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<?php
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// $Id$
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/**
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* @file custom_review.module
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*
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* This module provides a way to make reviews (which are actually cck-types we can call reviewers) accessible from
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* a block on other nodes.
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*
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*/
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/**
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* Caches the array for binding reviewer_node_types and reviewed_node_types.
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*/
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global $_custom_review_reviewers;
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/****************************/
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/*** Module hooks section ***/
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/****************************/
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/**
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* Implementation of hook_help().
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*/
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function custom_review_help($path, $arg) {
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switch ($path) {
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case 'admin/help#custom_review':
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case 'admin/modules#description':
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return t('allow people to do custom typed (cck-types) review on nodes');
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}
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}
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/**
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* Implementation of hook_menu().
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*/
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function custom_review_menu() {
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$items['admin/settings/custom_review'] = array(
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'title' => 'Custom review',
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'description' => 'Custom review bind',
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'page callback' => 'drupal_get_form',
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'page arguments' => array('custom_review_binding_form'),
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'access arguments' => user_access('administer custom review')
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);
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return $items;
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}
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/**
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* Implementation of hook_nodeapi().
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*/
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function custom_review_nodeapi(&$node, $op, $teaser = NULL, $page = NULL) {
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global $_custom_review_reviewers;
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global $user;
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if (empty($_custom_review_reviewers)) {
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$_custom_review_reviewers = custom_review_get_reviewers();
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}
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if ($op == 'delete') {
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//be responsible, if a node reviewee is deleted, also delete the reviews!
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db_query("DELETE FROM {custom_reviews} WHERE nid = %d", $node->nid);
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}
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if (array_key_exists($node->type, $_custom_review_reviewers)) {
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switch ($op) {
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case 'delete':
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if (is_numeric($node->nid)) {
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//here nid is actually a rid.
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$reviewed_id = custom_review_get_reviewed_node($node->nid);
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db_query("DELETE FROM {custom_reviews} WHERE rid = %d", $node->nid);
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drupal_goto('node/'. $reviewed_id);
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}
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break;
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case 'insert':
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db_query("INSERT INTO {custom_reviews} (rid, nid) VALUES (%d, %d)", $node->nid, arg(3));
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drupal_set_message(t('Your review has been posted'));
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drupal_goto('node/'. arg(3));
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break;
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case 'update':
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$reviewed_id = custom_review_get_reviewed_node($node->nid);
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drupal_goto('node/'. $reviewed_id);
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break;
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case 'view':
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//find node reviewed nid
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global $base_url;
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drupal_add_css(drupal_get_path('module', 'custom_review') .'/custom_review.css');
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$node_reviewed = node_load(custom_review_get_reviewed_node($node->nid));
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$node_reviewed = node_build_content($node_reviewed, TRUE, $page);
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//dump($node_reviewed);
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$node->content['reviewed_node'] = array(
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'#prefix' => "<div id='reviewed-node-". $node_reviewed->nid ."' class='reviewed-node'>
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<a href='$base_url/node/$node_reviewed->nid' class='reviewed-link'>",
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'#suffix' => "</a></div>",
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'#value' => l($node_reviewed->title, 'node/'. $node_reviewed->nid) . drupal_render($node_reviewed->content),
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'#weight' => -5,
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);
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}
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}
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}
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/**
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* Implementation of hook_perm()
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*
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* There is no need of create custom review perm, because of the create content (node type)
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* already existing perm
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*/
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function custom_review_perm() {
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return array('administer custom review');
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}
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/**
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* Implementation of hook_block
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*/
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function custom_review_block() {
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global $user;
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$blocks['actions'] = array(
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'info' => t('Custom review: links to reviews'),
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'description' => t('My reviews'),
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'cache' => BLOCK_NO_CACHE // Not worth caching.
