Files
CoreStore/Sources/From+Querying.swift
2018-09-15 12:56:08 +09:00

859 lines
35 KiB
Swift

//
// From+Querying.swift
// CoreStore
//
// Copyright © 2018 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
// MARK: - From
public extension From {
/**
Creates a `FetchChainBuilder` that starts with the specified `Where` clause
- parameter clause: the `Where` clause to create a `FetchChainBuilder` with
- returns: a `FetchChainBuilder` that starts with the specified `Where` clause
*/
public func `where`(_ clause: Where<D>) -> FetchChainBuilder<D> {
return self.fetchChain(appending: clause)
}
/**
Creates a `FetchChainBuilder` with a predicate using the specified string format and arguments
- parameter format: the format string for the predicate
- parameter args: the arguments for `format`
- returns: a `FetchChainBuilder` with a predicate using the specified string format and arguments
*/
public func `where`(format: String, _ args: Any...) -> FetchChainBuilder<D> {
return self.fetchChain(appending: Where<D>(format, argumentArray: args))
}
/**
Creates a `FetchChainBuilder` with a predicate using the specified string format and arguments
- parameter format: the format string for the predicate
- parameter argumentArray: the arguments for `format`
- returns: a `FetchChainBuilder` with a predicate using the specified string format and arguments
*/
public func `where`(format: String, argumentArray: [Any]?) -> FetchChainBuilder<D> {
return self.fetchChain(appending: Where<D>(format, argumentArray: argumentArray))
}
/**
Creates a `FetchChainBuilder` with a series of `SortKey`s
- parameter sortKey: a single `SortKey`
- parameter sortKeys: a series of other `SortKey`s
- returns: a `FetchChainBuilder` with a series of `SortKey`s
*/
public func orderBy(_ sortKey: OrderBy<D>.SortKey, _ sortKeys: OrderBy<D>.SortKey...) -> FetchChainBuilder<D> {
return self.fetchChain(appending: OrderBy<D>([sortKey] + sortKeys))
}
/**
Creates a `FetchChainBuilder` with a closure where the `NSFetchRequest` may be configured
- parameter fetchRequest: the block to customize the `NSFetchRequest`
- returns: a `FetchChainBuilder` with closure where the `NSFetchRequest` may be configured
*/
public func tweak(_ fetchRequest: @escaping (NSFetchRequest<NSFetchRequestResult>) -> Void) -> FetchChainBuilder<D> {
return self.fetchChain(appending: Tweak(fetchRequest))
}
/**
Creates a `FetchChainBuilder` and immediately appending a `FetchClause`
- parameter clause: the `FetchClause` to add to the `FetchChainBuilder`
- returns: a `FetchChainBuilder` containing the specified `FetchClause`
*/
public func appending(_ clause: FetchClause) -> FetchChainBuilder<D> {
return self.fetchChain(appending: clause)
}
/**
Creates a `FetchChainBuilder` and immediately appending a series of `FetchClause`s
- parameter clauses: the `FetchClause`s to add to the `FetchChainBuilder`
- returns: a `FetchChainBuilder` containing the specified `FetchClause`s
*/
public func appending<S: Sequence>(contentsOf clauses: S) -> FetchChainBuilder<D> where S.Element == FetchClause {
return self.fetchChain(appending: clauses)
}
/**
Creates a `QueryChainBuilder` that starts with the specified `Select` clause
- parameter clause: the `Select` clause to create a `QueryChainBuilder` with
- returns: a `QueryChainBuilder` that starts with the specified `Select` clause
*/
public func select<R>(_ clause: Select<D, R>) -> QueryChainBuilder<D, R> {
return .init(
from: self,
select: clause,
queryClauses: []
)
}
/**
Creates a `QueryChainBuilder` that starts with a `Select` clause created from the specified `SelectTerm`s
- parameter resultType: the generic `SelectResultType` for the `Select` clause
- parameter selectTerm: a `SelectTerm`
- parameter selectTerms: a series of `SelectTerm`s
- returns: a `QueryChainBuilder` that starts with a `Select` clause created from the specified `SelectTerm`s
*/
public func select<R>(_ resultType: R.Type, _ selectTerm: SelectTerm<D>, _ selectTerms: SelectTerm<D>...) -> QueryChainBuilder<D, R> {
return self.select(resultType, [selectTerm] + selectTerms)
