Add proposal form and case directory submission forms

1 files changed, 682 insertions, 0 deletions

diff --git a/upload_code.inc b/upload_code.inc
new file mode 100644
index 0000000..49c2786
--- /dev/null
+++ b/upload_code.inc
@@ -0,0 +1,682 @@
+<?php
+// $Id$
+function scilab_case_study_abstract()
+{
+    global $user;
+    $return_html = "";
+    $proposal_data = scilab_case_study_get_proposal();
+    if (!$proposal_data) {
+        drupal_goto('');
+        return;
+    } //!$proposal_data
+    //$return_html .= l('Upload abstract', 'case-study-project/abstract-code/upload') . '<br />';
+    /* get experiment list */
+    $query = db_select('case_study_submitted_abstracts');
+    $query->fields('case_study_submitted_abstracts');
+    $query->condition('proposal_id', $proposal_data->id);
+    $abstracts_q = $query->execute()->fetchObject();
+    $query_pro = db_select('case_study_proposal');
+    $query_pro->fields('case_study_proposal');
+    $query_pro->condition('id', $proposal_data->id);
+    $abstracts_pro = $query_pro->execute()->fetchObject();
+    $query_pdf = db_select('case_study_submitted_abstracts_file');
+    $query_pdf->fields('case_study_submitted_abstracts_file');
+    $query_pdf->condition('proposal_id', $proposal_data->id);
+    $query_pdf->condition('filetype', 'A');
+    $abstracts_pdf = $query_pdf->execute()->fetchObject();
+    if ($abstracts_pdf == true) {
+        if ($abstracts_pdf->filename != "NULL" || $abstracts_pdf->filename != "") {
+            $abstract_filename = $abstracts_pdf->filename;
+            //$abstract_filename = l($abstracts_pdf->filename, 'case-study-project/download/project-file/' . $proposal_data->id);
+        } //$abstracts_pdf->filename != "NULL" || $abstracts_pdf->filename != ""
+        else {
+            $abstract_filename = "File not uploaded";
+        }
+    } //$abstracts_pdf == TRUE
+    else {
+        $abstract_filename = "File not uploaded";
+    }
+    $query_process = db_select('case_study_submitted_abstracts_file');
+    $query_process->fields('case_study_submitted_abstracts_file');
+    $query_process->condition('proposal_id', $proposal_data->id);
+    $query_process->condition('filetype', 'S');
+    $abstracts_query_process = $query_process->execute()->fetchObject();
+    if ($abstracts_query_process == true) {
+        if ($abstracts_query_process->filename != "NULL" || $abstracts_query_process->filename != "") {
+            $abstracts_query_process_filename = $abstracts_query_process->filename;
+            //$abstracts_query_process_filename = l($abstracts_query_process->filename, 'case-study-project/download/project-file/' . $proposal_data->id);
+        } //$abstracts_query_process->filename != "NULL" || $abstracts_query_process->filename != ""
+        else {
+            $abstracts_query_process_filename = "File not uploaded";
+        }
+        if ($abstracts_q->is_submitted == '') {
+            $url = l('Upload Case Directory', 'case-study-project/abstract-code/upload');
+        } //$abstracts_q->is_submitted == ''
+        else if ($abstracts_q->is_submitted == 1) {
+            $url = "";
+        } //$abstracts_q->is_submitted == 1
+        else if ($abstracts_q->is_submitted == 0) {
+            $url = l('Edit', 'case-study-project/abstract-code/upload');
+        } //$abstracts_q->is_submitted == 0
+    } //$abstracts_query_process == TRUE
+    else {
+        $url = l('Upload Case Directory', 'case-study-project/abstract-code/upload');
+        $abstracts_query_process_filename = "File not uploaded";
+    }
+    $return_html .= '<strong>Contributor Name:</strong><br />' . $proposal_data->name_title . ' ' . $proposal_data->contributor_name . '<br /><br />';
+    $return_html .= '<strong>Title of the Case Study Project:</strong><br />' . $proposal_data->project_title . '<br /><br />';
+    $return_html .= '<strong>Uploaded abstract of the project:</strong><br />' . $abstract_filename . '<br /><br />';
+    $return_html .= '<strong>Uploaded Case Directory:</strong><br />' . $abstracts_query_process_filename . '<br /><br />';
+    $return_html .= $url . '<br />';
+    return $return_html;
+}
+function scilab_case_study_upload_abstract_code_form($form, &$form_state)
+{
+    global $user;
+    $form['#attributes'] = array(
+        'enctype' => "multipart/form-data",
+    );
+    /* get current proposal */
+    //$proposal_id = (int) arg(3);
+    $uid = $user->uid;
+    $query = db_select('case_study_proposal');
