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-rwxr-xr-xlatex.inc394
1 files changed, 201 insertions, 193 deletions
diff --git a/latex.inc b/latex.inc
index 18d641f..942989d 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"))
- {
- /* download zip file */
- ob_clean();
+ $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 PDF file */
+ 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 . '_' . $preference_data->author . '.pdf"');
@@ -69,156 +61,174 @@ function _latex_generate_files($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))
- {
- /* 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 . $pdf_filename);
- ob_end_flush();
- ob_clean();
- flush();
- } else {
+ } //file_exists($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, $pdf_filename))
+ {
+ /* download PDF file */
+ if (filesize($dir_path . $pdf_filename) == TRUE)
+ {
+ ob_clean();
+ header("Pragma: public");
+ header("Expires: 0");
+ header("Cache-Control: must-revalidate, post-check=0, pre-check=0");
+ header("Cache-Control: public");
+ header("Content-Description: File Transfer");
+ header('Content-Type: application/pdf');
+ header('Content-disposition: attachment; filename="' . $preference_data->book . '_' . $preference_data->author . '.pdf"');
+ header('Content-Length: ' . filesize($dir_path . $pdf_filename));
+ header("Content-Transfer-Encoding: binary");
+ header('Expires: 0');
+ header('Pragma: no-cache');
+ @readfile($dir_path . $pdf_filename);
+ ob_end_flush();
+ ob_clean();
+ flush();
+ } //filesize($dir_path . $pdf_filename) == TRUE
+ else
+ {
+ drupal_set_message("Error occurred when generating the PDF version of the Book.", 'error');
+ drupal_goto('textbook_run/' . $preference_data->id);
+ }
+ } //_latex_run_script($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);
@@ -227,5 +237,3 @@ function textbook_companion_delete_book()
drupal_goto('code_approval/bulk');
return;
}
-
-
generated by cgit (git 2.34.1) at 2025-03-12 19:59:02 +0000