Retrieve article original URL from entryID

components/dom_distiller/core/dom_distiller_service.cc

 // Copyright 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "components/dom_distiller/core/dom_distiller_service.h"
 
 #include "base/guid.h"
 #include "base/message_loop/message_loop.h"
 #include "components/dom_distiller/core/distilled_content_store.h"
 #include "components/dom_distiller/core/dom_distiller_store.h"
@@ skipping 49 matching lines @@
   return distiller_page_factory_->CreateDistillerPage(render_view_size).Pass();
 }
 
 scoped_ptr<DistillerPage>
 DomDistillerService::CreateDefaultDistillerPageWithHandle(
     scoped_ptr<SourcePageHandle> handle) {
   return distiller_page_factory_->CreateDistillerPageWithHandle(handle.Pass())
       .Pass();
 }
 
+bool DomDistillerService::HasEntry(const std::string entry_id) {
+  return store_->GetEntryById(entry_id, NULL);
+}
+
+// Returns the source URL given an entry ID. If the entry ID article has

[nyquist, 2014/08/13 20:09:10]

Move this comment to the interface and add a comment for HasEntry as well.

[sunangel, 2014/08/13 21:49:32]

Done.

+// multiple pages, this will return the URL of the first page. Returns an empty
+// string if there is no entry associated with the given entry ID.
+std::string DomDistillerService::GetUrlForEntry(const std::string entry_id) {
+  ArticleEntry entry;
+  if (store_->GetEntryById(entry_id, &entry)) {
+    return entry.pages().Get(0).url();
+  }
+  return "";
+}
+
 const std::string DomDistillerService::AddToList(
     const GURL& url,
     scoped_ptr<DistillerPage> distiller_page,
     const ArticleAvailableCallback& article_cb) {
   ArticleEntry entry;
   const bool is_already_added = store_->GetEntryByUrl(url, &entry);
 
   TaskTracker* task_tracker;
   if (is_already_added) {
     task_tracker = GetTaskTrackerForEntry(entry);
@@ skipping 160 matching lines @@
 void DomDistillerService::RemoveObserver(DomDistillerObserver* observer) {
   DCHECK(observer);
   store_->RemoveObserver(observer);
 }
 
 DistilledPagePrefs* DomDistillerService::GetDistilledPagePrefs() {
   return distilled_page_prefs_.get();
 }
 
 }  // namespace dom_distiller