901 lines
31 KiB
PHP
901 lines
31 KiB
PHP
<?php
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declare(strict_types=1);
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header('Content-Type: application/json; charset=utf-8');
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header('Cache-Control: no-store');
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require __DIR__ . '/im_web_bootstrap.php';
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function clampLimit(mixed $value, int $default, int $max): int
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{
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$limit = (int)$value;
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if ($limit <= 0) {
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return $default;
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}
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return min($limit, $max);
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}
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function placeholders(array $values): string
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{
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return implode(',', array_fill(0, count($values), '?'));
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}
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function payloadBool(mixed $value): bool
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{
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return filter_var($value, FILTER_VALIDATE_BOOLEAN);
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}
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function timestampMs(?string $datetime, string $messageId = '0'): int
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{
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$id = (int)$messageId;
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if ($id > 0) {
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return ($id >> 21) + 1514736000000;
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}
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if ($datetime !== null && $datetime !== '') {
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$date = DateTimeImmutable::createFromFormat(
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'Y-m-d H:i:s',
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$datetime,
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new DateTimeZone(IM_DB_TIMEZONE)
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);
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if ($date instanceof DateTimeImmutable) {
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return $date->getTimestamp() * 1000;
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}
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}
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return (int)floor(microtime(true) * 1000);
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}
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function nowMs(): int
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{
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return (int)floor(microtime(true) * 1000);
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}
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function markUserDelivered(PDO $db, string $userId, int $timestamp): void
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{
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if ($userId === '' || $timestamp <= 0) {
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return;
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}
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$statement = $db->prepare(
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'insert into `t_delivery_report` (`_uid`, `_dt`) values (?, ?)'
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. ' on duplicate key update `_dt` = if(`_dt` < values(`_dt`), values(`_dt`), `_dt`)'
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);
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$statement->execute([$userId, $timestamp]);
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}
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function markConversationRead(PDO $db, string $userId, string $targetId, int $timestamp): void
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{
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if ($userId === '' || $targetId === '' || $timestamp <= 0) {
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return;
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}
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$statement = $db->prepare(
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'select `id`, `_dt` from `t_read_report`'
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. ' where `_uid` = ? and `_type` = 0 and `_line` = 0 and `_target` = ?'
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. ' order by `_dt` desc limit 1'
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);
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$statement->execute([$userId, $targetId]);
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$row = $statement->fetch();
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if ($row) {
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if ($timestamp > (int)$row['_dt']) {
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$update = $db->prepare('update `t_read_report` set `_dt` = ? where `id` = ?');
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$update->execute([$timestamp, (int)$row['id']]);
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}
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return;
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}
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$insert = $db->prepare(
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'insert into `t_read_report` (`_uid`, `_type`, `_line`, `_target`, `_dt`) values (?, 0, 0, ?, ?)'
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);
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$insert->execute([$userId, $targetId, $timestamp]);
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}
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function resolveUserId(PDO $db, string $value): string
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{
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if ($value === '') {
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return '';
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}
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$statement = $db->prepare(
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'select `_uid` from `t_user` where `_uid` = ? or `_mobile` = ? or `_name` = ? limit 1'
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);
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$statement->execute([$value, $value, $value]);
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$uid = $statement->fetchColumn();
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return is_string($uid) && $uid !== '' ? $uid : $value;
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}
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function peerFromConversationTarget(string $userId, string $target): string
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{
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$parts = array_values(array_filter(explode('|', $target), static fn($part) => $part !== ''));
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if (count($parts) < 2) {
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return $target !== $userId ? $target : '';
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}
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return $parts[0] === $userId ? $parts[1] : $parts[0];
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}
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function fetchMessageRows(PDO $db, array $messageIds): array
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{
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$messageIds = array_values(array_unique(array_filter(array_map('strval', $messageIds))));
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if (!$messageIds) {
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return [];
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}
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$idsByTable = [];
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foreach ($messageIds as $messageId) {
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$idsByTable[imMessageTable($messageId)][] = $messageId;
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}
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$messages = [];
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foreach ($idsByTable as $table => $ids) {
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$sql = 'select `_mid`, `_from`, `_type`, `_target`, `_line`, `_searchable_key`, `_dt`, `_content_type`, `_to`'
