Merge pull request 'Integrate Endpoint/API/models for main functionallities' (#50) from models/integration into master

Reviewed-on: ShopNCook/ShopNCook#50

App.xaml.cs

@@ -8,18 +8,18 @@ public partial class App : Application, ConnectionObserver, IApp
 
     private IEndpoint Endpoint = new LocalEndpoint();
 
-    public UserNotifier Notifier => new ConsoleUserNotifier();
+    public IUserNotifier Notifier => new ConsoleUserNotifier();
 
     public App()
     {
         InitializeComponent();
-        ForceLogin(); //start in login state
+        ForceLogin(); //start in login shell
     }
 
     public void OnAccountConnected(Account account)
     {
-       Shell shell = new MainAppShell(account, this);
+        Shell shell = new MainAppShell(account, Endpoint, this);
-        shell.GoToAsync("//Main");
+        shell.GoToAsync("//Home");
         MainPage = shell;
     }
 

ConnectAppShell.xaml.cs

@@ -7,7 +7,7 @@ using ShoopNCook.Pages;
 
 public partial class ConnectAppShell : Shell
 {
-	public ConnectAppShell(ConnectionObserver observer, IAccountManager accounts, UserNotifier notifier)
+	public ConnectAppShell(ConnectionObserver observer, IAccountManager accounts, IUserNotifier notifier)
 	{
 		ConnectionController controller = new ConnectionController(observer, accounts, notifier);
 		InitializeComponent();

ConsoleUserNotifier.cs

@@ -4,8 +4,15 @@
     /// A notice reporter implementation that prints in console the applications's user notices.
     /// </summary>
     public class ConsoleUserNotifier :
-        UserNotifier
+        IUserNotifier
     {
+
+        public void Success(string message)
+        {
+            Console.WriteLine("<User Notice> Success: " + message);
+        }
+
+
         public void Error(string message)
         {
             Console.WriteLine("<User Notice> Error: " + message);

Controllers/ConnectionController.cs

@@ -7,8 +7,8 @@ namespace ShoopNCook.Controllers
     {
         private readonly ConnectionObserver observer;
         private readonly IAccountManager accounts;
-        private readonly UserNotifier notifier;
+        private readonly IUserNotifier notifier;
-        public ConnectionController(ConnectionObserver observer, IAccountManager accounts, UserNotifier notifier) {
+        public ConnectionController(ConnectionObserver observer, IAccountManager accounts, IUserNotifier notifier) {
             this.observer = observer;
             this.accounts = accounts;
             this.notifier = notifier;

Controllers/MorePageController.cs

@@ -1,8 +1,6 @@
-using System;
+using Endpoint;
-using System.Collections.Generic;
+using Models;
-using System.Linq;
+using ShoopNCook.Pages;
-using System.Text;
-using System.Threading.Tasks;
 
 namespace ShoopNCook.Controllers
 {
@@ -10,9 +8,14 @@ namespace ShoopNCook.Controllers
     {
 
         private readonly IApp app;
+        private readonly IEndpoint endpoint;
+        private readonly Account account;
 
-        public MorePageController(IApp app) { 
+        public MorePageController(Account account, IEndpoint endpoint, IApp app)
+        {
             this.app = app;
+            this.endpoint = endpoint;
+            this.account = account;
         }
 
         public void Logout()
@@ -20,5 +23,15 @@ namespace ShoopNCook.Controllers
             app.Notifier.Notice("You have been loged out.");
             app.ForceLogin();
         }
+
+        public void GoToMyRecipesPage()
+        {
+            Shell.Current.Navigation.PushAsync(new MyRecipesPage(account, endpoint.RecipesService, app.Notifier));
+        }
+
+        public void GoToProfilePage()
+        {
+            Shell.Current.Navigation.PushAsync(new ProfilePage(account));
+        }
     }
 }

Endpoint/IAccountOwnedRecipes.cs

@@ -0,0 +1,23 @@
+using Models;
+using System;
+using System.Collections.Generic;
+using System.Collections.Immutable;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace LocalEndpoint
+{
+    public interface IAccountOwnedRecipes
+    {
+
+        public Account Account { get; }
+
+        public bool UploadRecipe(Recipe recipe);
+
+        public bool RemoveRecipe(RecipeInfo info);
+
+
+        public ImmutableList<RecipeInfo> GetAccountRecipes();
+    }
+}

Endpoint/IAccountRecipesPreferences.cs

@@ -0,0 +1,25 @@
+using Models;
+using System.Collections.Immutable;
+
+namespace Endpoint
+{
+    public interface IAccountRecipesPreferences
+    {
+        public Account Account { get; }
+
+
+        public void AddToFavorites(RecipeInfo info);
+        public void RemoveFromFavorites(RecipeInfo info);
+        public void SetReviewScore(RecipeInfo info, uint score);
+        public bool AddToWeeklyList(RecipeInfo info, uint persAmount);
+
+        public AccountRecipeRate GetRate(RecipeInfo info);
+
+        public ImmutableList<RecipeInfo> GetFavorites();
+
+        public ImmutableList<RecipeInfo> GetRecommendedRecipes();
+
+        public ImmutableList<(RecipeInfo, uint)> GetWeeklyList();
+
+    }
+}

Endpoint/IEndpoint.cs

@@ -6,6 +6,8 @@ namespace Endpoint
     {
         public IAccountManager AccountManager { get; }
 
+        public IRecipesService RecipesService { get; }
+
     }
 }
 

Endpoint/IRecipesService.cs

@@ -0,0 +1,23 @@
+using LocalEndpoint;
+using Models;
+using System;
+using System.Collections.Generic;
+using System.Collections.Immutable;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace Endpoint
+{
+    public interface IRecipesService
+    {
+        public ImmutableList<RecipeInfo> PopularRecipes();
+
+        public Recipe GetRecipe(RecipeInfo info);
+
+        public IAccountOwnedRecipes GetRecipesOf(Account account);
+        public IAccountRecipesPreferences GetPreferencesOf(Account account);
+
+
+    }
+}

IApp.cs

@@ -9,7 +9,7 @@ namespace ShoopNCook
 {
     public interface IApp
     {
-        public UserNotifier Notifier { get; }
+        public IUserNotifier Notifier { get; }
 
         public void ForceLogin();
     }

IUserNotifier.cs

@@ -6,9 +6,10 @@ using System.Threading.Tasks;
 
 namespace ShoopNCook
 {
-    public interface UserNotifier
+    public interface IUserNotifier
-
     {
+        public void Success(string message);
+
         public void Notice(string message);
 
         public void Error(string message);

LocalEndpoint/AccountData.cs

@@ -0,0 +1,11 @@
+using Endpoint;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace LocalEndpoint
+{
+    internal record AccountData(IAccountOwnedRecipes Recipes, IAccountRecipesPreferences Preferences);
+}

LocalEndpoint/AccountManager.cs

@@ -1,37 +0,0 @@
-using Models;
-using Endpoint;
-using System;
-using System.Collections.Generic;
-using System.Linq;
-using System.Text;
-using System.Threading.Tasks;
-
-namespace LocalEndpoint
-{
-    internal class AccountManager : IAccountManager
-    {
-        private static readonly Uri DEFAULT_ACCOUNT_IMAGE = new Uri("https://www.pngkey.com/png/full/115-1150152_default-profile-picture-avatar-png-green.png");
-
-        private Account userAccount = new Account(new User(DEFAULT_ACCOUNT_IMAGE, "Stub Account"), "test@example.com");
-        private string userPassword = "123456";
-        
-        public Account? Login(string email, string password)
-        {
-            if (userAccount.Email == email && userPassword == password)
-            {
-                return userAccount;
-            }
-            return null;
-        }
-
-        public Account? Register(string email, string username, string password)
-        {
-            if (email == null || username == null || password == null)
-                return null;
-
-            userAccount = new Account(new User(DEFAULT_ACCOUNT_IMAGE, username), email);
-            userPassword = password;
-            return userAccount;
-        }
-    }
-}

