55 lines
2 KiB
Dart
55 lines
2 KiB
Dart
import 'package:aves/model/image_entry.dart';
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import 'package:aves/model/metadata_storage_service.dart';
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import 'package:flutter/material.dart';
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import 'package:flutter/services.dart';
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class MetadataService {
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static const platform = const MethodChannel('deckers.thibault/aves/metadata');
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// return Map<Map<Key, Value>> (map of directories, each directory being a map of metadata label and value description)
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static Future<Map> getAllMetadata(String path) async {
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try {
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final result = await platform.invokeMethod('getAllMetadata', <String, dynamic>{
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'path': path,
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});
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return result as Map;
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} on PlatformException catch (e) {
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debugPrint('getAllMetadata failed with exception=${e.message}');
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}
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return Map();
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}
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static Future<CatalogMetadata> getCatalogMetadata(int contentId, String path) async {
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CatalogMetadata metadata;
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try {
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// return map with:
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// 'dateMillis': date taken in milliseconds since Epoch (long)
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// 'latitude': latitude (double)
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// 'longitude': longitude (double)
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// 'xmpSubjects': space separated XMP subjects (string)
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final result = await platform.invokeMethod('getCatalogMetadata', <String, dynamic>{
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'path': path,
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}) as Map;
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result['contentId'] = contentId;
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metadata = CatalogMetadata.fromMap(result);
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metadataDb.insert(metadata);
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return metadata;
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} on PlatformException catch (e) {
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debugPrint('getCatalogMetadata failed with exception=${e.message}');
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}
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return null;
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}
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// return map with string descriptions for: 'aperture' 'exposureTime' 'focalLength' 'iso'
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static Future<Map> getOverlayMetadata(String path) async {
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try {
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final result = await platform.invokeMethod('getOverlayMetadata', <String, dynamic>{
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'path': path,
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});
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return result as Map;
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} on PlatformException catch (e) {
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debugPrint('getOverlayMetadata failed with exception=${e.message}');
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}
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return Map();
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}
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}
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