Övergått till entity framework + lagt till ny tabell

GreadyPoang.DataLayer/DataClasses/ParticipantRepository.cs

@@ -1,88 +1,65 @@
 using Common.Library;
+using GreadyPoang.DataLayer.Database;
 using GreadyPoang.EntityLayer;
-using System.Collections.ObjectModel;
+using Microsoft.EntityFrameworkCore;
 
 namespace GreadyPoang.DataLayer;
 
 public class ParticipantRepository : IRepository<Participant>
 {
-    private readonly LocalDbService _dbService;
-    private ObservableCollection<Participant> lager;
+    private readonly DataContext _dataContext;
 
-    public ParticipantRepository(LocalDbService dbService)
+    public ParticipantRepository(DataContext dataContext)
     {
-        if (lager == null || lager.Count == 0)
-        {
-            lager = new ObservableCollection<Participant>();
-        }
-        _dbService = dbService;
+        _dataContext = dataContext;
     }
-
-    #region Get Method
-    public async Task<ObservableCollection<Participant>> Get()
+    public async Task<IEnumerable<Participant>> Get()
     {
-        // This method should return a collection of Participant objects.
-        // For now, returning an empty collection.
-        List<Participant> result = await _dbService.GetParticipantsAsync();
-
-
-        if (result != null)
+        return await _dataContext.Participants.ToListAsync();
+    }
+    public async Task<Participant?> Get(int id)
+    {
+        // Fix: Use FindAsync with key value array, not a predicate
+        return await _dataContext.Participants.FindAsync(id);
+    }
+    public async Task<bool> Save(Participant entity)
+    {
+        var res = false;
+        if (string.IsNullOrEmpty(entity.FirstName)
+            || string.IsNullOrEmpty(entity.LastName))
         {
-            foreach (var participant in result)
-            {
-                if (!lager.Any(p => p.ParticipantId == participant.ParticipantId))
-                {
-                    lager.Add(participant);
-                }
-            }
+            return res; // Validation failed
         }
 
-        return lager;
-    }
-
-    public Participant? Get(int id)
-    {
-        Participant? participant = null; // Initialize the variable to avoid CS0165
-        _dbService.GetParticipantAsync(id).ContinueWith(task =>
+        if (entity.ParticipantId == 0)
         {
-            if (task.Exception == null)
-            {
-                participant = task.Result;
-                if (participant != null)
-                {
-                    System.Diagnostics.Debug.WriteLine($"Fetched Participant by ID: {participant.ParticipantId}, {participant.FirstName}, {participant.LastName}, {participant.Email}");
-                }
-                else
-                {
-                    System.Diagnostics.Debug.WriteLine($"No Participant found with ID: {id}");
-                }
-            }
-            else
-            {
-                // Handle exceptions as needed
-                System.Diagnostics.Debug.WriteLine($"Error fetching participant by ID: {task.Exception.Message}");
-            }
-        }).Wait();
+            _dataContext.Participants.Add(entity);
+            await _dataContext.SaveChangesAsync();
+            res = true;
+        }
+        else
+        {
+            _dataContext.Participants.Update(entity);
+            await _dataContext.SaveChangesAsync();
+            res = true;
+        }
+        return res;
 
-        return participant;
     }
-    #endregion
-
-    public bool Save(Participant entity)
+    public bool Delete(Participant entity)
     {
-        var output = false;
+        var res = false;
         try
         {
-            _dbService.SaveParticipantAsync(entity).Wait();
-            lager.Add(entity);
-            output = true;
+            _dataContext.Participants.Remove(entity);
+            _dataContext.SaveChanges();
+            res = true;
         }
         catch (Exception ex)
         {
-            System.Diagnostics.Debug.WriteLine($"Error saving participants: {ex.Message}");
+            System.Diagnostics.Debug.WriteLine($"Error deleting participant: {ex.Message}");
+            res = false;
         }
-
-        return output;
-
+        return res;
     }
 }