/catalog/v2/entry/<entry_id> OPDS API endpoint

src/opds_dumper.cpp

@@ -75,7 +75,7 @@ kainjow::mustache::object getSingleBookData(const Book& book)
                                ? MustacheData(false)
                                : MustacheData(book.getUrl());
     return kainjow::mustache::object{
-      {"id", "urn:uuid:"+book.getId()},
+      {"id", book.getId()},
       {"name", book.getName()},
       {"title", book.getTitle()},
       {"description", book.getDescription()},

src/server/internalServer.h

@@ -76,6 +76,7 @@ class InternalServer {
     std::unique_ptr<Response> handle_catalog_v2(const RequestContext& request);
     std::unique_ptr<Response> handle_catalog_v2_root(const RequestContext& request);
     std::unique_ptr<Response> handle_catalog_v2_entries(const RequestContext& request);
+    std::unique_ptr<Response> handle_catalog_v2_complete_entry(const RequestContext& request, const std::string& entryId);
     std::unique_ptr<Response> handle_catalog_v2_categories(const RequestContext& request);
     std::unique_ptr<Response> handle_catalog_v2_languages(const RequestContext& request);
     std::unique_ptr<Response> handle_meta(const RequestContext& request);

src/server/internalServer_catalog_v2.cpp

@@ -55,6 +55,9 @@ std::unique_ptr<Response> InternalServer::handle_catalog_v2(const RequestContext
         kainjow::mustache::object({{"endpoint_root", endpoint_root}}),
         "application/opensearchdescription+xml"
     );
+  } else if (url == "entry") {
+    const std::string entryId  = request.get_url_part(3);
+    return handle_catalog_v2_complete_entry(request, entryId);
   } else if (url == "entries") {
     return handle_catalog_v2_entries(request);
   } else if (url == "categories") {
@@ -97,6 +100,25 @@ std::unique_ptr<Response> InternalServer::handle_catalog_v2_entries(const Reques
   );
 }
 
+std::unique_ptr<Response> InternalServer::handle_catalog_v2_complete_entry(const RequestContext& request, const std::string& entryId)
+{
+  try {
+    mp_library->getBookById(entryId);
+  } catch (const std::out_of_range&) {
+    return Response::build_404(*this, request, "", "");
+  }
+
+  OPDSDumper opdsDumper(mp_library);
+  opdsDumper.setRootLocation(m_root);
+  opdsDumper.setLibraryId(m_library_id);
+  const auto opdsFeed = opdsDumper.dumpOPDSCompleteEntry(entryId);
+  return ContentResponse::build(
+             *this,
+             opdsFeed,
+             "application/atom+xml;type=entry;profile=opds-catalog"
+  );
+}
+
 std::unique_ptr<Response> InternalServer::handle_catalog_v2_categories(const RequestContext& request)
 {
   OPDSDumper opdsDumper(mp_library);

static/templates/catalog_entries.xml

@@ -11,7 +11,7 @@
   <link rel="search" type="application/opensearchdescription+xml" href="{{root}}/catalog/searchdescription.xml" />
   {{#books}}
   <entry>
-    <id>{{id}}</id>
+    <id>urn:uuid:{{id}}</id>
     <title>{{title}}</title>
     <summary>{{description}}</summary>
     <language>{{language}}</language>

static/templates/catalog_v2_entries.xml

@@ -23,7 +23,7 @@
 {{/filter}}
   {{#books}}
   <entry>
-    <id>{{id}}</id>
+    <id>urn:uuid:{{id}}</id>
     <title>{{title}}</title>
     <summary>{{description}}</summary>
     <language>{{language}}</language>

test/server.cpp

@@ -1240,3 +1240,16 @@ TEST_F(LibraryServerTest, suggestions_in_range)
     ASSERT_EQ(currCount, 0);
   }
 }
+
+TEST_F(LibraryServerTest, catalog_v2_individual_entry_access)
+{
+  const auto r = zfs1_->GET("/catalog/v2/entry/raycharles");
+  EXPECT_EQ(r->status, 200);
+  EXPECT_EQ(maskVariableOPDSFeedData(r->body),
+    "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n"
+    RAY_CHARLES_CATALOG_ENTRY
+  );
+
+  const auto r1 = zfs1_->GET("/catalog/v2/entry/non-existent-entry");
+  EXPECT_EQ(r1->status, 404);
+}