+    $query->fields('case_study_proposal');
+    $query->condition('uid', $uid);
+    $query->condition('approval_status', '1');
+    $proposal_q = $query->execute();
+    if ($proposal_q) {
+        if ($proposal_data = $proposal_q->fetchObject()) {
+            /* everything ok */
+        } //$proposal_data = $proposal_q->fetchObject()
+        else {
+            drupal_set_message(t('Invalid proposal selected. Please try again.'), 'error');
+            drupal_goto('case-study-project/abstract-code');
+            return;
+        }
+    } //$proposal_q
+    else {
+        drupal_set_message(t('Invalid proposal selected. Please try again.'), 'error');
+        drupal_goto('case-study-project/abstract-code');
+        return;
+    }
+    $query = db_select('case_study_submitted_abstracts');
+    $query->fields('case_study_submitted_abstracts');
+    $query->condition('proposal_id', $proposal_data->id);
+    $abstracts_q = $query->execute()->fetchObject();
+    if ($abstracts_q) {
+        if ($abstracts_q->is_submitted == 1) {
+            drupal_set_message(t('You have already submited your Case Directory, hence you can not upload any more, for any query please write to us.'), 'error', $repeat = false);
+            drupal_goto('case-study-project/abstract-code');
+            //return;
+        } //$abstracts_q->is_submitted == 1
+    } //$abstracts_q->is_submitted == 1
+    $form['project_title'] = array(
+        '#type' => 'item',
+        '#markup' => $proposal_data->project_title,
+        '#title' => t('Title of the Case Study Project'),
+    );
+    $form['contributor_name'] = array(
+        '#type' => 'item',
+        '#markup' => $proposal_data->contributor_name,
+        '#title' => t('Contributor Name'),
+    );
+    $existing_uploaded_S_file = default_value_for_uploaded_files("S", $proposal_data->id);
+    if (!$existing_uploaded_S_file) {
+        $existing_uploaded_S_file = new stdClass();
+        $existing_uploaded_S_file->filename = "No file uploaded";
+    } //!$existing_uploaded_S_file
+    $form['upload_case_study_developed_process'] = array(
+        '#type' => 'file',
+        '#title' => t('Upload the Case Directory'),
+        //'#required' => TRUE,
+        '#description' => t('<span style="color:red;">Current File:</span> ' . $existing_uploaded_S_file->filename . '<br />Separate filenames with underscore. No spaces or any special characters allowed in filename.') . '<br />' . t('<span style="color:red;">Allowed file extensions: ') . variable_get('case_study_project_files_extensions', '') . '</span>',
+    );
+    $existing_uploaded_A_file = default_value_for_uploaded_files("A", $proposal_data->id);
+    if (!$existing_uploaded_A_file) {
+        $existing_uploaded_A_file = new stdClass();
+        $existing_uploaded_A_file->filename = "No file uploaded";
+    } //!$existing_uploaded_A_file
+    $form['upload_case_study_final_report'] = array(
+        '#type' => 'file',
+        '#title' => t('Upload the Final Report'),
+        //'#required' => TRUE,
+        '#description' => t('<span style="color:red;">Current File:</span> ' . $existing_uploaded_A_file->filename . '<br />Separate filenames with underscore. No spaces or any special characters allowed in filename.') . '<br />' . t('<span style="color:red;">Allowed file extensions: ') . variable_get('case_study_final_report_extensions', '') . '</span>',
+    );
+    $form['prop_id'] = array(
+        '#type' => 'hidden',
+        '#value' => $proposal_data->id,
+    );
+    $form['submit'] = array(
+        '#type' => 'submit',
+        '#value' => t('Submit'),
+        '#submit' => array(
+            'scilab_case_study_upload_abstract_code_form_submit',
+        ),
+    );
+    $form['cancel'] = array(
+        '#type' => 'item',
+        '#markup' => l(t('Cancel'), 'case-study-project/abstract-code'),
+    );
+    return $form;
+}
+
+///////////////////////////////////////////////////////////////
+function scilab_case_study_upload_abstract_code_form_validate($form, &$form_state)
+{
+    //var_dump($form);die;
+    if (isset($_FILES['files'])) {
+        /* check if atleast one source or result file is uploaded */
+        if (!($_FILES['files']['name']['upload_case_study_developed_process'])) {
+            form_set_error('upload_case_study_developed_process', t('Please upload the case files'));
+        }
+        if (!($_FILES['files']['name']['upload_case_study_final_report'])) {
