<?php
/**
 * portfolio git code browser
 *
 * @author 		andrew harrison <andrew@harrison.nu>
 * @copyright 	creative commons attribution-shareAlike 3.0 unported
 * @license 	http://creativecommons.org/licenses/by-sa/3.0/ 
 * @version 	0.0.6
 */
namespace app;
class code extends base {
	/**
	 * index
	 * list repos
	 */
	function index() {
		$this->qoob->load('qoob\core\view\stache');

		$content = $this->qoob->stache->render(
			'nav', 
			array(
				'domain' => $this->domain,
				'code' => 'class="active"'
			),
			true
		);

		$this->qoob->load('app\model\code_model');
		$repositories = $this->qoob->code_model->repos();

		$repos = '';
		if(!isset($repositories[0])) {
			$repos = '<article><section>No code found...</section></article>';
		} else {
			foreach ($repositories as $repo) {
				//create download link for newest commit on master
				$this->git_init($repo['repo']);
				$gitcommit = $this->qoob->git->getTip('master');
				$obj = $this->qoob->git->getObject($gitcommit);
				$hist = $obj->getHistory();
				$hist = array_reverse($hist);
				$commit = \qoob\utils\sha1_hex($hist[0]->name);
				$gitcommit = $this->qoob->git->getObject(\qoob\utils\sha1_bin($commit));
				$tree = $gitcommit->getTree();
				$url = $this->domain.'/code/'.$repo['url'].'/master/'.$commit;
				$dl = $url.'/tree/'.\qoob\utils\sha1_hex($tree->name).'/zip';
				//display demo link is available
				$view = $repo['demo'] != '' ? 
					'<li><a href="'.$repo['demo'].'"><i class="fa fa-eye"></i></a></li>' : 
					'';
				$repos .= $this->qoob->stache->render(
					'code-repo', 
					array(
						'title' => $repo['name'],
						'subtitle' => $repo['subtitle'],
						'description' => html_entity_decode($repo['description']),
						'clone' => $this->domain.'/repos/'.$repo['repo'],
						'download' => $dl,
						'url' => $this->domain.'/code/'.$repo['url'],
						'view' => $view,
					),
					true
				);
			}
		}

		$content .= $this->qoob->stache->render(
			'code-index', 
			array(
				'list' => $repos
			),
			true
		);

		$this->qoob->stache->render(
			'template', 
			array(
				'author' => \library::get('CONFIG.GENERAL.author'),
				'copyright' => \library::get('CONFIG.GENERAL.copyrightHTML'),
				'keywords' => \library::get('CONFIG.GENERAL.keywords'),
				'description' => \library::get('CONFIG.GENERAL.description'),
				'domain' => $this->domain,
				'title' => 'personal programming portfolio',
				'page' => 'code',
				'content' => $content,
				'year'=> date('Y'), 
			)
		);
	}
	/**
	 * repo
	 * repository overview
	 *
	 * @param array $args url arguments
	 */
	function repo($args) {
		$this->qoob->load('app\model\code_model');
		$repo = $this->qoob->code_model->get_repo(
			isset($args['repo']) ? 
			$args['repo'] : 
			''
		);
		if(!isset($repo[0])) {
			throw new \Exception("Unknown git repo", 404);
		}
		$this->git_init($repo[0]['repo']);
		$branch = 'master';

		$this->qoob->load('qoob\core\view\stache');

		$content = $this->qoob->stache->render(
			'nav', 
			array(
				'domain' => $this->domain,
				'code' => 'class="active"'
			),
			true
		);

		$image = $repo[0]['preview'] != '' ?
			'<img src="'.$this->domain.'/ui/img/code/'.$repo[0]['preview'].'" alt="'.$repo[0]['name'].'" />' :
			'';

		$url = $this->domain.'/code/'.$repo[0]['url'];
		$content .= $this->qoob->stache->render(
			'code-repo-header', 
			array(
				'title' => $repo[0]['name'],
				'subtitle' => $repo[0]['subtitle'],
				'image' => $image,
				'clone' => $this->domain.'/code/'.$repo[0]['repo'],
				'history' => $this->domain.'/code/'.$repo[0]['url'].'/'.$branch.'/history',
				'branches' => $this->git_branches($url, $branch),
				'commits' => $this->git_commits($url, $branch, '')
			),
			true
		);

