hosting_saas_utils.module

<?php

/**
 * Implementation of hook_menu().
 */
function hosting_saas_utils_menu() {
  $items['admin/hosting/saas_utils'] = array(
    'title' => 'SaaS utilities',
    'description' => 'Configure software-as-a-service utilities',
    'page callback' => 'drupal_get_form',
    'page arguments' => array('hosting_saas_utils_settings'),
    'access arguments' => array('administer sites'),
    'type' => MENU_LOCAL_TASK,
  );
  return $items;
}

/**
 * Configuration form for hosting_saas_utils
 *
 * @see hosting_saas_utils_settings_submit
 */
function hosting_saas_utils_settings($form, &$form_state) {
  /* New user / uid1 */
  $user_options = array(1 => t('New user (recommended)'), 0 => t('Admin user (uid1, has all permissions)'));

  $form['hosting_saas_utils_create_new_user'] = array(
    '#type' => 'radios',
    '#title' => t('Client user'),
    '#default_value' => variable_get('hosting_saas_utils_create_new_user', 1),
    '#options' => $user_options,
    '#description' => t('The user to use on the new site.'),
  );

  $form['hosting_saas_utils_user_email'] = array(
    '#type' => 'textfield',
    '#title' => t('Client user email variable'),
    '#description' => t("Enter the variable name that will contain the client user's email. Leave empty to not create or edit a user."),
    '#default_value' => variable_get('hosting_saas_utils_user_email', ''),
    '#required' => FALSE,
  );

  $form['hosting_saas_utils_user_name'] = array(
    '#type' => 'textfield',
    '#title' => t('Client user name variable'),
    '#description' => t("Enter the variable name that will contain the client user's name. Will default to the email variable's value."),
    '#default_value' => variable_get('hosting_saas_utils_user_name', ''),
    '#required' => FALSE,
  );

  $form['hosting_saas_utils_user_role'] = array(
    '#type' => 'textfield',
    '#title' => t('Client user role to assign'),
    '#description' => t("Enter the name of the role to assign to the client user. Leave empty for none."),
    '#default_value' => variable_get('hosting_saas_utils_user_role', NULL),
    '#required' => FALSE,
  );

  $form['hosting_saas_utils_send_email'] = array(
    '#type' => 'checkbox',
    '#title' => t('Send client user a registration email.'),
    '#description' => t('This will use the default user registration message. You can set the message in your template site or enter it in the Variables tab of the site node.'),
    '#default_value' => variable_get('hosting_saas_utils_send_email', 1),
  );

  _hosting_saas_utils_append_variables($form, $form_state);

  $form['submit'] = array(
    '#type' => 'submit',
    '#value' => 'Submit',
  );

  // Can't use system_settings_form() because of the dynamic variables array.
  return $form;
}

/**
 * Helper function to add dynamically generated variable fields.
 */
function _hosting_saas_utils_append_variables(&$form, &$form_state) {
  $form['hosting_saas_utils_variables_fieldset'] = array(
    '#type' => 'fieldset',
    '#title' => t('Variables'),
    '#collapsible' => TRUE,
    '#collapsed' => FALSE,
    '#description' => t("Values to assign to site variables based on POST variables. This allows a 'bridge' from your subscription form to a site's variable. Exemple: whateveryouwant => site_name."),
    '#prefix' => '<div id="hosting-saas-utils-fieldset-wrapper">',
    '#suffix' => '</div>',
  );
  
  if (!isset($form_state['hosting_saas_utils_variables'])) {
    $variables = variable_get('hosting_saas_utils_variables', array());
    foreach ($variables as $key => $values) {
      $form_state['hosting_saas_utils_variables'][] = array('key' => $values['key'], 'name' => $values['name']);
    }

    $form_state['hosting_saas_utils_variables'][] = array('key' => '', 'name' => '');
  }
  else {
    foreach ($form_state['hosting_saas_utils_variables'] as $counter => $variable) {
      if (isset($form_state['values']['hosting_saas_utils_variable_key_' . $counter])) {
        if ($form_state['hosting_saas_utils_variables'][$counter]['key'] <> $form_state['values']['hosting_saas_utils_variable_key_' . $counter] || $form_state['hosting_saas_utils_variables'][$counter]['name'] <> $form_state['values']['hosting_saas_utils_variable_name_' . $counter]) {
          $form_state['hosting_saas_utils_variables'][$counter]['key'] = $form_state['values']['hosting_saas_utils_variable_key_' . $counter];
        }
        if ($form_state['hosting_saas_utils_variables'][$counter]['name'] <> $form_state['values']['hosting_saas_utils_variable_name_' . $counter]) {
          $form_state['hosting_saas_utils_variables'][$counter]['name'] = $form_state['values']['hosting_saas_utils_variable_name_' . $counter];
        }

      }
    }
  }

  foreach ($form_state['hosting_saas_utils_variables'] as $counter => $variable) {
    _hosting_saas_utils_append_variable_fieldset($form, $counter, $variable['key'], $variable['name']);
  }

  _hosting_saas_utils_append_variable_fieldset($form, $counter);

  $form['hosting_saas_utils_variables_fieldset']['add_variable'] = array(
    '#type' => 'submit',
    '#value' => t('Add more'),
    '#submit' => array('hosting_saas_utils_add_variable'),
    '#ajax' => array(
      'callback' => 'hosting_saas_utils_ajax_callback',
      'wrapper' => 'hosting-saas-utils-fieldset-wrapper',
    ),
  );
}

