89 lines
2.9 KiB
PHP
89 lines
2.9 KiB
PHP
<?php
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/*
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* Name: Featured Image
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* Author: Shish <webmaster@shishnet.org>
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* Link: http://code.shishnet.org/shimmie2/
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* License: GPLv2
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* Description: Bring a specific image to the users' attentions
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* Documentation:
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* Once enabled, a new "feature this" button will appear next
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* to the other image control buttons (delete, rotate, etc).
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* Clicking it will set the image as the site's current feature,
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* which will be shown in the side bar of the post list.
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* <p><b>Viewing a featured image</b>
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* <br>Visit <code>/featured_image/view</code>
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* <p><b>Downloading a featured image</b>
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* <br>Link to <code>/featured_image/download</code>. This will give
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* the raw data for an image (no HTML). This is useful so that you
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* can set your desktop wallpaper to be the download URL, refreshed
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* every couple of hours.
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*/
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class Featured extends Extension {
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public function onInitExt(InitExtEvent $event) {
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global $config;
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$config->set_default_int('featured_id', 0);
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}
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public function onPageRequest(PageRequestEvent $event) {
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global $config, $page, $user;
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if($event->page_matches("featured_image")) {
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if($event->get_arg(0) == "set" && $user->check_auth_token()) {
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if($user->can("edit_feature") && isset($_POST['image_id'])) {
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$id = int_escape($_POST['image_id']);
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if($id > 0) {
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$config->set_int("featured_id", $id);
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log_info("featured", "Featured image set to $id", "Featured image set");
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$page->set_mode("redirect");
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$page->set_redirect(make_link("post/view/$id"));
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}
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}
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}
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if($event->get_arg(0) == "download") {
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$image = Image::by_id($config->get_int("featured_id"));
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if(!is_null($image)) {
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$page->set_mode("data");
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$page->set_type($image->get_mime_type());
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$page->set_data(file_get_contents($image->get_image_filename()));
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}
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}
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if($event->get_arg(0) == "view") {
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$image = Image::by_id($config->get_int("featured_id"));
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if(!is_null($image)) {
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send_event(new DisplayingImageEvent($image, $page));
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}
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}
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}
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}
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public function onPostListBuilding(PostListBuildingEvent $event) {
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global $config, $database, $page, $user;
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$fid = $config->get_int("featured_id");
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if($fid > 0) {
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$image = $database->cache->get("featured_image_object:$fid");
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if($image === false) {
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$image = Image::by_id($fid);
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if($image) { // make sure the object is fully populated before saving
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$image->get_tag_array();
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}
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$database->cache->set("featured_image_object:$fid", $image, 600);
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}
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if(!is_null($image)) {
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if(ext_is_live("Ratings")) {
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if(strpos(Ratings::get_user_privs($user), $image->rating) === FALSE) {
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return;
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}
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}
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$this->theme->display_featured($page, $image);
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}
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}
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}
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public function onImageAdminBlockBuilding(ImageAdminBlockBuildingEvent $event) {
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global $user;
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if($user->can("edit_feature")) {
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$event->add_part($this->theme->get_buttons_html($event->image->id));
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}
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}
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}
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