first commit

Repos/ActivityLogRepository.cs

@@ -0,0 +1,88 @@
+using Fitness_core_BE.Models;
+using Fitness_core_BE.Interfaces;
+using Microsoft.EntityFrameworkCore;
+
+namespace Fitness_core_BE.Repos
+{
+    public class ActivityLogRepository : IActivityLogRepository
+    {
+        private readonly CentralDbContext _dbContext;
+
+        public ActivityLogRepository(CentralDbContext dbContext)
+        {
+            _dbContext = dbContext;
+        }
+
+        public async Task AddActivityLogAsync(ActivityLog log, CancellationToken ct = default)
+        {
+            try
+            {
+                _dbContext.ActivityLogs.Add(log);
+            }
+            catch (Exception ex)
+            {
+                Console.WriteLine($"Failed to add activity log: {ex.Message}");
+            }
+        }
+
+        public async Task<List<ActivityLog>> GetActivityLogsAsync(
+            string searchTerm = null,
+            DateTime? startDate = null,
+            DateTime? endDate = null,
+            CancellationToken ct = default)
+        {
+            try
+            {
+                var query = _dbContext.ActivityLogs
+                    .AsNoTracking()
+                    .Include(a => a.User)
+                    .AsQueryable();
+
+                // Apply search filter
+                if (!string.IsNullOrEmpty(searchTerm))
+                {
+                    query = query.Where(a => 
+                        a.Description.Contains(searchTerm) || 
+                        a.UserName.Contains(searchTerm));
+                }
+
+                // Apply date range filters
+                if (startDate.HasValue)
+                {
+                    query = query.Where(a => a.Timestamp >= startDate.Value);
+                }
+
+                if (endDate.HasValue)
+                {
+                    query = query.Where(a => a.Timestamp <= endDate.Value);
+                }
+
+                return await query
+                    .OrderByDescending(a => a.Timestamp)
+                    .ToListAsync(ct);
+            }
+            catch (Exception ex)
+            {
+                Console.WriteLine($"Failed to fetch activity logs: {ex.Message}");
+                return new List<ActivityLog>();
+            }
+        }
+
+        public async Task<string> GetUserNameAsync(Guid userId, CancellationToken ct = default)
+        {
+            try
+            {
+                var user = await _dbContext.Users
+                    .AsNoTracking()
+                    .FirstOrDefaultAsync(u => u.UserId == userId, ct);
+                
+                return user?.UserName ?? "Unknown User";
+            }
+            catch (Exception ex)
+            {
+                Console.WriteLine($"Failed to fetch username: {ex.Message}");
+                return "Unknown User";
+            }
+        }
+    }
+}