59 lines
1.3 KiB
Dart
59 lines
1.3 KiB
Dart
import 'package:flutter/material.dart';
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class Apply {
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int? relation;
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String? applicant, recipient, hello, createdAt;
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String? groupChatId;
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Map<String, dynamic>? setting;
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Apply.fromJson(Map<String, dynamic> json) {
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relation = json['relation'];
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applicant = json['applicant'];
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recipient = json['recipient'];
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hello = json['hello'];
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groupChatId = json['groupChatId'];
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setting = json['setting'];
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}
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}
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class ApplyList extends ChangeNotifier {
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List<Apply> applyList = [];
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List<String> applicantIds = [];
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int count = 0;
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void init(dynamic json) {
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for (var element in json) {
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Apply apply = Apply.fromJson(element);
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applyList.add(apply);
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applicantIds.add(element['applicant']);
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count += 1;
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}
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}
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void removeAt(int index) {
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applyList.removeAt(index);
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applicantIds.removeAt(index);
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count--;
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notifyListeners();
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}
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void addJson(Map<String, dynamic> json) {
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Apply apply = Apply.fromJson(json);
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int index = applicantIds.indexOf(json['applicant']);
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if (index != -1) {
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applyList.removeAt(index);
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count--;
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}
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applyList.add(apply);
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applicantIds.add(json['applicant']);
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count++;
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notifyListeners();
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}
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void clear() {
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applyList.clear();
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applicantIds.clear();
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count = 0;
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}
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}
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