Initial version

.gitignore

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+# Miscellaneous
+*.class
+*.log
+*.pyc
+*.swp
+.DS_Store
+.atom/
+.buildlog/
+.history
+.svn/
+
+# IntelliJ related
+*.iml
+*.ipr
+*.iws
+.idea/
+
+# The .vscode folder contains launch configuration and tasks you configure in
+# VS Code which you may wish to be included in version control, so this line
+# is commented out by default.
+#.vscode/
+
+# Flutter/Dart/Pub related
+**/doc/api/
+.dart_tool/
+.flutter-plugins
+.flutter-plugins-dependencies
+.packages
+.pub-cache/
+.pub/
+build/
+.pubspec.lock
+
+# Android related
+**/android/**/gradle-wrapper.jar
+**/android/.gradle
+**/android/captures/
+**/android/gradlew
+**/android/gradlew.bat
+**/android/local.properties
+**/android/**/GeneratedPluginRegistrant.java
+
+# iOS/XCode related
+**/ios/**/*.mode1v3
+**/ios/**/*.mode2v3
+**/ios/**/*.moved-aside
+**/ios/**/*.pbxuser
+**/ios/**/*.perspectivev3
+**/ios/**/*sync/
+**/ios/**/.sconsign.dblite
+**/ios/**/.tags*
+**/ios/**/.vagrant/
+**/ios/**/DerivedData/
+**/ios/**/Icon?
+**/ios/**/Pods/
+**/ios/**/.symlinks/
+**/ios/**/profile
+**/ios/**/xcuserdata
+**/ios/.generated/
+**/ios/Flutter/App.framework
+**/ios/Flutter/Flutter.framework
+**/ios/Flutter/Flutter.podspec
+**/ios/Flutter/Generated.xcconfig
+**/ios/Flutter/app.flx
+**/ios/Flutter/app.zip
+**/ios/Flutter/flutter_assets/
+**/ios/Flutter/flutter_export_environment.sh
+**/ios/ServiceDefinitions.json
+**/ios/Runner/GeneratedPluginRegistrant.*
+
+# Exceptions to above rules.
+!**/ios/**/default.mode1v3
+!**/ios/**/default.mode2v3
+!**/ios/**/default.pbxuser
+!**/ios/**/default.perspectivev3
+!/packages/flutter_tools/test/data/dart_dependencies_test/**/.packages

.metadata

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+# This file tracks properties of this Flutter project.
+# Used by Flutter tool to assess capabilities and perform upgrades etc.
+#
+# This file should be version controlled and should not be manually edited.
+
+version:
+  revision: f7a6a7906be96d2288f5d63a5a54c515a6e987fe
+  channel: stable
+
+project_type: package

CHANGELOG.md

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+## [0.0.1] - TODO: Add release date.
+
+* TODO: Describe initial release.

README.md

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+# cloudinary_public
+
+A dart wrapper for cloudinary public uploads
+
+## Getting Started
+
+This project is a starting point for a Dart
+[package](https://flutter.dev/developing-packages/),
+a library module containing code that can be shared easily across
+multiple Flutter or Dart projects.
+
+For help getting started with Flutter, view our 
+[online documentation](https://flutter.dev/docs), which offers tutorials, 
+samples, guidance on mobile development, and a full API reference.

lib/cloudinary_public.dart

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+library cloudinary_public;
+
+import 'dart:io';
+
+import 'package:dio/dio.dart';
+import 'package:flutter/foundation.dart';
+import 'package:flutter/services.dart';
+
+class CloudinaryPublic {
+  static const _baseUrl = 'https://api.cloudinary.com/v1_1';
+  Map<String, CloudinaryResponse> _uploadedFiles = {};
+  final String _cloudName;
+  final String _uploadPreset;
+  final bool cache;
+  Dio dioClient;
+
+  CloudinaryPublic(this._cloudName, this._uploadPreset,
+      {this.cache = false, this.dioClient}) {
+    // set default dio client
+    dioClient ??= Dio();
+  }
+
+  Future<CloudinaryResponse> uploadFile({
+    ByteData byteData,
+    File file,
+    CloudinaryResourceType resourceType: CloudinaryResourceType.Auto,
+    String filename,
+  }) async {
+    assert(
+        (byteData == null && file != null) ||
+            (byteData != null && file == null),
+        'only one between byteData or file must be provided');
+
+    if (cache) {
+      assert(filename != null, 'filename is required for caching');
+      if (_uploadedFiles.containsKey(filename)) return _uploadedFiles[filename];
+    }
+
+    FormData formData = FormData.fromMap({
+      'file': byteData != null
+          ? MultipartFile.fromBytes(
+              byteData.buffer.asUint8List(),
+              filename: filename,
+            )
+          : MultipartFile.fromFile(file.path, filename: filename),
+      'upload_preset': _uploadPreset
+    });
+
+    // throws DioError
+    final res = await dioClient.post(
+      '$_baseUrl/$_cloudName/${describeEnum(resourceType).toLowerCase()}/upload',
+      data: formData,
+    );
+    final cloudinaryResponse = CloudinaryResponse.fromMap(res.data);
+
+    if (cache) { // temporary cache for this class instance
+      _uploadedFiles[filename] = cloudinaryResponse;
+    }
+    return cloudinaryResponse;
+  }
+}
+
+enum CloudinaryResourceType { Image, Raw, Video, Auto }
+
+class CloudinaryResponse {
+  final String assetId;
+  final String publicId;
+  final DateTime createdAt;
+  final String url;
+  final String secureUrl;
+  final String originalFilename;
+
+  CloudinaryResponse({
+    this.assetId,
+    this.publicId,
+    this.createdAt,
+    this.url,
+    this.secureUrl,
+    this.originalFilename,
+  });
+
+  factory CloudinaryResponse.fromMap(Map<String, dynamic> data) {
+    return CloudinaryResponse(
+      assetId: data['asset_id'],
+      publicId: data['public_id'],
+      createdAt: DateTime.parse(data['created_at']),
+      url: data['url'],
+      secureUrl: data['secure_url'],
+      originalFilename: data['original_filename'],
+    );
+  }
+
+  Map<String, dynamic> toMap() {
+    return {
+      'asset_id': assetId,
+      'public_id': publicId,
+      'created_at': createdAt.toString(),
+      'url': url,
+      'secure_url': secureUrl,
+      'original_filename': originalFilename
+    };
+  }
+
+  @override
+  String toString() {
+    return toMap().toString();
+  }
+}