98 lines
2.9 KiB
Swift
98 lines
2.9 KiB
Swift
import CoreData
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import Foundation
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import Models
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struct InternalHighlight: Encodable {
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let id: String
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let shortId: String
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let quote: String
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let prefix: String?
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let suffix: String?
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let patch: String
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let annotation: String?
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let createdAt: Date?
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let updatedAt: Date?
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let createdByMe: Bool
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func asManagedObject(context: NSManagedObjectContext) -> Highlight {
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let fetchRequest: NSFetchRequest<Models.Highlight> = Highlight.fetchRequest()
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fetchRequest.predicate = NSPredicate(
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format: "id == %@", id
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)
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let existingHighlight = (try? context.fetch(fetchRequest))?.first
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let highlight = existingHighlight ?? Highlight(entity: Highlight.entity(), insertInto: context)
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highlight.markedForDeletion = false
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highlight.id = id
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highlight.shortId = shortId
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highlight.quote = quote
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highlight.prefix = prefix
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highlight.suffix = suffix
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highlight.patch = patch
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highlight.annotation = annotation
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highlight.createdAt = createdAt
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highlight.updatedAt = updatedAt
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highlight.createdByMe = createdByMe
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return highlight
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}
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static func make(from highlight: Highlight) -> InternalHighlight {
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InternalHighlight(
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id: highlight.id ?? "",
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shortId: highlight.shortId ?? "",
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quote: highlight.quote ?? "",
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prefix: highlight.prefix,
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suffix: highlight.suffix,
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patch: highlight.patch ?? "",
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annotation: highlight.annotation,
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createdAt: highlight.createdAt,
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updatedAt: highlight.updatedAt,
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createdByMe: highlight.createdByMe
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)
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}
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func persist(
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context: NSManagedObjectContext,
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associatedItemID: String?,
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oldHighlightsIds: [String] = []
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) {
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context.perform {
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let highlight = asManagedObject(context: context)
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if let associatedItemID = associatedItemID {
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let linkedItem = LinkedItem.lookup(byID: associatedItemID, inContext: context)
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linkedItem?.addToHighlights(highlight)
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}
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if !oldHighlightsIds.isEmpty {
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let fetchRequest: NSFetchRequest<Models.Highlight> = Highlight.fetchRequest()
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fetchRequest.predicate = NSPredicate(format: "id IN %@", oldHighlightsIds)
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for highlight in (try? context.fetch(fetchRequest)) ?? [] {
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context.delete(highlight)
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}
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}
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do {
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try context.save()
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print("Highlight saved succesfully")
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} catch {
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context.rollback()
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print("Failed to save Highlight: \(error.localizedDescription)")
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}
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}
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}
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func encoded() -> [String: Any]? {
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guard let data = try? JSONEncoder().encode(self) else { return nil }
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return try? JSONSerialization.jsonObject(with: data, options: .allowFragments) as? [String: Any]
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}
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}
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extension Array where Element == InternalHighlight {
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var asJSONString: String {
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let jsonData = try? JSONEncoder().encode(self)
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guard let jsonData = jsonData else { return "[]" }
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return String(data: jsonData, encoding: .utf8) ?? "[]"
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}
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}
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