109 lines
6.6 KiB
Swift
109 lines
6.6 KiB
Swift
//
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// https://mczachurski.dev
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// Copyright © 2022 Marcin Czachurski and the repository contributors.
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// Licensed under the MIT License.
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//
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import CoreData
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public class CoreDataHandler {
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public static let shared = CoreDataHandler()
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public let container: NSPersistentContainer
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private init(inMemory: Bool = false) {
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container = NSPersistentContainer(name: "Vernissage")
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if inMemory {
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container.persistentStoreDescriptions.first!.url = URL(fileURLWithPath: "/dev/null")
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}
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container.loadPersistentStores(completionHandler: { (storeDescription, error) in
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if let error = error as NSError? {
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// Replace this implementation with code to handle the error appropriately.
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// fatalError() causes the application to generate a crash log and terminate. You should not use this function in a shipping application, although it may be useful during development.
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/*
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Typical reasons for an error here include:
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* The parent directory does not exist, cannot be created, or disallows writing.
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* The persistent store is not accessible, due to permissions or data protection when the device is locked.
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* The device is out of space.
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* The store could not be migrated to the current model version.
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Check the error message to determine what the actual problem was.
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*/
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fatalError("Unresolved error \(error), \(error.userInfo)")
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}
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})
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container.viewContext.automaticallyMergesChangesFromParent = true
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}
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public func newBackgroundContext() -> NSManagedObjectContext {
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self.container.newBackgroundContext()
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}
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public func save() {
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let context = self.container.viewContext
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if context.hasChanges {
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do {
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try context.save()
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} catch {
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// Replace this implementation with code to handle the error appropriately.
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// fatalError() causes the application to generate a crash log and terminate.
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// You should not use this function in a shipping application, although it may be useful during development.
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let nserror = error as NSError
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fatalError("Unresolved error \(nserror), \(nserror.userInfo)")
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}
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}
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}
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}
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extension CoreDataHandler {
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public static var memory: CoreDataHandler = {
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CoreDataHandler(inMemory: true)
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}()
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}
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extension CoreDataHandler {
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public static var preview: CoreDataHandler = {
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let result = CoreDataHandler(inMemory: true)
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let viewContext = result.container.viewContext
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let statusData = StatusData(context: viewContext)
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statusData.id = "516272295308651148"
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statusData.uri = "https://pixelfed.social/p/z428/516272295308651148"
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statusData.url = URL(string: "https://pixelfed.social/p/z428/516272295308651148")
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statusData.content = "4: Along the way.<br />\n<a href=\"https://pixelfed.social/discover/tags/outerworld?src=hash\" title=\"#outerworld\" class=\"u-url hashtag\" rel=\"external nofollow noopener\">#outerworld</a> <a href=\"https://pixelfed.social/discover/tags/pixelfed365?src=hash\" title=\"#pixelfed365\" class=\"u-url hashtag\" rel=\"external nofollow noopener\">#pixelfed365</a> <a href=\"https://pixelfed.social/discover/tags/dresden?src=hash\" title=\"#dresden\" class=\"u-url hashtag\" rel=\"external nofollow noopener\">#dresden</a> <a href=\"https://pixelfed.social/discover/tags/photography?src=hash\" title=\"#photography\" class=\"u-url hashtag\" rel=\"external nofollow noopener\">#photography</a> <a href=\"https://pixelfed.social/discover/tags/smartphonephotography?src=hash\" title=\"#smartphonephotography\" class=\"u-url hashtag\" rel=\"external nofollow noopener\">#smartphonephotography</a> <a href=\"https://pixelfed.social/discover/tags/afternoons?src=hash\" title=\"#afternoons\" class=\"u-url hashtag\" rel=\"external nofollow noopener\">#afternoons</a> <a href=\"https://pixelfed.social/discover/tags/grey?src=hash\" title=\"#grey\" class=\"u-url hashtag\" rel=\"external nofollow noopener\">#grey</a>"
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statusData.reblogsCount = 12
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statusData.createdAt = "2023-01-04T15:21:47.000Z"
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statusData.visibility = "public"
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statusData.applicationName = "web"
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do {
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try viewContext.save()
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} catch {
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// Replace this implementation with code to handle the error appropriately.
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// fatalError() causes the application to generate a crash log and terminate. You should not use this function in a shipping application, although it may be useful during development.
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let nsError = error as NSError
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fatalError("Unresolved error \(nsError), \(nsError.userInfo)")
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}
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return result
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}()
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}
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public struct PreviewData {
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static func getStatus() -> StatusData {
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let statusData = StatusData()
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statusData.id = "516272295308651148"
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statusData.uri = "https://pixelfed.social/p/z428/516272295308651148"
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statusData.url = URL(string: "https://pixelfed.social/p/z428/516272295308651148")
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statusData.content = "4: Along the way.<br />\n<a href=\"https://pixelfed.social/discover/tags/outerworld?src=hash\" title=\"#outerworld\" class=\"u-url hashtag\" rel=\"external nofollow noopener\">#outerworld</a> <a href=\"https://pixelfed.social/discover/tags/pixelfed365?src=hash\" title=\"#pixelfed365\" class=\"u-url hashtag\" rel=\"external nofollow noopener\">#pixelfed365</a> <a href=\"https://pixelfed.social/discover/tags/dresden?src=hash\" title=\"#dresden\" class=\"u-url hashtag\" rel=\"external nofollow noopener\">#dresden</a> <a href=\"https://pixelfed.social/discover/tags/photography?src=hash\" title=\"#photography\" class=\"u-url hashtag\" rel=\"external nofollow noopener\">#photography</a> <a href=\"https://pixelfed.social/discover/tags/smartphonephotography?src=hash\" title=\"#smartphonephotography\" class=\"u-url hashtag\" rel=\"external nofollow noopener\">#smartphonephotography</a> <a href=\"https://pixelfed.social/discover/tags/afternoons?src=hash\" title=\"#afternoons\" class=\"u-url hashtag\" rel=\"external nofollow noopener\">#afternoons</a> <a href=\"https://pixelfed.social/discover/tags/grey?src=hash\" title=\"#grey\" class=\"u-url hashtag\" rel=\"external nofollow noopener\">#grey</a>"
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statusData.reblogsCount = 12
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statusData.createdAt = "2023-01-04T15:21:47.000Z"
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statusData.visibility = "public"
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statusData.applicationName = "web"
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return statusData
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}
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}
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