LocalEndpoint/AccountOwnedRecipes.cs

@@ -0,0 +1,52 @@
+using LocalEndpoint;
+using Models;
+using System.Collections.Immutable;
+
+namespace Endpoint
+{
+    internal class AccountOwnedRecipes : IAccountOwnedRecipes
+    {
+
+        public Account Account { get; init; }
+
+        private readonly Dictionary<Guid, Recipe> ownedRecipes = new Dictionary<Guid, Recipe>();
+        private readonly RecipesDatabase db;
+
+        public AccountOwnedRecipes(Account account, RecipesDatabase db)
+        {
+            Account = account;
+            this.db = db;
+
+            //Retrieve all owned recipes from database.
+            db.ListAll().ForEach(recipe =>
+            {
+                if (recipe.Owner == account.User) ownedRecipes[recipe.Info.Id] = recipe;
+            });
+        }
+
+        public bool UploadRecipe(Recipe recipe)
+        {
+            Guid id = recipe.Info.Id;
+            if (ownedRecipes.ContainsKey(id))
+            {
+                return false;
+            }
+            db.Insert(recipe);
+            ownedRecipes.Add(id, recipe);
+            return true;
+        }
+
+        public bool RemoveRecipe(RecipeInfo info)
+        {
+            db.Remove(info.Id);
+            return ownedRecipes.Remove(info.Id);
+        }
+
+        public ImmutableList<RecipeInfo> GetAccountRecipes()
+        {
+            return ownedRecipes.Values.ToImmutableList().ConvertAll(r => r.Info);
+        }
+
+
+    }
+}

LocalEndpoint/AccountRecipesPreferences.cs

@@ -0,0 +1,102 @@
+using Endpoint;
+using Models;
+using System;
+using System.Collections.Generic;
+using System.Collections.Immutable;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace LocalEndpoint
+{
+    internal class AccountRecipesPreferences : IAccountRecipesPreferences
+    {
+        //Binds a recipe's id to it's account review ratings.
+        private readonly Dictionary<Guid, AccountRecipeRate> ratings = new Dictionary<Guid, AccountRecipeRate>();
+
+        //Binds a recipe's id to its amount of person stored in the account's weekly list
+        private readonly Dictionary<Guid, uint> weekly = new Dictionary<Guid, uint>();
+
+        private readonly RecipesDatabase db;
+        public AccountRecipesPreferences(Account account, RecipesDatabase db)
+        {
+            Account = account;
+            this.db = db;
+        }
+
+        public Account Account { get; init; }
+
+        public ImmutableList<RecipeInfo> GetRecommendedRecipes()
+        {
+            return db.ListAll().ConvertAll(recipe => recipe.Info);
+        }
+
+        public ImmutableList<RecipeInfo> GetFavorites()
+        {
+            List<RecipeInfo> favorites = new List<RecipeInfo>();
+            foreach (Recipe recipe in db.ListAll())
+            {
+                if (ratings.TryGetValue(recipe.Info.Id, out AccountRecipeRate? rate))
+                {
+                    if (rate.IsFavorite) 
+                        favorites.Add(recipe.Info);
+                }
+            }
+            return favorites.ToImmutableList();
+        }
+
+        public ImmutableList<(RecipeInfo, uint)> GetWeeklyList()
+        {
+            List<(RecipeInfo, uint)> weekly = new List<(RecipeInfo, uint)>();
+            foreach (Recipe recipe in db.ListAll())
+            {
+                if (this.weekly.TryGetValue(recipe.Info.Id, out uint personAmmount))
+                {
+                    weekly.Add((recipe.Info, personAmmount));
+                }
+            }
+            return weekly.ToImmutableList();
+        }
+
+        
+        public AccountRecipeRate GetRate(RecipeInfo info)
+        {
+            AccountRecipeRate rate = null;
+            if (!ratings.TryGetValue(info.Id, out rate))
+            {
+                rate = new AccountRecipeRate();
+                ratings.Add(info.Id, rate);
+            }
+            return rate;
+        }
+
+        public void AddToFavorites(RecipeInfo info)
+        {
+            AccountRecipeRate rate = GetRate(info);
+            ratings[info.Id] = new AccountRecipeRate(true, rate.Rate);
+        }
+
+
+        public bool AddToWeeklyList(RecipeInfo info, uint persAmount)
+        {
+            if (weekly.ContainsKey(info.Id))
+                return false;
+
+            weekly[info.Id] = persAmount;
+
+            return true;
+        }
+
+        public void RemoveFromFavorites(RecipeInfo info)
+        {
+            AccountRecipeRate rate = GetRate(info);
+            ratings[info.Id] = new AccountRecipeRate(false, rate.Rate);
+        }
+
+        public void SetReviewScore(RecipeInfo info, uint score)
+        {
+            AccountRecipeRate rate = GetRate(info);
+            ratings[info.Id] = new AccountRecipeRate(rate.IsFavorite, score);
+        }
+    }
+}

LocalEndpoint/ConnectionManager.cs

@@ -0,0 +1,33 @@
+using Models;
+using Endpoint;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace LocalEndpoint
+{
+    internal class ConnectionManager : IAccountManager
+    {
+        private Account userAccount = Constants.MAIN_USER_ACCOUNT;
+        private string userPassword = Constants.MAIN_USER_PASSWORD;
+        public Account? Login(string email, string password)
+        {
+            if (Constants.MAIN_USER_ACCOUNT.Email == email && Constants.MAIN_USER_PASSWORD == password)
+                return Constants.MAIN_USER_ACCOUNT;
+            return null;
+        }
+
+
+        public Account? Register(string email, string username, string password)
+        {
+            if (email == null || username == null || password == null)
+                return null;
+
+            userAccount = new Account(new User(Constants.DEFAULT_ACCOUNT_IMAGE, username), email);
+            userPassword = password;
+            return userAccount;
+        }
+    }
+}

LocalEndpoint/Constants.cs

@@ -0,0 +1,20 @@
+using Models;
+
+namespace LocalEndpoint
+{
+    internal class Constants
+    {
+
+        public static readonly Uri DEFAULT_ACCOUNT_IMAGE = new Uri("https://www.pngkey.com/png/full/115-1150152_default-profile-picture-avatar-png-green.png");
+
+        // User account for tests
+        public static readonly Account MAIN_USER_ACCOUNT = new Account(new User(DEFAULT_ACCOUNT_IMAGE, "Example Account"), "test@example.com");
+        public static readonly string  MAIN_USER_PASSWORD = "123456";
+
+        // other user samples
+        public static readonly User USER1 = new User(new Uri("https://i.ibb.co/L6t6bGR/DALL-E-2023-05-10-20-27-31-cook-looking-at-the-camera-with-a-chef-s-hat-laughing-in-an-exaggerated-w.png"), "The Funny Chief");
+        public static readonly User USER2 = new User(DEFAULT_ACCOUNT_IMAGE, "Yanis");
+        public static readonly User USER3 = new User(DEFAULT_ACCOUNT_IMAGE, "Leo");
+
+    }
+}

LocalEndpoint/LocalEndpoint.cs

@@ -1,10 +1,37 @@
 using Endpoint;
+using Models;
+using System.Collections.Immutable;
 
 namespace LocalEndpoint
 {
+
+    /// <summary>
+    /// The local endpoint is an implementation of the Endpoint API definition.
+    ///
+    /// </summary>
     public class LocalEndpoint : IEndpoint
     {
-        public IAccountManager AccountManager => new AccountManager();
+        private readonly IAccountManager accountManager = new ConnectionManager();
+        private readonly IRecipesService recipesService;
+
+
+        public LocalEndpoint()
+        {
+            RecipesDatabase db = new RecipesDatabase();
+
+            //miam
+            db.Insert(new Recipe(new RecipeInfo("Chicken Salad", 500, 20, new Uri("https://healthyfitnessmeals.com/wp-content/uploads/2021/04/Southwest-chicken-salad-7-500x500.jpg"), 4, Guid.NewGuid()), Constants.USER1, new List<Ingredient> { new Ingredient("Ingredient 1", 6) }.ToImmutableList(), new List<PreparationStep> { new PreparationStep("Step 1", "Bake the eggs") }.ToImmutableList()));
+            db.Insert(new Recipe(new RecipeInfo("Chocolate Cake", 2500, 10, new Uri("https://bakewithshivesh.com/wp-content/uploads/2022/08/IMG_0248-scaled.jpg"), 3, Guid.NewGuid()), Constants.USER2, new List<Ingredient> { new Ingredient("Ingredient 1", 6) }.ToImmutableList(), new List<PreparationStep> { new PreparationStep("Step 1", "Bake the eggs") }.ToImmutableList()));
+            db.Insert(new Recipe(new RecipeInfo("Salmon", 20, 10, new Uri("https://www.wholesomeyum.com/wp-content/uploads/2021/06/wholesomeyum-Pan-Seared-Salmon-Recipe-13.jpg"), 4, Guid.NewGuid()), Constants.MAIN_USER_ACCOUNT.User, new List<Ingredient> { new Ingredient("Ingredient 1", 6) }.ToImmutableList(), new List<PreparationStep> { new PreparationStep("Step 1", "Bake the eggs") }.ToImmutableList()));
+            db.Insert(new Recipe(new RecipeInfo("Fish", 50, 30, new Uri("https://www.ciaanet.org/wp-content/uploads/2022/07/Atlantic-and-Pacific-whole-salmon-1024x683.jpg"), 4.5F, Guid.NewGuid()), Constants.MAIN_USER_ACCOUNT.User, new List<Ingredient> { new Ingredient("Ingredient 1", 6) }.ToImmutableList(), new List<PreparationStep> { new PreparationStep("Step 1", "Bake the eggs") }.ToImmutableList()));
+            db.Insert(new Recipe(new RecipeInfo("Space Cake", 800, 5, new Uri("https://static.youmiam.com/images/recipe/1500x1000/space-cake-22706?placeholder=web_recipe&sig=f14a7a86da837c6b8cc678cde424d6d5902f99ec&v3"), 5, Guid.NewGuid()), Constants.USER3, new List<Ingredient> { new Ingredient("Ingredient 1", 6) }.ToImmutableList(), new List<PreparationStep> { new PreparationStep("Step 1", "Bake the eggs") }.ToImmutableList()));
+
+            recipesService = new RecipesService(db);
+        }
+
+        public IAccountManager AccountManager => accountManager;
+
+        public IRecipesService RecipesService => recipesService;
 
