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https://github.com/JohnEstropia/CoreStore.git
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225 lines
11 KiB
Swift
225 lines
11 KiB
Swift
//
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// NSManagedObject+Convenience.swift
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// CoreStore
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//
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// Copyright © 2015 John Rommel Estropia
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files (the "Software"), to deal
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// in the Software without restriction, including without limitation the rights
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// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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// copies of the Software, and to permit persons to whom the Software is
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// furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in all
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// copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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// SOFTWARE.
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//
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import Foundation
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import CoreData
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// TODO: Uncomment
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//#if os(iOS) || os(watchOS) || os(tvOS)
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//
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//// MARK: - NSFetchedResultsController
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//
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//public extension NSFetchedResultsController {
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//
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// /**
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// Utility for creating an `NSFetchedResultsController` from a `DataStack`. This is useful when an `NSFetchedResultsController` is preferred over the overhead of `ListMonitor`s abstraction.
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//
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// - parameter dataStack: the `DataStack` to observe objects from
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// - parameter from: a `From` clause indicating the entity type
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// - parameter sectionBy: a `SectionBy` clause indicating the keyPath for the attribute to use when sorting the list into sections
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// - parameter fetchClauses: a series of `FetchClause` instances for fetching the object list. Accepts `Where`, `OrderBy`, and `Tweak` clauses.
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// - returns: an `NSFetchedResultsController` that observes a `DataStack`
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// */
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// @nonobjc
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// public static func createFor<T: NSManagedObject>(_ dataStack: DataStack, _ from: From<T>, _ sectionBy: SectionBy, _ fetchClauses: FetchClause...) -> NSFetchedResultsController<NSFetchRequestResult> {
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//
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// return self.createFromContext(
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// dataStack.mainContext,
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// fetchRequest: CoreStoreFetchRequest(),
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// from: from,
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// sectionBy: sectionBy,
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// fetchClauses: fetchClauses
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// )
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// }
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//
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// /**
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// Utility for creating an `NSFetchedResultsController` from a `DataStack`. This is useful when an `NSFetchedResultsController` is preferred over the overhead of `ListMonitor`s abstraction.
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//
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// - parameter dataStack: the `DataStack` to observe objects from
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// - parameter from: a `From` clause indicating the entity type
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// - parameter sectionBy: a `SectionBy` clause indicating the keyPath for the attribute to use when sorting the list into sections
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// - parameter fetchClauses: a series of `FetchClause` instances for fetching the object list. Accepts `Where`, `OrderBy`, and `Tweak` clauses.
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// - returns: an `NSFetchedResultsController` that observes a `DataStack`
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// */
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// @nonobjc
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// public static func createFor<T: NSManagedObject>(_ dataStack: DataStack, _ from: From<T>, _ sectionBy: SectionBy, _ fetchClauses: [FetchClause]) -> NSFetchedResultsController {
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//
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// return self.createFromContext(
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// dataStack.mainContext,
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// fetchRequest: CoreStoreFetchRequest(),
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// from: from,
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// sectionBy: sectionBy,
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// fetchClauses: fetchClauses
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// )
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// }
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//
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// /**
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// Utility for creating an `NSFetchedResultsController` from a `DataStack`. This is useful when an `NSFetchedResultsController` is preferred over the overhead of `ListMonitor`s abstraction.
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//
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// - parameter dataStack: the `DataStack` to observe objects from
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// - parameter from: a `From` clause indicating the entity type
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// - parameter fetchClauses: a series of `FetchClause` instances for fetching the object list. Accepts `Where`, `OrderBy`, and `Tweak` clauses.
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// - returns: an `NSFetchedResultsController` that observes a `DataStack`
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// */
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// @nonobjc
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// public static func createFor<T: NSManagedObject>(_ dataStack: DataStack, _ from: From<T>, _ fetchClauses: FetchClause...) -> NSFetchedResultsController {
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//
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// return self.createFromContext(
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// dataStack.mainContext,
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// fetchRequest: CoreStoreFetchRequest(),
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// from: from,
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// sectionBy: nil,
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// fetchClauses: fetchClauses
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// )
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// }
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//
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// /**
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// Utility for creating an `NSFetchedResultsController` from a `DataStack`. This is useful when an `NSFetchedResultsController` is preferred over the overhead of `ListMonitor`s abstraction.
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//
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// - parameter dataStack: the `DataStack` to observe objects from
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// - parameter from: a `From` clause indicating the entity type
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// - parameter fetchClauses: a series of `FetchClause` instances for fetching the object list. Accepts `Where`, `OrderBy`, and `Tweak` clauses.
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// - returns: an `NSFetchedResultsController` that observes a `DataStack`
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// */
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// @nonobjc
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// public static func createFor<T: NSManagedObject>(_ dataStack: DataStack, _ from: From<T>, _ fetchClauses: [FetchClause]) -> NSFetchedResultsController {
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//
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// return self.createFromContext(
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// dataStack.mainContext,
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// fetchRequest: CoreStoreFetchRequest(),
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// from: from,
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// sectionBy: nil,
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// fetchClauses: fetchClauses
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// )
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// }
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//
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// /**
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// Utility for creating an `NSFetchedResultsController` from an `UnsafeDataTransaction`. This is useful when an `NSFetchedResultsController` is preferred over the overhead of `ListMonitor`s abstraction.
