[SM-949] Add endpoint to fetch events by service account (#3336)

* Add ability to fetch events by service account

* Extract GetDateRange into ApiHelpers util

* Add dapper implementation

* Add EF repo implementation

* Add authz handler case

* unit + integration tests for controller

* swap to read check

* Adding comments

* Fix integration tests from merge

* Enabled SM events controller for self-hosting

src/Infrastructure.EntityFramework/Repositories/EventRepository.cs

@@ -49,6 +49,32 @@ public class EventRepository : Repository<Core.Entities.Event, Event, Guid>, IEv
         }
     }
 
+    public async Task<PagedResult<IEvent>> GetManyByOrganizationServiceAccountAsync(Guid organizationId, Guid serviceAccountId,
+        DateTime startDate, DateTime endDate,
+        PageOptions pageOptions)
+    {
+        DateTime? beforeDate = null;
+        if (!string.IsNullOrWhiteSpace(pageOptions.ContinuationToken) &&
+            long.TryParse(pageOptions.ContinuationToken, out var binaryDate))
+        {
+            beforeDate = DateTime.SpecifyKind(DateTime.FromBinary(binaryDate), DateTimeKind.Utc);
+        }
+
+        using var scope = ServiceScopeFactory.CreateScope();
+        var dbContext = GetDatabaseContext(scope);
+        var query = new EventReadPageByOrganizationIdServiceAccountIdQuery(organizationId, serviceAccountId,
+            startDate, endDate, beforeDate, pageOptions);
+        var events = await query.Run(dbContext).ToListAsync();
+
+        var result = new PagedResult<IEvent>();
+        if (events.Any() && events.Count >= pageOptions.PageSize)
+        {
+            result.ContinuationToken = events.Last().Date.ToBinary().ToString();
+        }
+        result.Data.AddRange(events);
+        return result;
+    }
+
     public async Task<PagedResult<IEvent>> GetManyByCipherAsync(Cipher cipher, DateTime startDate, DateTime endDate, PageOptions pageOptions)
     {
         DateTime? beforeDate = null;

src/Infrastructure.EntityFramework/Repositories/Queries/EventReadPageByOrganizationIdServiceAccountIdQuery.cs

@@ -0,0 +1,38 @@
+using Bit.Core.Models.Data;
+using Bit.Infrastructure.EntityFramework.Models;
+
+namespace Bit.Infrastructure.EntityFramework.Repositories.Queries;
+
+public class EventReadPageByOrganizationIdServiceAccountIdQuery : IQuery<Event>
+{
+    private readonly Guid _organizationId;
+    private readonly Guid _serviceAccountId;
+    private readonly DateTime _startDate;
+    private readonly DateTime _endDate;
+    private readonly DateTime? _beforeDate;
+    private readonly PageOptions _pageOptions;
+
+    public EventReadPageByOrganizationIdServiceAccountIdQuery(Guid organizationId, Guid serviceAccountId,
+        DateTime startDate, DateTime endDate, DateTime? beforeDate, PageOptions pageOptions)
+    {
+        _organizationId = organizationId;
+        _serviceAccountId = serviceAccountId;
+        _startDate = startDate;
+        _endDate = endDate;
+        _beforeDate = beforeDate;
+        _pageOptions = pageOptions;
+    }
+
+    public IQueryable<Event> Run(DatabaseContext dbContext)
+    {
+        var q = from e in dbContext.Events
+                where e.Date >= _startDate &&
+                      (_beforeDate != null || e.Date <= _endDate) &&
+                      (_beforeDate == null || e.Date < _beforeDate.Value) &&
+                      e.OrganizationId == _organizationId &&
+                      e.ServiceAccountId == _serviceAccountId
+                orderby e.Date descending
+                select e;
+        return q.Skip(0).Take(_pageOptions.PageSize);
+    }
+}