}
/**
Creates a `QueryChainBuilder` that starts with a `Select` clause created from the specified `SelectTerm`s
- parameter resultType: the generic `SelectResultType` for the `Select` clause
- parameter selectTerms: a series of `SelectTerm`s
- returns: a `QueryChainBuilder` that starts with a `Select` clause created from the specified `SelectTerm`s
*/
public func select<R>(_ resultType: R.Type, _ selectTerms: [SelectTerm<D>]) -> QueryChainBuilder<D, R> {
return .init(
from: self,
select: .init(selectTerms),
queryClauses: []
)
}
/**
Creates a `SectionMonitorChainBuilder` that starts with the `SectionBy` to use to group `ListMonitor` objects into sections
- parameter clause: the `SectionBy` to be used by the `ListMonitor`
- returns: a `SectionMonitorChainBuilder` that is sectioned by the specified key path
*/
@available(macOS 10.12, *)
public func sectionBy(_ clause: SectionBy<D>) -> SectionMonitorChainBuilder<D> {
return .init(
from: self,
sectionBy: clause,
fetchClauses: []
)
}
/**
Creates a `SectionMonitorChainBuilder` with the key path to use to group `ListMonitor` objects into sections
- parameter sectionKeyPath: the key path to use to group the objects into sections
- returns: a `SectionMonitorChainBuilder` that is sectioned by the specified key path
*/
@available(macOS 10.12, *)
public func sectionBy(_ sectionKeyPath: KeyPathString) -> SectionMonitorChainBuilder<D> {
return self.sectionBy(sectionKeyPath, { $0 })
}
/**
Creates a `SectionMonitorChainBuilder` with the key path to use to group `ListMonitor` objects into sections, and a closure to transform the value for the key path to an appropriate section name
- Important: Some utilities (such as `ListMonitor`s) may keep `SectionBy`s in memory and may thus introduce retain cycles if reference captures are not handled properly.
- parameter sectionKeyPath: the key path to use to group the objects into sections
- parameter sectionIndexTransformer: a closure to transform the value for the key path to an appropriate section name
- returns: a `SectionMonitorChainBuilder` that is sectioned by the specified key path
*/
@available(macOS 10.12, *)
public func sectionBy(_ sectionKeyPath: KeyPathString, _ sectionIndexTransformer: @escaping (_ sectionName: String?) -> String?) -> SectionMonitorChainBuilder<D> {
return .init(
from: self,
sectionBy: .init(sectionKeyPath, sectionIndexTransformer),
fetchClauses: []
)
}
// MARK: Private
private func fetchChain(appending clause: FetchClause) -> FetchChainBuilder<D> {
return .init(from: self, fetchClauses: [clause])
}
private func fetchChain<S: Sequence>(appending clauses: S) -> FetchChainBuilder<D> where S.Element == FetchClause {
return .init(from: self, fetchClauses: Array(clauses))
}
}
public extension From where D: NSManagedObject {
/**
Creates a `QueryChainBuilder` that starts with a `Select` clause created from the specified key path
- parameter keyPath: the keyPath to query the value for
- returns: a `QueryChainBuilder` that starts with a `Select` clause created from the specified key path
*/
public func select<R>(_ keyPath: KeyPath<D, R>) -> QueryChainBuilder<D, R> {
return self.select(R.self, [SelectTerm<D>.attribute(keyPath)])
}
/**
Creates a `SectionMonitorChainBuilder` with the key path to use to group `ListMonitor` objects into sections
- parameter sectionKeyPath: the `KeyPath` to use to group the objects into sections
- returns: a `SectionMonitorChainBuilder` that is sectioned by the specified key path
*/
@available(macOS 10.12, *)
public func sectionBy<T>(_ sectionKeyPath: KeyPath<D, T>) -> SectionMonitorChainBuilder<D> {
return self.sectionBy(sectionKeyPath._kvcKeyPathString!, { $0 })
}
/**
Creates a `SectionMonitorChainBuilder` with the key path to use to group `ListMonitor` objects into sections, and a closure to transform the value for the key path to an appropriate section name
- Important: Some utilities (such as `ListMonitor`s) may keep `SectionBy`s in memory and may thus introduce retain cycles if reference captures are not handled properly.
