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Merge pull request #817 from ZogStriP/prevent-duplicates-actions-on-a-post 

prevent duplicate actions on a post
This commit is contained in:
Sam 2013-05-05 17:50:53 -07:00
parent bb7a2da224 392b9696f4
commit 9b1263bb3e
4 changed files with 89 additions and 80 deletions
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50
app/controllers/post_actions_controller.rb
View File

@ -4,39 +4,30 @@ class PostActionsController < ApplicationController
before_filter :ensure_logged_in, except: :users
before_filter :fetch_post_from_params
before_filter :fetch_post_action_type_id_from_params
def create
id = params[:post_action_type_id].to_i
if action = PostActionType.where(id: id).first
guardian.ensure_post_can_act!(@post, PostActionType.types[id])
guardian.ensure_post_can_act!(@post, PostActionType.types[@post_action_type_id])
post_action = PostAction.act(current_user, @post, action.id, params[:message])
if post_action.blank? || post_action.errors.present?
render_json_error(post_action)
else
# We need to reload or otherwise we are showing the old values on the front end
@post.reload
post_serializer = PostSerializer.new(@post, scope: guardian, root: false)
render_json_dump(post_serializer)
end
post_action = PostAction.act(current_user, @post, @post_action_type_id, params[:message])
if post_action.blank? || post_action.errors.present?
render_json_error(post_action)
else
raise Discourse::InvalidParameters.new(:post_action_type_id)
# We need to reload or otherwise we are showing the old values on the front end
@post.reload
post_serializer = PostSerializer.new(@post, scope: guardian, root: false)
render_json_dump(post_serializer)
end
end
def users
requires_parameter(:post_action_type_id)
post_action_type_id = params[:post_action_type_id].to_i
guardian.ensure_can_see_post_actors!(@post.topic, post_action_type_id)
users = User.
select(['null as post_url','users.id', 'users.username', 'users.username_lower', 'users.email','post_actions.related_post_id']).
joins(:post_actions).
where(['post_actions.post_id = ? and post_actions.post_action_type_id = ? and post_actions.deleted_at IS NULL', @post.id, post_action_type_id]).all
guardian.ensure_can_see_post_actors!(@post.topic, @post_action_type_id)
users = User.select(['null as post_url','users.id', 'users.username', 'users.username_lower', 'users.email','post_actions.related_post_id'])
.joins(:post_actions)
.where(['post_actions.post_id = ? and post_actions.post_action_type_id = ? and post_actions.deleted_at IS NULL', @post.id, @post_action_type_id])
.all
urls = Post.urls(users.map{|u| u.related_post_id})
users.each do |u|
@ -47,21 +38,21 @@ class PostActionsController < ApplicationController
end
def destroy
requires_parameter(:post_action_type_id)
post_action = current_user.post_actions.where(post_id: params[:id].to_i, post_action_type_id: @post_action_type_id, deleted_at: nil).first
post_action = current_user.post_actions.where(post_id: params[:id].to_i, post_action_type_id: params[:post_action_type_id].to_i, deleted_at: nil).first
raise Discourse::NotFound if post_action.blank?
guardian.ensure_can_delete!(post_action)
PostAction.remove_act(current_user, @post, post_action.post_action_type_id)
render nothing: true
end
def clear_flags
requires_parameter(:post_action_type_id)
guardian.ensure_can_clear_flags!(@post)
PostAction.clear_flags!(@post, current_user.id, params[:post_action_type_id].to_i)
PostAction.clear_flags!(@post, current_user.id, @post_action_type_id)
@post.reload
if @post.is_flagged?
@ -84,4 +75,9 @@ class PostActionsController < ApplicationController
@post = finder.first
guardian.ensure_can_see!(@post)
end
def fetch_post_action_type_id_from_params
requires_parameter(:post_action_type_id)
@post_action_type_id = params[:post_action_type_id].to_i
end
end

14
app/models/post_action.rb
View File

@ -2,7 +2,7 @@ require_dependency 'rate_limiter'
require_dependency 'system_message'
class PostAction < ActiveRecord::Base
class AlreadyFlagged < StandardError; end
class AlreadyActed < StandardError; end
include RateLimiter::OnCreateRecord
@ -22,7 +22,8 @@ class PostAction < ActiveRecord::Base
posts_flagged_count = PostAction.joins(post: :topic)
.where('post_actions.post_action_type_id' => PostActionType.notify_flag_types.values,
'posts.deleted_at' => nil,
'topics.deleted_at' => nil).count('DISTINCT posts.id')
'topics.deleted_at' => nil)
.count('DISTINCT posts.id')
$redis.set('posts_flagged_count', posts_flagged_count)
user_ids = User.staff.select(:id).map {|u| u.id}
@ -156,9 +157,12 @@ class PostAction < ActiveRecord::Base
end
before_create do
raise AlreadyFlagged if is_flag? && PostAction.where(user_id: user_id,
post_id: post_id,
post_action_type_id: PostActionType.flag_types.values).exists?
post_action_type_ids = is_flag? ? PostActionType.flag_types.values : post_action_type_id
raise AlreadyActed if PostAction.where(user_id: user_id,
post_id: post_id,
post_action_type_id: post_action_type_ids,
deleted_at: nil)
.exists?
end
after_save do

