chore: establish V1.1 recovery baseline

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2026-09-09 22:05:00 +08:00
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/**
* 找对象页 U19-U20(重构:用 ui-user-card + matchStore.like + recommendationService.discover)
*
* 不变量(AGENTS.md):
* - 第 2 条:Required 不可自动放宽——Discover 搜索仅透传筛选条件到后端,
* 由后端按 PartnerPreference 做硬约束过滤,前端不做任何"放宽再查"。
* - 第 4 条:Block 即时禁止互动——本页 Like 后由 matchStore 从列表移除。
* - 第 6 条:单向意向不泄露——Pass/Like 未 Mutual 时对方不收到通知。
* - 第 9 条:PostgreSQL 是 Source of Truth——搜索结果不在 Store 持久化,
* 列表状态为页面局部状态(BaseStore 原则 2)。
*/
const { matchStore, appStore, authStore } = require('../../stores');
const { recommendationService } = require('../../services');
const { to } = require('../../constants');
const DEFAULT_AGE_MIN = 18;
const DEFAULT_AGE_MAX = 60;
const PAGE_SIZE = 20;
Page({
data: {
users: [],
loading: false,
loadingMore: false,
cursor: null,
hasMore: true,
// 搜索栏关键词(编辑中)
keywordInput: '',
showFilter: false,
// 临时筛选(编辑中)
tempRegion: '',
tempAgeMin: DEFAULT_AGE_MIN,
tempAgeMax: DEFAULT_AGE_MAX,
// 已应用筛选
applied: { keyword: '', region: '', ageMin: DEFAULT_AGE_MIN, ageMax: DEFAULT_AGE_MAX },
hasActiveFilter: false,
regions: ['丹阳', '镇江', '南京'],
actionLoadingUserId: '',
emptyActions: [
{ text: '清空筛选', event: 'reset', variant: 'primary' },
{ text: '去今日推荐', event: 'home', variant: 'secondary' },
],
},
onLoad() {
if (!authStore.state.isLoggedIn) return;
this.fetchDiscover(true);
},
/** 拉取搜索结果(首页) */
async fetchDiscover(first) {
if (this.data.loading) return;
this.setData({ loading: true });
try {
const result = await recommendationService.discover(this._buildParams());
const items = result.items || [];
this.setData({
users: first ? items : [...this.data.users, ...items],
cursor: result.nextCursor || null,
hasMore: !!result.nextCursor,
loading: false,
});
} catch (err) {
this.setData({ loading: false });
appStore.toastError(err);
}
},
/** 加载更多 */
async loadMore() {
if (this.data.loadingMore || !this.data.hasMore || !this.data.cursor) return;
this.setData({ loadingMore: true });
try {
const result = await recommendationService.discover({
...this._buildParams(),
cursor: this.data.cursor,
});
const items = result.items || [];
this.setData({
users: [...this.data.users, ...items],
cursor: result.nextCursor || null,
hasMore: !!result.nextCursor,
});
} catch (err) {
appStore.toastError(err);
} finally {
this.setData({ loadingMore: false });
}
},
/** 构造请求参数(仅透传,后端守 Required 硬约束) */
_buildParams() {
const { applied } = this.data;
const params = { pageSize: PAGE_SIZE };
if (applied.keyword) params.keyword = applied.keyword;
if (applied.region) params.region = applied.region;
if (applied.ageMin !== DEFAULT_AGE_MIN) params.ageMin = applied.ageMin;
if (applied.ageMax !== DEFAULT_AGE_MAX) params.ageMax = applied.ageMax;
return params;
},
// ============ 搜索栏 ============
onKeywordInput(e) {
this.setData({ keywordInput: e.detail.value });
},
/** 关键词搜索(键盘确认或点搜索图标) */
onSearch() {
const keyword = (this.data.keywordInput || '').trim();
const applied = { ...this.data.applied, keyword };
this.setData({
applied,
hasActiveFilter: this._hasActiveFilter(applied),
});
this.fetchDiscover(true);
},
// ============ 筛选面板 ============
toggleFilter() {
this.setData({ showFilter: !this.data.showFilter });
},
onRegionTap(e) {
const val = e.currentTarget.dataset.val;
this.setData({ tempRegion: this.data.tempRegion === val ? '' : val });
},
onMinAgeChange(e) {
let min = e.detail.value;
if (min > this.data.tempAgeMax) min = this.data.tempAgeMax;
this.setData({ tempAgeMin: min });
},
onMaxAgeChange(e) {
let max = e.detail.value;
if (max < this.data.tempAgeMin) max = this.data.tempAgeMin;
this.setData({ tempAgeMax: max });
},
onApplyFilter() {
const { tempRegion, tempAgeMin, tempAgeMax, keywordInput } = this.data;
const applied = {
keyword: (keywordInput || '').trim(),
region: tempRegion,
ageMin: tempAgeMin,
ageMax: tempAgeMax,
};
this.setData({
applied,
hasActiveFilter: this._hasActiveFilter(applied),
showFilter: false,
});
this.fetchDiscover(true);
},
onResetFilter() {
const applied = { keyword: '', region: '', ageMin: DEFAULT_AGE_MIN, ageMax: DEFAULT_AGE_MAX };
this.setData({
keywordInput: '',
tempRegion: '',
tempAgeMin: DEFAULT_AGE_MIN,
tempAgeMax: DEFAULT_AGE_MAX,
applied,
hasActiveFilter: false,
showFilter: false,
});
this.fetchDiscover(true);
},
_hasActiveFilter(applied) {
return !!(
applied.keyword ||
applied.region ||
applied.ageMin !== DEFAULT_AGE_MIN ||
applied.ageMax !== DEFAULT_AGE_MAX
);
},
onEmptyAction(e) {
const { event } = e.detail || {};
if (event === 'reset') {
this.onResetFilter();
} else if (event === 'home') {
wx.switchTab({ url: '/pages/index/index' });
}
},
// ============ 卡片操作 ============
/** 卡片点击:查看资料 */
onViewDetail(e) {
const { userId } = e.detail || {};
if (!userId) return;
wx.navigateTo({ url: to.detail(userId) });
},
/** 喜欢(actions slot 按钮,catchtap 阻止冒泡到卡片) */
async onLike(e) {
const userId = e.currentTarget.dataset.userId;
if (!userId || this.data.actionLoadingUserId) return;
this.setData({ actionLoadingUserId: userId });
try {
const result = await matchStore.like(userId);
// 从列表移除(无论是否 Mutual,已做出判断)
this.setData({ users: this.data.users.filter((u) => u.userId !== userId) });
if (result && result.mutualMatch) {
appStore.toastSuccess('双向喜欢!可以开始聊天了');
if (result.matchedConversationId) {
wx.navigateTo({ url: to.chat(result.matchedConversationId) });
}
} else {
appStore.toastSuccess('已表达喜欢');
}
} catch (err) {
appStore.toastError(err);
} finally {
this.setData({ actionLoadingUserId: '' });
}
},
// ============ 列表交互 ============
onPullDownRefresh() {
this.fetchDiscover(true).finally(() => wx.stopPullDownRefresh());
},
onReachBottom() {
this.loadMore();
},
});