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Code Issues 95 Packages Projects Releases 10 Wiki Activity

fetches, queries, and deletes are now throwable methods

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This commit is contained in:
John Estropia
2019-01-15 20:40:15 +09:00
parent 5777831565
commit 682472c1bd
30 changed files with 1239 additions and 1352 deletions
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36
Sources/NSManagedObjectContext+ObjectiveC.swift
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@@ -96,57 +96,45 @@ internal extension NSManagedObjectContext {
}
@nonobjc
internal func deleteAll(_ from: CSFrom, _ deleteClauses: [CSDeleteClause]) -> Int? {
internal func deleteAll(_ from: CSFrom, _ deleteClauses: [CSDeleteClause]) throws -> Int {
let fetchRequest = CoreStoreFetchRequest()
let storeFound = from.bridgeToSwift.applyToFetchRequest(fetchRequest, context: self)
try from.bridgeToSwift.applyToFetchRequest(fetchRequest, context: self)
fetchRequest.fetchLimit = 0
fetchRequest.resultType = .managedObjectResultType
fetchRequest.returnsObjectsAsFaults = true
fetchRequest.includesPropertyValues = false
deleteClauses.forEach { $0.applyToFetchRequest(fetchRequest) }
guard storeFound else {
return nil
}
return self.deleteAll(fetchRequest.dynamicCast())
return try self.deleteAll(fetchRequest.dynamicCast())
}
@nonobjc
internal func queryValue(_ from: CSFrom, _ selectClause: CSSelect, _ queryClauses: [CSQueryClause]) -> Any? {
internal func queryValue(_ from: CSFrom, _ selectClause: CSSelect, _ queryClauses: [CSQueryClause]) throws -> Any? {
let fetchRequest = CoreStoreFetchRequest()
let storeFound = from.bridgeToSwift.applyToFetchRequest(fetchRequest, context: self)
try from.bridgeToSwift.applyToFetchRequest(fetchRequest, context: self)
fetchRequest.fetchLimit = 0
selectClause.applyToFetchRequest(fetchRequest)
queryClauses.forEach { $0.applyToFetchRequest(fetchRequest) }
guard storeFound else {
return nil
}
return self.queryValue(selectClause.selectTerms, fetchRequest: fetchRequest.dynamicCast())
return try self.queryValue(selectClause.selectTerms, fetchRequest: fetchRequest.dynamicCast())
}
@nonobjc
internal func queryAttributes(_ from: CSFrom, _ selectClause: CSSelect, _ queryClauses: [CSQueryClause]) -> [[String: Any]]? {
internal func queryAttributes(_ from: CSFrom, _ selectClause: CSSelect, _ queryClauses: [CSQueryClause]) throws -> [[String: Any]] {
let fetchRequest = CoreStoreFetchRequest()
let storeFound = from.bridgeToSwift.applyToFetchRequest(fetchRequest, context: self)
try from.bridgeToSwift.applyToFetchRequest(fetchRequest, context: self)
fetchRequest.fetchLimit = 0
selectClause.applyToFetchRequest(fetchRequest)
queryClauses.forEach { $0.applyToFetchRequest(fetchRequest) }
guard storeFound else {
return nil
}
return self.queryAttributes(fetchRequest.dynamicCast())
return try self.queryAttributes(fetchRequest.dynamicCast())
}
}