Start operation implementation

Hcs.WebApp/Services/OperationService.cs

@@ -12,5 +12,19 @@ namespace Hcs.WebApp.Services
             using var context = factory.CreateDbContext();
             return await context.Operations.AnyAsync(x => x.Type == type && !x.EndedAt.HasValue);
         }
+
+        public async Task<Operation> InitiateOperation(Operation.OperationType type, string initiatorId)
+        {
+            using var context = factory.CreateDbContext();
+            var operation = new Operation()
+            {
+                Type = type,
+                InitiatorId = initiatorId,
+                StartedAt = DateTime.UtcNow
+            };
+            await context.Operations.AddAsync(operation);
+            await context.SaveChangesAsync();
+            return operation;
+        }
     }
 }