flutter_kinetra/lib/kt_pages/kt_home/logic.dart

import 'package:easy_refresh/easy_refresh.dart';
import 'package:flutter/material.dart';
import 'package:flutter_kinetra/kt_model/kt_home_category_bean.dart';
import 'package:flutter_kinetra/kt_pages/kt_home/state.dart';
import 'package:get/get.dart';

import '../../dio_cilent/kt_apis.dart';
import '../../dio_cilent/kt_request.dart';
import '../../kt_model/kt_short_video_bean.dart';
import '../../kt_widgets/kt_status_widget.dart';

class KtHomeLogic extends GetxController {
  final state = KtHomeState();

  final EasyRefreshController easyRefreshController = EasyRefreshController(
    controlFinishRefresh: true,
    controlFinishLoad: true,
  );

  @override
  void onReady() {
    super.onReady();
    refreshData();
  }

  refreshData() {
    getHomeInfo();
    getMostSearchList();
  }

  loadMoreData() {
    if (state.selDiscover == 0) {
      easyRefreshController.finishLoad(IndicatorResult.noMore);
      return;
    }
    state.pageIndex++;
    getCategoryVideoList();
  }

  getHomeInfo() async {
    state.loadStatus = KtLoadStatusType.loading;
    try {
      ApiResponse res = await KtHttpClient().request(
        KtApis.homeAllModules,
        method: HttpMethod.get,
      );
      easyRefreshController.finishRefresh();

      if (res.success) {
        state.loadStatus = KtLoadStatusType.loadSuccess;
        res.data['list'].forEach((item) {
          if (item['module_key'] == 'home_banner') {
            state.bannerList = [
              ...item['data']
                  .map(
                    (item) =>
                        KtShortVideoBean.fromJson(item as Map<String, dynamic>),
                  )
                  .toList(),
            ];
          } else if (item['module_key'] == 'highest_payment_hot_video') {
            state.topPickList = [
              ...item['data']
                  .map(
                    (item) =>
                        KtShortVideoBean.fromJson(item as Map<String, dynamic>),
                  )
                  .toList(),
            ];
          } else if (item['module_key'] == 'new_recommand') {
            state.arrivalList = [
              ...item['data']['list']
                  .map(
                    (item) =>
                        KtShortVideoBean.fromJson(item as Map<String, dynamic>),
                  )
                  .toList(),
            ];
          } else if (item['module_key'] == 'week_highest_recommend') {
            state.hotList = [
              ...item['data']
                  .map(
                    (item) =>
                        KtShortVideoBean.fromJson(item as Map<String, dynamic>),
                  )
                  .toList(),
            ];
          } else if (item['module_key'] == 'category_navigation') {
            state.categoryList = [
              ...item['data']
                  .map(
                    (item) => KtHomeCategoryBean.fromJson(
                      item as Map<String, dynamic>,
                    ),
                  )
                  .toList(),
            ];
            if (state.selCategoryId == -1) {
              state.selCategoryId = state.categoryList.first.categoryId ?? -1;
            }
            getCategoryVideoList(isRefresh: true);
          }
        });

        if (state.hotList.isEmpty &&
            state.bannerList.isEmpty &&
            state.arrivalList.isEmpty) {
          state.loadStatus = KtLoadStatusType.loadNoData;
        }
      } else {
        state.loadStatus = KtLoadStatusType.loadFailed;
      }
      update();
    } catch (e) {
      state.loadStatus = KtLoadStatusType.loadFailed;
      update();
    }
  }

  getMostSearchList() async {
    ApiResponse res = await KtHttpClient().request(
      KtApis.searchHot,
      method: HttpMethod.get,
    );
    if (res.success) {
      state.mostSearchedList = [
        ...res.data['list'].map((item) => KtShortVideoBean.fromJson(item)),
      ];
      if (state.mostSearchedList.length > 3) {
        state.mostSearchedList = state.mostSearchedList.sublist(0, 3);
      }
      update(['trend']);
    }
  }

  getCategoryVideoList({bool isRefresh = false}) async {
    state.categoryLoadStatus = KtLoadStatusType.loading;
    if (isRefresh) {
      state.pageIndex = 1;
      state.categoryVideoList.clear();
      update();
    }
    Map<String, dynamic> params = {
      'current_page': state.pageIndex,
      'page_size': 20,
    };
    if (state.selCategoryId != -1) {
      params.putIfAbsent('category_id', () => state.selCategoryId);
    }

    ApiResponse res = await KtHttpClient().request(
      KtApis.homeVideoList,
      method: HttpMethod.get,
      queryParameters: params,
    );
    easyRefreshController.finishRefresh();
    easyRefreshController.finishLoad();
    if (res.success) {
      state.categoryLoadStatus = KtLoadStatusType.loadSuccess;
      List<KtShortVideoBean> list = [
        ...res.data['list']
            .map(
              (item) => KtShortVideoBean.fromJson(item as Map<String, dynamic>),
            )
            .toList(),
      ];
      if (list.length < 20) {
        easyRefreshController.finishLoad(IndicatorResult.noMore);
      }
      state.categoryVideoList.addAll(list);
      if (state.categoryVideoList.isEmpty) {
        state.categoryLoadStatus = KtLoadStatusType.loadNoData;
      }

      update();
    } else {
      state.categoryLoadStatus = KtLoadStatusType.loadFailed;
      update();
    }
  }
}