226 lines
7.7 KiB
JavaScript
226 lines
7.7 KiB
JavaScript
import {
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View,
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RefreshControl,
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ActivityIndicator,
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Animated,
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Easing,
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TouchableOpacity,
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} from "react-native";
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import React, { useState, useRef, useEffect } from "react";
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import StreamerCard from "../../../components/StreamerCard";
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import Empty from "../../../components/Empty";
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import { useTailwind } from "tailwind-rn";
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import baseRequest from "../../../utils/baseRequest";
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import Toast from "react-native-toast-message";
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import { generateSignature } from "../../../utils/crypto";
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import { FlashList } from "@shopify/flash-list";
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import { Svg, Path } from "react-native-svg";
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export default function FeedStream() {
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//获取推荐的主播mid
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const [recommMids, setRecommMids] = useState([]);
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const getRecommMids = async () => {
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if (!isEnd) return;
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const apiUrl = process.env.EXPO_PUBLIC_API_URL;
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try {
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const base = await baseRequest();
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const signature = await generateSignature({
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...base,
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});
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const response = await fetch(
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`${apiUrl}/api/streamer/recomm_list?signature=${signature}`,
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{
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method: "POST",
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headers: {
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"Content-Type": "application/json",
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},
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body: JSON.stringify({
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...base,
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}),
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}
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);
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const recommData = await response.json();
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if (recommData.ret === -1) {
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Toast.show({
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type: "error",
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text1: recommData.msg,
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topOffset: 60,
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});
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return;
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}
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setIsEnd(false);
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setRecommMids(recommData.data.recomm_list);
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} catch (error) {
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console.error(error);
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}
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};
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//查询的起始索引
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const [startIndex, setStartIndex] = useState(0);
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// 定义每次取多少个用户ID
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const batchSize = 4;
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//获取新数据
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const [data, setData] = useState([]);
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const [isEnd, setIsEnd] = useState(true);
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const [isActivityIndicatorShow, setIsActivityIndicatorShow] = useState(true);
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const [isFetching, setIsFetching] = useState(false);
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const getData = async (type) => {
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if (isFetching) return;
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if (isEnd) return;
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if (recommMids.length === 0) return;
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const apiUrl = process.env.EXPO_PUBLIC_API_URL;
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const batchStreamerMids = recommMids.slice(
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startIndex,
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startIndex + batchSize
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);
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if (batchStreamerMids.length === 0) {
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if (type !== "top") {
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setIsActivityIndicatorShow(false);
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return;
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}
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setIsActivityIndicatorShow(true);
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setIsEnd(true);
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setStartIndex(0);
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return;
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}
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setIsFetching((prev) => true);
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try {
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const base = await baseRequest();
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const signature = await generateSignature({
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mids: batchStreamerMids,
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...base,
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});
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const detailResponse = await fetch(
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`${apiUrl}/api/streamer/list_ext_by_mids?signature=${signature}`,
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{
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method: "POST",
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headers: {
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"Content-Type": "application/json",
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},
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body: JSON.stringify({
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mids: batchStreamerMids,
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...base,
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}),
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}
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);
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const detailData = await detailResponse.json();
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if (detailData.ret === -1) {
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Toast.show({
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type: "error",
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text1: detailData.msg,
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topOffset: 60,
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});
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return;
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}
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const sortedData = detailData.data.list.sort((a, b) => b.fans - a.fans);
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if (type === "top") {
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setData((prev) => {
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if (startIndex === 0) {
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return sortedData;
