formated the code

1 files changed, 181 insertions, 186 deletions

diff --git a/latex.inc b/latex.inc
index 18d641f..553e2d7 100755
--- a/latex.inc
+++ b/latex.inc
@@ -1,64 +1,56 @@
 <?php
-
 function textbook_companion_download_book()
 {
-  $preference_id = arg(2);
-// drupal_set_message('This feature is currently unavailabe. We will resumes it shorty.','error');
-//drupal_goto('textbook_run/'. $preference_id);
-
-//exit;
-  _latex_copy_script_file();
-  $full_book = arg(3);
-  if ($full_book == "1")
-  	_latex_generate_files($preference_id, TRUE);
-  else
-  	_latex_generate_files($preference_id, FALSE);
+	$preference_id = arg(2);
+	// drupal_set_message('This feature is currently unavailabe. We will resumes it shorty.','error');
+	//drupal_goto('textbook_run/'. $preference_id);
+	//exit;
+	_latex_copy_script_file();
+	$full_book = arg(3);
+	if ($full_book == "1")
+		_latex_generate_files($preference_id, TRUE);
+	else
+		_latex_generate_files($preference_id, FALSE);
 }
-
 function _latex_generate_files($preference_id, $full_book = FALSE)
 {
-  $root_path = textbook_companion_path();
-  $dir_path = $root_path . "latex/";
-
-  $book_filedata = "";
-  $contributor_filedata = "";
-  $latex_filedata = "";
-  $latex_dep_filedata = "";
-
-  $depedency_list = array();
-
-  $eol = "\n";
-  $sep = "#";
-
-  $preference_q = db_query("SELECT * FROM {textbook_companion_preference} WHERE id = :id", array(':id' => $preference_id));
-  $preference_data = $preference_q->fetchObject();
-  if (!$preference_data)
-  {
-    drupal_set_message('Invalid book specified.', 'error');
-    drupal_goto('');
-  }
-  if ($preference_data->approval_status == 0)
-  {
-    drupal_set_message('Book proposal is still in pending review.', 'error');
-    drupal_goto('');
-  }
-  $book_filedata = $preference_data->book . $sep . $preference_data->author . $sep . $preference_data->isbn . $sep . $preference_data->publisher . $sep . $preference_data->edition . $sep . $preference_data->year . $eol;
-
-  /* regenerate book if full book selected */
-  if ($full_book)
-  	del_book_pdf($preference_data->id);
-
-  /* check if book already generated */
-//var_dump(file_exists($dir_path . "book_" . $preference_data->id . ".pdf"));die;
-
-  if (file_exists($dir_path . "book_" . $preference_data->id . ".pdf"))
-  {
+	$root_path = textbook_companion_path();
+	$dir_path = $root_path . "latex/";
+	$book_filedata = "";
+	$contributor_filedata = "";
+	$latex_filedata = "";
+	$latex_dep_filedata = "";
+	$depedency_list = array();
+	$eol = "\n";
+	$sep = "#";
+	$preference_q = db_query("SELECT * FROM {textbook_companion_preference} WHERE id = :id", array(
+		':id' => $preference_id
+	));
+	$preference_data = $preference_q->fetchObject();
+	if (!$preference_data)
+	{
+		drupal_set_message('Invalid book specified.', 'error');
+		drupal_goto('');
+	} //!$preference_data
+	if ($preference_data->approval_status == 0)
+	{
+		drupal_set_message('Book proposal is still in pending review.', 'error');
+		drupal_goto('');
+	} //$preference_data->approval_status == 0
+	$book_filedata = $preference_data->book . $sep . $preference_data->author . $sep . $preference_data->isbn . $sep . $preference_data->publisher . $sep . $preference_data->edition . $sep . $preference_data->year . $eol;
+	/* regenerate book if full book selected */
+	if ($full_book)
+		del_book_pdf($preference_data->id);
+	/* check if book already generated */
+	//var_dump(file_exists($dir_path . "book_" . $preference_data->id . ".pdf"));die;
