def get(self, post_id):
if not self.user:
self.redirect("/login")
else:
post = BlogPost.get_by_id(int(post_id))
if not post:
msg = 'The post does not exist'
self.render('error.html', error=msg, user=self.user)
else:
# compare user id that created the post with the login user id
if self.user.key.id() == post.user_id:
post.key.delete()
""" sleep 1s for google datastore to be updated, otherwise
deleted data still show up """
time.sleep(1)
""" delete all comments from the post also """
comments = Comment.query(
ancestor=post.key).order(-Comment.created).fetch()
if comments:
""" start deleting if there is comment """
for c in comments:
c.key.delete()
self.redirect('/blog')
else:
msg = 'You are not allowed to delete this post'
self.render('error.html', error=msg, user=self.user)
def get(self, post_id, comment_id):
""" checking whether user is login, if not, redirect to login page """
if not self.user:
self.redirect("/login")
else:
post = BlogPost.get_by_id(int(post_id))
if not post:
msg = 'The post does not exist'
self.render('error.html', error=msg, user=self.user)
else:
comment = Comment.get_by_id(int(comment_id), post.key)
if comment:
""" make sure user owns the comment """
if self.user.key.id() == comment.commented_by_ukey.id():
comment.key.delete()
# sleep 1s to make database updated
time.sleep(1)
""" get all comments from db again to display """
comments = Comment.query(
ancestor=post.key).order(-Comment.created).fetch()
self.render("comment.html",
p=post,
comments=comments,
user=self.user)
else:
msg = 'You are not allowed to delete this comment'
self.render('error.html', error=msg, user=self.user)
else:
msg = 'Comment does not exist'
self.render('error.html', error=msg, user=self.user)
def post(self, post_id):
""" make sure user is signed in and user owns the post """
if not self.user:
self.redirect("/login")
else:
post = BlogPost.get_by_id(int(post_id))
edit_subject = self.request.get('subject')
edit_content = self.request.get('content')
if not post:
msg = 'The post does not exist'
self.render('error.html', error=msg, user=self.user)
else:
""" make sure user owns the post """
if self.user.key.id() == post.user_id:
if edit_subject and edit_content:
post.subject = edit_subject
post.content = edit_content
post.put()
self.redirect('/blog/%s' % str(post.key.id()))
else:
error = "Please enter subject and content!"
self.render("edit-post.html",
subject=edit_subject,
content=edit_content,
error=error,
user=self.user,
p=post)
else:
msg = 'You are not allowed to edit this post'
self.render('error.html', error=msg, user=self.user)
def post(self, post_id):
""" checking whether user is login, if not, redirect to login page """
if not self.user:
self.redirect("/login")
else:
comment = self.request.get('comment')
if comment:
post = BlogPost.get_by_id(int(post_id))
if not post:
msg = 'The post does not exist'
self.render('error.html', error=msg, user=self.user)
else:
""" use post.key as the parent of the Comment instance """
c = Comment(parent=post.key,
comment=comment,
commented_by=self.user.name,
commented_by_ukey=self.user.key)
c.put()
# sleep 1s to make database updated
time.sleep(1)
""" get all comments from db again to display """
comments = Comment.query(
ancestor=post.key).order(-Comment.created).fetch()
self.render("comment.html",
p=post,
comments=comments,
user=self.user)
else:
msg = "Please enter a comment!"
self.render('error.html',
error_comment=msg,
post_id=post_id,
user=self.user)
def get(self, post_id):
""" checking whether user is login, if not, redirect to login page """
if self.user:
post = BlogPost.get_by_id(int(post_id))
if not post:
msg = 'The post does not exist'
self.render('error.html', post_404=msg, user=self.user)
else:
user_id = post.user_id
if not (self.user.key.id() == user_id):
""" if the user has never liked the post before or
no one has liked it before """
if post.liked_by.find(self.user.name) == -1 \
or post.like == 0:
error = "you can not unlike the post"
self.render('error.html', error=error, user=self.user)
else:
post.like -= 1
print str(post.like)
post.liked_by = \
post.liked_by.replace(self.user.name, "")
post.put()
self.render('permalink.html',
post=post,
user=self.user)
else:
error = 'You are not allowed to Unlike your own post'
self.render('error.html', error=error, user=self.user)
else:
self.redirect("/login")
def get(self, post_id):
post = BlogPost.get_by_id(int(post_id))
if not post:
self.error(404)
return
self.render("permalink.html", post=post, user=self.user)
def get(self, post_id):
""" checking whether user is login, if not, redirect to login page """
if not self.user:
self.redirect("/login")
else:
post = BlogPost.get_by_id(int(post_id))
if not post:
msg = 'The post does not exist'
self.render('error.html', error=msg, user=self.user)
else:
""" get all comments from the same post id """
comments = Comment.query(
ancestor=post.key).order(-Comment.created).fetch()
self.render("comment.html",
p=post,
comments=comments,
user=self.user)
def get(self, post_id):
if not self.user:
self.redirect("/login")
else:
post = BlogPost.get_by_id(int(post_id))
if not post:
msg = 'The post does not exist'
self.render('error.html', error=msg, user=self.user)
else:
# get user who created the post
user_from_post = post.user_id
# compare user id that created the post with the login user id
if self.user.key.id() == user_from_post:
self.render("edit-post.html", p=post, user=self.user)
else:
msg = 'You are not allowed to edit this post'
self.render('error.html', error=msg, user=self.user)
def post(self, post_id, comment_id):
post = BlogPost.get_by_id(int(post_id))
if not post:
msg = 'The post does not exist'
self.render('error.html', error=msg, user=self.user)
else:
comment = Comment.get_by_id(int(comment_id), post.key)
c = self.request.get('edit-comment-txt')
""" checking whether user is login, if not, redirect to login page """
if not self.user:
self.redirect("/login")
else:
""" make sure user owns the comment """
if comment:
if self.user.key == comment.commented_by_ukey:
if c:
comment.comment = c
comment.put()
# sleep 1s to make database updated
time.sleep(1)
""" get all comments from db again to display """
comments = Comment.query(ancestor=post.key).order(
-Comment.created).fetch()
self.render("comment.html",
p=post,
comments=comments,
user=self.user)
else:
error = "Please enter comment!"
self.render("error.html",
error_comment=error,
user=self.user,
comment_id=comment_id,
post_id=post_id)
else:
msg = 'You are not allowed to edit this comment'
self.render('error.html', error=msg, user=self.user)
else:
msg = 'Comment does not exist'
self.render('error.html', error=msg, user=self.user)
def get(self, post_id):
""" checking whether user is login, if not, redirect to login page """
if self.user:
post = BlogPost.get_by_id(int(post_id))
if not post:
msg = 'The post does not exist'
self.render('error.html', error=msg, user=self.user)
# to check if the user of a post is different from login user
else:
user_id = post.user_id
post.like += 1
if not (self.user.key.id() == user_id):
if post.liked_by:
# check if the user has already liked the post
if post.liked_by.find(self.user.name) == -1:
# not liked it yet
post.liked_by = "%s,%s" % (post.liked_by,
self.user.name)
post.put()
self.rebder('permalink.html',
post=post,
user=self.user)
else:
error = "You've already liked this post"
self.render('error.html',
error=error,
user=self.user)
else: # you are the first person to like the post
post.liked_by = self.user.name
post.put()
self.render('permalink.html',
post=post,
user=self.user)
else:
error = 'You are not allowed to like your own post'
self.render('error.html', error=error, user=self.user)
else:
self.redirect("/login")