+            form_set_error('upload_case_study_final_report', t('Please upload the final report'));
+        }
+
+        /* check for valid filename extensions */
+        foreach ($_FILES['files']['name'] as $file_form_name => $file_name) {
+            if ($file_name) {
+                /* checking file type */
+                    if (strstr($file_form_name, 'upload_case_study_developed_process'))
+                        $file_type = 'S';
+                    else if (strstr($file_form_name, 'upload_case_study_final_report'))
+                        $file_type = 'A';
+                    $allowed_extensions_str = '';
+                    switch ($file_type)
+                    {
+                        case 'S':
+                            $allowed_extensions_str = variable_get('case_study_project_files_extensions', '');
+                            break;
+                        case 'A':
+                            $allowed_extensions_str = variable_get('case_study_final_report_extensions', '');
+                            break;
+                    } //$file_type
+                    $allowed_extensions = explode(',', $allowed_extensions_str);
+                    $tmp_ext = explode('.', strtolower($_FILES['files']['name'][$file_form_name]));
+                    $temp_extension = end($tmp_ext);
+                    if (!in_array($temp_extension, $allowed_extensions))
+                        form_set_error($file_form_name, t('Only file with ' . $allowed_extensions_str . ' extensions can be uploaded.'));
+                    if ($_FILES['files']['size'][$file_form_name] <= 0)
+                        form_set_error($file_form_name, t('File size cannot be zero.'));
+                    /* check if valid file name */
+                    if (!scilab_case_study_check_valid_filename($_FILES['files']['name'][$file_form_name]))
+                        form_set_error($file_form_name, t('Invalid file name specified. Only alphabets and numbers are allowed as a valid filename.'));
+
+            } //$file_name
+        } //$_FILES['files']['name'] as $file_form_name => $file_name
+    }
+    return $form_state;
+}
+function scilab_case_study_upload_abstract_code_form_submit($form, &$form_state)
+{
+    global $user;
+    $v = $form_state['values'];
+    $root_path = scilab_case_study_path();
+    $proposal_data = scilab_case_study_get_proposal();
+    $proposal_id = $proposal_data->id;
+    if (!$proposal_data) {
+        drupal_goto('');
+        return;
+    } //!$proposal_data
+    $proposal_id = $proposal_data->id;
+    $proposal_directory = $proposal_data->directory_name;
+    /* create proposal folder if not present */
+    //$dest_path = $proposal_directory . '/';
+    $dest_path = $proposal_directory . '/project_files/';
+    if (!is_dir($root_path . $dest_path))
+        mkdir($root_path . $dest_path);
+    $proposal_id = $proposal_data->id;
+    $query_s = "SELECT * FROM case_study_submitted_abstracts WHERE proposal_id = :proposal_id";
+    $args_s = array(
+        ":proposal_id" => $proposal_id,
+    );
+    $query_s_result = db_query($query_s, $args_s)->fetchObject();
+    if (!$query_s_result) {
+        /* creating solution database entry */
+        $query = "INSERT INTO case_study_submitted_abstracts(
+	proposal_id,
+	approver_uid,
+	abstract_approval_status,
+	abstract_upload_date,
+	abstract_approval_date,
+	is_submitted) VALUES (:proposal_id, :approver_uid, :abstract_approval_status,:abstract_upload_date, :abstract_approval_date, :is_submitted)";
+        $args = array(
+            ":proposal_id" => $proposal_id,
+            ":approver_uid" => 0,
+            ":abstract_approval_status" => 0,
+            ":abstract_upload_date" => time(),
+            ":abstract_approval_date" => 0,
+            ":is_submitted" => 1,
+        );
+        $submitted_abstract_id = db_query($query, $args, array(
+            'return' => Database::RETURN_INSERT_ID,
+        ));
+        $query1 = "UPDATE case_study_proposal SET is_submitted = :is_submitted WHERE id = :id";
+        $args1 = array(
+            ":is_submitted" => 1,
+            ":id" => $proposal_id,
+        );
+        db_query($query1, $args1);
+        drupal_set_message('Abstract uploaded successfully.', 'status');
+    } //!$query_s_result
+    else {
+        $query = "UPDATE case_study_submitted_abstracts SET	abstract_upload_date =:abstract_upload_date,
+	is_submitted= :is_submitted WHERE proposal_id = :proposal_id";
+        $args = array(
