init project

app/queries/admins/customer_query.rb

@@ -0,0 +1,24 @@
+class Admins::CustomerQuery < ApplicationQuery
+  include CustomSortable
+
+  attr_reader :params
+
+  sort_columns :created_at, default_by: :created_at, default_direction: :desc, default_table: 'customers'
+
+  def initialize(params)
+    @params = params
+  end
+
+  def call
+    customers = Customer.all
+
+    if params[:partner_id].present?
+      customers = customers.joins(:partner_customers).where(partner_customers: { partner_id: params[:partner_id] })
+    end
+
+    keyword = params[:keyword].to_s.strip
+    customers = customers.joins(:school).where('schools.name LIKE ?', "%#{keyword}%") if keyword.present?
+
+    custom_sort(customers, params[:sort_by], params[:sort_direction])
+  end
+end