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. ' from `' . $table . '` where `_mid` in (' . placeholders($ids) . ')';
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$statement = $db->prepare($sql);
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$statement->execute($ids);
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foreach ($statement->fetchAll() as $row) {
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$messages[(string)$row['_mid']] = $row;
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}
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}
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return $messages;
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}
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function fetchMessageEditMap(PDO $db, array $messageIds): array
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{
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$messageIds = array_values(array_unique(array_filter(array_map('strval', $messageIds))));
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if (!$messageIds) {
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return [];
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}
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try {
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$statement = $db->prepare(
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'select `message_uid`, `edited_at_ms` from `t_web_message_edits`'
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. ' where `message_uid` in (' . placeholders($messageIds) . ')'
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);
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$statement->execute($messageIds);
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} catch (Throwable) {
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return [];
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}
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$edits = [];
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foreach ($statement->fetchAll() as $row) {
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$edits[(string)$row['message_uid']] = [
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'editedAt' => (int)$row['edited_at_ms'],
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];
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}
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return $edits;
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}
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function normalizeAttachmentRow(array $row): array
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{
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return [
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'type' => (string)$row['attachment_type'],
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'url' => (string)$row['url'],
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'name' => (string)($row['name'] ?? ''),
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'mime' => (string)($row['mime'] ?? ''),
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'size' => (int)($row['size_bytes'] ?? 0),
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];
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}
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function fetchAttachmentMap(PDO $appDb, array $messageIds): array
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{
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$messageIds = array_values(array_unique(array_filter(array_map('strval', $messageIds))));
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if (!$messageIds) {
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return [];
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}
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ensureWebImAppTables();
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$statement = $appDb->prepare(
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'select `message_uid`, `attachment_type`, `url`, `name`, `mime`, `size_bytes`'
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. ' from `t_web_message_attachments`'
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. ' where `message_uid` in (' . placeholders($messageIds) . ')'
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);
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$statement->execute($messageIds);
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$attachments = [];
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foreach ($statement->fetchAll() as $row) {
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$attachments[(string)$row['message_uid']] = normalizeAttachmentRow($row);
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}
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return $attachments;
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}
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function attachmentFallbackText(?array $attachment): string
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{
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if (!$attachment) {
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return '';
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}
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if ((string)$attachment['type'] === 'image') {
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return '[图片]';
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}
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return '[文件] ' . ((string)($attachment['name'] ?? '') ?: '文件');
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}
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function attachmentDisplayText(string $text, ?array $attachment): string
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{
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if (!$attachment) {
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return $text;
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}
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return $text === attachmentFallbackText($attachment) ? '' : $text;
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}
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function messagePreviewText(?array $message): string
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{
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if (!$message) {
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return '';
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}
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$attachment = is_array($message['attachment'] ?? null) ? $message['attachment'] : null;
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if ($attachment) {
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$text = trim((string)($message['text'] ?? ''));
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return $text !== '' ? $text : attachmentFallbackText($attachment);
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}
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return (string)($message['text'] ?? '');
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}
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function fetchUserInfoMap(PDO $db, array $userIds, string $ownerId = ''): array
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{
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$userIds = array_values(array_unique(array_filter(array_map('strval', $userIds))));
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if (!$userIds) {
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return [];
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}
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$statement = $db->prepare(
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'select `_uid`, `_name`, `_display_name`, `_mobile`, `_portrait`, `_address` from `t_user`'
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. ' where `_uid` in (' . placeholders($userIds) . ')'
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);
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$statement->execute($userIds);
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$users = [];
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foreach ($statement->fetchAll() as $row) {
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$row['_is_friend'] = false;
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$row['_alias'] = '';
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$row['_friend_alias'] = '';
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$row['_remark_alias'] = '';
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$users[(string)$row['_uid']] = $row;
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}
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if ($ownerId !== '') {
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$aliasStatement = $db->prepare(
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'select `_friend_uid`, `_alias` from `t_friend` where `_uid` = ?'
