Files
icarus/include/controller/SongController.hpp
T
2020-12-19 11:51:15 -05:00

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9.4 KiB
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#ifndef SONGCONTROLLER_H_
#define SONGCONTROLLER_H_
#include <filesystem>
#include <iostream>
#include <fstream>
#include <limits>
#include <string>
#include <memory>
#include <vector>
#include <oatpp/core/async/Coroutine.hpp>
#include "oatpp/core/data/stream/ChunkedBuffer.hpp"
#include "oatpp/core/data/stream/FileStream.hpp"
#include "oatpp/core/base/StrBuffer.hpp"
#include "oatpp/core/macro/codegen.hpp"
#include "oatpp/core/macro/component.hpp"
#include "oatpp/web/mime/multipart/InMemoryPartReader.hpp"
#include "oatpp/web/mime/multipart/Multipart.hpp"
#include "oatpp/web/mime/multipart/PartList.hpp"
#include "oatpp/web/mime/multipart/Reader.hpp"
#include "oatpp/web/protocol/http/outgoing/StreamingBody.hpp"
#include "oatpp/web/server/api/ApiController.hpp"
#include "callback/StreamCallback.h"
#include "database/SongRepository.h"
#include "dto/SongDto.hpp"
#include "dto/conversion/DtoConversions.h"
#include "manager/SongManager.h"
#include "manager/TokenManager.h"
#include "model/Models.h"
#include "type/Scopes.h"
#include "type/SongFilter.h"
#include "type/SongUpload.h"
using namespace dto;
namespace controller
{
class SongController : public oatpp::web::server::api::ApiController
{
public:
SongController(const model::BinaryPath& bConf,
OATPP_COMPONENT(std::shared_ptr<ObjectMapper>, objectMapper)) :
oatpp::web::server::api::ApiController(objectMapper),
m_bConf(bConf)
{
}
#include OATPP_CODEGEN_BEGIN(ApiController)
// endpoint for uploading a song
ENDPOINT("POST", "/api/v1/song/data", songUpload,
REQUEST(std::shared_ptr<IncomingRequest>, request))
{
auto authHeader = request->getHeader("Authorization");
OATPP_ASSERT_HTTP(authHeader, Status::CODE_403, "Nope");
auto auth = authHeader->std_str();
manager::TokenManager tok;
OATPP_ASSERT_HTTP(tok.isTokenValid(auth,
type::Scope::upload),
Status::CODE_403, "Not allowed");
auto mp =
std::make_shared<oatpp::web::mime::multipart::PartList>
(request->getHeaders());
oatpp::web::mime::multipart::Reader mp_reader = mp.get();
mp_reader.setDefaultPartReader(
oatpp::web::mime::multipart::createInMemoryPartReader(30 * 1024 * 1024));
request->transferBody(&mp_reader);
auto file = mp->getNamedPart("file");
OATPP_ASSERT_HTTP(file, Status::CODE_400, "file is null");
auto buff = std::make_unique<const char*>(file->getInMemoryData()->c_str());
auto buffSize = file->getKnownSize();
std::vector<unsigned char> data(*buff, *buff + buffSize);
model::Song sng;
sng.data = std::move(data);
manager::SongManager songMgr(m_bConf);
const auto result = songMgr.saveSong(sng);
if (!result.first) {
switch (result.second) {
case type::SongUpload::AlreadyExist:
return createResponse(Status::CODE_400, "Song already exists");
default:
break;
}
}
auto songDto = dto::conversion::DtoConversions::toSongDto(sng);
return createDtoResponse(Status::CODE_200, songDto);
}
// endpoint for retrieving all song records in json format
ENDPOINT("GET", "/api/v1/song", songRecords,
REQUEST(std::shared_ptr<IncomingRequest>, request))
{
auto authHeader = request->getHeader("Authorization");
OATPP_ASSERT_HTTP(authHeader, Status::CODE_403, "Nope");
auto auth = authHeader->std_str();
manager::TokenManager tok;
OATPP_ASSERT_HTTP(tok.isTokenValid(auth, type::Scope::retrieveSong),
Status::CODE_403, "Not allowed");
std::cout << "starting process of retrieving songs\n";
database::SongRepository songRepo(m_bConf);
auto songsDb = songRepo.retrieveRecords();
auto songs = oatpp::Vector<oatpp::Object<dto::SongDto>>::createShared();
std::cout << "creating object to send\n";
for (auto& songDb : songsDb) {
auto song = dto::conversion::DtoConversions::toSongDto(songDb);
songs->push_back(song);
}
return createDtoResponse(Status::CODE_200, songs);
}
// endpoint for retrieving song record by the song id in json format
ENDPOINT("GET", "/api/v1/song/{id}", songRecord,
REQUEST(std::shared_ptr<IncomingRequest>, request), PATH(Int32, id))
{
auto authHeader = request->getHeader("Authorization");