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);
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return $blocks;
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}
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/**
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* Implementation of hook_block
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*/
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function custom_review_block_actions() {
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global $user;
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if ($menu = menu_tree()) {
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$block['subject'] = '';
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$block['content'] = custom_review_build_special_form();
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return $block;
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}
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}
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/**
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* Implementation of hook_form_alter()
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*
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* @param $form_id
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* @param &$form
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*/
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function custom_review_form_alter(&$form, &$form_state, $form_id) {
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global $_custom_review_reviewers;
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if (empty($_custom_review_reviewers)) {
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$_custom_review_reviewers = custom_review_get_reviewers();
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}
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$short_type = substr($form_id, 0, -10); // 'short_type_node_form' => 'short_type'
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if (array_key_exists($short_type, $_custom_review_reviewers)) {
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//dump($form_state);
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//if add form: take the argument url passed from reviewed node
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//if edit form: take the reviewed from the review id
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if (arg(1) == 'add') {
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$reviewed_id = arg(3);
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}
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else if (arg(2) == 'edit') {
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$reviewed_id = custom_review_get_reviewed_node($form['nid']['#value']);
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}
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$node = node_load($reviewed_id);
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$node = node_build_content($node, TRUE, FALSE);
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$content = drupal_render($node->content);
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$form['#validate'][] = 'custom_review_form_validate';
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$form['custom_review_node'] = array(
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'#type' => 'fieldset',
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'#weight' => -10,
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'#title' => t("Currently reviewing: ") . t($node->title),
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'#collapsible' => TRUE,
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'#collapsed' => TRUE,
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);
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$form['custom_review_node']['node_reviewed'] = array(
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'#value' => $content,
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);
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$form['cancel'] = array(
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'#type' => 'submit',
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'#value' => t('Cancel'),
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'#weight' => -9,
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);
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}
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}
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/**
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* Implementation of hook_form_validate()
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*
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* @param $form_id
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* @param $form_values
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*/
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function custom_review_form_validate($form, &$form_state) {
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// Go back to the initial node if user_cancel
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global $_custom_review_reviewers;
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if (empty($_custom_review_reviewers)) {
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$_custom_review_reviewers = custom_review_get_reviewers();
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}
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$short_type = substr($form_id, 0, -10); // 'short_type_node_form' => 'short_type'
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if (array_key_exists($short_type, $_custom_review_reviewers) && is_numeric(arg(3))) {
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if ($form_states['values']['op'] == t('Cancel')) {
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drupal_set_message(t('Cancel review operation'));
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drupal_goto('node/'. arg(3));
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}
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}
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}
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/****************************/
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/*** Module Forms section ***/
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/****************************/
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/**
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* Creates the form to be used in the block "actions"
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*
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* @return $form
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*/
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function custom_review_block_action_form(&$form_state) {
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$form = array();
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$form['custom_reviews'] = array(
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'#type' => fieldset,
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'#title' => t('Custom reviews'),
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'#collapsible' => TRUE,
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'#collapsed' => FALSE,
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);
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if (!empty($options['add'])) {
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$form['custom_reviews']['add_reviews'] = array(
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'#type' => 'select',
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'#options' => $form_state['add'],
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);
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$form['custom_reviews']['add_submit'] = array(
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'#type' => 'submit',
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'#value' => t('Add review'),
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);
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}
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if (!empty($options['edit'])) {
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$form['custom_reviews']['edit_reviews'] = array(
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'#type' => 'select',
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'#options' => $form_state['edit'],
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);
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$form['custom_reviews']['edit_submit'] = array(
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'#type' => 'submit',
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'#value' => t('Edit review'),
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);
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}
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return $form;
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}
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/**
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* On submission of the form block_action...