     }
 }

LocalEndpoint/RecipesDatabase.cs

@@ -0,0 +1,43 @@
+using Models;
+using System.Collections.Generic;
+using System.Collections.Immutable;
+
+namespace LocalEndpoint
+{
+
+    //Simple class to simulate a recipe database
+    internal class RecipesDatabase
+    {
+
+        private Dictionary<Guid, Recipe> recipes = new Dictionary<Guid, Recipe>();
+
+        public Recipe? Lookup(Guid id)
+        {
+            Recipe? recipe;
+            recipes.TryGetValue(id, out recipe);
+            return recipe;
+        }
+
+
+        public Recipe Get(Guid id)
+        {
+            return recipes[id];
+        }
+
+        public void Insert(Recipe recipe)
+        {
+            recipes[recipe.Info.Id] = recipe; 
+        }
+
+        public void Remove(Guid id)
+        {
+            recipes.Remove(id);
+        }
+
+        public ImmutableList<Recipe> ListAll()
+        {
+            return recipes.Values.ToImmutableList();
+        }
+
+    }
+}

LocalEndpoint/RecipesService.cs

@@ -0,0 +1,55 @@
+using Endpoint;
+using Models;
+using System.Collections.Immutable;
+
+namespace LocalEndpoint
+{
+    internal class RecipesService : IRecipesService
+    {
+
+        private readonly RecipesDatabase db;
+        private readonly Dictionary<Account, AccountData> accountsData = new Dictionary<Account, AccountData>();
+
+        public RecipesService(RecipesDatabase db)
+        {
+            this.db = db;
+        }
+
+        public ImmutableList<RecipeInfo> PopularRecipes()
+        {
+            return db.ListAll().Take(4).ToImmutableList().ConvertAll(v => v.Info);
+        }
+
+        public Recipe GetRecipe(RecipeInfo info)
+        {
+            return db.Get(info.Id);
+        }
+
+
+        public IAccountOwnedRecipes GetRecipesOf(Account account)
+        {
+            return GetOrInitData(account).Recipes;
+        }
+        public IAccountRecipesPreferences GetPreferencesOf(Account account)
+        {
+            return GetOrInitData(account).Preferences;
+        }
+
+        private AccountData GetOrInitData(Account account)
+        {
+            AccountData? data;
+            accountsData.TryGetValue(account, out data);
+
+            if (data == null)
+            {
+                AccountOwnedRecipes recipes = new AccountOwnedRecipes(account, db);
+                recipes.UploadRecipe(new Recipe(new RecipeInfo("Cupcake", 500, 12, new Uri("https://www.mycake.fr/wp-content/uploads/2015/12/rs_cupcake_4x3.jpg"), 4.2F, Guid.NewGuid()), account.User, new List<Ingredient> { new Ingredient("Chocolate", 4) }.ToImmutableList(), new List<PreparationStep> { new PreparationStep("Eat Chocolate", "Eat the chocolate") }.ToImmutableList()));
+                AccountRecipesPreferences preferences = new AccountRecipesPreferences(account, db);
+                data = new AccountData(recipes, preferences);
+                accountsData.Add(account, data);
+            }
+            return data;
+        }
+
+    }
+}

MainAppShell.xaml.cs

@@ -3,15 +3,15 @@ using Microsoft.Maui.Controls;
 using Models;
 using ShoopNCook.Controllers;
 using ShoopNCook.Pages;
-
+using Endpoint;
 public partial class MainAppShell : Shell
 {
-	public MainAppShell(Account account, IApp app)
+	public MainAppShell(Account account, IEndpoint endpoint, IApp app)
 	{
 		InitializeComponent();
-		HomeTab.ContentTemplate = new DataTemplate(() => new HomePage(account, app));
+		HomeTab.ContentTemplate = new DataTemplate(() => new HomePage(account, app.Notifier, endpoint));
-		FavoritesTab.ContentTemplate = new DataTemplate(() => new FavoritesPage(account, app));
+		FavoritesTab.ContentTemplate = new DataTemplate(() => new FavoritesPage(account, app.Notifier, endpoint.RecipesService));
-		MyListTab.ContentTemplate = new DataTemplate(() => new MyListPage(account, app));
+		MyListTab.ContentTemplate = new DataTemplate(() => new MyListPage(account, app.Notifier, endpoint.RecipesService));
-		MoreTab.ContentTemplate = new DataTemplate(() => new MorePage(account, new MorePageController(app)));
+		MoreTab.ContentTemplate = new DataTemplate(() => new MorePage(account, new MorePageController(account, endpoint, app)));
     }
 }

Models/Account.cs

@@ -1,15 +1,4 @@
 namespace Models
 {
-    public class Account
+    public record Account(User User, string Email);
-    {
-
-        public Account(User usr, string mail)
-        {
-            User = usr;
-            Email = mail;
-        }
-
-        public User User { get; init; }
-        public string Email { get; init; }
-    }
 }

Models/AccountRecipeRate.cs

@@ -0,0 +1,5 @@
+
+namespace Models
+{
+    public record AccountRecipeRate(bool IsFavorite = false, uint Rate = 0);
+}

Models/Ingredient.cs

@@ -1,17 +1,4 @@
 namespace Models
 {
-    public class Ingredient
+    public record Ingredient(string Name, float Amount);
-    {
-
-        public Ingredient(string name, float amount, Quantity quantity)
-        {
-            Name = name;
-            Amount = amount;
-            Quantity = quantity;
-        }
-
-        public string Name { get; init; }
-        public float Amount { get; init; }
-        public Quantity Quantity { get; init; }
-    }
 }

Models/PreparationStep.cs

@@ -1,15 +1,5 @@
 namespace Models
 {
 
-    public class PreparationStep
+    public record PreparationStep(string Name, string Description);
-    {
-        public PreparationStep(string name, string description)
-        {
-            Name = name;
-            Description = description;
-        }
-
-        public string Name { get; init; }
-        public string Description { get; init; }
-    }
 }

Models/Quantity.cs

@@ -1,6 +0,0 @@
-namespace Models
-{
-    public class Quantity
-    {
-    }
-}

Models/Recipe.cs

@@ -1,25 +1,10 @@
-namespace Models
+using System.Collections.Immutable;
-{
-    public class Recipe
-    {
-
-        public RecipeInfo Info { get; init; }
-
-        public User Owner { get; init; }
 
-        public List<Ingredient> Ingredients { get; init; }
+namespace Models
-        public List<PreparationStep> Steps { get; init; }
+{
-
+    public record Recipe(
-        public Recipe(
+            RecipeInfo Info,
-            RecipeInfo info,
+            User Owner,
-            User owner,
+            ImmutableList<Ingredient> Ingredients,
-            List<Ingredient> ingredients,
+            ImmutableList<PreparationStep> Steps);
-            List<PreparationStep> steps)
-        {
-            Info = info;
-            Owner = owner;
-            Ingredients = ingredients;
-            Steps = steps;
-        }
-    }
 }

