更新
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<?php
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namespace app\api\logic\tcm;
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use app\common\model\tcm\DailyFamilyLike;
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use app\common\model\tcm\DailyShareInvite;
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/**
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* 家人点赞（邀请观看页 → 患者日常页展示）
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*/
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class DailyFamilyLikeLogic
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{
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protected static string $error = '';
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/** @var string[] */
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protected static array $praisePool = [
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'坚持得很好，为您点赞！',
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'每天记录真棒，继续保持！',
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'您的自律让人佩服！',
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'加油，家人一直支持您！',
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'稳糖路上，您并不孤单！',
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'好习惯正在养成，真为您高兴！',
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];
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public static function getError(): string
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{
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return self::$error;
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}
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protected static function setError(string $msg): bool
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{
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self::$error = $msg;
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return false;
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}
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/**
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* 校验当日邀请码
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*
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* @return array{diagnosis_id:int,invite_code:string}|false
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*/
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protected static function resolveInvite(string $inviteCode): array|false
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{
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$inviteCode = strtoupper(trim($inviteCode));
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if ($inviteCode === '') {
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return self::setError('邀请码不能为空') ? false : false;
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}
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$row = DailyShareInvite::where('invite_code', $inviteCode)->find();
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if (!$row) {
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return self::setError('邀请码无效或已失效') ? false : false;
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}
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$today = date('Y-m-d');
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if ((string) $row['invite_date'] !== $today) {
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return self::setError('邀请码已过期，仅可在分享当天点赞') ? false : false;
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}
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return [
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'diagnosis_id' => (int) $row['diagnosis_id'],
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'invite_code' => $inviteCode,
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];
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}
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protected static function normalizeViewerKey(string $viewerKey): string
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{
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$viewerKey = preg_replace('/[^\w\-]/', '', trim($viewerKey)) ?? '';
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if (strlen($viewerKey) < 8) {
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return '';
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}
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return substr($viewerKey, 0, 64);
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}
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protected static function normalizeNickname(string $nickname): string
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{
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$nickname = trim($nickname);
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if ($nickname === '') {
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return '家人';
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}
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$nickname = mb_substr($nickname, 0, 8, 'UTF-8');
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return $nickname !== '' ? $nickname : '家人';
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}
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public static function countToday(int $diagnosisId, ?string $likeDate = null): int
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{
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$likeDate = $likeDate ?: date('Y-m-d');
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return (int) DailyFamilyLike::where('diagnosis_id', $diagnosisId)
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->where('like_date', $likeDate)
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->count();
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}
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public static function likedByViewer(int $diagnosisId, string $viewerKey, ?string $likeDate = null): bool
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{
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$viewerKey = self::normalizeViewerKey($viewerKey);
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if ($viewerKey === '') {
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return false;
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}
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$likeDate = $likeDate ?: date('Y-m-d');
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return DailyFamilyLike::where('diagnosis_id', $diagnosisId)
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->where('like_date', $likeDate)
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->where('viewer_key', $viewerKey)
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->find() !== null;
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}
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/**
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* 邀请预览附加点赞信息
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*/
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public static function metaForInvite(string $inviteCode, string $viewerKey = ''): array
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{
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$resolved = self::resolveInvite($inviteCode);
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if ($resolved === false) {
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return [
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'like_count' => 0,
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'liked_by_me' => false,
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];
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}
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$diagnosisId = $resolved['diagnosis_id'];
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$viewerKey = self::normalizeViewerKey($viewerKey);
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return [
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'like_count' => self::countToday($diagnosisId),
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'liked_by_me' => $viewerKey !== '' && self::likedByViewer($diagnosisId, $viewerKey),
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];
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}
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/**
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* 家人点赞（无需登录）
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*/
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public static function addLike(string $inviteCode, string $viewerKey, string $nickname = ''): array|false
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{
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self::$error = '';
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$resolved = self::resolveInvite($inviteCode);
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if ($resolved === false) {
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return false;
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}
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$viewerKey = self::normalizeViewerKey($viewerKey);
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if ($viewerKey === '') {
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return self::setError('设备标识无效，请重试') ? false : false;
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}
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$diagnosisId = $resolved['diagnosis_id'];
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$likeDate = date('Y-m-d');
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$nickname = self::normalizeNickname($nickname);
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$exists = DailyFamilyLike::where('diagnosis_id', $diagnosisId)
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->where('like_date', $likeDate)
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->where('viewer_key', $viewerKey)
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->find();
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if ($exists) {
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return [
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'already_liked' => true,
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'like_count' => self::countToday($diagnosisId, $likeDate),
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'praise_message' => '您今天已经点过赞啦，谢谢您的鼓励',
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'nickname' => (string) ($exists['nickname'] ?? '家人'),
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];
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}
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$todayCount = self::countToday($diagnosisId, $likeDate);
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if ($todayCount >= 50) {
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return self::setError('今日点赞已满，明天再来吧') ? false : false;
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}
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DailyFamilyLike::create([
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'diagnosis_id' => $diagnosisId,
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'like_date' => $likeDate,
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'invite_code' => $resolved['invite_code'],
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'viewer_key' => $viewerKey,
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'nickname' => $nickname,
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'create_time' => time(),
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]);
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$likeCount = self::countToday($diagnosisId, $likeDate);
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$idx = $likeCount > 0 ? ($likeCount - 1) % count(self::$praisePool) : 0;
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return [
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'already_liked' => false,
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'like_count' => $likeCount,
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'praise_message' => self::$praisePool[$idx],
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'nickname' => $nickname,
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];
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}
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/**
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* 患者查看今日家人点赞（需登录且拥有诊单）
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*/
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public static function summaryForPatient(int $userId, int $diagnosisId): array|false
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{
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self::$error = '';
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if ($userId <= 0) {
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return self::setError('请先登录') ? false : false;
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}
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if ($diagnosisId <= 0) {
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return self::setError('诊单ID不能为空') ? false : false;
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}
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$owned = \think\facade\Db::name('diagnosis_view_records')
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->where('user_id', $userId)
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->where('diagnosis_id', $diagnosisId)
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->where('delete_time', null)
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->find();
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if (!$owned) {
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return self::setError('无权查看该诊单') ? false : false;
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}
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$likeDate = date('Y-m-d');
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$count = self::countToday($diagnosisId, $likeDate);
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$rows = DailyFamilyLike::where('diagnosis_id', $diagnosisId)
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->where('like_date', $likeDate)
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->order('id', 'desc')
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->limit(8)
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->select()
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->toArray();
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$recent = [];
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foreach ($rows as $r) {
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$recent[] = [
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'nickname' => (string) ($r['nickname'] ?? '家人'),
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'time_label' => self::timeLabel((int) ($r['create_time'] ?? 0)),
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];
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}
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$summaryLine = $count > 0
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? "今日有 {$count} 位家人为您点赞，继续加油！"
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: '分享战报给家人，邀请他们为您点赞鼓劲';
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return [
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'like_count' => $count,
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'summary_line' => $summaryLine,
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'recent' => $recent,
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];
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}
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protected static function timeLabel(int $ts): string
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{
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if ($ts <= 0) {
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return '刚刚';
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}
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$diff = time() - $ts;
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if ($diff < 60) {
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return '刚刚';
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}
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if ($diff < 3600) {
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return (int) floor($diff / 60) . '分钟前';
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}
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return date('H:i', $ts);
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}
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}
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