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*
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* @param unknown_type $form_values
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*/
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function custom_review_block_action_form_submit($form, &$form_state) {
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global $user;
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if (!$user->uid) {
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drupal_goto('user/register');
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}
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if (($form_state['values']['op'] == t('Add review')) && user_access("create ". $form_state['add_reviews'] ." content")) {
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//the user is trying to add a custom review
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drupal_goto('node/add/'. $form_state['values']['add_reviews'] .'/'. arg(1));
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}
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else if (($form_state['values'] == t('Edit review')) && user_access("edit own ". _custom_review_node_type($form_state['values']['edit_reviews']) ." content")) {
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//the user is trying to edit one of its custom review
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drupal_goto('node/'. $form_state['values']['edit_reviews'] .'/edit/'. arg(1));
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}
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}
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/**
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* Administration form to bind reviewers node types to reviewed node types...
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*
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* @param $form
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*/
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function custom_review_binding_form(&$form_state) {
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global $_custom_review_reviewers;
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if (empty($_custom_review_reviewers)) {
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$_custom_review_reviewers = custom_review_get_reviewers();
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}
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$form['#prefix'] = "This form allows you to plug some node-types as node - reviewers for other node - types.<br/>
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Usually, you need first to create specific CCK - types, and then to plug these types onto some other nodes, using
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this form.";
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foreach (node_get_types('names') as $key => $val) {
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$form['custom_review_bind_'. $key] = array(
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'#type' => 'fieldset',
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'#title' => t('Specify reviewed types for the reviewer tool: '. $val),
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'#collapsible' => TRUE,
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'#collapsed' => !array_key_exists($key, $_custom_review_reviewers),
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);
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$form['custom_review_bind_'. $key]['custom_review_reviewer_bind_'. $key] = array(
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'#prefix' => "<div style='float:left;'>",
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'#type' => 'checkbox',
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'#title' => 'Use reviewer: '. $val,
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'#default_value' => array_key_exists($key, $_custom_review_reviewers),
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'#suffix' => "</div>",
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);
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$custom_reviewed = array();
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if ($_custom_review_reviewers[$key]) {
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foreach (node_get_types('names') as $key_node_type => $val_node_type) {
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if (in_array($key_node_type, $_custom_review_reviewers[$key])) {
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$custom_reviewed[$key_node_type] = $key_node_type;
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}
