upload_default_avatar.module in Upload default avatar (user picture) 7

upload_default_avatar.module

Upload default avatar module adds upload image field to account settings form that allows you to upload default user picture. Since you upload it you may use it with image styles in normal way.

File

upload_default_avatar.module

<?php

/**
 * @file upload_default_avatar.module
 *
 * Upload default avatar module adds upload image field to account settings form
 * that allows you to upload default user picture. Since you upload it you may
 * use it with image styles in normal way.
 */

/**
 * Implements hook_form_BASE_FORM_ID_alter().
 */
function upload_default_avatar_form_user_admin_settings_alter(&$form, &$form_state, $form_id) {
  $form['personalization']['pictures']['user_picture_path']['#weight'] = '0';
  $form['personalization']['pictures']['user_picture_default']['#weight'] = '0.0001';
  $form['personalization']['pictures']['user_picture_default']['#description'] .= t("<br /><strong>This field disabled by <em>Upload default avatar</em> module</strong>, 'cause since you've installed this module you don't need fill this field manually. To define default user picture use upload field below.");
  $form['personalization']['pictures']['user_picture_default']['#disabled'] = TRUE;
  if (variable_get('upload_default_avatar_fid')) {
    $avatar = file_load(variable_get('upload_default_avatar_fid'));
    $alt = t('Default user picture');
    $form['personalization']['pictures']['user_picture_default_upload_current'] = array(
      '#markup' => theme('image', array(
        'path' => $avatar->uri,
        'alt' => $alt,
        'title' => $alt,
      )),
      '#weight' => '0.0002',
    );
  }
  $form['personalization']['pictures']['user_picture_default_upload'] = array(
    '#title' => t('Upload default user picture'),
    '#description' => t("Upload default user picture that will be used as avatar for users who didn't uploaded its user picture yet. Pictures larger than @dimensions pixels will be scaled down.", array(
      '@dimensions' => variable_get('user_picture_dimensions', '85x85'),
    )),
    '#type' => 'file',
    '#size' => '30',
    '#required' => '0',
    '#weight' => '0.0004',
  );

  // Add submits if pictures enabled only
  if (variable_get('user_pictures', 0) == 1) {
    $form['#validate'][] = 'upload_default_avatar_validate';
    $form['#submit'][] = 'upload_default_avatar_submit';
  }
}

/**
 * If image valid upload it to temp dir
 *
 * Copied from user_validate_picture
 *
 * @param $form
 * @param $form_state
 */
function upload_default_avatar_validate(&$form, &$form_state) {

  // If required, validate the uploaded picture.
  $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,
    ),
  );

  // Save the file as a temporary file.
  $file = file_save_upload('user_picture_default_upload', $validators);
  if ($file === FALSE) {
    form_set_error('user_picture_default_upload', t("Failed to upload the picture image; the %directory directory doesn't exist or is not writable.", array(
      '%directory' => variable_get('user_picture_path', 'pictures'),
    )));
  }
  elseif ($file !== NULL) {
    $form_state['values']['user_picture_default_upload'] = $file;
  }
}

/**
 * Submit functoin:
 *   1. remove old image
 *   2. move valid image to pictures destination
 *   3. assign new image to 'user_picture_default'
 *
 * @param $form
 * @param $form_state
 */
function upload_default_avatar_submit(&$form, &$form_state) {

  // If we have new image move it to pictures destination
  if (!empty($form_state['values']['user_picture_default_upload'])) {
    $picture = $form_state['values']['user_picture_default_upload'];

    // Force delete prev file from everywhere, I mean all image styles caches
    // Files can be with the same extension and with differ.
    if (variable_get('upload_default_avatar_fid')) {
      $prevpicture = file_load(variable_get('upload_default_avatar_fid'));
      file_usage_delete($prevpicture, 'upload_default_avatar', 'user', '0');
      file_delete($prevpicture, $force = TRUE);
    }
    if (is_numeric($picture->fid)) {

      // Save image permanently
      if (!$picture->status) {
        $info = image_get_info($picture->uri);
        $picture_directory = file_build_uri(variable_get('user_picture_path', 'pictures'));

        // Prepare the pictures directory.
        file_prepare_directory($picture_directory, FILE_CREATE_DIRECTORY);
        $destination = file_stream_wrapper_uri_normalize($picture_directory . '/picture-default.' . $info['extension']);

        // Move the temporary file into the final location.
        if ($picture = file_move($picture, $destination, FILE_EXISTS_REPLACE)) {
          $picture->filename = 'picture-default.' . $info['extension'];
          $picture->status = FILE_STATUS_PERMANENT;
          file_save($picture);
          file_usage_add($picture, 'upload_default_avatar', 'user', '0');

          // Set this image to default user picture
          variable_set('user_picture_default', $picture->uri);

          // Remember file ID
          variable_set('upload_default_avatar_fid', $picture->fid);
        }
      }
    }
  }
}

Functions

Name	Description
upload_default_avatar_form_user_admin_settings_alter	Implements hook_form_BASE_FORM_ID_alter().
upload_default_avatar_submit	Submit functoin: 1. remove old image 2. move valid image to pictures destination 3. assign new image to 'user_picture_default'
upload_default_avatar_validate	If image valid upload it to temp dir