362 lines
15 KiB
PHP
362 lines
15 KiB
PHP
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<?php
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/**
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* 观影统计 / 高级搜索 / 年度报告的聚合查询 —— v11 从 MovieLog 迁入。
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*
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* MovieLog 那三个页面（stats.php / search.php / annual_report.php）原本直接写 SQL，
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* 而且用的是 **SQLite 方言**（strftime('%Y', ...)）。迁进家书时做了两件事：
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* 1. 方言换 MySQL：strftime('%Y', x) → YEAR(x)，'%Y-%m' → DATE_FORMAT(x, '%Y-%m')；
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* LIMIT 的绑定值不能用 execute([$n])（非模拟预处理下会被当字符串，
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* MySQL 直接报 `LIMIT '12'` 语法错），一律 (int) 内联。
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* 2. 表结构换家书的统一事件原语：movies → events(kind='movie')，
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* viewers → event_attendees，remark → note，watch_date → starts_at，
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* cinema_id 挂在 movie_details 上。
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*
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* 「我」的口径：观影人是同行的人（event_attendees）。年度报告以**登录者**为中心，
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* 只统计他参与过的场次 —— 与 MovieLog 的 self_person_id 一致。
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*/
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declare(strict_types=1);
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namespace App;
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use PDO;
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final class MovieStats
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{
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/** 顶部四张总览卡 + 观影跨度 */
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public static function overview(int $familyId): array
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{
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$db = Database::get();
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$one = static function (string $sql, array $a = []) use ($db): string {
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$st = $db->prepare($sql);
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$st->execute($a);
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$v = $st->fetchColumn();
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return $v === false || $v === null ? '' : (string)$v;
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};
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$span = $db->prepare(
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"SELECT MIN(e.starts_at) AS f, MAX(e.starts_at) AS l
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FROM events e WHERE e.family_id = ? AND e.kind = 'movie' AND e.starts_at IS NOT NULL"
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);
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$span->execute([$familyId]);
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$row = $span->fetch() ?: ['f' => null, 'l' => null];
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return [
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'movies' => (int)$one("SELECT COUNT(*) FROM events WHERE family_id = ? AND kind = 'movie'", [$familyId]),
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'cinemas' => (int)$one('SELECT COUNT(*) FROM cinemas WHERE family_id = ?', [$familyId]),
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'persons' => (int)$one(
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"SELECT COUNT(DISTINCT a.person_id) FROM event_attendees a
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JOIN events e ON e.id = a.event_id AND e.kind = 'movie'
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WHERE e.family_id = ?", [$familyId]),
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'viewership' => (int)$one(
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"SELECT COUNT(*) FROM event_attendees a
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JOIN events e ON e.id = a.event_id AND e.kind = 'movie'
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WHERE e.family_id = ?", [$familyId]),
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'first_date' => $row['f'] !== null ? substr((string)$row['f'], 0, 10) : null,
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'last_date' => $row['l'] !== null ? substr((string)$row['l'], 0, 10) : null,
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];
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}
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/** 按影院：每家看过多少部（0 部的也列出来，便于发现重复建的影院） */
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public static function byCinema(int $familyId): array
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{
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$st = Database::get()->prepare(
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"SELECT c.id, c.name, c.place, c.color, COUNT(e.id) AS cnt
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FROM cinemas c
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LEFT JOIN movie_details d ON d.cinema_id = c.id
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LEFT JOIN events e ON e.id = d.event_id AND e.kind = 'movie' AND e.family_id = c.family_id
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WHERE c.family_id = ?
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GROUP BY c.id, c.name, c.place, c.color
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ORDER BY cnt DESC, c.name"
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);
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$st->execute([$familyId]);
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return $st->fetchAll();
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}
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/** 按观影人：参与了多少场（带头像，供统计页画条） */
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public static function byPerson(int $familyId): array
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{
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$st = Database::get()->prepare(
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"SELECT p.id, p.name, p.avatar, COUNT(e.id) AS cnt
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FROM persons p
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LEFT JOIN event_attendees a ON a.person_id = p.id
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LEFT JOIN events e ON e.id = a.event_id AND e.kind = 'movie' AND e.family_id = ?