- parameter sectionKeyPath: the `KeyPath` to use to group the objects into sections
- parameter sectionIndexTransformer: a closure to transform the value for the key path to an appropriate section name
- returns: a `SectionMonitorChainBuilder` that is sectioned by the specified key path
*/
@available(macOS 10.12, *)
public func sectionBy<T>(_ sectionKeyPath: KeyPath<D, T>, _ sectionIndexTransformer: @escaping (_ sectionName: String?) -> String?) -> SectionMonitorChainBuilder<D> {
return self.sectionBy(sectionKeyPath._kvcKeyPathString!, sectionIndexTransformer)
}
}
public extension From where D: CoreStoreObject {
/**
Creates a `FetchChainBuilder` that starts with the specified `Where` clause
- parameter clause: a closure that returns a `Where` clause
- returns: a `FetchChainBuilder` that starts with the specified `Where` clause
*/
public func `where`<T: AnyWhereClause>(_ clause: (D) -> T) -> FetchChainBuilder<D> {
return self.fetchChain(appending: clause(D.meta))
}
/**
Creates a `QueryChainBuilder` that starts with a `Select` clause created from the specified key path
- parameter keyPath: the keyPath to query the value for
- returns: a `QueryChainBuilder` that starts with a `Select` clause created from the specified key path
*/
public func select<R>(_ keyPath: KeyPath<D, ValueContainer<D>.Required<R>>) -> QueryChainBuilder<D, R> {
return self.select(R.self, [SelectTerm<D>.attribute(keyPath)])
}
/**
Creates a `QueryChainBuilder` that starts with a `Select` clause created from the specified key path
- parameter keyPath: the keyPath to query the value for
- returns: a `QueryChainBuilder` that starts with a `Select` clause created from the specified key path
*/
public func select<R>(_ keyPath: KeyPath<D, ValueContainer<D>.Optional<R>>) -> QueryChainBuilder<D, R> {
return self.select(R.self, [SelectTerm<D>.attribute(keyPath)])
}
/**
Creates a `QueryChainBuilder` that starts with a `Select` clause created from the specified key path
- parameter keyPath: the keyPath to query the value for
- returns: a `QueryChainBuilder` that starts with a `Select` clause created from the specified key path
*/
public func select<R>(_ keyPath: KeyPath<D, TransformableContainer<D>.Required<R>>) -> QueryChainBuilder<D, R> {
return self.select(R.self, [SelectTerm<D>.attribute(keyPath)])
}
/**
Creates a `QueryChainBuilder` that starts with a `Select` clause created from the specified key path
- parameter keyPath: the keyPath to query the value for
- returns: a `QueryChainBuilder` that starts with a `Select` clause created from the specified key path
*/
public func select<R>(_ keyPath: KeyPath<D, TransformableContainer<D>.Optional<R>>) -> QueryChainBuilder<D, R> {
return self.select(R.self, [SelectTerm<D>.attribute(keyPath)])
}
/**
Creates a `SectionMonitorChainBuilder` with the key path to use to group `ListMonitor` objects into sections
- parameter sectionKeyPath: the `KeyPath` to use to group the objects into sections
- returns: a `SectionMonitorChainBuilder` that is sectioned by the specified key path
*/
@available(macOS 10.12, *)
public func sectionBy<T>(_ sectionKeyPath: KeyPath<D, ValueContainer<D>.Required<T>>) -> SectionMonitorChainBuilder<D> {
return self.sectionBy(D.meta[keyPath: sectionKeyPath].keyPath, { $0 })
}
/**
Creates a `SectionMonitorChainBuilder` with the key path to use to group `ListMonitor` objects into sections
- parameter sectionKeyPath: the `KeyPath` to use to group the objects into sections
- returns: a `SectionMonitorChainBuilder` that is sectioned by the specified key path
*/
