33 lines
1.0 KiB
Swift
33 lines
1.0 KiB
Swift
//
|
|
// PersistenceDELETE.swift
|
|
// Feels
|
|
//
|
|
// Created by Trey Tartt on 2/17/22.
|
|
//
|
|
|
|
import CoreData
|
|
|
|
extension PersistenceController {
|
|
func clearDB() {
|
|
let fetchRequest: NSFetchRequest<NSFetchRequestResult> = NSFetchRequest(entityName: "MoodEntry")
|
|
let deleteRequest = NSBatchDeleteRequest(fetchRequest: fetchRequest)
|
|
|
|
do {
|
|
try viewContext.executeAndMergeChanges(using: deleteRequest)
|
|
saveAndRunDataListerners()
|
|
} catch let error as NSError {
|
|
fatalError("Unresolved error \(error), \(error.userInfo)")
|
|
}
|
|
}
|
|
|
|
func deleteLast(numberOfEntries: Int) {
|
|
let entries = PersistenceController.shared.getData(startDate: Calendar.current.date(byAdding: .day, value: -numberOfEntries, to: Date())!,
|
|
endDate: Date(),
|
|
includedDays: [])
|
|
for entry in entries {
|
|
viewContext.delete(entry)
|
|
}
|
|
try! viewContext.save()
|
|
}
|
|
}
|