
+    sql = "delete from task where id_task = ?"
 
-    # add percent sign (%) wildcard to select all the strings that contain specified text
-    # <<the multiple character percent sign (%) wildcardcan be used to represent any number of characters in a value match>>
-    text = "%"+text + "%"
 
     #connect to the db
     conn = sqlite3.connect("task_list.db")
     cursor = conn.cursor()
 
     try:
         #execute the query passing the needed parameters
-        cursor.execute(sql, (text, ) )
+        cursor.execute(sql, (id_task, ) )
         #commit all pending executed queries in the connection
         conn.commit()
     except Exception,e:

templates/index.html

@@ -9,7 +9,7 @@ <h1>Welcome to the Todo List Manager</h1>
     <p>Here you can see all existing tasks</p>
     <ul>
         {% for task in tasks_list %}
-            <li>{{ task }} <a href="{{ url_for('delete_task',string_for_delete=task) }}">Delete</a></li>
+            <li>{{ task[1] }} <a href="{{ url_for('delete_task',id_task=task[0]) }}">Delete</a></li>
         {% endfor %}
     </ul>
 

todo_list_flask.py

@@ -48,9 +48,9 @@ def insert_task():
 
 @app.route('/delete_task.html', methods=['GET'])
 def delete_task():
-    if 'string_for_delete' in request.args:
-        string_for_delete = request.args.get('string_for_delete')
-        db_interaction.db_remove_task(string_for_delete)
+    if 'id_task' in request.args:
+        id_task = request.args.get('id_task')
+        db_interaction.db_remove_task_by_id(id_task)
 
     # back to the home page
     return redirect(url_for('index'))