pundit: convert moderation reports to pundit.

app/policies/comment_policy.rb

@@ -3,6 +3,10 @@ class CommentPolicy < ApplicationPolicy
     unbanned? && (user.is_moderator? || record.updater_id == user.id)
   end
 
+  def reportable?
+    unbanned? && record.creator_id != user.id && !record.creator.is_moderator?
+  end
+
   def can_sticky_comment?
     user.is_moderator?
   end

app/policies/dmail_policy.rb

@@ -19,6 +19,10 @@ class DmailPolicy < ApplicationPolicy
     user.is_member? && (record.owner_id == user.id || record.valid_key?(request.params[:key]))
   end
 
+  def reportable?
+    unbanned? && record.owner_id == user.id && record.is_recipient? && !record.is_automated? && !record.from.is_moderator?
+  end
+
   def permitted_attributes_for_create
     [:title, :body, :to_name, :to_id]
   end

app/policies/forum_post_policy.rb

@@ -19,6 +19,10 @@ class ForumPostPolicy < ApplicationPolicy
     unbanned? && show? && user.is_moderator?
   end
 
+  def reportable?
+    unbanned? && show? && record.creator_id != user.id && !record.creator.is_moderator?
+  end
+
   def show_deleted?
     !record.is_deleted? || user.is_moderator?
   end

app/policies/moderation_report_policy.rb

@@ -0,0 +1,13 @@
+class ModerationReportPolicy < ApplicationPolicy
+  def index?
+    user.is_moderator?
+  end
+
+  def create?
+    unbanned? && policy(record.model).reportable?
+  end
+
+  def permitted_attributes
+    [:model_type, :model_id, :reason]
+  end
+end

app/policies/user_policy.rb

@@ -15,6 +15,10 @@ class UserPolicy < ApplicationPolicy
     user.is_member?
   end
 
+  def reportable?
+    false
+  end
+
   def fix_counts?
     user.is_member?
   end