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<?php
class sql_build extends conf_build_common {
	protected $table='builds', $primary_key=array('id'), $columns=array(
		'id' => array (
			'type' => 'CHAR',
			'length' => 6,
			'not_null' => true,
			'default' => ''
		),
		'owner' => array (
			'type' => 'INT',
			'length' => 10,
			'unsigned' => true,
			'not_null' => true,
			'default' => 0,
			'refers_to' => 'users.id'
		),
		'name' => array (
			'type' => 'VARCHAR',
			'length' => 255
		),
		'module' => array (
			'type' => 'VARCHAR',
			'length' => 255,
			'not_null' => true,
			'default' => ''
		),
		'visibility' => array (
			'type' => 'ENUM',
			'length' => '\'public\',\'private\'',
			'not_null' => true
		),
		'backend' => array (
			'type' => 'VARCHAR',
			'length' => 255
		),
		'status' => array (
			'type' => 'ENUM',
			'length' => '\'queued\',\'uploading\',\'cancel\',\'complete\',\'upload_failed\',\'canceled\',\'failed\',\'got_signal\',\'building\',\'bundling\'',
			'not_null' => true
		),
		'details' => array (
			'type' => 'TINYINT',
			'length' => 4
		),
		'build_step' => array (
			'type' => 'TINYINT',
			'length' => 3,
			'unsigned' => true
		),
		'ctime' => array (
			'type' => 'INT',
			'length' => 10,
			'unsigned' => true
		),
		'start' => array (
			'type' => 'INT',
			'length' => 10,
			'unsigned' => true
		),
		'finish' => array (
			'type' => 'INT',
			'length' => 10,
			'unsigned' => true
		)
	);
	// Returns HTML code describing this build's status (for human consumption)
	public function display() {
		global $S;
		$format='D j M Y G:i:s T';
		$perms=$this->visibility == 'public' || owner_or_admin($this->id);
		$html='<div class="build"><span class="name">'.(isset($this->name) && strlen($this->name)?htmlentities($this->name):'Unnamed Build').'</span> ';
		$links=array();
		if ($this->status == 'queued') {
			$total=query('SELECT COUNT(*) FROM `builds` WHERE `status`="queued"')->fetch(PDO::FETCH_COLUMN);
			$num=query('SELECT COUNT(*) FROM `builds` WHERE `status`="queued" AND `ctime` <= '.$this->ctime)->fetch(PDO::FETCH_COLUMN);
			$html.="<span class=\"status queued\">[queued ($num/$total)]</span>";
		} elseif ($this->status == 'uploading') {
			$html.='<span class="status successful">[uploading]</span>';
			if ($perms) $links['Build log']="build/$this->id";
		} elseif ($this->status == 'cancel') {
			$html.='<span class="status queued">[pending cancellation]</span>';
			if ($perms) $links['Build log']="build/$this->id";
		} elseif ($this->status == 'building') {
			// TODO stage x/y
			$html.='<span class="status building">[building ('.$this->build_step.'/'.$this->details.')]</span>';
			if ($perms) {
				//$links['Watch']="build/$this->id/live";
				$links['Build Log']="build/$this->id";
			}
		} elseif ($this->status == 'complete') {
			$r=query('SELECT COUNT(*) as `count`, MAX(`time`) as `time` FROM `downloads` WHERE `build`="'.$this->id.'"')->fetch(PDO::FETCH_ASSOC);
			$d=($perms && $r['count']?'<a href="'.url("build/$this->id/history").'">':'').$r['count'].' download'.($r['count'] != 1?'s':'').($r['count']?($perms?'</a>':'').'<br/><span class="time">(last at '.date($format, $r['time']).')</span>':'');
			$html.='<span class="downloads">'.$d.'</span><span class="status successful">[successful]</span>';
			$links['Download image']="build/$this->id/download";
			if ($perms) $links['Build log']="build/$this->id";
		} elseif ($this->status == 'upload_failed') {
			$html.='<span class="status failed">[upload failed]</span>';
			if ($perms) $links['Build log']="build/$this->id";
		} elseif ($this->status == 'failed') {
			$html.='<span class="status failed">[failed after step '.$this->build_step.']</span>';