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. ' and `_friend_uid` in (' . placeholders($userIds) . ')'
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);
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$aliasStatement->execute(array_merge([$ownerId], $userIds));
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foreach ($aliasStatement->fetchAll() as $row) {
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$friendUid = (string)$row['_friend_uid'];
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if (!isset($users[$friendUid])) {
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continue;
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}
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$users[$friendUid]['_is_friend'] = true;
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$users[$friendUid]['_friend_alias'] = trim((string)($row['_alias'] ?? ''));
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}
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try {
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ensureWebImAppTables();
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$remarkMap = fetchWebUserRemarkMap(imAppDb(), $ownerId, $userIds);
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} catch (Throwable) {
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$remarkMap = [];
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}
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foreach ($remarkMap as $targetUid => $alias) {
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if (!isset($users[$targetUid])) {
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continue;
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}
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$users[$targetUid]['_remark_alias'] = $alias;
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}
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foreach ($users as $uid => $user) {
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$friendAlias = trim((string)($user['_friend_alias'] ?? ''));
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$remarkAlias = trim((string)($user['_remark_alias'] ?? ''));
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$users[$uid]['_alias'] = $friendAlias !== '' ? $friendAlias : $remarkAlias;
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}
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}
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return $users;
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}
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function userTitle(array $users, string $userId): string
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{
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$user = $users[$userId] ?? null;
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if (!$user) {
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return $userId;
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}
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return (string)($user['_alias'] ?? '')
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?: (string)($user['_display_name'] ?? '')
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?: (string)($user['_name'] ?? '')
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?: (string)($user['_mobile'] ?? '')
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?: $userId;
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}
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function loadPeerReceiptState(PDO $db, string $currentUserId, string $peerId): array
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{
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$deliveryStatement = $db->prepare('select `_dt` from `t_delivery_report` where `_uid` = ? limit 1');
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$deliveryStatement->execute([$peerId]);
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$deliveredAt = $deliveryStatement->fetchColumn();
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$readTargets = array_values(array_unique([
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$currentUserId,
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$currentUserId . '|' . $peerId,
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$peerId . '|' . $currentUserId,
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]));
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$readStatement = $db->prepare(
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'select max(`_dt`) from `t_read_report`'
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. ' where `_uid` = ? and `_type` = 0 and `_line` = 0'
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. ' and `_target` in (' . placeholders($readTargets) . ')'
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);
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$readStatement->execute(array_merge([$peerId], $readTargets));
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$readAt = $readStatement->fetchColumn();
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return [
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'deliveredAt' => is_numeric($deliveredAt) ? (int)$deliveredAt : 0,
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'readAt' => is_numeric($readAt) ? (int)$readAt : 0,
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];
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}
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function loadOwnReadStateMap(PDO $db, string $userId, array $peerIds): array
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{
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$peerIds = array_values(array_unique(array_filter(array_map('strval', $peerIds))));
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if (!$peerIds) {
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return [];
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}
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$statement = $db->prepare(
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'select `_target`, max(`_dt`) as `_read_at` from `t_read_report`'
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. ' where `_uid` = ? and `_type` = 0 and `_line` = 0'
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. ' and `_target` in (' . placeholders($peerIds) . ')'
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. ' group by `_target`'
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);
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$statement->execute(array_merge([$userId], $peerIds));
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$readAtByPeer = [];
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foreach ($statement->fetchAll() as $row) {
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$readAtByPeer[(string)$row['_target']] = (int)$row['_read_at'];
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}
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return $readAtByPeer;
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}
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function outgoingDeliveryStatus(int $timestamp, array $receiptState): string
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{
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$readAt = (int)($receiptState['readAt'] ?? 0);
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if ($readAt > 0 && $timestamp <= $readAt) {
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return 'read';
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}
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$deliveredAt = (int)($receiptState['deliveredAt'] ?? 0);
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if ($deliveredAt > 0 && $timestamp <= $deliveredAt) {
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return 'delivered';
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}
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return 'sent';
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}
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function messageActivityTimestamp(int $timestamp, array $editState = []): int
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{
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return max($timestamp, (int)($editState['editedAt'] ?? 0));
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}
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function normalizeConversationType(mixed $value): string
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{
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$type = strtolower(trim((string)$value));
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if (in_array($type, ['1', 'group', 'channel'], true)) {
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return 'group';
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}
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return 'single';
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}
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function isWebGroupTarget(PDO $appDb, string $targetId): bool
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{
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if ($targetId === '') {
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return false;
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}
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ensureWebImAppTables();
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$statement = $appDb->prepare('select 1 from `t_web_groups` where `group_id` = ? and `deleted` = 0 limit 1');
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$statement->execute([$targetId]);
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return (bool)$statement->fetchColumn();
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}
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function markWebGroupRead(PDO $appDb, string $userId, string $groupId, int $timestamp): void
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{
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if ($userId === '' || $groupId === '' || $timestamp <= 0) {
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return;
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}
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$now = nowMs();
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$statement = $appDb->prepare(
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'insert into `t_web_group_reads` (`group_id`, `user_id`, `read_at_ms`, `updated_at_ms`)'
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. ' values (?, ?, ?, ?)'
