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<?php
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// $Id: bookroll.module,v 1.1 2005/11/26 20:14:39 eaton Exp $
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/**
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* @file
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* Enables users to maintain a reading list of books.
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*/
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/**
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* Implementation of hook_help().
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*
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* @param $section
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* provides help for /admin/modules and /admin/help and admin/settings/bookroll.
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*
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* @return
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* A brief message for administrators to explain what this module does
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*/
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function bookroll_help($section) {
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switch ($section) {
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case 'admin/modules#description':
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return t('Provides contributors with a list of books they\'re currently reading.');
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case 'admin/help#bookroll':
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return '<p>'. t('The Amazon Associate Tools module must be installed.') .'</p>';
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case 'admin/settings/bookroll':
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return t('The bookroll module allows users to maintain lists of the books they\'re currently reading, or wish to read.');
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}
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}
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/**
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* Implementation of hook_menu().
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*
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* @return
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* Arrays containing paths to be accessed.
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*/
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function bookroll_menu($may_cache) {
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global $user;
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$items = array();
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if ($may_cache) {
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$items[] = array('path' => 'bookroll/edit', 'title' => t('edit bookroll'),
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'callback' => 'bookroll_edit_page',
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'access' => user_access('maintain bookroll'), // depends on blog.module
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'type' => MENU_CALLBACK);
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$items[] = array('path' => 'bookroll', 'title' => variable_get('bookroll_title', t('Bookroll')),
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'callback' => 'bookroll_page',
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'access' => TRUE,
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'type' => MENU_CALLBACK);
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}
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return $items;
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}
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/**
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* Implementation of hook_perm()
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*/
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function bookroll_perm() {
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return array('maintain bookroll');
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}
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/**
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* Implementation of hook_settings()
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*
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* @return
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* The settings controls
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*/
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function bookroll_settings() {
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$form = array();
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$form['bookroll']['bookroll_title'] = array(
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'#type' => 'textfield',
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'#title' => t('The title used for the bookroll'),
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'#default_value' => variable_get('bookroll_title', 'Reading List'),
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);
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$form['bookroll']['bookroll_description'] = array(
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'#type' => 'textarea',
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'#title' => t('The description of the bookroll, for use on the bookroll page'),
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'#default_value' => variable_get('bookroll_description', t('A community reading list is a run-down of all the books members of this site are currently reading or want to read.')),
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);
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$form['bookroll']['bookroll_block_num'] = array(
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'#type' => 'select',
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'#title' => t('Number of books listed in sidebar'),
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'#default_value' => variable_get('bookroll_block_num', '10'),
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'#options' => drupal_map_assoc(array(5, 10, 15, 20, 25, 30)),
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);
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return $form;
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}
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/**
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* Menu callback; displays the bookroll editing page
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*/
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function bookroll_edit_page() {
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global $user;
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$output = '';
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if ($user->uid) {
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$output = '<p>'. t('Your bookroll is shown on your personal blog\'s page.') .'</p>';
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$output .= bookroll_edit_form($user->uid);
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$output .= bookroll_edit_add_form();
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}
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print theme('page', $output);
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}
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/**
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* Prepare the bookroll display portion of the page
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*/
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function bookroll_edit_form($uid) {
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$output = '<p>'. t('After making changes click \'Update list.\'.') .'</p>';
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// display roll_form with it's table
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$rolls = db_query("SELECT b.uid, b.asin, b.notes, b.status, b.weight FROM {bookroll} b WHERE b.uid = %d ORDER BY b.timestamp DESC, b.weight", $uid);
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while ($roll = db_fetch_object($rolls)) {
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$amazon = _amazon_product_db_data_from_asin($roll->asin);
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$form['old'][$roll->asin]['delete'] = array(
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'#type' => 'checkbox',
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'#default_value' => 0,
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'#return_value' => 1,
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);
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$form['old'][$roll->asin]['update'] = array(
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'#type' => 'checkbox',
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'#default_value' => 0,
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'#return_value' => 1,
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);
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$form['old'][$roll->asin]['title'] = array(
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'#type' => 'markup',
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'#value' => $amazon->title,
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);
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$form['old'][$roll->asin]['notes'] = array(
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'#type' => 'textfield',
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'#maxlength' => 255,
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'#size' => 40,
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'#default_value' => $roll->notes,
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);
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$form['old'][$roll->asin]['status'] = array(
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'#type' => 'select',
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'#default_value' => $roll->status,
