<?php

/*
 * Written by Justin Henry, http://greengaloshes.cc
 * Released under GNU Lesser General Public License (http://www.gnu.org/copyleft/lgpl.html)    
*/

require_once("phpFlickr/phpFlickr.php");

/**
* FlickrGallery
*/
class flickrGallery
{
    function FlickrGallery()
    {
        $this->user_id = '1234567@N00'; // replace w/ a real user id
        $this->api_key = '4dsds09fgsfg34jh0e76g'; //replace w/ a real api key 
        $this->fs_cache_path = '/full/system/path/to/cache/dir/'; // where to store downloaded images
        
        $this->cache_url = 'http://full.url.to/above/cache/dir/'; // so we can access the downloaded images
        $this->zoomify_path = '/full/system/path/to/zoomify/dir/'; // tell the system where to put zoomed images
        
        // init api class
        $this->f =& new phpFlickr($this->api_key);

        // turn on cache
        $this->f->enableCache("db", 'mysql://user:password@server/database'); // reccommended. 
        //$this->f->enableCache("fs", $this->fs_cache_path); // if you don't have a database
        
        // this tells phpFlickr::imageCache where to cache images
        $this->f->cache_dir = $this->fs_cache_path; 
    }


    /**
     * display_gallery
     * 
     * @return void 
     * @author Justin Henry
     **/
    function display_gallery($tags, $result_size, $refresh_image_cache = false)
    {

        // perform search
        $search_results = $this->f->photos_search( 
                                                    array(
                                                        "user_id"=>$this->user_id, 
                                                        "tags"=>$tags, 
                                                        "per_page"=>$result_size, 
                                                        "tag_mode"=>"all"
                                                        ) 
                                                );
    
        // loop through results and display
        foreach ($search_results['photo'] as $photo) : 
        
            $photo_id = $photo['id'];
            $url = $this->f->buildPhotoURL($photo, "Small");
            $cached_image = "cache/" . $this->f->cacheImage($url, $refresh_image_cache);
    ?>    

        <span class="thumb"><p class="title"><?php echo $photo["title"]; ?></p>
        <a class="new_screen" href="zoom.php?photo_id=<?php echo $photo_id; ?>"><img class="tn" src="<?php echo $cached_image; ?>" alt="<?php echo $photo["title"]; ?>" /></a>
        <p class="subtitle"><a class="new_screen" href="zoom.php?photo_id=<?php echo $photo_id; ?>">Zoom in on this photo</a>, or view the <a class="new_screen" href="http://flickr.com/photos/<?php echo $this->user_id; ?>/<?php echo $photo_id; ?>">photo page</a>.</p>
        </span>

        <?php 
    
        endforeach; 
    
    }

    function display_large_image($photo_id, $refresh_image_cache = false)
    {
    
        // perform query
        $photo = $this->f->photos_getInfo($photo_id);
    
        // set up cache
        $url = $this->f->buildPhotoURL($photo, "large");
        $cached_image = "cache/" . $this->f->cacheImage($url, $refresh_image_cache);
        ?>
    
        <span class="large_size"><p class="title"><?php echo $photo["title"]; ?></p>
        <img class="large" src="<?php echo $cached_image; ?>" alt="<?php echo $photo["title"]; ?>" />
        <p class="description"><?php echo $photo["description"]; ?></p>
        <p class="flickr_credit">You can also view the <a class="new_screen" href="http://flickr.com/photos/<?php echo $this->user_id; ?>/<?php echo $photo_id; ?>">photo page</a>.</p>
        </span>
    
        <?php
    }
    
    function zoomify_collection($tags, $result_size, $refresh_image_cache = false)
    {
        $cache_url = null;
        $zoomify_path = null;

        // perform search
        $search_results = $this->f->photos_search( array("user_id"=>$this->user_id, "tags"=>$tags, "per_page"=>$result_size) );
    
        foreach ($search_results['photo'] as $photo) { 
        
            $photo_id = $photo['id'];
            $url = $this->f->buildPhotoURL($photo, "Original");
            //$sizes = $this->f->photos_getSizes($photo["id"]);
            //print_r($sizes);
            $this->f->cache_dir = $this->zoomify_path;
            $cached_image = $this->zoomify_path . $this->f->cacheImage($url, $refresh_image_cache);
            
            $filename = explode(".", basename($url));
            $base = $filename[0] . "_zdata";
            
            // if it hasn't been converted, process it.
            if(!is_dir($this->zoomify_path.$base)) {
                echo "<h2>processing image $cached_image ...</h2>";
                $zoomify = new ZoomifyFileProcessor();
                $zoomify->debug = 1;
                $zoomify->ZoomifyProcess($cached_image);
            }
        } 
    
    }
    
}
?>