diff options
Diffstat (limited to 'code.inc')
| -rwxr-xr-x | code.inc | 531 |
1 files changed, 531 insertions, 0 deletions
diff --git a/code.inc b/code.inc new file mode 100755 index 0000000..58a23e2 --- /dev/null +++ b/code.inc @@ -0,0 +1,531 @@ +<?php +// $Id$ + +function upload_examples() +{ + return drupal_get_form('upload_examples_form'); +} + +function upload_examples_form($form_state) +{ + global $user; + + /************************ start approve book details ************************/ + $proposal_q = db_query("SELECT * FROM {textbook_companion_proposal} WHERE uid = %d ORDER BY id DESC LIMIT 1", $user->uid); + $proposal_data = db_fetch_object($proposal_q); + if (!$proposal_data) + { + drupal_set_message("Please submit a " . l('proposal', 'proposal') . ".", 'error'); + drupal_goto(''); + } + if ($proposal_data->proposal_status != 1) + { + switch ($proposal_data->proposal_status ) + { + case 0: + drupal_set_message(t('We have already received your proposal. We will get back to you soon.'), 'status'); + drupal_goto(''); + return; + break; + case 2: + drupal_set_message(t('Your proposal has been dis-approved. Please create another proposal ' . l('here', 'proposal') . '.'), 'error'); + drupal_goto(''); + return; + break; + case 3: + drupal_set_message(t('Congratulations! You have completed your last book proposal. You have to create another proposal ' . l('here', 'proposal') . '.'), 'status'); + drupal_goto(''); + return; + break; + default: + drupal_set_message(t('Invalid proposal state. Please contact site administrator for further information.'), 'error'); + drupal_goto(''); + return; + break; + } + } + + $preference_q = db_query("SELECT * FROM {textbook_companion_preference} WHERE proposal_id = %d AND approval_status = 1 LIMIT 1", $proposal_data->id); + $preference_data = db_fetch_object($preference_q); + if (!$preference_data) + { + drupal_set_message(t('Invalid Book Preference status. Please contact site administrator for further information.'), 'error'); + drupal_goto(''); + return; + } + /************************ end approve book details **************************/ + + /* add javascript for automatic book title, check if example uploaded, dependency selection effects */ + $chapter_name_js = " $(document).ready(function() { + $('#edit-number').change(function() { + $.get('" . base_path() . "textbook_companion/ajax/chapter_title/' + $('#edit-number').val() + '/' + " . $preference_data->id . ", function(data) { + data = data.toString().replace('\t', ''); + $('#edit-name').val(data); + }); + }); + $('#edit-example-number').change(function() { + $.get('" . base_path() . "textbook_companion/ajax/example_exists/' + $('#edit-number').val() + '/' + " . $preference_data->id . " + '/' + $('#edit-example-number').val(), function(data) { + if (!data) { + alert(data); + } + }); + }); + $('#edit-existing-depfile-dep-book-title').change(function() { + var dep_selected = ''; + /* showing and hiding relevant files */ + $('.form-checkboxes .option').hide(); + $('.form-checkboxes .option').each(function(index) { + var activeClass = $('#edit-existing-depfile-dep-book-title').val(); + if ($(this).children().hasClass(activeClass)) { + $(this).show(); + } + if ($(this).children().attr('checked') == true) { + dep_selected += $(this).children().next().text() + '<br />'; + } + }); + /* showing list of already existing dependencies */ + $('#existing_depfile_selected').html(dep_selected); + }); + + $('.form-checkboxes .option').change(function() { + $('#edit-existing-depfile-dep-book-title').trigger('change'); + }); + $('#edit-existing-depfile-dep-book-title').trigger('change'); + });"; + drupal_add_js($chapter_name_js, 'inline', 'header'); + + $form['#attributes'] = array('enctype' => "multipart/form-data"); + + $form['book_details']['book'] = array( + '#type' => 'item', + '#value' => $preference_data->book, + '#title' => t('Title of the Book'), + ); + $form['contributor_name'] = array( + '#type' => 'item', + '#value' => $proposal_data->full_name, + '#title' => t('Contributor