39 lines
1.5 KiB
Swift
39 lines
1.5 KiB
Swift
//
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// https://mczachurski.dev
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// Copyright © 2023 Marcin Czachurski and the repository contributors.
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// Licensed under the Apache License 2.0.
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//
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import Foundation
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import CoreData
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class AttachmentDataHandler {
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public static let shared = AttachmentDataHandler()
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private init() { }
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func createAttachmnentDataEntity(viewContext: NSManagedObjectContext? = nil) -> AttachmentData {
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let context = viewContext ?? CoreDataHandler.shared.container.viewContext
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return AttachmentData(context: context)
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}
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func getDownloadedAttachmentData(accountId: String, length: Int, viewContext: NSManagedObjectContext? = nil) -> [AttachmentData] {
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let context = viewContext ?? CoreDataHandler.shared.container.viewContext
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let fetchRequest = AttachmentData.fetchRequest()
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fetchRequest.fetchLimit = length
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let sortDescriptor = NSSortDescriptor(key: "statusRelation.id", ascending: true)
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fetchRequest.sortDescriptors = [sortDescriptor]
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let predicate1 = NSPredicate(format: "statusRelation.pixelfedAccount.id = %@", accountId)
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let predicate2 = NSPredicate(format: "data != nil")
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fetchRequest.predicate = NSCompoundPredicate.init(type: .and, subpredicates: [predicate1, predicate2])
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do {
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return try context.fetch(fetchRequest)
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} catch {
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CoreDataError.shared.handle(error, message: "Error during fetching attachment data (getDownloadedAttachmentData).")
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return []
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}
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}
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}
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