@available(macOS 10.12, *)
public func sectionBy<T>(_ sectionKeyPath: KeyPath<D, ValueContainer<D>.Optional<T>>) -> SectionMonitorChainBuilder<D> {
return self.sectionBy(D.meta[keyPath: sectionKeyPath].keyPath, { $0 })
}
/**
Creates a `SectionMonitorChainBuilder` with the key path to use to group `ListMonitor` objects into sections
- parameter sectionKeyPath: the `KeyPath` to use to group the objects into sections
- returns: a `SectionMonitorChainBuilder` that is sectioned by the specified key path
*/
@available(macOS 10.12, *)
public func sectionBy<T>(_ sectionKeyPath: KeyPath<D, TransformableContainer<D>.Required<T>>) -> SectionMonitorChainBuilder<D> {
return self.sectionBy(D.meta[keyPath: sectionKeyPath].keyPath, { $0 })
}
/**
Creates a `SectionMonitorChainBuilder` with the key path to use to group `ListMonitor` objects into sections
- parameter sectionKeyPath: the `KeyPath` to use to group the objects into sections
- returns: a `SectionMonitorChainBuilder` that is sectioned by the specified key path
*/
@available(macOS 10.12, *)
public func sectionBy<T>(_ sectionKeyPath: KeyPath<D, TransformableContainer<D>.Optional<T>>) -> SectionMonitorChainBuilder<D> {
return self.sectionBy(D.meta[keyPath: sectionKeyPath].keyPath, { $0 })
}
/**
Creates a `SectionMonitorChainBuilder` with the key path to use to group `ListMonitor` objects into sections, and a closure to transform the value for the key path to an appropriate section name
- Important: Some utilities (such as `ListMonitor`s) may keep `SectionBy`s in memory and may thus introduce retain cycles if reference captures are not handled properly.
- parameter sectionKeyPath: the `KeyPath` to use to group the objects into sections
- parameter sectionIndexTransformer: a closure to transform the value for the key path to an appropriate section name
- returns: a `SectionMonitorChainBuilder` that is sectioned by the specified key path
*/
@available(macOS 10.12, *)
public func sectionBy<T>(_ sectionKeyPath: KeyPath<D, ValueContainer<D>.Required<T>>, _ sectionIndexTransformer: @escaping (_ sectionName: String?) -> String?) -> SectionMonitorChainBuilder<D> {
return self.sectionBy(D.meta[keyPath: sectionKeyPath].keyPath, sectionIndexTransformer)
}
/**
Creates a `SectionMonitorChainBuilder` with the key path to use to group `ListMonitor` objects into sections, and a closure to transform the value for the key path to an appropriate section name
- Important: Some utilities (such as `ListMonitor`s) may keep `SectionBy`s in memory and may thus introduce retain cycles if reference captures are not handled properly.
- parameter sectionKeyPath: the `KeyPath` to use to group the objects into sections
- parameter sectionIndexTransformer: a closure to transform the value for the key path to an appropriate section name
- returns: a `SectionMonitorChainBuilder` that is sectioned by the specified key path
*/
@available(macOS 10.12, *)
public func sectionBy<T>(_ sectionKeyPath: KeyPath<D, ValueContainer<D>.Optional<T>>, _ sectionIndexTransformer: @escaping (_ sectionName: String?) -> String?) -> SectionMonitorChainBuilder<D> {
return self.sectionBy(D.meta[keyPath: sectionKeyPath].keyPath, sectionIndexTransformer)
}
/**
Creates a `SectionMonitorChainBuilder` with the key path to use to group `ListMonitor` objects into sections, and a closure to transform the value for the key path to an appropriate section name
- Important: Some utilities (such as `ListMonitor`s) may keep `SectionBy`s in memory and may thus introduce retain cycles if reference captures are not handled properly.