+	if (file_exists($dir_path . "book_" . $preference_data->id . ".pdf"))
+	{
 		/* download zip file */
-                ob_clean();
+		ob_clean();
 		header("Pragma: public");
 		header("Expires: 0");
 		header("Cache-Control: must-revalidate, post-check=0, pre-check=0");
-		header("Cache-Control: public"); 
+		header("Cache-Control: public");
 		header("Content-Description: File Transfer");
 		header('Content-Type: application/pdf');
 		header('Content-disposition: attachment; filename="' . $preference_data->book . '_' . $preference_data->author . '.pdf"');
@@ -69,156 +61,160 @@ function _latex_generate_files($preference_id, $full_book = FALSE)
 		//ob_end_flush();
 		//ob_clean();
 		//flush();
-
 		readfile($dir_path . "book_" . $preference_data->id . ".pdf");
 		return;
-  }
-
-  $proposal_q = db_query("SELECT * FROM {textbook_companion_proposal} WHERE id = :id", array(':id' => $preference_data->proposal_id));
-  $proposal_data = $proposal_q->fetchObject();
-  if (!$proposal_data)
-  {
-    drupal_set_message('Could not fetch contributors information for the book specified.', 'error');
-  }
-  $contributor_filedata .= $proposal_data->full_name . $sep . $proposal_data->course . $sep . $proposal_data->branch . $sep . $proposal_data->university . $sep . $proposal_data->faculty . $sep . $proposal_data->reviewer . $eol;
-
-  $chapter_q = db_query("SELECT * FROM {textbook_companion_chapter} WHERE preference_id = :id ORDER BY number DESC", array(':id' => $preference_data->id));
-  while ($chapter_data = $chapter_q->fetchObject())
-  {
-  	if ($full_book)
-  		$example_q = db_query("SELECT * FROM {textbook_companion_example} WHERE chapter_id = :id ORDER BY number DESC", array(':id' => $chapter_data->id));
-  	else
-    	$example_q = db_query("SELECT * FROM {textbook_companion_example} WHERE chapter_id = :id AND approval_status = 1 ORDER BY number DESC", array(':id' => $chapter_data->id));
-    while ($example_data = $example_q->fetchObject())
-    {
-      $example_files_q = db_query("SELECT * FROM {textbook_companion_example_files} WHERE example_id = :id", array(':id' => $example_data->id));
-      while ($example_files_data = $example_files_q->fetchObject())
-      {
-        $latex_filedata .= $chapter_data->number . $sep;
-        $latex_filedata .= $chapter_data->name . $sep;
-        $latex_filedata .= $example_data->number . $sep;
-        $latex_filedata .= $example_data->caption . $sep;
-        $latex_filedata .= $example_files_data->filename . $sep;
-        $latex_filedata .= $example_files_data->filepath . $sep;
-        $latex_filedata .= $example_files_data->filetype . $sep;
-        $latex_filedata .= $sep;
-        $latex_filedata .= $example_files_data->id;
-        $latex_filedata .= $eol;
-      }
-      $dependency_files_q = db_query("SELECT * FROM {textbook_companion_example_dependency} WHERE example_id = :id",array(':id' => $example_data->id));
-      while ($dependency_files_data = $dependency_files_q->fetchObject())
-      {
-        $dependency_q = db_query("SELECT * FROM {textbook_companion_dependency_files} WHERE id = :id LIMIT 1", array(':id' => $dependency_files_data->dependency_id));
-        if ($dependency_data = $dependency_q->fetchObject())
-        {
-          $latex_filedata .= $chapter_data->number . $sep;
-          $latex_filedata .= $chapter_data->name . $sep;
-          $latex_filedata .= $example_data->number . $sep;
-          $latex_filedata .= $example_data->caption . $sep;
-          $latex_filedata .= $dependency_data->filename . $sep;
