Save filter params to sessionStorage for orders list

- Use sessionStorage to save the filters params each time a filter is modified

app/assets/javascripts/admin/admin_ofn.js.coffee

@@ -8,6 +8,7 @@ angular.module("ofn.admin", [
   "admin.dropdown",
   "admin.products",
   "admin.taxons",
-  "infinite-scroll"
+  "infinite-scroll",
+  "admin.orders"
 ]).config ($httpProvider) ->
   $httpProvider.defaults.headers.common["Accept"] = "application/json, text/javascript, */*"

app/assets/javascripts/admin/all.js

@@ -110,5 +110,8 @@
 // foundation
 //= require ../shared/mm-foundation-tpls-0.9.0-20180826174721.min.js
 
+// LocalStorage
+//= require ../shared/angular-local-storage.js
+
 // requires the rest of the JS code in this folder
 //= require_tree .

app/assets/javascripts/admin/orders/controllers/orders_controller.js.coffee

@@ -1,4 +1,4 @@
-angular.module("admin.orders").controller "ordersCtrl", ($scope, $timeout, RequestMonitor, Orders, SortOptions, $window, $filter) ->
+angular.module("admin.orders").controller "ordersCtrl", ($scope, $timeout, RequestMonitor, Orders, SortOptions, $window, $filter, $location, QueryPersistence) ->
   $scope.RequestMonitor = RequestMonitor
   $scope.pagination = Orders.pagination
   $scope.orders = Orders.all
@@ -15,11 +15,16 @@ angular.module("admin.orders").controller "ordersCtrl", ($scope, $timeout, Reque
   $scope.poll = 0
   $scope.rowStatus = {}
 
+  QueryPersistence.storageKey = 'ordersFilters'
+  QueryPersistence.storableFilters = ["q", "sorting", "shipping_method_id", "page", "per_page"]
+
   $scope.initialise = ->
-    $scope.per_page = 15
-    $scope.q = {
-      completed_at_not_null: true
-    }
+    unless QueryPersistence.restoreFilters($scope)
+      $scope.per_page = 15
+      $scope.q = {
+        completed_at_not_null: true
+      }
+
     $scope.fetchResults()
 
   $scope.fetchResults = (page=1) ->
@@ -44,10 +49,12 @@ angular.module("admin.orders").controller "ordersCtrl", ($scope, $timeout, Reque
       per_page: $scope.per_page,
       page: page
     }
+    QueryPersistence.setStoredFilters($scope)
     RequestMonitor.load(Orders.index(params).$promise)
 
   $scope.appendStringIfNotEmpty = (baseString, stringToAppend) ->
     return baseString unless baseString
+    return baseString if baseString.endsWith(stringToAppend)
 
     baseString + stringToAppend
 

app/assets/javascripts/admin/orders/orders.js.coffee

@@ -1 +1 @@
-angular.module("admin.orders", ['admin.indexUtils', 'ngResource', 'mm.foundation'])
+angular.module("admin.orders", ['admin.indexUtils', 'ngResource', 'mm.foundation', "OFNShared"])

app/assets/javascripts/admin/services/query_persistence.js.coffee

@@ -0,0 +1,27 @@
+angular.module("admin.indexUtils").factory 'QueryPersistence', (localStorageService)->
+  new class QueryPersistence
+    storageKey: ''
+    storableFilters: []
+
+    constructor: ->
+      localStorageService.setStorageType("sessionStorage")
+
+    getStoredFilters: ->
+      localStorageService.get(@storageKey) || {}
+
+    setStoredFilters: (scope) ->
+      filters = {}
+      for key in @storableFilters
+        filters[key] = scope[key]
+      localStorageService.set(@storageKey, filters)
+
+    restoreFilters: (scope) ->
+      storedFilters = @getStoredFilters()
+
+      if storedFilters
+        for k,v of storedFilters
+          scope[k] = v
+
+        return true
+
+      false