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API Subsonic: added search methods

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This commit is contained in:
emeric
2019-04-06 15:02:59 +02:00
parent f83c1e2274
commit 1f344aaaae
4 changed files with 82 additions and 57 deletions
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src/api/subsonic/SubsonicResource.cpp
+79 -54
View File
@@ -54,6 +54,8 @@
#define GET_STARRED2_URL "/rest/getStarred2.view"
#define GET_PLAYLISTS_URL "/rest/getPlaylists.view"
#define GET_SONGS_BY_GENRE_URL "/rest/getSongsByGenre.view"
#define SEARCH2_URL "/rest/search2.view"
#define SEARCH3_URL "/rest/search3.view"
// MediaRetrievals
#define STREAM_URL "/rest/stream.view"
@@ -80,6 +82,8 @@ static Response handleGetStarredRequest(const Wt::Http::ParameterMap& request, D
static Response handleGetStarred2Request(const Wt::Http::ParameterMap& request, Database::Handler& db);
static Response handleGetPlaylistsRequest(const Wt::Http::ParameterMap& request, Database::Handler& db);
static Response handleGetSongsByGenreRequest(const Wt::Http::ParameterMap& request, Database::Handler& db);
static Response handleSearch2Request(const Wt::Http::ParameterMap& request, Database::Handler& db);
static Response handleSearch3Request(const Wt::Http::ParameterMap& request, Database::Handler& db);
// MediaRetrievals
using MediaRetrivalHandlerFunc = std::function<void(const Wt::Http::Request&, Database::Handler&, Wt::Http::Response& response)>;
@@ -104,6 +108,8 @@ static std::map<std::string, RequestHandlerFunc> requestHandlers
{GET_STARRED2_URL, handleGetStarred2Request},
{GET_PLAYLISTS_URL, handleGetPlaylistsRequest},
{GET_SONGS_BY_GENRE_URL, handleGetSongsByGenreRequest},
{SEARCH2_URL, handleSearch2Request},
{SEARCH3_URL, handleSearch3Request},
};
static std::map<std::string, MediaRetrivalHandlerFunc> mediaRetrievalHandlers
@@ -238,17 +244,10 @@ SubsonicResource::getPaths()
void
SubsonicResource::handleRequest(const Wt::Http::Request &request, Wt::Http::Response &response)
{
LMS_LOG(API_SUBSONIC, DEBUG) << "REQUEST. Path = '" << request.path() << "', pathInfo = '" << request.pathInfo() << "', queryString = '" << request.queryString() << "'";
LMS_LOG(API_SUBSONIC, DEBUG) << "REQUEST " << request.path();
const Wt::Http::ParameterMap parameters {request.getParameterMap()};
for (const auto it : parameters)
{
LMS_LOG(API_SUBSONIC, DEBUG) << "Found param '" << it.first << "'";
for (const std::string& value : it.second)
LMS_LOG(API_SUBSONIC, DEBUG) << "\t'" << value << "'";
}
auto clientInfo {getClientInfo(parameters)};
if (!clientInfo)
{
@@ -286,6 +285,7 @@ SubsonicResource::handleRequest(const Wt::Http::Request &request, Wt::Http::Resp
}
catch (const Error& e)
{
LMS_LOG(API_SUBSONIC, ERROR) << "Error while processing command. code = " << static_cast<int>(e.getCode()) << ", msg = '" << e.getMessage() << "'";
Response resp {Response::createFailedResponse(e)};
resp.write(response.out(), clientInfo->format);
response.setMimeType(ResponseFormatToMimeType(clientInfo->format));
@@ -463,17 +463,12 @@ Response
handleGetRandomSongsRequest(const Wt::Http::ParameterMap& parameters, Database::Handler& db)
{
// Optional params
auto size {getParameterAs<std::size_t>(parameters, "size")};
if (!size)
size = 50;
*size = std::min(*size, std::size_t {500});
std::size_t size {getParameterAs<std::size_t>(parameters, "size").get_value_or(50)};
size = std::min(size, std::size_t {500});
Wt::Dbo::Transaction transaction {db.getSession()};
auto tracks {Database::Track::getAllRandom(db.getSession(), *size)};
LMS_LOG(API_SUBSONIC, DEBUG) << "Got " << tracks.size() << " tracks";