Name'), + ); + + $form['number'] = array( + '#type' => 'select', + '#title' => t('Chapter No'), + '#options' => array('' => '(Select)', '1' => '1', '2', '3', '4', '5', '6', '7', '8', '9', '10', + '11', '12', '13', '14', '15', '16', '17', '18', '19', '20', + '21', '22', '23', '24', '25', '26', '27', '28', '29', '30', + '31', '32', '33', '34', '35', '36', '37', '38', '39', '40', + '41', '42', '43', '44', '45', '46', '47', '48', '49', '50'), + '#multiple' => FALSE, + '#size' => 1, + '#required' => TRUE, + ); + $form['name'] = array( + '#type' => 'textfield', + '#title' => t('Title of the Chapter'), + '#size' => 40, + '#maxlength' => 255, + '#required' => TRUE, + ); + $form['example_type'] = array( + '#type' => 'select', + '#title' => t('Example Type'), + '#options' => array('' => '(Select)', 1 => 'Simulation', 2 => 'PCB', 3 => 'Simulation & PCB'), + '#multiple' => FALSE, + '#size' => 1, + '#required' => TRUE, + ); + $form['example_number'] = array( + '#type' => 'textfield', + '#title' => t('Example No'), + '#size' => 5, + '#maxlength' => 10, + '#description' => t("Example number should be separated by dots only.<br />Example: 1.1.a or 1.1.1"), + '#required' => TRUE, + ); + $form['example_caption'] = array( + '#type' => 'textfield', + '#title' => t('Caption'), + '#size' => 40, + '#maxlength' => 255, + '#description' => t('Example caption should contain only alphabets, numbers and spaces.'), + '#required' => TRUE, + ); + $form['example_warning'] = array( + '#type' => 'item', + '#title' => t('You should upload all the files as zip (main or source files, result files, executable file if any)'), + '#prefix' => '<div style="color:red">', + '#suffix' => '</div>', + ); + + $form['sourcefile'] = array( + '#type' => 'fieldset', + '#title' => t('Main or Source Files'), + '#collapsible' => FALSE, + '#collapsed' => FALSE, + ); + $form['sourcefile']['sourcefile1'] = array( + '#type' => 'file', + '#title' => t('Upload main or source file'), + '#size' => 48, + '#description' => t('Separate filenames with underscore. No spaces or any special characters allowed in filename.') . '<br />' . + t('<span style="color:red;">Allowed file extensions : ') . variable_get('textbook_companion_source_extensions', '').'</span>', + ); + + $form['submit'] = array( + '#type' => 'submit', + '#value' => t('Submit') + ); + + $form['cancel'] = array( + '#type' => 'markup', + '#value' => l(t('Cancel'), 'textbook_companion/code'), + ); + return $form; +} + +function upload_examples_form_validate($form, &$form_state) +{ + if (!check_name($form_state['values']['name'])) + form_set_error('name', t('Title of the Chapter can contain only alphabets, numbers and spaces.')); + + if (!check_name($form_state['values']['example_caption'])) + form_set_error('example_caption', t('Example Caption can contain only alphabets, numbers and spaces.')); + + if (!check_chapter_number($form_state['values']['example_number'])) + form_set_error('example_number', t('Invalid Example Number. Example Number can contain only alphabets and numbers sepereated by dot.')); + + if (isset($_FILES['files'])) + { + /* check if atleast one source or result file is uploaded */ + if ( ! ($_FILES['files']['name']['sourcefile1'])) + form_set_error('sourcefile1', t('Please upload source file.')); + /* check for valid filename extensions */ + foreach ($_FILES['files']['name'] as $file_form_name => $file_name) + { + if ($file_name) + { + $allowed_extensions_str = variable_get('textbook_companion_source_extensions', ''); + + $allowed_extensions = explode(',' , $allowed_extensions_str); + $temp_extension = end(explode('.', strtolower($_FILES['files']['name'][$file_form_name]))); + //$temp_extension = substr($_FILES['files']['name'][$file_form_name], strripos($_FILES['files']['name'][$file_form_name], '.')); // get file name + //var_dump($temp_extension); die; + if (!in_array($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 (!textbook_companion_check_valid_filename($_FILES['files']['name'][$file_form_name])) + form_set_error($file_form_name, t('Invalid