260 行
9.1 KiB
PHP
260 行
9.1 KiB
PHP
<?php
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namespace app\api\controller;
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use think\Db;
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/**
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* 用户端 · 收藏与关注（Module-FAVORITE）
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* 路由：
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* GET /api/v1/favorite/list 收藏的信息分页列表
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* POST /api/v1/favorite/toggle 收藏/取消收藏信息
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* POST /api/v1/follow/toggle 关注/取消关注用户
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* POST /api/v1/favorite/status 批量查询收藏/关注状态
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*
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* 数据表：fa_fc_favorite(user_id,post_id,createtime) / fa_fc_follow(user_id,target_user_id,createtime)
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* 两表均有唯一索引，所有写入「先查后写 + catch 兜底」，保证并发下**幂等**。
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*/
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class Favorite extends V1
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{
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/**
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* GET /api/v1/favorite/list {page,size}
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* → 分页 {list,page,size,total,hasMore}（list 项为 Post 结构，与信息流同构）
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* 规则：仅本人收藏；只返回 audit_status=1 且 status=1 且未软删的信息；按收藏时间倒序。
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*/
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public function list()
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{
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$user = $this->auth();
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// 闭包重建查询：TP5.0 的 count() 会清空 Query::options，不能复用同一对象
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list($rows, $total, $page, $size) = $this->pageQuery(function ($forCount) use ($user) {
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$q = Db::name('fc_favorite')->alias('f')
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->join('fc_post p', 'p.id = f.post_id')
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->where('f.user_id', $user['id'])
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->where('p.audit_status', 1)
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->where('p.status', 1)
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->whereNull('p.deletetime');
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if ($forCount) {
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return $q;
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}
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return $q->field('p.*')->order('f.createtime desc, f.id desc');
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});
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$builder = new Post();
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$list = [];
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foreach ($rows as $row) {
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// 复用 Post 的信息结构，保证「我的收藏」与首页信息流字段完全一致
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$list[] = $builder->buildPost($row);
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}
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$this->ok($this->paginate($list, $total, $page, $size));
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}
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/**
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* POST /api/v1/favorite/toggle {postId}
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* → {faved,count}
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* faved=true 表示本次操作后为「已收藏」；count 为该信息当前收藏总数。
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*/
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public function toggle()
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{
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$user = $this->auth();
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$postId = (int)$this->input('postId', 0);
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$post = $postId > 0 ? Db::name('fc_post')->where('id', $postId)->whereNull('deletetime')->find() : null;
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if (!$post) {
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$this->fail('信息不存在', 404);
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}
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$exist = Db::name('fc_favorite')->where('user_id', $user['id'])->where('post_id', $postId)->find();
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$faved = false;
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if ($exist) {
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Db::name('fc_favorite')->where('id', $exist['id'])->delete();
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} else {
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try {
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Db::name('fc_favorite')->insert([
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'user_id' => $user['id'],
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'post_id' => $postId,
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'createtime' => time(),
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]);
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$faved = true;
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} catch (\Exception $e) {
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// 并发下唯一索引冲突：视为已收藏（幂等）
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$faved = true;
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}
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}
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$count = (int)Db::name('fc_favorite')->where('post_id', $postId)->count();
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$this->ok(['faved' => $faved, 'count' => $count]);
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}
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/**
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* GET /api/v1/follow/list {page,size}
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* → 分页 {list,page,size,total,hasMore}
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* 返回当前登录用户关注的用户/商家列表
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*
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* @return void
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*/
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public function followList()
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{
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$user = $this->auth();
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list($rows, $total, $page, $size) = $this->pageQuery(function ($forCount) use ($user) {
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$q = Db::name('fc_follow')->where('user_id', $user['id']);
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if ($forCount) {
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return $q;
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}
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return $q->order('id desc');
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});
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$list = [];
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foreach ($rows as $row) {
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$targetId = (int)$row['target_user_id'];
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$targetUser = Db::name('user')->where('id', $targetId)->find();
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if (!$targetUser) {
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continue;
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}
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$ext = Db::name('fc_user_ext')->where('user_id', $targetId)->find();
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$merchant = Db::name('fc_merchant')->where('user_id', $targetId)->find();
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$isMerchant = $merchant && (int)$merchant['audit_status'] === 1;
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// 统计该用户发布的有效信息条数
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$postCount = (int)Db::name('fc_post')
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->where('user_id', $targetId)
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->where('status', 1)
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->where('audit_status', 1)
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->whereNull('deletetime')
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->count();
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$list[] = [
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'id' => (int)$row['id'],
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'userId' => $targetId,