OATPP_ASSERT_HTTP(authHeader, Status::CODE_403, "Nope");
auto auth = authHeader->std_str();
manager::TokenManager tok;
OATPP_ASSERT_HTTP(tok.isTokenValid(auth, type::Scope::retrieveSong),
Status::CODE_403, "Not allowed");
database::SongRepository songRepo(m_bConf);
model::Song songDb(id);
if (!songRepo.doesSongExist(songDb, type::SongFilter::id)) {
return songDoesNotExist();
}
std::cout << "song exists\n";
songDb = songRepo.retrieveRecord(songDb, type::SongFilter::id);
auto song = dto::conversion::DtoConversions::toSongDto(songDb);
return createDtoResponse(Status::CODE_200, song);
}
ENDPOINT("GET", "/api/v1/song/data/{id}", downloadSong,
REQUEST(std::shared_ptr<IncomingRequest>, request), PATH(Int32, id))
{
auto authHeader = request->getHeader("Authorization");
OATPP_ASSERT_HTTP(authHeader, Status::CODE_403, "Nope");
auto auth = authHeader->std_str();
manager::TokenManager tok;
OATPP_ASSERT_HTTP(tok.isTokenValid(auth, type::Scope::download),
Status::CODE_403, "Not allowed");
database::SongRepository songRepo(m_bConf);
model::Song songDb(id);
if (!songRepo.doesSongExist(songDb, type::SongFilter::id)) {
return songDoesNotExist();
}
songDb = songRepo.retrieveRecord(songDb, type::SongFilter::id);
auto rawSong = oatpp::base::StrBuffer::loadFromFile(songDb.songPath.c_str());
auto response = createResponse(Status::CODE_200, rawSong);
response->putHeader(Header::CONTENT_TYPE, "audio/mpeg");
return response;
}
ENDPOINT("UPDATE", "/api/v1/song/{id}", songUpdate,
REQUEST(std::shared_ptr<IncomingRequest>, request),
BODY_DTO(oatpp::Object<SongDto>, songDto), PATH(Int32, id))
{
songDto->id = id;
auto authHeader = request->getHeader("Authorization");
OATPP_ASSERT_HTTP(authHeader, Status::CODE_403, "Nope");
auto auth = authHeader->std_str();
manager::TokenManager tok;
OATPP_ASSERT_HTTP(tok.isTokenValid(auth,
type::Scope::updateSong), Status::CODE_403, "Not allowed");
auto updatedSong = dto::conversion::DtoConversions::toSong(songDto);
manager::SongManager songMgr(m_bConf);
auto result = songMgr.updateSong(updatedSong);
if (!result) {
return songDoesNotExist();
}
return createResponse(Status::CODE_200, "OK");
}
// endpoint to delete a song
ENDPOINT("DELETE", "api/v1/song/data/{id}", songDelete,
REQUEST(std::shared_ptr<IncomingRequest>, request), PATH(Int32, id))
{
auto authHeader = request->getHeader("Authorization");
OATPP_ASSERT_HTTP(authHeader, Status::CODE_403, "Nope");
auto auth = authHeader->std_str();
manager::TokenManager tok;
OATPP_ASSERT_HTTP(tok.isTokenValid(auth, type::Scope::deleteSong),
Status::CODE_403, "Not allowed");
model::Song song(id);
manager::SongManager sngMgr(m_bConf);
auto result = sngMgr.deleteSong(song);
if (!result) {
return songDoesNotExist();
}
return createResponse(Status::CODE_200, "OK");
}
// endpoint for streaming a song
ENDPOINT("GET", "/api/v1/song/stream/{id}", streamSong,
REQUEST(std::shared_ptr<IncomingRequest>, request), PATH(Int32, id))
{
auto authHeader = request->getHeader("Authorization");
OATPP_ASSERT_HTTP(authHeader, Status::CODE_403, "Nope");
auto auth = authHeader->std_str();
manager::TokenManager tok;
OATPP_ASSERT_HTTP(tok.isTokenValid(auth, type::Scope::stream),
Status::CODE_403, "Not allowed");
database::SongRepository songRepo(m_bConf);
model::Song songDb(id);
if (!songRepo.doesSongExist(songDb, type::SongFilter::id)) {
return songDoesNotExist();
}
songDb = songRepo.retrieveRecord(songDb, type::SongFilter::id);
constexpr auto dSize = 1024;
auto callback = std::make_shared<callback::StreamCallback>(songDb.songPath);
auto db = std::make_shared<oatpp::web::protocol::http::outgoing::StreamingBody>(
callback
);
auto response = OutgoingResponse::createShared(Status::CODE_200, db);
response->putHeader(Header::CONNECTION, Header::Value::CONNECTION_KEEP_ALIVE);
response->putHeader(Header::CONTENT_TYPE, "audio/mpeg");
return response;
}
#include OATPP_CODEGEN_END(ApiController)
private:
std::shared_ptr<oatpp::web::protocol::http::outgoing::Response>
songDoesNotExist()
{
return createResponse(Status::CODE_404, "Song not found");
}
model::BinaryPath m_bConf;
const long m_dataSize = std::numeric_limits<long long int>::max();
};
}
#endif