<?php
abstract class Page extends Responder {
protected abstract function render_body();
protected $page = 'checkout';
protected $title = "DSV Utlåning";
protected $subtitle = '';
protected $error = null;
protected $menuitems = array('checkout' => 'Låna',
'return' => 'Lämna',
'products' => 'Artiklar',
'users' => 'Låntagare',
'inventory' => 'Inventera',
'history' => 'Historik',
'search' => 'Sök');
private $template_parts = array();
public function __construct() {
parent::__construct();
$this->template_parts = get_fragments('./html/base.html');
if(isset($_GET['page'])) {
$this->page = $_GET['page'];
}
if(isset($this->menuitems[$this->page])) {
$this->subtitle = $this->menuitems[$this->page];
}
}
public function render() {
$this->render_head();
$this->render_body();
if($this->error) {
$this->render_error();
}
$this->render_foot();
}
final private function render_head() {
$headtitle = $this->title;
$pagetitle = $this->title;
if($this->subtitle) {
$headtitle .= ' - '. $this->subtitle;
$pagetitle = $this->subtitle;
}
$query = '';
if(isset($_GET['q'])) {
$query = $_GET['q'];
}
print(replace(
array('title' => $headtitle,
'menu' => $this->build_menu(),
'query'=> $query),
$this->template_parts['head']
));
print(replace(array('title' => $pagetitle),
$this->fragments['title']));
}
private function build_menu() {
$menu = '';
foreach($this->menuitems as $page => $title) {
$align = 'left';
$active = '';
if($this->page == $page) {
$active = 'active';
}
if($page == 'search') {
$align = 'right';
}
$menu .= replace(array('title' => $title,
'page' => $page,
'align' => $align,
'active' => $active),
$this->template_parts['menuitem']);
}
return $menu;
}
final private function render_error() {
print(replace(array('type' => 'error',
'message' => $this->error),
$this->fragments['message']));
}
final private function render_foot() {
print($this->template_parts['foot']);
}
final protected function build_user_table($users) {
$rows = '';
foreach($users as $user) {
$replacements = array('name' => '',
'loan' => '',
'has_notes' => '',
'notes' => '',
'item_link' => '');
$replacements['name'] = $user->get_name();
$notes = $user->get_notes();
if($notes) {
$replacements['notes'] = $notes;
$replacements['has_notes'] = '*';
}
$userlink = replace(array('id' => $user->get_id(),
'name' => $user->get_displayname(),
'page' => 'users'),
$this->fragments['item_link']);
$replacements['item_link'] = $userlink;
$loans = $user->get_loans('active');
$loan_str = '';
$count = count($loans);
switch($count) {
case 0:
break;
case 1:
$product = $loans[0]->get_product();
$loan_str = $product->get_name();
break;
default:
$loan_str = $count .' artiklar';
break;
}
$replacements['loan'] = $loan_str;
$rows .= replace($replacements, $this->fragments['user_row']);
}
return replace(array('rows' => $rows),
$this->fragments['user_table']);
}
final protected function build_product_table($products) {
$rows = '';
foreach($products as $product) {
$prodlink = replace(array('id' => $product->get_id(),
'name' => $product->get_name(),
'page' => 'products'),
$this->fragments['item_link']);
$available = 'Tillgänglig';
$status = $product->get_status();
switch($status) {
case 'discarded':
$available = 'Skrotad '.$discarded;
break;
case 'service':
$service = $product->get_active_service();
$available = 'På service sedan '
.$service->get_duration()['start'];
break;
case 'on_loan':
case 'overdue':
$loan = $product->get_active_loan();
$user = $loan->get_user();
$userlink = replace(array('name' => $user->get_displayname(),
'id' => $user->get_id(),
'page' => 'users'),
$this->fragments['item_link']);
$available = 'Utlånad till '.$userlink;
if($loan->is_overdue()) {
$available .= ', försenad';
} else {
$available .= ', åter '.$loan->get_duration()['end'];
}
break;
}
