65 lines
2.4 KiB
Swift
65 lines
2.4 KiB
Swift
//
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// Copyright (c) 2017 Touch Instinct
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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
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// all 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
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// THE SOFTWARE.
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//
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public indirect enum PaginationLoadingState<DS: DataSourceProtocol> {
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case initial
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case loading(after: PaginationLoadingState)
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case loadingMore(after: PaginationLoadingState)
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case results(newItems: DS.ResultType, from: DS, after: PaginationLoadingState)
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case error(error: Error, after: PaginationLoadingState)
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case empty
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case exhausted
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}
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extension PaginationLoadingState: LoadingState {
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public typealias DataSourceType = DS
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public static var initialState: PaginationLoadingState<DS> {
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return .initial
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}
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public static var emptyState: PaginationLoadingState<DS> {
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return .empty
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}
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public static func loadingState(after: PaginationLoadingState<DS>) -> PaginationLoadingState<DS> {
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return .loading(after: after)
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}
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public static func resultState(result: DS.ResultType,
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from: DataSourceType,
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after: PaginationLoadingState<DS>) -> PaginationLoadingState<DS> {
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return .results(newItems: result, from: from, after: after)
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}
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public static func errorState(error: Error,
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after: PaginationLoadingState<DS>) -> PaginationLoadingState<DS> {
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return .error(error: error, after: after)
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}
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}
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