DEV: Update plugin to match latest guidelines (#76)

- Use different files instead of plugin.rb
- Make sure plugin is disabled according to the setting

app/controllers/discourse_user_notes/user_notes_controller.rb

@@ -0,0 +1,62 @@
+# frozen_string_literal: true
+
+module DiscourseUserNotes
+  class UserNotesController < ::ApplicationController
+    requires_plugin DiscourseUserNotes::PLUGIN_NAME
+    before_action :ensure_logged_in
+    before_action :ensure_staff
+
+    def index
+      user = User.where(id: params[:user_id]).first
+      raise Discourse::NotFound if user.blank?
+
+      notes = ::DiscourseUserNotes.notes_for(params[:user_id])
+      render json: { extras: { username: user.username }, user_notes: create_json(notes.reverse) }
+    end
+
+    def create
+      user = User.where(id: params[:user_note][:user_id]).first
+      raise Discourse::NotFound if user.blank?
+      extras = {}
+      if post_id = params[:user_note][:post_id]
+        extras[:post_id] = post_id
+      end
+
+      user_note =
+        ::DiscourseUserNotes.add_note(user, params[:user_note][:raw], current_user.id, extras)
+
+      render json: create_json(user_note)
+    end
+
+    def destroy
+      user = User.where(id: params[:user_id]).first
+      raise Discourse::NotFound if user.blank?
+
+      raise Discourse::InvalidAccess.new unless guardian.can_delete_user_notes?
+
+      ::DiscourseUserNotes.remove_note(user, params[:id])
+      render json: success_json
+    end
+
+    protected
+
+    def create_json(obj)
+      # Avoid n+1
+      if obj.is_a?(Array)
+        users_by_id = {}
+        posts_by_id = {}
+        User.where(id: obj.map { |o| o[:created_by] }).each { |u| users_by_id[u.id] = u }
+        Post.with_deleted.where(id: obj.map { |o| o[:post_id] }).each { |p| posts_by_id[p.id] = p }
+        obj.each do |o|
+          o[:created_by] = users_by_id[o[:created_by].to_i]
+          o[:post] = posts_by_id[o[:post_id].to_i]
+        end
+      else
+        obj[:created_by] = User.where(id: obj[:created_by]).first
+        obj[:post] = Post.with_deleted.where(id: obj[:post_id]).first
+      end
+
+      serialize_data(obj, ::UserNoteSerializer)
+    end
+  end
+end

app/serializers/user_note_serializer.rb

@@ -0,0 +1,60 @@
+# frozen_string_literal: true
+
+class ::UserNoteSerializer < ApplicationSerializer
+  attributes(
+    :id,
+    :user_id,
+    :raw,
+    :created_by,
+    :created_at,
+    :can_delete,
+    :post_id,
+    :post_url,
+    :post_title,
+  )
+
+  def id
+    object[:id]
+  end
+
+  def user_id
+    object[:user_id]
+  end
+
+  def raw
+    object[:raw]
+  end
+
+  def created_by
+    BasicUserSerializer.new(object[:created_by], scope: scope, root: false)
+  end
+
+  def created_at
+    object[:created_at]
+  end
+
+  def can_delete
+    scope.can_delete_user_notes?
+  end
+
+  def post_id
+    object[:post_id]
+  end
+
+  def post_url
+    url = object[:post].try(:url)
+
+    # In case the topic is deleted
+    url = "/t/#{object[:post].topic_id}/#{object[:post].post_number}" if url == "/404"
+
+    "#{Discourse.base_path}#{url}"
+  end
+
+  def post_title
+    object[:post].try(:title)
+  end
+
+  def topic_id
+    object[:topic_id]
+  end
+end

plugin.rb

@@ -11,16 +11,17 @@ enabled_site_setting :user_notes_enabled
 
 register_asset "stylesheets/user_notes.scss"
 
-register_svg_icon "sticky-note" if respond_to?(:register_svg_icon)
-
-COUNT_FIELD = "user_notes_count"
+register_svg_icon "sticky-note"
 
 after_initialize do
   require_dependency "user"
 
   module ::DiscourseUserNotes
+    PLUGIN_NAME = "discourse_user_notes"
+    COUNT_FIELD = "user_notes_count"
+
     class Engine < ::Rails::Engine
-      engine_name "discourse_user_notes"
+      engine_name PLUGIN_NAME
       isolate_namespace DiscourseUserNotes
     end
 
@@ -47,7 +48,7 @@ after_initialize do
       notes << record
       ::PluginStore.set("user_notes", key_for(user.id), notes)
 
-      user.custom_fields[COUNT_FIELD] = notes.size
+      user.custom_fields[DiscourseUserNotes::COUNT_FIELD] = notes.size
       user.save_custom_fields
 
       record
@@ -62,136 +63,23 @@ after_initialize do
       else
         ::PluginStore.remove("user_notes", key_for(user.id))
       end
-      user.custom_fields[COUNT_FIELD] = notes.size
+      user.custom_fields[DiscourseUserNotes::COUNT_FIELD] = notes.size
       user.save_custom_fields
     end
   end
 
