<?php
/**
 * SOPAC is The Social OPAC: a Drupal module that serves as a wholly integrated web OPAC for the Drupal CMS
 * This file contains the Drupal include functions for all the SOPAC admin pieces and configuration options
 * This file is called via hook_user
 *
 * @package SOPAC
 * @version 2.0
 * @author John Blyberg
 */


function sopac_personal_overview_page() {
	global $user;
	
	$num_reviews = 3;
	$num_ratings = 5; // TODO make these all configurable.
	$num_tags = 100;
	
	$insurge = new insurge_client;
	$locum = new locum_client;

	// Pull together the reviews
	$reviews = $insurge->get_reviews($user->uid, NULL, NULL, $num_reviews);
	if ($reviews[total]) {
		$i = 0;
		$rev_bnums = array();
		foreach ($reviews[reviews] as $insurge_review) {
			$rev_arr[$i][rev_id] = $insurge_review[rev_id];
			$rev_arr[$i][bnum] = $insurge_review[bnum];
			$rev_arr[$i][uid] = $user->uid;
			$rev_arr[$i][timestamp] = $insurge_review[rev_create_date];
			$rev_arr[$i][rev_title] = $insurge_review[rev_title];
			$rev_arr[$i][rev_body] = $insurge_review[rev_body];
			if (!in_array($insurge_review[bnum], $rev_bnums)) { $rev_bnums[] = $insurge_review[bnum]; }
			$i++;
		}
	}
	$review_norev = '<div class="overview-nodata">You have not written any reviews yet.</div>';
	$rev_bib_info = $locum->get_bib_items_arr($rev_bnums);
	$review_display = theme('sopac_review', $user, NULL, $rev_arr, NULL, NULL, NULL, $review_norev, $rev_bib_info);
	
	// Pull together the ratings
	$ratings_arr_top = $insurge->get_rating_list($user->uid, NULL, $num_ratings, NULL, 'ORDER BY rating DESC, rate_date DESC');
	$ratings_arr_new = $insurge->get_rating_list($user->uid, NULL, $num_ratings, NULL, 'ORDER BY rate_date DESC');
	$ratings_chunk[nodata] = '<div class="overview-nodata">You have not rated any items yet.</div>';
	$ratings_chunk[top][total] = $ratings_arr_top[total];
	$ratings_chunk[top][ratings] = $ratings_arr_top[ratings];
	$ratings_chunk[latest][total] = $ratings_arr_new[total];
	$ratings_chunk[latest][ratings] = $ratings_arr_new[ratings];
	$rate_bnums = array();
	foreach ($ratings_arr_top[ratings] as $rate_arr) {
		if (!in_array($rate_arr[bnum], $rate_bnums)) { $rate_bnums[] = $rate_arr[bnum]; }
	}
	foreach ($ratings_arr_new[ratings] as $rate_arr) {
		if (!in_array($rate_arr[bnum], $rate_bnums)) { $rate_bnums[] = $rate_arr[bnum]; }
	}
	$ratings_chunk[bibs] = $locum->get_bib_items_arr($rate_bnums);
	
	// Pull together the tags
	$tag_arr = $insurge->get_tag_totals($user->uid, NULL, NULL, TRUE, $num_tags);
	if (count($tag_arr)) {
		foreach ($tag_arr as $tag_pair) {
			$tags[$tag_pair[tag]] = $tag_pair[count];
		}
		$tag_cloud = theme_sopac_tag_cloud($tags, 'personal');
	} else {
		$tag_cloud = '<div class="overview-nodata">You have not tagged any items yet.</div>';
	}
	
	$result_page =  theme('sopac_pat_overview', $review_display, $ratings_chunk, $tag_cloud);
	return $result_page;
}

function sopac_ratings_page() {
	global $user;
	
	$insurge = new insurge_client;
	$locum = new locum_client;
	$page_limit = 15; // TODO make this configurable
	$page = isset($_GET['page']) ? $_GET['page'] : 0;
	$offset = ($page_limit * $page);
	
	// Pull together the ratings
	$ratings_arr = $insurge->get_rating_list($user->uid, NULL, $page_limit, $offset, 'ORDER BY rate_date DESC');
	sopac_pager_init($ratings_arr[total], 0, $page_limit);

