95 lines
2.7 KiB
PHP
95 lines
2.7 KiB
PHP
<?php
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include_once '_category.php';
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function track_check_category(int $user, int $category): int {
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global $pdo;
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static $cache = [];
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if($user < 1 || $category < 1)
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return false;
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$trackId = "{$user}-{$category}";
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if(isset($cache[$trackId]))
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return $cache[$trackId];
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$cache[$trackId] = 0;
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$children = category_child_ids($category);
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foreach($children as $child)
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$cache[$trackId] += track_check_category($user, $child);
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$countUnread = $pdo->prepare('
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SELECT COUNT(ti.`topic_id`)
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FROM `fmf_topics` AS ti
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LEFT JOIN `fmf_track` AS tt
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ON tt.`topic_id` = ti.`topic_id` AND tt.`user_id` = :user
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WHERE ti.`cat_id` = :category
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AND ti.`topic_bumped` >= NOW() - INTERVAL 1 MONTH
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AND (
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tt.`track_timestamp` IS NULL
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OR tt.`track_timestamp` < ti.`topic_bumped`
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)
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');
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$countUnread->bindValue('category', $category);
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$countUnread->bindValue('user', $user);
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$cache[$trackId] += $countUnread->execute() ? (int)$countUnread->fetchColumn() : 0;
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return $cache[$trackId];
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}
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function track_check_topic(int $user, int $topic): bool {
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global $pdo;
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static $cache = [];
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if($user < 1 || $topic < 1)
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return false;
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$trackId = "{$user}-{$topic}";
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if(isset($cache[$trackId]))
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return $cache[$trackId];
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$getUnread = $pdo->prepare('
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SELECT
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:user AS `target_user_id`,
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(
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SELECT
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`target_user_id` > 0
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AND
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t.`topic_bumped` > NOW() - INTERVAL 1 MONTH
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AND (
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SELECT COUNT(ti.`topic_id`) < 1
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FROM `fmf_track` AS tt
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RIGHT JOIN `fmf_topics` AS ti
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ON ti.`topic_id` = tt.`topic_id`
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WHERE ti.`topic_id` = t.`topic_id`
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AND tt.`user_id` = `target_user_id`
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AND `track_timestamp` >= `topic_bumped`
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)
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)
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FROM `fmf_topics` AS t
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WHERE t.`topic_id` = :topic
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');
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$getUnread->bindValue('user', $user);
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$getUnread->bindValue('topic', $topic);
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return $cache[$trackId] = ($getUnread->execute() ? $getUnread->fetchColumn(1) : false);
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}
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function update_track(int $user, int $topic, int $category): void {
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global $pdo;
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if($user < 1 || $topic < 1 || $category < 1)
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return;
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$updateTrack = $pdo->prepare('
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REPLACE INTO `fmf_track`
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(`cat_id`, `topic_id`, `user_id`)
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VALUES
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(:category, :topic, :user)
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');
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$updateTrack->bindValue('category', $category);
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$updateTrack->bindValue('topic', $topic);
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$updateTrack->bindValue('user', $user);
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$updateTrack->execute();
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}
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