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. ' on duplicate key update'
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. ' `read_at_ms` = if(`read_at_ms` < values(`read_at_ms`), values(`read_at_ms`), `read_at_ms`),'
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. ' `updated_at_ms` = values(`updated_at_ms`)'
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);
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$statement->execute([$groupId, $userId, $timestamp, $now]);
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}
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function webGroupRole(PDO $appDb, string $userId, string $groupId): string
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{
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$statement = $appDb->prepare(
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'select `role` from `t_web_group_members`'
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. ' where `group_id` = ? and `user_id` = ? and `status` = 0 limit 1'
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);
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$statement->execute([$groupId, $userId]);
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$role = $statement->fetchColumn();
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return is_string($role) && $role !== '' ? $role : '';
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}
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function formatWebGroupMessage(
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array $row,
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string $currentUserId,
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array $group,
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?array $attachment = null,
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array $users = []
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): array
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{
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$groupId = (string)$row['group_id'];
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$from = (string)$row['sender_uid'];
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$senderUser = $users[$from] ?? [];
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$senderAlias = trim((string)($row['sender_alias'] ?? ''));
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$senderContactAlias = trim((string)($senderUser['_alias'] ?? ''));
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$senderFriendAlias = trim((string)($senderUser['_friend_alias'] ?? ''));
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$senderRemarkAlias = trim((string)($senderUser['_remark_alias'] ?? ''));
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$senderRawName = trim((string)($senderUser['_display_name'] ?? ''))
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?: trim((string)($senderUser['_name'] ?? ''))
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?: trim((string)($senderUser['_mobile'] ?? ''))
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?: $from;
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$senderName = $senderContactAlias
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?: $senderAlias
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?: $senderRawName;
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$senderRole = (string)($row['sender_role'] ?? 'member');
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if (!in_array($senderRole, ['owner', 'admin'], true)) {
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$senderRole = 'member';
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}
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$timestamp = (int)$row['created_at_ms'];
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$editedAt = (int)($row['edited_at_ms'] ?? 0);
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$activityTimestamp = max($timestamp, $editedAt);
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$direction = $from === $currentUserId ? 'out' : 'in';
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$messageType = $attachment ? (string)$attachment['type'] : 'text';
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$contentType = $messageType === 'image' ? 3 : ($messageType === 'file' ? 5 : 1);
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return [
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'id' => (string)$row['message_uid'],
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'messageUid' => (string)$row['message_uid'],
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'conversationId' => 'group-' . $groupId,
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'from' => $from,
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'senderRole' => $senderRole,
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'senderName' => $senderName,
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'senderPortrait' => (string)($senderUser['_portrait'] ?? ''),
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'senderProfile' => [
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'uid' => $from,
