articlelisting.php

<?
session_start();
require_once('vendor/init.php');

$headers = apache_request_headers();
$ct = $headers["Accept"];
$acceptheaders = new AcceptHeader($ct);

$base = "https://rhiaro.co.uk";

$listing_uri = "https://rhiaro.co.uk/articles";
$graph = new EasyRdf_Graph($listing_uri);

$q = query_construct_vars(array("as:name"=>"name", "as:published"=>"pub"), array("rdf:type"=>"as:Article"), 0, "pub");
$res = execute_query($ep, $q);
$graph->parse($res, 'php');

$article_uris = array_keys($res);
foreach($article_uris as $article_uri){
  $graph->addResource($listing_uri, "as:items", $article_uri);
}

$graph->addType($listing_uri, "as:Collection");
$graph->add($listing_uri, "as:name", "Articles index");
$graph->add($listing_uri, "as:summary", "A list of all titled articles on rhiaro.co.uk");

$result = conneg($acceptheaders, $graph);
$header = $result['header'];
$content = $result['content'];

function article_name($uri, $data){
  $name = get_value(array($uri=>$data), "as:name", $uri);
  if(!empty($name)){
    return $name;
  }else{
    return "(untitled)";
  }
}

$monthname = array("01"=>"January", "02"=>"February", "03"=>"March", "04"=>"April", "05"=>"May", "06"=>"June", "07"=>"July", "08"=>"August", "09"=>"September", "10"=>"October", "11"=>"November", "12"=>"December");

try {
  if(gettype($content) == "string"){
    header($header);
    echo $content;
  }else{

    $graph->addLiteral($listing_uri, "view:stylesheet", "views/base.css");
    $resource = $graph->toRdfPhp();

    if(isset($_GET["yfilter"]) && $_GET["yfilter"] != "0"){
      $yinclude = $_GET["yfilter"];
    }
    if(isset($_GET["mfilter"]) && $_GET["mfilter"] != "0"){
      $minclude = $_GET["mfilter"];
    }

    $sorted_by_month = array();
    $m_filter_opts = array();
    foreach($article_uris as $uri){
      $date = date_from_graph($resource, $uri, "as:published");
      $y = $date->format("Y");
      $m = $date->format("m");
      if(!isset($sorted_by_month[$y])){
        $sorted_by_month[$y] = array();
        $m_filter_opts[$y] = array();
      }
      if(!isset($sorted_by_month[$y][$m])){
        $sorted_by_month[$y][$m] = array();
      }
      $sorted_by_month[$y][$m][$uri] = $resource[$uri];
      $m_filter_opts[$y][] = $m;
    }

    // Make the filter form nice
    $y_filter_opts = array_keys($sorted_by_month);
    // Drop filtered out years
    foreach($sorted_by_month as $y => $months){
      if(isset($yinclude)){
        if($y != $yinclude){
          unset($sorted_by_month[$y]);
        }else{
          $m_filter_opts[$y] = array_keys($months);
        }
      }
      // Drop filtered months
      foreach($months as $m => $data){
        if(isset($minclude) && $m != $minclude){
          unset($sorted_by_month[$y][$m]);
        }
      }
      krsort($months);
      krsort($m_filter_opts);
    }

    krsort($sorted_by_month);

    // unset nav
    $nav["next"] = $nav["prev"] = $nav["nexttype"] = $nav["prevtype"] = false;
    $includes = array("listing_articles.php");
    include 'views/page_template.php';
  }
}catch(Exception $e){
  var_dump($e);
}
?>