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else {
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$custom_reviewed[$key_node_type] = 0;
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}
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}
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}
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$form['custom_review_bind_'. $key]['custom_review_reviewed_bind_'. $key] = array(
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'#prefix' => "<div style='float:left;margin-left:20px;'>",
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'#type' => 'checkboxes',
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'#title' => 'To review',
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'#default_value' => $custom_reviewed,
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'#options' => node_get_types('names'),
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'#suffix' => "</div>",
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);
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$form['custom_review_bind_'. $key]['submit_'. $key] = array(
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'#prefix' => "<div style='float:left;margin-left:50px;margin-top:30px;'>",
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'#name' => 'submit',
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'#type' => 'submit',
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'#value' => t('Submit binding'),
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'#suffix' => "</div>",
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);
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}
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$form['submit'] = array(
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'#name' => 'submit',
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'#type' => 'submit',
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'#value' => t('Submit binding') ,
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);
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return $form;
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}
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/**
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| 335 |
* Submit action for administrators
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*
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* @param $form_values
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*/
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| 339 |
function custom_review_binding_form_submit($form, &$form_state) {
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global $_custom_review_reviewers;
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| 342 |
if (empty($_custom_review_reviewers)) {
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$_custom_review_reviewers = custom_review_get_reviewers();
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}
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$created_reviews = array();
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| 347 |
if (empty($form_state['values'])) {
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}
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else {
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foreach ($form_state['values'] as $key_form_value => $val_form_value) {
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$reviewed_array_name = '';
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$reviewer_name = '';
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| 354 |
if (strstr($key_form_value, 'custom_review_reviewer_bind_')) {
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//it's a reviewer
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$reviewed_array_name = str_replace('_reviewer_bind', '_reviewed_bind', $key_form_value);
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$reviewer_name = substr($key_form_value, 28);
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}
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| 359 |
if ($reviewer_name && $val_form_value) {
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| 360 |
//it's a reviewer not null
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| 361 |
foreach ($form_state['values'][$reviewed_array_name] as $key_reviewed_type => $val_reviewed_type) {
|
| 362 |
if ($val_reviewed_type) {
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| 363 |
//its a reviewer-reviewed not null
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| 364 |
//check if insertion is required
|
| 365 |