Models/RecipeBuilder.cs

@@ -0,0 +1,65 @@
+using System;
+using System.Collections.Generic;
+using System.Collections.Immutable;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace Models
+{
+    public class RecipeBuilder
+    {
+        private readonly string name;
+        private readonly User owner;
+
+        private uint callPerPers;
+        private uint cookTimeMins;
+        private Uri? image;
+
+        private List<Ingredient> ingredients = new List<Ingredient>();
+        private List<PreparationStep> steps = new List<PreparationStep>();
+
+
+        public RecipeBuilder(string name, User owner) 
+        {
+            this.name = name;
+            this.owner = owner;
+        }
+
+        public RecipeBuilder SetCallPerPers(uint callPerPers)
+        {
+            this.callPerPers = callPerPers;
+            return this;
+        }
+
+        public RecipeBuilder SetCookTimeMins(uint cookTimeMins)
+        {
+            this.cookTimeMins = cookTimeMins;
+            return this;
+        }
+
+        public RecipeBuilder SetImage(Uri image)
+        {
+            this.image = image;
+            return this;
+        }
+
+        public RecipeBuilder AddIngredient(Ingredient ingredient)
+        {
+            this.ingredients.Add(ingredient);
+            return this;
+        }
+
+        public RecipeBuilder AddStep(PreparationStep step)
+        {
+            this.steps.Add(step);
+            return this;
+        }
+
+        public Recipe Build()
+        {
+            RecipeInfo info = new RecipeInfo(name, callPerPers, cookTimeMins, image, 0, Guid.NewGuid());
+            return new Recipe(info, owner, ingredients.ToImmutableList(), steps.ToImmutableList());
+        }
+    }
+}

Models/RecipeInfo.cs

@@ -1,18 +1,10 @@
 namespace Models
 {
-    public class RecipeInfo
+    public record RecipeInfo(
-    {
+        string Name,
-        public string Name { get; init; }
+        uint CalPerPers,
-        public string Description { get; init; }
+        uint CookTimeMins,
-        public Uri Image { get; init; }
+        Uri? Image,
-        public float AverageNote { get; init; }
+        float AverageNote,
-
+        Guid Id);
-        public RecipeInfo(string name, string description, Uri image, float averageNote)
-        {
-            Name = name;
-            Description = description;
-            Image = image;
-            AverageNote = averageNote;
-        }
-    }
 }

Models/User.cs

@@ -1,15 +1,4 @@
 namespace Models
 {
-    public class User
+    public record User(Uri ProfilePicture, string Name);
-    {
-
-        public User(Uri profilePicture, string name)
-        {
-            ProfilePicture = profilePicture;
-            Name = name;
-        }
-
-        public Uri ProfilePicture { get; init; }
-        public string Name { get; init; }
-    }
 }

ShoopNCook.csproj

@@ -196,9 +196,7 @@
 	</ItemGroup>
 
 	<ProjectExtensions>
-		<VisualStudio>
+		<VisualStudio><UserProperties XamarinHotReloadDebuggerTimeoutExceptionShoopNCookHideInfoBar="True" XamarinHotReloadGenericExceptionInfoBarShoopNCookHideInfoBar="True" XamarinHotReloadUnhandledDeviceExceptionShoopNCookHideInfoBar="True" /></VisualStudio>
-			<UserProperties XamarinHotReloadDebuggerTimeoutExceptionShoopNCookHideInfoBar="True" XamarinHotReloadUnhandledDeviceExceptionShoopNCookHideInfoBar="True" />
-		</VisualStudio>
 	</ProjectExtensions>
 
 </Project>

Views/Components/IngredientEntry.xaml

@@ -21,7 +21,8 @@
                 <Entry 
                     Style="{StaticResource UserInput}"
                     Placeholder="Ingredient Name"
-                    HeightRequest="40"/>
+                    HeightRequest="40"
+                    x:Name="NameEntry"/>
             </Border>
             <Border
                 Grid.Column="1"
@@ -32,7 +33,9 @@
                 <Entry 
                     Style="{StaticResource UserInput}"
                     Placeholder="Quantity"
-                    HeightRequest="40"/>
+                    HeightRequest="40"
+                    Keyboard="Numeric"
+                    x:Name="QuantityEntry"/>
             </Border>
             <Border
                 Grid.Column="2"
@@ -44,7 +47,8 @@
                     Title="Unit"
                     TextColor="{StaticResource TextColorPrimary}"
                     TitleColor="{StaticResource TextColorSecondary}"
-                    FontFamily="PoppinsMedium">
+                    FontFamily="PoppinsMedium"
+                    x:Name="UnitPicker">
                     <Picker.ItemsSource>
                         <x:Array Type="{x:Type x:String}">
                             <x:String>G</x:String>

Views/Components/IngredientEntry.xaml.cs

@@ -1,3 +1,5 @@
+using Models;
+
 namespace ShoopNCook.Views;
 
 public partial class IngredientEntry : ContentView
@@ -6,4 +8,17 @@ public partial class IngredientEntry : ContentView
 	{
 		InitializeComponent();
 	}
+
+	public Ingredient MakeValue()
+	{
+        float quantity;
+
+        if (!float.TryParse(QuantityEntry.Text, out quantity))
+        {
+            quantity = 0;
+            // TODO handle quantity text malformation by raising exception 
+        }
+
+        return new Ingredient(NameEntry.Text, quantity);
+    }
 }

Views/Components/IngredientView.xaml.cs

@@ -1,3 +1,5 @@
+using Models;
+
 namespace ShoopNCook.Views;
 
 public partial class IngredientView : ContentView
@@ -30,12 +32,13 @@ public partial class IngredientView : ContentView
         set => SetValue(UnitProperty, value);
     }
 
-    public IngredientView(string name, float quantity, string unit)
+    public IngredientView(Ingredient ingredient)
     {
         InitializeComponent();
 
-        Name = name;
+        Name = ingredient.Name;
-        Quantity = quantity;
+        Quantity = ingredient.Amount;
-        Unit = unit;
+        //TODO Unit implementation in IngredientView.xaml.cs
+        Unit = "TODO: Unit implementation in IngredientView.xaml.cs";
     }
 }

Views/Components/OwnedRecipeView.xaml

@@ -12,13 +12,20 @@
             MinimumHeightRequest="175"
             MinimumWidthRequest="150"
             RowDefinitions="*, Auto">
+
+            <Grid.GestureRecognizers>
+                <TapGestureRecognizer 
+                    Tapped="OnViewTapped" 
+                    NumberOfTapsRequired="1"/>
+            </Grid.GestureRecognizers>
+
             <Border
                 Grid.Row="0"
                 Stroke="Transparent"
                 StrokeShape="RoundRectangle 20"
                 BackgroundColor="{StaticResource ImageBackground}">
                 <Grid>
-                    <Image />
+                    <Image x:Name="RecipeImage" />
                     <HorizontalStackLayout
                         x:Name="Stars"
                         VerticalOptions="End"
@@ -60,7 +67,7 @@
                         >
                         <Grid.GestureRecognizers>
                             <TapGestureRecognizer 
-                                Tapped="TapGestureRecognizer_Tapped" 
+                                Tapped="OnRemoveButtonTapped" 
                                 NumberOfTapsRequired="1"/>
                         </Grid.GestureRecognizers>
                         <Image

Views/Components/OwnedRecipeView.xaml.cs

@@ -1,18 +1,32 @@
+using Models;
+
 namespace ShoopNCook.Views;
 
 public partial class OwnedRecipeView : ContentView
 {
 
-    public OwnedRecipeView() : this(5, "Title")
+    private readonly Action clickCallback;
-    { }
+    private readonly Action removeCallback;
+    private readonly RecipeInfo recipeInfo;
 
-    public OwnedRecipeView(float note, string title)
+    public OwnedRecipeView(RecipeInfo info, Action onClickCallback, Action onRemoveCallback)
     {
         InitializeComponent();
-        Note = note;
+
-        Title = title;
+        if (info.Image != null)
+            RecipeImage.Source = ImageSource.FromUri(info.Image);
+        Note = info.AverageNote;
+        Title = info.Name;
+
+        this.recipeInfo = info;
+        this.clickCallback = onClickCallback;
+        this.removeCallback = onRemoveCallback;
     }
 
+    public bool IsViewing(RecipeInfo info)
+    {
+        return recipeInfo == info;
+    }
     public float Note
     {
         set => SetNote(value);
@@ -25,20 +39,25 @@ public partial class OwnedRecipeView : ContentView
 
     private void SetNote(float note)
     {
-        int i = 1;
+        note = (uint)note; //truncate integer as we currently do not handle semi stars
-        foreach (Image img in Stars.Children)
+        foreach (Image img in Stars.Children.Reverse())
         {
-            if (i <= note)
+            if (note > 0)
             {
-                img.Opacity = 0;
+                img.Opacity = 1;
-                i++;
+                note--;
+            }
+            else img.Opacity = 0;
         }
-            else img.Opacity = 1;
     }
+
+    private void OnViewTapped(object sender, TappedEventArgs e)
+    {
+        clickCallback();
     }
 