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WHERE p.family_id = ? AND p.kind = 'member'
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GROUP BY p.id, p.name, p.avatar
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ORDER BY cnt DESC, p.id"
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);
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$st->execute([$familyId, $familyId]);
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return $st->fetchAll();
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}
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/** 最近 n 个月（只列有记录的月份，按时间倒序） */
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public static function byMonth(int $familyId, int $limit = 12): array
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{
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// ⚠️ LIMIT 不能走绑定参数：非模拟预处理下 PDO 会把它当字符串送过去，
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// MySQL 报 `LIMIT '12'` 语法错。已 (int) 转，无注入面。
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$st = Database::get()->prepare(
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"SELECT DATE_FORMAT(e.starts_at, '%Y-%m') AS ym, COUNT(*) AS cnt
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FROM events e
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WHERE e.family_id = ? AND e.kind = 'movie' AND e.starts_at IS NOT NULL
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GROUP BY ym
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ORDER BY ym DESC
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LIMIT " . (int)$limit
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);
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$st->execute([$familyId]);
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return $st->fetchAll();
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}
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/** 按年 */
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public static function byYear(int $familyId): array
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{
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$st = Database::get()->prepare(
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"SELECT YEAR(e.starts_at) AS y, COUNT(*) AS cnt
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FROM events e
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WHERE e.family_id = ? AND e.kind = 'movie' AND e.starts_at IS NOT NULL
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GROUP BY y
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ORDER BY y DESC"
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);
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$st->execute([$familyId]);
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return $st->fetchAll();
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}
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/** 有观影记录的年份（倒序），年度报告的年份下拉用 */
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public static function years(int $familyId): array
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{
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$st = Database::get()->prepare(
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"SELECT DISTINCT YEAR(e.starts_at) AS y
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FROM events e
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WHERE e.family_id = ? AND e.kind = 'movie' AND e.starts_at IS NOT NULL
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ORDER BY y DESC"
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);
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$st->execute([$familyId]);
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return array_map('intval', $st->fetchAll(PDO::FETCH_COLUMN));
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}
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/**
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* 高级搜索：片名 / 影院 / 观影人 / 日期范围 组合过滤。
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* 条件全空时返回 []（页面据此提示「先设置条件」）。
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*/
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public static function search(int $familyId, array $p): array
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{
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$title = trim((string)($p['title'] ?? ''));
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$cid = (int)($p['cinema_id'] ?? 0);
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$pid = (int)($p['person_id'] ?? 0);
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$from = self::dateOrNull((string)($p['date_from'] ?? ''));
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$to = self::dateOrNull((string)($p['date_to'] ?? ''));
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if ($title === '' && $cid <= 0 && $pid <= 0 && $from === null && $to === null) {
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return [];
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}
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$sql =
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"SELECT e.id, e.title, e.starts_at, e.ends_at,
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d.poster_key, c.name AS cinema_name, c.color AS cinema_color,
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(SELECT GROUP_CONCAT(p2.name ORDER BY a2.position, p2.id SEPARATOR '、')
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FROM event_attendees a2 JOIN persons p2 ON p2.id = a2.person_id
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WHERE a2.event_id = e.id) AS attendee_names
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FROM events e
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LEFT JOIN movie_details d ON d.event_id = e.id
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LEFT JOIN cinemas c ON c.id = d.cinema_id
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WHERE e.family_id = ? AND e.kind = 'movie'";
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$bind = [$familyId];
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if ($title !== '') {
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$sql .= ' AND e.title LIKE ?';
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$bind[] = '%' . $title . '%';
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}
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if ($cid > 0) {
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$sql .= ' AND d.cinema_id = ?';