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'displayName' => $senderName,
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'rawName' => $senderRawName,
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'contactAlias' => $senderContactAlias,
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'friendAlias' => $senderFriendAlias,
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'remarkAlias' => $senderRemarkAlias,
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'groupAlias' => $senderAlias,
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'isContact' => (bool)($senderUser['_is_friend'] ?? false),
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'mobile' => (string)($senderUser['_mobile'] ?? ''),
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'address' => (string)($senderUser['_address'] ?? ''),
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'portrait' => (string)($senderUser['_portrait'] ?? ''),
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'role' => $senderRole,
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],
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'to' => $groupId,
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'target' => $groupId,
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'direction' => $direction,
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'type' => $messageType,
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'contentType' => $contentType,
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'text' => attachmentDisplayText((string)$row['text'], $attachment),
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'attachment' => $attachment,
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'status' => $direction === 'out' ? 'sent' : 'sent',
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'deliveryStatus' => $direction === 'out' ? 'sent' : '',
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'recalled' => false,
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'recallStatus' => '',
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'editedAt' => $editedAt,
|
|
'timestamp' => $timestamp,
|
|
'activityTimestamp' => $activityTimestamp,
|
|
'displayTimestamp' => $timestamp,
|
|
'conversationType' => (string)($group['category'] ?? 'group'),
|
|
];
|
|
}
|
|
|
|
function loadWebGroupMessages(PDO $appDb, string $userId, string $groupId, int $limit, bool $markRead): array
|
|
{
|
|
ensureWebImAppTables();
|
|
$role = webGroupRole($appDb, $userId, $groupId);
|
|
if ($role === '') {
|
|
return [];
|
|
}
|
|
|
|
$groupStatement = $appDb->prepare('select * from `t_web_groups` where `group_id` = ? and `deleted` = 0 limit 1');
|
|
$groupStatement->execute([$groupId]);
|
|
$group = $groupStatement->fetch();
|
|
if (!$group) {
|
|
return [];
|
|
}
|
|
|
|
$statement = $appDb->prepare(
|
|
'select msg.*,'
|
|
. ' coalesce(sender_member.`role`, if(g.`owner_uid` = msg.`sender_uid`, "owner", "member")) as `sender_role`,'
|
|
. ' coalesce(sender_member.`alias`, "") as `sender_alias`'
|
|
. ' from `t_web_group_messages` msg'
|
|
. ' join `t_web_groups` g on g.`group_id` = msg.`group_id` and g.`deleted` = 0'
|
|
. ' left join `t_web_group_members` sender_member'
|
|
. ' on sender_member.`group_id` = msg.`group_id`'
|
|
. ' and sender_member.`user_id` = msg.`sender_uid`'
|
|
. ' and sender_member.`status` = 0'
|
|
. ' where msg.`group_id` = ? and msg.`recalled` = 0'
|
|
. ' order by msg.`created_at_ms` desc, msg.`id` desc limit ' . $limit
|
|
);
|
|
$statement->execute([$groupId]);
|
|
$rows = array_reverse($statement->fetchAll());
|
|
$attachmentMap = fetchAttachmentMap($appDb, array_column($rows, 'message_uid'));
|
|
$users = fetchUserInfoMap(imDb(), array_column($rows, 'sender_uid'), $userId);
|
|
|
|
$readTimestamp = 0;
|
|
$messages = [];
|
|
foreach ($rows as $row) {
|
|
$messageId = (string)$row['message_uid'];
|
|
$message = formatWebGroupMessage($row, $userId, $group, $attachmentMap[$messageId] ?? null, $users);
|
|
$readTimestamp = max($readTimestamp, (int)$message['activityTimestamp']);
|
|
$messages[] = $message;
|
|
}
|
|
|
|
if ($markRead) {
|
|
markWebGroupRead($appDb, $userId, $groupId, $readTimestamp);
|
|
}
|
|
|
|
return $messages;
|
|
}
|
|
|
|
function loadWebGroupConversations(PDO $appDb, string $userId, int $limit): array
|
|
{
|
|
ensureWebImAppTables();
|
|
$statement = $appDb->prepare(
|
|
'select g.*, m.`role`'
|
|
. ' from `t_web_groups` g'
|
|
. ' join `t_web_group_members` m on m.`group_id` = g.`group_id` and m.`status` = 0'
|
|
. ' where g.`deleted` = 0 and m.`user_id` = ?'
|
|
. ' order by g.`updated_at_ms` desc limit ' . min(max($limit, 50), 100)
|
|
);
|
|
$statement->execute([$userId]);
|
|
$groups = $statement->fetchAll();
|
|
if (!$groups) {
|
|
return [];
|
|
}
|
|
|
|
$lastMessageStatement = $appDb->prepare(
|
|
'select * from `t_web_group_messages`'
|
|
. ' where `group_id` = ? and `recalled` = 0'
|
|
. ' order by greatest(`created_at_ms`, `edited_at_ms`) desc, `id` desc limit 1'
|
|
);
|
|
$readStatement = $appDb->prepare(
|
|
'select `read_at_ms` from `t_web_group_reads` where `group_id` = ? and `user_id` = ? limit 1'
|
|
);
|
|
$lastAttachmentStatement = $appDb->prepare(
|
|
