feat: add services package

packages/services/src/Domain/Integrity/IntegrityService.ts

@@ -0,0 +1,62 @@
+import { IntegrityEvent } from './IntegrityEvent'
+import { AbstractService } from '../Service/AbstractService'
+import { ItemsServerInterface } from '../Item/ItemsServerInterface'
+import { IntegrityApiInterface } from './IntegrityApiInterface'
+import { GetSingleItemResponse } from '@standardnotes/responses'
+import { InternalEventHandlerInterface } from '../Internal/InternalEventHandlerInterface'
+import { InternalEventInterface } from '../Internal/InternalEventInterface'
+import { InternalEventBusInterface } from '../Internal/InternalEventBusInterface'
+import { SyncEvent } from '../Event/SyncEvent'
+import { IntegrityEventPayload } from './IntegrityEventPayload'
+import { SyncSource } from '../Sync/SyncSource'
+import { PayloadManagerInterface } from '../Payloads/PayloadManagerInterface'
+
+export class IntegrityService
+  extends AbstractService<IntegrityEvent, IntegrityEventPayload>
+  implements InternalEventHandlerInterface
+{
+  constructor(
+    private integrityApi: IntegrityApiInterface,
+    private itemApi: ItemsServerInterface,
+    private payloadManager: PayloadManagerInterface,
+    protected override internalEventBus: InternalEventBusInterface,
+  ) {
+    super(internalEventBus)
+  }
+
+  async handleEvent(event: InternalEventInterface): Promise<void> {
+    if (event.type !== SyncEvent.SyncRequestsIntegrityCheck) {
+      return
+    }
+
+    const integrityCheckResponse = await this.integrityApi.checkIntegrity(this.payloadManager.integrityPayloads)
+    if (integrityCheckResponse.error !== undefined) {
+      this.log(`Could not obtain integrity check: ${integrityCheckResponse.error}`)
+
+      return
+    }
+
+    const serverItemResponsePromises: Promise<GetSingleItemResponse>[] = []
+    for (const mismatch of integrityCheckResponse.data.mismatches) {
+      serverItemResponsePromises.push(this.itemApi.getSingleItem(mismatch.uuid))
+    }
+
+    const serverItemResponses = await Promise.all(serverItemResponsePromises)
+
+    const rawPayloads = []
+    for (const serverItemResponse of serverItemResponses) {
+      if (serverItemResponse.data === undefined || serverItemResponse.error || !('item' in serverItemResponse.data)) {
+        this.log(`Could not obtain item for integrity adjustments: ${serverItemResponse.error}`)
+
+        continue
+      }
+
+      rawPayloads.push(serverItemResponse.data.item)
+    }
+
+    await this.notifyEventSync(IntegrityEvent.IntegrityCheckCompleted, {
+      rawPayloads: rawPayloads,
+      source: (event.payload as { source: SyncSource }).source,
+    })
+  }
+}