Add audit logs.

2026-06-23 12:13:47 -07:00
parent 870eeec82a
commit 62592c29ae
106 changed files with 2522 additions and 311 deletions
@@ -0,0 +1,93 @@
+using Microsoft.EntityFrameworkCore;
+using ROLAC.API.Data.Logging;
+using ROLAC.API.DTOs.Logging;
+using ROLAC.API.DTOs.Shared;
+using ROLAC.API.Entities.Logging;
+
+namespace ROLAC.API.Services.Logging;
+
+public interface ISystemLogQueryService
+{
+    Task<PagedResult<SystemLogListItemDto>> GetPagedAsync(SystemLogQuery query);
+    Task<SystemLogDetailDto?> GetByIdAsync(long id);
+}
+
+/// <summary>Read-only, paged access to the SystemLogs table via the dedicated LogDbContext.</summary>
+public sealed class SystemLogQueryService : ISystemLogQueryService
+{
+    private readonly LogDbContext _db;
+
+    public SystemLogQueryService(LogDbContext db) => _db = db;
+
+    public async Task<PagedResult<SystemLogListItemDto>> GetPagedAsync(SystemLogQuery query)
+    {
+        var page     = Math.Max(1, query.Page);
+        var pageSize = Math.Clamp(query.PageSize, 1, 200);
+
+        var rows = _db.SystemLogs.AsNoTracking().AsQueryable();
+
+        if (query.From is not null)  rows = rows.Where(l => l.Timestamp >= query.From);
+        if (query.To   is not null)  rows = rows.Where(l => l.Timestamp <= query.To);
+        if (query.Level is not null) rows = rows.Where(l => l.Level == query.Level);
+        else if (query.MinLevel is not null) rows = rows.Where(l => l.Level >= query.MinLevel);
+        if (!string.IsNullOrWhiteSpace(query.UserId))
+            rows = rows.Where(l => l.UserId == query.UserId);
+        if (!string.IsNullOrWhiteSpace(query.CorrelationId))
+            rows = rows.Where(l => l.CorrelationId == query.CorrelationId);
+        if (!string.IsNullOrWhiteSpace(query.Search))
+        {
+            var term = query.Search.Trim().ToLower();
+            rows = rows.Where(l =>
+                l.Message.ToLower().Contains(term) || l.Category.ToLower().Contains(term));
+        }
+
+        var total = await rows.CountAsync();
+        var items = await rows
+            .OrderByDescending(l => l.Timestamp)
+            .Skip((page - 1) * pageSize).Take(pageSize)
+            .Select(l => new SystemLogListItemDto
+            {
+                Id            = l.Id,
+                Timestamp     = l.Timestamp,
+                Level         = l.Level.ToString(),
+                Category      = l.Category,
+                Message       = l.Message,
+                HasException  = l.Exception != null,
+                StatusCode    = l.StatusCode,
+                RequestPath   = l.RequestPath,
+                HttpMethod    = l.HttpMethod,
+                UserId        = l.UserId,
+                CorrelationId = l.CorrelationId,
+            })
+            .ToListAsync();
+
+        return new PagedResult<SystemLogListItemDto>
+        {
+            Items = items, TotalCount = total, Page = page, PageSize = pageSize,
+        };
+    }
+
+    public async Task<SystemLogDetailDto?> GetByIdAsync(long id)
+    {
+        return await _db.SystemLogs.AsNoTracking()
+            .Where(l => l.Id == id)
+            .Select(l => new SystemLogDetailDto
+            {
+                Id            = l.Id,
+                Timestamp     = l.Timestamp,
+                Level         = l.Level.ToString(),
+                Category      = l.Category,
+                Message       = l.Message,
+                HasException  = l.Exception != null,
+                StatusCode    = l.StatusCode,
+                RequestPath   = l.RequestPath,
+                HttpMethod    = l.HttpMethod,
+                UserId        = l.UserId,
+                CorrelationId = l.CorrelationId,
+                EventId       = l.EventId,
+                Exception     = l.Exception,
+                IpAddress     = l.IpAddress,
+            })
+            .FirstOrDefaultAsync();
+    }
+}