'select `attachment_type`, `url`, `name`, `mime`, `size_bytes`'
|
|
. ' from `t_web_message_attachments` where `message_uid` = ? limit 1'
|
|
);
|
|
$unreadStatement = $appDb->prepare(
|
|
'select count(*) from `t_web_group_messages`'
|
|
. ' where `group_id` = ? and `sender_uid` <> ? and `recalled` = 0'
|
|
. ' and greatest(`created_at_ms`, `edited_at_ms`) > ?'
|
|
);
|
|
$memberCountStatement = $appDb->prepare(
|
|
'select count(*) from `t_web_group_members` where `group_id` = ? and `status` = 0'
|
|
);
|
|
|
|
$conversations = [];
|
|
foreach ($groups as $group) {
|
|
$groupId = (string)$group['group_id'];
|
|
$lastMessageStatement->execute([$groupId]);
|
|
$lastMessage = $lastMessageStatement->fetch();
|
|
$readStatement->execute([$groupId, $userId]);
|
|
$readAt = (int)($readStatement->fetchColumn() ?: 0);
|
|
$unreadStatement->execute([$groupId, $userId, $readAt]);
|
|
$unread = (int)$unreadStatement->fetchColumn();
|
|
$memberCountStatement->execute([$groupId]);
|
|
$memberCount = (int)$memberCountStatement->fetchColumn();
|
|
|
|
$title = (string)$group['name'];
|
|
$category = (string)$group['category'];
|
|
$isChannel = $category === 'channel';
|
|
$lastAttachment = null;
|
|
if ($lastMessage) {
|
|
$lastAttachmentStatement->execute([(string)$lastMessage['message_uid']]);
|
|
$lastAttachmentRow = $lastAttachmentStatement->fetch();
|
|
$lastAttachment = $lastAttachmentRow ? normalizeAttachmentRow($lastAttachmentRow) : null;
|
|
}
|
|
$subtitle = $lastMessage
|
|
? (messagePreviewText([
|
|
'text' => attachmentDisplayText((string)$lastMessage['text'], $lastAttachment),
|
|
'attachment' => $lastAttachment,
|
|
]) ?: (string)$lastMessage['text'])
|
|
: ($isChannel ? '公告群' : ($memberCount > 0 ? $memberCount . ' 位成员' : '群组'));
|
|
$updatedAt = $lastMessage
|
|
? max((int)$lastMessage['created_at_ms'], (int)($lastMessage['edited_at_ms'] ?? 0))
|
|
: (int)$group['updated_at_ms'];
|
|
|
|
$conversations[] = [
|
|
'id' => 'group-' . $groupId,
|
|
'type' => $isChannel ? 'channel' : 'group',
|
|
'target' => $groupId,
|
|
'title' => $title,
|
|
'subtitle' => $subtitle,
|
|
'unread' => $unread,
|
|
'avatarText' => mb_strtoupper(mb_substr($title, 0, 1, 'UTF-8'), 'UTF-8'),
|
|
'updatedAt' => $updatedAt,
|
|
'role' => (string)$group['role'],
|
|
'memberCount' => $memberCount,
|
|
'raw' => [
|
|
'type' => 'group',
|
|
'target' => $groupId,
|
|
'line' => 0,
|
|
'category' => $category,
|
|
'role' => (string)$group['role'],
|
|
],
|
|
];
|
|
}
|
|
|
|
return $conversations;
|
|
}
|
|
|
|
function isRecallMessage(array $row): bool
|
|
{
|
|
return (int)($row['_content_type'] ?? 0) === 80;
|
|
}
|
|
|
|
function shouldDisplayMessageForUser(array $row, string $currentUserId): bool
|
|
{
|
|
if (!isRecallMessage($row)) {
|
|
return true;
|
|
}
|
|
|
|
return (string)$row['_from'] === $currentUserId;
|
|
}
|
|
|
|
function formatMessage(
|
|
array $row,
|
|
string $currentUserId,
|
|
string $peerId,
|
|
array $receiptState = [],
|
|
array $editState = [],
|
|
?array $attachment = null
|
|
): array
|
|
{
|
|
$messageId = (string)$row['_mid'];
|
|
$from = (string)$row['_from'];
|
|
$contentType = (int)($row['_content_type'] ?? 0);
|
|
$isRecalled = $contentType === 80;
|
|
$text = (string)($row['_searchable_key'] ?? '');
|
|
$timestamp = timestampMs((string)($row['_dt'] ?? ''), $messageId);
|
|
$direction = $from === $currentUserId ? 'out' : 'in';
|
|
$messageType = $attachment ? (string)$attachment['type'] : (($contentType === 1 || $isRecalled) ? 'text' : 'unknown');
|
|
$messageText = $text !== '' ? $text : ($isRecalled || $attachment ? '' : '[暂不支持的消息类型]');
|
|
$messageText = attachmentDisplayText($messageText, $attachment);
|
|
$editedAt = (int)($editState['editedAt'] ?? 0);
|
|
$activityTimestamp = messageActivityTimestamp($timestamp, $editState);
|
|
$deliveryStatus = $direction === 'out' && !$isRecalled
|
|
? outgoingDeliveryStatus($activityTimestamp, $receiptState)
|
|
: '';
|
|
|
|
return [
|
|
'id' => $messageId,
|
|
'messageUid' => $messageId,
|
|
'conversationId' => 'single-' . $peerId,
|
|
'from' => $from,
|
|
'to' => $from === $currentUserId ? $peerId : $currentUserId,
|
|
'target' => $peerId,
|
|
'direction' => $direction,
|
|
'type' => $messageType,
|
|
'contentType' => $attachment ? ((string)$attachment['type'] === 'image' ? 3 : 5) : $contentType,
|
|
'text' => $messageText,
|
|
'attachment' => $attachment,
|
|
'status' => $isRecalled && $direction === 'out' ? 'recalled' : ($direction === 'out' ? $deliveryStatus : 'sent'),
|
|
'deliveryStatus' => $deliveryStatus,
|
|
'recalled' => $isRecalled,
|
|
'recallStatus' => $isRecalled ? '已撤回' : '',
|
|
'editedAt' => $editedAt,
|
|
'timestamp' => $timestamp,
|
|
'activityTimestamp' => $activityTimestamp,
|
|
'displayTimestamp' => $timestamp,
|
|
];
|
|
}
|
|
|
|
function loadConversationMessages(PDO $db, string $userId, string $targetId, int $limit, bool $markRead): array
|
|
{
|
|
$table = imUserMessagesTable($userId);
|
|
$conversationKeys = [$userId . '|' . $targetId, $targetId . '|' . $userId];
|
|
$scanLimit = min(max($limit * 4, $limit), 400);
|
|
$statement = $db->prepare(
|
|
'select `_mid`, `_dt` from `' . $table . '`'
|
|
. ' where `_uid` = ? and `_type` = 0 and `_line` = 0'
|
|
. ' and `_target` in (?, ?)'
