admin search service

app/controllers/admins_controller.rb

 class AdminsController < ApplicationController
   before_action :authenticate_admin!
+  before_action :apply_jobs
 
   def applies
     @city = City.all.map { |c| [c.name, c.id] }
     @industry = Industry.all.map { |i| [i.name, i.id] }
-    search
     return :applies if params[:search]
 
     redirect_to admin_export_csv_path(format: :csv, params: applied_params) if params[:csv]
@@ -12,7 +12,6 @@ class AdminsController < ApplicationController
 
   def export_csv
     date = DateTime.current.to_formatted_s(:number)
-    search
     csv = ExportCsvService.new(@apply_jobs, Admin::CSV_ATTRIBUTES)
     respond_to do |format|
       format.csv { send_data csv.perform, filename: "#{date}_applied.csv" }
@@ -21,32 +20,9 @@ class AdminsController < ApplicationController
 
   private
 
-  def search
-    if applied_params.present?
-      date_value
-      params_query
-      @apply_jobs = Kaminari.paginate_array(@query).page(params[:page]).per(Job::JOB_PER_PAGE)
-    else
-      @apply_jobs = ApplyJob.includes(:job, cv_attachment: :blob).all
-                            .page(params[:page]).per(Job::JOB_PER_PAGE)
-    end
-  end
-
-  def date_value
-    return unless applied_params[:date_start].present? && params[:date_end].present?
-
-    @d_start = Date.parse(applied_params[:date_start]).beginning_of_day
-    @d_end = Date.parse(applied_params[:date_end]).end_of_day
-  end
-
-  def params_query
-    search_params = { apply_jobs: { email: applied_params[:email],
-                                    created_at: (@d_start..@d_end if @d_start && @d_end) },
-                      cities_jobs: { city_id: applied_params[:city] },
-                      industries_jobs: { industry_id: applied_params[:industry] } }
-                    .transform_values { |v| v.delete_if { |_, value| value.blank? } }
-    mapping = search_params.delete_if { |_, value| value.blank? }
-    @query = ApplyJob.admin_queries.where(mapping).uniq
+  def apply_jobs
+    admin_search = AdminSearchService.new(applied_params)
+    @apply_jobs = admin_search.search
   end
 
   def applied_params

app/services/admin_search_service.rb

+class AdminSearchService
+  def initialize(applied_params)
+    @params = applied_params
+  end
+
+  def search
+    if @params.present?
+      date_value
+      params_query
+      Kaminari.paginate_array(@query).page(@params[:page]).per(Job::JOB_PER_PAGE)
+    else
+      ApplyJob.includes(:job, cv_attachment: :blob).all.page(@params[:page]).per(Job::JOB_PER_PAGE)
+    end
+  end
+
+  def date_value
+    return unless @params[:date_start].present? && @params[:date_end].present?
+
+    @d_start = Date.parse(@params[:date_start]).beginning_of_day
+    @d_end = Date.parse(@params[:date_end]).end_of_day
+  end
+
+  def params_query
+    search_params = { apply_jobs: { email: @params[:email],
+                                    created_at: (@d_start..@d_end if @d_start && @d_end) },
+                      cities_jobs: { city_id: @params[:city] },
+                      industries_jobs: { industry_id: @params[:industry] } }
+                    .transform_values { |v| v.delete_if { |_, value| value.blank? } }
+    mapping = search_params.delete_if { |_, value| value.blank? }
+    @query = ApplyJob.admin_queries.where(mapping).uniq
+  end
+end