		$content .= $this->qoob->stache->render(
			'code-repo-files', 
			$this->git_tree($repo[0]['url'], $branch, ''),
			true
		);


		$this->qoob->stache->render(
			'template', 
			array(
				'author' => \library::get('CONFIG.GENERAL.author'),
				'copyright' => \library::get('CONFIG.GENERAL.copyrightHTML'),
				'keywords' => \library::get('CONFIG.GENERAL.keywords'),
				'description' => \library::get('CONFIG.GENERAL.description'),
				'domain' => $this->domain,
				'title' => 'personal programming portfolio',
				'page' => 'code',
				'content' => $content,
				'year'=> date('Y'), 
			)
		);
	}
	/**
	 * branch
	 * git branch overview
	 *
	 * @param array $args url arguments
	 */
	function branch($args) {
		$this->qoob->load('app\model\code_model');
		$repo = $this->qoob->code_model->get_repo(
			isset($args['repo']) ? 
			$args['repo'] : 
			''
		);
		if(!isset($repo[0])) {
			throw new \Exception("Unknown git repo", 404);
		}
		$this->git_init($repo[0]['repo']);
		$branch = isset($args['branch']) ? $args['branch'] : '';
		if(!in_array($branch, $this->qoob->git->branches)) {
			throw new \Exception("Unknown branch", 404);
		}

		$this->qoob->load('qoob\core\view\stache');

		$content = $this->qoob->stache->render(
			'nav', 
			array(
				'domain' => $this->domain,
				'code' => 'class="active"'
			),
			true
		);

		$image = $repo[0]['preview'] != '' ?
			'<img src="'.$this->domain.'/ui/img/code/'.$repo[0]['preview'].'" alt="'.$repo[0]['name'].'" />' :
			'';

		$url = $this->domain.'/code/'.$repo[0]['url'];
		$content .= $this->qoob->stache->render(
			'code-repo-header', 
			array(
				'title' => $repo[0]['name'],
				'subtitle' => $repo[0]['subtitle'],
				'image' => $image,
				'clone' => $this->domain.'/code/'.$repo[0]['repo'],
				'history' => $this->domain.'/code/'.$repo[0]['url'].'/'.$branch.'/history',
				'branches' => $this->git_branches($url, $branch),
				'commits' => $this->git_commits($url, $branch, '')
			),
			true
		);

		$content .= $this->qoob->stache->render(
			'code-repo-files', 
			$this->git_tree($repo[0]['url'], $branch, ''),
			true
		);

		$this->qoob->stache->render(
			'template', 
			array(
				'author' => \library::get('CONFIG.GENERAL.author'),
				'copyright' => \library::get('CONFIG.GENERAL.copyrightHTML'),
				'keywords' => \library::get('CONFIG.GENERAL.keywords'),
				'description' => \library::get('CONFIG.GENERAL.description'),
				'domain' => $this->domain,
				'title' => 'personal programming portfolio',
				'page' => 'code',
				'content' => $content,
				'year'=> date('Y'), 
			)
		);
	}
	/**
	 * history
	 * git repo commit history
	 *
	 * @param array $args url arguments
	 */
	function history($args) {
		$this->qoob->load('app\model\code_model');
		$repo = $this->qoob->code_model->get_repo(
			isset($args['repo']) ? 
			$args['repo'] : 
			''
		);
		if(!isset($repo[0])) {
			throw new \Exception("Unknown git repo", 404);
		}
		$this->git_init($repo[0]['repo']);
		$branch = isset($args['branch']) ? $args['branch'] : '';
		if(!in_array($branch, $this->qoob->git->branches)) {
			throw new \Exception("Unknown branch", 404);
		}

		$this->qoob->load('qoob\core\view\stache');