- parameter sectionKeyPath: the `KeyPath` to use to group the objects into sections
- parameter sectionIndexTransformer: a closure to transform the value for the key path to an appropriate section name
- returns: a `SectionMonitorChainBuilder` that is sectioned by the specified key path
*/
@available(macOS 10.12, *)
public func sectionBy<T>(_ sectionKeyPath: KeyPath<D, TransformableContainer<D>.Required<T>>, _ sectionIndexTransformer: @escaping (_ sectionName: String?) -> String?) -> SectionMonitorChainBuilder<D> {
return self.sectionBy(D.meta[keyPath: sectionKeyPath].keyPath, sectionIndexTransformer)
}
/**
Creates a `SectionMonitorChainBuilder` with the key path to use to group `ListMonitor` objects into sections, and a closure to transform the value for the key path to an appropriate section name
- Important: Some utilities (such as `ListMonitor`s) may keep `SectionBy`s in memory and may thus introduce retain cycles if reference captures are not handled properly.
- parameter sectionKeyPath: the `KeyPath` to use to group the objects into sections
- parameter sectionIndexTransformer: a closure to transform the value for the key path to an appropriate section name
- returns: a `SectionMonitorChainBuilder` that is sectioned by the specified key path
*/
@available(macOS 10.12, *)
public func sectionBy<T>(_ sectionKeyPath: KeyPath<D, TransformableContainer<D>.Optional<T>>, _ sectionIndexTransformer: @escaping (_ sectionName: String?) -> String?) -> SectionMonitorChainBuilder<D> {
return self.sectionBy(D.meta[keyPath: sectionKeyPath].keyPath, sectionIndexTransformer)
}
}
public extension FetchChainBuilder {
/**
Adds a `Where` clause to the `FetchChainBuilder`
- parameter clause: a `Where` clause to add to the fetch builder
- returns: a new `FetchChainBuilder` containing the `Where` clause
*/
public func `where`(_ clause: Where<D>) -> FetchChainBuilder<D> {
return self.fetchChain(appending: clause)
}
/**
Adds a `Where` clause to the `FetchChainBuilder`
- parameter format: the format string for the predicate
- parameter args: the arguments for `format`
- returns: a new `FetchChainBuilder` containing the `Where` clause
*/
public func `where`(format: String, _ args: Any...) -> FetchChainBuilder<D> {
return self.fetchChain(appending: Where<D>(format, argumentArray: args))
}
/**
Adds a `Where` clause to the `FetchChainBuilder`
- parameter format: the format string for the predicate
- parameter argumentArray: the arguments for `format`
- returns: a new `FetchChainBuilder` containing the `Where` clause
*/
public func `where`(format: String, argumentArray: [Any]?) -> FetchChainBuilder<D> {
return self.fetchChain(appending: Where<D>(format, argumentArray: argumentArray))
}
/**
Adds an `OrderBy` clause to the `FetchChainBuilder`
- parameter sortKey: a single `SortKey`
- parameter sortKeys: a series of other `SortKey`s
- returns: a new `FetchChainBuilder` containing the `OrderBy` clause
*/
public func orderBy(_ sortKey: OrderBy<D>.SortKey, _ sortKeys: OrderBy<D>.SortKey...) -> FetchChainBuilder<D> {
return self.fetchChain(appending: OrderBy<D>([sortKey] + sortKeys))
}
/**
Adds a `Tweak` clause to the `FetchChainBuilder` with a closure where the `NSFetchRequest` may be configured
- parameter fetchRequest: the block to customize the `NSFetchRequest`
- returns: a new `FetchChainBuilder` containing the `Tweak` clause
*/
public func tweak(_ fetchRequest: @escaping (NSFetchRequest<NSFetchRequestResult>) -> Void) -> FetchChainBuilder<D> {
return self.fetchChain(appending: Tweak(fetchRequest))
}
/**
Appends a `FetchClause` to the `FetchChainBuilder`
- parameter clause: the `FetchClause` to add to the `FetchChainBuilder`
- returns: a new `FetchChainBuilder` containing the `FetchClause`
*/
