Use Application PHIDs in Files

Summary: Ref T2715. Move files to the new stuff.

Test Plan: Used `phid.query`; `phid.lookup` to find files.

Reviewers: btrahan

Reviewed By: btrahan

CC: aran

Maniphest Tasks: T2715

Differential Revision: https://secure.phabricator.com/D6523

src/applications/files/phid/PhabricatorFilePHIDTypeFile.php

@@ -0,0 +1,76 @@
+<?php
+
+final class PhabricatorFilePHIDTypeFile extends PhabricatorPHIDType {
+
+  const TYPECONST = 'FILE';
+
+  public function getTypeConstant() {
+    return self::TYPECONST;
+  }
+
+  public function getTypeName() {
+    return pht('File');
+  }
+
+  public function newObject() {
+    return new PhabricatorFile();
+  }
+
+  public function loadObjects(
+    PhabricatorObjectQuery $query,
+    array $phids) {
+
+    return id(new PhabricatorFileQuery())
+      ->setViewer($query->getViewer())
+      ->withPHIDs($phids)
+      ->execute();
+  }
+
+  public function loadHandles(
+    PhabricatorHandleQuery $query,
+    array $handles,
+    array $objects) {
+
+    foreach ($handles as $phid => $handle) {
+      $file = $objects[$phid];
+
+      $id = $file->getID();
+      $name = $file->getName();
+      $uri = $file->getBestURI();
+
+      $handle->setName("F{$id}");
+      $handle->setFullName("F{$id}: {$name}");
+      $handle->setURI($uri);
+    }
+  }
+
+  public function canLoadNamedObject($name) {
+    return preg_match('/^F\d*[1-9]\d*$/', $name);
+  }
+
+  public function loadNamedObjects(
+    PhabricatorObjectQuery $query,
+    array $names) {
+
+    $id_map = array();
+    foreach ($names as $name) {
+      $id = (int)substr($name, 1);
+      $id_map[$id][] = $name;
+    }
+
+    $objects = id(new PhabricatorFileQuery())
+      ->setViewer($query->getViewer())
+      ->withIDs(array_keys($id_map))
+      ->execute();
+
+    $results = array();
+    foreach ($objects as $id => $object) {
+      foreach (idx($id_map, $id, array()) as $name) {
+        $results[$name] = $object;
+      }
+    }
+
+    return $results;
+  }
+
+}