94 lines
		
	
	
		
			3.5 KiB
		
	
	
	
		
			PHP
		
	
	
	
	
	
			
		
		
	
	
			94 lines
		
	
	
		
			3.5 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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{
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    public function onInitExt(InitExtEvent $event)
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    {
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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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    {
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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(PageMode::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(PageMode::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));
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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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    {
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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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    {
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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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