auto tracks {Database::Track::getAllRandom(db.getSession(), size)};
Response response {Response::createOkResponse()};
@@ -527,13 +522,8 @@ handleGetAlbumListRequestCommon(const Wt::Http::ParameterMap& request, Database:
throw Error {Error::Code::RequiredParameterMissing};
// Optional params
auto size {getParameterAs<std::size_t>(request, "size")};
if (!size)
size = 10;
auto offset {getParameterAs<std::size_t>(request, "offset")};
if (!offset)
offset = 0;
std::size_t size {getParameterAs<std::size_t>(request, "size").get_value_or(10)};
std::size_t offset {getParameterAs<std::size_t>(request, "offset").get_value_or(0)};
std::vector<Database::Release::pointer> releases;
@@ -541,11 +531,11 @@ handleGetAlbumListRequestCommon(const Wt::Http::ParameterMap& request, Database:
if (*type == "random")
{
releases = getRandomAlbums(db.getSession(), *offset, *size);
releases = getRandomAlbums(db.getSession(), offset, size);
}
else if (*type == "newest")
{
auto after {Wt::WLocalDateTime::currentServerDateTime().toUTC().addMonths(-1)};
auto after {Wt::WLocalDateTime::currentServerDateTime().toUTC().addMonths(-6)};
releases = Database::Release::getLastAdded(db.getSession(), after, offset, size);
}
else if (*type == "alphabeticalByName")
@@ -555,8 +545,6 @@ handleGetAlbumListRequestCommon(const Wt::Http::ParameterMap& request, Database:
else
throw Error {"Unsupported request"};
LMS_LOG(API_SUBSONIC, DEBUG) << "Got " << releases.size() << " albums";
Response response {Response::createOkResponse()};
Response::Node& albumListNode {response.createNode(id3 ? "albumList2" : "albumList")};
@@ -805,17 +793,10 @@ handleGetSongsByGenreRequest(const Wt::Http::ParameterMap& request, Database::Ha
throw Error {Error::Code::RequiredParameterMissing};
// Optional params
auto size {getParameterAs<std::size_t>(request, "count")};
if (!size)
size = 10;
std::size_t size {getParameterAs<std::size_t>(request, "count").get_value_or(10)};
size = std::min(size, std::size_t {500});
*size = std::min(*size, std::size_t {500});
auto offset {getParameterAs<std::size_t>(request, "offset")};
if (!offset)
offset = 0;
LMS_LOG(API_SUBSONIC, DEBUG) << "genre ='" << *genre << "'";
std::size_t offset {getParameterAs<std::size_t>(request, "offset").get_value_or(0)};
Wt::Dbo::Transaction transaction {db.getSession()};
@@ -838,6 +819,64 @@ handleGetSongsByGenreRequest(const Wt::Http::ParameterMap& request, Database::Ha
return response;
}
Response
handleSearchRequestCommon(const Wt::Http::ParameterMap& request, Database::Handler& db, bool id3)
{
// Mandatory params
auto query {getParameterAs<std::string>(request, "query")};
if (!query)
throw Error {Error::Code::RequiredParameterMissing};
std::vector<std::string> keywords {splitString(*query, " ")};
// Optional params
std::size_t artistCount {getParameterAs<std::size_t>(request, "artistCount").get_value_or(20)};
std::size_t artistOffset {getParameterAs<std::size_t>(request, "artistOffset").get_value_or(0)};
std::size_t albumCount {getParameterAs<std::size_t>(request, "albumCount").get_value_or(20)};
std::size_t albumOffset {getParameterAs<std::size_t>(request, "albumOffset").get_value_or(0)};
std::size_t songCount {getParameterAs<std::size_t>(request, "songCount").get_value_or(20)};
std::size_t songOffset {getParameterAs<std::size_t>(request, "songOffset").get_value_or(0)};
Wt::Dbo::Transaction transaction {db.getSession()};
Response response {Response::createOkResponse()};
Response::Node& searchResult2Node {response.createNode(id3 ? "searchResult3" : "searchResult2")};
bool more;
{
