adds code upload and deletion

Signed-off-by: Prashant P. Shah <pshah.mumbai@gmail.com>

1 files changed, 92 insertions, 0 deletions

diff --git a/general_deletion.inc b/general_deletion.inc
new file mode 100644
index 0000000..dc06a7a
--- /dev/null
+++ b/general_deletion.inc
@@ -0,0 +1,92 @@
+<?php
+
+/******************************************************************************/
+/****************************** DELETION FUNCTIONS ****************************/
+/******************************************************************************/
+
+function delete_solution($solution_id)
+{
+  global $user;
+  $root_path = lab_migration_path();
+  $status = TRUE;
+
+  $solution_q = db_query("SELECT * FROM {lab_migration_solution} WHERE id = %d", $solution_id);
+  $solution_data = db_fetch_object($solution_q);
+  if (!$solution_data)
+  {
+    drupal_set_message(t('Invalid solution.'), 'error');
+    return FALSE;
+  }
+
+  $experiment_q = db_query("SELECT * FROM {lab_migration_experiment} WHERE id = %d", $solution_data->experiment_id);
+  $experiment_data = db_fetch_object($experiment_q);
+  if (!$experiment_data)
+  {
+    drupal_set_message(t('Invalid experiment.'), 'error');
+    return FALSE;
+  }
+
+  /* deleting solution files */
+  $solution_files_q = db_query("SELECT * FROM {lab_migration_solution_files} WHERE solution_id = %d", $solution_id);
+  while ($solution_files_data = db_fetch_object($solution_files_q))
+  {
+    if (!file_exists($root_path . $solution_files_data->filepath))
+    {
+      $status = FALSE;
+      drupal_set_message(t('Error deleting !file. File does not exists.', array('!file' => $solution_files_data->filepath)), 'error');
+      continue;
+    }
+
+    /* removing solution file */
+    if (!unlink($root_path . $solution_files_data->filepath))
+    {
+      $status = FALSE;
+      drupal_set_message(t('Error deleting !file', array('!file' => $solution_files_data->filepath)), 'error');
+
+      /* sending email to admins */
+      $email_to = variable_get('lab_migration_emails', '');
+      $param['standard']['subject'] = "[ERROR] Error deleting example file";
+      $param['standard']['body'] = "Error deleting solution files by " . $user->uid . " at " . $_SERVER['HTTP_HOST'] . $_SERVER['REQUEST_URI'] . " :
+        solution id : " . $solution_id . "
+        file id : " .  $solution_files_data->id . "
+        file path : " . $solution_files_data->filepath;
+      if (!drupal_mail('lab_migration', 'standard', $email_to, language_default(), $param, variable_get('lab_migration_from_email', NULL), TRUE))
+        drupal_set_message('Error sending email message.', 'error');
+    } else {
+      /* deleting example files database entries */
+      db_query("DELETE FROM {lab_migration_solution_files} WHERE id = %d", $solution_files_data->id);
+    }
+  }
+
+  if (!$status)
+    return FALSE;
+
+  /* removing code folder */
+  $ex_path = $experiment_data->proposal_id . '/EXP' . $experiment_data->number . '/CODE' . $solution_data->code_number;
+  $dir_path = $root_path . $ex_path;
+  if (is_dir($dir_path))
+  {
+    if (!rmdir($dir_path))
+    {
+      drupal_set_message(t('Error deleting folder !folder', array('!folder' => $dir_path)), 'error');
+
+      /* sending email to admins */
+      $email_to = variable_get('lab_migration_emails', '');
+      $param['standard']['subject'] = "[ERROR] Error deleting folder";
+      $param['standard']['body'] = "Error deleting folder " . $dir_path . " by " . $user->uid . " at " . $_SERVER['HTTP_HOST'] . $_SERVER['REQUEST_URI'];
+      if (!drupal_mail('lab_migration', 'standard', $email_to, language_default(), $param, variable_get('lab_migration_from_email', NULL), TRUE))
+        drupal_set_message('Error sending email message.', 'error');
+      return FALSE;
+    }
+  } else {
+    drupal_set_message(t('Cannot delete solution folder. !folder does not exists.', array('!folder' => $dir_path)), 'error');
+    return FALSE;
+  }
+
+  /* deleting solution dependency and solution database entries */
+  db_query("DELETE FROM {lab_migration_solution_dependency} WHERE solution_id = %d", $solution_id);
+  db_query("DELETE FROM {lab_migration_solution} WHERE id = %d", $solution_id);
+
+  return $status;
+}
+