feat(page): 完善 切换线路

waifu-project · Apr 2, 2022 · d9705b4 · d9705b4
1 parent 0d086a9
commit d9705b4
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Showing 6 changed files with 278 additions and 81 deletions.
diff --git a/lib/api/helper.dart b/lib/api/helper.dart
@@ -8,9 +8,17 @@ String createVodTypeURL(int id) {
   return "/vodtype/$id.html";
 }
 
+/// [vodType] 为类型 `id`
 /// [action] 为空则为全部
-String createVodTypeAndTypeURL(int vodType, String action) {
-  return "/vodshow/$vodType---$action--------.html";
+/// [page] 页数
+///
+/// 不要🙅🏻‍♀️使用 [createVodTypeURL] 函数来生成线路操作
+String createVodTypeAndTypeURL({
+  required int vodType,
+  String action = "",
+  int page = 1,
+}) {
+  return "/vodshow/$vodType---$action-----$page---.html";
 }
 
 String createVodDetailURL(String detailID) {
@@ -33,13 +41,18 @@ String createVodPlayURL(String id) {
 enum PageQueryStringType {
   /// 搜索
   search,
+
+  /// 线路
+  vodtype,
 }
 
 extension SelfToString on PageQueryStringType {
   String get action {
     switch (this) {
       case PageQueryStringType.search:
         return "vodsearch";
+      case PageQueryStringType.vodtype:
+        return "vodtype";
       default:
         return "";
     }

diff --git a/lib/api/parse_utils.dart b/lib/api/parse_utils.dart
@@ -1,6 +1,50 @@
 import 'package:dan211/modules/vod_movie.dart';
+import 'package:flutter/foundation.dart';
 import 'package:html/dom.dart';
 
+class RespPageData {
+  RespPageData({
+    this.total = -1,
+    this.current = -1,
+    this.totalPage = -1,
+  });
+
+  int total;
+  int current;
+  int totalPage;
+}
+
+RespPageData getRespPageData(DocumentFragment document) {
+  int total = -1;
+  int current = -1;
+  int totalPage = -1;
+
+  var pageTip = document.querySelector(".page_tip")?.text.trim() ?? "";
+  if (pageTip == "共0条数据,当前/页") {
+    debugPrint("搜索的内容为空");
+  } else {
+    // 共1443条数据,当前1/145页
+    var _pageCache = pageTip.split("条数据");
+    total = int.tryParse(_pageCache[0].substring(1)) ?? 0;
+    var _pageNumberCache1 = _pageCache[1].split(",当前")[1];
+    var _pageNumberCache = _pageNumberCache1.substring(
+      0,
+      _pageNumberCache1.length - 1,
+    );
+    var _pageNumberTarget = _pageNumberCache.split("/");
+    current = int.tryParse(_pageNumberTarget[0]) ?? 0;
+    totalPage = int.tryParse(_pageNumberTarget[1]) ?? 0;
+    debugPrint("total: $total\n");
+    debugPrint("current: $current\n");
+    debugPrint("total_page: $totalPage\n");
+  }
+  return RespPageData(
+    total: total,
+    current: current,
+    totalPage: totalPage,
+  );
+}
+
 /// 获取 `vod-type`
 List<VodType> getVodType(DocumentFragment $) {
   var _tags = $.querySelectorAll(".resou a");

diff --git a/lib/api/send.dart b/lib/api/send.dart
@@ -2,9 +2,11 @@ import 'dart:async';
 
 import 'package:dan211/api/parse_utils.dart';
 import 'package:dan211/modules/art_detail.dart';
+import 'package:dan211/modules/vod_case.dart';
 import 'package:dan211/modules/vod_detail.dart';
 import 'package:dan211/modules/vod_play.dart' as vodplay;
 import 'package:dan211/modules/vod_search.dart';
+import 'package:dan211/share/dan_movie_card.dart';
 import 'package:flutter/foundation.dart';
 import 'package:html/parser.dart' as parser;
 import 'package:dan211/modules/vod_movie.dart';
@@ -161,35 +163,55 @@ class SendHttp {
       );
     }).toList();
 