-    private void TapGestureRecognizer_Tapped(object sender, TappedEventArgs e)
+    private void OnRemoveButtonTapped(object sender, TappedEventArgs e)
     {
-        Console.WriteLine("This is a test");
+        removeCallback();
     }
 }

Views/Components/RecipeView.xaml.cs

@@ -1,21 +1,29 @@
 using ShoopNCook.Pages;
-
+using Models;
 namespace ShoopNCook.Views;
 
 public partial class RecipeView : ContentView
 {
 
-	public RecipeView(): this(5, "Title", "Subtitle")
+    private readonly Action callback;
-	{}
 
-	public RecipeView(float note, string title, string subtitle)
+	public RecipeView(RecipeInfo info, Action onClickCallback)
 	{
 		InitializeComponent();
-        Note = note;
+
-        Title = title;
+        if (info.Image != null)
-        Subtitle = subtitle;
+            RecipeImage.Source = ImageSource.FromUri(info.Image);
+
+        Note = info.AverageNote;
+        Title = info.Name;
+        Subtitle = info.CookTimeMins + " min";
+
+        callback = onClickCallback;
+
     }
 
+
+
     public float Note
     {
         set => SetNote(value);
@@ -31,22 +39,21 @@ public partial class RecipeView : ContentView
         set => SubtitleLabel.Text = value;
     }
 
-
     private void SetNote(float note)
     {
-        int i = 1;
+        note = (uint)note; //truncate integer as we currently do not handle semi stars
-        foreach (Image img in Stars.Children)
+        foreach (Image img in Stars.Children.Reverse())
         {
-            if (i <= note)
+            if (note > 0)
             {
-                img.Opacity = 0;
+                img.Opacity = 1;
-                i++;
+                note--;
             }
-            else img.Opacity = 1;
+            else img.Opacity = 0;
         }
     }
-    private async void OnRecipeTapped(object sender, EventArgs e)
+    private void OnRecipeTapped(object sender, EventArgs e)
     {
-        await Shell.Current.Navigation.PushAsync(new RecipePage());
+        callback();
     }
 }

Views/Components/StepEntry.xaml

@@ -22,7 +22,8 @@
                 MaxLength="10000"
                 Style="{StaticResource UserInput}"
                 AutoSize="TextChanges"
-                FontSize="15"/>
+                FontSize="15"
+                x:Name="StepEditor"/>
         </Border>
 
     </VerticalStackLayout>

Views/Components/StepEntry.xaml.cs

@@ -1,3 +1,5 @@
+using Models;
+
 namespace ShoopNCook.Views;
 
 public partial class StepEntry : ContentView
@@ -12,6 +14,11 @@ public partial class StepEntry : ContentView
 		Ordinal = ordinal;
 	}
 
+	public PreparationStep MakeStep()
+	{
+		return new PreparationStep("Step " + Ordinal, StepEditor.Text);
+	}
+
 	public uint Ordinal { 
 		get => uint.Parse(OrdinalLabel.Text);
 		set => OrdinalLabel.Text = value.ToString();

Views/Components/StoredRecipeView.xaml

@@ -14,13 +14,18 @@
             MinimumHeightRequest="250"
             MinimumWidthRequest="150"
             RowDefinitions="*, Auto">
+
+            <Grid.GestureRecognizers>
+                <TapGestureRecognizer Tapped="OnRecipeTapped"/>
+            </Grid.GestureRecognizers>
+
             <Border
                 Grid.Row="0"
                 Stroke="Transparent"
                 StrokeShape="RoundRectangle 20"
                 BackgroundColor="{StaticResource ImageBackground}">
                 <Grid>
-                    <Image />
+                    <Image x:Name="RecipeImage"/>
                     <HorizontalStackLayout
                         x:Name="Stars"
                         VerticalOptions="End"
@@ -51,8 +56,9 @@
                 <Label
                     TextColor="{StaticResource TextColorPrimary}"
                     x:Name="TitleLabel"/>
-                <Grid></Grid>
+                <views:CounterView 
-                <views:CounterView CounterText="pers"/>
+                    CounterText="pers"
+                    x:Name="Counter"/>
             </VerticalStackLayout>
         </Grid>
     </Border>

Views/Components/StoredRecipeView.xaml.cs

@@ -1,16 +1,24 @@
+using Models;
+
 namespace ShoopNCook.Views;
 
 public partial class StoredRecipeView : ContentView
 {
 
-    public StoredRecipeView() : this(5, "Title")
+    private readonly Action<uint> clickCallback;
-    { }
+
 
-    public StoredRecipeView(float note, string title)
+    public StoredRecipeView(RecipeInfo info, uint personCount, Action<uint> onClickCallback)
     {
         InitializeComponent();
-        Note = note;
+
-        Title = title;
+        if (info.Image != null)
+            RecipeImage.Source = ImageSource.FromUri(info.Image);
+
+        Note = info.AverageNote;
+        Title = info.Name;
+        clickCallback = onClickCallback;
+        Counter.Count = personCount;
     }
 
     public float Note
@@ -23,19 +31,22 @@ public partial class StoredRecipeView : ContentView
         set => TitleLabel.Text = value;
     }
 
-
-
     private void SetNote(float note)
     {
-        int i = 1;
+        note = (uint)note; //truncate integer as we currently do not handle semi stars
-        foreach (Image img in Stars.Children)
+        foreach (Image img in Stars.Children.Reverse())
         {
-            if (i <= note)
+            if (note > 0)
             {
-                img.Opacity = 0;
+                img.Opacity = 1;
-                i++;
+                note--;
+            }
+            else img.Opacity = 0;
         }
-            else img.Opacity = 1;
     }
+
+    private void OnRecipeTapped(object sender, TappedEventArgs e)
+    {
+        clickCallback(Counter.Count);
     }
 }

Views/ConfirmMail.xaml

@@ -21,7 +21,8 @@
            
                         HeightRequest="50"
                         WidthRequest="50"
-                        Source="arrow_back.svg"/>
+                        Source="arrow_back.svg"
+                        Clicked="OnBackButtonClicked"/>
                 </HorizontalStackLayout>
                 <Label 
                     Margin="-40,10,0,0"
@@ -78,7 +79,8 @@
                             BackgroundColor="{StaticResource ActionButton}"
                             FontFamily="PoppinsMedium"
                             TextColor="White"
-                            Text="That's been my email"/>
+                            Text="That's been my email"
+                            />
                     </Border>
                 </VerticalStackLayout>
             </Grid>
@@ -136,7 +138,8 @@
                         BackgroundColor="{StaticResource ActionButton}"
                         FontFamily="PoppinsMedium"
                         TextColor="White"
-                        Text="Confirm my email"/>
+                        Text="Confirm my email"
+                        Clicked="OnRegiterButtonTapped"/>
                 </Border>
             </VerticalStackLayout>
 

Views/ConfirmMail.xaml.cs

@@ -6,4 +6,12 @@ public partial class ConfirmMail : ContentPage
 	{
 		InitializeComponent();
 	}
+    private async void OnRegiterButtonTapped(object sender, EventArgs e)
+    {
+        await Shell.Current.GoToAsync("//LoginPage");
+    }
+    private async void OnBackButtonClicked(object sender, EventArgs e)
+    {
+        await Navigation.PopAsync();
+    }
 }

Views/CreateRecipePage.xaml

@@ -56,6 +56,7 @@
                         VerticalOptions="End"
                         TranslationY="20"
                         TranslationX="-20">
+                        
                         <ImageButton
                             Source="edit.svg"
                             WidthRequest="30"/>
@@ -66,7 +67,8 @@
                     <!--Ingredients-->
                     <Entry
                         Style="{StaticResource UserInput}"
-                        Placeholder="Specify your recipe name"/>
+                        Placeholder="Specify your recipe name"
+                        x:Name="RecipeNameEntry"/>
                     <Label
                         Style="{StaticResource h2}"
                         Text="Ingredient list (for 1 person)"/>
@@ -115,6 +117,21 @@
                             Text="minutes"/>
                     </HorizontalStackLayout>
 