file name specified. Only alphabets, numbers and underscore is allowed as a valid filename.'));*/ + } + } + + } + + /* add javascript again for automatic book title, check if example uploaded, dependency selection effects */ + $chapter_name_js = " $(document).ready(function() { + $('#edit-number').change(function() { + $.get('" . base_path() . "textbook_companion/ajax/chapter_title/' + $('#edit-number').val() + '/' + " . $row->pre_id . ", function(data) { + $('#edit-name').val(data); + }); + }); + $('#edit-example-number').change(function() { + $.get('" . base_path() . "textbook_companion/ajax/example_exists/' + $('#edit-number').val() + '/' + $('#edit-example-number').val(), function(data) { + if (data) { + alert(data); + } + }); + }); + $('#edit-existing-depfile-dep-book-title').change(function() { + var dep_selected = ''; + /* showing and hiding relevant files */ + $('.form-checkboxes .option').hide(); + $('.form-checkboxes .option').each(function(index) { + var activeClass = $('#edit-existing-depfile-dep-book-title').val(); + if ($(this).children().hasClass(activeClass)) { + $(this).show(); + } + if ($(this).children().attr('checked') == true) { + dep_selected += $(this).children().next().text() + '<br />'; + } + }); + /* showing list of already existing dependencies */ + $('#existing_depfile_selected').html(dep_selected); + }); + + $('.form-checkboxes .option').change(function() { + $('#edit-existing-depfile-dep-book-title').trigger('change'); + }); + $('#edit-existing-depfile-dep-book-title').trigger('change'); + });"; + drupal_add_js($chapter_name_js, 'inline', 'header'); +} + +function upload_examples_form_submit($form, &$form_state) { + global $user; + + $root_path = textbook_companion_path(); + + /************************ start approve book details ************************/ + $proposal_q = db_query("SELECT * FROM {textbook_companion_proposal} WHERE uid = %d ORDER BY id DESC LIMIT 1", $user->uid); + $proposal_data = db_fetch_object($proposal_q); + if (!$proposal_data) + { + drupal_set_message("Please submit a " . l('proposal', 'proposal') . ".", 'error'); + drupal_goto(''); + } + if ($proposal_data->proposal_status != 1) + { + switch ($proposal_data->proposal_status ) + { + case 0: + drupal_set_message(t('We have already received your proposal. We will get back to you soon.'), 'status'); + drupal_goto(''); + return; + break; + case 2: + drupal_set_message(t('Your proposal has been dis-approved. Please create another proposal ' . l('here', 'proposal') . '.'), 'error'); + drupal_goto(''); + return; + break; + case 3: + drupal_set_message(t('Congratulations! You have completed your last book proposal. You have to create another proposal ' . l('here', 'textbook_companion/proposal') . '.'), 'status'); + drupal_goto(''); + return; + break; + default: + drupal_set_message(t('Invalid proposal state. Please contact site administrator for further information.'), 'error'); + drupal_goto(''); + return; + break; + } + } + + $preference_q = db_query("SELECT * FROM {textbook_companion_preference} WHERE proposal_id = %d AND approval_status = 1 LIMIT 1", $proposal_data->id); + $preference_data = db_fetch_object($preference_q); + if (!$preference_data) + { + drupal_set_message(t('Invalid Book Preference status. Please contact site administrator for further information.'), 'error'); + drupal_goto(''); + return; + } + /************************ end approve book details **************************/ + + $preference_id = $preference_data->id; + + $dest_path = $preference_id . '/'; + if (!is_dir($root_path . $dest_path)) + mkdir($root_path . $dest_path); + + /* inserting chapter details */ + $chapter_id = 0; + $chapter_result = db_query("SELECT * FROM {textbook_companion_chapter} WHERE preference_id = %d AND number = %d", $preference_id, $form_state['values']['number']); + if (!