def before_todo_save(todo):
content = todo.get('content')
if not content:
raise LeanEngineError('内容不能为空')
if len(content) >= 240:
todo.set('content', content[:240] + ' ...')
author = todo.get('author')
if author:
acl = ACL()
acl.set_public_read_access(True)
acl.set_read_access(author.id, True)
acl.set_write_access(author.id, True)
todo.set_acl(acl)
def new_post():
author = User.get_current()
title, content = request.form['title'], request.form['content']
tag_names = parse_tag_names(request.form['tags'])
f = request.files['featuredImage']
if f.filename == '':
featuredImage = None
else:
featuredImage = Attachment(f.filename, data=f.stream)
if featuredImage and not allowed_file(featuredImage.extension):
flash('warning', 'Upload a proper image.')
return redirect(url_for('post_form'))
post = Post()
post.title = title
post.content = content
post.markedContent = markdown(content)
post.author = author
if featuredImage:
post.featuredImage = featuredImage
acl = ACL()
acl.set_public_read_access(True)
acl.set_write_access(author.id, True)
post.set_acl(acl)
post.save()
tags = []
for name in tag_names:
tag = Tag.get_by_name(name)
if not tag:
tag = Tag()
tag.name = name
tags.append(tag)
for tag in tags:
m = TagPostMap()
m.set({'tag': tag, 'post': post})
m.save()
tag.increment('post_count')
Tag.save_all(tags)
return redirect(url_for('show_post', post_id=post.id))
