support search for tag list

src/pages/tag/TagList.vue

@@ -1,9 +1,17 @@
 <template>
 	<div v-can="corePermissionCodes.tag.read" class="tag-list">
+		<t-input
+			v-model.trim="keyword"
+			class="search"
+			type="search"
+			borderless
+			placeholder="搜索标签"
+		/>
 		<t-pull-down-refresh
 			v-model="isRefreshing"
 			:refresh-timeout="30000"
 			@refresh="refresh"
+			@scrolltolower="loadMore"
 		>
 			<div class="tag-panel">
 				<div
@@ -23,7 +31,8 @@
 					</button>
 				</div>
 			</div>
-			<div v-if="!tagList.length" class="empty" v-text="isLoading ? '正在加载标签' : '暂无标签'" />
+			<div v-if="!tagList.length" class="empty" v-text="emptyText" />
+			<div v-if="tagList.length" class="load-state" v-text="isLoading ? '正在加载更多' : isNoMore ? '已经到底了' : '上拉加载更多'" />
 		</t-pull-down-refresh>
 		<t-button v-can="corePermissionCodes.tag.create" class="create" theme="primary" @click="openCreateDialog">
 			<template #icon>
@@ -54,7 +63,7 @@
 
 <script setup lang="ts">
 import { DialogPlugin, Toast } from "tdesign-mobile-vue";
-import { useUserStore } from "timi-web";
+import { type Page, useUserStore } from "timi-web";
 import TagAPI from "@/api/TagAPI";
 import type { Tag } from "@/types/Tag";
 import { corePermissionCodes } from "@/utils/permission";
@@ -66,11 +75,20 @@ defineOptions({
 const userStore = useUserStore();
 
 const pageSize = 100;
+const keyword = ref("");
 const tagList = ref<Tag[]>([]);
 const isLoading = ref(false);
 const isSaving = ref(false);
 const isRefreshing = ref(false);
+const isNoMore = ref(false);
 const editDialogVisible = ref(false);
+const total = ref(0);
+const page = reactive<Page<Tag>>({
+	index: 0,
+	size: pageSize
+});
+let keywordTimer: number | undefined;
+let requestToken = 0;
 const formModel = reactive({
 	id: "",
 	name: ""
@@ -79,35 +97,71 @@ const formModel = reactive({
 const canUpdateTag = computed(() => userStore.hasPermissions(corePermissionCodes.tag.update));
 const canDeleteTag = computed(() => userStore.hasPermissions(corePermissionCodes.tag.delete));
 const isCreateMode = computed(() => !formModel.id);
+const emptyText = computed(() => {
+	if (isLoading.value) {
+		return "正在加载标签";
+	}
+	return keyword.value.trim() ? "未找到匹配标签" : "暂无标签";
+});
 
 function getTagName(tag: Tag): string {
 	return tag.name || tag.zhCN || "未命名标签";
 }
 
-async function loadTags(): Promise<void> {
+async function fetch(reset = false): Promise<void> {
+	if (!reset && (isLoading.value || isNoMore.value)) {
+		return;
+	}
+	if (reset) {
+		page.index = 0;
+		tagList.value = [];
+		total.value = 0;
+		isNoMore.value = false;
+	}
+	const token = ++requestToken;
+	const currentKeyword = keyword.value.trim();
 	isLoading.value = true;
 	try {
 		const result = await TagAPI.list({
-			index: 0,
-			size: pageSize
+			...page,
+			likesExample: currentKeyword ? { name: currentKeyword } : undefined
 		});
-		tagList.value = result.list || [];
+		if (token !== requestToken) {
+			return;
+		}
+		const list = result.list || [];
+		tagList.value = reset ? list : tagList.value.concat(list);
+		total.value = result.total;
+		page.index += 1;
+		isNoMore.value = list.length < page.size || total.value <= tagList.value.length;
 	} catch {
-		Toast.error("标签加载失败");
+		if (token === requestToken) {
+			Toast.error("标签加载失败");
+		}
 	} finally {
-		isLoading.value = false;
+		if (token === requestToken) {
+			isLoading.value = false;
+		}
 	}
 }
 
+async function loadMore(): Promise<void> {
+	await fetch();
+}
+
 async function refresh(): Promise<void> {
 	isRefreshing.value = true;
 	try {
-		await loadTags();
+		await reload();
 	} finally {
 		isRefreshing.value = false;
 	}
 }
 
+async function reload(): Promise<void> {
+	await fetch(true);
+}
+
 function openCreateDialog(): void {
 	formModel.id = "";
 	formModel.name = "";
@@ -152,7 +206,7 @@ async function saveTag(): Promise<void> {
 			await TagAPI.update(payload);
 		}
 		editDialogVisible.value = false;
-		await loadTags();
+		await reload();
 		Toast.success("标签已保存");
 	} catch {
 		Toast.error("标签保存失败");
@@ -188,14 +242,25 @@ async function removeTag(id: string): Promise<void> {
 	}
 	try {
 		await TagAPI.remove(id);
-		tagList.value = tagList.value.filter(item => item.id !== id);
+		await reload();
 		Toast.success("标签已删除");
 	} catch {
 		Toast.error("标签删除失败");
 	}
 }
 
-onMounted(loadTags);
+onMounted(reload);
+
+watch(keyword, () => {
+	window.clearTimeout(keywordTimer);
+	keywordTimer = window.setTimeout(async () => {
+		await reload();
+	}, 300);
+});
+
+onUnmounted(() => {
+	window.clearTimeout(keywordTimer);
+});
 </script>
 
 <style scoped lang="less">
@@ -245,12 +310,25 @@ onMounted(loadTags);
 		}
 	}
 
+	.search {
+		margin: 0 1rem 1rem;
+		padding: .5rem 1rem;
+		border: 1px solid var(--td-component-border);
+		border-radius: .875rem;
+	}
+
 	.empty {
 		color: #52607a;
 		padding: 2rem 1rem;
 		text-align: center;
 	}
 
+	.load-state {
+		color: #52607a;
+		padding: .75rem 1rem 1rem;
+		text-align: center;
+	}
+
 	.create {
 		left: 1rem;
 		right: 1rem;
@@ -273,7 +351,8 @@ onMounted(loadTags);
 :global(html.theme-dark) {
 	.tag-list {
 
-		.empty {
+		.empty,
+		.load-state {
 			color: #94a3b8;
 		}
 	}