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import 'package:flutter/material.dart';
import 'package:gmalpha_flutter/NewMessageModel/service/remote/entity/AttentionEntity.dart';
import 'package:gmalpha_flutter/NewMessageModel/service/MessageRepository.dart';
import 'package:gmalpha_flutter/commonModel/live/BaseModel.dart';
import 'package:gmalpha_flutter/commonModel/live/LiveData.dart';
import 'package:gmalpha_flutter/commonModel/toast/toast.dart';
enum DataStatus {
DATA,
NODATA
}
class AttentionModel extends BaseModel {
LiveData<AttentionEntity> attentiveLive = new LiveData();
List<Data> _newList = [];
int page;
final int count = 10;
final String fromPage;
AttentionModel(this.page, this.fromPage);
init(BuildContext context, {Function callback}) {
DataStatus loadStatus = DataStatus.DATA;
MessageRepository.getInstance().getAttentionList(page, count).listen((value) {
if (value != null) {
// 增加一个字段，用来判断是否还有数据
if (value.data.length == 0) {
loadStatus = DataStatus.NODATA;
}
_newList.addAll(value.data);
value.data = _newList;
attentiveLive.notifyView(value);
if (callback is Function) {
callback(loadStatus);
}
}
}).onError((error) {
Toast.show(context, "${error.toString()}");
print(error);
});
}
refresh(BuildContext context) {
page = 1;
_newList = [];
init(context);
}
more(BuildContext context, Function fun) {
page++;
init(context, callback: fun);
}
@override
void dispose() {
attentiveLive.dispost();
}
}