|
|
. ' order by `_mid` desc limit ' . $scanLimit
|
|
);
|
|
$statement->execute([$userId, $conversationKeys[0], $conversationKeys[1]]);
|
|
$userRows = $statement->fetchAll();
|
|
$messageRows = fetchMessageRows($db, array_column($userRows, '_mid'));
|
|
$editMap = fetchMessageEditMap($db, array_column($userRows, '_mid'));
|
|
$attachmentMap = fetchAttachmentMap(imAppDb(), array_column($userRows, '_mid'));
|
|
$receiptState = loadPeerReceiptState($db, $userId, $targetId);
|
|
|
|
$messages = [];
|
|
$seenMessageIds = [];
|
|
$readTimestamp = 0;
|
|
foreach ($userRows as $userRow) {
|
|
$messageId = (string)$userRow['_mid'];
|
|
if (isset($seenMessageIds[$messageId]) || !isset($messageRows[$messageId])) {
|
|
continue;
|
|
}
|
|
$seenMessageIds[$messageId] = true;
|
|
if (!shouldDisplayMessageForUser($messageRows[$messageId], $userId)) {
|
|
continue;
|
|
}
|
|
$message = formatMessage(
|
|
$messageRows[$messageId],
|
|
$userId,
|
|
$targetId,
|
|
$receiptState,
|
|
$editMap[$messageId] ?? [],
|
|
$attachmentMap[$messageId] ?? null
|
|
);
|
|
$messages[] = $message;
|
|
$readTimestamp = max($readTimestamp, (int)$message['activityTimestamp']);
|
|
if (count($messages) >= $limit) {
|
|
break;
|
|
}
|
|
}
|
|
$messages = array_reverse($messages);
|
|
|
|
if ($markRead) {
|
|
markConversationRead($db, $userId, $targetId, $readTimestamp);
|
|
}
|
|
|
|
return $messages;
|
|
}
|
|
|
|
function loadRecentConversations(PDO $db, string $userId, int $limit): array
|
|
{
|
|
$table = imUserMessagesTable($userId);
|
|
$scanLimit = min(max($limit * 20, 200), 1000);
|
|
$statement = $db->prepare(
|
|
'select `_mid`, `_target`, `_dt` from `' . $table . '`'
|
|
. ' where `_uid` = ? and `_type` = 0 and `_line` = 0'
|
|
. ' order by `_mid` desc limit ' . $scanLimit
|
|
);
|
|
$statement->execute([$userId]);
|
|
|
|
$scanRows = $statement->fetchAll();
|
|
$messageRows = fetchMessageRows($db, array_column($scanRows, '_mid'));
|
|
$editMap = fetchMessageEditMap($db, array_column($scanRows, '_mid'));
|
|
$attachmentMap = fetchAttachmentMap(imAppDb(), array_column($scanRows, '_mid'));
|
|
$latestByPeer = [];
|
|
foreach ($scanRows as $row) {
|
|
$messageId = (string)$row['_mid'];
|
|
$message = $messageRows[$messageId] ?? null;
|
|
$peerId = peerFromConversationTarget($userId, (string)$row['_target']);
|
|
if ($peerId === '' || !$message) {
|
|
continue;
|
|
}
|
|
if (!shouldDisplayMessageForUser($message, $userId)) {
|
|
continue;
|
|
}
|
|
$activityTimestamp = messageActivityTimestamp(
|
|
timestampMs((string)($message['_dt'] ?? ''), $messageId),
|
|
$editMap[$messageId] ?? []
|
|
);
|
|
if (!isset($latestByPeer[$peerId]) || $activityTimestamp > (int)($latestByPeer[$peerId]['_activity_at'] ?? 0)) {
|
|
$row['_activity_at'] = $activityTimestamp;
|
|
$latestByPeer[$peerId] = $row;
|
|
}
|
|
}
|
|
uasort($latestByPeer, static fn($a, $b) => (int)($b['_activity_at'] ?? 0) <=> (int)($a['_activity_at'] ?? 0));
|
|
$latestByPeer = array_slice($latestByPeer, 0, $limit, true);
|
|
|
|
$users = fetchUserInfoMap($db, array_keys($latestByPeer), $userId);
|
|
$readAtByPeer = loadOwnReadStateMap($db, $userId, array_keys($latestByPeer));
|
|
$unreadByPeer = [];
|
|
$seenUnreadMessageIds = [];
|
|
|
|
foreach ($scanRows as $row) {
|
|
$messageId = (string)$row['_mid'];
|
|
if (isset($seenUnreadMessageIds[$messageId])) {