+            ":abstract_upload_date" => time(),
+            ":is_submitted" => 1,
+            ":proposal_id" => $proposal_id,
+        );
+        $submitted_abstract_id = db_query($query, $args, array(
+            'return' => Database::RETURN_INSERT_ID,
+        ));
+        $query1 = "UPDATE case_study_proposal SET is_submitted = :is_submitted WHERE id = :id";
+        $args1 = array(
+            ":is_submitted" => 1,
+            ":id" => $proposal_id,
+        );
+        db_query($query1, $args1);
+        drupal_set_message('Abstract updated successfully.', 'status');
+    }
+    foreach ($_FILES['files']['name'] as $file_form_name => $file_name) {
+        if ($file_name) {
+            /* checking file type */
+            if (strstr($file_form_name, 'upload_case_study_developed_process'))
+            {
+                $file_type = 'S';
+            } //strstr($file_form_name, 'upload_case_study_developed_process')
+            else if (strstr($file_form_name, 'upload_case_study_final_report'))
+            {
+                $file_type = 'A';
+            } //strstr($file_form_name, 'upload_an_abstract')
+            switch ($file_type)
+            {
+                case 'S':
+                    if (file_exists($root_path . $dest_path . $_FILES['files']['name'][$file_form_name]))
+                    {
+                        //unlink($root_path . $dest_path . $_FILES['files']['name'][$file_form_name]);
+                        drupal_set_message(t("File !filename already exists hence overwirtten the exisitng file ", array(
+                            '!filename' => $_FILES['files']['name'][$file_form_name]
+                        )), 'error');
+                    } //file_exists($root_path . $dest_path . $_FILES['files']['name'][$file_form_name])
+                    /* uploading file */
+                    else if (move_uploaded_file($_FILES['files']['tmp_name'][$file_form_name], $root_path . $dest_path . $_FILES['files']['name'][$file_form_name]))
+                    {
+                        /* for uploaded files making an entry in the database */
+                        $query_ab_f = "SELECT * FROM case_study_submitted_abstracts_file WHERE proposal_id = :proposal_id AND filetype = 
+                :filetype";
+                        $args_ab_f = array(
+                            ":proposal_id" => $proposal_id,
+                            ":filetype" => $file_type
+                        );
+                        $query_ab_f_result = db_query($query_ab_f, $args_ab_f)->fetchObject();
+                        if (!$query_ab_f_result)
+                        {
+                            $query = "INSERT INTO case_study_submitted_abstracts_file (submitted_abstract_id, proposal_id, uid, approvar_uid, filename, filepath, filemime, filesize, filetype, timestamp)
+          VALUES (:submitted_abstract_id, :proposal_id, :uid, :approvar_uid, :filename, :filepath, :filemime, :filesize, :filetype, :timestamp)";
+                            $args = array(
+                                ":submitted_abstract_id" => $submitted_abstract_id,
+                                ":proposal_id" => $proposal_id,
+                                ":uid" => $user->uid,
+                                ":approvar_uid" => 0,
+                                ":filename" => $_FILES['files']['name'][$file_form_name],
+                                ":filepath" => $_FILES['files']['name'][$file_form_name],
+                                ":filemime" => mime_content_type($root_path . $dest_path . $_FILES['files']['name'][$file_form_name]),
+                                ":filesize" => $_FILES['files']['size'][$file_form_name],
+                                ":filetype" => $file_type,
+                                ":timestamp" => time()
+                            );
+                            db_query($query, $args);
+                            drupal_set_message($file_name . ' uploaded successfully.', 'status');
+                        } //!$query_ab_f_result
+                        else
+                        {
+                            unlink($root_path . $dest_path . $query_ab_f_result->filename);
+                            $query = "UPDATE {case_study_submitted_abstracts_file} SET filename = :filename, filepath=:filepath, filemime=:filemime, filesize=:filesize, timestamp=:timestamp WHERE proposal_id = :proposal_id AND filetype = :filetype";
+                            $args = array(
