dir/mod/profile_photo.php

<?php

require_once("Photo.php");

function profile_photo_init(&$a) {

	if(! local_user()) {
		return;
	}

	profile_load($a,$a->user['nickname']);

}


function profile_photo_post(&$a) {

        if(! local_user()) {
                notice ( t('Permission denied.') . EOL );
                return;
        }

	if((x($_POST,'cropfinal')) && ($_POST['cropfinal'] == 1)) {

		// phase 2 - we have finished cropping

		if($a->argc != 2) {
			notice( t('Image uploaded but image cropping failed.') . EOL );
			return;
		}

		$image_id = $a->argv[1];

		if(substr($image_id,-2,1) == '-') {
			$scale = substr($image_id,-1,1);
			$image_id = substr($image_id,0,-2);
		}
			

		$srcX = $_POST['xstart'];
		$srcY = $_POST['ystart'];
		$srcW = $_POST['xfinal'] - $srcX;
		$srcH = $_POST['yfinal'] - $srcY;

		$r = q("SELECT * FROM `photo` WHERE `resource-id` = '%s' AND `uid` = %d AND `scale` = %d LIMIT 1",
			dbesc($image_id),
			dbesc(local_user()),
			intval($scale));

		if(count($r)) {

			$base_image = $r[0];

			$im = new Photo($base_image['data']);
			if($im->is_valid()) {
				$im->cropImage(175,$srcX,$srcY,$srcW,$srcH);

				$r = $im->store(local_user(), 0, $base_image['resource-id'],$base_image['filename'], t('Profile Photos'), 4, 1);

				if($r === false)
					notice ( sprintf(t('Image size reduction [%s] failed.'),"175") . EOL );

				$im->scaleImage(80);

				$r = $im->store(local_user(), 0, $base_image['resource-id'],$base_image['filename'], t('Profile Photos'), 5, 1);
			
				if($r === false)
					notice( sprintf(t('Image size reduction [%s] failed.'),"80") . EOL );

				$im->scaleImage(48);

				$r = $im->store(local_user(), 0, $base_image['resource-id'],$base_image['filename'], t('Profile Photos'), 6, 1);
			
				if($r === false)
					notice( sprintf(t('Image size reduction [%s] failed.'),"48") . EOL );

				// Unset the profile photo flag from any other photos I own

				$r = q("UPDATE `photo` SET `profile` = 0 WHERE `profile` = 1 AND `resource-id` != '%s' AND `uid` = %d",
					dbesc($base_image['resource-id']),
					intval(local_user())
				);

				$r = q("UPDATE `contact` SET `avatar-date` = '%s' WHERE `self` = 1 AND `uid` = %d LIMIT 1",
					dbesc(datetime_convert()),
					intval(local_user())
				);

				// Update global directory in background
				$url = $a->get_baseurl() . '/profile/' . $a->user['nickname'];
				if($url && strlen(get_config('system','directory_submit_url')))
					proc_run('php',"include/directory.php","$url");
			}
			else
				notice( t('Unable to process image') . EOL);
		}

		goaway($a->get_baseurl() . '/profiles');
		return; // NOTREACHED
	}

	$src      = $_FILES['userfile']['tmp_name'];
	$filename = basename($_FILES['userfile']['name']);
	$filesize = intval($_FILES['userfile']['size']);

	$maximagesize = get_config('system','maximagesize');

	if(($maximagesize) && ($filesize > $maximagesize)) {
		notice( sprintf(t('Image exceeds size limit of %d'), $maximagesize) . EOL);
		@unlink($src);
		return;
	}

	$imagedata = @file_get_contents($src);
	$ph = new Photo($imagedata);

	if(! $ph->is_valid()) {
		notice( t('Unable to process image.') . EOL );
		@unlink($src);
		return;
	}

	@unlink($src);
	return profile_photo_crop_ui_head($a, $ph);
	
}


if(! function_exists('profile_photo_content')) {
function profile_photo_content(&$a) {

	if(! local_user()) {
		notice( t('Permission denied.') . EOL );
		return;
	}
	
	$newuser = false;

	if($a->argc == 2 && $a->argv[1] === 'new')
		$newuser = true;

	if( $a->argv[1]=='use'){
		if ($a->argc<3){
			notice( t('Permission denied.') . EOL );
			return;
		};
			
