paypal_donate.module in Paypal Donation 6

File

paypal_donate.module

<?php

/**
* @copyright (c) People's Playground Development team.
* @version 1.0
* @author Johnny Mast <[e-mail]>
* @since Version 1.0
*/

/**
* Sets the information about the content-type so Drupal can display it 
* on the create content page.
*
* @since 1.0
* @return array with content-type information.
*/
function paypal_donate_node_info() {
  return array(
    'paypal_page' => array(
      'name' => t('Paypal donate page'),
      'module' => 'paypal_donate',
      'description' => t('Allow your users to leave you a donation'),
    ),
  );
}

/**
* Determine if the given user has access to this given object. (System hook)
*
* @since 1.0
* @param $op       string  The operation to be performed
* @param $node     integer The node on which the operation is to be performed, or, if it does not yet exist, the type of node to be created.
* @param $account  array A user object representing the user for whom the operation is to be performed.
* @return bool  user has access true or false.
*/
function paypal_donate_access($op, $node, $account) {
  if ($op == 'create') {

    // Only users with permission to do so may create this node type.
    return user_access('create paypal_page', $account);
  }
  if ($op == 'update' || $op == 'delete') {
    if (user_access('edit own paypal_page', $account) && $account->uid == $node->uid) {
      return TRUE;
    }
  }
}

/**
* Define all themes used in this module. These theme items
* can be used in the module here using the theme function.
*
* @since 1.0
* @return array with theme information
*/
function paypal_donate_theme() {
  $items = array();
  $items['paypal_form'] = array(
    'template' => 'paypal_form',
    'arguments' => array(
      'node' => NULL,
    ),
  );
  return $items;
}

/**
* This function is called with every node event. In this case we use this function to render 
* the Paypal form on the user side of the website (So on watching the content). It will precent
* the Paypal button for users to donate money to the website.
* 
* @since 1.0
* @see http://api.drupal.org/api/function/hook_nodeapi/6
*/
function paypal_donate_nodeapi(&$node, $op, $a3 = NULL, $a4 = NULL) {
  if (user_access('access content')) {
    if ($op == 'alter') {
      if ($node->type == 'paypal_page') {
        $node->body = theme('paypal_form', $node);
        return NULL;
      }
    }
  }
}

/**
* This function returns the form that will displayed on the content creation page.
*
* @since 1.0
* @param $node object to pass the values to the form.
* @return array form with node settings.
*/
function paypal_donate_form(&$node) {
  $type = node_get_types('type', $node);
  $form['title'] = array(
    '#type' => 'textfield',
    '#title' => t('Donation title'),
    '#required' => TRUE,
    '#default_value' => $node->title,
    '#weight' => -5,
  );
  $form['body_filter']['body'] = array(
    '#type' => 'textarea',
    '#title' => t('Donation body'),
    '#default_value' => $node->body,
    '#required' => FALSE,
    '#weight' => 1,
  );
  $form['body_filter']['filter'] = filter_form($node->format);
  $form['account'] = array(
    '#type' => 'textfield',
    '#title' => t('Paypal account email'),
    '#required' => FALSE,
    '#default_value' => $node->paypal_account,
    '#weight' => 2,
  );
  return $form;
}

/**
* This is a hook used by node / Content-type modules. It is called to allow the module a chance to load extra 
* information that it stores about a node, or possibly replace already loaded information.
*
* @since 1.0
* @param $node object the node to load from the database.
* @return void
*/
function paypal_donate_load($node) {
  return db_fetch_object(db_query("SELECT * FROM {paypal_donate} WHERE nid='%s'", $node->nid));
}

/**
* This hook is triggered when a node of type 'paypal_donate' has been saved.
* This function will insert a new record into the database.
*
* @since 1.0
* @param $node object the node to load from the database.
* @return void
*/
function paypal_donate_insert($node) {
  return db_query("INSERT INTO {paypal_donate} SET nid='%s', paypal_account='%s'", $node->nid, $node->account);
}

/**
* This hook is triggered when a node of type 'paypal_donate' has been updated.
* This function will update an existing record in the database.
*
* @since 1.0
* @param $node object the node to load from the database.
* @return void
*/
function paypal_donate_update($node) {
  if ($node->nid > 0) {
    return db_query("UPDATE {paypal_donate} SET paypal_account='%s' WHERE nid='%s'", $node->account, $node->nid);
  }
  else {

    /* This else should never be executed */
    paypal_donate_save($node);
  }
}

/**
* This hook is triggered when a node of type 'paypal_donate' well be deleted.
* This function will delete an existing record from the database.
*
* @since 1.0
* @param $node object the node to load from the database.
* @return void
*/
function paypal_donate_delete($node) {
  if ($node->nid > 0) {
    return db_query("DELETE FROM {paypal_donate} WHERE nid='%s'", $node->nid);
  }
}

Functions

Name	Description
paypal_donate_access	Determine if the given user has access to this given object. (System hook)
paypal_donate_delete	This hook is triggered when a node of type 'paypal_donate' well be deleted. This function will delete an existing record from the database.
paypal_donate_form	This function returns the form that will displayed on the content creation page.
paypal_donate_insert	This hook is triggered when a node of type 'paypal_donate' has been saved. This function will insert a new record into the database.
paypal_donate_load	This is a hook used by node / Content-type modules. It is called to allow the module a chance to load extra information that it stores about a node, or possibly replace already loaded information.
paypal_donate_nodeapi	This function is called with every node event. In this case we use this function to render the Paypal form on the user side of the website (So on watching the content). It will precent the Paypal button for users to donate money to the website.
paypal_donate_node_info	Sets the information about the content-type so Drupal can display it on the create content page.
paypal_donate_theme	Define all themes used in this module. These theme items can be used in the module here using the theme function.
paypal_donate_update	This hook is triggered when a node of type 'paypal_donate' has been updated. This function will update an existing record in the database.