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80 lines
2.6 KiB
Swift
80 lines
2.6 KiB
Swift
//
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// SectionMonitorBuilder.swift
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// CoreStore
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//
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// Copyright © 2018 John Rommel Estropia
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files (the "Software"), to deal
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// in the Software without restriction, including without limitation the rights
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// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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// copies of the Software, and to permit persons to whom the Software is
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// furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in all
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// copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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// SOFTWARE.
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//
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import Foundation
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import CoreData
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// MARK: - SectionMonitorChainBuilder
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/**
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The fetch builder type used for a sectioned `ListMonitor`. A `SectionMonitorChainBuilder` is created from a `From` clause and then a `sectionBy(...)` chain.
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```
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let monitor = transaction.monitorSectionedList(
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From<MyPersonEntity>()
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.sectionBy(\.age, { "\($0!) years old" })
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.where(\.age > 18)
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.orderBy(.ascending(\.age))
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)
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```
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*/
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public struct SectionMonitorChainBuilder<O: DynamicObject>: SectionMonitorBuilderType {
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// MARK: SectionMonitorBuilderType
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public var from: From<O>
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public var sectionBy: SectionBy<O>
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public var fetchClauses: [FetchClause] = []
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}
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// MARK: - SectionMonitorBuilderType
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/**
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Utility protocol for `SectionMonitorChainBuilder`. Used in methods that support chained fetch builders.
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*/
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public protocol SectionMonitorBuilderType {
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/**
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The `DynamicObject` type for the `ListMonitor`
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*/
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associatedtype ObjectType: DynamicObject
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/**
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The `From` clause specifies the source entity and source persistent store for the `ListMonitor`
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*/
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var from: From<ObjectType> { get set }
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/**
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The `SectionBy` clause to be used for the `ListMonitor`
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*/
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var sectionBy: SectionBy<ObjectType> { get set }
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/**
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The `FetchClause`s to be used for the `ListMonitor`
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*/
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var fetchClauses: [FetchClause] { get set }
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}
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