Merge pull request #280 from DrudexSoftware/master
Image View Counter, Arrow Navigation, and Custom HTML Headers
This commit is contained in:
Shish
commit
a55c5efc4f
114
ext/arrowkey_navigation/main.php
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114
ext/arrowkey_navigation/main.php
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<?php
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/**
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* Name: Arrow Key Navigation
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* Author: Drudex Software <support@drudexsoftware.com>
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* Link: http://www.drudexsoftware.com/
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* License: GPLv2
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* Description: Allows viewers no navigate between images using the left & right arrow keys.
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* Documentation:
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* Simply enable this extention in the extention manager to enable arrow key navigation.
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*/
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class arrowkey_navigation extends Extension {
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# Adds functionality for post/list
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public function onPageRequest(PageRequestEvent $event) {
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if ($event->page_matches("post/view")) {
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$pageinfo = $this->get_view_pageinfo($event);
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$prev_url = make_http(make_link("post/prev/".$pageinfo));
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$next_url = make_http(make_link("post/next/".$pageinfo));
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$this->add_arrowkeys_code($prev_url, $next_url);
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}
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else if ($event->page_matches("post/list")) {
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$pageinfo = $this->get_list_pageinfo($event);
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$prev_url = make_http(make_link("post/list/".$pageinfo["prev"]));
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$next_url = make_http(make_link("post/list/".$pageinfo["next"]));
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$this->add_arrowkeys_code($prev_url, $next_url);
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}
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}
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# adds the javascript to the page with the given urls
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private function add_arrowkeys_code($prev_url, $next_url) {
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global $page;
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$page->add_html_header("<script type=\"text/javascript\">
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document.onkeyup=checkKeycode;
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function checkKeycode(e)
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{
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var keycode;
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if(window.event) keycode=window.event.keyCode;
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else if(e) keycode=e.which;
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if (e.srcElement.tagName != \"INPUT\")
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{
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if(keycode==\"37\") window.location.href='$prev_url' + window.location.hash;
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else if(keycode==\"39\") window.location.href='$next_url' + window.location.hash;
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}
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}
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</script>");
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}
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# returns info about the current page number
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private function get_list_pageinfo($event) {
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global $config, $database;
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// get the amount of images per page
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$images_per_page = $config->get_int('index_images');
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// this occurs when viewing post/list without page number
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if ($event->get_arg(0) == null) {// no page listed
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$prefix = "";
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$page_number = 1;
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$total_pages = ceil($database->get_one(
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"SELECT COUNT(*) FROM images") / $images_per_page);
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}
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// if there are no tags, use default
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else if ($event->get_arg(1) == null){
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$prefix = "";
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$page_number = (int)$event->get_arg(0);
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$total_pages = ceil($database->get_one(
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"SELECT COUNT(*) FROM images") / $images_per_page);
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}
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else { // if there are tags, use pages with tags
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$prefix = $event->get_arg(0)."/";
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$page_number = (int)$event->get_arg(1);
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$total_pages = ceil($database->get_one(
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"SELECT count FROM tags WHERE tag=:tag",
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array("tag"=>$event->get_arg(0))) / $images_per_page);
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}
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// creates previous & next values
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// When previous first page, go to last page
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if ($page_number <= 1) $prev = $total_pages;
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else $prev = $page_number-1;
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if ($page_number >= $total_pages) $next = 1;
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else $next = $page_number+1;
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// Create return array
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$pageinfo = array(
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"prev" => $prefix.$prev.$after,
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"next" => $prefix.$next.$after,
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);
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return $pageinfo;
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}
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# returns url ext with any tags
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private function get_view_pageinfo($event) {
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// if there are no tags, use default
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if ($event->get_arg(1) == null){
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$prefix = "";
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$image_id = (int)$event->get_arg(0);
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}
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else { // if there are tags, use pages with tags
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$prefix = $event->get_arg(0)."/";
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$image_id = (int)$event->get_arg(1);
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}
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// returns result
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return $prefix.$image_id;
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}
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}
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?>
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33
ext/custom_html_headers/main.php
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ext/custom_html_headers/main.php
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<?php
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/**
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* Name: Custom HTML Headers
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* Author: Drudex Software <support@drudexsoftware.com>
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* Link: http://www.drudexsoftware.com
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* License: GPLv2
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* Description: Allows admins to set custom <head> content
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* Documentation:
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* When you go to board config you can find a block named Custom HTML Headers.