$chapter_row = db_fetch_object($chapter_result)) + { + db_query("INSERT INTO {textbook_companion_chapter} (preference_id, number, name) VALUES (%d, '%s', '%s')", + $preference_id, + $form_state['values']['number'], + $form_state['values']['name'] + ); + $chapter_id = db_last_insert_id('textbook_companion_chapter', 'id'); + } else { + $chapter_id = $chapter_row->id; + db_query("UPDATE {textbook_companion_chapter} SET name = '%s' WHERE id = %d", $form_state['values']['name'], $chapter_id); + } + + /* get example details - dont allow if already example present */ + $cur_example_q = db_query("SELECT * FROM {textbook_companion_example} WHERE chapter_id = %d AND number = '%s'", $chapter_id, $form_state['values']['example_number']); + if ($cur_example_d = db_fetch_object($cur_example_q)) + { + if ($cur_example_d->approval_status == 1) + { + drupal_set_message(t("Example already approved. Cannot overwrite it."), 'error'); + drupal_goto('textbook_companion/code'); + return; + } else if ($cur_example_d->approval_status == 0) { + drupal_set_message(t("Example is under pending review. Delete the example and reupload it."), 'error'); + drupal_goto('textbook_companion/code'); + return; + } else { + drupal_set_message(t("Error uploading example. Please contact administrator."), 'error'); + drupal_goto('textbook_companion/code'); + return; + } + } + + /* creating directories */ + $dest_path .= 'CH' . $form_state['values']['number'] . '/'; + if (!is_dir($root_path . $dest_path)) + mkdir($root_path . $dest_path); + + $dest_path .= 'EX' . $form_state['values']['example_number'] . '/'; + if (!is_dir($root_path . $dest_path)) + mkdir($root_path . $dest_path); + + /* creating example database entry */ + db_query("INSERT INTO {textbook_companion_example} (chapter_id, number, caption, approval_status, timestamp, example_type) VALUES (%d, '%s', '%s', %d, %d, %d)", + $chapter_id, + $form_state['values']['example_number'], + $form_state['values']['example_caption'], + 0, + time(), + $form_state['values']['example_type'] + ); + $example_id = db_last_insert_id('textbook_companion_example', 'id'); + + /* uploading files */ + foreach ($_FILES['files']['name'] as $file_form_name => $file_name) + { + if ($file_name) + { + /* checking file type */ + $file_type = 'S'; + + if (file_exists($root_path . $dest_path . $_FILES['files']['name'][$file_form_name])) + { + drupal_set_message(t("Error uploading file. File !filename already exists.", array('!filename' => $_FILES['files']['name'][$file_form_name])), 'error'); + return; + } + + /* uploading file */ + 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 */ + db_query("INSERT INTO {textbook_companion_example_files} (example_id, filename, filepath, filemime, filesize, filetype, timestamp) + VALUES (%d, '%s', '%s', '%s', %d, '%s', %d)", + $example_id, + $_FILES['files']['name'][$file_form_name], + $dest_path . $_FILES['files']['name'][$file_form_name], + $_FILES['files']['type'][$file_form_name], + $_FILES['files']['size'][$file_form_name], + $file_type, + time() + ); + drupal_set_message($file_name . ' uploaded successfully.', 'status'); + } else { + drupal_set_message('Error uploading file : ' . $dest_path . '/' . $file_name, 'error'); + } + } + } + drupal_set_message('Example uploaded successfully.', 'status'); + + /* sending email */ + $email_to = $user->mail; + $param['example_uploaded']['example_id'] = $example_id; + $param['example_uploaded']['user_id'] = $user->uid; + if (!drupal_mail('textbook_companion', 'example_uploaded', $email_to, language_default(), $param, variable_get('textbook_companion_from_email', NULL), TRUE)) + drupal_set_message('Error sending email message.', 'error'); + + drupal_goto('textbook_companion/code'); +} + +/******************************************************************************/ +/***************************** DELETE EXAMPLE *********************************/ +/******************************************************************************/ + +function _upload_examples_delete() +{ + global $user; + $root_path = textbook_companion_path(); + $example_id = arg(3); + + /* check example */ + $example_q = db_query("SELECT * FROM {textbook_companion_example} WHERE id = %d LIMIT 1", $example_id); + $example_data = db_fetch_object($example_q); + if (!$example_data) + { + drupal_set_message('Invalid example.', 'error'); + drupal_goto('textbook_companion/code'); + return; + } + if ($example_data->approval_status != 0) + { + drupal_set_message('You cannnot delete an example after it has been approved. Please contact site administrator if you want to delete this example.', 'error'); + drupal_goto('textbook_companion/code'); + return; + } + + $chapter_q = db_query("SELECT * FROM {textbook_companion_chapter} WHERE id = %d LIMIT 1", $example_data->chapter_id); + $chapter_data = db_fetch_object($chapter_q); + if (!$chapter_data) + { + drupal_set_message('You do not have permission to delete this example.', 'error'); + drupal_goto('textbook_companion/code'); + return; + } + + $preference_q = db_query("SELECT * FROM {textbook_companion_preference} WHERE id = %d LIMIT 1", $chapter_data->preference_id); + $preference_data = db_fetch_object($preference_q); + if (!$preference_data) + { + drupal_set_message('You do not have permission to delete this example.', 'error'); + drupal_goto('textbook_companion/code'); + return; + } + + $proposal_q = db_query("SELECT * FROM {textbook_companion_proposal} WHERE id = %d AND uid = %d LIMIT 1", $preference_data->proposal_id, $user->uid); + $proposal_data = db_fetch_object($proposal_q); + if (!$proposal_data) + { + drupal_set_message('You do not have permission to delete this example.', 'error'); + drupal_goto('textbook_companion/code'); + return; + } + + /* deleting example files */ + if (delete_example($example_data->id)) + { + drupal_set_message('Example deleted.', 'status'); + + /* sending email */ + $email_to = $user->mail; + $param['example_deleted_user']['book_title'] = $preference_data->book; + $param['example_deleted_user']['chapter_title'] = $chapter_data->name; + $param['example_deleted_user']['example_number'] = $example_data->number; + $param['example_deleted_user']['example_caption'] = $example_data->caption; + + $param['example_deleted_user']['user_id'] = $user->uid; + + if (!drupal_mail('textbook_companion', 'example_deleted_user', $email_to, language_default(), $param, variable_get('textbook_companion_from_email', NULL), TRUE)) + drupal_set_message('Error sending email message.', 'error'); + } else { + drupal_set_message('Error deleting example.', 'status'); + } + + drupal_goto('textbook_companion/code'); + return; +} + +/******************************************************************************/ +/************************** GENERAL FUNCTIONS *********************************/ +/******************************************************************************/ + +function _list_of_book_titles() +{ + $book_titles = array('0' => 'Please select...'); + $book_titles_q = db_query("SELECT * FROM {textbook_companion_preference} WHERE approval_status = 1 OR approval_status = 3 ORDER BY book ASC"); + while ($book_titles_data = db_fetch_object($book_titles_q)) + { + $book_titles[$book_titles_data->id] = $book_titles_data->book . ' (Written by ' . $book_titles_data->author . ')'; + } + return $book_titles; +} + +function _list_of_book_dependency_files() +{ + $book_dependency_files = array(); + $book_dependency_files_class = array(); + $book_dependency_files_q = db_query("SELECT * FROM {textbook_companion_dependency_files} ORDER BY filename ASC"); + + while ($book_dependency_files_data = db_fetch_object($book_dependency_files_q)) + { + $temp_caption = ''; + if ($book_dependency_files_data->caption) + $temp_caption .= ' (' . $book_dependency_files_data->caption . ')'; + $book_dependency_files[$book_dependency_files_data->id] = l($book_dependency_files_data->filename . $temp_caption, 'download/dependency/' . $book_dependency_files_data->id); + $book_dependency_files_class[$book_dependency_files_data->id] = $book_dependency_files_data->preference_id; + } + return array($book_dependency_files, $book_dependency_files_class); +} + |