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Tried to factorize some db code

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This commit is contained in:
emeric
2022-06-10 21:43:28 +02:00
parent a5c5185640
commit 27dfaf999a
15 changed files with 167 additions and 208 deletions
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src/libs/services/database/impl/Artist.cpp
-108
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@@ -204,114 +204,6 @@ Artist::find(Session& session, const FindParameters& params)
return execQuery(query, params.range);
}
RangeResults<ReleaseId>
Artist::getReleases(Range range, const std::vector<ClusterId>& clusterIds) const
{
assert(session());
WhereClause where;
std::ostringstream oss;
oss << "SELECT DISTINCT r.id FROM release r INNER JOIN artist a ON a.id = t_a_l.artist_id INNER JOIN track_artist_link t_a_l ON t_a_l.track_id = t.id INNER JOIN track t ON t.release_id = r.id";
if (!clusterIds.empty())
{
oss << " INNER JOIN cluster c ON c.id = t_c.cluster_id INNER JOIN track_cluster t_c ON t_c.track_id = t.id";
WhereClause clusterClause;
for (auto id : clusterIds)
clusterClause.Or(WhereClause("c.id = ?")).bind(id.toString());
where.And(clusterClause);
}
where.And(WhereClause("a.id = ?")).bind(getId().toString());
oss << " " << where.get();
if (!clusterIds.empty())
oss << " GROUP BY t.id HAVING COUNT(DISTINCT c.id) = " << clusterIds.size();
oss << " ORDER BY t.date DESC, r.name COLLATE NOCASE";
auto query {session()->query<ReleaseId>(oss.str())};
for (const std::string& bindArg : where.getBindArgs())
query.bind(bindArg);
return execQuery(query, range);
}
std::size_t
Artist::getReleaseCount() const
{
assert(session());
int res = session()->query<int>("SELECT COUNT(DISTINCT r.id) FROM release r INNER JOIN artist a ON a.id = t_a_l.artist_id INNER JOIN track_artist_link t_a_l ON t_a_l.track_id = t.id INNER JOIN track t ON t.release_id = r.id")
.where("a.id = ?").bind(getId());
return res;
}
std::vector<Track::pointer>
Artist::getTracks(std::optional<TrackArtistLinkType> linkType) const
{
assert(session());
auto query {session()->query<Wt::Dbo::ptr<Track>>("SELECT DISTINCT t FROM track t INNER JOIN artist a ON a.id = t_a_l.artist_id INNER JOIN track_artist_link t_a_l ON t_a_l.track_id = t.id")
.where("a.id = ?").bind(getId())
.orderBy("t.date DESC,t.release_id,t.disc_number,t.track_number")};
if (linkType)
query.where("t_a_l.type = ?").bind(*linkType);
auto tracks {query.resultList()};
return std::vector<Track::pointer>(tracks.begin(), tracks.end());
}
RangeResults<Track::pointer>
Artist::getNonReleaseTracks(std::optional<TrackArtistLinkType> linkType, Range range) const
{
assert(session());
auto query {session()->query<Wt::Dbo::ptr<Track>>("SELECT t FROM track t INNER JOIN artist a ON a.id = t_a_l.artist_id INNER JOIN track_artist_link t_a_l ON t_a_l.track_id = t.id")
.where("a.id = ?").bind(getId())
.where("t.release_id is NULL")
.orderBy("t.name")};
if (linkType)
query.where("t_a_l.type = ?").bind(*linkType);
return execQuery(query, range);
}
bool
Artist::hasNonReleaseTracks(std::optional<TrackArtistLinkType> linkType) const
{
auto query {session()->query<Wt::Dbo::ptr<Track>>("SELECT t FROM track t INNER JOIN artist a ON a.id = t_a_l.artist_id INNER JOIN track_artist_link t_a_l ON t_a_l.track_id = t.id")
.where("a.id = ?").bind(getId())
.where("t.release_id is NULL")
.orderBy("t.name")};
if (linkType)
query.where("t_a_l.type = ?").bind(*linkType);
return !query.resultList().empty();
}
std::vector<Track::pointer>
Artist::getRandomTracks(std::optional<std::size_t> count) const
{
assert(session());
Wt::Dbo::collection<Wt::Dbo::ptr<Track>> tracks {session()->query<Wt::Dbo::ptr<Track>>("SELECT t from track t INNER JOIN artist a ON a.id = t_a_l.artist_id INNER JOIN track_artist_link t_a_l ON t_a_l.track_id = t.id")
.where("a.id = ?").bind(getId())
.orderBy("RANDOM()")
.limit(count ? static_cast<int>(*count) : -1)};
return std::vector<Track::pointer>(tracks.begin(), tracks.end());
}
RangeResults<ArtistId>
Artist::findSimilarArtists(EnumSet<TrackArtistLinkType> artistLinkTypes, Range range) const
{