Fix issue to upload and delete solution

1 files changed, 238 insertions, 261 deletions

diff --git a/general_deletion.inc b/general_deletion.inc
index 2125732..33ac98a 100755
--- a/general_deletion.inc
+++ b/general_deletion.inc
@@ -1,13 +1,14 @@
 <?php
+
 /******************************************************************************/
 /****************************** DELETION FUNCTIONS ****************************/
 /******************************************************************************/
+
 function lab_migration_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);
     $query = db_select('lab_migration_solution');
     $query->fields('lab_migration_solution');
     $query->condition('id', $solution_id);
@@ -18,284 +19,260 @@ function lab_migration_delete_solution($solution_id)
         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_q = db_query("SELECT lme.*, lmp.id, lmp.directory_name FROM lab_migration_experiment lme JOIN lab_migration_proposal lmp WHERE lmp.id = lme.proposal_id AND lme.id = :experiment_id",array(':experiment_id' => $solution_data->experiment_id));
+    $query = db_select('lab_migration_experiment');
+    $query->fields('lab_migration_experiment');
+    $query->condition('id', $solution_data->experiment_id);
+    $experiment_q = $query->execute();
     $experiment_data = $experiment_q->fetchObject();
+    $query = db_select('lab_migration_proposal');
+    $query->fields('lab_migration_proposal');
+    $query->condition('id', $experiment_data->proposal_id);
+    $proposal_q = $query->execute();
+    $proposal_data = $proposal_q->fetchObject();
     if (!$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);
-    $solution_files_q = db_query("SELECT lmsf.*, lmp.directory_name FROM lab_migration_solution_files lmsf JOIN lab_migration_solution lms JOIN lab_migration_experiment lme JOIN lab_migration_proposal lmp WHERE lms.id = lmsf.solution_id AND lme.id = lms.experiment_id AND lmp.id = lme.proposal_id AND lmsf.id = :solution_id", array(':solution_id' => $solution_id));
-    /*$query = db_select('lab_migration_solution_files');
-    $query->fields('lab_migration_solution_files');
-    $query->condition('solution_id', $solution_id);
-    $solution_files_q = $query->execute();*/
-    while ($solution_files_data = $solution_files_q->fetchObject())
-      {
-        if (!file_exists($root_path .$solution_files_data->directory_name. '/'. $solution_files_data->filepath))
-          {
-            $status = FALSE;
-            drupal_set_message(t('Error deleting !file. File does not exists.', array(
-                '!file' => $solution_files_data->directory_name. '/' . $solution_files_data->filepath
-            )), 'error');
-            continue;
-          }
-        /* removing solution file */
-        if (!unlink($root_path . $solution_files_data->directory_name. '/'. $solution_files_data->filepath))
-          {
-            $status = FALSE;
-            drupal_set_message(t('Error deleting !file', array(
-                '!file' => $solution_files_data->directory_name. '/' . $solution_files_data->filepath
-            )), 'error');
-            /* sending email to admins */
-            $email_to = variable_get('lab_migration_emails', '');
-            $from = variable_get('lab_migration_from_email', '');
-            $bcc = "";
-            $cc = variable_get('lab_migration_cc_emails', '');
-            $param['standard']['subject'] = "[ERROR] Error deleting example file";
-            $param['standard']['body'] = "Error deleting solution files by " . $user->uid . " at " . $_SERVER['HTTP_HOST'] . $_SERVER['REQUEST_URI'] . " :
+    }
+
+  /* deleting solution files */
+  //$solution_files_q = db_query("SELECT * FROM {lab_migration_solution_files} WHERE solution_id = %d", $solution_id);
+  $query = db_select('lab_migration_solution_files');
+              $query->fields('lab_migration_solution_files');
+              $query->condition('solution_id', $solution_id);
+              $solution_files_q = $query->execute();
+  while ($solution_files_data = $solution_files_q->fetchObject())
+  {
+    //var_dump($root_path . $solution_files_data->filepath);die;