+                    <HorizontalStackLayout>
+                        <Label
+                            Style="{StaticResource h3}"
+                            VerticalTextAlignment="Center"
+                            Text="Estimated cal/persons: "/>
+                        <Entry
+                            Style="{StaticResource UserInput}"
+                            Keyboard="Numeric"
+                            x:Name="EnergyInput"/>
+                        <Label
+                            Style="{StaticResource h3}"
+                            VerticalTextAlignment="Center"
+                            Text="cal/pers"/>
+                    </HorizontalStackLayout>
+
                     <!--Preparation entry steps list-->
                     <Label
                         Style="{StaticResource h2}"
@@ -154,7 +171,8 @@
             Grid.Row="3"
             Style="{StaticResource UserButton}"
             BackgroundColor="{StaticResource ActionButton}"
-            Text="Upload recipe"/>
+            Text="Upload recipe"
+            Clicked="OnUploadRecipeClicked"/>
     </Grid>
     
 </ContentPage>

Views/CreateRecipePage.xaml.cs

@@ -1,12 +1,21 @@
+using Models;
 using ShoopNCook.Views;
 
 namespace ShoopNCook.Pages;
 
 public partial class CreateRecipePage : ContentPage
 {
-	public CreateRecipePage()
+
+    private User owner;
+    private Action<Recipe> onRecipeCreated;
+    private IUserNotifier notifier;
+
+	public CreateRecipePage(User owner, IUserNotifier notifier, Action<Recipe> onRecipeCreated)
 	{
 		InitializeComponent();
+        this.owner = owner;
+        this.onRecipeCreated = onRecipeCreated;
+        this.notifier = notifier;
 	}
 
     private void OnAddIngredientTapped(object sender, TappedEventArgs e)
@@ -18,8 +27,48 @@ public partial class CreateRecipePage : ContentPage
     {
         StepList.Children.Add(new StepEntry((uint) StepList.Children.Count() + 1));
     }
-    private async void OnBackButtonClicked(object sender, EventArgs e)
+    private void OnBackButtonClicked(object sender, EventArgs e)
+    {
+        Navigation.PopAsync();
+    }
+
+    private void OnUploadRecipeClicked(object sender, EventArgs e)
     {
-        await Navigation.PopAsync();
+
+        uint callPerPers;
+        uint cookTimeMins;
+        bool hadErrors = false;
+
+        if (!uint.TryParse(EnergyInput.Text, out callPerPers))
+        {
+            hadErrors = true;
+            //TODO change EnergyInput background to red.
+        }
+
+        if (!uint.TryParse(CookTimeInput.Text, out cookTimeMins))
+        {
+            hadErrors = true;
+            //TODO change CookTimeInput background to red.
+        }
+
+        if (hadErrors)
+        {
+            notifier.Error("You need to fix input errors before upload.");
+            return;
+        }
+
+        RecipeBuilder builder = new RecipeBuilder(RecipeNameEntry.Text, owner)
+            .SetCallPerPers(callPerPers)
+            .SetCookTimeMins(cookTimeMins)
+     //TODO .SetImage(RecipeImage)
+            ;
+
+        foreach (IngredientEntry entry in IngredientList.Children)
+            builder.AddIngredient(entry.MakeValue());
+
+        foreach (StepEntry entry in StepList.Children)
+            builder.AddStep(entry.MakeStep());
+
+        onRecipeCreated(builder.Build());
     }
 }

Views/FavoritesPage.xaml

@@ -4,7 +4,8 @@
              x:Class="ShoopNCook.Pages.FavoritesPage"
              Title="FavoritesPage"
              xmlns:views="clr-namespace:ShoopNCook.Views"
-             BackgroundColor="{StaticResource BackgroundPrimary}">
+             BackgroundColor="{StaticResource BackgroundPrimary}"
+             NavigatedTo="ContentPage_NavigatedTo">
     
     <Grid
         RowDefinitions="Auto, *">
@@ -15,7 +16,6 @@
             ColumnDefinitions="*"
             MaximumHeightRequest="60">
 
-
             <Label 
                 Grid.Column="0"
                 FontSize="24"
@@ -35,18 +35,9 @@
                 AlignItems="Start"
                 AlignContent="Start"
                 Direction="Row"
-                Wrap="Wrap">
+                Wrap="Wrap"
+                x:Name="RecipeViewLayout">
                 
-                <views:RecipeView Margin="5" Note="4.5" Title="Spaghetti Bolognese" Subtitle="30 min"/>
-                <views:RecipeView Margin="5" Note="3" Title="Chickend Curry" Subtitle="45 min"/>
-                <views:RecipeView Margin="5" Note="0.2" Title="Beef Stroganoff" Subtitle="10 min"/>
-                <views:RecipeView Margin="5" Note="1.6" Title="Fish And Ships" Subtitle="15 min"/>
-                <views:RecipeView Margin="5" Note="5" Title="Caesar Salad" Subtitle="20 min"/>
-                <views:RecipeView Margin="5" Note="3.5" Title="Vegetables" Subtitle="60 min"/>
-                <views:RecipeView Margin="5" Note="4.6" Title="Guacamole" Subtitle="90 min"/>
-                <views:RecipeView Margin="5" Note="4" Title="Pad Thai" Subtitle="10 min"/>
-                <views:RecipeView Margin="5" Note="3" Title="French Toast" Subtitle="5 min"/>
-                <views:RecipeView Margin="5" Note="2" Title="Margherita Pizza" Subtitle="2 min"/>
             </FlexLayout>
         </ScrollView>
     </Grid>

Views/FavoritesPage.xaml.cs

@@ -2,11 +2,45 @@ using Models;
 
 namespace ShoopNCook.Pages;
 
+using Endpoint;
+using LocalEndpoint;
+using Models;
+using ShoopNCook.Views;
+using System.Security.Principal;
+
 public partial class FavoritesPage : ContentPage
 {
-    public FavoritesPage(Account account, IApp app)
+
+    private readonly Account account;
+    private readonly IUserNotifier notifier;
+    private IRecipesService service;
+
+    public FavoritesPage(Account account, IUserNotifier notifier, IRecipesService service)
     {
         InitializeComponent();
+        this.account = account;
+        this.notifier = notifier;
+        this.service = service;
+
+        UpdateFavorites();
+    }
+
+    private void UpdateFavorites()
+    {
+        IAccountRecipesPreferences preferences = service.GetPreferencesOf(account);
+        RecipeViewLayout.Children.Clear();
+        preferences.GetFavorites().ForEach(info =>
+        {
+            RecipeViewLayout.Children.Add(new RecipeView(info, () =>
+            {
+                Recipe recipe = service.GetRecipe(info);
+                Shell.Current.Navigation.PushAsync(new RecipePage(recipe, notifier, preferences, 1));
+            }));
+        });
     }
 
+    private void ContentPage_NavigatedTo(object sender, NavigatedToEventArgs e)
+    {
+        UpdateFavorites();
+    }
 }

Views/HomePage.xaml

@@ -62,7 +62,7 @@
                     Margin="20"
                     HeightRequest="30">
                     <Label 
-                        Text="Popular recipe" 
+                        Text="Popular recipes" 
                         Style="{StaticResource h2}"/>
 
                     <Label 
@@ -75,12 +75,9 @@
                     Orientation="Horizontal">
                     <HorizontalStackLayout 
                         Spacing="10"
-                        Padding="0,0,0,40">
+                        Padding="0,0,0,40"
-                        <views:RecipeView/>
+                        x:Name="PopularsList">
-                        <views:RecipeView/>
+                        
-                        <views:RecipeView/>
-                        <views:RecipeView/>
-                        <views:RecipeView/>
                     </HorizontalStackLayout>
                 </ScrollView>
 
@@ -109,14 +106,9 @@
                         AlignItems="Start"
                         AlignContent="Start"
                         Direction="Row"
-                        Wrap="Wrap">
+                        Wrap="Wrap"
-                    <views:RecipeView Margin="2.5"/>
+                        x:Name="RecommendedList">
-                    <views:RecipeView Margin="2.5"/>
+                    
-                    <views:RecipeView Margin="2.5"/>
-                    <views:RecipeView Margin="2.5"/>
-                    <views:RecipeView Margin="2.5"/>
-                    <views:RecipeView Margin="2.5"/>
-                    <views:RecipeView Margin="2.5"/>
                     </FlexLayout>
                 </ScrollView>
             </VerticalStackLayout>