			if ($perms) {
				//$links['View output of failed command']="build/$this->id/failure";
				$links['Build log']="build/$this->id";
			}
		} elseif ($this->status == 'canceled') {
			$html.='<span class="status failed">[canceled]</span>';
			if ($perms) $links['Build log']="build/$this->id";
		} elseif ($this->status == 'got_signal') {
			$html.='<span class="status failed">[failed: got signal '.$this->details.' after step '.$this->build_step.']</span>';
			if ($perms) $links['Build log']="build/$this->id";
		} else {
			$html.='<span class="status failed">[UNKNOWN STATUS: '.$this->status.']</span>';
		}
		if ($perms && ($this->status == 'upload_failed' || $this->status == 'failed' || $this->status == 'canceled' || $this->status == 'queued' || $this->status == 'complete' || $this->status == 'got_signal'))
			$links['Delete']="build/$this->id/delete";
		if ($links) {
			foreach ($links as $label => $url) {
				if ($S['request'] == $url)
					unset($links[$label]);
				else
					$links[$label]='<a href="'.url($url).'">'.htmlentities($label).'</a>';
			}
			if ($links)
				$html.='<br/><span class="links">'.implode(' &bull; ', $links).'</span>';
		}
		if (isset($this->ctime)) {
			$html.='<div class="time">Submitted for build at: <span class="time">'.date($format, $this->ctime).'</span><br/>';
			if (isset($this->start)) {
				$html.='Build started at: <span class="time">'.date($format, $this->start).'</span><br/>';
				if (isset($this->finish)) {
					$html.='Build finished at: <span class="time">'.date($format, $this->finish).'</span><br/>Total build time: <span class="time">'.display_time($this->finish-$this->start).'</span>';
				} else {
					$html.='Running for: <span class="time">'.display_time(time()-$this->start).'</span>';
				}
			} else {
				$html.='Queued for: <span class="time">'.display_time(time()-$this->ctime).'</span>';
			}
			$html.='</div>';
		}
		$html.='</div>';
		return $html;
	}
	public function queued_tasks() {
		global $S;
		static $cache;
		if (!isset($cache))
			$cache=query('SELECT COUNT(`order`) FROM `tasks` WHERE `start` IS NULL AND `build`="'.$this->id.'"')->fetch(PDO::FETCH_COLUMN);
		return $cache;
	}
	public function delete() {
		global $S;
		query('DELETE FROM `buildlogs` WHERE `build`="'.$this->id.'"');
		query('DELETE FROM `tasks` WHERE `build`="'.$this->id.'"');
		query('DELETE FROM `buildopts` WHERE `build`="'.$this->id.'"');
		query('DELETE FROM `downloads` WHERE `build`="'.$this->id.'"');
		foreach (glob(COMPLETED."/build-.$this->id.*") as $file)
			unlink($file);
		parent::delete();
	}
	public function build($workdir) {
		global $S;
		try {
			if (!is_dir($workdir))
				log_status('Create work directory '.$workdir, mkdir($workdir, 0700));
			$opts=$this->get_opts();
			$S['build_steps']=array();
			if (!is_readable(BACKEND."/modules/$this->module/build.php"))
				throw_exception("No build script for module $this->module");
			$dir=require(BACKEND."/modules/$this->module/build.php");
			switch ($this->status) {
			case 'queued':
				$this->build_step=0;
			case 'got_signal':
			case 'failed':
				$this->status='building';
				$this->details=count($S['build_steps']);
				$this->write();
			case 'building':
				$step=$this->build_step;
				break;
			case 'uploading':
			case 'upload_failed':
			case 'cancel':
			case 'bundling':
			default:
				$step=count($S['build_steps']);
			}
			while ($step < count($S['build_steps'])) {
				require(BACKEND."/modules/$this->module/{$S['build_steps'][$step]}.php");
				$step++;
				$this->build_step=$step;
				$this->write();
			}
			return $dir;
		} catch(Exception $e) {
			log_msg('Caught exception: '.$e->getMessage());
			end_internal_task(1);
			return false;
		}
	}
}
?>