fix(server): Handle exposure time correctly (#1432)

mobile/lib/modules/asset_viewer/ui/exif_bottom_sheet.dart

@@ -188,7 +188,7 @@ class ExifBottomSheet extends HookConsumerWidget {
                             ),
                           ),
                           subtitle: Text(
-                            "ƒ/${exifInfo.fNumber}   1/${(1 / (exifInfo.exposureTime ?? 1)).toStringAsFixed(0)}   ${exifInfo.focalLength} mm   ISO${exifInfo.iso} ",
+                            "ƒ/${exifInfo.fNumber}   ${exifInfo.exposureTime}   ${exifInfo.focalLength} mm   ISO${exifInfo.iso} ",
                           ),
                         ),
                     ],

mobile/openapi/doc/ExifResponseDto.md

@@ -22,7 +22,7 @@ Name | Type | Description | Notes
 **fNumber** | **num** |  | [optional] 
 **focalLength** | **num** |  | [optional] 
 **iso** | **num** |  | [optional] 
-**exposureTime** | **num** |  | [optional] 
+**exposureTime** | **String** |  | [optional] 
 **latitude** | **num** |  | [optional] 
 **longitude** | **num** |  | [optional] 
 **city** | **String** |  | [optional] 

mobile/openapi/lib/model/exif_response_dto.dart

@@ -63,7 +63,7 @@ class ExifResponseDto {
 
   num? iso;
 
-  num? exposureTime;
+  String? exposureTime;
 
   num? latitude;
 
@@ -273,9 +273,7 @@ class ExifResponseDto {
         iso: json[r'iso'] == null
             ? null
             : num.parse(json[r'iso'].toString()),
-        exposureTime: json[r'exposureTime'] == null
-            ? null
-            : num.parse(json[r'exposureTime'].toString()),
+        exposureTime: mapValueOfType<String>(json, r'exposureTime'),
         latitude: json[r'latitude'] == null
             ? null
             : num.parse(json[r'latitude'].toString()),

mobile/openapi/test/exif_response_dto_test.dart

@@ -86,7 +86,7 @@ void main() {
       // TODO
     });
 
-    // num exposureTime
+    // String exposureTime
     test('to test the property `exposureTime`', () async {
       // TODO
     });

server/apps/microservices/src/processors/metadata-extraction.processor.ts

@@ -154,13 +154,6 @@ export class MetadataExtractionProcessor {
         return exifDate.toDate();
       };
 
-      const getExposureTimeDenominator = (exposureTime: string | undefined) => {
-        if (!exposureTime) return null;
-
-        const exposureTimeSplit = exposureTime.split('/');
-        return exposureTimeSplit.length === 2 ? parseInt(exposureTimeSplit[1]) : null;
-      };
-
       const createdAt = exifToDate(exifData?.DateTimeOriginal ?? exifData?.CreateDate ?? asset.createdAt);
       const modifyDate = exifToDate(exifData?.ModifyDate ?? asset.modifiedAt);
       const fileStats = fs.statSync(asset.originalPath);
@@ -174,7 +167,7 @@ export class MetadataExtractionProcessor {
       newExif.model = exifData?.Model || null;
       newExif.exifImageHeight = exifData?.ExifImageHeight || exifData?.ImageHeight || null;
       newExif.exifImageWidth = exifData?.ExifImageWidth || exifData?.ImageWidth || null;
-      newExif.exposureTime = getExposureTimeDenominator(exifData?.ExposureTime);
+      newExif.exposureTime = exifData?.ExposureTime || null;
       newExif.orientation = exifData?.Orientation?.toString() || null;
       newExif.dateTimeOriginal = createdAt;
       newExif.modifyDate = modifyDate;

server/immich-openapi-specs.json

@@ -3207,7 +3207,7 @@
             "default": null
           },
           "exposureTime": {
-            "type": "number",
+            "type": "string",
             "nullable": true,
             "default": null
           },

server/libs/domain/src/asset/response-dto/exif-response.dto.ts

@@ -19,7 +19,7 @@ export class ExifResponseDto {
   fNumber?: number | null = null;
   focalLength?: number | null = null;
   iso?: number | null = null;
-  exposureTime?: number | null = null;
+  exposureTime?: string | null = null;
   latitude?: number | null = null;
   longitude?: number | null = null;
   city?: string | null = null;

server/libs/domain/test/fixtures.ts

@@ -22,7 +22,7 @@ const assetInfo: ExifResponseDto = {
   fNumber: 100,
   focalLength: 100,
   iso: 100,
-  exposureTime: 100,
+  exposureTime: '1/16',
   latitude: 100,
   longitude: 100,
   city: 'city',
@@ -349,7 +349,7 @@ export const sharedLinkStub = {
               fNumber: 100,
               focalLength: 100,
               iso: 100,
-              exposureTime: 100,
+              exposureTime: '1/16',
               fps: 100,
               asset: null as any,
               exifTextSearchableColumn: '',

server/libs/infra/src/db/entities/exif.entity.ts

@@ -72,8 +72,8 @@ export class ExifEntity {
   @Column({ type: 'integer', nullable: true })
   iso!: number | null;
 
-  @Column({ type: 'float', nullable: true })
-  exposureTime!: number | null;
+  @Column({ type: 'varchar', nullable: true })
+  exposureTime!: string | null;
 
   /* Video info */
   @Column({ type: 'float8', nullable: true })

server/libs/infra/src/db/migrations/1674757936889-AlterExifExposureTimeToString.ts

@@ -0,0 +1,16 @@
+import { MigrationInterface, QueryRunner } from "typeorm";
+
+export class AlterExifExposureTimeToString1674757936889 implements MigrationInterface {
+    name = 'AlterExifExposureTimeToString1674757936889'
+
+    public async up(queryRunner: QueryRunner): Promise<void> {
+        await queryRunner.query(`ALTER TABLE "exif" DROP COLUMN "exposureTime"`);
+        await queryRunner.query(`ALTER TABLE "exif" ADD "exposureTime" character varying`);
+    }
+
+    public async down(queryRunner: QueryRunner): Promise<void> {
+        await queryRunner.query(`ALTER TABLE "exif" DROP COLUMN "exposureTime"`);
+        await queryRunner.query(`ALTER TABLE "exif" ADD "exposureTime" double precision`);
+    }
+
+}

web/src/api/open-api/api.ts

@@ -1116,10 +1116,10 @@ export interface ExifResponseDto {
     'iso'?: number | null;
     /**
      * 
-     * @type {number}
+     * @type {string}
      * @memberof ExifResponseDto
      */
-    'exposureTime'?: number | null;
+    'exposureTime'?: string | null;
     /**
      * 
      * @type {number}

web/src/lib/components/asset-viewer/detail-panel.svelte

@@ -152,7 +152,7 @@
 						<p>{`ƒ/${asset.exifInfo.fNumber.toLocaleString(locale)}` || ''}</p>
 
 						{#if asset.exifInfo.exposureTime}
-							<p>{`1/${asset.exifInfo.exposureTime}`}</p>
+							<p>{`${asset.exifInfo.exposureTime}`}</p>
 						{/if}
 
 						{#if asset.exifInfo.focalLength}