-          $latex_filedata .= $dependency_data->filepath . $sep;
-          $latex_filedata .= 'D' . $sep;
-          $latex_filedata .= $dependency_data->caption . $sep;
-          $latex_filedata .= $dependency_data->id;
-          $latex_filedata .= $eol;
-
-          $depedency_list[$dependency_data->id] = "D";
-        }
-      }
-    }
-  }
-
-  foreach ($depedency_list as $row => $data) {
-    $dependency_q = db_query("SELECT * FROM {textbook_companion_dependency_files} WHERE id = :id LIMIT 1", array(':id' =>$row));
-    if ($dependency_data = $dependency_q->fetchObject())
-    {
-      $latex_dep_filedata .= $dependency_data->filename . $sep;
-      $latex_dep_filedata .= $dependency_data->filepath . $sep;
-      $latex_dep_filedata .= $dependency_data->caption . $sep;
-      $latex_dep_filedata .= $dependency_data->id;
-      $latex_dep_filedata .= $eol;
-    }
-  }
-
-  /**************************** WRITE TO FILES ********************************/
-  $download_filename = $preference_data->book . "_" . $preference_data->author;
-  $book_filename = "tmp_" . $preference_data->id . "_book.txt";
-  $contributor_filename = "tmp_" . $preference_data->id . "_contributor.txt";
-  $latex_filename = "tmp_" . $preference_data->id . "_data.txt";
-  $latex_dep_filename = "tmp_" . $preference_data->id . "_dep_data.txt";
-  $pdf_filename = "book_" . $preference_data->id . ".pdf";
-
-  // $book_filedata = str_replace("&", "\&", $book_filedata);
-  $fb = fopen($dir_path . $book_filename, 'w');
-  fwrite($fb, $book_filedata);
-  fclose($fb);
-
-  // $contributor_filedata = str_replace("&", "\&", $contributor_filedata);
-  $fc = fopen($dir_path . $contributor_filename, 'w');
-  fwrite($fc, $contributor_filedata);
-  fclose($fc);
-
-  $fl = fopen($dir_path . $latex_filename, 'w');
-  fwrite($fl, $latex_filedata);
-  fclose($fl);
-
-  $fd = fopen($dir_path . $latex_dep_filename, 'w');
-  fwrite($fd, $latex_dep_filedata);
-  fclose($fd);
-//var_dump($dir_path . "book_" . $preference_data->id . ".pdf");die;
-
-  if (_latex_run_script($book_filename, $contributor_filename, $latex_filename, $latex_dep_filename, $pdf_filename))
-  {
+	} //file_exists($dir_path . "book_" . $preference_data->id . ".pdf")
+	$proposal_q = db_query("SELECT * FROM {textbook_companion_proposal} WHERE id = :id", array(
+		':id' => $preference_data->proposal_id
+	));
+	$proposal_data = $proposal_q->fetchObject();
+	if (!$proposal_data)
+	{
+		drupal_set_message('Could not fetch contributors information for the book specified.', 'error');
+	} //!$proposal_data
+	$contributor_filedata .= $proposal_data->full_name . $sep . $proposal_data->course . $sep . $proposal_data->branch . $sep . $proposal_data->university . $sep . $proposal_data->faculty . $sep . $proposal_data->reviewer . $eol;
+	$chapter_q = db_query("SELECT * FROM {textbook_companion_chapter} WHERE preference_id = :id ORDER BY number DESC", array(
+		':id' => $preference_data->id
+	));
+	while ($chapter_data = $chapter_q->fetchObject())
+	{
+		if ($full_book)
+			$example_q = db_query("SELECT * FROM {textbook_companion_example} WHERE chapter_id = :id ORDER BY number DESC", array(
+				':id' => $chapter_data->id
+			));
+		else
+			$example_q = db_query("SELECT * FROM {textbook_companion_example} WHERE chapter_id = :id AND approval_status = 1 ORDER BY number DESC", array(
+				':id' => $chapter_data->id
+			));
+		while ($example_data = $example_q->fetchObject())
+		{
