feat(server): de-duplication (#557)

* feat(server): remove un-used deviceAssetId cols.

* feat(server): return 409 if asset is duplicated

* feat(server): replace old unique constaint

* feat(server): strip deviceId in file path

* feat(server): skip duplicate asset

* chore(server): revert changes

* fix(server): asset test spec

* fix(server): checksum generation for uploaded assets

* fix(server): make sure generation queue run after migraion

* feat(server): remove temp file

* chore(server): remove dead code

server/apps/immich/src/api-v1/asset/asset-repository.ts

@@ -26,6 +26,7 @@ export interface IAssetRepository {
   getSearchPropertiesByUserId(userId: string): Promise<SearchPropertiesDto[]>;
   getAssetCountByTimeBucket(userId: string, timeBucket: TimeGroupEnum): Promise<AssetCountByTimeBucket[]>;
   getAssetByTimeBucket(userId: string, getAssetByTimeBucketDto: GetAssetByTimeBucketDto): Promise<AssetEntity[]>;
+  getAssetByChecksum(userId: string, checksum: Buffer): Promise<AssetEntity>;
 }
 
 export const ASSET_REPOSITORY = 'ASSET_REPOSITORY';
@@ -208,4 +209,20 @@ export class AssetRepository implements IAssetRepository {
 
     return res;
   }
+
+  /**
+   * Get asset by checksum on the database
+   * @param userId 
+   * @param checksum 
+   * 
+   */
+  getAssetByChecksum(userId: string, checksum: Buffer): Promise<AssetEntity> {
+    return this.assetRepository.findOneOrFail({
+      where: {
+        userId,
+        checksum
+      },
+      relations: ['exifInfo'],
+    });
+  }
 }