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} else return [...sortedData, ...prev];
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});
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} else {
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setData((prev) => [...prev, ...sortedData]);
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}
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// 更新下一次查询的起始索引
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setStartIndex(startIndex + batchSize);
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setIsFetching((prev) => false);
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} catch (error) {
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console.error(error);
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}
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};
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//获取推荐mid
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useEffect(() => {
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getRecommMids();
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}, [isEnd]);
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//当推荐的mid改变，获取新数据
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useEffect(() => {
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getData("top");
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}, [recommMids]);
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const tailwind = useTailwind();
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const renderItem = ({ item }) => <StreamerCard data={item} />;
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const [refreshing, setRefreshing] = useState(false);
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//刷新动画
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const flatListRef = useRef(null);
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const [rotateValue] = useState(new Animated.Value(0));
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const startRotation = () => {
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Animated.timing(rotateValue, {
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toValue: 1,
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duration: 500,
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easing: Easing.linear,
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useNativeDriver: true,
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}).start(() => {
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rotateValue.setValue(0);
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});
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};
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const spin = rotateValue.interpolate({
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inputRange: [0, 1],
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outputRange: ["0deg", "360deg"],
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});
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//下拉刷新
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const handleRefresh = async () => {
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startRotation();
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flatListRef.current.scrollToOffset({ animated: false, offset: 0 });
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setRefreshing(true);
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await getData("top");
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setRefreshing(false);
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};
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return (
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<View style={tailwind("flex-1")}>
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<FlashList
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ref={flatListRef}
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data={data}
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renderItem={renderItem}
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estimatedItemSize={287}
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initialNumToRender={4}
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refreshControl={
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<RefreshControl
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colors={["#FF669E"]}
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tintColor="white"
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refreshing={refreshing}
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onRefresh={() => handleRefresh()}
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/>
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}
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onEndReached={() => getData("bottom")}
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ListEmptyComponent={<Empty type="nodata" />}
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ListFooterComponent={
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<View>
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{isActivityIndicatorShow && data.length !== 0 && (
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<ActivityIndicator style={tailwind("my-4")} size="large" />
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)}
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</View>
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}
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keyExtractor={(item) => item.mid}
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/>
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<TouchableOpacity
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style={tailwind(
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"absolute right-5 bottom-5 bg-[#13121F] p-1 rounded-full"
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)}
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onPress={handleRefresh}
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>
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<Animated.View style={{ transform: [{ rotate: spin }] }}>
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<Svg viewBox="0 0 1024 1024" width="30" height="30">
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<Path
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d="M855.7 546.3c-16.6 0-30-13.5-30-30.1 0.1-72.8-25.1-143.9-71-200.4l-1-1.3c-31.5-38.5-72.1-69.2-117.3-88.9l-0.6-0.2-2.2-1c-6.8-2.9-14.3-5.6-22.9-8.4l-0.6-0.2-6.5-2.3c-7.1-2.1-14.7-3.9-20.6-5.3-1.2-0.3-2.3-0.5-3.5-0.8-2.1-0.5-4-1-5.6-1.3l-0.4-0.1c-6.8-1.4-14.1-2.5-21.7-3.3l-0.8-0.1-8.4-1.2c-73.7-7.1-147.4 12.6-207.8 55.6-13.5 9.6-32.2 6.5-41.8-7-9.6-13.5-6.5-32.2 7-41.8 72.3-51.5 160.8-75.1 249.1-66.4l1.3 0.2 8.7 1.2c9 1 17.8 2.4 26 4 3.1 0.6 6 1.3 8.6 1.9 1 0.2 1.9 0.5 2.9 0.7 7 1.6 16.2 3.8 25.2 6.5l1.2 0.4 6.9 2.4c10.2 3.4 19.3 6.7 27.7 10.3l0.8 0.4 2.4 1.1c54.1 23.6 102.4 60.4 139.9 106.3l1 1.4c54.4 67.1 84.2 151.5 84.1 237.9-0.1 16.4-13.6 29.8-30.1 29.8z"
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fill="#ffffff"
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></Path>
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<Path
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d="M872.5 661.6l78.9-114.5c9-13.1-0.3-30.9-16.3-30.9H777.4c-15.9 0-25.3 17.8-16.3 30.9L840 661.6c7.9 11.4 24.7 11.4 32.5 0zM513.3 884.1c-12 0-24-0.6-36-1.8l-1.3-0.2-8.6-1.2c-9-1-17.8-2.4-26-4-3.1-0.6-6-1.3-8.6-1.9-1-0.2-1.9-0.5-2.9-0.7-7-1.6-16.2-3.8-25.2-6.5l-1.2-0.4-6.9-2.4c-10.2-3.4-19.3-6.7-27.7-10.3l-0.8-0.4-2.4-1.1c-54.1-23.6-102.4-60.4-139.9-106.3l-1-1.4c-54.4-67.1-84.2-151.5-84.1-237.9 0-16.6 13.5-29.9 30-29.9h0.1c16.6 0 30 13.5 29.9 30.1-0.1 72.8 25.1 143.9 71 200.4l1 1.3c31.5 38.5 72.1 69.2 117.3 88.9l2.8 1.3c6.8 2.9 14.3 5.6 22.9 8.4l0.6 0.2 6.5 2.3c7.1 2.1 14.7 3.9 20.6 5.3 1.2 0.3 2.3 0.5 3.5 0.8 2.1 0.5 4 1 5.6 1.3l0.4 0.1c6.8 1.3 14.1 2.5 21.7 3.3l0.8 0.1 8.4 1.2c73.7 7.1 147.4-12.6 207.8-55.6 13.5-9.6 32.2-6.5 41.8 7 9.6 13.5 6.5 32.2-7 41.8-62.5 44.5-137 68.2-213.1 68.2z"
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fill="#ffffff"
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></Path>
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<Path
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d="M153.8 362.4L74.9 476.9c-9 13.1 0.3 30.9 16.3 30.9H249c15.9 0 25.3-17.8 16.3-30.9l-78.9-114.5c-7.9-11.4-24.7-11.4-32.6 0z"
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fill="#ffffff"
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></Path>
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</Svg>
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</Animated.View>
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</TouchableOpacity>
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</View>
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);
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}
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