117 lines
3.6 KiB
PHP
117 lines
3.6 KiB
PHP
<?php declare(strict_types=1);
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class ImageViewCounter extends Extension
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{
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protected ?Themelet $theme;
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private int $view_interval = 3600; # allows views to be added each hour
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# Add Setup Block with options for view counter
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public function onSetupBuilding(SetupBuildingEvent $event)
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{
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$sb = $event->panel->create_new_block("Post View Counter");
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$sb->add_bool_option("image_viewcounter_adminonly", "Display view counter only to admin");
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}
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# Adds view to database if needed
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public function onDisplayingImage(DisplayingImageEvent $event)
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{
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global $database, $user;
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$imgid = $event->image->id;
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// counts views from current IP in the last hour
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$recent_from_ip = (int)$database->get_one(
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"
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SELECT COUNT(*)
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FROM image_views
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WHERE ipaddress=:ipaddress AND timestamp >:lasthour AND image_id =:image_id
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",
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[
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"ipaddress" => $_SERVER['REMOTE_ADDR'],
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"lasthour" => time() - $this->view_interval,
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"image_id" => $imgid
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]
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);
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// don't add view if person already viewed recently
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if ($recent_from_ip > 0) {
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return;
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}
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// Add view for current IP
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$database->execute(
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"
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INSERT INTO image_views (image_id, user_id, timestamp, ipaddress)
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VALUES (:image_id, :user_id, :timestamp, :ipaddress)
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",
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[
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"image_id" => $imgid,
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"user_id" => $user->id,
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"timestamp" => time(),
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"ipaddress" => $_SERVER['REMOTE_ADDR'],
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]
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);
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}
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public function onImageInfoBoxBuilding(ImageInfoBoxBuildingEvent $event)
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{
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global $user, $database;
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if ($user->can(Permissions::SEE_IMAGE_VIEW_COUNTS)) {
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$view_count = (int)$database->get_one(
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"SELECT COUNT(*) FROM image_views WHERE image_id =:image_id",
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["image_id" => $event->image->id]
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);
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$event->add_part(
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"<tr><th>Views:</th><td>$view_count</td></tr>",
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38
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);
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}
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}
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public function onDatabaseUpgrade(DatabaseUpgradeEvent $event)
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{
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global $database, $config;
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if ($config->get_bool("image_viewcounter_installed") == false) { //todo
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$database->create_table("image_views", "
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id SCORE_AIPK,
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image_id INTEGER NOT NULL,
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user_id INTEGER NOT NULL,
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timestamp INTEGER NOT NULL,
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ipaddress SCORE_INET NOT NULL");
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$config->set_bool("image_viewcounter_installed", true);
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}
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}
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public function onPageRequest(PageRequestEvent $event)
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{
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global $database;
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if ($event->page_matches("popular_images")) {
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$sql = "
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SELECT image_id, count(*) AS total_views
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FROM image_views, images
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WHERE image_views.image_id = image_views.image_id
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AND image_views.image_id = images.id
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GROUP BY image_views.image_id
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ORDER BY total_views DESC
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";
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$result = $database->get_col($sql);
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$images = [];
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foreach ($result as $id) {
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$images[] = Image::by_id(intval($id));
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}
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$this->theme->view_popular($images);
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}
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}
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public function onPageSubNavBuilding(PageSubNavBuildingEvent $event)
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{
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if ($event->parent=="posts") {
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$event->add_nav_link("sort_by_visits", new Link('popular_images'), "Popular Posts");
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}
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}
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}
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