if (array_key_exists($reviewer_name, $_custom_review_reviewers) && in_array($key_reviewed_type, $_custom_review_reviewers[$reviewer_name])) {
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| 366 |
//if reviewer_node_type/reviewed_node_type is already in the database ($custom_review) :
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| 367 |
//do nothing
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| 368 |
}
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| 369 |
else {
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| 370 |
//insert only one item
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| 371 |
$sql = db_query("INSERT INTO {custom_review_types} VALUES ('%s','%s')", $reviewer_name, $key_reviewed_type);
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| 372 |
}
|
| 373 |
}
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| 374 |
else {
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| 375 |
//its a reviewer not null && a reviewed null
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| 376 |
//check if deletion is required
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| 377 |
if (array_key_exists($reviewer_name, $_custom_review_reviewers) && in_array($key_reviewed_type, $_custom_review_reviewers[$reviewer_name])) {
|
| 378 |
//if reviewer_node_type/reviewed_node_type is in the database ($custom_review) :
|
| 379 |
//delete only one item
|
| 380 |
$sql = db_query("DELETE FROM {custom_review_types} WHERE reviewer_node_type = '%s'
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| 381 |
AND reviewed_node_type = '%s'", $reviewer_name, $key_reviewed_type);
|
| 382 |
}
|
| 383 |
}
|
| 384 |
}
|
| 385 |
}
|
| 386 |
else if ($reviewer_name && !$val_val_value) {
|
| 387 |
//it's a reviewer null
|
| 388 |
//check if deletion is required
|
| 389 |
if (array_key_exists($reviewer_name, $_custom_review_reviewers)) {
|
| 390 |
//if reviewer_node_type is in the database ($custom_review) : delete (may delete many items)
|
| 391 |
$sql = db_query("DELETE FROM {custom_review_types} WHERE reviewer_node_type = '%s'", $reviewer_name);
|
| 392 |
}
|
| 393 |
}
|
| 394 |
}
|
| 395 |
}
|
| 396 |
drupal_set_message('Modifications done');
|
| 397 |
}
|
| 398 |
|
| 399 |
|
| 400 |
/****************************/
|
| 401 |
/**** Business functions ****/
|
| 402 |
/****************************/
|
| 403 |
|
| 404 |
/**
|
| 405 |
* Get the node being reviewed
|
| 406 |
*
|
| 407 |
* @param $node
|
| 408 |
* the review
|
| 409 |
* @return nid of the node being reviewed
|
| 410 |
*/
|
| 411 |
function custom_review_get_reviewed_node($node) {
|
| 412 |
if (is_object($node)) {
|
| 413 |
$node = $node->nid;
|
| 414 |
}
|
| 415 |
$sql = db_query("SELECT nid FROM {custom_reviews} WHERE rid = %d", $node);
|
| 416 |
$result = db_fetch_object($sql);
|
| 417 |
|
| 418 |
return $result->nid;
|
| 419 |
}
|
| 420 |
/**
|
| 421 |
* Get all the reviewers names
|
| 422 |
*
|
| 423 |
* @return $_custom_review_reviewers
|
| 424 |
* $_custom_review_reviewers is also a global var which is written by this function
|
| 425 |
*/
|
| 426 |
function custom_review_get_reviewers() {
|
| 427 |
$sql = db_query("SELECT * FROM {custom_review_types} ORDER BY reviewer_node_type");
|
| 428 |
$_custom_review_reviewers = array();
|
| 429 |
while ($result = db_fetch_array($sql)) {
|
| 430 |
$_custom_review_reviewers[$result['reviewer_node_type']][] = $result['reviewed_node_type'];
|
| 431 |
}
|
| 432 |
return $_custom_review_reviewers;
|
| 433 |
}
|
| 434 |
/**
|
| 435 |
* Give all the possible reviewer types on a node,
|
| 436 |
* and also declares if the user has already used the reviewer type for making his review
|
| 437 |
*
|
| 438 |
* @param $nid
|
| 439 |
* @param $uid
|
| 440 |
* [optional]: if not specified, take the current's user account
|
| 441 |
*/
|
| 442 |
function custom_review_user_can_review_node($nid, $uid = 0) {
|
| 443 |
if (!$uid) {
|
| 444 |
global $user;
|
| 445 |
$uid = $user->uid;
|
| 446 |
}
|
| 447 |
//get all the possible reviewer types
|
| 448 |
|
| 449 |
$reviewers = custom_review_node_get_reviewers($nid);
|
| 450 |
if (is_array($reviewers) && !empty($reviewers)) {
|
| 451 |
foreach ($reviewers as $key => $val) {
|
| 452 |
$sql = "SELECT CR.rid as rid, N.title as title FROM {node} N, {custom_reviews} CR WHERE
|
| 453 |
CR.nid = %d AND CR.rid = N.nid AND N.uid = %d AND N.type = '%s'";
|
| 454 |
$result = db_fetch_object(db_query($sql, $nid, $uid, $val));
|
| 455 |
$reviewers[$key] = $result;
|
| 456 |
}
|
| 457 |
}
|
| 458 |
|
| 459 |
return $reviewers;
|
| 460 |
}
|
| 461 |
/**
|
| 462 |
* Give all the possible reviewers types of a node (or node type)
|
| 463 |
*
|
| 464 |
* @param $node
|
| 465 |
* @return an array of possible reviewers
