Files
CoreStore-JohnEstropia/Sources/CoreStoreObject+Querying.swift
2024-09-10 11:14:39 +09:00

289 lines
9.2 KiB
Swift

//
// CoreStoreObject+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 CoreData
import Foundation
// MARK: - FieldContainer.Stored
extension FieldContainer.Stored {
/**
Creates a `Where` clause by comparing if a property is equal to a value
```
let person = dataStack.fetchOne(From<Person>().where({ $0.nickname == "John" }))
```
*/
public static func == (
_ attribute: Self,
_ value: V
) -> Where<O> {
return Where(
attribute.keyPath,
isEqualTo: value
)
}
/**
Creates a `Where` clause by comparing if a property is not equal to a value
```
let person = dataStack.fetchOne(From<Person>().where({ $0.nickname != "John" }))
```
*/
public static func != (
_ attribute: Self,
_ value: V
) -> Where<O> {
return !Where(
attribute.keyPath,
isEqualTo: value
)
}
/**
Creates a `Where` clause by comparing if a property is less than a value
```
let person = dataStack.fetchOne(From<Person>().where({ $0.age < 20 }))
```
*/
public static func < (
_ attribute: Self,
_ value: V
) -> Where<O> {
return Where(
"%K < %@",
attribute.keyPath,
value.cs_toFieldStoredNativeType() as Any
)
}
/**
Creates a `Where` clause by comparing if a property is greater than a value
```
let person = dataStack.fetchOne(From<Person>().where({ $0.age > 20 }))
```
*/
public static func > (
_ attribute: Self,
_ value: V
) -> Where<O> {
return Where(
"%K > %@",
attribute.keyPath,
value.cs_toFieldStoredNativeType() as Any
)
}
/**
Creates a `Where` clause by comparing if a property is less than or equal to a value
```
let person = dataStack.fetchOne(From<Person>().where({ $0.age <= 20 }))
```
*/
public static func <= (
_ attribute: Self,
_ value: V
) -> Where<O> {
return Where(
"%K <= %@",
attribute.keyPath,
value.cs_toFieldStoredNativeType() as Any
)
}
/**
Creates a `Where` clause by comparing if a property is greater than or equal to a value
```
let person = dataStack.fetchOne(From<Person>().where({ $0.age >= 20 }))
```
*/
public static func >= (
_ attribute: Self,
_ value: V
) -> Where<O> {
return Where(
"%K >= %@",
attribute.keyPath,
value.cs_toFieldStoredNativeType() as Any
)
}
/**
Creates a `Where` clause by checking if a sequence contains the value of a property
```
let dog = dataStack.fetchOne(From<Dog>().where({ ["Pluto", "Snoopy", "Scooby"] ~= $0.nickname }))
```
*/
public static func ~= <S: Sequence>(
_ sequence: S,
_ attribute: Self
) -> Where<O> where S.Iterator.Element == V {
return Where(
attribute.keyPath,
isMemberOf: sequence
)
}
}
// MARK: - Deprecated
@available(*, deprecated, message: """
Legacy `Value.*`, `Transformable.*`, and `Relationship.*` declarations will soon be obsoleted. Please migrate your models and stores to new models that use `@Field.*` property wrappers. See: https://github.com/JohnEstropia/CoreStore?tab=readme-ov-file#new-field-property-wrapper-syntax
""")
extension ValueContainer.Required {
public static func == (_ attribute: ValueContainer<O>.Required<V>, _ value: V) -> Where<O> {
return Where(attribute.keyPath, isEqualTo: value)
}
public static func != (_ attribute: ValueContainer<O>.Required<V>, _ value: V) -> Where<O> {
return !Where(attribute.keyPath, isEqualTo: value)
}
public static func < (_ attribute: ValueContainer<O>.Required<V>, _ value: V) -> Where<O> {
return Where("%K < %@", attribute.keyPath, value.cs_toQueryableNativeType())
}