Views/HomePage.xaml.cs

@@ -1,17 +1,42 @@
-using Models;
 
 namespace ShoopNCook.Pages;
+using Models;
+using ShoopNCook.Views;
+using Endpoint;
+using LocalEndpoint;
 
 public partial class HomePage : ContentPage
 {
-	public HomePage(Account account, IApp app)
+	public HomePage(Account account, IUserNotifier notifier, IEndpoint endpoint)
     {
 		InitializeComponent();
+
+        IRecipesService service = endpoint.RecipesService;
+        IAccountRecipesPreferences preferences = service.GetPreferencesOf(account);
+
+
+        //TODO this code can be factorised
+        void PushRecipe(Layout layout, RecipeInfo info)
+        {
+            layout.Children.Add(new RecipeView(info, () =>
+            {
+                Recipe recipe = service.GetRecipe(info);
+                Shell.Current.Navigation.PushAsync(new RecipePage(recipe, notifier, preferences, 1));
+            }));
+        }
+
+        service.PopularRecipes().ForEach(recipe => PushRecipe(PopularsList, recipe));
+        preferences.GetRecommendedRecipes().ForEach(recipe => PushRecipe(RecommendedList, recipe));
+
         ProfilePictureImage.Source = ImageSource.FromUri(account.User.ProfilePicture);
         ProfilePictureName.Text = account.User.Name;
 	}
-    private async void OnSyncButtonClicked(object sender, EventArgs e)
+
+
+    
+
+    private void OnSyncButtonClicked(object sender, EventArgs e)
     {
-        await Shell.Current.Navigation.PushAsync(new SearchPage());
+        Shell.Current.Navigation.PushAsync(new SearchPage());
     }
 }

Views/MorePage.xaml.cs

@@ -16,14 +16,14 @@ public partial class MorePage : ContentPage
         this.controller = controller;
     }
 
-    private async void OnMyRecipesButtonTapped(object sender, EventArgs e)
+    private void OnMyRecipesButtonTapped(object sender, EventArgs e)
     {
-        await Shell.Current.Navigation.PushAsync(new MyRecipesPage());
+        controller.GoToMyRecipesPage();
     }
     
-    private async void OnEditProfileButtonTapped(object sender, EventArgs e)
+    private void OnEditProfileButtonTapped(object sender, EventArgs e)
     {
-        await Shell.Current.Navigation.PushAsync(new ProfilePage());
+        controller.GoToProfilePage();
     }
     
     private void OnLogoutButtonTapped(object sender, EventArgs e)

Views/MyListPage.xaml

@@ -4,7 +4,8 @@
              x:Class="ShoopNCook.Pages.MyListPage"
              Title="MyList"
              BackgroundColor="{StaticResource BackgroundPrimary}"
-             xmlns:views="clr-namespace:ShoopNCook.Views">
+             xmlns:views="clr-namespace:ShoopNCook.Views"
+             NavigatedTo="ContentPage_NavigatedTo">
     <Grid
          RowDefinitions="Auto, *, Auto">
         <!-- Header label and return button -->
@@ -32,23 +33,13 @@
                 VerticalOptions="Center"/>
         </Grid>
 
-        <!-- Favorite items -->
+        <!-- Account Recipe List items -->
         <ScrollView
             Grid.Row="1">
             <VerticalStackLayout
                 Padding="30, 0, 30, 0"
-                Spacing="12">
+                Spacing="12"
-
+                x:Name="RecipesLayout">
-                <views:StoredRecipeView Note="4.5" Title="Spaghetti Bolognese"/>
-                <views:StoredRecipeView Note="3" Title="Chickend Curry"/>
-                <views:StoredRecipeView Note="0.2" Title="Beef Stroganoff"/>
-                <views:StoredRecipeView Note="1.6" Title="Fish And Ships" />
-                <views:StoredRecipeView Note="5" Title="Caesar Salad"/>
-                <views:StoredRecipeView Note="3.5" Title="Vegetables"/>
-                <views:StoredRecipeView Note="4.6" Title="Guacamole"/>
-                <views:StoredRecipeView Note="4" Title="Pad Thai"/>
-                <views:StoredRecipeView Note="3" Title="French Toast"/>
-                <views:StoredRecipeView Note="2" Title="Margherita Pizza"/>
             </VerticalStackLayout>
         </ScrollView>
 

Views/MyListPage.xaml.cs

@@ -1,11 +1,44 @@
+using Endpoint;
+using LocalEndpoint;
 using Models;
+using ShoopNCook.Views;
 
 namespace ShoopNCook.Pages;
 
 public partial class MyListPage : ContentPage
 {
-	public MyListPage(Account account, IApp app)
+
+    private readonly IAccountRecipesPreferences preferences;
+    private readonly IUserNotifier notifier;
+    private readonly IRecipesService service;
+
+	public MyListPage(Account account, IUserNotifier notifier, IRecipesService service)
     {
 		InitializeComponent();
+
+        this.preferences = service.GetPreferencesOf(account);
+        this.notifier = notifier;
+        this.service = service;
+
+        UpdateMyList();
+    }
+
+    private void UpdateMyList()
+    {
+        RecipesLayout.Children.Clear();
+        preferences.GetWeeklyList().ForEach(tuple =>
+        {
+            RecipeInfo info = tuple.Item1;
+            RecipesLayout.Children.Add(new StoredRecipeView(info, tuple.Item2, amount =>
+            {
+                Recipe recipe = service.GetRecipe(info);
+                Shell.Current.Navigation.PushAsync(new RecipePage(recipe, notifier, preferences, amount));
+            }));
+        });
+    }
+
+    private void ContentPage_NavigatedTo(object sender, NavigatedToEventArgs e)
+    {
+        UpdateMyList();
     }
 }

Views/MyRecipesPage.xaml

@@ -38,18 +38,9 @@
                 AlignItems="Start"
                 AlignContent="Start"
                 Direction="Row"
-                Wrap="Wrap">
+                Wrap="Wrap"
+                x:Name="RecipesLayout">
 
-                <views:OwnedRecipeView Margin="5" Note="4.5" Title="Spaghetti Bolognese"/>
-                <views:OwnedRecipeView Margin="5" Note="3" Title="Chickend Curry"/>
-                <views:OwnedRecipeView Margin="5" Note="0.2" Title="Beef Stroganoff"/>
-                <views:OwnedRecipeView Margin="5" Note="1.6" Title="Fish And Ships"/>
-                <views:OwnedRecipeView Margin="5" Note="5" Title="Caesar Salad"/>
-                <views:OwnedRecipeView Margin="5" Note="3.5" Title="Vegetables"/>
-                <views:OwnedRecipeView Margin="5" Note="4.6" Title="Guacamole"/>
-                <views:OwnedRecipeView Margin="5" Note="4" Title="Pad Thai"/>
-                <views:OwnedRecipeView Margin="5" Note="3" Title="French Toast"/>
-                <views:OwnedRecipeView Margin="5" Note="2" Title="Margherita Pizza"/>
             </FlexLayout>
         </ScrollView>
 
@@ -61,7 +52,7 @@
                 Style="{StaticResource UserButton}"
                 BackgroundColor="{StaticResource Selected}"
                 Text="Add a new recipe"
-                Clicked="AddRecipeButtonClicked"/>
+                Clicked="OnAddRecipeButtonClicked"/>
         </Border>
     </Grid>
 </ContentPage>

Views/MyRecipesPage.xaml.cs

@@ -1,19 +1,85 @@
+using Endpoint;
+using LocalEndpoint;
+using Models;
+using ShoopNCook.Views;
+
 namespace ShoopNCook.Pages;
 
 public partial class MyRecipesPage : ContentPage
 {
-	public MyRecipesPage()
+
+    private IUserNotifier notifier;
+    private IRecipesService service;
+    private Account account;
+
+	public MyRecipesPage(
+            Account account,
+            IRecipesService service,
+            IUserNotifier notifier)
     {
         InitializeComponent();
 
+        this.notifier = notifier;
+        this.service = service;
+        this.account = account;
+
+        service
+            .GetRecipesOf(account)
+            .GetAccountRecipes()
+            .ForEach(AddRecipeView);
+    }
+
+    private void AddRecipeView(RecipeInfo info)
+    {
+        RecipesLayout.Children.Add(new OwnedRecipeView(info, () =>
+        {
+            Recipe recipe = service.GetRecipe(info);
+            IAccountRecipesPreferences preferences = service.GetPreferencesOf(account);
+            Shell.Current.Navigation.PushAsync(new RecipePage(recipe, notifier, preferences, 1));
+        },
+            () => RemoveRecipe(info)
+        ));
+    }
+
+    private void RemoveRecipe(RecipeInfo info)
+    {
+        IAccountOwnedRecipes recipes = service.GetRecipesOf(account);
+
+        if (!recipes.RemoveRecipe(info))
+        {
+            notifier.Error("Could not remove recipe");
+            return;
         }
-    private async void OnBackButtonClicked(object sender, EventArgs e)
+        foreach (OwnedRecipeView view in RecipesLayout.Children)
+        {
+            if (view.IsViewing(info))
             {
-        await Navigation.PopAsync();
+                RecipesLayout.Remove(view);
+                break;
             }
-    private async void AddRecipeButtonClicked(object sender, EventArgs e)
+        }
+        notifier.Success("Recipe successfully removed");
+    }
+
+    private void OnBackButtonClicked(object sender, EventArgs e)
     {
-        await Shell.Current.Navigation.PushAsync(new CreateRecipePage());
+        Navigation.PopAsync();
+    }
+    private void OnAddRecipeButtonClicked(object sender, EventArgs e)
+    {
+        IAccountOwnedRecipes recipes = service.GetRecipesOf(account);
 