+    $ex_path = $proposal_data->directory_name . '/' . $solution_files_data->filepath;
+  $dir_path = $root_path . $ex_path;
+  //var_dump($dir_path);die;
+    if (!file_exists($dir_path))
+    {
+      $status = FALSE;
+      drupal_set_message(t('Error deleting !file. File does not exists.', array('!file' => $dir_path)), 'error');
+      continue;
+    }
+    /*if (!file_exists($root_path . $solution_files_data->pdfpath))
+    {
+      $status = FALSE;
+      drupal_set_message(t('Error deleting !file. File does not exists.', array('!file' => $solution_files_data->pdfpath)), 'error');
+      continue;
+    }*/
+
+    /* Removing PDF File*/
+    $PdfStatus="";
+    if(strlen($solution_files_data->pdfpath)>=4){
+        if (!unlink($root_path . $solution_files_data->pdfpath)){
+            drupal_set_message(t('Error deleting !file', array('!file' => $solution_files_data->pdfpath)), 'error');
+    }
+        $PdfStatus=$solution_files_data->pdfpath;
+    }else{
+        $PdfStatus="PDF not uploaded";
+    }
+
+    /* removing solution file */
+    if (!unlink($dir_path))
+    {
+
+      $status = FALSE;
+      drupal_set_message(t('Error deleting !file', array('!file' => $dir_path)), 'error');
+
+      /* sending email to admins */
+      $email_to = variable_get('lab_migration_emails', '');
+
+    $from = variable_get('lab_migration_from_email', '');
+    $bcc="";
+    $cc=variable_get('lab_migration_cc_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->directory_name. '/'. $solution_files_data->filepath . "
-	PDF path : " . $PdfStatus;
-            $param['standard']['headers'] = array(
-                'From' => $from,
-                'MIME-Version' => '1.0',
-                'Content-Type' => 'text/plain; charset=UTF-8; format=flowed; delsp=yes',
+        file id : " .  $solution_files_data->id . "
+        file path : " . $solution_files_data->filepath."
+    PDF path : " . $PdfStatus;
+    $param['standard']['headers']=array('From'=>$from,'MIME-Version'=> '1.0',
+                'Content-Type'=> 'text/plain; charset=UTF-8; format=flowed; delsp=yes',
                 'Content-Transfer-Encoding' => '8Bit',
-                'X-Mailer' => 'Drupal',
-                'Cc' => $cc,
-                'Bcc' => $bcc
-            );
-            if (!drupal_mail('lab_migration', 'standard', $email_to, language_default(), $param, $from, TRUE))
-                drupal_set_message('Error sending email message.', 'error');
-          }
-        else
-          {
-            /* deleting example files database entries */
-            db_delete('lab_migration_solution_files')->condition('id', $solution_files_data->id)->execute();
-          }
-      }
-    if (!$status)
-        return FALSE;
-    /* removing code folder */
-    $ex_path = $experiment_data->directory_name . '/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', '');
-            $from = variable_get('lab_migration_from_email', '');
-            $bcc = "";
-            $cc = variable_get('lab_migration_cc_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'];
-            $param['standard']['headers'] = array(
-                'From' => $from,
-                'MIME-Version' => '1.0',
-                'Content-Type' => 'text/plain; charset=UTF-8; format=flowed; delsp=yes',
+                'X-Mailer'=> 'Drupal','Cc' => $cc, 'Bcc' => $bcc);
+    
+      if (!drupal_mail('lab_migration', 'standard', $email_to, language_default(), $param, $from, TRUE))
+        drupal_set_message('Error sending email message.', 'error');
+    } else {
+      /* deleting example files database entries */     
+
+      db_delete('lab_migration_solution_files')
+            ->condition('id', $solution_files_data->id)
+            ->execute();
+    }
+  }
+
+  if (!$status)
+    return FALSE;
+
+  /* removing code folder */
+  $query = db_select('lab_migration_proposal');
+              $query->fields('lab_migration_proposal');
+              $query->condition('id', $experiment_data->proposal_id);
+              $proposal_q = $query->execute();
+  $proposal_data = $proposal_q->fetchObject();
+  $ex_path = $proposal_data->directory_name . '/' . $solution_files_data->filepath;
