125 lines
3.6 KiB
Dart
125 lines
3.6 KiB
Dart
import 'package:flutter/material.dart';
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import 'package:get/get.dart';
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import 'package:get/get_rx/src/rx_workers/utils/debouncer.dart';
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import 'package:hive/hive.dart';
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import 'package:pilipala/http/search.dart';
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import 'package:pilipala/models/search/hot.dart';
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import 'package:pilipala/models/search/suggest.dart';
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import 'package:pilipala/utils/storage.dart';
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class SSearchController extends GetxController {
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final FocusNode searchFocusNode = FocusNode();
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RxString searchKeyWord = ''.obs;
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Rx<TextEditingController> controller = TextEditingController().obs;
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List<HotSearchItem> hotSearchList = [];
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Box hotKeyword = GStrorage.hotKeyword;
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Box histiryWord = GStrorage.historyword;
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List historyCacheList = [];
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RxList historyList = [].obs;
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RxList<SearchSuggestItem> searchSuggestList = [SearchSuggestItem()].obs;
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final _debouncer =
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Debouncer(delay: const Duration(milliseconds: 200)); // 设置延迟时间
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String hintText = '搜索';
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@override
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void onInit() {
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super.onInit();
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if (hotKeyword.get('cacheList') != null &&
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hotKeyword.get('cacheList').isNotEmpty) {
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List<HotSearchItem> list = [];
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for (var i in hotKeyword.get('cacheList')) {
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list.add(i);
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}
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hotSearchList = list;
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}
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// 其他页面跳转过来
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if (Get.parameters.keys.isNotEmpty) {
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if (Get.parameters['keyword'] != null) {
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onClickKeyword(Get.parameters['keyword']!);
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}
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if (Get.parameters['hintText'] != null) {
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hintText = Get.parameters['hintText']!;
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searchKeyWord.value = hintText;
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}
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}
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historyCacheList = histiryWord.get('cacheList') ?? [];
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historyList.value = historyCacheList;
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}
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void onChange(value) {
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searchKeyWord.value = value;
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if (value == '') {
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searchSuggestList.value = [];
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return;
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}
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_debouncer.call(() => querySearchSuggest(value));
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}
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void onClear() {
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if (searchKeyWord.value.isNotEmpty && controller.value.text != '') {
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controller.value.clear();
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searchKeyWord.value = '';
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searchSuggestList.value = [];
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} else {
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Get.back();
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}
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}
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// 搜索
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void submit() {
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// ignore: unrelated_type_equality_checks
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if (searchKeyWord == '') {
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return;
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}
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List arr = historyCacheList.where((e) => e != searchKeyWord.value).toList();
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arr.insert(0, searchKeyWord.value);
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historyCacheList = arr;
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historyList.value = historyCacheList;
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// 手动刷新
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historyList.refresh();
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histiryWord.put('cacheList', historyCacheList);
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searchFocusNode.unfocus();
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Get.toNamed('/searchResult', parameters: {'keyword': searchKeyWord.value});
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}
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// 获取热搜关键词
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Future queryHotSearchList() async {
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var result = await SearchHttp.hotSearchList();
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hotSearchList = result['data'].list;
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hotKeyword.put('cacheList', result['data'].list);
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return result;
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}
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// 点击热搜关键词
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void onClickKeyword(String keyword) {
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searchKeyWord.value = keyword;
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controller.value.text = keyword;
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// 移动光标
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controller.value.selection = TextSelection.fromPosition(
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TextPosition(offset: controller.value.text.length),
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);
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submit();
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}
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Future querySearchSuggest(String value) async {
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var result = await SearchHttp.searchSuggest(term: value);
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if (result['status']) {
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searchSuggestList.value = result['data'].tag;
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}
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}
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onSelect(word) {
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searchKeyWord.value = word;
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controller.value.text = word;
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submit();
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}
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onClearHis() {
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historyList.value = [];
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historyCacheList = [];
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historyList.refresh();
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histiryWord.put('cacheList', []);
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}
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}
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