|
| 466 |
*/
|
| 467 |
function custom_review_node_get_reviewers($node) {
|
| 468 |
if (is_numeric($node)) {
|
| 469 |
$sql = db_query("SELECT custom_review_types.reviewer_node_type FROM {custom_review_types}, {node}
|
| 470 |
WHERE node.nid = %d AND node.type = custom_review_types.reviewed_node_type", $node);
|
| 471 |
}
|
| 472 |
elseif (is_object($node)) {
|
| 473 |
$sql = db_query("SELECT custom_review_types.reviewer_node_type FROM {custom_review_types}, {node}
|
| 474 |
WHERE node.nid = %d AND node.type = custom_review_types.reviewed_node_type", $node->nid);
|
| 475 |
}
|
| 476 |
else if (is_string($node)) { //node->type!
|
| 477 |
$sql = db_query("SELECT reviewer_node_type FROM {custom_review_types} WHERE reviewed_node_type = '%s'", $node);
|
| 478 |
}
|
| 479 |
|
| 480 |
$reviewers = array();
|
| 481 |
while ($result = db_fetch_array($sql)) {
|
| 482 |
$reviewers[$result['reviewer_node_type']] = $result['reviewer_node_type'];
|
| 483 |
}
|
| 484 |
return $reviewers;
|
| 485 |
}
|
| 486 |
/**
|
| 487 |
* Explains if a node is reviewable or not
|
| 488 |
*
|
| 489 |
* @param $node
|
| 490 |
* (nid)
|
| 491 |
* @return boolean
|
| 492 |
*/
|
| 493 |
function custom_review_node_is_reviewable($node) {
|
| 494 |
if (is_numeric($node)) {
|
| 495 |
$result = db_fetch_object(db_query("SELECT COUNT(custom_review_types.reviewed_node_type) as num FROM {node},
|
| 496 |
{custom_review_types} WHERE node.nid = %d AND node.type = custom_review_types.reviewed_node_type", $node));
|
| 497 |
return $result->num;
|
| 498 |
}
|
| 499 |
if (is_object($node)) {
|
| 500 |
return custom_review_node_is_reviewable($node->nid);
|
| 501 |
}
|
| 502 |
return FALSE;
|
| 503 |
}
|
| 504 |
/**
|
| 505 |
* Check if a node is a reviewer type or not
|
| 506 |
*
|
| 507 |
* @param $node
|
| 508 |
* @return boolean
|
| 509 |
* @deprecated
|
| 510 |
*/
|
| 511 |
function custom_review_is_reviewer_type($node) {
|
| 512 |
global $_custom_review_reviewers;
|
| 513 |
|
| 514 |
if (empty($_custom_review_reviewers)) {
|
| 515 |
$_custom_review_reviewers = custom_review_get_reviewers();
|
| 516 |
}
|
| 517 |
if (is_numeric($node)) {
|
| 518 |
//to be completed, need a query to get the node type from its nid
|
| 519 |
}
|
| 520 |
else if (is_object($node)) {
|
| 521 |
if (is_string($node->type)) {
|
| 522 |
return custom_review_is_reviewer_type($node->type);
|
| 523 |
}
|
| 524 |
if (is_numeric($node->nid)) {
|
| 525 |
return custom_review_is_reviewer_type($node->nid);
|
| 526 |
}
|
| 527 |
}
|
| 528 |
else if (is_string($node)) {
|
| 529 |
return array_key_exists($node, $_custom_review_reviewers);
|
| 530 |
}
|
| 531 |
|
| 532 |
return FALSE;
|
| 533 |
}
|
| 534 |
|
| 535 |
|
| 536 |
/*****************************/
|
| 537 |
/** Internal module section **/
|
| 538 |
/*****************************/
|
| 539 |
/**
|
| 540 |
* Render the special form
|
| 541 |
*/
|
| 542 |
function custom_review_build_special_form() {
|
| 543 |
if ((is_numeric(arg(1))) && (custom_review_node_is_reviewable(arg(1)))) {
|
| 544 |
$options = array();//add/edit reviews
|
| 545 |
|
| 546 |
foreach (custom_review_user_can_review_node(arg(1)) as $reviewer => $review) {
|
| 547 |
if (is_object($review)) {
|
| 548 |
//the user has already done a review with this reviewer on this node
|
| 549 |
$options['edit'][$review->rid] = (strlen($review->title) < 18) ? $review->title : substr($review->title, 0, 15) ."...";
|
| 550 |
}
|
| 551 |
else {
|
| 552 |
$reviewer_title = db_fetch_object(db_query("SELECT name FROM {node_type} WHERE type = '%s'", $reviewer));
|
| 553 |
$reviewer_title = (strlen($reviewer_title->name) < 18) ? $reviewer_title->name : substr($reviewer_title->name, 0, 15) ."...";
|
| 554 |
$options['add'][$reviewer] = $reviewer_title;
|
| 555 |
}
|
| 556 |
}
|
| 557 |
return $content = drupal_get_form('custom_review_block_action_form', $options);
|
| 558 |
}
|
| 559 |
return '';
|
| 560 |
}
|
| 561 |
/**
|
| 562 |
* Render a node type
|
| 563 |
*
|
| 564 |
* @param $nid
|
| 565 |
* @return type
|
| 566 |
*/
|
| 567 |
function _custom_review_node_type($nid) {
|
| 568 |
$sql = db_query("SELECT type FROM {node} WHERE nid = %d", $nid);
|
| 569 |
$result = db_fetch_object($sql);
|
| 570 |
return $result->type;
|
| 571 |
}
|
| 572 |
/**
|
| 573 |
* Render a node reviewed original nid (reviewed node)
|
| 574 |
*
|
| 575 |
* @param $rid
|
| 576 |
* @return nid
|
| 577 |
*/
|
| 578 |
function _custom_review_get_nid($rid) {
|
| 579 |
$sql = db_query("SELECT custom_reviews.nid as nid FROM {custom_reviews} WHERE custom_reviews.rid = %d", $rid);
|
| 580 |
$result = db_fetch_object($sql);
|
| 581 |
|
| 582 |
return $result->nid;
|
| 583 |
}
|
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