/**
 * Helper function to add a variable set fieldset
 */
function _hosting_saas_utils_append_variable_fieldset(&$form, $index, $variable_key = '', $variable_name = '') {
  $form['hosting_saas_utils_variables_fieldset'][$index] = array(
    '#type' => 'fieldset',
    '#title' => t('Variable set'),
    '#collapsible' => FALSE,
    '#collapsed' => FALSE,
  );
  
  // TODO: If key is supplied, value is mandatory.
  $form['hosting_saas_utils_variables_fieldset'][$index]['hosting_saas_utils_variable_key_' . $index] = array(
    '#type' => 'textfield',
    '#title' => t('Variable POST key'),
    '#description' => t("This is the arbitrary name of the POST argument you will give the variable."),
    '#default_value' => $variable_key,
    '#required' => FALSE,
  );

  $form['hosting_saas_utils_variables_fieldset'][$index]['hosting_saas_utils_variable_name_' . $index] = array(
    '#type' => 'textfield',
    '#title' => t('Drupal variable name'),
    '#description' => t("This is the name of the variable that will be set in the new site using variable_set()."),
    '#default_value' => $variable_name,
    '#required' => FALSE,
  );  
}

function hosting_saas_utils_settings_submit(&$form, &$form_state) {
  $variables = array();
  foreach ($form_state['hosting_saas_utils_variables'] as $index => $val) {
    // index is just the number of the child
    $key = $form_state['values']['hosting_saas_utils_variable_key_' . $index];
    $name = $form_state['values']['hosting_saas_utils_variable_name_' . $index];

    if (!empty($key) && !empty($name)) {
      $variables[$index] = array('key' => $key, 'name' => $name);
    }
  }

  variable_set('hosting_saas_utils_variables', $variables);

  $settings_to_save = array(
    'create_new_user',
    'user_email',
    'user_name',
    'user_role',
    'send_email',
  );

  foreach ($settings_to_save as $setting) {
    $variable_name = 'hosting_saas_utils_' . $setting;
    variable_set($variable_name, $form_state['values'][$variable_name]);
  }
}

/**
 * Callback for both ajax-enabled buttons.
 *
 * Selects and returns the fieldset with the names in it.
 */
function hosting_saas_utils_ajax_callback($form, $form_state) {
  return $form['hosting_saas_utils_variables_fieldset'];
}

/**
 * Submit handler for the "add-more-variable" button.
 *
 * Add empty variable and causes a rebuild.
 */
function hosting_saas_utils_add_variable($form, &$form_state) {
  $form_state['hosting_saas_utils_variables'][] = array('name' => '', 'key' => '');
  $form_state['rebuild'] = TRUE;
}

/**
 *  Imlements hook_hosting_restapi_check_access() to store POST data.
 */
function hosting_saas_utils_hosting_restapi_task_added($task) {
  $bridged_values = variable_get('hosting_saas_utils_bridged_values', array());
  $variables = variable_get('hosting_saas_utils_variables', array());

  $site_variables = array();
  foreach ($variables as $values) {
    if (!empty($_POST[$values['key']])) {
      $site_variables[$values['name']] = $_POST[$values['key']];
    }
  }

  if (!empty($site_variables)) {
    $bridged_values[$task->task_args['new_uri']] = $site_variables;
    variable_set('hosting_saas_utils_bridged_values', $bridged_values);
  }

  _hosting_task_utils_generate_todo($task->task_args['new_uri']);
}

/**
 * Helper function to set variable array.
 */
function _hosting_task_utils_generate_todo($uri) {
  $todo = variable_get('hosting_saas_utils_todo', array());
  $client_user_email_key = variable_get('hosting_saas_utils_user_email', '');
  $client_user_name_key = variable_get('hosting_saas_utils_user_name', '');
  if (!empty($client_user_email_key) && !empty($_POST[$client_user_email_key])) {
    if (!empty($client_user_name_key)) {
      $client_user = array(
        'name' => $_POST[$client_user_name_key],
        'email' => $_POST[$client_user_email_key],
      );
    }
    else {
      $client_user = array(
        'name' => $_POST[$client_user_email_key],
        'email' => $_POST[$client_user_email_key],
      );
    }

    if (variable_get('hosting_saas_utils_create_new_user', 1)) {
      $todo[$uri]['create_new_user'] = $client_user;
    }
    else {
      $todo[$uri]['change_admin_user'] = $client_user;
    }

    $role_name = variable_get('hosting_saas_utils_user_role', '');
    if (!empty($role_name)) {
      $todo[$uri]['set_user_role'] = $role_name;
    }

    $send_email = variable_get('hosting_saas_utils_send_email', FALSE);
    if (!empty($send_email)) {
      $todo[$uri]['send_email'] = TRUE;
    }
  }

  variable_set('hosting_saas_utils_todo', $todo);
}

// hook_insert
function hosting_saas_utils_node_insert($node) {
  $bridged_values = variable_get('hosting_saas_utils_bridged_values', array());

  if ($node->type == 'site' && !empty($bridged_values[$node->title])) {
    hosting_variables_set_site_variables($node->nid, $bridged_values[$node->title]);

    // This variable is meant to be temporary
    unset($bridged_values[$node->title]);
    variable_set('hosting_saas_utils_bridged_values', $bridged_values);
  }
}