+                                ":filename" => $_FILES['files']['name'][$file_form_name],
+                                ":filepath" => $file_path . $_FILES['files']['name'][$file_form_name],
+                                ":filemime" => mime_content_type($root_path . $dest_path . $_FILES['files']['name'][$file_form_name]),
+                                ":filesize" => $_FILES['files']['size'][$file_form_name],
+                                ":timestamp" => time(),
+                                ":proposal_id" => $proposal_id,
+                                ":filetype" => $file_type
+                            );
+                            db_query($query, $args);
+                            drupal_set_message($file_name . ' file updated successfully.', 'status');
+                        }
+                    } //move_uploaded_file($_FILES['files']['tmp_name'][$file_form_name], $root_path . $dest_path . $_FILES['files']['name'][$file_form_name])
+                    else
+                    {
+                        drupal_set_message('Error uploading file : ' . $dest_path . $file_name, 'error');
+                    }
+                    break;
+                case 'A':
+                    if (file_exists($root_path . $dest_path . $_FILES['files']['name'][$file_form_name]))
+                    {
+                        //unlink($root_path . $dest_path . $_FILES['files']['name'][$file_form_name]);
+                        drupal_set_message(t("File !filename already exists hence overwirtten the exisitng file ", array(
+                            '!filename' => $_FILES['files']['name'][$file_form_name]
+                        )), 'error');
+                    } //file_exists($root_path . $dest_path . $_FILES['files']['name'][$file_form_name])
+                    /* uploading file */
+                    else if (move_uploaded_file($_FILES['files']['tmp_name'][$file_form_name], $root_path . $dest_path . $_FILES['files']['name'][$file_form_name]))
+                    {
+                        /* for uploaded files making an entry in the database */
+                        $query_ab_f = "SELECT * FROM case_study_submitted_abstracts_file WHERE proposal_id = :proposal_id AND filetype = 
+                :filetype";
+                        $args_ab_f = array(
+                            ":proposal_id" => $proposal_id,
+                            ":filetype" => $file_type
+                        );
+                        $query_ab_f_result = db_query($query_ab_f, $args_ab_f)->fetchObject();
+                        if (!$query_ab_f_result)
+                        {
+                            $query = "INSERT INTO {case_study_submitted_abstracts_file} (submitted_abstract_id, proposal_id, uid, approvar_uid, filename, filepath, filemime, filesize, filetype, timestamp)
+          VALUES (:submitted_abstract_id, :proposal_id, :uid, :approvar_uid, :filename, :filepath, :filemime, :filesize, :filetype, :timestamp)";
+                            $args = array(
+                                ":submitted_abstract_id" => $submitted_abstract_id,
+                                ":proposal_id" => $proposal_id,
+                                ":uid" => $user->uid,
+                                ":approvar_uid" => 0,
+                                ":filename" => $_FILES['files']['name'][$file_form_name],
+                                ":filepath" => $_FILES['files']['name'][$file_form_name],
+                                ":filemime" => mime_content_type($root_path . $dest_path . $_FILES['files']['name'][$file_form_name]),
+                                ":filesize" => $_FILES['files']['size'][$file_form_name],
+                                ":filetype" => $file_type,
+                                ":timestamp" => time()
+                            );
+                            db_query($query, $args);
+                            drupal_set_message($file_name . ' uploaded successfully.', 'status');
+                        } //!$query_ab_f_result
+                        else
+                        {
+                            unlink($root_path . $dest_path . $query_ab_f_result->filename);
+                            $query = "UPDATE {case_study_submitted_abstracts_file} SET filename = :filename, filepath=:filepath, filemime=:filemime, filesize=:filesize, timestamp=:timestamp WHERE proposal_id = :proposal_id AND filetype = :filetype";
+                            $args = array(