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* In that block you can simply place any thing you can place within <head></head>
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*
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* This can be useful if you want to add website tracking code or other javascript.
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* NOTE: Only use if you know what you're doing.
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*
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*/
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class custom_html_headers extends Extension {
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# Adds setup block for custom <head> content
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public function onSetupBuilding(SetupBuildingEvent $event) {
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$sb = new SetupBlock("Custom HTML Headers");
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$sb->add_longtext_option("custom_html_headers",
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"HTML Code to place within <head></head> on all pages<br>");
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$event->panel->add_block($sb);
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}
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# Load Analytics tracking code on page request
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public function onPageRequest(PageRequestEvent $event) {
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global $config, $page;
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$header = $config->get_string('custom_html_headers','');
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if ($header!='') $page->add_html_header($header);
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}
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}
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?>
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108
ext/image_view_counter/main.php
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ext/image_view_counter/main.php
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<?php
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/**
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* Name: Image View Counter
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* Author: Drudex Software <support@drudexsoftware.com>
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* Link: http://www.drudexsoftware.com/
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* License: GPLv2
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* Description: Tracks & displays how many times an image is viewed
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* Documentation:
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* Whenever anyone views an image, a view will be added to that image.
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* This extension will also track any username & the IP adress.
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* This is done to prevent duplicate views.
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* A person can only count as a view again 1 hour after viewing the image initially.
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*/
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class image_view_counter extends Extension {
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private $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 $event) {
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$sb = new SetupBlock("Image View Counter");
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$sb->add_bool_option("image_viewcounter_adminonly", "Display view counter only to admin");
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$event->panel->add_block($sb);
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}
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# Adds view to database if needed
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public function onDisplayingImage(DisplayingImageEvent $event) {
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$imgid = $event->image->id; // determines image id
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$this->addview($imgid); // adds a view
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}
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# display views to user or admin below image if allowed
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public function onImageInfoBoxBuilding(ImageInfoBoxBuildingEvent $event) {
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global $user, $config;
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$adminonly = $config->get_bool("image_viewcounter_adminonly"); // todo0
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if ($adminonly == false || ($adminonly && $user->is_admin()))
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$event->add_part("<tr><th>Views:</th><td>".
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$this->get_view_count($event->image->id) ."</th></tr>", 38);
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}
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# Installs DB table
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public function onInitExt(InitExtEvent $event) {
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global $database, $config;
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// if the sql table doesn't exist yet, create it
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if($config->get_bool("image_viewcounter_installed") == false) { //todo
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$database->create_table("image_views","
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id bigint(20) SCORE_AIPK,
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image_id INTEGER NOT NULL,
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user_id INTEGER NOT NULL,
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timestamp INTEGER NOT NULL,
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ipaddress SCORE_INET NOT NULL");
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$config->set_bool("image_viewcounter_installed", true);
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}
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}
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# Adds a view to the item if needed
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private function addview($imgid)
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{
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global $database, $user;
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// don't add view if person already viewed recently
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if ($this->can_add_view($imgid) == false) return;
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// Add view for current IP
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$database->execute("INSERT INTO image_views (image_id, user_id, timestamp, ipaddress)
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VALUES (:image_id, :user_id, :timestamp, :ipaddress)", array(
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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" => $_SERVER['REMOTE_ADDR'],
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));
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}
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# Returns true if this IP hasn't recently viewed this image
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private function can_add_view($imgid)
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{
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global $database;
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// counts views from current IP in the last hour
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$recent_from_ip = (int)$database->get_one("SELECT COUNT(*) FROM image_views WHERE
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ipaddress=:ipaddress AND timestamp >:lasthour AND image_id =:image_id",
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array( "ipaddress" => $_SERVER['REMOTE_ADDR'],
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"lasthour" => time() - $this->view_interval,
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"image_id" => $imgid));
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// if no views were found with the set criteria, return true
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if($recent_from_ip == 0) return true;
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else return false;
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}
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# Returns the int of the view count from the given image id
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// $imgid - if not set or 0, return views of all images
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private function get_view_count($imgid = 0)
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{
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global $database;
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if ($imgid == 0) // return view count of all images
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$view_count = (int)$database->get_one("SELECT COUNT(*) FROM image_views");
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else // return view count of specified image
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$view_count = (int)$database->get_one("SELECT COUNT(*) FROM image_views WHERE ".
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"image_id =:image_id", array("image_id" => $imgid));
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// returns the count as int
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return $view_count;
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}
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}
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?>
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