122 lines
4.3 KiB
Swift
122 lines
4.3 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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import PixelfedKit
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class StatusDataHandler {
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public static let shared = StatusDataHandler()
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private init() { }
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func getAllStatuses(accountId: String) -> [StatusData] {
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let context = CoreDataHandler.shared.container.viewContext
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let fetchRequest = StatusData.fetchRequest()
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let sortDescriptor = NSSortDescriptor(key: "id", ascending: true)
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fetchRequest.sortDescriptors = [sortDescriptor]
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fetchRequest.predicate = NSPredicate(format: "pixelfedAccount.id = %@", accountId)
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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 status (getStatusData).")
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return []
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}
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}
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func getStatusData(accountId: String, statusId: String) -> StatusData? {
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let context = CoreDataHandler.shared.container.viewContext
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let fetchRequest = StatusData.fetchRequest()
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fetchRequest.fetchLimit = 1
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let predicate1 = NSPredicate(format: "id = %@", statusId)
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let predicate2 = NSPredicate(format: "pixelfedAccount.id = %@", accountId)
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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).first
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} catch {
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CoreDataError.shared.handle(error, message: "Error during fetching status (getStatusData).")
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return nil
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}
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}
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func getMaximumStatus(accountId: String, viewContext: NSManagedObjectContext? = nil) -> StatusData? {
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let context = viewContext ?? CoreDataHandler.shared.container.viewContext
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let fetchRequest = StatusData.fetchRequest()
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fetchRequest.fetchLimit = 1
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let sortDescriptor = NSSortDescriptor(key: "id", ascending: false)
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fetchRequest.sortDescriptors = [sortDescriptor]
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fetchRequest.predicate = NSPredicate(format: "pixelfedAccount.id = %@", accountId)
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do {
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let statuses = try context.fetch(fetchRequest)
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return statuses.first
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} catch {
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CoreDataError.shared.handle(error, message: "Error during fetching maximum status (getMaximumStatus).")
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return nil
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}
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}
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func getMinimumStatus(accountId: String, viewContext: NSManagedObjectContext? = nil) -> StatusData? {
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let context = viewContext ?? CoreDataHandler.shared.container.viewContext
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let fetchRequest = StatusData.fetchRequest()
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fetchRequest.fetchLimit = 1
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let sortDescriptor = NSSortDescriptor(key: "id", ascending: true)
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fetchRequest.sortDescriptors = [sortDescriptor]
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fetchRequest.predicate = NSPredicate(format: "pixelfedAccount.id = %@", accountId)
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do {
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let statuses = try context.fetch(fetchRequest)
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return statuses.first
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} catch {
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CoreDataError.shared.handle(error, message: "Error during fetching minimum status (getMinimumtatus).")
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return nil
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}
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}
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func remove(accountId: String, statusId: String) {
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let status = self.getStatusData(accountId: accountId, statusId: statusId)
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guard let status else {
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return
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}
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let context = CoreDataHandler.shared.container.viewContext
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context.delete(status)
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do {
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try context.save()
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} catch {
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CoreDataError.shared.handle(error, message: "Error during deleting status (remove).")
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}
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}
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func remove(accountId: String, statuses: [StatusData]) {
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let context = CoreDataHandler.shared.container.viewContext
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for status in statuses {
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context.delete(status)
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}
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do {
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try context.save()
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} catch {
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CoreDataError.shared.handle(error, message: "Error during deleting status (remove).")
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}
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}
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func createStatusDataEntity(viewContext: NSManagedObjectContext? = nil) -> StatusData {
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let context = viewContext ?? CoreDataHandler.shared.container.viewContext
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return StatusData(context: context)
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}
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}
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