mirror/musikcube
1
0
Fork 0
mirror of https://github.com/clangen/musikcube.git synced 2024-11-19 20:13:36 +00:00
Code Issues Packages Projects Releases Wiki Activity

Ensure extended key/value pairs attached to tracks are properly deduped.

Browse Source
This commit is contained in:
casey langen 2018-01-06 12:15:38 -08:00
parent 3df8105dcd
commit 4523c2d28a
1 changed files with 27 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

31
src/core/library/track/IndexerTrack.cpp
View File

@ -426,6 +426,8 @@ void IndexerTrack::ProcessNonStandardMetadata(db::Connection& connection) {
MetadataMap unknownFields(this->internalMetadata->metadata);
removeKnownFields(unknownFields);
std::map<int64_t, std::set<int64_t>> processed;
db::Statement selectMetaKey("SELECT id FROM meta_keys WHERE name=?", connection);
db::Statement selectMetaValue("SELECT id FROM meta_values WHERE meta_key_id=? AND content=?", connection);
db::Statement insertMetaValue("INSERT INTO meta_values (meta_key_id,content) VALUES (?,?)", connection);
@ -503,10 +505,31 @@ void IndexerTrack::ProcessNonStandardMetadata(db::Connection& connection) {
/* now that we have a keyId and a valueId, create the relationship */
if (valueId != 0 && keyId != 0) {
insertTrackMeta.Reset();
insertTrackMeta.BindInt64(0, this->id);
insertTrackMeta.BindInt64(1, valueId);
insertTrackMeta.Step();
/* we allow multiple values for the same key (for example, multiple composers
for a track. but we don't allow duplicates. keep track of what keys and
values we've already attached to this track, and dont add dupes. */
bool process = true;
if (processed.find(valueId) != processed.end()) {
auto keys = processed[valueId];
if (keys.find(keyId) != keys.end()) {
process = false;
}
else {
keys.insert(keyId);
}
}
else {
processed[valueId] = { keyId };
}
if (process) {
insertTrackMeta.Reset();
insertTrackMeta.BindInt64(0, this->id);
insertTrackMeta.BindInt64(1, valueId);
insertTrackMeta.Step();
}
}
}
}