public func appending(_ clause: FetchClause) -> FetchChainBuilder<D> {
return self.fetchChain(appending: clause)
}
/**
Appends a series of `FetchClause`s to the `FetchChainBuilder`
- parameter clauses: the `FetchClause`s to add to the `FetchChainBuilder`
- returns: a new `FetchChainBuilder` containing the `FetchClause`s
*/
public func appending<S: Sequence>(contentsOf clauses: S) -> FetchChainBuilder<D> where S.Element == FetchClause {
return self.fetchChain(appending: clauses)
}
// MARK: Private
private func fetchChain(appending clause: FetchClause) -> FetchChainBuilder<D> {
return .init(
from: self.from,
fetchClauses: self.fetchClauses + [clause]
)
}
private func fetchChain<S: Sequence>(appending clauses: S) -> FetchChainBuilder<D> where S.Element == FetchClause {
return .init(
from: self.from,
fetchClauses: self.fetchClauses + Array(clauses)
)
}
}
public extension FetchChainBuilder where D: CoreStoreObject {
public func `where`<T: AnyWhereClause>(_ clause: (D) -> T) -> FetchChainBuilder<D> {
return self.fetchChain(appending: clause(D.meta))
}
}
public extension QueryChainBuilder {
/**
Adds a `Where` clause to the `QueryChainBuilder`
- parameter clause: a `Where` clause to add to the query builder
- returns: a new `QueryChainBuilder` containing the `Where` clause
*/
public func `where`(_ clause: Where<D>) -> QueryChainBuilder<D, R> {
return self.queryChain(appending: clause)
}
/**
Adds a `Where` clause to the `QueryChainBuilder`
- parameter format: the format string for the predicate
- parameter args: the arguments for `format`
- returns: a new `QueryChainBuilder` containing the `Where` clause
*/
public func `where`(format: String, _ args: Any...) -> QueryChainBuilder<D, R> {
return self.queryChain(appending: Where<D>(format, argumentArray: args))
}
/**
Adds a `Where` clause to the `QueryChainBuilder`
- parameter format: the format string for the predicate
- parameter argumentArray: the arguments for `format`
- returns: a new `QueryChainBuilder` containing the `Where` clause
*/
public func `where`(format: String, argumentArray: [Any]?) -> QueryChainBuilder<D, R> {
return self.queryChain(appending: Where<D>(format, argumentArray: argumentArray))
}
/**
Adds an `OrderBy` clause to the `QueryChainBuilder`
- parameter sortKey: a single `SortKey`
- parameter sortKeys: a series of other `SortKey`s
- returns: a new `QueryChainBuilder` containing the `OrderBy` clause
*/
public func orderBy(_ sortKey: OrderBy<D>.SortKey, _ sortKeys: OrderBy<D>.SortKey...) -> QueryChainBuilder<D, R> {
return self.queryChain(appending: OrderBy<D>([sortKey] + sortKeys))
}
/**
Adds a `Tweak` clause to the `QueryChainBuilder` with a closure where the `NSFetchRequest` may be configured
- parameter fetchRequest: the block to customize the `NSFetchRequest`
- returns: a new `QueryChainBuilder` containing the `Tweak` clause
*/
public func tweak(_ fetchRequest: @escaping (NSFetchRequest<NSFetchRequestResult>) -> Void) -> QueryChainBuilder<D, R> {
return self.queryChain(appending: Tweak(fetchRequest))
}
/**
Adds a `GroupBy` clause to the `QueryChainBuilder`
- parameter clause: a `GroupBy` clause to add to the query builder
- returns: a new `QueryChainBuilder` containing the `GroupBy` clause
*/
public func groupBy(_ clause: GroupBy<D>) -> QueryChainBuilder<D, R> {
return self.queryChain(appending: clause)
}
/**
Adds a `GroupBy` clause to the `QueryChainBuilder`
- parameter keyPath: a key path to group the query results with
- parameter keyPaths: other key paths to group the query results with
- returns: a new `QueryChainBuilder` containing the `GroupBy` clause
*/
public func groupBy(_ keyPath: KeyPathString, _ keyPaths: KeyPathString...) -> QueryChainBuilder<D, R> {
return self.groupBy(GroupBy<D>([keyPath] + keyPaths))
