Issue #28 - add oik-uploads.php to copy upload files

oik-uploads.php

@@ -0,0 +1,120 @@
+<?php // (C) Copyright Bobbing Wide 2018
+
+/**
+ * Syntax: oikwp oik-uploads.php source_dir
+ * 
+ * when run from the oik-batch folder
+ *
+ * Compares the files in source_dir with the files in the wp-content/uploads folder 
+ * ( using wp_upload_dir()? )
+ * Copying missing files
+ *
+ *
+ * 
+ * For WPMS
+ * - No support yet
+ * - subdomain install pass the url= parameter
+ * - subdirectory install we need to set url= and path= 
+
+ *
+ */
+
+oik_uploads_loaded();
+
+
+/**
+ * Copy uploaded files from the given folder
+ */ 
+function oik_uploads_loaded() {
+	$source_dir = oik_batch_query_value_from_argv( 1, null );
+
+	if ( !$source_dir ) {
+		echo "Syntax: oikwp oik-uploads.php source_dir" . PHP_EOL;
+		$source_dir = "/backups-qw/bigram.co.uk/public_html/wp-content/uploads";
+		echo "where source_dir is $source_dir" . PHP_EOL;
+		die();
+	}
+	echo "Source: $source_dir" . PHP_EOL;
+
+	$target_dir = oik_uploads_target_dir();
+	echo "Target: $target_dir" . PHP_EOL;
+
+	copy_missing_files( $source_dir, $target_dir, $source_dir ); 
+}
+
+/** 
+ * Determines the base target directory for uploads
+ * 
+ * @return string target directory e.g. /apache/htdocs/bigram/wp-content/uploads
+ */
+function oik_uploads_target_dir() { 
+	$uploads = wp_get_upload_dir();
+	$target_dir = bw_array_get( $uploads, "basedir", null );
+	return $target_dir;
+
+}
+
+/**
+ * Copies missing files from source dir to target_dir
+ *
+ * @param string $source_dir fully qualified source directory
+ * @param string $target_dir target directory base
+ * @param string $base source directory base
+ */
+function copy_missing_files( $source_dir, $target_dir, $base) {
+	$files = glob( $source_dir .'/*' );
+	foreach ( $files as $file ) {
+		if ( is_dir( $file ) ) {
+			copy_missing_files( $file, $target_dir, $base );
+		} else {
+			copy_missing_file( $file, $target_dir, $base );
+		}
+	}
+}
+
+
+/** 
+ * Copies a missing file
+ * 
+ * Creates the target directory if required. 
+ * 
+ * @param string $file fully qualified source file
+ * @param string $target_dir target directory base
+ * @param string $base source directory base
+ */
+function copy_missing_file( $file, $target_dir, $base ) {
+	//echo "copying missing file?" . $file;
+	$target_file = str_replace( $base, $target_dir, $file );
+	if ( !file_exists( $target_file ) ) {
+		echo "Target: $target_file" . PHP_EOL;
+		wp_mkdir_p( dirname( $target_file ) );
+		copy( $file, $target_file );
+	} else {
+		copy_different_files( $file, $target_file );
+	}
+}
+
+/**
+ * Copy different files - maybe?
+ * 
+ * Files in the master may be different from the local version for a number of reasons
+ * e.g. 
+ * - Images may have been rotated.
+ * - Case sensitivity related issues in a Windows system
+ * - Files may not be kosher 
+ *
+ * @param string $source_file 
+ * @param string $target_file
+ */
+function copy_different_files( $source_file, $target_file ) {
+	$source_mtime = filemtime( $source_file );
+	$target_mtime = filemtime( $target_file );
+	if ( $source_mtime > $target_mtime ) {
+		echo "Files different. Need investigation" . PHP_EOL;
+		echo "$source_file $source_mtime" . PHP_EOL;
+		echo "$target_file $target_mtime" . PHP_EOL;
+		//copy( $source_file,$target_file );
+		//gob();
+	}
+}
+