+			$example_files_q = db_query("SELECT * FROM {textbook_companion_example_files} WHERE example_id = :id", array(
+				':id' => $example_data->id
+			));
+			while ($example_files_data = $example_files_q->fetchObject())
+			{
+				$latex_filedata .= $chapter_data->number . $sep;
+				$latex_filedata .= $chapter_data->name . $sep;
+				$latex_filedata .= $example_data->number . $sep;
+				$latex_filedata .= $example_data->caption . $sep;
+				$latex_filedata .= $example_files_data->filename . $sep;
+				$latex_filedata .= $example_files_data->filepath . $sep;
+				$latex_filedata .= $example_files_data->filetype . $sep;
+				$latex_filedata .= $sep;
+				$latex_filedata .= $example_files_data->id;
+				$latex_filedata .= $eol;
+			} //$example_files_data = $example_files_q->fetchObject()
+			$dependency_files_q = db_query("SELECT * FROM {textbook_companion_example_dependency} WHERE example_id = :id", array(
+				':id' => $example_data->id
+			));
+			while ($dependency_files_data = $dependency_files_q->fetchObject())
+			{
+				$dependency_q = db_query("SELECT * FROM {textbook_companion_dependency_files} WHERE id = :id LIMIT 1", array(
+					':id' => $dependency_files_data->dependency_id
+				));
+				if ($dependency_data = $dependency_q->fetchObject())
+				{
+					$latex_filedata .= $chapter_data->number . $sep;
+					$latex_filedata .= $chapter_data->name . $sep;
+					$latex_filedata .= $example_data->number . $sep;
+					$latex_filedata .= $example_data->caption . $sep;
+					$latex_filedata .= $dependency_data->filename . $sep;
+					$latex_filedata .= $dependency_data->filepath . $sep;
+					$latex_filedata .= 'D' . $sep;
+					$latex_filedata .= $dependency_data->caption . $sep;
+					$latex_filedata .= $dependency_data->id;
+					$latex_filedata .= $eol;
+					$depedency_list[$dependency_data->id] = "D";
+				} //$dependency_data = $dependency_q->fetchObject()
+			} //$dependency_files_data = $dependency_files_q->fetchObject()
+		} //$example_data = $example_q->fetchObject()
+	} //$chapter_data = $chapter_q->fetchObject()
+	foreach ($depedency_list as $row => $data)
+	{
+		$dependency_q = db_query("SELECT * FROM {textbook_companion_dependency_files} WHERE id = :id LIMIT 1", array(
+			':id' => $row
+		));
+		if ($dependency_data = $dependency_q->fetchObject())
+		{
+			$latex_dep_filedata .= $dependency_data->filename . $sep;
+			$latex_dep_filedata .= $dependency_data->filepath . $sep;
+			$latex_dep_filedata .= $dependency_data->caption . $sep;
+			$latex_dep_filedata .= $dependency_data->id;
+			$latex_dep_filedata .= $eol;
+		} //$dependency_data = $dependency_q->fetchObject()
+	} //$depedency_list as $row => $data
+	/**************************** WRITE TO FILES ********************************/
+	$download_filename = $preference_data->book . "_" . $preference_data->author;
+	$book_filename = "tmp_" . $preference_data->id . "_book.txt";
+	$contributor_filename = "tmp_" . $preference_data->id . "_contributor.txt";
+	$latex_filename = "tmp_" . $preference_data->id . "_data.txt";
+	$latex_dep_filename = "tmp_" . $preference_data->id . "_dep_data.txt";
+	$pdf_filename = "book_" . $preference_data->id . ".pdf";
+	// $book_filedata = str_replace("&", "\&", $book_filedata);
+	$fb = fopen($dir_path . $book_filename, 'w');
+	fwrite($fb, $book_filedata);
+	fclose($fb);
+	// $contributor_filedata = str_replace("&", "\&", $contributor_filedata);
+	$fc = fopen($dir_path . $contributor_filename, 'w');
+	fwrite($fc, $contributor_filedata);
+	fclose($fc);
+	$fl = fopen($dir_path . $latex_filename, 'w');
