Expense tracker App completed

ExpenseTracker.Android/ExpenseTracker.Android.csproj

@@ -103,7 +103,9 @@
     <AndroidResource Include="Resources\mipmap-xxxhdpi\icon.png" />
     <AndroidResource Include="Resources\mipmap-xxxhdpi\launcher_foreground.png" />
   </ItemGroup>
-  <ItemGroup />
+  <ItemGroup>
+    <AndroidResource Include="Resources\drawable\logo.png" />
+  </ItemGroup>
   <ItemGroup>
     <ProjectReference Include="..\ExpenseTracker\ExpenseTracker.csproj">
       <Project>{801B6533-97C6-486C-9BF4-050D9B494C9B}</Project>
@@ -161,5 +163,11 @@
   <ItemGroup>
     <AndroidResource Include="Resources\drawable\wind.png" />
   </ItemGroup>
+  <ItemGroup>
+    <AndroidResource Include="Resources\drawable\profile.jpg" />
+  </ItemGroup>
+  <ItemGroup>
+    <AndroidResource Include="Resources\drawable\background.jpg" />
+  </ItemGroup>
   <Import Project="$(MSBuildExtensionsPath)\Xamarin\Android\Xamarin.Android.CSharp.targets" />
 </Project>

ExpenseTracker/App.xaml.cs

@@ -13,7 +13,7 @@ namespace ExpenseTracker
         {
             InitializeComponent();
 
-      
+
             /*if (!string.IsNullOrEmpty(Preferences.Get("MyFirebaseRefreshToken", "")))
             {
                 MainPage = new NavigationPage(new Home());
@@ -22,9 +22,9 @@ namespace ExpenseTracker
             {
                 MainPage = new NavigationPage(new LoginPage());
             }*/
-          //  MainPage = new NavigationPage(new LoginPage());
-
-             MainPage = new HomePage();
+            //  MainPage = new NavigationPage(new LoginPage());
+            MainPage = new NavigationPage(new LoginPage());
+            // MainPage = new HomePage();
             //MainPage = Navigat new LoginPage();
             //MainPage = new MainPage();
         }

ExpenseTracker/model/Constants.cs

@@ -4,6 +4,7 @@ using System.Text;
 
 namespace ExpenseTracker.model
 {
+    //this class contains constant elements that will be used throughout the app
     public class Constants
     {
         public static string WebAPIkey = "AIzaSyDWd1vZS-n3PIIyP004w9l4DLPNUr5uEBE";

ExpenseTracker/model/ExpenseCategory.cs

@@ -4,9 +4,11 @@ using System.Text;
 
 namespace ExpenseTracker.model
 {
+    //this model describes the type of data to be taken for each expense category
    public class ExpenseCategory
     {
         public int id { get; set; }
         public string name { get; set; }
+        public string email { get; set; }
     }
 }

ExpenseTracker/model/expense.cs

@@ -4,12 +4,14 @@ using System.Text;
 
 namespace ExpenseTracker.model
 {
+    //describes the type of data to be taken for expenses per user
     class Expense
     {
         public int expenseCategory { get; set; }
         public string id { get; set; }
         public double amount { get; set; }
+        public string email { get; set; }
         public string narration { get; set; }
-     
+
     }
 }

ExpenseTracker/viewModel/FirebaseHelper.cs

@@ -15,46 +15,48 @@ namespace ExpenseTracker.viewModel
         FirebaseClient firebase = new FirebaseClient("https://expensetracker-cdaa4.firebaseio.com");
 
         //get all Expenses
-        public async Task<List<Expense>> GetAllExpense()
+        public async Task<List<Expense>> GetAllExpense(String usermail)
         {
 
             return (await firebase
               .Child("Expenses")
-              .OnceAsync<Expense>()).Select(item => new Expense
+              .OnceAsync<Expense>()).Where(a=>a.Object.email==usermail).Select(item => new Expense
               {
                   expenseCategory = item.Object.expenseCategory,
                   narration = item.Object.narration,
                   amount=item.Object.amount,
                   id=item.Object.id,
+                  email=item.Object.email,
 
 
               }).Reverse().ToList();
         }
         //all New Expense
-        public async Task AddExpense(double amount, string narration, int expenseCategory, string id)
+        public async Task AddExpense(double amount, string narration, int expenseCategory, string id, String email)
         {
 
             await firebase
               .Child("Expenses")
               .PostAsync(new Expense() {                   
                   amount = amount,                  
                   expenseCategory= expenseCategory,
-                  narration                  = narration,
+                  narration= narration,
                   id= id,
+                  email=email,
               });
         }
 
         //get Details of a particular expense
-        public async Task<Expense> GetExpense(string expenseID)
+        public async Task<Expense> GetExpense(string expenseID, String email)
         {
-            var allExpense = await GetAllExpense();
+            var allExpense = await GetAllExpense(email);
             await firebase
               .Child("Expenses")
               .OnceAsync<Expense>();
             return allExpense.Where(a => a.id == expenseID).FirstOrDefault();
         }
 
-        //Update and Expense
+        //Update an Expense
         public async Task UpdateExpense(double amount, string narration, int expenseCategory, string id)
         {
             var toUpdatePerson = (await firebase
@@ -88,20 +90,20 @@ namespace ExpenseTracker.viewModel
 
 
         //get all categories
-        public async Task<List<ExpenseCategory>> GetAllCategory()
+        public async Task<List<ExpenseCategory>> GetAllCategory(String useremail)
         {
 
             return (await firebase
               .Child("Category")
-              .OnceAsync<ExpenseCategory>()).Select(item => new ExpenseCategory
+              .OnceAsync<ExpenseCategory>()).Where(a => a.Object.email == useremail).Select(item => new ExpenseCategory
               {
                   id = item.Object.id,
                   name= item.Object.name,
 
               }).ToList();
         }
         //add new category
-        public async Task AddCategory(int id, string name)
+        public async Task AddCategory(int id, string name, string email)
         {
 
             await firebase
@@ -111,12 +113,13 @@ namespace ExpenseTracker.viewModel
 
                   name=name,
                   id = id,
+                  email= email
               });
         }
         //get a new category
-        public async Task<ExpenseCategory> GetCategory(int categoryID)
+        public async Task<ExpenseCategory> GetCategory(int categoryID, string email)
         {
-            var allExpense = await GetAllCategory();
+            var allExpense = await GetAllCategory(email);
             await firebase
               .Child("Category")
               .OnceAsync<ExpenseCategory>();
@@ -153,10 +156,10 @@ namespace ExpenseTracker.viewModel
 
 
         //getting total amount of expenses
-        public async Task<double> GetTotalAmountOfExpense()
+        public async Task<double> GetTotalAmountOfExpense(string email)
         {
             double totalAmount=0.0;
-            var allExpense = await GetAllExpense();
+            var allExpense = await GetAllExpense(email);
             for (int i= 0; i< allExpense.Count;i++)
             {
                 totalAmount += allExpense[i].amount;
@@ -168,11 +171,11 @@ namespace ExpenseTracker.viewModel
 
 
         //get total amount spent on each category
-        public async Task<List<CatergoryAmount>> GetTotalAmountOfExpensePerCategory()
+        public async Task<List<CatergoryAmount>> GetTotalAmountOfExpensePerCategory(string email)
         {
             List<CatergoryAmount> categoryAmount = new List<CatergoryAmount>();
-            var allCategories = await GetAllCategory();
-            var allExpense = await GetAllExpense(); 
+            var allCategories = await GetAllCategory(email);
+            var allExpense = await GetAllExpense(email); 
             foreach (var category in allCategories)  // Outer loop
             {
                 // Code that should run for each collection