Added a fallback to accept musicbrainzartistid ins artist.nfo files, ref #750

CMakeLists.txt

@@ -24,6 +24,7 @@ find_package(Threads REQUIRED)
 find_package(Filesystem REQUIRED)
 find_package(Boost REQUIRED COMPONENTS system program_options iostreams)
 find_package(Wt REQUIRED COMPONENTS Wt Dbo DboSqlite3 HTTP)
+find_package(Pugixml CONFIG REQUIRED)
 
 # WT
 if (NOT Wt_FOUND)

src/libs/metadata/CMakeLists.txt

@@ -34,6 +34,7 @@ target_include_directories(lmsmetadata PRIVATE
 target_link_libraries(lmsmetadata PRIVATE
 	lmsav
 	PkgConfig::Taglib
+	pugixml::pugixml
 	)
 
 target_link_libraries(lmsmetadata PUBLIC

src/libs/metadata/impl/ArtistInfo.cpp

@@ -19,14 +19,27 @@
 
 #include "metadata/ArtistInfo.hpp"
 
-#include <boost/property_tree/ptree.hpp>
-#include <boost/property_tree/xml_parser.hpp>
+#include <pugixml.hpp>
 
 #include "core/ILogger.hpp"
+#include "core/LiteralString.hpp"
 #include "core/String.hpp"
 
 namespace lms::metadata
 {
+    namespace
+    {
+        std::optional<std::string_view> getText(const pugi::xml_node& node, const core::LiteralString& tag)
+        {
+            std::optional<std::string_view> res;
+
+            if (const pugi::xml_node child{ node.child(tag.c_str()) })
+                res = std::string_view{ child.child_value() };
+
+            return res;
+        }
+    } // namespace
+
     std::span<const std::filesystem::path> getSupportedArtistInfoFiles()
     {
         static const std::array<std::filesystem::path, 1> files{ "artist.nfo" };
@@ -35,29 +48,33 @@ namespace lms::metadata
 
     ArtistInfo parseArtistInfo(std::istream& is)
     {
-        try
+        ArtistInfo artistInfo;
+        pugi::xml_document doc;
+        pugi::xml_parse_result result{ doc.load(is) };
+        if (!result)
         {
-            ArtistInfo artistInfo;
-
-            boost::property_tree::ptree root;
-            boost::property_tree::read_xml(is, root);
-
-            const auto& artistNode{ root.get_child("artist") };
-
-            artistInfo.mbid = core::UUID::fromString(core::stringUtils::stringTrim(artistNode.get_optional<std::string>("musicBrainzArtistID").value_or("")));
-            artistInfo.name = core::stringUtils::stringTrim(artistNode.get_optional<std::string>("name").value_or(""));
-            artistInfo.sortName = core::stringUtils::stringTrim(artistNode.get_optional<std::string>("sortname").value_or(""));
-            artistInfo.type = core::stringUtils::stringTrim(artistNode.get_optional<std::string>("type").value_or(""));
-            artistInfo.gender = core::stringUtils::stringTrim(artistNode.get_optional<std::string>("gender").value_or(""));
-            artistInfo.disambiguation = core::stringUtils::stringTrim(artistNode.get_optional<std::string>("disambiguation").value_or(""));
-            artistInfo.biography = artistNode.get_optional<std::string>("biography").value_or("");
-
-            return artistInfo;
+            LMS_LOG(METADATA, ERROR, "Cannot read artist info xml: " << result.description());
+            throw ArtistInfoParseException{ result.description() };
         }
-        catch (boost::property_tree::ptree_error& error)
+
+        const pugi::xml_node artistNode{ doc.child("artist") };
+        if (!artistNode)
+            throw ArtistInfoParseException{ "No <artist> element found in artist info xml" };
+
         {
-            LMS_LOG(METADATA, ERROR, "Cannot read artist xml info: " << error.what());
-            throw ArtistInfoParseException{ error.what() };
+            auto mbid{ getText(artistNode, "musicBrainzArtistID") };
+            if (!mbid.has_value())
+                mbid = getText(artistNode, "musicbrainzartistid"); // lidarr seems to put this in lowercase
+            artistInfo.mbid = core::UUID::fromString(core::stringUtils::stringTrim(mbid.has_value() ? *mbid : ""));
         }
+
+        artistInfo.name = core::stringUtils::stringTrim(getText(artistNode, "name").value_or(""));
+        artistInfo.sortName = core::stringUtils::stringTrim(getText(artistNode, "sortname").value_or(""));
+        artistInfo.type = core::stringUtils::stringTrim(getText(artistNode, "type").value_or(""));
+        artistInfo.gender = core::stringUtils::stringTrim(getText(artistNode, "gender").value_or(""));
+        artistInfo.disambiguation = core::stringUtils::stringTrim(getText(artistNode, "disambiguation").value_or(""));
+        artistInfo.biography = getText(artistNode, "biography").value_or("");
+
+        return artistInfo;
     }
 } // namespace lms::metadata

src/libs/metadata/test/ArtistInfo.cpp

@@ -77,6 +77,24 @@ He moved from the UK to Montreal in 1984 to become resident DJ at a number of cl
         ASSERT_EQ(artistInfo.biography, "DJ and producer based in London, UK. Founder of Missile Records and Planet Of Drums.\r\n\r\nHe moved from the UK to Montreal in 1984 to become resident DJ at a number of clubs. In 1987, he began working as an A&R for JSE Agency & Management in New York, managing the likes of Tommy Musto, Frankie Bones, and The KLF. He also arranged and was tour manager for artists such as Womack & Womack, Jungle Brothers, Ice-T, and Guru Josh.");
     }
 
+    TEST(ArtistInfo, basic_musicbrainzartistid)
+    {
+        std::istringstream is{ R"(<?xml version='1.0' encoding='UTF-8' standalone='yes'?>
+<artist>
+  <name>Tim Taylor</name>
+  <musicbrainzartistid>38811c52-85e3-4e2e-3319-ab7d9f2cfa5b</musicbrainzartistid>
+  <sortname>Taylor, Tim</sortname>
+  <disambiguation>Timothy Taylor</disambiguation>
+</artist>)" };
+
+        const ArtistInfo artistInfo{ parseArtistInfo(is) };
+
+        EXPECT_EQ(artistInfo.mbid, core::UUID::fromString("38811c52-85e3-4e2e-3319-ab7d9f2cfa5b"));
+        EXPECT_EQ(artistInfo.name, "Tim Taylor");
+        ASSERT_EQ(artistInfo.sortName, "Taylor, Tim");
+        ASSERT_EQ(artistInfo.disambiguation, "Timothy Taylor");
+    }
+
     TEST(ArtistInfo, trim)
     {
         std::istringstream is{ R"(<?xml version='1.0' encoding='UTF-8' standalone='yes'?>

src/libs/services/podcast/CMakeLists.txt

@@ -1,5 +1,3 @@
-pkg_check_modules(PUGIXML REQUIRED IMPORTED_TARGET pugixml)
-
 add_library(lmspodcast STATIC
 	impl/steps/CheckForMissingFilesStep.cpp
 	impl/steps/ClearTmpDirectoryStep.cpp
@@ -22,13 +20,12 @@ target_include_directories(lmspodcast INTERFACE
 target_include_directories(lmspodcast PRIVATE
 	include
 	impl
-	${PUGIXML_INCLUDE_DIRS}
 	)
 
 target_link_libraries(lmspodcast PRIVATE
 	lmscore
 	lmsimage
-	PkgConfig::PUGIXML
+	pugixml::pugixml
 	)
 
 target_link_libraries(lmspodcast PUBLIC