61 lines
1.6 KiB
Swift
61 lines
1.6 KiB
Swift
//
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// ScenicSpotContext.swift
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// suixinkan
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//
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// Created by Codex on 2026/6/22.
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//
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import Foundation
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import Observation
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/// 景点加载阶段实体，表示当前景区景点列表的加载状态。
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enum ScenicSpotLoadState: Equatable {
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case idle
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case loading
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case loaded
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case failed(String)
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}
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@MainActor
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@Observable
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/// 景点上下文状态中心，保存当前景区下的景点或打卡点列表。
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final class ScenicSpotContext {
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private(set) var scenicId: Int?
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private(set) var spots: [ScenicSpotItem] = []
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private(set) var loadState: ScenicSpotLoadState = .idle
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/// 按景区 ID 重新加载景点列表，失败只影响景点模块本身。
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func reload(scenicId: Int?, api: AccountContextServing) async {
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guard let scenicId else {
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reset()
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return
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}
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if self.scenicId != scenicId {
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spots = []
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}
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self.scenicId = scenicId
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loadState = .loading
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do {
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let response = try await api.scenicSpotListAll(scenicId: scenicId)
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guard !Task.isCancelled else { return }
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spots = response.list
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loadState = .loaded
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} catch is CancellationError {
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loadState = .idle
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} catch {
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guard !Task.isCancelled else { return }
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spots = []
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loadState = .failed(error.localizedDescription)
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}
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}
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/// 清空景点上下文，通常在退出登录或没有当前景区时调用。
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func reset() {
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scenicId = nil
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spots = []
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loadState = .idle
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}
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}
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