+                                ":filename" => $_FILES['files']['name'][$file_form_name],
+                                ":filepath" => $file_path . $_FILES['files']['name'][$file_form_name],
+                                ":filemime" => mime_content_type($root_path . $dest_path . $_FILES['files']['name'][$file_form_name]),
+                                ":filesize" => $_FILES['files']['size'][$file_form_name],
+                                ":timestamp" => time(),
+                                ":proposal_id" => $proposal_id,
+                                ":filetype" => $file_type
+                            );
+                            db_query($query, $args);
+                            drupal_set_message($file_name . ' file updated successfully.', 'status');
+                        }
+                    } //move_uploaded_file($_FILES['files']['tmp_name'][$file_form_name], $root_path . $dest_path . $_FILES['files']['name'][$file_form_name])
+                    else
+                    {
+                        drupal_set_message('Error uploading file : ' . $dest_path . $file_name, 'error');
+                    }
+                    break;
+            } //$file_type
+        } //$file_name
+    } //$_FILES['files']['name'] as $file_form_name => $file_name
+    /* sending email */
+    $email_to = $user->mail;
+    $from = variable_get('case_study_from_email', '');
+    $bcc = variable_get('case_study_emails', '');
+    $cc = variable_get('case_study_cc_emails', '');
+    $params['abstract_uploaded']['proposal_id'] = $proposal_id;
+    $params['abstract_uploaded']['submitted_abstract_id'] = $submitted_abstract_id;
+    $params['abstract_uploaded']['user_id'] = $user->uid;
+    $params['abstract_uploaded']['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('scilab_case_study', 'abstract_uploaded', $email_to, language_default(), $params, $from, true)) {
+        drupal_set_message('Error sending email message.', 'error');
+    }
+
+    drupal_goto('case-study-project/abstract-code');
+}
+function default_value_for_uploaded_files($filetype, $proposal_id)
+{
+    $query = db_select('case_study_submitted_abstracts_file');
+    $query->fields('case_study_submitted_abstracts_file');
+    $query->condition('proposal_id', $proposal_id);
+    $selected_files_array = "";
+    if ($filetype == "S") {
+        $query->condition('filetype', $filetype);
+        $filetype_q = $query->execute()->fetchObject();
+        return $filetype_q;
+    } elseif ($filetype == "A") {
+        $query->condition('filetype', $filetype);
+        $filetype_q = $query->execute()->fetchObject();
+        return $filetype_q;
+    }
+    return;
+}
+function scilab_case_study_edit_upload_abstract_code_form($form, &$form_state)
+{
+    global $user;
+    $form['#attributes'] = array(
+        'enctype' => "multipart/form-data",
+    );
+    /* get current proposal */
+    $proposal_id = (int) arg(3);
+    $uid = $user->uid;
+    $query = db_select('case_study_proposal');
+    $query->fields('case_study_proposal');
+    $query->condition('id', $proposal_id);
+    $proposal_q = $query->execute();
+    if ($proposal_q) {
+        if ($proposal_data = $proposal_q->fetchObject()) {
+            /* everything ok */
+        } //$proposal_data = $proposal_q->fetchObject()
+        else {
+            drupal_set_message(t('Invalid proposal selected. Please try again.'), 'error');
+            drupal_goto('case-study-project/manage-proposal/edit-upload-file');
+            return;
+        }
+    } //$proposal_q
+    else {
+        drupal_set_message(t('Invalid proposal selected. Please try again.'), 'error');
+        drupal_goto('case-study-project/manage-proposal/edit-upload-file');
+        return;
+    }
+    $query = db_select('case_study_submitted_abstracts');
+    $query->fields('case_study_submitted_abstracts');
+    $query->condition('proposal_id', $proposal_data->id);
+    $abstracts_q = $query->execute()->fetchObject();
+    $form['project_title'] = array(
+        '#type' => 'item',
+        '#markup' => $proposal_data->project_title,
+        '#title' => t('Title of the Case Study Project'),
+    );
+    $form['contributor_name'] = array(
+        '#type' => 'item',
+        '#markup' => $proposal_data->contributor_name,
+        '#title' => t('Contributor Name'),
+    );
+    $existing_uploaded_A_file = default_value_for_uploaded_files("A", $proposal_data->id);
+    if (!$existing_uploaded_A_file) {