		$content = $this->qoob->stache->render(
			'nav', 
			array(
				'domain' => $this->domain,
				'code' => 'class="active"'
			),
			true
		);

		$image = $repo[0]['preview'] != '' ?
			'<img src="'.$this->domain.'/ui/img/code/'.$repo[0]['preview'].'" alt="'.$repo[0]['name'].'" />' :
			'';
		
		$url = $this->domain.'/code/'.$repo[0]['url'];
		$content .= $this->qoob->stache->render(
			'code-repo-header', 
			array(
				'title' => $repo[0]['name'],
				'subtitle' => $repo[0]['subtitle'],
				'image' => $image,
				'clone' => $this->domain.'/code/'.$repo[0]['repo'],
				'history' => $this->domain.'/code/'.$repo[0]['url'].'/'.$branch.'/history',
				'branches' => $this->git_branches($url, $branch),
				'commits' => $this->git_commits($url, $branch, '')
			),
			true
		);

		$gitcommit = $this->qoob->git->getTip($branch);
		$obj = $this->qoob->git->getObject($gitcommit);
		$hist = $obj->getHistory();
		$hist = array_reverse($hist);
		$commits = '';
		foreach ($hist as $event) {
			//just incase the committer info is blank
			$name = $event->committer->name === '' ? 'andrew harrison' : $event->committer->name;
			$email = $event->committer->email == '' ? 'andrew@harrison.nu' : $event->committer->email;
			$commits .= '<li><cite>'.$name.' <'.$email.'><cite><em>'.date('m/d/y', $event->committer->time).'</em><blockquote><a href="'.$this->domain.'/code/'.$repo[0]['url'].'/'.$branch.'/'.\qoob\utils\sha1_hex($event->name).'"><i class="fa fa-code-fork"></i>'.substr(\qoob\utils\sha1_hex($event->name), 0, 10).'</a> '.wordwrap($event->summary, 90).'</blockquote></li>';
		}
		$content .= $this->qoob->stache->render(
			'code-repo-history', 
			array(
				'commits' => $commits
			),
			true
		);

		$this->qoob->stache->render(
			'template', 
			array(
				'author' => \library::get('CONFIG.GENERAL.author'),
				'copyright' => \library::get('CONFIG.GENERAL.copyrightHTML'),
				'keywords' => \library::get('CONFIG.GENERAL.keywords'),
				'description' => \library::get('CONFIG.GENERAL.description'),
				'domain' => $this->domain,
				'title' => 'personal programming portfolio',
				'page' => 'code',
				'content' => $content,
				'year'=> date('Y'), 
			)
		);
	}
	/**
	 * commit
	 * git commit overview
	 *
	 * @param array $args url arguments
	 */
	function commit($args) {
		$this->qoob->load('app\model\code_model');
		$repo = $this->qoob->code_model->get_repo(
			isset($args['repo']) ? 
			$args['repo'] : 
			''
		);
		if(!isset($repo[0])) {
			throw new \Exception("Unknown git repo", 404);
		}
		$this->git_init($repo[0]['repo']);
		$branch = isset($args['branch']) ? $args['branch'] : '';
		$commit = isset($args['commit']) ? $args['commit'] : '';
		if(!in_array($branch, $this->qoob->git->branches)) {
			throw new \Exception("Unknown branch", 404);
		}

		$this->qoob->load('qoob\core\view\stache');

		$content = $this->qoob->stache->render(
			'nav', 
			array(
				'domain' => $this->domain,
				'code' => 'class="active"'
			),
			true
		);

		$image = $repo[0]['preview'] != '' ?
			'<img src="'.$this->domain.'/ui/img/code/'.$repo[0]['preview'].'" alt="'.$repo[0]['name'].'" />' :
			'';

		$url = $this->domain.'/code/'.$repo[0]['url'];
		$content .= $this->qoob->stache->render(
			'code-repo-header', 
			array(
				'title' => $repo[0]['name'],
				'subtitle' => $repo[0]['subtitle'],
				'image' => $image,
				'clone' => $this->domain.'/code/'.$repo[0]['repo'],
				'history' => $this->domain.'/code/'.$repo[0]['url'].'/'.$branch.'/history',
				'branches' => $this->git_branches($url, $branch),
				'commits' => $this->git_commits($url, $branch, $commit)
			),
			true
		);