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//
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// - parameter transaction: the `UnsafeDataTransaction` to observe objects from
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// - parameter from: a `From` clause indicating the entity type
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// - parameter sectionBy: a `SectionBy` clause indicating the keyPath for the attribute to use when sorting the list into sections
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// - parameter fetchClauses: a series of `FetchClause` instances for fetching the object list. Accepts `Where`, `OrderBy`, and `Tweak` clauses.
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// - returns: an `NSFetchedResultsController` that observes an `UnsafeDataTransaction`
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// */
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// @nonobjc
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// public static func createFor<T: NSManagedObject>(_ transaction: UnsafeDataTransaction, _ from: From<T>, _ sectionBy: SectionBy, _ fetchClauses: FetchClause...) -> NSFetchedResultsController {
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//
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// return self.createFromContext(
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// transaction.context,
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// fetchRequest: CoreStoreFetchRequest(),
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// from: from,
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// sectionBy: sectionBy,
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// fetchClauses: fetchClauses
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// )
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// }
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//
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// /**
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// Utility for creating an `NSFetchedResultsController` from an `UnsafeDataTransaction`. This is useful when an `NSFetchedResultsController` is preferred over the overhead of `ListMonitor`s abstraction.
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//
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// - parameter transaction: the `UnsafeDataTransaction` to observe objects from
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// - parameter from: a `From` clause indicating the entity type
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// - parameter sectionBy: a `SectionBy` clause indicating the keyPath for the attribute to use when sorting the list into sections
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// - parameter fetchClauses: a series of `FetchClause` instances for fetching the object list. Accepts `Where`, `OrderBy`, and `Tweak` clauses.
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// - returns: an `NSFetchedResultsController` that observes an `UnsafeDataTransaction`
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// */
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// @nonobjc
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// public static func createFor<T: NSManagedObject>(_ transaction: UnsafeDataTransaction, _ from: From<T>, _ sectionBy: SectionBy, _ fetchClauses: [FetchClause]) -> NSFetchedResultsController {
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//
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// return self.createFromContext(
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// transaction.context,
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// fetchRequest: CoreStoreFetchRequest(),
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// from: from,
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// sectionBy: sectionBy,
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// fetchClauses: fetchClauses
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// )
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// }
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//
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// /**
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// Utility for creating an `NSFetchedResultsController` from an `UnsafeDataTransaction`. This is useful when an `NSFetchedResultsController` is preferred over the overhead of `ListMonitor`s abstraction.
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//
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// - parameter transaction: the `UnsafeDataTransaction` to observe objects from
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// - parameter from: a `From` clause indicating the entity type
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// - parameter fetchClauses: a series of `FetchClause` instances for fetching the object list. Accepts `Where`, `OrderBy`, and `Tweak` clauses.
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// - returns: an `NSFetchedResultsController` that observes an `UnsafeDataTransaction`
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// */
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// @nonobjc
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// public static func createFor<T: NSManagedObject>(_ transaction: UnsafeDataTransaction, _ from: From<T>, _ fetchClauses: FetchClause...) -> NSFetchedResultsController {
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//
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// return self.createFromContext(
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// transaction.context,
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// fetchRequest: CoreStoreFetchRequest(),
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// from: from,
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// sectionBy: nil,
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// fetchClauses: fetchClauses
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// )
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// }
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//
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// /**
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// Utility for creating an `NSFetchedResultsController` from an `UnsafeDataTransaction`. This is useful when an `NSFetchedResultsController` is preferred over the overhead of `ListMonitor`s abstraction.
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//
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// - parameter transaction: the `UnsafeDataTransaction` to observe objects from
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// - parameter from: a `From` clause indicating the entity type
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// - parameter fetchClauses: a series of `FetchClause` instances for fetching the object list. Accepts `Where`, `OrderBy`, and `Tweak` clauses.
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// */
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// @nonobjc
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// public static func createFor<T: NSManagedObject>(_ transaction: UnsafeDataTransaction, _ from: From<T>, _ fetchClauses: [FetchClause]) -> NSFetchedResultsController {
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//
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// return self.createFromContext(
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// transaction.context,
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// fetchRequest: CoreStoreFetchRequest(),
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// from: from,
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// sectionBy: nil,
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// fetchClauses: fetchClauses
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// )
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// }
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//
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//
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// // MARK: Internal
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//
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// @nonobjc
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// internal static func createFromContext<T: NSManagedObject>(_ context: NSManagedObjectContext, fetchRequest: CoreStoreFetchRequest<T>, from: From<T>? = nil, sectionBy: SectionBy? = nil, fetchClauses: [FetchClause]) -> NSFetchedResultsController<NSFetchRequestResult> {
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//
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// let controller = CoreStoreFetchedResultsController(
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// context: context,
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// fetchRequest: fetchRequest,
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// from: from,
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// sectionBy: sectionBy,
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// applyFetchClauses: { fetchRequest in
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//
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// fetchClauses.forEach { $0.applyToFetchRequest(fetchRequest) }
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//
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// CoreStore.assert(
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// fetchRequest.sortDescriptors?.isEmpty == false,
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// "An \(cs_typeName(NSFetchedResultsController<T>.self)) requires a sort information. Specify from a \(cs_typeName(OrderBy.self)) clause or any custom \(cs_typeName(FetchClause.self)) that provides a sort descriptor."
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// )
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// }
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// )
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// return controller.upcast()
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// }
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//}
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//
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//#endif
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