def manage_category():
"""后台分类管理视图"""
form = NewCategoryForm(request.form)
if form.validate_on_submit():
with db.auto_commit():
category = Category()
category.set_attr(form.data)
db.session.add(category)
return redirect_back()
fields_names, fields_errors = get_form_error_items(form)
return render_template('admin/manage_category.html', form=form,
fields_errors=fields_errors,
fields_names=fields_names)
def manage_link():
"""后台链接管理管理视图"""
form = NewLinkForm(request.form)
if form.validate_on_submit():
with db.auto_commit():
link = Link()
link.set_attr(form.data)
db.session.add(link)
return redirect_back()
fields_names, fields_errors = get_form_error_items(form)
return render_template('admin/manage_link.html', form=form,
fields_errors=fields_errors,
fields_names=fields_names)
def post(post_id):
"""
文章详情视图，该视图处理发表评论功能
:param post_id: 文章 id
"""
post = Post.query.filter_by(id=post_id, trash=False,
published=True).first_or_404()
reply_id = request.args.get('reply_id')
admin = Admin.query.first()
per_page = admin.comment_per_page
admin_email = admin.email
# 该文章下不在回收站中、已审核且不是回复其它评论的评论 Pagination 对象
comment_pagination = Comment.query.with_parent(post).filter_by(
trash=False, reviewed=True, replied_id=None).order_by(
Comment.create_time.desc()).paginate(per_page=per_page)
form = CommentForm(request.form)
# 根据用户登录状态设置不同的字段数据
if current_user.is_authenticated:
form.author.data = admin.nickname
from_admin = True
reviewed = True
flash_message = '评论已发布。'
else:
from_admin = False
reviewed = False
flash_message = '您的评论会尽快被审核，感谢您的评论。'
if form.validate_on_submit():
# 如果文章不允许评论，则直接返回
if not post.can_comment:
flash('评论已关闭！', 'warning')
return redirect_back()
with db.auto_commit():
comment = Comment()
comment.set_attr(form.data)
comment.from_admin = from_admin
comment.reviewed = reviewed
comment.post = post
if reply_id:
replied_comment = Comment.query.get_or_404(reply_id)
if replied_comment.trash or not replied_comment.reviewed or replied_comment.post.id != post.id:
abort(404)
comment.replied = replied_comment
db.session.add(comment)
flash(flash_message, 'primary')
# 如果不是已登录用户，则发送邮件通知管理员审核
if not current_user.is_authenticated:
send_mail([admin_email],
'博客有新的评论需要审核',
'email/new_comment.html',
post=post)
return redirect(
url_for('web.post', post_id=post.id, _anchor="commentResponse"))
fields_name, fields_errors = get_form_error_items(form)
# 如果是回复评论且表单验证失败，则跳转至专门显示表单错误的页面
if reply_id and form.errors:
if request.referrer and is_safe_url(request.referrer):
back_url = request.referrer
else:
back_url = url_for('web.post', post_id=post.id)
return redirect(
url_for('web.reply_error',
fields_errors=','.join(fields_errors),
back_url=back_url))
# 如果是主评论表单填写错误，flash 一条信息
if form.errors:
flash('评论表单填写有误。', 'danger')
return render_template('blog/post.html',
post=post,
comment_pagination=comment_pagination,
form=form,
fields_errors=fields_errors,
fields_name=fields_name)
