💾 Persistance avec SQLite (création et bases)

source/Trek-12/DataContractPersistence/DataContractPersistence.csproj

@@ -6,6 +6,10 @@
         <Nullable>enable</Nullable>
     </PropertyGroup>
 
+    <ItemGroup>
+      <PackageReference Include="sqlite-net-pcl" Version="1.9.172" />
+    </ItemGroup>
+
     <ItemGroup>
       <ProjectReference Include="..\Models\Models.csproj" />
     </ItemGroup>

source/Trek-12/DataContractPersistence/SqLitePersistence.cs

@@ -0,0 +1,69 @@
+using SQLite;
+using System;
+using System.Collections.Generic;
+using System.Collections.ObjectModel;
+using System.IO;
+using System.Threading.Tasks;
+
+namespace DataContractPersistence
+{
+    using Models.Game;
+    using Models.Interfaces;
+
+    public class SqLitePersistence : IPersistence
+    {
+        private readonly SQLiteConnection _database;
+        private readonly string _databasePath;
+
+        public SqLitePersistence()
+        {
+            _databasePath = Path.Combine(Environment.GetFolderPath(Environment.SpecialFolder.LocalApplicationData), "Trek_12.db");
+            _database = new SQLiteConnection(_databasePath);
+            _database.CreateTable<Player>();
+            _database.CreateTable<Map>();
+            _database.CreateTable<Game>();
+            _database.CreateTable<BestScore>();
+        }
+
+        public (ObservableCollection<Player>, ObservableCollection<Game>, ObservableCollection<Map>, ObservableCollection<BestScore>) LoadData()
+        {
+            var players = new ObservableCollection<Player>(_database.Table<Player>());
+            var games = new ObservableCollection<Game>(_database.Table<Game>());
+            var maps = new ObservableCollection<Map>(_database.Table<Map>());
+            var bestScores = new ObservableCollection<BestScore>(_database.Table<BestScore>());
+
+            return (players, games, maps, bestScores);
+        }
+
+        public void SaveData(ObservableCollection<Player> players, ObservableCollection<Game> games, ObservableCollection<Map> maps, ObservableCollection<BestScore> bestScores)
+        {
+            _database.RunInTransaction(() =>
+            {
+                _database.DeleteAll<Player>();
+                _database.DeleteAll<Game>();
+                _database.DeleteAll<Map>();
+                _database.DeleteAll<BestScore>();
+            });
+
+            foreach (var player in players)
+            {
+                _database.Insert(player);
+            }
+
+            foreach (var game in games)
+            {
+                _database.Insert(game);
+            }
+
+            foreach (var map in maps)
+            {
+                _database.Insert(map);
+            }
+
+            foreach (var bestScore in bestScores)
+            {
+                _database.Insert(bestScore);
+            }
+        }
+    }
+}

source/Trek-12/Models/Game/BestScore.cs

@@ -5,15 +5,20 @@ using System.Linq;
 using System.Runtime.Serialization;
 using System.Text;
 using System.Threading.Tasks;
+using SQLite;
 
 namespace Models.Game
 {
     /// <summary>
     /// This class represents the best score of a player.
     /// </summary>
-    [DataContract]
+    [DataContract, SQLite.Table("BestScores")]
     public class BestScore
     {
+
+        [PrimaryKey, AutoIncrement]
+        public int Id { get; set; }
+
         /// <summary>
         /// Name of the map.
         /// </summary>
@@ -69,6 +74,11 @@ namespace Models.Game
             Score = score;
         }
 
+        /// <summary>
+        /// SQLite constructor
+        /// </summary>
+        public BestScore() { }
+
         /// <summary>
         /// Increment the number of games played by the user.
         /// </summary>

source/Trek-12/Models/Game/Game.cs

@@ -13,6 +13,7 @@ using System.Threading.Tasks.Dataflow;
 using Models.Events;
 using Models.Interfaces;
 using Models.Rules;
+using SQLite;
 
 namespace Models.Game
 {
@@ -20,14 +21,19 @@ namespace Models.Game
     /// The Game class represents a game session in the application.
     /// It contains all the necessary properties and methods to manage a game, including the game loop, dice rolling, and use of the game rules.
     /// </summary>
-    [DataContract]
+    [DataContract, SQLite.Table("Games")]
     public class Game : INotifyPropertyChanged
     {
+        [PrimaryKey, AutoIncrement]
+        public int Id { get; set; }
+
         /* Persistence Interface */
+        [Ignore]
         public IPersistence PersistenceManager { get; set; }
-        
+
         /* List for the game and persistence */
         private ObservableCollection<Player> _players;
+        [Ignore]
         public ObservableCollection<Player> Players
         {
             get => _players;
@@ -39,6 +45,7 @@ namespace Models.Game
         }
 
         private ObservableCollection<Game> _games;
+        [Ignore]
         public ObservableCollection<Game> Games
         {
             get => _games;
@@ -50,6 +57,7 @@ namespace Models.Game
         }
 
         private ObservableCollection<Map> _maps;
+        [Ignore]
         public ObservableCollection<Map> Maps
         {
             get => _maps;
@@ -61,6 +69,7 @@ namespace Models.Game
         }
 
         private ObservableCollection<BestScore> _bestScores;
+        [Ignore]
         public ObservableCollection<BestScore> BestScores
         {
             get => _bestScores;
@@ -94,17 +103,22 @@ namespace Models.Game
             }
         }
 