auto artists {Database::Artist::getByFilter(db.getSession(), {}, keywords, artistOffset, artistCount, more)};
for (const Database::Artist::pointer& artist : artists)
searchResult2Node.addArrayChild("artist", artistToResponseNode(artist, id3));
}
{
auto releases {Database::Release::getByFilter(db.getSession(), {}, keywords, albumOffset, albumCount, more)};
for (const Database::Release::pointer& release : releases)
searchResult2Node.addArrayChild("album", releaseToResponseNode(release, id3));
}
{
auto tracks {Database::Track::getByFilter(db.getSession(), {}, keywords, songOffset, songCount, more)};
for (const Database::Track::pointer& track : tracks)
searchResult2Node.addArrayChild("song", trackToResponseNode(track, id3));
}
return response;
}
Response
handleSearch2Request(const Wt::Http::ParameterMap& request, Database::Handler& db)
{
return handleSearchRequestCommon(request, db, false /* no id3 */);
}
Response
handleSearch3Request(const Wt::Http::ParameterMap& request, Database::Handler& db)
{
return handleSearchRequestCommon(request, db, true /* id3 */);
}
static
std::shared_ptr<Av::Transcoder>
createTranscoder(const Wt::Http::ParameterMap& request, Database::Handler& db)
@@ -846,11 +885,8 @@ createTranscoder(const Wt::Http::ParameterMap& request, Database::Handler& db)
Id id {getParameterAsId(request, "id")};
// Optional params
auto maxBitRate {getParameterAs<std::size_t>(request, "maxBitRate")};
if (!maxBitRate)
maxBitRate = 128;
*maxBitRate = clamp(*maxBitRate, std::size_t {48}, std::size_t {320});
std::size_t maxBitRate {getParameterAs<std::size_t>(request, "maxBitRate").get_value_or(128)};
maxBitRate = clamp(maxBitRate, std::size_t {48}, std::size_t {320});
boost::filesystem::path trackPath;
{
@@ -858,17 +894,14 @@ createTranscoder(const Wt::Http::ParameterMap& request, Database::Handler& db)
auto track {Database::Track::getById(db.getSession(), id.id)};
if (!track)
{
LMS_LOG(API_SUBSONIC, ERROR) << "Bad track id";
throw Error {Error::Code::RequestedDataNotFound};
}
trackPath = track->getPath();
}
Av::TranscodeParameters parameters {};
parameters.bitrate = *maxBitRate * 1000;
parameters.bitrate = maxBitRate * 1000;
parameters.encoding = Av::Encoding::MP3;
return std::make_shared<Av::Transcoder>(trackPath, parameters);
@@ -877,8 +910,6 @@ createTranscoder(const Wt::Http::ParameterMap& request, Database::Handler& db)
void
handleStream(const Wt::Http::Request& request, Database::Handler& db, Wt::Http::Response& response)
{
LMS_LOG(API_SUBSONIC, DEBUG) << "STREAM";
// TODO store only weak ptrs and use a ring container to store shared_ptr?
std::shared_ptr<Av::Transcoder> transcoder;
@@ -891,7 +922,6 @@ handleStream(const Wt::Http::Request& request, Database::Handler& db, Wt::Http::
}
else
{
LMS_LOG(UI, DEBUG) << "Continuation!";
transcoder = Wt::cpp17::any_cast<std::shared_ptr<Av::Transcoder>>(continuation->data());
}
@@ -907,7 +937,6 @@ handleStream(const Wt::Http::Request& request, Database::Handler& db, Wt::Http::
transcoder->process(data, chunkSize);
LMS_LOG(API_SUBSONIC, DEBUG) << "Writing " << data.size() << " bytes...";
response.out().write(reinterpret_cast<char*>(&data[0]), data.size());
if (!response.out())
@@ -922,15 +951,11 @@ handleStream(const Wt::Http::Request& request, Database::Handler& db, Wt::Http::
continuation = response.createContinuation();
continuation->setData(transcoder);
}
else
LMS_LOG(API_SUBSONIC, DEBUG) << "No more data!";
}
void
handleGetCoverArt(const Wt::Http::Request& request, Database::Handler& db, Wt::Http::Response& response)
{
LMS_LOG(API_SUBSONIC, DEBUG) << "STREAM";
// Mandatory params
Id id {getParameterAsId(request.getParameterMap(), "id")};