starred/CoreStore
1
0
Fork 0
mirror of https://github.com/JohnEstropia/CoreStore.git synced 2026-03-21 00:49:49 +01:00
Code Issues 95 Packages Projects Releases 10 Wiki Activity

WIP: make fetching methods throwable

Browse Source
This commit is contained in:
John Estropia
2019-01-11 19:52:12 +09:00
parent 42d1f41939
commit 5777831565
16 changed files with 326 additions and 226 deletions
Download Patch File Download Diff File Expand all files Collapse all files

60
Sources/NSManagedObjectContext+ObjectiveC.swift
View File

@@ -34,85 +34,65 @@ internal extension NSManagedObjectContext {
// MARK: Internal
@nonobjc
internal func fetchOne(_ from: CSFrom, _ fetchClauses: [CSFetchClause]) -> NSManagedObject? {
internal func fetchOne(_ from: CSFrom, _ fetchClauses: [CSFetchClause]) throws -> NSManagedObject? {
let fetchRequest = CoreStoreFetchRequest()
let storeFound = from.bridgeToSwift.applyToFetchRequest(fetchRequest, context: self)
try from.bridgeToSwift.applyToFetchRequest(fetchRequest, context: self)
fetchRequest.fetchLimit = 1
fetchRequest.resultType = .managedObjectResultType
fetchClauses.forEach { $0.applyToFetchRequest(fetchRequest) }
guard storeFound else {
return nil
}
return self.fetchOne(fetchRequest.dynamicCast())
return try self.fetchOne(fetchRequest.dynamicCast())
}
@nonobjc
internal func fetchAll<T: NSManagedObject>(_ from: CSFrom, _ fetchClauses: [CSFetchClause]) -> [T]? {
internal func fetchAll<T: NSManagedObject>(_ from: CSFrom, _ fetchClauses: [CSFetchClause]) throws -> [T] {
let fetchRequest = CoreStoreFetchRequest()
let storeFound = from.bridgeToSwift.applyToFetchRequest(fetchRequest, context: self)
try from.bridgeToSwift.applyToFetchRequest(fetchRequest, context: self)
fetchRequest.fetchLimit = 0
fetchRequest.resultType = .managedObjectResultType
fetchClauses.forEach { $0.applyToFetchRequest(fetchRequest) }
guard storeFound else {
return nil
}
return self.fetchAll(fetchRequest.dynamicCast())
return try self.fetchAll(fetchRequest.dynamicCast())
}
@nonobjc
internal func fetchCount(_ from: CSFrom, _ fetchClauses: [CSFetchClause]) -> Int? {
internal func fetchCount(_ from: CSFrom, _ fetchClauses: [CSFetchClause]) throws -> Int {
let fetchRequest = CoreStoreFetchRequest()
let storeFound = from.bridgeToSwift.applyToFetchRequest(fetchRequest, context: self)
try from.bridgeToSwift.applyToFetchRequest(fetchRequest, context: self)
fetchClauses.forEach { $0.applyToFetchRequest(fetchRequest) }
guard storeFound else {
return nil
}
return self.fetchCount(fetchRequest.dynamicCast())
return try self.fetchCount(fetchRequest.dynamicCast())
}
@nonobjc
internal func fetchObjectID(_ from: CSFrom, _ fetchClauses: [CSFetchClause]) -> NSManagedObjectID? {
internal func fetchObjectID(_ from: CSFrom, _ fetchClauses: [CSFetchClause]) throws -> NSManagedObjectID? {
let fetchRequest = CoreStoreFetchRequest()
let storeFound = from.bridgeToSwift.applyToFetchRequest(fetchRequest, context: self)
try from.bridgeToSwift.applyToFetchRequest(fetchRequest, context: self)
fetchRequest.fetchLimit = 1
fetchRequest.resultType = .managedObjectIDResultType
fetchClauses.forEach { $0.applyToFetchRequest(fetchRequest) }
guard storeFound else {
return nil
}
return self.fetchObjectID(fetchRequest.dynamicCast())
return try self.fetchObjectID(fetchRequest.dynamicCast())
}
@nonobjc
internal func fetchObjectIDs(_ from: CSFrom, _ fetchClauses: [CSFetchClause]) -> [NSManagedObjectID]? {
internal func fetchObjectIDs(_ from: CSFrom, _ fetchClauses: [CSFetchClause]) throws -> [NSManagedObjectID] {
let fetchRequest = CoreStoreFetchRequest()
let storeFound = from.bridgeToSwift.applyToFetchRequest(fetchRequest, context: self)
try from.bridgeToSwift.applyToFetchRequest(fetchRequest, context: self)
fetchRequest.fetchLimit = 0
fetchRequest.resultType = .managedObjectIDResultType
fetchClauses.forEach { $0.applyToFetchRequest(fetchRequest) }
guard storeFound else {
return nil
}
return self.fetchObjectIDs(fetchRequest.dynamicCast())
return try self.fetchObjectIDs(fetchRequest.dynamicCast())
}
@nonobjc