	$rate_bnums = array();
	foreach ($ratings_arr[ratings] as $rate_arr) {
		if (!in_array($rate_arr[bnum], $rate_bnums)) { $rate_bnums[] = $rate_arr[bnum]; }
	}
	$ratings_arr[bibs] = $locum->get_bib_items_arr($rate_bnums);
	$result_page = theme('sopac_ratings_page', $ratings_arr);
	$result_page .= theme('pager', NULL, $page_limit, 0, NULL, 6);
	return $result_page;
}

function sopac_tags_page_cloud() {
	global $user;
	
	$insurge = new insurge_client;
	$tag_arr = $insurge->get_tag_totals($user->uid, NULL, NULL, TRUE, NULL);
	foreach ($tag_arr as $tag_pair) {
		$tags[$tag_pair[tag]] = $tag_pair[count];
	}
	if (count($tags)) {
		$cloud = theme_sopac_tag_cloud($tags);
	} else {
		$cloud = '<div class="overview-nodata">You have not tagged any items yet.</div>';
	}
	return $cloud;
}

function sopac_tags_page_list() {
	global $user;
	
	$insurge = new insurge_client;
	$tags_res = $insurge->get_tag_totals($user->uid, NULL, NULL, FALSE, NULL, NULL, 'ORDER BY tag ASC');
	foreach ($tags_res as $tag_arr) {
		$tags[$tag_arr[tag][0]][$tag_arr[tag]] = $tag_arr[count];
	}

	if (count($tags)) {
		$result_page = theme('sopac_tags_page', $tags);
	} else {
		$result_page = '<div class="overview-nodata">You have not tagged any items yet.</div>';
	}
	return $result_page;
}

function theme_sopac_tag_block($block_type) {
	global $user;

	$insurge = new insurge_client();
	
	switch($block_type) {
		case 'overview':
			$tag_arr = $insurge->get_tag_totals(NULL, NULL, NULL, TRUE, 100); // TODO make this amount configurable.
			break;
		case 'record':
			$uri_arr = sopac_parse_uri();
			$bnum = $uri_arr[1];
			$bnum_arr[] = $bnum;
			if ($_POST[tag_submit] == '1' && $user->uid && $bnum) {
				if (trim($_POST[tags])) {
					$insurge->submit_tags($user->uid, $bnum, trim($_POST[tags]));
				}
			}
			if ($_GET[deltag] && $bnum && $user->uid) {
				$insurge->delete_user_tag($user->uid, $_GET[deltag], $bnum);
				$new_link = 'http://' . $_SERVER[HTTP_HOST] . '/' . $_GET[q];
				header("Location: $new_link");
			}
			$tag_arr = $insurge->get_tag_totals(NULL, $bnum_arr);
			$tag_arr_user = $insurge->get_tag_totals($user->uid, $bnum_arr, NULL, FALSE, NULL, NULL, 'ORDER BY tag ASC');
			static $put_tag_form = 1;
			static $put_personal_tag_list = 1;
			break;
		case 'personal':
			$tag_arr = $insurge->get_tag_totals($user->uid, NULL, NULL, TRUE, 100); // TODO make this amount configurable.
			break;
	}
	
	if ($user->uid){
		if ($put_tag_form) {
			$block_suffix = '<br /><br />' . drupal_get_form('sopac_tag_form');
		}
	} else {
		if ($put_tag_form) {
			$block_suffix = '<br /><br /><a href="/user/login">Login</a> to add tags.</a>';
		}
	}
	
	if ($user->uid && $put_personal_tag_list && count($tag_arr_user)) {
		$block_suffix .= '<div class="tag-personal-list-head">Your tags</div>';
		$block_suffix .= '<div class="tag-personal-list-block"><ul class="tag-personal-list">';
		foreach ($tag_arr_user as $tag_user) {
			$block_suffix .= '<li class="tag-personal-list-item">' . $tag_user[tag] . ' <span class="tag-personal-list-x">[<a href="?deltag=' . urlencode($tag_user[tag]) . '">x</a>]</li>';
		}
		$block_suffix .= '</ul></div>';
	}
	
	if (count($tag_arr)) {
		foreach ($tag_arr as $tag_pair) {
			$tags[$tag_pair[tag]] = $tag_pair[count];
		}
		$cloud = theme_sopac_tag_cloud($tags, $block_type);
	} else {
		$cloud = 'No tags, currently.';
	}
	$cloud .= $block_suffix;
	
	return $cloud;
}

function sopac_user_tag_edit() {
	global $user;
	
