admins can now clear flags inline

app/assets/javascripts/discourse/controllers/topic_controller.js.coffee

@@ -259,6 +259,9 @@ Discourse.TopicController = Ember.ObjectController.extend Discourse.Presence,
     post.toggleProperty('bookmarked')
     false
 
+  clearFlags: (actionType) ->
+    actionType.clearFlags()
+
   # Who acted on a particular post / action type
   whoActed: (actionType) ->
     actionType.loadUsers()

app/assets/javascripts/discourse/models/action_summary.js.coffee

@@ -58,6 +58,18 @@ window.Discourse.ActionSummary = Em.Object.extend Discourse.Presence,
       data:
         post_action_type_id: @get('id')
   
+  clearFlags: ->
+    $.ajax
+      url: "/post_actions/clear_flags"
+      type: "POST"
+      data:
+        post_action_type_id: @get('id')
+        id: @get('post.id')
+      success: (result) =>
+        @set('post.hidden', result.hidden)
+        @set('count', 0)
+
+
   loadUsers: ->
     $.getJSON "/post_actions/users",
       id: @get('post.id'),

app/assets/javascripts/discourse/views/actions_history_view.js.coffee

@@ -36,11 +36,19 @@ window.Discourse.ActionsHistoryView = Em.View.extend Discourse.Presence,
       if c.get('can_undo')
         alsoName = Em.String.i18n("post.actions.undo", alsoName: c.get('actionType.alsoNameLower'))
         buffer.push(" <a href='#' data-undo='#{c.get('id')}'>#{alsoName}</a>.")
+
+      if c.get('can_clear_flags')
+        buffer.push(" <a href='#' data-clear-flags='#{c.get('id')}'>#{Em.String.i18n("post.actions.clear_flags",count: c.count)}</a>.")
+
       buffer.push("</div>")
 
   click: (e) ->
     $target = $(e.target)
 
+    if actionTypeId = $target.data('clear-flags')
+      @get('controller').clearFlags(@content.findProperty('id', actionTypeId))
+      return false
+
     # User wants to know who actioned it
     if actionTypeId = $target.data('who-acted')
       @get('controller').whoActed(@content.findProperty('id', actionTypeId))

app/controllers/post_actions_controller.rb

@@ -45,6 +45,21 @@ class PostActionsController < ApplicationController
     render nothing: true
   end
 
+  def clear_flags
+    requires_parameter(:post_action_type_id)
+    raise Discourse::InvalidAccess unless guardian.is_admin?
+
+    PostAction.clear_flags!(@post, current_user.id, params[:post_action_type_id].to_i)
+    @post.reload
+
+    if @post.is_flagged? 
+      render json: {success: true, hidden: true}
+    else
+      @post.unhide!
+      render json: {success: true, hidden: false}
+    end
+  end
+
   private
 
     def fetch_post_from_params      

app/models/post.rb

@@ -250,6 +250,17 @@ class Post < ActiveRecord::Base
     result
   end
 
+  def is_flagged? 
+    post_actions.where('post_action_type_id in (?) and deleted_at is null', PostActionType.FlagTypes).count != 0
+  end
+
+  def unhide!
+    self.hidden = false
+    self.hidden_reason_id = nil
+    self.topic.update_attributes(visible: true)
+    self.save
+  end
+
   # Update the body of a post. Will create a new version when appropriate  
   def revise(updated_by, new_raw, opts={})
 

app/models/post_action.rb

@@ -47,10 +47,14 @@ class PostAction < ActiveRecord::Base
     user_actions
   end  
 
-  def self.clear_flags!(post, moderator_id)
+  def self.clear_flags!(post, moderator_id, action_type_id = nil)
     
     # -1 is the automatic system cleary
-    actions = moderator_id == -1 ? PostActionType.AutoActionFlagTypes : PostActionType.FlagTypes
+    actions = if action_type_id
+      [action_type_id] 
+    else
+      moderator_id == -1 ? PostActionType.AutoActionFlagTypes : PostActionType.FlagTypes
+    end
 
     PostAction.exec_sql('update post_actions set deleted_at = ?, deleted_by = ? 
                            where post_id = ? and deleted_at is null and post_action_type_id in (?)',

app/serializers/post_serializer.rb

@@ -140,6 +140,8 @@ class PostSerializer < ApplicationSerializer
 
       next if !action_summary[:can_act] && !scope.current_user
 
+      action_summary[:can_clear_flags] = scope.is_admin? && PostActionType.FlagTypes.include?(id)
+
       if post_actions.present? and post_actions.has_key?(id)
         action_summary[:acted] = true 
         action_summary[:can_undo] = scope.can_delete?(post_actions[id])

config/locales/en.yml

@@ -853,6 +853,9 @@ en:
 
       actions:
         flag: 'Flag'
+        clear_flags:
+          one: "Clear flag"
+          other: "Clear flags"
         it_too: "{{alsoName}} it too"
         undo: "Undo {{alsoName}}"
         by_you_and_others:

config/routes.rb

@@ -133,6 +133,7 @@ Discourse::Application.routes.draw do
   resources :post_actions do
     collection do
       get 'users' => 'post_actions#users'
+      post 'clear_flags' => 'post_actions#clear_flags'
     end
   end
   resources :user_actions

spec/models/post_spec.rb

@@ -54,12 +54,29 @@ describe Post do
         topic.user.trust_level = TrustLevel.Levels[:moderator]
         Fabricate.build(:post, post_args).should be_valid
       end
-
-
     end
 
   end
 
+  describe 'flagging helpers' do 
+    it 'isFlagged is accurate' do 
+      post = Fabricate(:post)
+      user = Fabricate(:coding_horror)
+      PostAction.act(user, post, PostActionType.Types[:off_topic])
+      PostAction.act(post.user, post, PostActionType.Types[:spam])
+
+      post.reload 
+      post.is_flagged?.should == true
+      
+      PostAction.remove_act(post.user, post, PostActionType.Types[:spam])
+      post.reload 
+      post.is_flagged?.should == true
+      
+      PostAction.remove_act(user, post, PostActionType.Types[:off_topic])
+      post.reload 
+      post.is_flagged?.should == false
+    end
+  end
 
   describe 'message bus' do
     it 'enqueues the post on the message bus' do