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'nickname' => (string)($merchant && $merchant['name'] ? $merchant['name'] : $targetUser['nickname']),
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'avatar' => (string)($merchant && $merchant['logo'] ? $merchant['logo'] : $targetUser['avatar']),
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'isMerchant' => $isMerchant,
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'merchantId' => $merchant ? (int)$merchant['id'] : 0,
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'category' => (string)($merchant && $merchant['category'] ? $merchant['category'] : ''),
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'postCount' => $postCount,
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'followed' => true,
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'followTime' => $this->iso($row['createtime']),
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];
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}
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$this->ok($this->paginate($list, $total, $page, $size));
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}
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/**
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* POST /api/v1/follow/toggle {userId}
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* → {followed}
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* 规则：不能关注自己 → fail('不能关注自己')；目标用户必须存在。
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*/
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public function follow()
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{
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$user = $this->auth();
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$targetUserId = (int)$this->input('userId', 0);
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if ($targetUserId <= 0) {
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$this->fail('用户不存在', 404);
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}
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if ($targetUserId === (int)$user['id']) {
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$this->fail('不能关注自己');
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}
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$target = Db::name('user')->where('id', $targetUserId)->find();
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if (!$target) {
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$this->fail('用户不存在', 404);
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}
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$exist = Db::name('fc_follow')
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->where('user_id', $user['id'])
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->where('target_user_id', $targetUserId)
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->find();
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$followed = false;
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if ($exist) {
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Db::name('fc_follow')->where('id', $exist['id'])->delete();
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} else {
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try {
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Db::name('fc_follow')->insert([
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'user_id' => $user['id'],
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'target_user_id' => $targetUserId,
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'createtime' => time(),
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]);
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$followed = true;
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} catch (\Exception $e) {
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// 并发下唯一索引冲突：视为已关注（幂等）
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$followed = true;
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}
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}
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$this->ok(['followed' => $followed]);
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}
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/**
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* POST /api/v1/favorite/status {postIds:[],userIds:[]}
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* → {faved:{postId:true|false},followed:{userId:true|false}}
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* 说明：批量查询（参照「详情页进入时一次性拿状态」）；
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* 入参为空数组时返回**空对象** {}（(object) 强转，避免 PHP 空数组被序列化成 []）；
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* 查询结果按请求的 id 全量回填（未收藏/未关注为 false）。
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*/
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public function status()
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{
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$user = $this->auth();
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$faved = [];
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foreach ($this->idArray('postIds') as $postId) {
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$faved[(string)$postId] = false;
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}
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if ($faved) {
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$rows = Db::name('fc_favorite')
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->where('user_id', $user['id'])
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->where('post_id', 'in', array_keys($faved))
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->column('post_id');
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foreach ($rows as $postId) {
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$faved[(string)$postId] = true;
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}
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}
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$followed = [];
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foreach ($this->idArray('userIds') as $userId) {
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$followed[(string)$userId] = false;
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}
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if ($followed) {
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$rows = Db::name('fc_follow')
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->where('user_id', $user['id'])
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->where('target_user_id', 'in', array_keys($followed))
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->column('target_user_id');
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foreach ($rows as $userId) {
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$followed[(string)$userId] = true;
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}
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}
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$this->ok([
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'faved' => (object)$faved,
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'followed' => (object)$followed,
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]);
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}
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/**
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* 入参 ID 数组归一化（支持数组 / JSON 字符串 / 逗号串）
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* @param string $key
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* @return array 去重后的正整数 ID 列表（上限 200，避免超长 IN）
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*/
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protected function idArray($key)
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{
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$val = $this->input($key, []);
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if (is_string($val)) {
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$decoded = json_decode($val, true);
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$val = is_array($decoded) ? $decoded : explode(',', $val);
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}
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if (!is_array($val)) {
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return [];
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}
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$ids = [];
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foreach ($val as $item) {
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$item = (int)$item;
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if ($item > 0) {
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$ids[] = $item;
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}
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}
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return array_slice(array_values(array_unique($ids)), 0, 200);
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}
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}
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