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$bind[] = $cid;
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}
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if ($pid > 0) {
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$sql .= ' AND EXISTS (SELECT 1 FROM event_attendees a3
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WHERE a3.event_id = e.id AND a3.person_id = ?)';
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$bind[] = $pid;
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}
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if ($from !== null) {
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$sql .= ' AND e.starts_at >= ?';
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$bind[] = $from . ' 00:00:00';
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}
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if ($to !== null) {
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$sql .= ' AND e.starts_at <= ?';
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$bind[] = $to . ' 23:59:59';
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}
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$sql .= ' ORDER BY e.starts_at DESC, e.id DESC';
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$st = Database::get()->prepare($sql);
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$st->execute($bind);
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$rows = $st->fetchAll();
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MovieReview::attachStats($rows);
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return $rows;
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}
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/**
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* 年度报告：以**登录者**为中心，只统计他参与过的场次。
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* 结构与 MovieLog::getAnnualStats 一致 —— 页面模板按同样的键取用。
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*/
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public static function annual(int $familyId, int $personId, int $year): array
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{
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$db = Database::get();
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$y = (int)$year;
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$blank = [
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'total' => 0, 'days' => 0,
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'top_cinema' => '无', 'top_cinema_count' => 0,
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'top_person' => '无', 'top_person_count' => 0,
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'first_date' => null, 'last_date' => null,
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'most_viewers_movie' => '无', 'most_viewers_count' => 0,
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'month_distribution' => array_fill(1, 12, 0),
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'weekday_distribution' => ['日' => 0, '一' => 0, '二' => 0, '三' => 0, '四' => 0, '五' => 0, '六' => 0],
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'avg_per_month' => 0, 'avg_days_between' => 0,
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'keywords' => [], 'recent_movies' => [], 'my_movies' => [], 'common_viewers' => [],
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];
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if ($personId <= 0) {
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return $blank;
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}
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// 「我参与过的场次」这个子查询被下面反复用 —— 写成 EXISTS 而不是 IN 大列表
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$mine = "EXISTS (SELECT 1 FROM event_attendees am
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WHERE am.event_id = e.id AND am.person_id = ?)";
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$base = "FROM events e WHERE e.family_id = ? AND e.kind = 'movie' AND YEAR(e.starts_at) = ? AND {$mine}";
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$args = static fn(array $extra = []): array => array_merge([$familyId, $y, $personId], $extra);
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$one = static function (string $sql, array $a) use ($db): string {
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$st = $db->prepare($sql);
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$st->execute($a);
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$v = $st->fetchColumn();
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return $v === false || $v === null ? '' : (string)$v;
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};
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$out = $blank;
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$out['total'] = (int)$one("SELECT COUNT(*) {$base}", $args());
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$out['days'] = (int)$one(
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"SELECT COUNT(DISTINCT DATE(e.starts_at)) {$base} AND e.starts_at IS NOT NULL", $args());
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// 最常去的影院
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$st = $db->prepare(
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"SELECT c.name AS n, COUNT(*) AS c
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FROM events e
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JOIN movie_details d ON d.event_id = e.id
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JOIN cinemas c ON c.id = d.cinema_id
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WHERE e.family_id = ? AND e.kind = 'movie' AND YEAR(e.starts_at) = ? AND {$mine}
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GROUP BY c.id, c.name ORDER BY c DESC LIMIT 1"
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);
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$st->execute($args());
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if ($r = $st->fetch()) {
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$out['top_cinema'] = (string)$r['n'];
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$out['top_cinema_count'] = (int)$r['c'];
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}
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// 一起看过最多场的人
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$st = $db->prepare(
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"SELECT p.id, p.name, p.avatar, COUNT(*) AS c
