发现页面

This commit is contained in:
2022-10-20 14:33:16 +08:00
parent 42ba10ec61
commit 36b860752a
25 changed files with 2150 additions and 19 deletions

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import 'package:chat/models/moment/moment_model.dart';
import 'package:chat/routes/moments_routes.dart';
import 'package:chat/services/moment_service.dart';
import 'package:chat/utils/ui_tools.dart';
import 'package:chat/views/moments/index/widgets/quick_reply_bar.dart';
import 'package:flutter/material.dart';
import 'package:flutter_easyrefresh/easy_refresh.dart';
import 'package:get/get.dart';
class MomentController extends GetxController {
static MomentController get to => Get.find<MomentController>();
final EasyRefreshController refreshController = EasyRefreshController();
final ScrollController scrollController = ScrollController();
// 连接通知器
final LinkHeaderNotifier headerNotifier = LinkHeaderNotifier();
final momentData = Rx<MomentModel?>(null);
// 当前选中的moment id
int currentMomentIndex = 0;
static const defaultHitText = '回复';
final replyBarHitTest = defaultHitText.obs;
@override
void onReady() {
super.onReady();
callRefresh();
}
@override
void onClose() {
refreshController.dispose();
scrollController.dispose();
headerNotifier.dispose();
super.onClose();
}
void callRefresh() {
refreshController.callRefresh();
}
Future<void> refreshList() async {
final res = await MomentService.fetchMomentList();
if (res != null) {
momentData.value = res;
}
refreshController.resetLoadState();
}
Future<void> loadMoreList() async {
final res = await MomentService.fetchMomentList(
momentData.value?.data?.last.createdAt);
if (res != null) {
final data = res.data ?? [];
if (data.isEmpty || res.page?.hasMore == true) {
refreshController.finishLoad(noMore: true);
}
momentData.value?.data?.addAll(data);
momentData.refresh();
}
}
void pushToDetail(int index) {
currentMomentIndex = index;
Get.toNamed(MomentsRoutes.detail, arguments: {'index': index});
}
// 点赞
Future<void> likeMoment(MomentItemModel item) async {
final result = await MomentService.likeMoment(item.dynamicId!);
if (result != null) {
if (item.isLike != result && result && item.likerCount != null) {
item.likerCount = item.likerCount! + 1;
} else {
item.likerCount = item.likerCount! - 1;
}
item.isLike = result;
momentData.refresh();
}
}
// 删除动态
Future<void> delMoment(MomentItemModel item) async {
final result = await MomentService.delMoment(item.dynamicId!);
if (result == true) {
final moment = momentData.value?.data?.indexWhere(
(e) => e.dynamicId == item.dynamicId,
);
momentData.value?.data!.removeAt(moment!);
momentData.refresh();
Get.back();
}
}
// 删除评论
Future<void> delReply(
int index,
int dynamicId, [
Comment? comment,
]) async {
final result = await MomentService.delComment(
dynamicId,
comment?.id,
);
if (result == true) {
final moment = momentData.value?.data?.firstWhere(
(e) => e.dynamicId == dynamicId,
orElse: () => MomentItemModel(),
);
if (moment?.dynamicId == null) return;
moment?.comments?.removeAt(index);
momentData.refresh();
UiTools.toast('删除成功');
}
}
// 发送回复
Future<void> sendReply(
int dynamicId,
String content, [
Comment? comment,
]) async {
final result = await MomentService.replyComment(
dynamicId,
content,
comment?.id,
);
if (result != null) {
final moment = momentData.value?.data?.firstWhere(
(e) => e.dynamicId == dynamicId,
orElse: () => MomentItemModel(),
);
if (moment?.dynamicId == null) return;
moment?.comments?.add(result);
momentData.refresh();
Get.back();
// UiTools.toast('回复成功');
}
}
// 弹出QuickReplyBar
Future<void> showReplyBar(int dynamicId, [Comment? comment]) async {
Get.bottomSheet(
QuickReplyBar(dynamicId: dynamicId, comment: comment),
);
}
}