public static func > (_ attribute: ValueContainer<O>.Required<V>, _ value: V) -> Where<O> {
return Where("%K > %@", attribute.keyPath, value.cs_toQueryableNativeType())
}
public static func <= (_ attribute: ValueContainer<O>.Required<V>, _ value: V) -> Where<O> {
return Where("%K <= %@", attribute.keyPath, value.cs_toQueryableNativeType())
}
public static func >= (_ attribute: ValueContainer<O>.Required<V>, _ value: V) -> Where<O> {
return Where("%K >= %@", attribute.keyPath, value.cs_toQueryableNativeType())
}
public static func ~= <S: Sequence>(_ sequence: S, _ attribute: ValueContainer<O>.Required<V>) -> Where<O> where S.Iterator.Element == V {
return Where(attribute.keyPath, isMemberOf: sequence)
}
}
@available(*, deprecated, message: """
Legacy `Value.*`, `Transformable.*`, and `Relationship.*` declarations will soon be obsoleted. Please migrate your models and stores to new models that use `@Field.*` property wrappers. See: https://github.com/JohnEstropia/CoreStore?tab=readme-ov-file#new-field-property-wrapper-syntax
""")
extension ValueContainer.Optional {
public static func == (_ attribute: ValueContainer<O>.Optional<V>, _ value: V?) -> Where<O> {
return Where(attribute.keyPath, isEqualTo: value)
}
public static func != (_ attribute: ValueContainer<O>.Optional<V>, _ value: V?) -> Where<O> {
return !Where(attribute.keyPath, isEqualTo: value)
}
public static func < (_ attribute: ValueContainer<O>.Optional<V>, _ value: V?) -> Where<O> {
if let value = value {
return Where("%K < %@", attribute.keyPath, value.cs_toQueryableNativeType())
}
else {
return Where("%K < nil", attribute.keyPath)
}
}
public static func > (_ attribute: ValueContainer<O>.Optional<V>, _ value: V?) -> Where<O> {
if let value = value {
return Where("%K > %@", attribute.keyPath, value.cs_toQueryableNativeType())
}
else {
return Where("%K > nil", attribute.keyPath)
}
}
public static func <= (_ attribute: ValueContainer<O>.Optional<V>, _ value: V?) -> Where<O> {
if let value = value {
return Where("%K <= %@", attribute.keyPath, value.cs_toQueryableNativeType())
}
else {
return Where("%K <= nil", attribute.keyPath)
}
}
public static func >= (_ attribute: ValueContainer<O>.Optional<V>, _ value: V?) -> Where<O> {
if let value = value {
return Where("%K >= %@", attribute.keyPath, value.cs_toQueryableNativeType())
}
else {
return Where("%K >= nil", attribute.keyPath)
}
}
public static func ~= <S: Sequence>(_ sequence: S, _ attribute: ValueContainer<O>.Optional<V>) -> Where<O> where S.Iterator.Element == V {
return Where(attribute.keyPath, isMemberOf: sequence)
}
}
@available(*, deprecated, message: """
Legacy `Value.*`, `Transformable.*`, and `Relationship.*` declarations will soon be obsoleted. Please migrate your models and stores to new models that use `@Field.*` property wrappers. See: https://github.com/JohnEstropia/CoreStore?tab=readme-ov-file#new-field-property-wrapper-syntax
""")
extension RelationshipContainer.ToOne {
public static func == (_ relationship: RelationshipContainer<O>.ToOne<D>, _ object: D?) -> Where<O> {
return Where(relationship.keyPath, isEqualTo: object)
}
public static func != (_ relationship: RelationshipContainer<O>.ToOne<D>, _ object: D?) -> Where<O> {
return !Where(relationship.keyPath, isEqualTo: object)
}
public static func ~= <S: Sequence>(_ sequence: S, _ relationship: RelationshipContainer<O>.ToOne<D>) -> Where<O> where S.Iterator.Element == D {
return Where(relationship.keyPath, isMemberOf: sequence)
}
}