}
/**
Adds a `GroupBy` clause to the `QueryChainBuilder`
- parameter keyPaths: a series of key paths to group the query results with
- returns: a new `QueryChainBuilder` containing the `GroupBy` clause
*/
public func groupBy(_ keyPaths: [KeyPathString]) -> QueryChainBuilder<D, R> {
return self.queryChain(appending: GroupBy<D>(keyPaths))
}
/**
Appends a `QueryClause` to the `QueryChainBuilder`
- parameter clause: the `QueryClause` to add to the `QueryChainBuilder`
- returns: a new `QueryChainBuilder` containing the `QueryClause`
*/
public func appending(_ clause: QueryClause) -> QueryChainBuilder<D, R> {
return self.queryChain(appending: clause)
}
/**
Appends a series of `QueryClause`s to the `QueryChainBuilder`
- parameter clauses: the `QueryClause`s to add to the `QueryChainBuilder`
- returns: a new `QueryChainBuilder` containing the `QueryClause`s
*/
public func appending<S: Sequence>(contentsOf clauses: S) -> QueryChainBuilder<D, R> where S.Element == QueryClause {
return self.queryChain(appending: clauses)
}
// MARK: Private
private func queryChain(appending clause: QueryClause) -> QueryChainBuilder<D, R> {
return .init(
from: self.from,
select: self.select,
queryClauses: self.queryClauses + [clause]
)
}
private func queryChain<S: Sequence>(appending clauses: S) -> QueryChainBuilder<D, R> where S.Element == QueryClause {
return .init(
from: self.from,
select: self.select,
queryClauses: self.queryClauses + Array(clauses)
)
}
}
public extension QueryChainBuilder where D: NSManagedObject {
/**
Adds a `GroupBy` clause to the `QueryChainBuilder`
- parameter keyPath: a key path to group the query results with
- returns: a new `QueryChainBuilder` containing the `GroupBy` clause
*/
public func groupBy<T>(_ keyPath: KeyPath<D, T>) -> QueryChainBuilder<D, R> {
return self.groupBy(GroupBy<D>(keyPath))
}
}
public extension QueryChainBuilder where D: CoreStoreObject {
/**
Adds a `Where` clause to the `QueryChainBuilder`
- parameter clause: a `Where` clause to add to the query builder
- returns: a new `QueryChainBuilder` containing the `Where` clause
*/
public func `where`<T: AnyWhereClause>(_ clause: (D) -> T) -> QueryChainBuilder<D, R> {
return self.queryChain(appending: clause(D.meta))
}
/**
Adds a `GroupBy` clause to the `QueryChainBuilder`
- parameter keyPath: a key path to group the query results with
- returns: a new `QueryChainBuilder` containing the `GroupBy` clause
*/
public func groupBy<T>(_ keyPath: KeyPath<D, ValueContainer<D>.Required<T>>) -> QueryChainBuilder<D, R> {
return self.groupBy(GroupBy<D>(keyPath))
}
/**
Adds a `GroupBy` clause to the `QueryChainBuilder`
- parameter keyPath: a key path to group the query results with
- returns: a new `QueryChainBuilder` containing the `GroupBy` clause
*/
public func groupBy<T>(_ keyPath: KeyPath<D, ValueContainer<D>.Optional<T>>) -> QueryChainBuilder<D, R> {
return self.groupBy(GroupBy<D>(keyPath))
}
/**
Adds a `GroupBy` clause to the `QueryChainBuilder`
- parameter keyPath: a key path to group the query results with
- returns: a new `QueryChainBuilder` containing the `GroupBy` clause
*/
public func groupBy<T>(_ keyPath: KeyPath<D, TransformableContainer<D>.Required<T>>) -> QueryChainBuilder<D, R> {
return self.groupBy(GroupBy<D>(keyPath))
}
/**
Adds a `GroupBy` clause to the `QueryChainBuilder`
- parameter keyPath: a key path to group the query results with
- returns: a new `QueryChainBuilder` containing the `GroupBy` clause
*/
public func groupBy<T>(_ keyPath: KeyPath<D, TransformableContainer<D>.Optional<T>>) -> QueryChainBuilder<D, R> {
return self.groupBy(GroupBy<D>(keyPath))
}
}
@available(macOS 10.12, *)
public extension SectionMonitorChainBuilder {
/**
Adds a `Where` clause to the `SectionMonitorChainBuilder`