	$pathinfo = explode('/', trim($_GET[q]));
	$tag = $pathinfo[3];
	if ($_GET[ref]) {
		$form['#redirect'] = substr(urldecode($_GET[ref]), 1);
	}
	$form['tagform'] = array(
		'#type' => 'fieldset',
		'#title' => t('Change your tag "' . $tag . '" to something else'),
		'#collapsible' => FALSE,
		'#collapsed' => FALSE,
	);	 
	$form['tagform']['newtag'] = array(
		'#type' => 'textfield',
		'#title' => t('Enter new tag'),
		'#size' => 42,
		'#maxlength' => 255,
		'#default_value' => $tag,
		'#required' => TRUE,
	);
	$form['tagform']['submit'] = array(
		'#type' => 'submit',
		'#value' => t('Edit Tag'),
	);
	$form['tagform']['oldtag'] = array(
		'#type' => 'hidden',
		'#value' => $tag,
	);
	
	return $form;
}

function sopac_user_tag_edit_submit($form, &$form_state) {
	global $user;
	if ($user->uid) {
		$insurge = new insurge_client;
		$insurge->update_tag($form_state[values][oldtag], $form_state[values][newtag], $user->uid);
	}
}

function sopac_user_tag_delete() {
	global $user;
	
	$insurge = new insurge_client;
	$pathinfo = explode('/', trim($_GET[q]));
	$tag = $pathinfo[3];
	$tag_total_arr = $insurge->get_tag_totals($user->uid, NULL, $tag);
	$tag_total = $tag_total_arr[0][count];
	$tag_total_str = ($tag_total > 1) ? $tag_total . ' things' : $tag_total . ' thing';

	drupal_set_message('You have tagged ' . $tag_total_str . ' with "' . $tag . '".  If you delete this tag, it will be removed completely.', 'warning');
	
	if ($_GET[ref]) {
		$form['#redirect'] = substr(urldecode($_GET[ref]), 1);
	}
	$form['tagform'] = array(
		'#type' => 'fieldset',
		'#title' => t('Really delete "' . $tag . '" from your collection?'),
		'#collapsible' => FALSE,
		'#collapsed' => FALSE,
	);	 
	$form['tagform']['submit_y'] = array(
		'#type' => 'submit',
		'#value' => t('Yes'),
	);
	$form['tagform']['submit_n'] = array(
		'#type' => 'submit',
		'#value' => t('No'),
	);
	$form['tagform']['oldtag'] = array(
		'#type' => 'hidden',
		'#value' => $tag,
	);
	
	return $form;
}

function sopac_user_tag_delete_submit($form, &$form_state) {
	global $user;
	
	if (strtolower($form_state[values][op]) == 'yes') {
		if ($user->uid && $form_state[values][oldtag]) {
			$insurge = new insurge_client;
			$insurge->delete_user_tag($user->uid, $form_state[values][oldtag]);
		}
	}
}

function sopac_user_tag_hitlist() {
	global $user;
	
	require_once('sopac_catalog.php');
	$locum = new locum_client;
	$insurge = new insurge_client;
	$page_limit = variable_get('sopac_results_per_page', 20);
	$page = isset($_GET['page']) ? $_GET['page'] : 0;
	$offset = ($page_limit * $page);
	$no_circ = $locum->csv_parser($locum_cfg[location_limits][no_request]);
	$actions = sopac_parse_uri();
	$tag = $actions[2];

