<?php

// take a bunch of PDF files from one folder, parse their filenames, create folders based
// on the parsed information and finally pass the files through pdfjam to crop them,
// sending new files to the appropriate previously created folders

// PDF source filenames are always in the format "YEAR-MM-DD Some Text.pdf"  example: "2012-08-01 Recent Scan.pdf"

// 2 unix paths are passed in as arguments

putenv("TZ=America/Montreal"); // change time zone to Eastern

// trim the bogus first parameter - automator seems to pass a "-" as a parameter preceeding the actual params
array_shift ($argv);

// base path to the folders we'll later create and put files in
$baseFolder = $argv[0];

// source path to the PDF files to be manipulated
$pdfTempFolder = $argv[1];
	
$dirHandle = opendir($pdfTempFolder);
	
// read all (matching) filenames from the pdftempfolder
while( ($fileName = readdir($dirHandle)) !== false ) {

	// (only build list of PDF files starting with "2"
	if( (substr($fileName, strrpos($fileName, '.') + 1) == "pdf") && (substr($fileName,0,1) == "2" ) ) { 
		$pdfFiles[] = $fileName;
	}
}

if ($pdfFiles) {  // only try the loop if there were files listed

	// loop through all the files ($currentFile) and move them to their new folder with new name	 
	foreach ($pdfFiles as $currentFile) {

		// grab the date from the begining of the filename so we can figure out the destination path
		$currentShipDate = substr ($currentFile, 0, strpos ($currentFile, " ") );

		// create the new filename from the rest of the filename
		$cleanFileName = substr ($currentFile, strpos ($currentFile, " ") +1);

		$yearFolder = date("Y", strtotime($currentShipDate) );  // 4-digit year, eg: "2012"
		$dayFolder = date("M d", strtotime($currentShipDate) ); // 3 char month & 2 digit day, eg: "Aug 01"

		// create new folders if they don't already exist
		if (!is_dir("$baseFolder/$yearFolder"))
			mkdir("$baseFolder/$yearFolder"); 

		if (!is_dir("$baseFolder/$yearFolder/$dayFolder"))
			mkdir("$baseFolder/$yearFolder/$dayFolder"); 

		shell_exec ("pdfjam '$pdfTempFolder/$currentFile' --trim '0in 5.5in 0in 0in' --clip true 
--papersize '{8.5in,5.5in}' --outfile '$baseFolder/$yearFolder/$dayFolder/$cleanFileName'");

		echo "$baseFolder/$yearFolder/$dayFolder/$cleanFileName"."\n";
	}		
}		


?>