Content-Negotiation with the help of Renderer and Formatters

2015-06-02 02:02:40 +02:00
parent c0159f4b79
commit 7e0a38e989
7 changed files with 241 additions and 23 deletions
--- a/Lib/Formatter/Html.php
+++ b/Lib/Formatter/Html.php
@@ -0,0 +1,80 @@
+<?php
+
+namespace BSR\Lib\Formatter;
+
+class Html extends Formatter {
+    protected static function init() {
+        self::registerFormats(array(
+            'application/xhtml+xml',
+            'text/html',
+        ));
+    }
+
+    private function result($data) {
+        // the format is array('result' => array('funcname' => DATA))
+        // so take the first element of the 'result' array
+        $data = reset($data['result']);
+
+        $first = reset($data);
+        $single = ! is_array($first);
+
+        $content = '<table><thead>';
+        if($single) {
+            $content .= "<tr><th>Field</th><th>Value</th></tr>";
+        } else {
+            $content .= '<tr>';
+            foreach(array_keys($first) as $k) {
+                $content .= "<th>$k</th>";
+            }
+            $content .= '</tr>';
+        }
+        $content .= '</thead><tbody>';
+        if($single) {
+            foreach($data as $k => $v) {
+                $content .= "<tr><th>$k</th><td>".print_r($v, true)."</td></tr>";
+            }
+        } else {
+            foreach($data as $row) {
+                $content .= '<tr>';
+                foreach($row as $col) {
+                    $content .= '<td>'.print_r($col, true).'</td>';
+                }
+                $content .= '</tr>';
+            }
+        }
+        $content .= '</tbody></table>';
+
+        return $content;
+    }
+
+    private function error($data) {
+        $code = $data['error']['code'];
+        $name = $data['error']['name'];
+        $msg = $data['error']['reason'];
+
+        return '<h1>An error occured</h1>'.
+                "<h2>[$code] $name</h2>".
+                "<p>$msg</p>";
+    }
+
+    private function failure($data) {
+        $code = $data['failure']['code'];
+        $name = $data['failure']['reason'];
+
+        return '<h1>A failure occured</h1>'.
+                "<h2>[$code] $name</h2>";
+    }
+
+    public function render($data)
+    {
+        $type = key($data);
+
+        if (method_exists($this, $type)) {
+            $content = call_user_func_array(array($this, $type), array($data));
+        } else {
+            $content = '<h1>Unable to render this</h1>';
+        }
+
+        echo $content;
+    }
+}