	$result_body = '<div class="overview-title">Items tagged with "' . $tag . '"</div><br />';
	$bnum_arr = $insurge->get_tagged_items($user->uid, $tag, $page_limit, $offset);
	sopac_pager_init($bnum_arr[total], 0, $page_limit);
	$result_body .= $result_page .= theme('pager', NULL, $page_limit, 0, NULL, 6) . '<br />';
	$hitnum = $page_offset + 1;
	foreach ($bnum_arr[bnums] as $bnum) {
		$locum_result = $locum->get_bib_item($bnum);
		$item_status = $locum->get_item_status($bnum);
		$locum_result[copies] = $item_status[copies];
		$locum_result[avail_details] = $item_status[details];
		$cover_img_url = $locum_result[cover_img];
		if (!$cover_img_url) {
			$cover_img_url = '/' . drupal_get_path('module', 'sopac') . '/images/nocover.png';
		}
		$result_body .= theme('sopac_results_hitlist', $hitnum, $cover_img_url, $locum_result, $locum->locum_config, $no_circ);
		$hitnum++;
	}
	$result_body .= theme('pager', NULL, $page_limit, 0, NULL, 6);
	
	return $result_body;
}

/**
 * Returns the tag-addition form for adding tags to the system.
 * 
 * @return array Drupal form array.
 */
function sopac_tag_form() {
	$form['tagform'] = array(
		'#type' => 'fieldset',
		'#title' => t('Add tags '),
		'#collapsible' => TRUE,
		'#collapsed' => TRUE,
	);	 
	$form['tagform']['tags'] = array(
		'#type' => 'textfield',
		'#title' => t('Enter your tags'),
		'#size' => 15,
		'#maxlength' => 255,
	);
	$form['tagform']['submit'] = array(
		'#type' => 'submit',
		'#value' => t('Add Tags'),
		'#attributes' => array('class' => 'tagsubmit'),
	);
	$form['tagform']['tag_submit'] = array(
		'#type' => 'hidden',
		'#value' => 1,
	);
	return $form;
}

function theme_sopac_tag_cloud($tags, $cloud_type = 'catalog', $min_size = 10, $max_size = 24, $wraplength = 19) {

	if (!count($tags)) {
		return 'No tags.';
	}

	// largest and smallest array values
	$max_qty = max(array_values($tags));
	$min_qty = min(array_values($tags));

	// find the range of values
	$spread = $max_qty - $min_qty;
	if ($spread == 0) {
		$spread = 1;
	}

	// set the font-size increment
	$step = ($max_size - $min_size) / ($spread);

	// loop through the tag array
	foreach ($tags as $tag => $value) {
		if ($cloud_type == 'personal') {
			$link = '/user/tag/show/' . urlencode($tag);
		} else {
			$link = '/' . variable_get('sopac_url_prefix', 'cat/seek') . '/search/tags/' . urlencode($tag);
		}
		$size = round($min_size + (($value - $min_qty) * $step));
		if ($spread == 1) { $size = $size + 2; }
//		$disp_tag = htmlentities(wordwrap($tag, $wraplength, "-<br />-", 1));
		$disp_tag = htmlentities($tag);
		$cloud .= '<a href="' . $link . '" style="font-size: ' . $size . 'px" title="' . $value . ' things tagged with ' . $tag . '">' . $disp_tag . '</a> ';
	}
	return '<div class="tag-cloud">' . $cloud . '</div>';
}

function sopac_review_page($page_type) {
	global $user;

	$locum = new locum_client;
	$insurge = new insurge_client;
	$page_limit = 5; // TODO make this configurable
	$page = isset($_GET['page']) ? $_GET['page'] : 0;
	$offset = ($page_limit * $page);
	