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import 'package:chat/controllers/moment_controller.dart';
import 'package:chat/models/upload_model.dart';
import 'package:chat/routes/moments_routes.dart';
import 'package:chat/services/moment_service.dart';
import 'package:chat/utils/ui_tools.dart';
import 'package:chat/views/moments/publish/widgets/delete_dialog.dart';
import 'package:flutter/material.dart';
import 'package:flutter_easyloading/flutter_easyloading.dart';
import 'package:get/get.dart';
import 'package:tuple/tuple.dart';
import 'package:wechat_assets_picker/wechat_assets_picker.dart';
class PublishController extends GetxController {
static PublishController get to => Get.find<PublishController>();
static const fileMaxLength = 9;
/// 发布"发现"的文件列表
final publishFileList = <AssetEntity>[].obs;
/// 已上传的文件获得的url
///
/// [Tuple(hashCode, UploadModel)]
final uploadedFileList = <Tuple2<int, UploadModel?>>[];
/// preview页显示的下标
final publistFileIndex = 0.obs;
/// 发布的文本内容
final publishContent = ''.obs;
/// 退出确认
Future<bool> exitConfirmation() async {
if (publishFileList.isEmpty && publishContent.isEmpty) return true;
final result = await Get.defaultDialog<bool?>(
title: '确认',
middleText: '退出后将不会保存内容',
onConfirm: () {
Get.back(result: true);
},
);
return result == true;
}
Future<void> publish() async {
FocusScope.of(Get.context!).requestFocus(FocusNode());
EasyLoading.show(status: '上传中', maskType: EasyLoadingMaskType.black);
final result = await uploadAllFile();
if (!result) return;
final res = await MomentService.publishMoment(
description: publishContent.value,
pictures: uploadedFileList.map((e) => e.item2!.url).toList(),
);
EasyLoading.dismiss();
if (res != null) {
UiTools.toast('发表成功');
Get.back();
MomentController.to.refreshList();
}
}
Future<bool> uploadAllFile() async {
try {
for (var i = 0; i < publishFileList.length; i++) {
final file = publishFileList[i];
final exists = uploadedFileList.any(
(e) => (e.item1 == file.hashCode && e.item2?.url != null),
);
if (!exists) {
final res = await MomentService.uploadFile((await file.file)!.path);
if (res == null) throw Exception('上传失败');
for (var index = 0; index < uploadedFileList.length; index++) {
final uploaded = uploadedFileList[index];
if (uploaded.item1 == file.hashCode) {
uploadedFileList[index] = uploaded.withItem2(res);
}
}
}
}
return true;
} catch (e) {
UiTools.toast('上传失败');
return false;
}
}
Future<void> deleteImageOrVideo(int index) async {
final result = await Get.dialog<bool?>(const PublishDeleteDialog());
if (result == true) {
removeFileByIndex(index);
}
}
/// 选择文件并添加到[publishFileList]里
Future<void> pickImageOrVideo() async {
FocusScope.of(Get.context!).requestFocus(FocusNode());
final result = await AssetPicker.pickAssets(
Get.context!,
pickerConfig: AssetPickerConfig(
maxAssets: fileMaxLength - publishFileList.length,
),
);
if (result == null) return;
bool videoAlreadyExists =
publishFileList.any((e) => e.type == AssetType.video);
final list = result.where(
(e) {
if (e.type == AssetType.image) return true;
if (videoAlreadyExists) return false;
final authorized = e.videoDuration.inSeconds <= 30;
if (authorized) videoAlreadyExists = true;
return authorized;
},
).toList();
if (videoAlreadyExists && list.length != result.length) {
UiTools.toast('最多能选择一个视频, 且视频时长不能超过30秒');
} else if (list.length != result.length) {
UiTools.toast('视频时长不能超过30秒');
}
// ignore: todo
// TODO: 限制视频或者图片大小
publishFileList.addAll(list);
list.asMap().forEach((index, file) {
uploadedFileList.add(Tuple2(file.hashCode, null));
});
}
/// preview[publishFileList]里的文件
void previewFiles(int index) {
FocusScope.of(Get.context!).requestFocus(FocusNode());
publistFileIndex.value = index;
Get.toNamed(MomentsRoutes.publishPreview);
}
/// 按index删除file
void removeFileByIndex(int index) {
uploadedFileList.removeAt(index);
publishFileList.removeAt(index);
if (publishFileList.isEmpty &&
Get.currentRoute == MomentsRoutes.publishPreview) Get.back();
if (publistFileIndex.value >= publishFileList.length) {
publistFileIndex.value = publishFileList.length - 1;
}
}
/// 删除preview当前显示的file
void removeFileByCurrentIndex() {
removeFileByIndex(publistFileIndex.value);
}
}