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'#options' => bookroll_status_options(),
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);
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$form['old'][$roll->asin]['weight'] = array(
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'#type' => 'weight',
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'#default_value' => $roll->weight,
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);
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}
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$form['#tree'] = true;
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$form['buttons']['submit'] = array(
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'#type' => 'submit',
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'#value' => t('Update list'),
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);
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return drupal_get_form('bookroll_edit', $form);
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}
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/**
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* Prepare the bookroll adding portion of the page
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*/
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function bookroll_edit_add_form() {
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$form = array();
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$form['new']['asin'] = array(
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'#type' => 'textfield',
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'#maxlength' => 20,
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'#size' => 10,
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);
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$form['new']['notes'] = array(
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'#type' => 'textfield',
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'#maxlength' => 255,
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'#size' => 40,
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);
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$form['new']['status'] = array(
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'#type' => 'select',
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'#default_value' => 1,
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'#options' => bookroll_status_options(),
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);
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$form['new']['weight'] = array(
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'#type' => 'weight',
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);
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$form['buttons']['submit'] = array(
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'#type' => 'submit',
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'#value' => t('Add book'),
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);
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return drupal_get_form('bookroll_edit_add', $form);
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}
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function bookroll_status_options() {
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return array(0 => 'Wish list', 1 => 'In the queue', 2 => 'In Progress', 3 => 'Finished');
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}
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function bookroll_edit_add_validate($form_id, $edit) {
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if (!$edit['asin']) {
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form_set_error('asin', t('You must enter an Amazon product ID.'));
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}
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else {
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$saved = save_amazon_data($edit['asin']);
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if (!$saved) {
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form_set_error('asin', t('No data is available for ') . $edit['asin']);
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}
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}
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}
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function bookroll_edit_add_execute($form_id, $edit) {
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global $user;
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$uid = $user->uid;
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// process post data
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if ($edit['asin'] and $edit['notes']) {
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// if ! 404 $edit[url] {};
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db_query("INSERT into {bookroll} values (%d, '%s', '%s', %d, %d, %d)", $uid, $edit['asin'], $edit['notes'], $edit['status'], $edit['weight'], time());
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drupal_set_message( t('The book was added.'));
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cache_clear_all();
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drupal_goto('bookroll/edit');
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}
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}
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function bookroll_edit_execute($form_id, $edit) {
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global $user;
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$uid = $user->uid;
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// process post data
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foreach ($edit['old'] as $asin => $roll) {
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if ($roll['delete'] == 1) {
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db_query("DELETE FROM {bookroll} WHERE uid = '%d' AND asin= '%s'", $uid, $asin);
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} else if ($roll['update'] == 1) {
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db_query("UPDATE {bookroll} b SET b.notes = '%s', b.status = %d, b.weight = %d, b.timestamp = %d WHERE b.uid = '%d' AND b.asin = '%s'", $roll['notes'], $roll['status'], $roll['weight'], time(), $uid, $asin);
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}
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};
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drupal_set_message( t('Your reading list has been updated.'));
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cache_clear_all();
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drupal_goto('bookroll/edit');
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}
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function theme_bookroll_edit_add($form) {
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$output = '<br /><p>'. t('Add a new book to your reading list:') .'</p>';
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$header = array(t('ASIN'), t('Notes'), t('Status'), t('Weight'));
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$row = array();
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$row[] = form_render($form['new']['asin']);
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$row[] = form_render($form['new']['notes']);
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$row[] = form_render($form['new']['status']);
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$row[] = form_render($form['new']['weight']);
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$rows = array($row);
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$output .= theme('table', $header, $rows);
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$output .= form_render($form);
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return $output;
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}
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function theme_bookroll_edit($form) {
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$header = array(t('Delete'), t('Update'), t('Title'), t('Notes'), t('Status'), t('Weight'));
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foreach (element_children($form['old']) as $key) {
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$row = array();
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$row[] = form_render($form['old'][$key]['delete']);
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$row[] = form_render($form['old'][$key]['update']);
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$row[] = form_render($form['old'][$key]['title']);
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$row[] = form_render($form['old'][$key]['notes']);
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$row[] = form_render($form['old'][$key]['status']);
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$row[] = form_render($form['old'][$key]['weight']);
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$rows[] = $row;
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}
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if (!$rows) {
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$rows[] = array(
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array('data' => t('No books listed.'), 'class' => 'no_bookrolls', 'colspan' => '5')
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);
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}
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$output .= theme('table', $header, $rows);
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$output .= form_render($form);
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return $output;
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}
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/**
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* Implementation of hook_block();
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*
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* @param $op
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* Operation 'list' or 'view'. If omitted 'list' is used.