|
|
continue;
|
|
}
|
|
$seenUnreadMessageIds[$messageId] = true;
|
|
$peerId = peerFromConversationTarget($userId, (string)$row['_target']);
|
|
$message = $messageRows[$messageId] ?? null;
|
|
if ($peerId === '' || !$message || !isset($latestByPeer[$peerId])) {
|
|
continue;
|
|
}
|
|
if ((string)$message['_from'] === $userId) {
|
|
continue;
|
|
}
|
|
if (isRecallMessage($message)) {
|
|
continue;
|
|
}
|
|
$timestamp = timestampMs((string)($message['_dt'] ?? ''), $messageId);
|
|
$activityTimestamp = messageActivityTimestamp($timestamp, $editMap[$messageId] ?? []);
|
|
if ($activityTimestamp > (int)($readAtByPeer[$peerId] ?? 0)) {
|
|
$unreadByPeer[$peerId] = (int)($unreadByPeer[$peerId] ?? 0) + 1;
|
|
}
|
|
}
|
|
|
|
$conversations = [];
|
|
|
|
foreach ($latestByPeer as $peerId => $userRow) {
|
|
$messageId = (string)$userRow['_mid'];
|
|
$message = isset($messageRows[$messageId])
|
|
? formatMessage($messageRows[$messageId], $userId, $peerId, [], $editMap[$messageId] ?? [], $attachmentMap[$messageId] ?? null)
|
|
: null;
|
|
$title = userTitle($users, $peerId);
|
|
$conversations[] = [
|
|
'id' => 'single-' . $peerId,
|
|
'type' => 'single',
|
|
'target' => $peerId,
|
|
'title' => $title,
|
|
'subtitle' => $message ? (messagePreviewText($message) !== '' ? messagePreviewText($message) : (empty($message['recalled']) ? '' : '已撤回')) : '',
|
|
'unread' => (int)($unreadByPeer[$peerId] ?? 0),
|
|
'portrait' => (string)($users[$peerId]['_portrait'] ?? ''),
|
|
'avatarText' => mb_strtoupper(mb_substr($title, 0, 1, 'UTF-8'), 'UTF-8'),
|
|
'updatedAt' => $message ? $message['activityTimestamp'] : timestampMs((string)($userRow['_dt'] ?? ''), $messageId),
|
|
'raw' => ['type' => 'single', 'target' => $peerId, 'line' => 0],
|
|
];
|
|
}
|
|
|
|
try {
|
|
$conversations = array_merge($conversations, loadWebGroupConversations(imAppDb(), $userId, $limit));
|
|
} catch (Throwable) {
|
|
// Keep single-chat sync available if appdata group metadata is temporarily unavailable.
|
|
}
|
|
|
|
usort($conversations, static fn($a, $b) => $b['updatedAt'] <=> $a['updatedAt']);
|
|
|
|
return array_slice($conversations, 0, $limit);
|
|
}
|
|
|
|
$payload = readJsonPayload();
|
|
$userId = trim((string)($payload['userId'] ?? ''));
|
|
$target = trim((string)($payload['target'] ?? ''));
|
|
$limit = clampLimit($payload['limit'] ?? 50, 50, 100);
|
|
$markRead = payloadBool($payload['markRead'] ?? false);
|
|
$conversationType = normalizeConversationType($payload['conversationType'] ?? $payload['type'] ?? 0);
|
|
|
|
if ($userId === '') {
|
|
respond(400, '缺少用户ID');
|
|
}
|
|
|
|
try {
|
|
$db = imDb();
|
|
$userId = resolveUserId($db, $userId);
|
|
markUserDelivered($db, $userId, nowMs());
|
|
|
|
if ($target !== '') {
|
|
$targetId = resolveUserId($db, $target);
|
|
if ($conversationType === 'group' || isWebGroupTarget(imAppDb(), $target)) {
|
|
respond(0, 'success', [
|
|
'messages' => loadWebGroupMessages(imAppDb(), $userId, $target, $limit, $markRead),
|
|
]);
|
|
}
|
|
respond(0, 'success', [
|
|
'messages' => loadConversationMessages($db, $userId, $targetId, $limit, $markRead),
|
|
]);
|
|
}
|
|
|
|
respond(0, 'success', [
|
|
'conversations' => loadRecentConversations($db, $userId, $limit),
|
|
]);
|
|
} catch (Throwable $error) {
|
|
respond(500, $error->getMessage() ?: '消息同步失败');
|
|
}
|