fast page + eager load on conversation list , conversation and predic…

…ates search (#948)

Gemfile

@@ -107,6 +107,7 @@ gem "ruby-oembed"
 gem "mustache"
 
 gem "chronic", "~> 0.10.2"
+gem "fast_page", "~> 0.1.5"
 gem "kaminari", "~> 1.2"
 
 gem "timezone", "~> 1.2"

Gemfile.lock

@@ -271,6 +271,9 @@ GEM
     faraday-patron (1.0.0)
     faraday-rack (1.0.0)
     faraday-retry (1.0.3)
+    fast_page (0.1.5)
+      activerecord
+      activesupport
     ffi (1.15.5)
     ffi-compiler (1.0.1)
       ffi (>= 1.0.0)
@@ -695,6 +698,7 @@ DEPENDENCIES
   factory_bot_rails
   faker!
   faraday
+  fast_page (~> 0.1.5)
   friendly_id (~> 5.2)
   geocoder (~> 1.6)
   geoip

app/graphql/mutations/predicates/search_predicate.rb

@@ -11,6 +11,8 @@ def app_users(per, page)
       @app_users = @segment.execute_query
                            .page(page)
                            .per(per)
+                           .fast_page
+                           .includes(taggings: :tags)
     end
 
     argument :app_key, String, required: true

app/graphql/types/app_type.rb

@@ -267,7 +267,7 @@ def conversations(per:, page:, filter:, sort:, agent_id: nil, tag: nil, term: ni
       end
 
       @collection = filter_by_agent(agent_id) if agent_id.present?
-      @collection = @collection.page(page).per(per)
+      @collection = @collection.page(page).per(per).fast_page
       sort_conversations(sort)
       @collection = @collection.tagged_with(tag) if tag.present?
       if term
@@ -277,7 +277,7 @@ def conversations(per:, page:, filter:, sort:, agent_id: nil, tag: nil, term: ni
         ).result
       end
 
-      @collection
+      @collection.includes(assignee: { avatar_attachment: :blob }, latest_message: { authorable: { avatar_attachment: :blob } })
     end
 
     def conversations_counts

app/graphql/types/app_user_type.rb

@@ -47,6 +47,10 @@ def kind
 
     field :tag_list, [String], null: true
 
+    def tag_list
+      object.tags.collect(&:name)
+    end
+
     def state
       object.subscription_state
     end

app/graphql/types/conversation_type.rb

@@ -51,9 +51,11 @@ def last_message
 
     def messages(per:, page:)
       @collection = object.messages
+                          .includes(:message_block, :message_event, :message_content, authorable: { avatar_attachment: :blob })
                           .order("id desc")
                           .page(page)
                           .per(per)
+                          .fast_page
     end
   end
 end

app/models/conversation_part.rb

@@ -15,6 +15,8 @@ class ConversationPart < ApplicationRecord
   belongs_to :authorable, polymorphic: true, optional: true
 
   belongs_to :message_block, class_name: "ConversationPartBlock", foreign_key: :messageable_id, optional: true
+  belongs_to :message_event, class_name: "ConversationPartEvent", foreign_key: :messageable_id, optional: true
+  belongs_to :message_content, class_name: "ConversationPartContent", foreign_key: :messageable_id, optional: true
 
   # has_one :conversation_part_content, dependent: :destroy