questions displayed dynamically fixed

app/main/views.py

@@ -738,6 +738,7 @@ def new_answer_md(question_id):
         return redirect(url_for('.view_question',question_id=question_id))
     return render_template('new_posting/new_mdanswer.html', form=form)
 
+
 @main.route('/questions/<question_id>', methods=['GET', 'POST'])
 def view_question(question_id):
     if request.method == 'GET':
@@ -766,3 +767,18 @@ def view_question(question_id):
     else:
         inf = request.form["search"]
         return redirect(url_for('.query', content=inf))
+
+
+@main.route('/savequestions/<question_id>')
+def save_question(question_id):
+    question = Question.query.filter_by(id=question_id).first()
+    if question is None:
+        flash('Invalid post.')
+        return redirect(url_for('.index'))
+    if current_user.is_savingquestion(question):
+        flash('You are already liking this post.')
+        return redirect(url_for('.post', id=question_id))
+    current_user.savequestion(question)
+    db.session.commit()
+    flash('You are now liking this post')
+    return redirect(url_for('.view_question', question_id=question_id))

app/models.py

@@ -79,6 +79,13 @@ class Students(db.Model):
     role_id = db.Column(db.Integer, default=1, index=True)
 
 
+class Savequestion(db.Model):
+    __tablename__ = 'savequestion'
+    saver_id = db.Column(db.Integer, db.ForeignKey('users.id'), primary_key=True)
+    question_id = db.Column(db.Integer, db.ForeignKey('questions.id'), primary_key=True)
+    timestamp = db.Column(db.DateTime, default=datetime.utcnow)
+
+
 class Follow(db.Model):
     follower_id = db.Column(db.Integer, db.ForeignKey('users.id'), primary_key=True)
     followed_id = db.Column(db.Integer, db.ForeignKey('users.id'), primary_key=True)
@@ -141,8 +148,8 @@ class User(UserMixin, db.Model):
     collected_transaction = db.relationship('Collect', back_populates='collecter',
                                             lazy='dynamic', cascade='all, delete-orphan')
     # # # # save
-    # saved_by_post = db.relationship('Save_post', back_populates='saver', lazy='dynamic', cascade='all, delete-orphan')
-
+    saved_questions = db.relationship('Savequestion', foreign_keys=[Savequestion.saver_id], backref=db.backref('saver', lazy='joined'),
+                                      lazy='dynamic', cascade='all, delete-orphan')
 
     @staticmethod
     def add_self_follows():
@@ -336,6 +343,19 @@ class User(UserMixin, db.Model):
         return self.followers.filter_by(
             follower_id=user.id).first() is not None
 
+    def is_savingquestion(self, question):
+        return self.saved_questions.filter_by(question_id=question.id).first() is not None
+
+    def savequestion(self, question):
+        if not self.is_savingquestion(question):
+            s = Savequestion(saver=self, question=question)
+            db.session.add(s)
+
+    def unsavequestion(self, question):
+        s = self.saved_questions.filter_by(question_id=question.id).first()
+        db.session.delete(s)
+
+
     @property
     def followed_posts(self):
         return Post.query.join(Follow, Follow.followed_id == Post.author_id) \
@@ -389,6 +409,8 @@ def load_user(user_id):
     return User.query.get(int(user_id))
 
 
+
+
 class Question(db.Model):
     __tablename__ = 'questions'
     id = db.Column(db.Integer, primary_key=True)
@@ -401,6 +423,10 @@ class Question(db.Model):
     recent_activity = db.Column(db.DateTime, index=True, default=datetime.utcnow())
     answers = db.relationship('Post', back_populates='question', cascade='all, delete-orphan', lazy='dynamic')
     is_anonymous = db.Column(db.Boolean, default=False)
+    savers = db.relationship('Savequestion', foreign_keys=[Savequestion.question_id],
+                             backref=db.backref('question', lazy='joined'), lazy='dynamic',
+                             cascade='all, delete-orphan')
+
 
 class Post(db.Model):
     __tablename__ = 'posts'
@@ -591,3 +617,6 @@ class Activity(db.Model):
             return False
         return self.wanter.filter_by(
             wanter_id=user.id).first() is not None
+
+
+

app/templates/Posts/question.html

@@ -124,8 +124,9 @@
 
                     <div class="tabbable">
                         <ul class="nav post-nav">
+                            {% if  %}
                             <li id="btn-1">
-                                <a href="#" class="glyphicon glyphicon-bookmark"> Follow</a>
+                                <a href="{{ url_for('.save_question', question_id=question.id ) }}" class="glyphicon glyphicon-bookmark"> Follow</a>
                             </li>
                             <li id="btn-2">
                                 <a href="{{ url_for('.new_answer_md',question_id=question_id )}}" class="glyphicon glyphicon-pencil">