	switch($page_type) {
		case 'catalog':
			$actions = sopac_parse_uri();
			$bnum = $actions[1];
			$bnum_arr[] = $bnum;
			$item = $locum->get_bib_item($bnum);
			$ratings = theme_sopac_get_rating_stars($bnum);
			$reviews = $insurge->get_reviews(NULL, $bnum_arr, NULL, $page_limit, $offset);
			sopac_pager_init($reviews[total], 0, $page_limit);
			$title = 'Reviews for ' . ucwords($item[title]);
			$no_rev_msg = 'No reviews have been written yet for <i>' . ucwords($item[title]) . '</i>';
			$i = 0;
			foreach ($reviews[reviews] as $insurge_review) {
				$rev_arr[$i][rev_id] = $insurge_review[rev_id];
				$rev_arr[$i][bnum] = $insurge_review[bnum];
				if ($insurge_review[uid]) { $rev_arr[$i][uid] = $insurge_review[uid]; }
				$rev_arr[$i][timestamp] = $insurge_review[rev_create_date];
				$rev_arr[$i][rev_title] = $insurge_review[rev_title];
				$rev_arr[$i][rev_body] = $insurge_review[rev_body];
				$i++;
			}
			if ($item[bnum]) {
				if (!$insurge->check_reviewed($user->uid, $item[bnum]) && $user->uid) {
					$rev_form = drupal_get_form('sopac_review_form', $item[bnum]);
				} else if (!$user->uid) {
					$rev_form = '<div class="review-login"><a href="/user/login">Login</a> to write a review</div>';
				}
				$result_page = theme('sopac_review', $user, $title, $rev_arr, $page_type, $rev_form, $ratings, $no_rev_msg);
				$result_page .= theme('pager', NULL, $page_limit, 0, NULL, 6);
			} else {
				$result_page = 'This record does not exist.';
			}
			break;
		case 'personal':
			$rev_uid = $user->uid;
			$no_rev_msg = 'You have not submitted any reviews yet.';
			$reviewer_name = $user->name;
		case 'user':
			$actions = sopac_parse_uri(FALSE);
			$rev_uid = $rev_uid ? $rev_uid : $actions[2];
			$rev_user = user_load(array('uid' => $rev_uid));
			$no_rev_msg = $no_rev_msg ? $no_rev_msg : $rev_user->name . ' has not submitted any reviews yet.';
			$reviewer_name = $reviewer_name ? $reviewer_name : $rev_user->name;
			$reviews = $insurge->get_reviews($rev_uid, NULL, NULL, $page_limit, $offset);
			sopac_pager_init($reviews[total], 0, $page_limit);
			$title = 'Reviews by ' . $reviewer_name;
			$i = 0;
			$bib_item_arr = array();
			foreach ($reviews[reviews] as $insurge_review) {
				$locum_result = $locum->get_bib_items_arr(array($insurge_review[bnum]));
				$bib_item_arr[(string) $insurge_review[bnum]] = $locum_result[$insurge_review[bnum]];
				$rev_arr[$i][rev_id] = $insurge_review[rev_id];
				$rev_arr[$i][bnum] = $insurge_review[bnum];
				$rev_arr[$i][uid] = $rev_uid;
				$rev_arr[$i][timestamp] = $insurge_review[rev_create_date];
				$rev_arr[$i][rev_title] = $insurge_review[rev_title];
				$rev_arr[$i][rev_body] = $insurge_review[rev_body];
				$i++;
			}
			$result_page .= theme('sopac_review', $user, $title, $rev_arr, $page_type, $rev_form, $ratings, $no_rev_msg, $bib_item_arr);
			$result_page .= theme('pager', NULL, $page_limit, 0, NULL, 6);
			break;
		case 'single':
			$actions = sopac_parse_uri(FALSE);
			$rev_id[] = $actions[2];
			$reviews = $insurge->get_reviews(NULL, NULL, $rev_id);
			sopac_pager_init($reviews[total], 0, $page_limit);
			$no_rev_msg = 'This review does not exist.';
			$i = 0;
			foreach ($reviews[reviews] as $insurge_review) {
				$bib_item_arr = $locum->get_bib_items_arr(array($insurge_review[bnum]));
				$rev_arr[$i][rev_id] = $insurge_review[rev_id];
				$rev_arr[$i][bnum] = $insurge_review[bnum];
				$rev_arr[$i][uid] = $insurge_review[uid];
				$rev_arr[$i][timestamp] = $insurge_review[rev_create_date];
				$rev_arr[$i][rev_title] = $insurge_review[rev_title];
				$rev_arr[$i][rev_body] = $insurge_review[rev_body];
				$i++;
			}
			$result_page = theme('sopac_review', $user, $title, $rev_arr, $page_type, $rev_form, $ratings, $no_rev_msg, $bib_item_arr);
			break;
	}

	return '<p>'. t($result_page) .'</p>';
	
}

function sopac_review_form() {
	global $user;
	
