def get(self, post_id):
"""
Renders the post.html template with the requested post
"""
current_user = self.authenticate_user()
if not post_id:
self.render("post.html", error="No post id provided")
else:
post = Post.get_by_id(long(post_id))
if not post:
self.render("post404.html")
else:
user = User.get_by_id(post.user.id())
comments = Comment.query().filter(Comment.post == post.key).fetch()
likes = Like.query(Like.post == post.key).fetch()
like = Like.query(
Like.user == current_user.key,
Like.post == post.key).get()
self.render(
"post.html",
post=post,
current_user=current_user,
user=user,
like_count = len(likes),
like=like,
comments=comments)
def post(self, post_id):
'''
Adds or removes likes depending on if
a like exists for the post
by the current user and the current
user did not write the post
'''
current_user = self.authenticate_user()
post = Post.get_by_id(long(post_id))
like = Like.query(Like.user == current_user.key,
Like.post == post.key).get()
if post.user == current_user.key:
self.redirect(self.request.referer)
elif like:
remove_user_like(current_user, like)
remove_post_like(post, like)
like.key.delete()
else:
like = Like(user=current_user.key, post=post.key)
like.put()
post.likes.append(like.key)
post.put()
current_user.likes.append(like.key)
current_user.put()
self.redirect(self.request.referer)
def post(self, post_id):
"""
Attempt to create a new blog post
"""
current_user = self.authenticate_user()
if not current_user:
self.redirect("/login")
else:
content = self.request.get("content")
title = self.request.get("subject")
post = Post.get_by_id(long(post_id))
if not post:
self.render("/post404.html")
elif current_user.key != post.user:
self.redirect("/post/" + str(post.key.id()))
elif not content or not title:
self.render_front(post_id,
error="We need both a title and content")
else:
post.title = title
post.content = content
post.put()
self.redirect("/post/" + str(post.key.id()))
def post(self, id, update=False):
post_id = int(id)
res = self.client.get(id)
if res is None or update:
post = Post.get_by_id(post_id)
last_update = datetime.utcnow()
res = (post,last_update)
self.client.set(id, res)
return res
def get_post_vars(post_id):
post = Post.get_by_id(post_id)
errors = {}
template_vars = {
'id': post_id,
'title': post.title,
'content': post.content,
'errors': errors
}
return template_vars
def post(self, post_id):
'''
Deletes the post if the current user
was the author and the post exists
'''
current_user = self.authenticate_user()
post = Post.get_by_id(long(post_id))
if not current_user:
self.redirect("/login")
elif post.user != current_user.key:
self.redirect(self.request.referer)
elif post:
remove_user_post(current_user, post)
remove_likes_for_post(post)
post.key.delete()
self.redirect("/")
else:
self.render("post404.html")
def render_front(self, post_id="", error=""):
"""
Simplify the rendering of the new post template
"""
current_user = self.authenticate_user()
post = Post.get_by_id(long(post_id))
if not current_user:
self.redirect("/login")
elif not post:
self.render("/post404.html")
elif current_user.key != post.user:
self.write("You are not the author of this post")
else:
user = post.user.id()
self.render("edit_post.html",
title=post.title,
content=post.content,
error=error,
current_user=current_user,
user=user,
post_id=post_id)
def post(self, post_id):
"""
Handles the post request from the post page. This is the comment submission.
"""
content = self.request.get("content")
current_user = self.authenticate_user()
post = Post.get_by_id(long(post_id))
if not post:
self.render("post404.html")
else:
user = User.get_by_id(post.user.id())
comments = Comment.query().filter(Comment.post == post.key).fetch()
if not current_user:
self.redirect("/login")
elif not content:
self.render("post.html",
comments=comments,
post=post,
current_user=current_user,
user=user,
error="No comment text was received")
else:
comment = Comment(content=content, user=current_user.key, post=post.key)
comment.put()
current_user.comments.append(comment.key)
current_user.put()
self.render(
"post.html",
post=post,
user=user,
current_user=current_user,
comments=comments)