+        $existing_uploaded_A_file = new stdClass();
+        $existing_uploaded_A_file->filename = "No file uploaded";
+    } //!$existing_uploaded_A_file
+    $form['upload_case_study_abstract'] = array(
+        '#type' => 'file',
+        '#title' => t('Upload the Case study abstract'),
+        //'#required' => TRUE,
+        '#description' => t('<span style="color:red;">Current File :</span> ' . $existing_uploaded_A_file->filename . '<br />Separate filenames with underscore. No spaces or any special characters allowed in filename.') . '<br />' . t('<span style="color:red;">Allowed file extensions : ') . variable_get('resource_upload_extensions', '') . '</span>',
+    );
+    $existing_uploaded_S_file = default_value_for_uploaded_files("S", $proposal_data->id);
+    if (!$existing_uploaded_S_file) {
+        $existing_uploaded_S_file = new stdClass();
+        $existing_uploaded_S_file->filename = "No file uploaded";
+    } //!$existing_uploaded_S_file
+    $form['upload_case_study_developed_process'] = array(
+        '#type' => 'file',
+        '#title' => t('Upload the Case Directory'),
+        //'#required' => TRUE,
+        '#description' => t('<span style="color:red;">Current File :</span> ' . $existing_uploaded_S_file->filename . '<br />Separate filenames with underscore. No spaces or any special characters allowed in filename.') . '<br />' . t('<span style="color:red;">Allowed file extensions : ') . variable_get('case_study_project_files_extensions', '') . '</span>',
+    );
+    $form['prop_id'] = array(
+        '#type' => 'hidden',
+        '#value' => $proposal_data->id,
+    );
+    $form['submit'] = array(
+        '#type' => 'submit',
+        '#value' => t('Submit'),
+        '#submit' => array(
+            'scilab_case_study_edit_upload_abstract_code_form_submit',
+        ),
+    );
+    $form['cancel'] = array(
+        '#type' => 'item',
+        '#markup' => l(t('Cancel'), 'case-study-project/manage-proposal/edit-upload-file'),
+    );
+    return $form;
+}
+///////////////////////////////////////////////////////////////
+function scilab_case_study_edit_upload_abstract_code_form_validate($form, &$form_state)
+{
+
+    if (!($_FILES['files']['name']['upload_case_study_abstract'] || $_FILES['files']['name']['upload_case_study_developed_process'])) {
+        drupal_set_message('No files uploaded', 'error');
+        return;
+    }
+    if (isset($_FILES['files'])) {
+        /* check for valid filename extensions */
+        foreach ($_FILES['files']['name'] as $file_form_name => $file_name) {
+            if ($file_name) {
+                /* checking file type */
+                if (strstr($file_form_name, 'upload_case_study_abstract')) {
+                    $file_type = 'A';
+                } else if (strstr($file_form_name, 'upload_case_study_developed_process')) {
+                    $file_type = 'S';
+                } else {
+                    $file_type = 'U';
+                }
+
+                $allowed_extensions_str = '';
+                switch ($file_type) {
+                    case 'A':
+                        $allowed_extensions_str = variable_get('resource_upload_extensions', '');
+                        break;
+                    case 'S':
+                        $allowed_extensions_str = variable_get('case_study_project_files_extensions', '');
+                        break;
+                } //$file_type
+                /* checking file type */
+                $allowed_extensions = explode(',', $allowed_extensions_str);
+                $fnames = explode('.', strtolower($_FILES['files']['name'][$file_form_name]));
+                $temp_extension = end($fnames);
+                if (!in_array($temp_extension, $allowed_extensions)) {
+                    form_set_error($file_form_name, t('Only file with ' . $allowed_extensions_str . ' extensions can be uploaded.'));
+                }
+
+                if ($_FILES['files']['size'][$file_form_name] <= 0) {
+                    form_set_error($file_form_name, t('File size cannot be zero.'));
+                }
+
+                /* check if valid file name */
+                if (!scilab_case_study_check_valid_filename($_FILES['files']['name'][$file_form_name])) {
+                    form_set_error($file_form_name, t('Invalid file name specified. Only alphabets and numbers are allowed as a valid filename.'));
+                }
+
+            } //$file_name
