init project

app/queries/projects/list_query.rb

@@ -0,0 +1,21 @@
+class Projects::ListQuery < ApplicationQuery
+  include CustomSortable
+
+  attr_reader :params
+
+  sort_columns :updated_on, :created_on, :forked_count, :praises_count, default_by: :updated_on, default_direction: :desc
+
+  def initialize(params)
+    @params = params
+  end
+
+  def call
+    scope = Project.like(params[:search])
+      .with_project_type(params[:project_type])
+      .with_project_category(params[:category_id])
+      .with_project_language(params[:language_id])
+      .includes(:project_category, :project_language, :repository, :owner)
+
+    custom_sort(scope, params[:sort_by], params[:sort_direction])
+  end
+end