-    int total = -1;
-    int current = -1;
-    int totalPage = -1;
-
-    var pageTip = document.querySelector(".page_tip")?.text.trim() ?? "";
-    if (pageTip == "共0条数据,当前/页") {
-      debugPrint("搜索的内容为空");
-    } else {
-      // 共1443条数据,当前1/145页
-      var _pageCache = pageTip.split("条数据");
-      total = int.tryParse(_pageCache[0].substring(1)) ?? 0;
-      var _pageNumberCache1 = _pageCache[1].split(",当前")[1];
-      var _pageNumberCache = _pageNumberCache1.substring(
-        0,
-        _pageNumberCache1.length - 1,
-      );
-      var _pageNumberTarget = _pageNumberCache.split("/");
-      current = int.tryParse(_pageNumberTarget[0]) ?? 0;
-      totalPage = int.tryParse(_pageNumberTarget[1]) ?? 0;
-      debugPrint("total: $total\n");
-      debugPrint("current: $current\n");
-      debugPrint("total_page: $totalPage\n");
-    }
+    RespPageData _pageData = getRespPageData(document);
 
     return VodSearchRespData(
       data: cards,
-      total: total,
-      current: current,
-      totalPage: totalPage,
+      total: _pageData.total,
+      current: _pageData.current,
+      totalPage: _pageData.totalPage,
+    );
+  }
+
+  static Future<VodCaseRespData> getDataByVodType({
+    required DanMovieCardItem item,
+    int page = 1,
+    String action = "",
+  }) async {
+    String send = createVodTypeAndTypeURL(
+      vodType: item.id ?? -1,
+      page: page,
+      action: action,
+    );
+    var resp = await XHttp.dio.get(send);
+    var document = parser.parseFragment(resp.data);
+    RespPageData _pageData = getRespPageData(document);
+    List<String> tags = document
+        .querySelectorAll("#first_list_p a")
+        .map(
+          (e) => e.text.trim(),
+        )
+        .toList();
+
+    var listNode = document.querySelectorAll(".img-list li");
+
+    List<VodCard> cards = listNode.map((e) {
+      var a = e.querySelector("a");
+      var img = a?.querySelector("img");
+      var title = img?.attributes["alt"]?.trim() ?? "";
+      var id = a?.attributes["href"]?.split("/")[2].split(".html")[0] ?? "";
+      var image = img?.attributes["src"]?.trim() ?? "";
+      return VodCard(
+        cover: image,
+        id: id,
+        title: title,
+      );
+    }).toList();
+
+    return VodCaseRespData(
+      cards: cards,
+      pageData: _pageData,
+      tags: tags,
     );
   }
 }
diff --git a/lib/app/modules/vod_case/controllers/vod_case_controller.dart b/lib/app/modules/vod_case/controllers/vod_case_controller.dart
@@ -1,27 +1,103 @@
+import 'package:dan211/api/parse_utils.dart';
+import 'package:dan211/api/send.dart';
+import 'package:dan211/app/modules/vod_search/views/page_bar.dart';
+import 'package:dan211/modules/vod_case.dart';
 import 'package:dan211/share/dan_movie_card.dart';
 import 'package:dan211/share/dan_movie_data.dart';
 import 'package:get/get.dart';
 
 class VodCaseController extends GetxController {
-  int caseIndex = 0;
+  int _caseIndex = 0;
+
+  int get caseIndex => _caseIndex;
+
+  set caseIndex(int newVal) {
+    _caseIndex = newVal;
+    update();
+    fetchData();
+  }
+
+  VodCaseRespData data = VodCaseRespData(
+    cards: [],
+    pageData: RespPageData(),
+    tags: [],
+  );
 
   List<DanMovieCardItem> get shareData => danMovieShareConstData.data;
 
   DanMovieCardItem get currCaseItem => shareData[caseIndex];
 
+  String currentTag = "全部";
+
+  bool isLoading = false;
+  String errorStack = "";
+  int page = 1;
+
+  String get _currentTagText {
+    /// 事实上如果是 `全部` 则为传递 ` ` 内容
+    if (currentTag == "全部") return "";
+    return currentTag;
+  }
+
+  changeCurrentTag(String item) {
+    currentTag = item;
+    page = 1;
+    update();
+    fetchData();
+  }
+
   changeCaseIndex(DanMovieCardItem? item) {
     if (item == null) return;
     var _index = shareData.indexOf(item);
     if (_index <= -1) return;
+    currentTag = "全部";
+    update();
     caseIndex = _index;
     update();
   }
 
-
+  fetchData() async {
+    isLoading = true;
+    update();
+    try {
+      data = await SendHttp.getDataByVodType(
+        item: currCaseItem,
+        action: _currentTagText,
+        page: page,
+      );
+      isLoading = false;
+      errorStack = "";
+      update();
+    } on Exception catch (e) {
+      isLoading = false;
+      errorStack = e.toString();
+      update();
+    }
+  }
+
+  handlePrevAndNext(CupertinoPageBarActionType _type) async {
+    var _p = page;
+    if (_type == CupertinoPageBarActionType.prev) {
+      page--;
+    } else {
+      page++;
+    }
+    await fetchData();
+
+    /// 错误栈有内容回退操作
+    if (errorStack.isNotEmpty) {
+      page = _p;
+    }
+  }
+
+  beforeHook() {
+    caseIndex = 0;
+  }
 
   @override
   void onInit() {
     super.onInit();
+    beforeHook();
   }
 
   @override