		$content .= $this->qoob->stache->render(
			'code-repo-files', 
			$this->git_tree($repo[0]['url'], $branch, $commit),
			true
		);

		$this->qoob->stache->render(
			'template', 
			array(
				'author' => \library::get('CONFIG.GENERAL.author'),
				'copyright' => \library::get('CONFIG.GENERAL.copyrightHTML'),
				'keywords' => \library::get('CONFIG.GENERAL.keywords'),
				'description' => \library::get('CONFIG.GENERAL.description'),
				'domain' => $this->domain,
				'title' => 'personal programming portfolio',
				'page' => 'code',
				'content' => $content,
				'year'=> date('Y'), 
			)
		);
	}
	/**
	 * tree
	 * git commit tree
	 *
	 * @param array $args url arguments
	 */
	function tree($args) {
		$this->qoob->load('app\model\code_model');
		$repo = $this->qoob->code_model->get_repo(
			isset($args['repo']) ? 
			$args['repo'] : 
			''
		);
		if(!isset($repo[0])) {
			throw new \Exception("Unknown git repo", 404);
		}
		$this->git_init($repo[0]['repo']);
		$branch = isset($args['branch']) ? $args['branch'] : '';
		$commit = isset($args['commit']) ? $args['commit'] : '';
		$obj = isset($args['obj']) ? $args['obj'] : '';
		if(!in_array($branch, $this->qoob->git->branches)) {
			throw new \Exception("Unknown branch", 404);
		}

		$this->qoob->load('qoob\core\view\stache');

		$content = $this->qoob->stache->render(
			'nav', 
			array(
				'domain' => $this->domain,
				'code' => 'class="active"'
			),
			true
		);

		$image = $repo[0]['preview'] != '' ?
			'<img src="'.$this->domain.'/ui/img/code/'.$repo[0]['preview'].'" alt="'.$repo[0]['name'].'" />' :
			'';

		$url = $this->domain.'/code/'.$repo[0]['url'];
		$content .= $this->qoob->stache->render(
			'code-repo-header', 
			array(
				'title' => $repo[0]['name'],
				'subtitle' => $repo[0]['subtitle'],
				'image' => $image,
				'clone' => $this->domain.'/code/'.$repo[0]['repo'],
				'history' => $this->domain.'/code/'.$repo[0]['url'].'/'.$branch.'/history',
				'branches' => $this->git_branches($url, $branch),
				'commits' => $this->git_commits($url, $branch, $commit)
			),
			true
		);

		$content .= $this->qoob->stache->render(
			'code-repo-files', 
			$this->git_tree($repo[0]['url'], $branch, $commit, $obj),
			true
		);

		$this->qoob->stache->render(
			'template', 
			array(
				'author' => \library::get('CONFIG.GENERAL.author'),
				'copyright' => \library::get('CONFIG.GENERAL.copyrightHTML'),
				'keywords' => \library::get('CONFIG.GENERAL.keywords'),
				'description' => \library::get('CONFIG.GENERAL.description'),
				'domain' => $this->domain,
				'title' => 'personal programming portfolio',
				'page' => 'code',
				'content' => $content,
				'year'=> date('Y'), 
			)
		);
	}
	/**
	 * blob
	 * git commit blob data
	 *
	 * @param array $args url arguments
	 */
	function blob($args) {
		$this->qoob->load('app\model\code_model');
		$repo = $this->qoob->code_model->get_repo(
			isset($args['repo']) ? 
			$args['repo'] : 
			''
		);
		if(!isset($repo[0])) {
			throw new \Exception("Unknown git repo", 404);
		}
		$this->git_init($repo[0]['repo']);
		$branch = isset($args['branch']) ? $args['branch'] : '';
		$commit = isset($args['commit']) ? $args['commit'] : '';
		$obj = isset($args['obj']) ? $args['obj'] : '';
		if(!in_array($branch, $this->qoob->git->branches)) {
			throw new \Exception("Unknown branch", 404);
		}