	$pathinfo = explode('/', trim($_GET[q]));
	if ($pathinfo[1] == 'edit') {
		$title = 'Edit this Review';
		$insurge = new insurge_client;
		$rev_id = $pathinfo[2];
		$insurge_review = $insurge->get_reviews($user->uid, NULL, array($rev_id));
		$review = $insurge_review[reviews][0];
		$collapsible = FALSE;
		$collapsed = FALSE;
		$form_type = 'edit';
		$bnum = $review[bnum];
		$form['#redirect'] = substr(urldecode($_GET[ref]), 1);
	} else {
		$title = 'Write a Review!';
		$args = func_get_args();
		$collapsible = TRUE;
		$collapsed = TRUE;
		$form_type = 'new';
		$bnum = $args[1];
	}
	
	$form['revform'] = array(
		'#type' => 'fieldset',
		'#title' => t($title),
		'#collapsible' => $collapsible,
		'#collapsed' => $collapsed,
	);	 
	$form['revform']['rev_title'] = array(
		'#type' => 'textfield',
		'#title' => t('Enter a title for your review'),
		'#size' => 30,
		'#required' => TRUE,
		'#maxlength' => 254,
		'#default_value' => $review[rev_title],
	);
	$form['revform']['rev_body'] = array(
		'#type' => 'textarea',
		'#title' => t('Your review'),
		'#default_value' => $review[rev_body],
		'#required' => TRUE,
		'#rows' => 15,
	);
	$form['revform']['submit'] = array(
		'#type' => 'submit',
		'#value' => t('Submit your Review'),
	);
	$form['revform']['form_type'] = array(
		'#type' => 'hidden',
		'#value' => $form_type,
	);
	$form['revform']['rev_bnum'] = array(
		'#type' => 'hidden',
		'#value' => $bnum,
	);
	if ($rev_id) {
		$form['revform']['rev_id'] = array(
			'#type' => 'hidden',
			'#value' => $rev_id,
		);
	}
	return $form;
}

function sopac_review_form_submit($form, &$form_state) {
	global $user;
	
	if ($user->uid) {
		$insurge = new insurge_client;
		if ($form_state[values][form_type] == 'edit') {
			$insurge->update_review($user->uid, $form_state[values][rev_id], $form_state[values][rev_title], $form_state[values][rev_body]);
		} else if ($form_state[values][form_type] == 'new') {
			$insurge->submit_review($user->uid, $form_state[values][rev_bnum], $form_state[values][rev_title], $form_state[values][rev_body]);
		}
	}
}

function theme_sopac_review_block($block_type) {
	global $user;
	$max_shown = 10; // TODO make this configurable
	$uri = sopac_parse_uri();

	// get_reviews($uid = NULL, $bnum_arr = NULL, $rev_id_arr = NULL, $limit = 10, $offset = 0, $order = 'ORDER BY rev_create_date DESC')
	$insurge = new insurge_client;
	$locum = new locum_client;
	switch ($block_type) {
		case 'personal':
			$reviews = $insurge->get_reviews($user->uid, NULL, NULL, $max_shown);
			$no_rev = 'You have not written any reviews yet.';
			break;
		case 'record':
			$bnum_arr[] = $uri[1];
			$locum_result = $locum->get_bib_item($uri[1]);
			$reviews = $insurge->get_reviews(NULL, $bnum_arr, NULL, $max_shown);
			$no_rev = 'No reviews have been written yet for <i>' . $locum_result[title] . '</i>.';
			break;
		case 'overview':
		default:
			$reviews = $insurge->get_reviews(NULL, NULL, NULL, $max_shown);
			$no_rev = 'No reviews have been written yet.';
			break;
	}
	
	$result_page = '';
	if (count($reviews[reviews])) {
		foreach ($reviews[reviews] as $insurge_review) {
			$locum_result = $locum->get_bib_item($insurge_review[bnum]);
			$title_arr = explode(':', htmlentities($locum_result[title]));
			$title = trim($title_arr[0]);
			$review_link = '/review/view/' . $insurge_review[rev_id];
			$item_link = '/' . variable_get('sopac_url_prefix', 'cat/seek') . '/record/' . $insurge_review[bnum];
			$result_page .= '<div class="review-block-list-item">';
			$result_page .= '<div class="review-block-revtitle"><a href="' . $review_link . '">' . htmlentities($insurge_review[rev_title]) . '</a></div>';
			$result_page .= '<div class="review-block-itemtitle">A review of <span class="review-block-itemtitle-title"><a href="' . $item_link . '">' . $title . '</a></span></div>';
			$result_page .= "</div>\n";
		}
	} else {
		$result_page = $no_rev;
	}
	
	return $result_page;
}

function sopac_delete_review_form() {
	global $user;
	
