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✨ Upload photos

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This commit is contained in:
LittleSheep
2024-03-24 21:55:20 +08:00
parent a303f5c30c
commit 52304a7633
5 changed files with 239 additions and 6 deletions
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212
lib/screens/publish/attachment_list.dart Normal file
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@@ -0,0 +1,212 @@
import 'dart:convert';
import 'dart:io';
import 'dart:math' as math;
import 'package:crypto/crypto.dart';
import 'package:flutter/material.dart';
import 'package:http/http.dart';
import 'package:image_picker/image_picker.dart';
import 'package:solaragent/auth.dart';
import 'package:solaragent/models/feed.dart';
class AttachmentList extends StatefulWidget {
final List<Attachment> current;
final void Function(List<Attachment> data) onUpdate;
const AttachmentList(
{super.key, required this.current, required this.onUpdate});
@override
State<AttachmentList> createState() => _AttachmentListState();
}
class _AttachmentListState extends State<AttachmentList> {
final imagePicker = ImagePicker();
bool isSubmitting = false;
List<Attachment> attachments = List.empty(growable: true);
Future<void> pickImageToUpload(BuildContext context) async {
if (!await authClient.isAuthorized()) return;
final image = await imagePicker.pickImage(source: ImageSource.gallery);
if (image == null) return;
final file = File(image.path);
final hashcode = await calculateSha256(file);
try {
await uploadAttachment(file, hashcode);
} catch (err) {
ScaffoldMessenger.of(context).showSnackBar(
SnackBar(content: Text("Something went wrong... $err")),
);
}
}
Future<void> uploadAttachment(File file, String hashcode) async {
var req = MultipartRequest(
'POST',
Uri.parse('https://co.solsynth.dev/api/attachments'),
);
req.files.add(await MultipartFile.fromPath('attachment', file.path));
req.fields['hashcode'] = hashcode;
setState(() => isSubmitting = true);
var res = await authClient.client!.send(req);
if (res.statusCode == 200) {
var result = Attachment.fromJson(
jsonDecode(utf8.decode(await res.stream.toBytes()))["info"],
);
setState(() => attachments.add(result));
widget.onUpdate(attachments);
} else {
throw Exception(utf8.decode(await res.stream.toBytes()));
}
setState(() => isSubmitting = false);
}
Future<void> disposeAttachment(
BuildContext context, Attachment item, int index) async {
var req = MultipartRequest(
'DELETE',
Uri.parse('https://co.solsynth.dev/api/attachments/${item.id}'),
);
setState(() => isSubmitting = true);
var res = await authClient.client!.send(req);
if (res.statusCode == 200) {
setState(() => attachments.removeAt(index));
widget.onUpdate(attachments);
} else {
final err = utf8.decode(await res.stream.toBytes());
ScaffoldMessenger.of(context).showSnackBar(
SnackBar(content: Text("Something went wrong... $err")),
);
}
setState(() => isSubmitting = false);
}
Future<String> calculateSha256(File file) async {
final bytes = await file.readAsBytes();
final digest = sha256.convert(bytes);
return digest.toString();
}
String getFileName(Attachment item) {
return item.filename.replaceAll(RegExp(r'\.[^/.]+$'), '');
}
String getFileType(Attachment item) {
switch (item.type) {
case 1:
return 'Photo';
case 2:
return 'Video';
case 3:
return 'Audio';
default:
return 'Others';
}
}
String formatBytes(int bytes, {int decimals = 2}) {
if (bytes == 0) return '0 Bytes';
const k = 1024;
final dm = decimals < 0 ? 0 : decimals;
final sizes = [
'Bytes',
'KiB',
'MiB',
'GiB',
'TiB',
'PiB',
'EiB',
'ZiB',
'YiB'
];
final i = (math.log(bytes) / math.log(k)).floor().toInt();
return '${(bytes / math.pow(k, i)).toStringAsFixed(dm)} ${sizes[i]}';
}
@override
void initState() {
attachments = widget.current;
super.initState();
}
@override
Widget build(BuildContext context) {
return Column(
children: [
Container(
padding: const EdgeInsets.only(left: 10, right: 10, top: 20),
child: Row(
mainAxisAlignment: MainAxisAlignment.spaceBetween,
children: [
Padding(
padding: const EdgeInsets.symmetric(
horizontal: 8.0,
vertical: 12.0,
),
child: Text(
'Attachments',
style: Theme.of(context).textTheme.headlineSmall,
),
),
FutureBuilder(
future: authClient.isAuthorized(),
builder: (context, snapshot) {
if (snapshot.hasData && snapshot.data == true) {
return Tooltip(
message: "Add a photo",
child: TextButton(
onPressed: isSubmitting
? null
: () => pickImageToUpload(context),
style: TextButton.styleFrom(
shape: const CircleBorder(),
),
child: const Icon(Icons.add_photo_alternate),
),
);
} else {
return Container();
}
},
),
],
),
),
isSubmitting ? const LinearProgressIndicator() : Container(),
Expanded(
child: ListView.separated(
itemCount: attachments.length,
itemBuilder: (context, index) {
var element = attachments[index];
return Container(
padding: const EdgeInsets.only(left: 8.0),
child: ListTile(
title: Text(getFileName(element)),
subtitle: Text(
"${getFileType(element)} · ${formatBytes(element.filesize)}",
),
trailing: TextButton(
style: TextButton.styleFrom(
shape: const CircleBorder(),
foregroundColor: Colors.red,
),
child: const Icon(Icons.delete),
onPressed: () => disposeAttachment(context, element, index),
),
),
);
},
separatorBuilder: (context, index) => const Divider(),
),
),
],
);
}
}

