add search by terms on posts

app/controllers/posts_controller.rb

@@ -29,7 +29,7 @@ class PostsController < ApplicationController
   private
 
   def query_params
-    params.permit(:scope) || {}
+    params.permit(:scope, :terms)
   end
 
   def post_params

app/models/post.rb

@@ -1,15 +1,15 @@
 class Post < ApplicationRecord
+  include PgSearch::Model
+
   belongs_to :user
   belongs_to :quoted_post, optional: true, class_name: 'Post'
 
   validates :content, length: { maximum: 777 }
   validates :content, presence: true, unless: :repost?
-
   validate :user, :limit_of_post_per_day
 
-  scope :by_user_follows, ->(user) {
-    where(user_id: user.following_ids)
-  }
+  pg_search_scope :by_terms, against: :content
+  scope :by_user_follows, ->(user) { where(user_id: user.following_ids) }
 
   def repost?
     kind == :quoted_post

app/services/posts_query_resolver_service.rb

@@ -17,6 +17,10 @@ class PostsQueryResolverService
       scope = scope.by_user_follows(current_user)
     end
 
+    if filter[:terms]
+      scope = scope.by_terms(filter[:terms])
+    end
+
     scope
   end
 end