		$this->qoob->load('qoob\core\view\stache');

		$content = $this->qoob->stache->render(
			'nav', 
			array(
				'domain' => $this->domain,
				'code' => 'class="active"'
			),
			true
		);

		$image = $repo[0]['preview'] != '' ?
			'<img src="'.$this->domain.'/ui/img/code/'.$repo[0]['preview'].'" alt="'.$repo[0]['name'].'" />' :
			'';

		$url = $this->domain.'/code/'.$repo[0]['url'];
		$content .= $this->qoob->stache->render(
			'code-repo-header', 
			array(
				'title' => $repo[0]['name'],
				'subtitle' => $repo[0]['subtitle'],
				'image' => $image,
				'clone' => $this->domain.'/code/'.$repo[0]['repo'],
				'history' => $this->domain.'/code/'.$repo[0]['url'].'/'.$branch.'/history',
				'branches' => $this->git_branches($url, $branch),
				'commits' => $this->git_commits($url, $branch, $commit)
			),
			true
		);

		$content .= $this->qoob->stache->render(
			'code-repo-blob', 
			$this->git_blob(false, $commit, $obj, $this->domain.'/code/'.$repo[0]['url'].'/'.$branch.'/'.$commit.'/blob/'.$obj),
			true
		);

		$this->qoob->stache->render(
			'template', 
			array(
				'author' => \library::get('CONFIG.GENERAL.author'),
				'copyright' => \library::get('CONFIG.GENERAL.copyrightHTML'),
				'keywords' => \library::get('CONFIG.GENERAL.keywords'),
				'description' => \library::get('CONFIG.GENERAL.description'),
				'domain' => $this->domain,
				'title' => 'personal programming portfolio',
				'page' => 'code',
				'content' => $content,
				'year'=> date('Y'), 
			)
		);
	}
	/**
	 * raw
	 * git commit raw blob data
	 *
	 * @param array $args url arguments
	 */
	function raw($args) {
		$this->qoob->load('app\model\code_model');
		$repo = $this->qoob->code_model->get_repo(
			isset($args['repo']) ? 
			$args['repo'] : 
			''
		);
		if(!isset($repo[0])) {
			throw new \Exception("Unknown git repo", 404);
		}
		$this->git_init($repo[0]['repo']);
		$branch = isset($args['branch']) ? $args['branch'] : '';
		$commit = isset($args['commit']) ? $args['commit'] : '';
		$obj = isset($args['obj']) ? $args['obj'] : '';
		if(!in_array($branch, $this->qoob->git->branches)) {
			throw new \Exception("Unknown branch", 404);
		}

		$this->qoob->load('qoob\core\view\stache');

		$blob = $this->git_blob(true, $commit, $obj, $this->domain.'/code/'.$repo[0]['url'].'/'.$branch.'/blob/'.$obj);
		if (PHP_SAPI!='cli') {
			switch($blob['type'] ){
				case 'txt':
					header('Content-Type: text/plain; charset=utf-8');
					echo html_entity_decode($blob['blob']);
				break;
				case 'img':
					switch ($blob['ext']) {
						case 'jpg':
							header('Content-Type: image/jpeg');
						break;
						case 'jpeg':
							header('Content-Type: image/jpeg');
						break;
						case 'png':
							header('Content-Type: image/png');
						break;
						case 'gif':
							header('Content-Type: image/gif');
						break;
						case 'bmp':
							header('Content-Type: image/bmp');
						break;
						case 'ico':
							header('Content-Type: image/ico');
						break;
						case 'svg':
							header('Content-Type: image/svg+xml');
						break;
					}
					$img = imagecreatefromstring($blob['blob']);
					imagepng($img);
					imagedestroy($img);
				break;
				default:
					header('Content-Disposition: attachment; filename="'.substr(strrchr($blob['file'],'/'),1).'"');
					echo $blob['blob'];
				break;
			}
		}
		return;
	}
	