	$pathinfo = explode('/', trim($_GET[q]));
	$rev_id = $pathinfo[2];
	
	$form['#redirect'] = substr(urldecode($_GET[ref]), 1);
	$form['revform'] = array(
		'#type' => 'fieldset',
		'#title' => t('Do you really want to delete this review?'),
		'#collapsible' => FALSE,
		'#collapsed' => FALSE,
	);
	$form['revform']['submit_y'] = array(
		'#type' => 'submit',
		'#value' => t('Yes'),
	);
	$form['revform']['submit_n'] = array(
		'#type' => 'submit',
		'#value' => t('No'),
	);
	$form['revform']['rev_id'] = array(
		'#type' => 'hidden',
		'#value' => $rev_id,
	);
	
	return $form;
}

function sopac_delete_review_form_submit($form, &$form_state) {
	global $user;
	
	if (strtolower($form_state[values][op]) == 'yes') {
		$insurge = new insurge_client;
		$insurge->delete_review($user->uid, $form_state[values][rev_id]);
	}
}

/**
 * Returns the HTML and JS code for the ratings widget for $bnum
 *
 * @param object $user Drupal user object
 * @param int $bnum Bib number
 * @param float $rating Rating value override
 * @param boolean $show_label Displays the vote count
 * @param boolean $post_redirect Redirect the page back on itself after form submit.  Useful for lists.
 * @return string HTML/JS widget
 */
function theme_sopac_get_rating_stars($bnum, $rating = NULL, $show_label = TRUE, $post_redirect = FALSE, $id = 'default') {
	global $user;
	
	// Load Required JS libraries
	drupal_add_js(drupal_get_path('module', 'sopac') .'/js/jquery.rating.js');
	
	$insurge = new insurge_client;
	$rate_options = array('0.5', '1.0', '1.5', '2.0', '2.5', '3.0', '3.5', '4.0', '4.5', '5.0');

	if ($_POST[$id . '_rating_submit_' . $bnum] && $user->uid) {
		$insurge = new insurge_client;
		$insurge->submit_rating($user->uid, $bnum, $_POST[$id . '_bib_rating_' . $bnum]);
		if ($post_redirect) { header('Location: ' . $_SERVER[REQUEST_URI]); }
	}
	
	if (!$user->uid) {
		$disable_flag = ' disabled="disabled" ';
		$login_string = ' - <a href="/user/login">Login</a> to add yours';
	}
	
	$ratings_info_arr = $insurge->get_rating($bnum);
	if ($rating) {
		$ratings_info_arr[value] = $rating;
	}
	
	$star_code =
	'
	<script>
	$(function(){
		$(\'.hover-star\').rating({
			callback: function(value, link) {
				this.form.submit();
			},
			required: true,
			half: true
		});
	});
	</script>
	<form method="post" name="form_' . $bnum . '">
	<table><tr><td width="90px">';
	
	foreach ($rate_options as $val) {
		$checked_flag = '';
		if ((float) $val == (float) $ratings_info_arr[value]) {
			$checked_flag = ' checked="checked"';
		}
		$star_code .= '<input class="hover-star {split:2}" type="radio" name="' . $id . '_bib_rating_' . $bnum . '" value="' . $val . '"' . $disable_flag . $checked_flag . "/>\n";
	}
	$star_code .= '<input type="hidden" name="' . $id . '_rating_submit_' . $bnum . '" value="1"></form></td><td>';

	if ($show_label) {
		if (!$ratings_info_arr[count]) {
			$count_msg = 'No votes yet';
		} else if ($ratings_info_arr[count] == 1) {
			$count_msg = '1 vote';
		} else {
			$count_msg = $ratings_info_arr[count] . ' votes';
		}
		$count_msg .= $login_string;
		$star_code .= '<span id="star_vote_count">(' . $count_msg . ')</span>';
	}

	$star_code .= '</td></tr></table>';
	
	return $star_code;
}