+  $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', '');
+    $from = variable_get('lab_migration_from_email', '');
+    $bcc="";
+    $cc=variable_get('lab_migration_cc_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'];
+      $param['standard']['headers']=array('From'=>$from,'MIME-Version'=> '1.0',
+                'Content-Type'=> 'text/plain; charset=UTF-8; format=flowed; delsp=yes',
                 'Content-Transfer-Encoding' => '8Bit',
-                'X-Mailer' => 'Drupal',
-                'Cc' => $cc,
-                'Bcc' => $bcc
-            );
-            if (!drupal_mail('lab_migration', 'standard', $email_to, language_default(), $param, $from, 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_delete('lab_migration_solution_dependency')->condition('solution_id', $solution_id)->execute();
-    db_delete('lab_migration_solution')->condition('id', $solution_id)->execute();
-    return $status;
+                'X-Mailer'=> 'Drupal','Cc' => $cc, 'Bcc' => $bcc);
+    
+
+      if (!drupal_mail('lab_migration', 'standard', $email_to, language_default(), $param, $from, 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_delete('lab_migration_solution_dependency')->condition('solution_id', $solution_id)->execute();
+
+  db_delete('lab_migration_solution')->condition('id', $solution_id)->execute();
+
+  return $status;
+}
+
 function lab_migration_delete_experiment($experiment_id)
+{
+  $status = TRUE;
+  $root_path = lab_migration_path();
+
+  //$experiment_q = db_query("SELECT * FROM {lab_migration_experiment} WHERE id = %d", $experiment_id);
+  $query = db_select('lab_migration_experiment');
+              $query->fields('lab_migration_experiment');
+              $query->condition('id', $experiment_id);
+              $experiment_q = $query->execute();
+  $experiment_data = $experiment_q->fetchObject();
+  if (!$experiment_data)
   {
-    $status = TRUE;
-    $root_path = lab_migration_path();
-    //$experiment_q = db_query("SELECT * FROM {lab_migration_experiment} WHERE id = %d", $experiment_id);
-    $query = db_select('lab_migration_experiment');
-    $query->fields('lab_migration_experiment');
-    $query->condition('id', $experiment_id);
-    $experiment_q = $query->execute();
-    $experiment_data = $experiment_q->fetchObject();
-    if (!$experiment_data)
-      {
-        drupal_set_message('Invalid experiment.', 'error');
-        return FALSE;
-      }
-    /* deleting solutions */
-    //$solution_q = db_query("SELECT * FROM {lab_migration_solution} WHERE experiment_id = %d", $experiment_id);  
-    $query = db_select('lab_migration_solution');
-    $query->fields('lab_migration_solution');
-    $query->condition('experiment_id', $experiment_id);
-    $solution_q = $query->execute();
-    $delete_exp_folder = FALSE;
-    while ($solution_data = $solution_q->fetchObject())
-      {
-        $delete_exp_folder = TRUE;
-        if (!lab_migration_delete_solution($solution_data->id))
-            $status = FALSE;
-      }
-    if (!$delete_exp_folder)
-      {
-        return TRUE;
-      }
-    if ($status)
-      {
-        $dir_path = $root_path . $experiment_data->directory_name . '/EXP' . $experiment_data->number;
-        if (is_dir($dir_path))
-          {
-            $res = rmdir($dir_path);
-            if (!$res)
-              {
-                drupal_set_message(t('Error deleting experiment folder !folder', array(
-                    '!folder' => $dir_path
-                )), 'error');
-                /* sending email to admins */
-                $email_to = variable_get('lab_migration_emails', '');
-                $from = variable_get('lab_migration_from_email', '');
-                $bcc = "";
-                $cc = variable_get('lab_migration_cc_emails', '');
-                $param['standard']['subject'] = "[ERROR] Error deleting experiment folder";
-                $param['standard']['body'] = "Error deleting folder " . $dir_path;
-                $param['standard']['headers'] = array(
-                    'From' => $from,
-                    'MIME-Version' => '1.0',