	/**
	 * export
	 * git commit export zip
	 *
	 * @param array $args url arguments
	 */
	function zip($args) {
		$this->qoob->load('app\model\code_model');
		$repo = $this->qoob->code_model->get_repo(
			isset($args['repo']) ? 
			$args['repo'] : 
			''
		);
		if(!isset($repo[0])) {
			throw new \Exception("Unknown git repo", 404);
		}
		$this->git_init($repo[0]['repo']);
		$branch = isset($args['branch']) ? $args['branch'] : '';
		$obj = isset($args['obj']) ? $args['obj'] : '';
		if(!in_array($branch, $this->qoob->git->branches)) {
			throw new \Exception("Unknown branch", 404);
		}
		$archive = $this->qoob->git->archive($repo[0]['repo'].'-'.substr($obj, 0, 7), \library::get('QOOB.root').'/repos/'.$repo[0]['repo'], $obj, 'zip');
		echo $archive;
		return;
	}	
	/**
	 * tar export
	 * git commit export tarball
	 *
	 * @param array $args url arguments
	 */
	function tar($args) {
		$this->qoob->load('app\model\code_model');
		$repo = $this->qoob->code_model->get_repo(
			isset($args['repo']) ? 
			$args['repo'] : 
			''
		);
		if(!isset($repo[0])) {
			throw new \Exception("Unknown git repo", 404);
		}
		$this->git_init($repo[0]['repo']);
		$branch = isset($args['branch']) ? $args['branch'] : '';
		$obj = isset($args['obj']) ? $args['obj'] : '';
		if(!in_array($branch, $this->qoob->git->branches)) {
			throw new \Exception("Unknown branch", 404);
		}
		$archive = $this->qoob->git->archive($repo[0]['repo'].'-'.substr($obj, 0, 7), \library::get('QOOB.root').'/repos/'.$repo[0]['repo'], $obj, 'tar');
		echo $archive;
		return;
	}	
	//___________________________________________________________________
	//                                                      git functions
	private function git_init($repo) {
		$this->qoob->load('qoob\utils\git');
		$this->qoob->git->init(\library::get('QOOB.root').'/repos/'.$repo);
	}
	private function git_branches($url, $branch) {
		$branches = '';
		foreach ($this->qoob->git->branches as $theBranch) {
			if($theBranch == $branch) {
				$branches .=  '<option value="'.$url.'/'.$theBranch.'" selected="selected">'.$theBranch.'</option>';
			} else {
				$branches .=  '<option value="'.$url.'/'.$theBranch.'">'.$theBranch.'</option>';
			}				
		}
		return $branches;
	}
	private function git_commits($url, $branch, $commit){
		$gitcommit = $this->qoob->git->getTip($branch);
		$obj = $this->qoob->git->getObject($gitcommit);
		$hist = $obj->getHistory();
		$hist = array_reverse($hist);