1
lib/screens/publish/comment_editor.dart
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@@ -1,6 +1,5 @@
import 'dart:convert';
import 'package:flutter/cupertino.dart';
import 'package:flutter/material.dart';
import 'package:shared_preferences/shared_preferences.dart';
import 'package:solaragent/auth.dart';

20
lib/screens/publish/moment_editor.dart
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@@ -1,11 +1,11 @@
import 'dart:convert';
import 'package:flutter/cupertino.dart';
import 'package:flutter/material.dart';
import 'package:image_picker/image_picker.dart';
import 'package:shared_preferences/shared_preferences.dart';
import 'package:solaragent/auth.dart';
import 'package:solaragent/models/feed.dart';
import 'package:solaragent/router.dart';
import 'package:solaragent/screens/publish/attachment_list.dart';
import 'package:url_launcher/url_launcher.dart';
class MomentEditorScreen extends StatefulWidget {
@@ -16,13 +16,14 @@ class MomentEditorScreen extends StatefulWidget {
}
class _MomentEditorScreenState extends State<MomentEditorScreen> {
final picker = ImagePicker();
final contentController = TextEditingController();
bool isSubmitting = false;
bool showRecommendationBanner = true;
List<Attachment> attachments = List.empty(growable: true);
Future<void> postMoment() async {
if (!await authClient.isAuthorized()) return;
@@ -34,6 +35,7 @@ class _MomentEditorScreenState extends State<MomentEditorScreen> {
},
body: jsonEncode(<String, dynamic>{
'content': contentController.value.text,
'attachments': attachments,
}),
);
if (res.statusCode != 200) {
@@ -49,6 +51,16 @@ class _MomentEditorScreenState extends State<MomentEditorScreen> {
setState(() => isSubmitting = false);
}
void viewAttachments(BuildContext context) {
showModalBottomSheet(
context: context,
builder: (context) => AttachmentList(
current: attachments,
onUpdate: (value) => attachments = value,
),
);
}
@override
Widget build(BuildContext context) {
return Scaffold(
@@ -112,9 +124,9 @@ class _MomentEditorScreenState extends State<MomentEditorScreen> {
child: Row(
children: [
TextButton(
onPressed: null,
style: TextButton.styleFrom(shape: const CircleBorder()),
child: const Icon(Icons.camera_alt),
onPressed: () => viewAttachments(context),
)
],
),

10
pubspec.lock
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@@ -90,7 +90,7 @@ packages:
source: hosted
version: "0.3.3+8"
crypto:
dependency: transitive
dependency: "direct main"
description:
name: crypto
sha256: ff625774173754681d66daaf4a448684fb04b78f902da9cb3d308c19cc5e8bab
@@ -129,6 +129,14 @@ packages:
url: "https://pub.dev"
source: hosted
version: "7.0.0"
file_picker:
dependency: "direct main"
description:
name: file_picker
sha256: d1d0ac3966b36dc3e66eeefb40280c17feb87fa2099c6e22e6a1fc959327bd03
url: "https://pub.dev"
source: hosted
version: "8.0.0+1"
file_selector_linux:
dependency: transitive
description:

2
pubspec.yaml
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@@ -48,6 +48,8 @@ dependencies:
flutter_carousel_widget: ^2.2.0
image_picker: ^1.0.7
sentry_flutter: ^7.18.0
crypto: ^3.0.3
file_picker: ^8.0.0+1
dev_dependencies:
flutter_test: