function reg_with_pic_user in Register with Picture 6

Same name and namespace in other branches

1. 5 reg_with_pic.module \reg_with_pic_user()

Implementation of hook_user().

File

./reg_with_pic.module, line 47

This module allows a user picture to be uploaded at registration time.

Code

function reg_with_pic_user($op, &$edit, &$user, $category = NULL) {
  if (variable_get('user_pictures', 0)) {
    switch ($op) {
      case 'register':

        // setup picture upload in registration form
        $form['#attributes']['enctype'] = 'multipart/form-data';
        $form['picture'] = array(
          '#type' => 'fieldset',
          '#title' => t('Picture'),
          '#weight' => 1,
        );
        $form['picture']['picture_upload_register'] = array(
          '#type' => 'file',
          '#title' => t('Upload picture'),
          '#description' => t('<br>Your virtual face or picture. Maximum dimensions are %dimensions and the maximum size is %size kB.', array(
            '%dimensions' => variable_get('user_picture_dimensions', '85x85'),
            '%size' => variable_get('user_picture_file_size', '30'),
          )) . ' ' . variable_get('user_picture_guidelines', ''),
        );
        $form['picture']['pic_selected'] = array(
          '#type' => 'hidden',
          '#default_value' => 0,
        );

        //
        $form['picture']['picture_upload_register']['#attributes']['onchange'] = "\$('#edit-pic-selected').val(1);";

        // handle required picture
        $required = variable_get('reg_with_pic_required', 0);
        if ($required == 1) {

          // make the field display as if a value is required
          $form['picture']['picture_upload_register']['#required'] = TRUE;

          // trick the form into thinking there is a normal value
          $form['picture']['picture_upload_register']['#default_value'] = 0;
        }
        return $form;
        break;
      case 'validate':
        if ($category != 'account') {
          break;
        }

        // handle a required field if it was set in the admin UI
        $required = variable_get('reg_with_pic_required', 0);
        $errors = form_get_errors();

        // dynamically set the field name based on input
        if (isset($edit['picture_upload'])) {
          $form_type = 'edit';
          $pic_field = 'picture_upload';
        }
        else {
          $form_type = 'register';
          $pic_field = 'picture_upload_register';
        }

        // only attempt to validate photo if one is required, or if there are no other errors
        if ($required == 1 || count($errors) == 0) {

          // validate uploaded picture, taken from user module
          $validators = array(
            'file_validate_is_image' => array(),
            'file_validate_image_resolution' => array(
              variable_get('user_picture_dimensions', '85x85'),
            ),
            'file_validate_size' => array(
              variable_get('user_picture_file_size', '30') * 1024,
            ),
          );
          $file = file_save_upload($pic_field, $validators);
          if ($required && !$file && ($form_type == 'register' || !$user->picture)) {
            form_set_error($pic_field, t('You must select a picture.'));
          }
          elseif ($required && $file && count($errors) > 0) {
            form_set_error($pic_field, t('You must reselect your picture.'));
          }
          $edit['picture_uploaded'] = $file ? TRUE : FALSE;
        }
        else {

          // a friendly reminder to reselect your picture since the browser will clear it
          if ($edit['pic_selected'] == 1) {
            form_set_error($pic_field, t('You must reselect your picture.'));
          }
        }
        break;
      case 'insert':
        if ($edit['picture_uploaded']) {

          // file repopulates from uploadcache
          $file = file_save_upload('picture_upload_register');
          $info = image_get_info($file->filepath);

          // save picture to correct path and update the row in the user table
          $destination = variable_get('user_picture_path', 'pictures') . '/picture-' . $user->uid . '.' . $info['extension'];
          if (file_copy($file, $destination, FILE_EXISTS_REPLACE)) {
            db_query("UPDATE {users} SET picture='%s' WHERE uid=%d", $file->filepath, $user->uid);
          }
        }
        break;
    }
  }
}