-  require_dependency "application_serializer"
-  class ::UserNoteSerializer < ApplicationSerializer
-    attributes(
-      :id,
-      :user_id,
-      :raw,
-      :created_by,
-      :created_at,
-      :can_delete,
-      :post_id,
-      :post_url,
-      :post_title,
-    )
+  require_relative "app/serializers/user_note_serializer.rb"
+  require_relative "app/controllers/discourse_user_notes/user_notes_controller.rb"
 
-    def id
-      object[:id]
+  Discourse::Application.routes.append { mount ::DiscourseUserNotes::Engine, at: "/user_notes" }
+
+  DiscourseUserNotes::Engine.routes.draw do
+    get "/" => "user_notes#index"
+    post "/" => "user_notes#create"
+    delete "/:id" => "user_notes#destroy"
   end
 
-    def user_id
-      object[:user_id]
-    end
-
-    def raw
-      object[:raw]
-    end
-
-    def created_by
-      BasicUserSerializer.new(object[:created_by], scope: scope, root: false)
-    end
-
-    def created_at
-      object[:created_at]
-    end
-
-    def can_delete
-      scope.can_delete_user_notes?
-    end
-
-    def post_id
-      object[:post_id]
-    end
-
-    def post_url
-      url = object[:post].try(:url)
-
-      # In case the topic is deleted
-      url = "/t/#{object[:post].topic_id}/#{object[:post].post_number}" if url == "/404"
-
-      "#{Discourse.base_path}#{url}"
-    end
-
-    def post_title
-      object[:post].try(:title)
-    end
-
-    def topic_id
-      object[:topic_id]
-    end
-  end
-
-  require_dependency "application_controller"
-  class DiscourseUserNotes::UserNotesController < ::ApplicationController
-    before_action :ensure_logged_in
-    before_action :ensure_staff
-
-    def index
-      user = User.where(id: params[:user_id]).first
-      raise Discourse::NotFound if user.blank?
-
-      notes = ::DiscourseUserNotes.notes_for(params[:user_id])
-      render json: { extras: { username: user.username }, user_notes: create_json(notes.reverse) }
-    end
-
-    def create
-      user = User.where(id: params[:user_note][:user_id]).first
-      raise Discourse::NotFound if user.blank?
-      extras = {}
-      if post_id = params[:user_note][:post_id]
-        extras[:post_id] = post_id
-      end
-
-      user_note =
-        ::DiscourseUserNotes.add_note(user, params[:user_note][:raw], current_user.id, extras)
-
-      render json: create_json(user_note)
-    end
-
-    def destroy
-      user = User.where(id: params[:user_id]).first
-      raise Discourse::NotFound if user.blank?
-
-      raise Discourse::InvalidAccess.new unless guardian.can_delete_user_notes?
-
-      ::DiscourseUserNotes.remove_note(user, params[:id])
-      render json: success_json
-    end
-
-    protected
-
-    def create_json(obj)
-      # Avoid n+1
-      if obj.is_a?(Array)
-        users_by_id = {}
-        posts_by_id = {}
-        User.where(id: obj.map { |o| o[:created_by] }).each { |u| users_by_id[u.id] = u }
-        Post.with_deleted.where(id: obj.map { |o| o[:post_id] }).each { |p| posts_by_id[p.id] = p }
-        obj.each do |o|
-          o[:created_by] = users_by_id[o[:created_by].to_i]
-          o[:post] = posts_by_id[o[:post_id].to_i]
-        end
-      else
-        obj[:created_by] = User.where(id: obj[:created_by]).first
-        obj[:post] = Post.with_deleted.where(id: obj[:post_id]).first
-      end
-
-      serialize_data(obj, ::UserNoteSerializer)
-    end
-  end
-
-  # TODO Drop after Discourse 2.6.0 release
-  if respond_to?(:allow_staff_user_custom_field)
-    allow_staff_user_custom_field(COUNT_FIELD)
-  else
-    whitelist_staff_user_custom_field(COUNT_FIELD)
-  end
+  allow_staff_user_custom_field(DiscourseUserNotes::COUNT_FIELD)
 
   add_to_class(Guardian, :can_delete_user_notes?) do
     (SiteSetting.user_notes_moderators_delete? && user.staff?) || user.admin?
@@ -201,14 +89,6 @@ after_initialize do
     object.custom_fields && object.custom_fields["user_notes_count"].to_i
   end
 
-  DiscourseUserNotes::Engine.routes.draw do
-    get "/" => "user_notes#index"
-    post "/" => "user_notes#create"
-    delete "/:id" => "user_notes#destroy"
-  end
-
-  Discourse::Application.routes.append { mount ::DiscourseUserNotes::Engine, at: "/user_notes" }
-
   add_model_callback(UserWarning, :after_commit, on: :create) do
     user = User.find_by_id(self.user_id)
     created_by_user = User.find_by_id(self.created_by_id)
@@ -261,6 +141,7 @@ after_initialize do
           reason: details[:reason],
         )
       end
+
     note_args = {}
     if post = Post.with_deleted.where(id: details[:post_id]).first
       note_args = { post_id: post.id, topic_id: post.topic_id }
@@ -269,7 +150,6 @@ after_initialize do
     ::DiscourseUserNotes.add_note(details[:user], raw_note, Discourse::SYSTEM_USER_ID, note_args)
   end
 
-  if respond_to? :add_report
   add_report("user_notes") do |report|
     report.modes = [:table]
 
@@ -334,5 +214,4 @@ after_initialize do
       end
     end
   end
-  end
 end