-                    'Content-Type' => 'text/plain; charset=UTF-8; format=flowed; delsp=yes',
-                    'Content-Transfer-Encoding' => '8Bit',
-                    'X-Mailer' => 'Drupal',
-                    'Cc' => $cc,
-                    'Bcc' => $bcc
-                );
-                if (!drupal_mail('lab_migration', 'standard', $email_to, language_default(), $param, $from, TRUE))
-                    drupal_set_message('Error sending email message.', 'error');
-                return FALSE;
-              }
-            else
-              {
-                return TRUE;
-              }
-          }
-        else
-          {
-            drupal_set_message(t('Cannot delete experiment folder. !folder does not exists.', array(
-                '!folder' => $dir_path
-            )), 'error');
-            return FALSE;
-          }
-      }
+    drupal_set_message('Invalid experiment.', 'error');
     return FALSE;
   }
-function lab_migration_delete_lab($lab_id)
+
+  /* deleting solutions */
+  //$solution_q = db_query("SELECT * FROM {lab_migration_solution} WHERE experiment_id = %d", $experiment_id);  
+  $query = db_select('lab_migration_solution');
+              $query->fields('lab_migration_solution');
+              $query->condition('experiment_id', $experiment_id);
+              $solution_q = $query->execute();
+
+  $delete_exp_folder = FALSE;
+  while ($solution_data = $solution_q->fetchObject())
   {
-    $status = TRUE;
-    $root_path = lab_migration_path();
-    //$proposal_q = db_query("SELECT * FROM {lab_migration_proposal} WHERE id = %d", $lab_id);
-    $query = db_select('lab_migration_proposal');
-    $query->fields('lab_migration_proposal');
-    $query->condition('id', $lab_id);
-    $proposal_q = $query->execute();
-    $proposal_data = $proposal_q->fetchObject();
-    if (!$proposal_data)
-      {
-        drupal_set_message('Invalid Lab.', 'error');
-        return FALSE;
-      }
-    /* delete experiments */
-    //$experiment_q = db_query("SELECT * FROM {lab_migration_experiment} WHERE proposal_id = %d", $proposal_data->id);
-    $query = db_select('lab_migration_experiment');
-    $query->fields('lab_migration_experiment');
-    $query->condition('proposal_id', $proposal_data->id);
-    $experiment_q = $query->execute();
-    while ($experiment_data = $experiment_q->fetchObject())
-      {
-        if (!lab_migration_delete_experiment($experiment_data->id))
-          {
-            $status = FALSE;
-          }
-      }
-    return $status;
+    $delete_exp_folder = TRUE;
+    if (!lab_migration_delete_solution($solution_data->id))
+      $status = FALSE;
   }
-function lab_migration_del_lab_pdf($lab_id)
+
+  if (!$delete_exp_folder)
   {
-    $root_path = lab_migration_path();
-    $dir_path = $root_path . "latex/";
-    $pdf_filename = "lab_" . $lab_id . ".pdf";
-    if (file_exists($dir_path . $pdf_filename))
-        unlink($dir_path . $pdf_filename);
+    return TRUE;
   }
-function lab_migration_delete_dependency($dependency_id)
+
+  if ($status)
   {
-    global $user;
-    $root_path = lab_migration_path();
-    $status = TRUE;
-    //$dependency_files_q = db_query("SELECT * FROM {lab_migration_dependency_files} WHERE id = %d", $dependency_id);
-    $query = db_select('lab_migration_dependency_files');
-    $query->fields('lab_migration_dependency_files');
-    $query->condition('id', $dependency_id);
-    $dependency_files_q = $query->execute();
-    $dependency_files_data = $dependency_files_q->fetchObject();
-    if (!$dependency_files_data)
-      {
-        drupal_set_message(t('Invalid dependency.'), 'error');
-        return FALSE;
-      }
-    if (!file_exists($root_path . $dependency_files_data->filepath))
-      {
-        drupal_set_message(t('Error deleting !file. File does not exists.', array(
-            '!file' => $dependency_files_data->filepath
-        )), 'error');
-        return FALSE;
-      }
-    /* removing dependency file */
-    if (!unlink($root_path . $dependency_files_data->filepath))
+    $dir_path = $root_path . $experiment_data->proposal_id . '/EXP' . $experiment_data->number;
+
+    if (is_dir($dir_path))
