FEATURE: New 'Reviewable' model to make reviewable items generic

Includes support for flags, reviewable users and queued posts, with REST API
backwards compatibility.

Co-Authored-By: romanrizzi <romanalejandro@gmail.com>
Co-Authored-By: jjaffeux <j.jaffeux@gmail.com>

script/import_scripts/base.rb

@@ -596,12 +596,9 @@ class ImportScripts::Base
           skipped += 1
           puts "Skipping bookmark for user id #{params[:user_id]} and post id #{params[:post_id]}"
         else
-          begin
-            PostAction.act(user, post, PostActionType.types[:bookmark])
-            created += 1
-          rescue PostAction::AlreadyActed
-            skipped += 1
-          end
+          result = PostActionCreator.create(user, post, :bookmark)
+          created += 1 if result.success?
+          skipped += 1 if result.failed?
         end
       end
 

script/import_scripts/discuz_x.rb

@@ -398,7 +398,7 @@ class ImportScripts::DiscuzX < ImportScripts::Base
           end
         elsif (m['status'] & 2) >> 1 == 1 # waiting for approve
           mapped[:post_create_action] = lambda do |action_post|
-            PostAction.act(Discourse.system_user, action_post, 6, take_action: false)
+            PostActionCreator.notify_user(Discourse.system_user, action_post)
           end
         end
         skip ? nil : mapped

script/import_scripts/jive_api.rb

@@ -184,8 +184,7 @@ class ImportScripts::JiveApi < ImportScripts::Base
       break if likes["error"]
       likes["list"].each do |like|
         next unless user_id = user_id_from_imported_user_id(like["id"])
-        next if PostAction.exists?(user_id: user_id, post_id: post_id, post_action_type_id: PostActionType.types[:like])
-        PostAction.act(User.find(user_id), Post.find(post_id), PostActionType.types[:like])
+        PostActionCreator.like(User.find(user_id), Post.find(post_id))
       end
 
       break if likes["list"].size < USER_COUNT || likes.dig("links", "next").blank?
@@ -287,8 +286,7 @@ class ImportScripts::JiveApi < ImportScripts::Base
       favorites["list"].each do |favorite|
         next unless user_id = user_id_from_imported_user_id(favorite["author"]["id"])
         next unless post_id = post_id_from_imported_post_id(favorite["favoriteObject"]["id"])
-        next if PostAction.exists?(user_id: user_id, post_id: post_id, post_action_type_id: PostActionType.types[:bookmark])
-        PostAction.act(User.find(user_id), Post.find(post_id), PostActionType.types[:bookmark])
+        PostActionCreator.create(User.find(user_id), Post.find(post_id), :bookmark)
       end
 
       break if favorites["list"].size < POST_COUNT || favorites.dig("links", "next").blank?

script/import_scripts/nodebb/nodebb.rb

@@ -410,11 +410,7 @@ class ImportScripts::NodeBB < ImportScripts::Base
             post["upvoted_by"].each do |upvoter_id|
               user = User.new
               user.id = user_id_from_imported_user_id(upvoter_id) || Discourse::SYSTEM_USER_ID
-
-              begin
-                PostAction.act(user, p, PostActionType.types[:like])
-              rescue PostAction::AlreadyActed
-              end
+              PostActionCreator.like(user, p)
             end
           end
         }

script/import_scripts/question2answer.rb

@@ -310,7 +310,7 @@ EOM
       post = Post.find_by(id: post_id_from_imported_post_id("thread-#{like['postid']}"))
       user = User.find_by(id: user_id_from_imported_user_id(like["userid"]))
       begin
-        PostAction.act(user, post, 2) if user && post
+        PostActionCreator.like(user, post) if user && post
       rescue => e
         puts "error acting on post #{e}"
       end

script/import_scripts/stack_overflow.rb

@@ -165,8 +165,6 @@ class ImportScripts::StackOverflow < ImportScripts::Base
     end
   end
 
-  LIKE ||= PostActionType.types[:like]
-
   def import_likes
     puts "", "Importing post likes..."
 
@@ -196,7 +194,7 @@ class ImportScripts::StackOverflow < ImportScripts::Base
         next unless post_id = post_id_from_imported_post_id(l["PostId"])
         next unless user = User.find_by(id: user_id)
         next unless post = Post.find_by(id: post_id)
-        PostAction.act(user, post, LIKE) rescue nil
+        PostActionCreator.like(user, post) rescue nil
       end
     end
 
@@ -229,7 +227,7 @@ class ImportScripts::StackOverflow < ImportScripts::Base
         next unless post_id = post_id_from_imported_post_id(l["PostCommentId"])
         next unless user = User.find_by(id: user_id)
         next unless post = Post.find_by(id: post_id)
-        PostAction.act(user, post, LIKE) rescue nil
+        PostActionCreator.like(user, post) rescue nil
       end
     end
   end