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database: Add delete methods

Browse source 
And improve documentation.
This commit is contained in:
Elias Projahn 2020-05-01 14:41:19 +02:00
parent da47a01a25
commit 1d232e0903
1 changed files with 36 additions and 4 deletions
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40
database/lib/src/database.dart
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@ -51,10 +51,16 @@ class Database extends _$Database {
return result;
}
/// Add [person] or replace an existing person with the same ID.
Future<void> updatePerson(Person person) async {
await into(persons).insert(person, orReplace: true);
}
/// Delete the person by [id].
Future<void> deletePerson(int id) async {
await (delete(persons)..where((p) => p.id.equals(id))).go();
}
/// Get all available instruments.
///
/// This will return a list of [pageSize] instruments. You can get another
@ -75,10 +81,16 @@ class Database extends _$Database {
return result;
}
/// Add [instrument] or replace an existing one with the same ID.
Future<void> updateInstrument(Instrument instrument) async {
await into(instruments).insert(instrument, orReplace: true);
}
/// Delete the instrument by [id].
Future<void> deleteInstrument(int id) async {
await (delete(instruments)..where((i) => i.id.equals(id))).go();
}
/// Retrieve more information on an already queried work.
Future<WorkInfo> getWorkInfo(Work work) async {
final id = work.id;
@ -139,7 +151,7 @@ class Database extends _$Database {
return result;
}
/// Update a work and its associated data.
/// Add or replace a work and its associated data.
///
/// This will explicitly update all associated composers and instruments, even
/// if they have already existed before.
@ -149,7 +161,7 @@ class Database extends _$Database {
// Delete old work data first. The parts and instrumentations will be
// deleted automatically due to their foreign key constraints.
await (delete(works)..where((w) => w.id.equals(workId))).go();
await deleteWork(workId);
/// Insert instrumentations for a work.
///
@ -181,6 +193,13 @@ class Database extends _$Database {
});
}
/// Delete the work by [id].
Future<void> deleteWork(int id) async {
// The parts and instrumentations will be deleted automatically due to
// their foreign key constraints.
await (delete(works)..where((w) => w.id.equals(id))).go();
}
/// Get all available ensembles.
///
/// This will return a list of [pageSize] ensembles. You can get another page
@ -201,11 +220,17 @@ class Database extends _$Database {
return result;
}
/// Add [ensemble] or replace an existing one with the same ID.
Future<void> updateEnsemble(Ensemble ensemble) async {
await into(ensembles).insert(ensemble, orReplace: true);
}
/// Update a recording and its associated data.
/// Delete the ensemble by [id].
Future<void> deleteEnsemble(int id) async {
await (delete(ensembles)..where((e) => e.id.equals(id))).go();
}
/// Add or replace a recording and its associated data.
///
/// This will explicitly also update all assoicated persons and instruments.
Future<void> updateRecording(RecordingInfo recordingInfo) async {
@ -214,7 +239,7 @@ class Database extends _$Database {
// Delete the old recording first. This will also delete the performances
// due to their foreign key constraint.
await (delete(recordings)..where((r) => r.id.equals(recordingId))).go();
await deleteRecording(recordingId);
await into(recordings).insert(recordingInfo.recording);
@ -272,6 +297,13 @@ class Database extends _$Database {
return await getRecordingInfo(recording);
}
/// Delete a recording by [id].
Future<void> deleteRecording(int id) async {
// This will also delete the performances due to their foreign key
// constraint.
await (delete(recordings)..where((r) => r.id.equals(id))).go();
}
/// Get information on all recordings of the work with ID [workId].
///
/// This will return a list of [pageSize] recordings. You can get the other