+    {
+      $res = rmdir($dir_path);
+      if (!$res)
       {
-        $status = FALSE;
-        drupal_set_message(t('Error deleting !file', array(
-            '!file' => $dependency_files_data->filepath
-        )), 'error');
+        drupal_set_message(t('Error deleting experiment folder !folder', array('!folder' => $dir_path)), 'error');
+  
         /* sending email to admins */
         $email_to = variable_get('lab_migration_emails', '');
-        $from = variable_get('lab_migration_from_email', '');
-        $bcc = "";
-        $cc = variable_get('lab_migration_cc_emails', '');
-        $param['standard']['subject'] = "[ERROR] Error deleting dependency file";
-        $param['standard']['body'] = "Error deleting dependency files by " . $user->uid . " at " . $_SERVER['HTTP_HOST'] . $_SERVER['REQUEST_URI'] . " :
-			dependency id : " . $dependency_id . "
-			file id : " . $dependency_files_data->id . "
-			file path : " . $dependency_files_data->filepath;
-        $param['standard']['headers'] = array(
-            'From' => $from,
-            'MIME-Version' => '1.0',
-            'Content-Type' => 'text/plain; charset=UTF-8; format=flowed; delsp=yes',
-            'Content-Transfer-Encoding' => '8Bit',
-            'X-Mailer' => 'Drupal',
-            'Cc' => $cc,
-            'Bcc' => $bcc
-        );
-        if (!drupal_mail('lab_migration', 'standard', $email_to, language_default(), $param, $from, TRUE))
-            drupal_set_message('Error sending email message.', 'error');
-      }
-    else
-      {
-        /* deleting dependency files database entries */
-        db_delete('lab_migration_dependency_files')->condition('id', $dependency_id)->execute();
+
+    $from = variable_get('lab_migration_from_email', '');
+    $bcc="";
+    $cc=variable_get('lab_migration_cc_emails', '');
+    
+
+        $param['standard']['subject'] = "[ERROR] Error deleting experiment folder";
+        $param['standard']['body'] = "Error deleting folder " . $dir_path;
+    $param['standard']['headers']=array('From'=>$from,'MIME-Version'=> '1.0',
+                'Content-Type'=> 'text/plain; charset=UTF-8; format=flowed; delsp=yes',
+                'Content-Transfer-Encoding' => '8Bit',
+                'X-Mailer'=> 'Drupal','Cc' => $cc, 'Bcc' => $bcc);
+        if (!drupal_mail('lab_migration', 'standard', $email_to, language_default(), $param,$from, TRUE))
+          drupal_set_message('Error sending email message.', 'error');
+        return FALSE;
+      } else {
+        return TRUE;
       }
-    return $status;
+    } else {
+      drupal_set_message(t('Cannot delete experiment folder. !folder does not exists.', array('!folder' => $dir_path)), 'error');
+      return FALSE;
+    }
+  }
+  return FALSE;
+}
+
+function lab_migration_delete_lab($lab_id)
+{
+  $status = TRUE;
+  $root_path = lab_migration_path();
+
+  //$proposal_q = db_query("SELECT * FROM {lab_migration_proposal} WHERE id = %d", $lab_id);
+  $query = db_select('lab_migration_proposal');
+              $query->fields('lab_migration_proposal');
+              $query->condition('id', $lab_id);
+              $proposal_q = $query->execute();
+  $proposal_data = $proposal_q->fetchObject();
+  if (!$proposal_data)
+  {
+    drupal_set_message('Invalid Lab.', 'error');
+    return FALSE;
   }
+
+  /* delete experiments */
+  //$experiment_q = db_query("SELECT * FROM {lab_migration_experiment} WHERE proposal_id = %d", $proposal_data->id);
+  $query = db_select('lab_migration_experiment');
+              $query->fields('lab_migration_experiment');
+              $query->condition('proposal_id', $proposal_data->id);
+              $experiment_q = $query->execute();
+
+
+  while ($experiment_data = $experiment_q->fetchObject())
+  {
+    if (!lab_migration_delete_experiment($experiment_data->id))
+    {
+      $status = FALSE;
+    }
+  }
+  return $status;
+}
+
+function lab_migration_del_lab_pdf($lab_id)
+{
+  $root_path = lab_migration_path();
+  $dir_path = $root_path . "latex/";
+  $pdf_filename = "lab_" . $lab_id . ".pdf";
+  if (file_exists($dir_path . $pdf_filename))
+    unlink($dir_path . $pdf_filename);
+}
+