98
spec/models/post_action_spec.rb
View File

@ -23,11 +23,10 @@ describe PostAction do
mod = moderator
action = PostAction.act(codinghorror, post, PostActionType.types[:notify_moderators], "this is my special long message");
posts = Post.
joins(:topic).
select('posts.id, topics.subtype').
where('topics.archetype' => Archetype.private_message).
to_a
posts = Post.joins(:topic)
.select('posts.id, topics.subtype')
.where('topics.archetype' => Archetype.private_message)
.to_a
posts.count.should == 1
action.related_post_id.should == posts[0].id.to_i
@ -85,14 +84,35 @@ describe PostAction do
end
it "increases the post's bookmark count when saved" do
lambda { bookmark.save; post.reload }.should change(post, :bookmark_count).by(1)
end
describe "when a user bookmarks something" do
it "increases the post's bookmark count when saved" do
lambda { bookmark.save; post.reload }.should change(post, :bookmark_count).by(1)
end
it "increases the forum topic's bookmark count when saved" do
lambda { bookmark.save; post.topic.reload }.should change(post.topic, :bookmark_count).by(1)
end
it "increases the forum topic's bookmark count when saved" do
lambda { bookmark.save; post.topic.reload }.should change(post.topic, :bookmark_count).by(1)
end
describe 'when deleted' do
before do
bookmark.save
post.reload
@topic = post.topic
@topic.reload
bookmark.deleted_at = DateTime.now
bookmark.save
end
it 'reduces the bookmark count of the post' do
lambda { post.reload }.should change(post, :bookmark_count).by(-1)
end
it 'reduces the bookmark count of the forum topic' do
lambda { @topic.reload }.should change(post.topic, :bookmark_count).by(-1)
end
end
end
describe 'when a user likes something' do
it 'should increase the post counts when a user likes' do
@ -108,11 +128,10 @@ describe PostAction do
post.topic.reload
}.should change(post.topic, :like_count).by(1)
end
end
describe 'when a user votes for something' do
it 'should increase the vote counts when a user likes' do
it 'should increase the vote counts when a user votes' do
lambda {
PostAction.act(codinghorror, post, PostActionType.types[:vote])
post.reload
@ -127,37 +146,21 @@ describe PostAction do
end
end
describe 'when deleted' do
before do
bookmark.save
post.reload
@topic = post.topic
@topic.reload
bookmark.deleted_at = DateTime.now
bookmark.save
end
it 'reduces the bookmark count of the post' do
lambda {
post.reload
}.should change(post, :bookmark_count).by(-1)
end
it 'reduces the bookmark count of the forum topic' do
lambda {
@topic.reload
}.should change(post.topic, :bookmark_count).by(-1)
end
end
describe 'flagging' do
it 'does not allow you to flag stuff with 2 reasons' do
post = Fabricate(:post)
u1 = Fabricate(:evil_trout)
PostAction.act(u1, post, PostActionType.types[:spam])
lambda { PostAction.act(u1, post, PostActionType.types[:off_topic]) }.should raise_error(PostAction::AlreadyFlagged)
lambda { PostAction.act(u1, post, PostActionType.types[:off_topic]) }.should raise_error(PostAction::AlreadyActed)
end
it 'allows you to flag stuff with another reason' do
post = Fabricate(:post)
u1 = Fabricate(:evil_trout)
PostAction.act(u1, post, PostActionType.types[:spam])
PostAction.remove_act(u1, post, PostActionType.types[:spam])
lambda { PostAction.act(u1, post, PostActionType.types[:off_topic]) }.should_not raise_error(PostAction::AlreadyActed)
end
it 'should update counts when you clear flags' do
@ -175,13 +178,10 @@ describe PostAction do
end
it 'should follow the rules for automatic hiding workflow' do
post = Fabricate(:post)
u1 = Fabricate(:evil_trout)
u2 = Fabricate(:walter_white)
# we need an admin for the messages
admin = Fabricate(:admin)
admin = Fabricate(:admin) # we need an admin for the messages
SiteSetting.flags_required_to_hide_post = 2
@ -218,4 +218,18 @@ describe PostAction do
end
end
it "prevents user to act twice at the same time" do
post = Fabricate(:post)
user = Fabricate(:evil_trout)
# flags are already being tested
all_types_except_flags = PostActionType.types.except(PostActionType.flag_types)
all_types_except_flags.values.each do |action|
lambda do
PostAction.act(user, post, action)
PostAction.act(user, post, action)
end.should raise_error(PostAction::AlreadyActed)
end
end
end

5
spec/models/post_action_type_spec.rb
View File

@ -1,5 +0,0 @@
require 'spec_helper'
describe PostActionType do
end