Flatten file directories (fixes #159)

2026-03-20 16:44:08 +01:00 · 2017-05-10 12:42:20 +09:00
parent 716e069984
commit fce5d2f301
116 changed files with 13 additions and 13 deletions
--- a/Sources/NSFetchedResultsController+ObjectiveC.swift
+++ b/Sources/NSFetchedResultsController+ObjectiveC.swift
@@ -0,0 +1,106 @@
+//
+//  NSFetchedResultsController+ObjectiveC.swift
+//  CoreStore
+//
+//  Copyright © 2016 John Rommel Estropia
+//
+//  Permission is hereby granted, free of charge, to any person obtaining a copy
+//  of this software and associated documentation files (the "Software"), to deal
+//  in the Software without restriction, including without limitation the rights
+//  to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+//  copies of the Software, and to permit persons to whom the Software is
+//  furnished to do so, subject to the following conditions:
+//
+//  The above copyright notice and this permission notice shall be included in all
+//  copies or substantial portions of the Software.
+//
+//  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+//  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+//  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+//  AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+//  LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+//  OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+//  SOFTWARE.
+//
+
+import Foundation
+import CoreData
+
+
+#if os(iOS) || os(watchOS) || os(tvOS)
+
+// MARK: - CSDataStack
+
+public extension CSDataStack {
+    
+    /**
+     Utility for creating an `NSFetchedResultsController` from the `CSDataStack`. This is useful when an `NSFetchedResultsController` is preferred over the overhead of `CSListMonitor`s abstraction.
+     - Note: It is the caller's responsibility to call `-performFetch:` on the created `NSFetchedResultsController`.
+     
+     - parameter from: a `CSFrom` clause indicating the entity type
+     - parameter sectionBy: a `CSSectionBy` clause indicating the keyPath for the attribute to use when sorting the list into sections.
+     - parameter fetchClauses: a series of `CSFetchClause` instances for fetching the object list. Accepts `CSWhere`, `CSOrderBy`, and `CSTweak` clauses.
+     - returns: an `NSFetchedResultsController` that observes the `CSDataStack`
+     */
+    @objc
+    public func createFetchedResultsControllerFrom(_ from: CSFrom, sectionBy: CSSectionBy, fetchClauses: [CSFetchClause]) -> NSFetchedResultsController<NSManagedObject> {
+        
+        return createFRC(
+            fromContext: self.bridgeToSwift.mainContext,
+            from: from,
+            sectionBy: sectionBy,
+            fetchClauses: fetchClauses
+        )
+    }
+}
+    
+    
+// MARK: - CSUnsafeDataTransaction
+
+public extension CSUnsafeDataTransaction {
+    
+    /**
+     Utility for creating an `NSFetchedResultsController` from the `CSUnsafeDataTransaction`. This is useful when an `NSFetchedResultsController` is preferred over the overhead of `CSListMonitor`s abstraction.
+     - Note: It is the caller's responsibility to call `-performFetch:` on the created `NSFetchedResultsController`.
+     
+     - parameter from: a `CSFrom` clause indicating the entity type
+     - parameter sectionBy: a `CSSectionBy` clause indicating the keyPath for the attribute to use when sorting the list into sections
+     - parameter fetchClauses: a series of `FetchClause` instances for fetching the object list. Accepts `Where`, `OrderBy`, and `Tweak` clauses.
+     - returns: an `NSFetchedResultsController` that observes an `CSUnsafeDataTransaction`
+     */
+    @objc
+    public func createFetchedResultsControllerFrom(_ from: CSFrom, sectionBy: CSSectionBy, fetchClauses: [CSFetchClause]) -> NSFetchedResultsController<NSManagedObject> {
+        
+        return createFRC(
+            fromContext: self.bridgeToSwift.context,
+            from: from,
+            sectionBy: sectionBy,
+            fetchClauses: fetchClauses
+        )
+    }
+}
+    
+    
+// MARK: - Private
+
+fileprivate func createFRC(fromContext context: NSManagedObjectContext, from: CSFrom? = nil, sectionBy: CSSectionBy?, fetchClauses: [CSFetchClause]) -> NSFetchedResultsController<NSManagedObject> {
+    
+    let controller = CoreStoreFetchedResultsController(
+        context: context,
+        fetchRequest: CoreStoreFetchRequest().dynamicCast(),
+        from: from?.bridgeToSwift.downcast(),
+        sectionBy: sectionBy?.bridgeToSwift,
+        applyFetchClauses: { (fetchRequest) in
+            
+            fetchClauses.forEach { $0.applyToFetchRequest(fetchRequest as! NSFetchRequest<NSFetchRequestResult>) }
+            
+            CoreStore.assert(
+                fetchRequest.sortDescriptors?.isEmpty == false,
+                "An \(cs_typeName(NSFetchedResultsController<NSManagedObject>.self)) requires a sort information. Specify from a \(cs_typeName(CSOrderBy.self)) clause or any custom \(cs_typeName(CSFetchClause.self)) that provides a sort descriptor."
+            )
+        }
+    )
+    return controller.dynamicCast()
+}
+
+#endif