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Merge pull request #75 from boostcampwm-2024/feature/build-core-data
CoreData 구축 및 테스트
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,12 +1,21 @@ | ||
| import Foundation | ||
|
|
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| public enum MHError: Error, CustomStringConvertible { | ||
| public enum MHError: Error, CustomStringConvertible, Equatable { | ||
| case DIContainerResolveFailure(key: String) | ||
| case convertDTOFailure | ||
| case findEntityFailure | ||
| case saveContextFailure | ||
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| public var description: String { | ||
| switch self { | ||
| case .DIContainerResolveFailure(let key): | ||
| "\(key)에 대한 dependency resolve 실패" | ||
| case .convertDTOFailure: | ||
| "Entity에 대한 DTO 변환 실패" | ||
| case .findEntityFailure: | ||
| "Entity 찾기 실패" | ||
| case .saveContextFailure: | ||
| "Update된 Context 저장 실패" | ||
| } | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,24 @@ | ||
| import MHFoundation | ||
| import MHDomain | ||
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| public struct BookCoverDTO { | ||
| let identifier: UUID | ||
| let title: String | ||
| let imageURL: String? | ||
| let color: String | ||
| let category: String? | ||
| let favorite: Bool | ||
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| func toBookCover() -> BookCover? { | ||
| guard let color = BookColor(rawValue: self.color) else { return nil } | ||
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| return BookCover( | ||
| identifier: self.identifier, | ||
| title: self.title, | ||
| imageURL: self.imageURL, | ||
| color: color, | ||
| category: self.category, | ||
| favorite: self.favorite | ||
| ) | ||
| } | ||
| } |
9 changes: 9 additions & 0 deletions
9
MemorialHouse/MHData/MHData/LocalStorage/BookCoverStorage.swift
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,9 @@ | ||
| import MHFoundation | ||
| import MHCore | ||
|
|
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| public protocol BookCoverStorage { | ||
| func create(data: BookCoverDTO) async -> Result<Void, MHError> | ||
| func fetch() async -> Result<[BookCoverDTO], MHError> | ||
| func update(with id: UUID, data: BookCoverDTO) async -> Result<Void, MHError> | ||
| func delete(with id: UUID) async -> Result<Void, MHError> | ||
| } |
105 changes: 105 additions & 0 deletions
105
MemorialHouse/MHData/MHData/LocalStorage/CoreData/CoreDataBookCoverStorage.swift
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,105 @@ | ||
| import MHFoundation | ||
| import MHCore | ||
| import CoreData | ||
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| final class CoreDataBookCoverStorage { | ||
| private let coreDataStorage: CoreDataStorage | ||
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| init(coreDataStorage: CoreDataStorage) { | ||
| self.coreDataStorage = coreDataStorage | ||
| } | ||
| } | ||
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| extension CoreDataBookCoverStorage: BookCoverStorage { | ||
| func create(data: BookCoverDTO) async -> Result<Void, MHError> { | ||
| let context = coreDataStorage.persistentContainer.viewContext | ||
| guard let entity = NSEntityDescription.entity(forEntityName: "BookCoverEntity", in: context) else { | ||
| return .failure(.DIContainerResolveFailure(key: "BookCoverEntity")) | ||
| } | ||
| let bookCover = NSManagedObject(entity: entity, insertInto: context) | ||
| bookCover.setValue(data.identifier, forKey: "identifier") | ||
| bookCover.setValue(data.title, forKey: "title") | ||
| bookCover.setValue(data.category, forKey: "category") | ||
| bookCover.setValue(data.color, forKey: "color") | ||
| bookCover.setValue(data.imageURL, forKey: "imageURL") | ||
| bookCover.setValue(data.favorite, forKey: "favorite") | ||
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| await coreDataStorage.saveContext() | ||
| return .success(()) | ||
| } | ||
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| func fetch() async -> Result<[BookCoverDTO], MHError> { | ||
| let context = coreDataStorage.persistentContainer.viewContext | ||
| let request = BookCoverEntity.fetchRequest() | ||
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| do { | ||
| let bookCoverEntities = try context.fetch(request) | ||
| let result = bookCoverEntities.compactMap { $0.toBookCoverDTO() } | ||
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| return .success(result) | ||
| } catch { | ||
| MHLogger.debug("Error fetching book covers: \(error.localizedDescription)") | ||
| return .failure(.convertDTOFailure) | ||
| } | ||
| } | ||
|
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| func update(with id: UUID, data: BookCoverDTO) async -> Result<Void, MHError> { | ||
| do { | ||
| let context = coreDataStorage.persistentContainer.viewContext | ||
| guard let newEntity = try getEntityByIdentifier(in: context, with: id) else { | ||
| return .failure(.findEntityFailure) | ||
| } | ||
| newEntity.setValue(data.identifier, forKey: "identifier") | ||
| newEntity.setValue(data.title, forKey: "title") | ||
| newEntity.setValue(data.category, forKey: "category") | ||
| newEntity.setValue(data.color, forKey: "color") | ||
| newEntity.setValue(data.imageURL, forKey: "imageURL") | ||
| newEntity.setValue(data.favorite, forKey: "favorite") | ||
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| await coreDataStorage.saveContext() | ||
| return .success(()) | ||
| } catch { | ||
| return .failure(.findEntityFailure) | ||
| } | ||
| } | ||
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| func delete(with id: UUID) async -> Result<Void, MHError> { | ||
| do { | ||
| let context = coreDataStorage.persistentContainer.viewContext | ||
| guard let entity = try getEntityByIdentifier(in: context, with: id) else { | ||
| return .failure(.findEntityFailure) | ||
| } | ||
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| context.delete(entity) | ||
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| await coreDataStorage.saveContext() | ||
| return .success(()) | ||
| } catch { | ||
| return .failure(.findEntityFailure) | ||
| } | ||
| } | ||
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| private func getEntityByIdentifier(in context: NSManagedObjectContext, with id: UUID) throws -> BookCoverEntity? { | ||
| let request = BookCoverEntity.fetchRequest() | ||
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| return try context.fetch(request).first(where: { $0.identifier == id }) | ||
| } | ||
| } | ||
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| // MARK: - BookCoverEntity Extension | ||
| extension BookCoverEntity { | ||
| func toBookCoverDTO() -> BookCoverDTO? { | ||
| guard let identifier = self.identifier, | ||
| let title = self.title, | ||
| let color = self.color else { return nil } | ||
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| return BookCoverDTO( | ||
| identifier: identifier, | ||
| title: title, | ||
| imageURL: self.imageURL, | ||
| color: color, | ||
| category: self.category, | ||
| favorite: self.favorite | ||
| ) | ||
| } | ||
| } |
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