+	fwrite($fl, $latex_filedata);
+	fclose($fl);
+	$fd = fopen($dir_path . $latex_dep_filename, 'w');
+	fwrite($fd, $latex_dep_filedata);
+	fclose($fd);
+	//var_dump($dir_path . "book_" . $preference_data->id . ".pdf");die;
+	if (_latex_run_script($book_filename, $contributor_filename, $latex_filename, $latex_dep_filename, $pdf_filename))
+	{
 		/* download zip file */
 		header('Content-Type: application/pdf');
 		header('Content-disposition: attachment; filename="' . $preference_data->book . '_' . $preference_data->author . '.pdf"');
 		header('Content-Length: ' . filesize($dir_path . $pdf_filename));
 		header("Content-Transfer-Encoding: binary");
-                header('Expires: 0');
-                header('Pragma: no-cache');
-                       
-
-	       @readfile($dir_path . $pdf_filename);
-                ob_end_flush();
-                ob_clean();
-                flush();
-	} else {
+		header('Expires: 0');
+		header('Pragma: no-cache');
+		@readfile($dir_path . $pdf_filename);
+		ob_end_flush();
+		ob_clean();
+		flush();
+	} //_latex_run_script($book_filename, $contributor_filename, $latex_filename, $latex_dep_filename, $pdf_filename)
+	else
+	{
 		drupal_set_message("Error occurred when generating the PDF version of the Book.", 'error');
 	}
-
-  /*********************** DELETING TEMPORARY FILES ***************************/
-  /* regenerate book if full book selected */
-  if ($full_book)
-  	del_book_pdf($preference_data->id);
+	/*********************** DELETING TEMPORARY FILES ***************************/
+	/* regenerate book if full book selected */
+	if ($full_book)
+		del_book_pdf($preference_data->id);
 }
-
 function _latex_copy_script_file()
 {
-  exec("cp ./" . drupal_get_path('module', 'textbook_companion') . "/latex/* ./uploads/latex");
-  exec("chmod u+x ./uploads/latex/*.sh");
+	exec("cp ./" . drupal_get_path('module', 'textbook_companion') . "/latex/* ./uploads/latex");
+	exec("chmod u+x ./uploads/latex/*.sh");
 }
-
 function _latex_run_script($book_filename, $contributor_filename, $latex_filename, $latex_dep_filename, $pdf_filename)
 {
-  $root_path = textbook_companion_path();
-  $ret = 0;
-
-  chdir("uploads");
-  chdir("latex");
-//var_dump($book_filename . " " . $contributor_filename . " " . $latex_filename . " " . $latex_dep_filename);die;
-  $sh_command = "./pdf_creator.sh " . $book_filename . " " . $contributor_filename . " " . $latex_filename . " " . $latex_dep_filename . " " . $pdf_filename;
-  exec($sh_command);
-// var_dump(exec($sh_command));die; 
-//exec("mv TEX_final.pdf " , $pdf_filename);
-  // rename('TEX_final.pdf', $pdf_filename);
-//var_dump($pdf_filename);die;
-  if ($ret == 0){
-    return TRUE;
- } else{
-    return FALSE;
-}
+	$root_path = textbook_companion_path();
+	$ret = 0;
+	chdir("uploads");
+	chdir("latex");
+	//var_dump($book_filename . " " . $contributor_filename . " " . $latex_filename . " " . $latex_dep_filename);die;
+	$sh_command = "./pdf_creator.sh " . $book_filename . " " . $contributor_filename . " " . $latex_filename . " " . $latex_dep_filename . " " . $pdf_filename;
+	exec($sh_command);
+	// var_dump(exec($sh_command));die; 
+	//exec("mv TEX_final.pdf " , $pdf_filename);
+	// rename('TEX_final.pdf', $pdf_filename);
+	//var_dump($pdf_filename);die;
+	if ($ret == 0)
+	{
+		return TRUE;
+	} //$ret == 0
+	else
+	{
+		return FALSE;
+	}
 }
-
 function textbook_companion_delete_book()
 {
 	$book_id = arg(2);
@@ -228,4 +224,3 @@ function textbook_companion_delete_book()
 	return;
 }
 
-