		$resource_id = $a->argv[2];
		//die(":".local_user());
		$r=q("SELECT * FROM `photo` WHERE `uid` = %d AND `resource-id` = '%s' ORDER BY `scale` ASC",
			intval(local_user()),
			dbesc($resource_id)
			);
		if (!count($r)){
			notice( t('Permission denied.') . EOL );
			return;
		}
		// set an already uloaded photo as profile photo
		// if photo is in 'Profile Photos', change it in db
		if ($r[0]['album']== t('Profile Photos')){
			$r=q("UPDATE `photo` SET `profile`=0 WHERE `profile`=1 AND `uid`=%d",
				intval(local_user()));
			
			$r=q("UPDATE `photo` SET `profile`=1 WHERE `uid` = %d AND `resource-id` = '%s'",
				intval(local_user()),
				dbesc($resource_id)
				);
			
			$r = q("UPDATE `contact` SET `avatar-date` = '%s' WHERE `self` = 1 AND `uid` = %d LIMIT 1",
				dbesc(datetime_convert()),
				intval(local_user())
			);
			
			// Update global directory in background
			$url = $_SESSION['my_url'];
			if($url && strlen(get_config('system','directory_submit_url')))
				proc_run('php',"include/directory.php","$url");
			
			goaway($a->get_baseurl() . '/profiles');
			return; // NOTREACHED
		}
		$ph = new Photo($r[0]['data']);
		profile_photo_crop_ui_head($a, $ph);
		// go ahead as we have jus uploaded a new photo to crop
	}

	if(! x($a->config,'imagecrop')) {
	
		$tpl = get_markup_template('profile_photo.tpl');

		$o .= replace_macros($tpl,array(
			'$user' => $a->user['nickname'],
			'$lbl_upfile' => t('Upload File:'),
			'$title' => t('Upload Profile Photo'),
			'$submit' => t('Upload'),
			'$select' => sprintf('%s %s', t('or'), ($newuser) ? '<a href="' . $a->get_baseurl() . '">' . t('skip this step') . '</a>' : '<a href="'. $a->get_baseurl() . '/photos/' . $a->user['nickname'] . '">' . t('select a photo from your photo albums') . '</a>')
		));

		return $o;
	}
	else {
		$filename = $a->config['imagecrop'] . '-' . $a->config['imagecrop_resolution'] . '.jpg';
		$resolution = $a->config['imagecrop_resolution'];
		$tpl = get_markup_template("cropbody.tpl");
		$o .= replace_macros($tpl,array(
			'$filename' => $filename,
			'$resource' => $a->config['imagecrop'] . '-' . $a->config['imagecrop_resolution'],
			'$image_url' => $a->get_baseurl() . '/photo/' . $filename,
			'$title' => t('Crop Image'),
			'$desc' => t('Please adjust the image cropping for optimum viewing.'),
			'$done' => t('Done Editing')
		));
		return $o;
	}

	return; // NOTREACHED
}}


if(! function_exists('_crop_ui_head')) {
function profile_photo_crop_ui_head(&$a, $ph){
	$width = $ph->getWidth();
	$height = $ph->getHeight();

	if($width < 175 || $height < 175) {
		$ph->scaleImageUp(200);
		$width = $ph->getWidth();
		$height = $ph->getHeight();
	}

	$hash = photo_new_resource();
	

	$smallest = 0;

	$r = $ph->store(local_user(), 0 , $hash, $filename, t('Profile Photos'), 0 );	

	if($r)
		info( t('Image uploaded successfully.') . EOL );
	else
		notice( t('Image upload failed.') . EOL );

	if($width > 640 || $height > 640) {
		$ph->scaleImage(640);
		$r = $ph->store(local_user(), 0 , $hash, $filename, t('Profile Photos'), 1 );	
		
		if($r === false)
			notice( sprintf(t('Image size reduction [%s] failed.'),"640") . EOL );
		else
			$smallest = 1;
	}

	$a->config['imagecrop'] = $hash;
	$a->config['imagecrop_resolution'] = $smallest;
	$a->page['htmlhead'] .= get_markup_template("crophead.tpl");
	return;
}}