$rows .= replace(array('available' => $available,
'serial' => $product->get_serial(),
'status' => $status,
'item_link' => $prodlink),
$this->fragments['product_row']);
}
return replace(array('rows' => $rows),
$this->fragments['product_table']);
}
final protected function build_user_loan_table($loans, $show = 'none') {
$vis_return = 'hidden';
$vis_renew = 'hidden';
switch($show) {
case 'return':
$vis_return = '';
break;
case 'renew':
$vis_renew = '';
break;
case 'both':
$vis_return = '';
$vis_renew = '';
break;
case 'none':
break;
default:
throw new Exception('Invalid argument.');
}
$rows = '';
foreach($loans as $loan) {
$product = $loan->get_product();
$prodlink = replace(array('id' => $product->get_id(),
'name' => $product->get_name(),
'page' => 'products'),
$this->fragments['item_link']);
$duration = $loan->get_duration();
$status = 'on_loan';
if($loan->is_overdue()) {
$status = 'overdue';
}
$returndate = '';
if($duration['return'] !== null) {
$returndate = $duration['return'];
}
$rows .= replace(array('id' => $product->get_id(),
'item_link' => $prodlink,
'start_date' => $duration['start'],
'end_date' => $duration['end'],
'return_date' => $returndate,
'status' => $status,
'vis_renew' => $vis_renew,
'vis_return' => $vis_return,
'end_new' => $duration['end_renew']),
$this->fragments['loan_row']);
}
return replace(array('rows' => $rows,
'vis_renew' => $vis_renew,
'vis_return' => $vis_return,
'item' => 'Artikel'),
$this->fragments['loan_table']);
}
final protected function build_product_history_table($history) {
$rows = '';
$renew_column_visible = 'hidden';
foreach($history as $event) {
$duration = $event->get_duration();
$product = $event->get_product();
$fields = array('item_link' => 'Service',
'start_date' => $duration['start'],
'end_date' => $duration['end'],
'return_date' => $duration['return'],
'status' => 'available',
'vis_renew' => $renew_column_visible,
'vis_renew_button' => 'hidden',
'vis_return' => '',
'id' => $product->get_id(),
'end_new' => '');
if($event instanceof Loan) {
$user = $event->get_user();
$id = $user->get_id();
$name = $user->get_name();
$fields['item_link'] = replace(array('id' => $id,
'name' => $name,
'page' => 'users'),
$this->fragments['item_link']);
$fields['end_new'] = $duration['end_renew'];
if($event->is_active()) {
$fields['vis_renew_button'] = '';
$fields['vis_renew'] = '';
$renew_column_visible = '';
if($event->is_overdue()) {
$fields['status'] = 'overdue';
} else {
$fields['status'] = 'on_loan';
}
}
} else if ($event instanceof Service) {
$fields['status'] = 'service';
}
$rows .= replace($fields, $this->fragments['loan_row']);
}
return replace(array('rows' => $rows,
'vis_renew' => $renew_column_visible,
'vis_return' => '',
'item' => 'Låntagare'),
$this->fragments['loan_table']);
}
final protected function build_inventory_details($inventory,
$interactive = true) {
$duration = $inventory->get_duration();
$all_products = get_items('product');
$seen = $inventory->get_seen_products();
$unseen = array();
foreach($all_products as $product) {
if(!in_array($product, $seen)) {
$unseen[] = $product;
}
}
$missing = 'Saknade artiklar';
$hidden = 'hidden';
if($interactive) {
$missing = 'Kvarvarande artiklar';
$hidden = '';
}
$out = replace(array('start_date' => $duration['start'],
'total_count' => count($all_products),
'seen_count' => count($seen),
'hide' => $hidden),
$this->fragments['inventory_do']);
$out .= replace(array('title' => $missing),
$this->fragments['subtitle']);
if($unseen) {
$out .= $this->build_product_table($unseen);
} else {
$out .= 'Inga artiklar saknas.';
}
$out .= replace(array('title' => 'Inventerade artiklar'),
$this->fragments['subtitle']);
if($seen) {
$out .= $this->build_product_table($seen);
} else {
$out .= 'Inga artiklar inventerade.';
}
return $out;
}
}
?>