Shop cart integration with user items

PriceCompEngineAPI/PriceCompEngineAPI/Controllers/PurchasesController.cs

@@ -1,4 +1,4 @@
-using System;
+using System;
 using System.Collections.Generic;
 using System.Linq;
 using System.Net;
@@ -38,9 +38,9 @@ public Dictionary<string, int> GetUserTopPurchases([FromUri] string userName, [F
                 .Select(group => new
                 {
                     ItemName = group.Key,
-                    Sum = (int)group.Sum(x => x.Price)
-                })).Take(5)
-                .OrderByDescending(x => x.Sum)
+                    Sum = (int)group.Count()
+                }))
+                .OrderByDescending(x => x.Sum).Take(5)
                 .ToDictionary(g => g.ItemName, g => g.Sum);
 
             return userPurchases;

PriceCompEngn/PriceCompEngnMobile/Resources/layout/Upload.axml

@@ -4,6 +4,13 @@
     android:layout_width="match_parent"
     android:layout_height="match_parent"
     android:background="#ffffff">
+    <ProgressBar
+        android:id="@+id/load_progress"
+        style="android:attr/progressBarStyleLarge"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_centerHorizontal="true"
+        android:layout_centerVertical="true" />
     <ImageView
         android:layout_width="fill_parent"
         android:layout_height="fill_parent"

PriceCompEngn/PriceCompEngnMobile/Resources/layout/add_item_prompt.axml

@@ -14,6 +14,11 @@
         android:layout_height="wrap_content"
         android:layout_width="match_parent"
         android:text="Search" />
+    <Button
+        android:id="@+id/user_top_items"
+        android:layout_height="wrap_content"
+        android:layout_width="match_parent"
+        android:text="Your most frequent items" />
     <ListView
         android:layout_width="match_parent"
         android:layout_height="200dp"

PriceCompEngn/PriceCompEngnMobile/ShoppingCartActivity.cs

@@ -1,4 +1,4 @@
-using Android.App;
+using Android.App;
 using Android.Widget;
 using Android.OS;
 using Android.Views;
@@ -16,6 +16,7 @@ namespace PriceCompEngnMobile
     public class ShoppingCartActivity : Activity
     {
         private List<KeyValuePair<string, double>> _args = new List<KeyValuePair<string, double>>();
+        private List<KeyValuePair<string, double>> userTop = new List<KeyValuePair<string, double>>();
 
         protected override void OnCreate(Bundle savedInstanceState)
         {
@@ -25,6 +26,7 @@ protected override void OnCreate(Bundle savedInstanceState)
             SetContentView(Resource.Layout.activity_shopcart);
 
             SetInitialListValues();
+            GetUserTopBuys();
 
             Button add_item = FindViewById<Button>(Resource.Id.add_item);
 
@@ -40,6 +42,7 @@ protected override void OnCreate(Bundle savedInstanceState)
                 ListView searchResults = promtView.FindViewById<ListView>(Resource.Id.search_items_list);
                 Button searchButton = promtView.FindViewById<Button>(Resource.Id.search_button);
                 EditText searchText = promtView.FindViewById<EditText>(Resource.Id.search_items_text);
+                Button userTopButton = promtView.FindViewById<Button>(Resource.Id.user_top_items);
 
                 searchButton.Click += delegate
                 {
@@ -51,6 +54,13 @@ protected override void OnCreate(Bundle savedInstanceState)
                     ExecuteSearchAsync(searchResults, uriBuilder);
                 };
 
+                userTopButton.Click += delegate
+                {
+                    ShopItemListAdapter adapter = new ShopItemListAdapter(this, Resource.Id.search_items_list, userTop);
+
+                    searchResults.Adapter = adapter;
+                };
+
                 AlertDialog dialog = builder.Create();
                 dialog.Show();
 
@@ -96,6 +106,24 @@ protected override void OnCreate(Bundle savedInstanceState)
             };
         }
 
+        private async void GetUserTopBuys()
+        {
+            PCEUriBuilder uriBuilder = new PCEUriBuilder(ServiceClient.Resources.Purchases);
+            uriBuilder.AppendStringArgs(new Dictionary<string, string>()
+            {
+                { "userName", MainMenuActivity.User.UserName },
+                { "days", "50" }
+            });
+            string response = await (new RestRequestExecutor()).ExecuteRestGetRequest(uriBuilder);
+
+            string[] items = JsonConvert.DeserializeObject<Dictionary<string, int>>(response).Keys.ToArray();
+            uriBuilder = new PCEUriBuilder(ServiceClient.Resources.MoreItems);
+            uriBuilder.AppendArrayArgs("itemNames", items);
+
+            string newResponse = await (new RestRequestExecutor()).ExecuteRestGetRequest(uriBuilder);
+            userTop = JsonConvert.DeserializeObject<List<KeyValuePair<string, double>>>(newResponse);
+        }
+
         private async void SetInitialListValues()
         {
             Bundle args = Intent.Extras;