		$commits = '';
		foreach ($hist as $event) {
			if(\qoob\utils\sha1_hex($event->name) == $commit) {
				$commits .= '<option value="'.$url.'/'.$branch.'/'.\qoob\utils\sha1_hex($event->name).'" selected="selected">'.date('m/d/y g:ia', $event->committer->time).'</option>';
			} else {
				$commits .= '<option value="'.$url.'/'.$branch.'/'.\qoob\utils\sha1_hex($event->name).'">'.date('m/d/y g:ia', $event->committer->time).'</option>';					
			}
		}
		return $commits;
	}
	private function git_tree($repo, $branch, $commit = '', $objid = ''){
		if($commit === '') {
			$gitcommit = $this->qoob->git->getTip($branch);
			$obj = $this->qoob->git->getObject($gitcommit);
			$hist = $obj->getHistory();
			$hist = array_reverse($hist);
			$commit = \qoob\utils\sha1_hex($hist[0]->name);
		}
		if($objid === '') {
			$gitcommit = $this->qoob->git->getObject(\qoob\utils\sha1_bin($commit));
			$tree = $gitcommit->getTree();
		} else {
			$tree = $this->qoob->git->getObject(\qoob\utils\sha1_bin($objid));
		}
		$url = $this->domain.'/code/'.$repo.'/'.$branch.'/'.$commit;
		$dl = $url.'/tree/'.\qoob\utils\sha1_hex($tree->name);
		$files = '';
		foreach ($tree->nodes as $file) {
			if($file->is_dir) {
				$files .= '<li><i class="fa fa-li fa-folder"></i><a href="'.$url.'/tree/'.\qoob\utils\sha1_hex($file->object).'">'.$file->name.'</a></li>';
			}
		}
		foreach ($tree->nodes as $file) {
			if(!$file->is_dir) {
				$files .= '<li><i class="fa fa-li fa-file"></i><a href="'.$url.'/blob/'.\qoob\utils\sha1_hex($file->object).'">'.$file->name.'</a></li>';
			}
		}
		return array(
			'tree' => $files,
			'download' => $dl
		);
	}
	private function git_blob($raw, $commit, $objid, $url) {
		$blob = $this->qoob->git->getObject(\qoob\utils\sha1_bin($objid));
		$gitcommit = $this->qoob->git->getObject(\qoob\utils\sha1_bin($commit));
		$tree = $gitcommit->getTree()->listRecursive();
		$file = '';
		$ext = '';
		$type = 'unknown';
		foreach ($tree as $name => $sha) {
			if(\qoob\utils\sha1_hex($sha) == $objid) {
				$file = $name;
				$ext = substr(strrchr($name,'.'),1);
			}
		}
		if(in_array($ext, array(
			'png',
			'jpg',
			'gif',
			'bmp',
			'ico',
			'svg'
		))){
			$type = 'img';
		}
		if(in_array($ext, array(
			'txt',
			'html',
			'xml',
			'json',
			'css',
			'scss',
			'js',
			'php',
			'mxml',
			'as',
			'sql',
			'hbs',
			'handlebars',
			'log',
			'dat',
			'md'
		))){
			$type = 'txt';
		}
		if(strpos($file, '.') === 0){
			$type = 'txt';
		}
		if(
			strpos(strtolower($file), 'read_me') != false ||
			strpos(strtolower($file), 'readme') != false ||
			strpos(strtolower($file), 'read.me') != false ||
			strpos(strtolower($file), 'read-me') != false
		){
			$type = 'txt';
		}
		$data = $blob->data;
		if(!$raw) {
			if($type == 'img') {
				switch ($ext) {
					case 'jpg':
						$data = '<img src="data:image/jpeg;base64,'.base64_encode($blob->data).'" alt="'.$file.'"/>';
					break;
					case 'jpeg':
						$data = '<img src="data:image/jpeg;base64,'.base64_encode($blob->data).'" alt="'.$file.'"/>';
					break;
					case 'png':
						$data = '<img src="data:image/png;base64,'.base64_encode($blob->data).'" alt="'.$file.'"/>';
					break;
					case 'gif':
						$data = '<img src="data:image/gif;base64,'.base64_encode($blob->data).'" alt="'.$file.'"/>';
					break;
					case 'bmp':
						$data = '<img src="data:image/bmp;base64,'.base64_encode($blob->data).'" alt="'.$file.'"/>';
					break;
					case 'ico':
						$data = '<img src="data:image/bmp;base64,'.base64_encode($blob->data).'" alt="'.$file.'"/>';
					break;
					case 'svg':
						$data = $blob->data;
					break;
					default: 
						$data = '<p>This image is not correctly formatted, so cannot be displayed. sorry :(<br/>press the raw button below to download it or clone the git repo to get a copy.</p>';
					break;
				}
			} else if($type == 'txt') {
				$data = '<pre><code>'.htmlentities($blob->data).'</code></pre>';
			} else {
				$data = '<p>This data is not ascii formatted, so cannot be displayed. sorry :(<br/>press the raw button below to download it or clone the git repo to get a copy.</p>';
			}
		}
		return array(
			'blob' => $data,
			'type' => $type,
			'file' => $file,
			'ext' => $ext,
			'url' => $url
		);			
	}
}

?>