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FROM event_attendees a
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JOIN persons p ON p.id = a.person_id
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WHERE a.event_id IN (
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SELECT e2.id FROM events e2
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WHERE e2.family_id = ? AND e2.kind = 'movie' AND YEAR(e2.starts_at) = ?
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AND EXISTS (SELECT 1 FROM event_attendees am
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WHERE am.event_id = e2.id AND am.person_id = ?))
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AND a.person_id <> ?
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GROUP BY p.id, p.name, p.avatar ORDER BY c DESC"
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);
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$st->execute([$familyId, $y, $personId, $personId]);
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$out['common_viewers'] = $st->fetchAll();
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if ($out['common_viewers']) {
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$out['top_person'] = (string)$out['common_viewers'][0]['name'];
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$out['top_person_count'] = (int)$out['common_viewers'][0]['c'];
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}
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// 时间跨度
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$st = $db->prepare("SELECT MIN(e.starts_at) AS f, MAX(e.starts_at) AS l {$base} AND e.starts_at IS NOT NULL");
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$st->execute($args());
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if ($r = $st->fetch()) {
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$out['first_date'] = $r['f'] !== null ? substr((string)$r['f'], 0, 10) : null;
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$out['last_date'] = $r['l'] !== null ? substr((string)$r['l'], 0, 10) : null;
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}
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// 同场人最多的一部
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$st = $db->prepare(
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"SELECT e.title AS t, (SELECT COUNT(*) FROM event_attendees a WHERE a.event_id = e.id) AS c
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{$base}
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ORDER BY c DESC, e.id DESC LIMIT 1"
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);
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$st->execute($args());
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if ($r = $st->fetch()) {
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$out['most_viewers_movie'] = (string)$r['t'];
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$out['most_viewers_count'] = (int)$r['c'];
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}
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// 月份 / 星期分布
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$st = $db->prepare(
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"SELECT MONTH(e.starts_at) AS m, COUNT(*) AS c {$base} AND e.starts_at IS NOT NULL GROUP BY m"
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);
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$st->execute($args());
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foreach ($st->fetchAll() as $r) {
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$out['month_distribution'][(int)$r['m']] = (int)$r['c'];
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}
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$st = $db->prepare(
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|||
|
|
"SELECT DAYOFWEEK(e.starts_at) AS w, COUNT(*) AS c {$base} AND e.starts_at IS NOT NULL GROUP BY w"
|
|||
|
|
);
|
|||
|
|
$st->execute($args());
|
|||
|
|
$wmap = [1 => '日', 2 => '一', 3 => '二', 4 => '三', 5 => '四', 6 => '五', 7 => '六'];
|
|||
|
|
foreach ($st->fetchAll() as $r) {
|
|||
|
|
$k = $wmap[(int)$r['w']] ?? null;
|
|||
|
|
if ($k !== null) {
|
|||
|
|
$out['weekday_distribution'][$k] = (int)$r['c'];
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
// 频率
|
|||
|
|
$out['avg_per_month'] = $out['total'] > 0 ? round($out['total'] / 12, 1) : 0;
|
|||
|
|
$out['avg_days_between'] = $out['total'] > 0 ? round(365 / $out['total'], 1) : 0;
|
|||
|
|
|
|||
|
|
// 关键词（从备注里分词，取前 5）
|
|||
|
|
$st = $db->prepare("SELECT e.note {$base} AND e.note IS NOT NULL AND e.note <> ''");
|
|||
|
|
$st->execute($args());
|
|||
|
|
$wc = [];
|
|||
|
|
foreach ($st->fetchAll(PDO::FETCH_COLUMN) as $text) {
|
|||
|
|
$words = preg_split('/[\s，,。.！!？?、；;：:]+/u', (string)$text, -1, PREG_SPLIT_NO_EMPTY);
|
|||
|
|
foreach ($words as $w) {
|
|||
|
|
$w = trim($w);
|
|||
|
|
if (mb_strlen($w, 'UTF-8') >= 2) {
|
|||
|
|
$wc[$w] = ($wc[$w] ?? 0) + 1;
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
arsort($wc);
|
|||
|
|
$out['keywords'] = array_slice(array_keys($wc), 0, 5);
|
|||
|
|
|
|||
|
|
// 最近 5 部（只要片名）
|
|||
|
|
$st = $db->prepare("SELECT e.title {$base} ORDER BY e.starts_at DESC, e.id DESC LIMIT 5");
|
|||
|
|
$st->execute($args());
|
|||
|
|
$out['recent_movies'] = array_map('strval', $st->fetchAll(PDO::FETCH_COLUMN));
|
|||
|
|
|
|||
|
|
// 我的观影清单（含海报 + 同场的人）
|
|||
|
|
$st = $db->prepare(
|
|||
|
|
"SELECT e.id, e.title, e.starts_at, d.poster_key
|
|||
|
|
FROM events e LEFT JOIN movie_details d ON d.event_id = e.id
|
|||
|
|
WHERE e.family_id = ? AND e.kind = 'movie' AND YEAR(e.starts_at) = ? AND {$mine}
|
|||
|
|
ORDER BY e.starts_at DESC, e.id DESC"
|
|||
|
|
);
|
|||
|
|
$st->execute($args());
|
|||
|
|
$list = $st->fetchAll();
|
|||
|
|
$co = $db->prepare(
|
|||
|
|
"SELECT p.id, p.name, p.avatar
|
|||
|
|
FROM event_attendees a JOIN persons p ON p.id = a.person_id
|
|||
|
|
WHERE a.event_id = ? AND a.person_id <> ?
|
|||
|
|
ORDER BY a.position, p.id"
|
|||
|
|
);
|
|||
|
|
foreach ($list as &$mv) {
|
|||
|
|
$co->execute([(int)$mv['id'], $personId]);
|
|||
|
|
$mv['viewers'] = $co->fetchAll();
|
|||
|
|
}
|
|||
|
|
unset($mv);
|
|||
|
|
$out['my_movies'] = $list;
|
|||
|
|
|
|||
|
|
return $out;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/** 'Y-m-d' 校验；不合法回 null */
|
|||
|
|
private static function dateOrNull(string $v): ?string
|
|||
|
|
{
|
|||
|
|
$v = trim($v);
|
|||
|
|
return preg_match('/^\d{4}-\d{2}-\d{2}$/', $v) ? $v : null;
|
|||
|
|
}
|
|||
|
|
}
|