+        var page = new CreateRecipePage(account.User, notifier, recipe =>
+        {
+            if (!recipes.UploadRecipe(recipe))
+            {
+                notifier.Error("Could not upload recipe.");
+                return;
+            }
+            notifier.Success("Recipe Successfuly uploaded !");
+            AddRecipeView(recipe.Info);
+            Shell.Current.Navigation.PopAsync(); //go back to current recipe page.
+        });
+        Shell.Current.Navigation.PushAsync(page); //display RecipePage editor
     }
 }

Views/ProfilePage.xaml.cs

@@ -1,8 +1,10 @@
+using Models;
+
 namespace ShoopNCook.Pages;
 
 public partial class ProfilePage : ContentPage
 {
-	public ProfilePage()
+	public ProfilePage(Account account)
 	{
 		InitializeComponent();
 	}

Views/RecipePage.xaml

@@ -8,7 +8,6 @@
              BackgroundColor="{StaticResource BackgroundPrimary}">
     
     <Grid
-       
         RowDefinitions="90*, 10*"
         Padding="10">
         
@@ -51,7 +50,8 @@
                     StrokeShape="RoundRectangle 20"
                     BackgroundColor="{StaticResource ImageBackground}">
                     <Image 
-                        HeightRequest="250"/>
+                        HeightRequest="250"
+                        x:Name="RecipeImage"/>
                 </Border>
 
                 <!--Steps-->
@@ -146,7 +146,8 @@
                             BackgroundColor="{StaticResource Selected}"
                             VerticalOptions="Center"
                             HorizontalOptions="Center"
-                            Text="Submit"/>
+                            Text="Submit"
+                            Clicked="OnSubmitReviewClicked"/>
                     </Border>
                 </HorizontalStackLayout>
             </Grid>
@@ -170,7 +171,8 @@
                 Text="Add to list"
                 Style="{StaticResource UserButton}"
                 TextColor="White"
-                BackgroundColor="Gray">
+                BackgroundColor="Gray"
+                Clicked="OnAddToMyListClicked">
             </Button>
         </FlexLayout>
     </Grid>

Views/RecipePage.xaml.cs

@@ -1,5 +1,8 @@
 using ShoopNCook.Views;
 using System.Windows.Input;
+using Models;
+using LocalEndpoint;
+using Endpoint;
 
 namespace ShoopNCook.Pages;
 
@@ -9,53 +12,51 @@ public partial class RecipePage : ContentPage
     private uint note;
     private bool isFavorite;
 
-    public ICommand StarCommand => new Command<string>(count =>
+
-    {
+    private IAccountRecipesPreferences preferences;
-        SetNote(uint.Parse(count));
+    private IUserNotifier notifier;
-    });
+    private RecipeInfo info;
-
+
-    public RecipePage() :
+    public ICommand StarCommand => new Command<string>(count => SetNote(uint.Parse(count)));
-        this("Recipe Sample", 32, 250,
+
-            true, 2, 0,
+    public RecipePage(Recipe recipe, IUserNotifier notifier, IAccountRecipesPreferences preferences, uint amount)
-            new List<IngredientView> {
-                new IngredientView("Chocolate", 25, "g"),
-                new IngredientView("Flour", 250, "g"),
-                new IngredientView("Sugar", 0.5F, "kg")
-            },
-            new List<string> { "This is the first preparation step", "add to furnace and wait", "Enjoy !" }
-        )
-    {}
-
-    public RecipePage(
-        string name,
-        uint cookTime,
-        uint energy,
-        bool isFavorite,
-        uint nbPers,
-        uint note,
-        List<IngredientView> ingredients,
-        List<string> steps
-        )
     {
         InitializeComponent();
-        Counter.Count = nbPers;
+
+        this.preferences = preferences;
+        this.notifier = notifier;
+        this.info = recipe.Info;
+
+        AccountRecipeRate rate = preferences.GetRate(recipe.Info);
+
+        note = rate.Rate;
+        isFavorite = rate.IsFavorite;
+
         SetFavorite(isFavorite);
         SetNote(note);
 
-        CookTime.Text = cookTime.ToString();
+        RecipeInfo info = recipe.Info;
-        Energy.Text = energy.ToString();
+
-        RecipeName.Text = name;
+        Counter.Count = amount;
+        CookTime.Text = info.CookTimeMins.ToString();
+        Energy.Text = info.CalPerPers.ToString() + " cal/pers";
+        RecipeName.Text = info.Name;
+
+        if (info.Image != null)
+            RecipeImage.Source = ImageSource.FromUri(info.Image);
 
-        foreach (IngredientView iv in ingredients)
+        foreach (Ingredient ingredient in recipe.Ingredients)
-            IngredientList.Add(iv);
+            IngredientList.Add(new IngredientView(ingredient));
 
+        //retrieves the app's styles
         var styles = Application.Current.Resources.MergedDictionaries.ElementAt(1);
 
         int count = 0;
-        foreach (string step in steps) {
+        foreach (PreparationStep step in recipe.Steps) {
+            //TODO display name of PreparationSteps.
             Label label = new Label();
             label.Style = (Style)styles["Small"];
-            label.Text = "Step " + ++count + ": " + step;
+            label.Text = "Step " + ++count + ": " + step.Description;
             StepList.Add(label);
         }
     }
@@ -72,32 +73,47 @@ public partial class RecipePage : ContentPage
                 i++;
             }
             else
-            {
                 img.Source = ImageSource.FromFile("star_empty.svg");
         }
     }
-    }
 
     private void OnFavorite(object o, EventArgs e)
     {
         SetFavorite(!isFavorite);
     }
 
+    private void OnSubmitReviewClicked(object o, EventArgs e)
+    {
+        preferences.SetReviewScore(info, note);
+        notifier.Success("Your review has been successfuly submited");
+    }
+
+    private void OnAddToMyListClicked(object o, EventArgs e)
+    {
+        if (!preferences.AddToWeeklyList(info, Counter.Count))
+            notifier.Notice("You already added this recipe to you weekly list!");
+        else
+            notifier.Success("Recipe added to your weekly list.");
+    }
+
     private void SetFavorite(bool isFavorite)
     {
         this.isFavorite = isFavorite;
         if (isFavorite)
         {
             Favorite.Source = ImageSource.FromFile("hearth_on.svg");
+            preferences.AddToFavorites(info);
         }
         else
         {
             Favorite.Source = ImageSource.FromFile("hearth_off.svg");
+            preferences.RemoveFromFavorites(info);
         }
     }
-    private async void OnBackButtonClicked(object sender, EventArgs e)
+    private void OnBackButtonClicked(object sender, EventArgs e)
     {
-        await Navigation.PopAsync();
+
+        Navigation.PopAsync();
     }
 
 }

Views/SearchPage.xaml

@@ -105,14 +105,9 @@
                 AlignItems="Start"
                 AlignContent="Start"
                 Direction="Row"
-                Wrap="Wrap">
+                Wrap="Wrap"
-                <views:RecipeView Margin="5"/>
+                x:Name="ResultSearchView">
-                <views:RecipeView Margin="5"/>
+                
-                <views:RecipeView Margin="5"/>
-                <views:RecipeView Margin="5"/>
-                <views:RecipeView Margin="5"/>
-                <views:RecipeView Margin="5"/>
-                <views:RecipeView Margin="5"/>
             </FlexLayout>
         </ScrollView>
 

Views/SearchPage.xaml.cs

@@ -1,10 +1,12 @@
 namespace ShoopNCook.Pages;
-
+using Models;
+using ShoopNCook.Views;
 public partial class SearchPage : ContentPage
 {
 	public SearchPage()
 	{
 		InitializeComponent();
+        //TODO
     }
     private async void OnBackButtonClicked(object sender, EventArgs e)
     {