+        } //$_FILES['files']['name'] as $file_form_name => $file_name
+    } else {
+        drupal_set_message('No files uploaded', 'error');
+        return $form_state;
+    }
+
+}
+function scilab_case_study_edit_upload_abstract_code_form_submit($form, &$form_state)
+{
+    global $user;
+    $v = $form_state['values'];
+    $root_path = scilab_case_study_path();
+    $query = db_select('case_study_proposal');
+    $query->fields('case_study_proposal');
+    $query->condition('id', $v['prop_id']);
+    $proposal_q = $query->execute();
+    $proposal_data = $proposal_q->fetchObject();
+    $proposal_id = $proposal_data->id;
+    if (!$proposal_data) {
+        drupal_goto('');
+        return;
+    } //!$proposal_data
+    $proposal_id = $proposal_data->id;
+    $proposal_directory = $proposal_data->directory_name;
+    /* create proposal folder if not present */
+    //$dest_path = $proposal_directory . '/';
+    $dest_path_project_files = $proposal_directory . '/';
+    $proposal_id = $proposal_data->id;
+    foreach ($_FILES['files']['name'] as $file_form_name => $file_name) {
+
+        if ($file_name) {
+            /* uploading file */
+            /* checking file type */
+            if (strstr($file_form_name, 'upload_case_study_abstract')) {
+                $file_type = 'A';
+                $abs_file_name = $_FILES['files']['name'][$file_form_name];
+            } else {
+                $abs_file_name = "Not updated";
+            }
+            if (strstr($file_form_name, 'upload_case_study_developed_process')) {
+                $file_type = 'S';
+                $proj_file_name = $_FILES['files']['name'][$file_form_name];
+            } else {
+                $proj_file_name = "Not updated";
+            }
+            if (move_uploaded_file($_FILES['files']['tmp_name'][$file_form_name], $root_path . $dest_path_project_files . $_FILES['files']['name'][$file_form_name])) {
+                $query_ab_f = "SELECT * FROM case_study_submitted_abstracts_file WHERE proposal_id = :proposal_id AND filetype =
+				:filetype";
+                $args_ab_f = array(
+                    ":proposal_id" => $proposal_id,
+                    ":filetype" => $file_type,
+                );
+                $query_ab_f_result = db_query($query_ab_f, $args_ab_f)->fetchObject();
+                unlink($root_path . $dest_path_project_files . $query_ab_f_result->filename);
+                $query = "UPDATE {case_study_submitted_abstracts_file} SET filename = :filename, filepath=:filepath, filemime=:filemime, filesize=:filesize, timestamp=:timestamp WHERE proposal_id = :proposal_id AND filetype = :filetype";
+                $args = array(
+                    ":filename" => $_FILES['files']['name'][$file_form_name],
+                    ":filepath" => $file_path . $_FILES['files']['name'][$file_form_name],
+                    ":filemime" => mime_content_type($root_path . $dest_path_project_files . $_FILES['files']['name'][$file_form_name]),
+                    ":filesize" => $_FILES['files']['size'][$file_form_name],
+                    ":timestamp" => time(),
+                    ":proposal_id" => $proposal_id,
+                    ":filetype" => $file_type,
+                );
+                db_query($query, $args, array('return' => Database::RETURN_INSERT_ID,
+                ));
+
+                drupal_set_message($file_name . ' file updated successfully.', 'status');
+
+            } else {
+                drupal_set_message($file_name . ' file not updated successfully.', 'error');
+            }
+        }
+    } //$_FILES['files']['name'] as $file_form_name => $file_name
+    /* sending email */
+    $email_to = $user->mail;
+    $from = variable_get('case_study_from_email', '');
+    $bcc = variable_get('case_study_emails', '');
+    $cc = variable_get('case_study_cc_emails', '');
+    $params['abstract_edit_file_uploaded']['proposal_id'] = $proposal_id;
+    $params['abstract_edit_file_uploaded']['user_id'] = $user->uid;
+    $params['abstract_edit_file_uploaded']['abs_file'] = $abs_file_name;
+    $params['abstract_edit_file_uploaded']['proj_file'] = $proj_file_name;
+    $params['abstract_edit_file_uploaded']['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('case_study', 'abstract_edit_file_uploaded', $email_to, language_default(), $params, $from, true)) {
+        drupal_set_message('Error sending email message.', 'error');
+    }
+    drupal_goto('case-study-project/abstract-code/edit-upload-files');
+}