Files
flutter-picgo/lib/utils/strategy/impl/smms_image_upload.dart
2020-06-28 14:48:02 +08:00

64 lines
1.8 KiB
Dart

import 'dart:convert';
import 'package:dio/dio.dart';
import 'package:flutter_picgo/api/smms_api.dart';
import 'package:flutter_picgo/model/uploaded.dart';
import 'package:flutter_picgo/resources/pb_type_keys.dart';
import 'package:flutter_picgo/utils/image_upload.dart';
import 'dart:io';
import 'package:flutter_picgo/utils/strategy/image_upload_strategy.dart';
import 'package:flutter_picgo/utils/strings.dart';
class SMMSImageUpload implements ImageUploadStrategy {
@override
Future<Uploaded> upload(File file, String renameImage) async {
FormData formData = FormData.fromMap({
"smfile": await MultipartFile.fromFile(file.path, filename: renameImage),
});
var result = await SMMSApi.upload(formData);
var resultmap = json.decode(result);
if (resultmap["success"]) {
var uploaded = Uploaded(-1, resultmap["data"]["url"], PBTypeKeys.smms,
info: resultmap["data"]["hash"]);
await ImageUploadUtils.saveUploadedItem(uploaded);
return uploaded;
} else {
throw new SMMSError(error: resultmap['message']);
}
}
@override
Future<Uploaded> delete(Uploaded uploaded) async {
String hash = await ImageUploadUtils.getUploadedItemInfo(uploaded.id);
if (!isBlank(hash)) {
var result = await SMMSApi.delete(hash);
var resultmap = json.decode(result);
if (resultmap["success"]) {
return uploaded;
} else {
throw new SMMSError(error: resultmap['message']);
}
}
return uploaded;
}
}
/// SMMSError describes the error info when request failed.
class SMMSError implements Exception {
SMMSError({
this.error,
});
dynamic error;
String get message => (error?.toString() ?? '');
@override
String toString() {
var msg = 'SMMSError $message';
if (error is Error) {
msg += '\n${error.stackTrace}';
}
return msg;
}
}