+        [Ignore]
         public Dice Dice1 { get; private set;}
 
+        [Ignore]
         public Dice Dice2 { get; private set; }
 
         [DataMember]
         public int Turn { get; private set; }
 
+        [Ignore]
         public Operation PlayerOperation { get; set; }
 
+        [Ignore]
         public Cell PlayerCell { get; set; }
 
+        [Ignore]
         public Rules.Rules GameRules { get; }
 
         

source/Trek-12/Models/Game/Map.cs

@@ -1,5 +1,6 @@
 using System.Collections.ObjectModel;
 using System.Runtime.Serialization;
+using SQLite;
 
 namespace Models.Game
 {
@@ -7,21 +8,22 @@ namespace Models.Game
     /// <summary>
     /// The Map class is the representation of the game map with the board and the operations table.
     /// </summary>
-    [DataContract]
+    [DataContract, SQLite.Table("Maps")]
     public class Map
     {
         /// <summary>
-        /// It is the list of cells on the map.
+        /// The displaying name of the map
         /// </summary>
-        [DataMember]
-        public ReadOnlyObservableCollection<Cell> Boards { get; private set; }
-        ObservableCollection<Cell> board = new ObservableCollection<Cell>();
+        [DataMember, PrimaryKey]
+        public string Name { get; private set; }
 
         /// <summary>
-        /// The displaying name of the map
+        /// It is the list of cells on the map.
         /// </summary>
         [DataMember]
-        public string Name { get; private set; }
+        [Ignore]
+        public ReadOnlyObservableCollection<Cell> Boards { get; private set; }
+        ObservableCollection<Cell> board = new ObservableCollection<Cell>();
 
         /// <summary>
         /// It is the backgrond image of the map
@@ -64,6 +66,11 @@ namespace Models.Game
             Zones = new List<List<Cell>>();
         }
 
+        /// <summary>
+        /// SQLite constructor
+        /// </summary>
+        public Map() { }
+
         /// <summary>
         /// Initializes the boards of the map.
         /// </summary>

source/Trek-12/Models/Game/Player.cs

@@ -1,5 +1,7 @@
-using System.Collections.ObjectModel;
+using SQLite;
+using System.Collections.ObjectModel;
 using System.ComponentModel;
+using System.ComponentModel.DataAnnotations.Schema;
 using System.Runtime.CompilerServices;
 using System.Runtime.Serialization;
 using Models.Interfaces;
@@ -10,7 +12,7 @@ namespace Models.Game
     /// <summary>
     /// Represents a player in the game.
     /// </summary>
-    [DataContract]
+    [DataContract, SQLite.Table("Players")]
     public class Player : INotifyPropertyChanged
     {
         public event PropertyChangedEventHandler PropertyChanged;
@@ -23,7 +25,7 @@ namespace Models.Game
         /// It is he pseudo of the player.
         /// </summary>
         private string _pseudo;
-        [DataMember]
+        [DataMember, PrimaryKey]
         public string Pseudo
         {
             get => _pseudo;
@@ -69,6 +71,11 @@ namespace Models.Game
             CreationDate = DateTime.Now.ToString("dd/MM/yyyy");
         }
 
+        /// <summary>
+        /// SQLite constructor
+        /// </summary>
+        public Player() { }
+
         /// <summary>
         /// Redefine the equal operation between player.
         /// </summary>

source/Trek-12/Models/Interfaces/IPersistence.cs

@@ -1,12 +1,12 @@
-using Models.Game;
-using System.Collections.ObjectModel;
+using System.Collections.ObjectModel;
 
 namespace Models.Interfaces
 {
+    using Models.Game;
     public interface IPersistence
     {
-        (ObservableCollection<Player>, ObservableCollection<Game.Game>, ObservableCollection<Map>, ObservableCollection<BestScore>) LoadData();
+        (ObservableCollection<Player>, ObservableCollection<Game>, ObservableCollection<Map>, ObservableCollection<BestScore>) LoadData();
         
-        void SaveData(ObservableCollection<Player> players, ObservableCollection<Game.Game> games, ObservableCollection<Map> maps, ObservableCollection<BestScore> bestScores);
+        void SaveData(ObservableCollection<Player> players, ObservableCollection<Game> games, ObservableCollection<Map> maps, ObservableCollection<BestScore> bestScores);
     }
 }

source/Trek-12/Models/Models.csproj

@@ -14,6 +14,7 @@
 
   <ItemGroup>
     <PackageReference Include="Microsoft.Maui.Controls.Core" Version="8.0.3" />
+    <PackageReference Include="sqlite-net-pcl" Version="1.9.172" />
   </ItemGroup>
 
 </Project>

source/Trek-12/Trek-12/App.xaml.cs

@@ -29,7 +29,7 @@ namespace Trek_12
                 Directory.CreateDirectory(FilePath);
             }
 
-            File.Delete(Path.Combine(FilePath, FileName));
+            //File.Delete(Path.Combine(FilePath, FileName));
 
             string fullPath = Path.Combine(FilePath, FileName);
             if (File.Exists(fullPath))