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* @param $delta
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* If omitted, 0 is used.
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*
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* @return a block containing the bookroll
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*/
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function bookroll_block($op = 'list', $delta = 0) {
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global $user;
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switch($op) {
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case ('list'):
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$block[0]['info'] = t('Bookroll');
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return $block;
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case('view'):
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if (user_access('access content')) {
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$output = '<ul>';
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$block['subject'] = variable_get('bookroll_title', t('Bookroll'));
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$rolls = db_query_range('SELECT b.* FROM {bookroll} b ORDER BY b.timestamp DESC', 0, variable_get('bookroll_block_num', 5));
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while ($roll = db_fetch_object($rolls)) {
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$output .= theme('bookroll_item', $roll);
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}
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$output .= '</ul>';
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}
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$output .= '<div class="more-link">';
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if (user_access('maintain bookroll')) {
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$output .= l('edit', 'bookroll/edit', array('title' => t('Edit'))) . ' | ';
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}
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$output .= l('more', 'bookroll', array('title' => t('more')));
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$output .= '</div>';
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$block['content'] = $output;
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}
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return $block;
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}
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/**
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* Menu callback; displays a Drupal page containing all bookrolled blogs
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*/
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function bookroll_page($uid = 0) {
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$output = '<p>'. variable_get('bookroll_description', '') . '</p>';
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$output .= '<ul>';
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$rolls = db_query('SELECT b.* FROM {bookroll} b ORDER BY b.timestamp DESC');
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while ($roll = db_fetch_object($rolls)) {
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$output .= theme('bookroll_page_item', $roll);
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}
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$output .= '</ul>';
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print theme('page', $output);
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}
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/**
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* Inserts an amazon-node record for a given ASIN.
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*/
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function save_amazon_data($asin) {
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$exists_query = db_query("SELECT asin FROM {amazonitem} WHERE asin = '$asin'");
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$exists = db_num_rows($exists_query);
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if (!$exists) {
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$ASIN_data = _amazon_product_data_from_Amazon($asin);
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foreach ($ASIN_data as $product) {
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_to_amazonnode($product);
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}
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$exists = 1;
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}
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return $exists;
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}
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function _amazon_product_db_data_from_asin($asin) {
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$amazondata = db_fetch_object(db_query("SELECT * FROM {amazonitem} a WHERE a.asin = '$asin'"));
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if ($amazondata) {
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$amazondata->author = unserialize($amazondata->author);
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}
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return $amazondata;
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}
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function theme_bookroll_item($roll) {
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$open = '/' .drupal_get_path('module', 'bookroll') . '/open-book.png';
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$closed = '/' . drupal_get_path('module', 'bookroll') . '/closed-book.png';
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if ($roll->status == 2) {
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$style = 'style="list-style-image: url(' . $open . '); margin-left: 10px;" ';
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}
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else {
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$style = 'style="list-style-image: url(' . $closed . '); margin-left: 10px;" ';
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}
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$amazon = _amazon_product_db_data_from_asin($roll->asin);
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$output .= '<li ' . $style .'><a href="'. $amazon->detailpageurl .'" title="' . $roll->notes . '"><i>'. $amazon->title . '</i></a></li>';
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return $output;
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}
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function theme_bookroll_page_item($roll) {
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$open = '/' .drupal_get_path('module', 'bookroll') . '/open-book.png';
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$closed = '/' . drupal_get_path('module', 'bookroll') . '/closed-book.png';
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$user_object = user_load(array('uid' => $roll->uid));
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if ($roll->status == 2) {
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$style = 'style="list-style-image: url(' . $open . '); margin-left: 10px;" ';
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}
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else {
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$style = 'style="list-style-image: url(' . $closed . '); margin-left: 10px;" ';
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}
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$amazon = _amazon_product_db_data_from_asin($roll->asin);
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$output .= '<li ' . $style .'><a href="'. $amazon->detailpageurl .'" title="' . $roll->notes . '"><i>'. $amazon->title . '</i></a> by '. implode(', ',$amazon->author);
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$output .= '<br>' . theme('username', $user_object) . ': ' . $roll->notes . '</li>';
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return $output;
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}
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