- parameter clause: a `Where` clause to add to the fetch builder
- returns: a new `SectionMonitorChainBuilder` containing the `Where` clause
*/
public func `where`(_ clause: Where<D>) -> SectionMonitorChainBuilder<D> {
return self.sectionMonitorChain(appending: clause)
}
/**
Adds a `Where` clause to the `SectionMonitorChainBuilder`
- parameter format: the format string for the predicate
- parameter args: the arguments for `format`
- returns: a new `SectionMonitorChainBuilder` containing the `Where` clause
*/
public func `where`(format: String, _ args: Any...) -> SectionMonitorChainBuilder<D> {
return self.sectionMonitorChain(appending: Where<D>(format, argumentArray: args))
}
/**
Adds a `Where` clause to the `SectionMonitorChainBuilder`
- parameter format: the format string for the predicate
- parameter argumentArray: the arguments for `format`
- returns: a new `SectionMonitorChainBuilder` containing the `Where` clause
*/
public func `where`(format: String, argumentArray: [Any]?) -> SectionMonitorChainBuilder<D> {
return self.sectionMonitorChain(appending: Where<D>(format, argumentArray: argumentArray))
}
/**
Adds an `OrderBy` clause to the `SectionMonitorChainBuilder`
- parameter sortKey: a single `SortKey`
- parameter sortKeys: a series of other `SortKey`s
- returns: a new `SectionMonitorChainBuilder` containing the `OrderBy` clause
*/
public func orderBy(_ sortKey: OrderBy<D>.SortKey, _ sortKeys: OrderBy<D>.SortKey...) -> SectionMonitorChainBuilder<D> {
return self.sectionMonitorChain(appending: OrderBy<D>([sortKey] + sortKeys))
}
/**
Adds a `Tweak` clause to the `SectionMonitorChainBuilder` with a closure where the `NSFetchRequest` may be configured
- parameter fetchRequest: the block to customize the `NSFetchRequest`
- returns: a new `SectionMonitorChainBuilder` containing the `Tweak` clause
*/
public func tweak(_ fetchRequest: @escaping (NSFetchRequest<NSFetchRequestResult>) -> Void) -> SectionMonitorChainBuilder<D> {
return self.sectionMonitorChain(appending: Tweak(fetchRequest))
}
/**
Appends a `QueryClause` to the `SectionMonitorChainBuilder`
- parameter clause: the `QueryClause` to add to the `SectionMonitorChainBuilder`
- returns: a new `SectionMonitorChainBuilder` containing the `QueryClause`
*/
public func appending(_ clause: FetchClause) -> SectionMonitorChainBuilder<D> {
return self.sectionMonitorChain(appending: clause)
}
/**
Appends a series of `QueryClause`s to the `SectionMonitorChainBuilder`
- parameter clauses: the `QueryClause`s to add to the `SectionMonitorChainBuilder`
- returns: a new `SectionMonitorChainBuilder` containing the `QueryClause`s
*/
public func appending<S: Sequence>(contentsOf clauses: S) -> SectionMonitorChainBuilder<D> where S.Element == FetchClause {
return self.sectionMonitorChain(appending: clauses)
}
// MARK: Private
private func sectionMonitorChain(appending clause: FetchClause) -> SectionMonitorChainBuilder<D> {
return .init(
from: self.from,
sectionBy: self.sectionBy,
fetchClauses: self.fetchClauses + [clause]
)
}
private func sectionMonitorChain<S: Sequence>(appending clauses: S) -> SectionMonitorChainBuilder<D> where S.Element == FetchClause {
return .init(
from: self.from,
sectionBy: self.sectionBy,
fetchClauses: self.fetchClauses + Array(clauses)
)
}
}
@available(macOS 10.12, *)
public extension SectionMonitorChainBuilder where D: CoreStoreObject {
/**
Adds a `Where` clause to the `SectionMonitorChainBuilder`
- parameter clause: a `Where` clause to add to the fetch builder
- returns: a new `SectionMonitorChainBuilder` containing the `Where` clause
*/
public func `where`<T: AnyWhereClause>(_ clause: (D) -> T) -> SectionMonitorChainBuilder<D> {
return self.sectionMonitorChain(appending: clause(D.meta))
}
}