130 lines
4.0 KiB
Swift
130 lines
4.0 KiB
Swift
//
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// AccountContext.swift
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// suixinkan
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//
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// Created by Codex on 2026/6/18.
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//
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import Observation
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/// 当前账号的基础资料实体，用于跨页面展示昵称、手机号和头像。
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struct AccountProfile: Codable, Equatable {
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var userId: String
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var displayName: String
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var phone: String?
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var avatarURL: String?
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}
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/// 当前业务作用域实体，表示景区或门店维度的上下文。
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struct BusinessScope: Codable, Equatable, Identifiable {
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/// 业务作用域类型，用于区分景区和门店。
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enum Kind: Codable, Equatable {
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case scenic
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case store
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}
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var id: Int
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var name: String
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var kind: Kind
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var parentScenicId: Int?
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/// 创建业务作用域，门店可通过 parentScenicId 标记所属景区。
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init(id: Int, name: String, kind: Kind, parentScenicId: Int? = nil) {
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self.id = id
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self.name = name
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self.kind = kind
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self.parentScenicId = parentScenicId
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}
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}
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@MainActor
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@Observable
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/// 账号上下文状态中心，保存当前账号资料和景区/门店作用域。
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final class AccountContext {
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private(set) var profile: AccountProfile?
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private(set) var scenicScopes: [BusinessScope] = []
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private(set) var storeScopes: [BusinessScope] = []
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var currentScenic: BusinessScope?
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var currentStore: BusinessScope?
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/// 应用登录成功后写入账号资料。
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func applyLogin(profile: AccountProfile? = nil) {
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self.profile = profile
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}
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/// 替换当前账号资料，通常用于用户信息刷新后同步全局展示。
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func replaceProfile(_ profile: AccountProfile?) {
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self.profile = profile
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}
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/// 替换景区和门店作用域，并尽量保持当前选择不变。
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func replaceScopes(
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scenic: [BusinessScope],
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stores: [BusinessScope],
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currentScenicId: Int? = nil,
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currentStoreId: Int? = nil
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) {
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scenicScopes = scenic
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storeScopes = stores
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currentScenic = currentScenicId.flatMap { id in
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scenic.first { $0.id == id }
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} ?? currentScenic.flatMap { current in
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scenic.first { $0.id == current.id }
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} ?? scenic.first
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currentStore = resolvedStore(
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in: stores,
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currentScenic: currentScenic,
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preferredStoreId: currentStoreId ?? currentStore?.id
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)
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}
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/// 切换当前景区，并按景区重新校准当前门店。
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func selectScenic(id scenicId: Int) {
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guard let scenic = scenicScopes.first(where: { $0.id == scenicId }) else { return }
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currentScenic = scenic
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currentStore = resolvedStore(
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in: storeScopes,
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currentScenic: scenic,
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preferredStoreId: currentStore?.id
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)
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}
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/// 切换当前门店，并在门店有关联景区时同步当前景区。
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func selectStore(id storeId: Int) {
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guard let store = storeScopes.first(where: { $0.id == storeId }) else { return }
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currentStore = store
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if let scenicId = store.parentScenicId,
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currentScenic?.id != scenicId,
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let scenic = scenicScopes.first(where: { $0.id == scenicId }) {
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currentScenic = scenic
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}
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}
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/// 清空账号上下文，通常在退出登录时调用。
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func reset() {
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profile = nil
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scenicScopes = []
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storeScopes = []
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currentScenic = nil
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currentStore = nil
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}
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/// 按当前景区和期望门店 ID 选择有效门店。
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private func resolvedStore(
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in stores: [BusinessScope],
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currentScenic: BusinessScope?,
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preferredStoreId: Int?
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) -> BusinessScope? {
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let scenicId = currentScenic?.id
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let storesForScenic = stores.filter { store in
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guard let scenicId else { return true }
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return store.parentScenicId == nil || store.parentScenicId == scenicId
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}
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if let preferredStoreId,
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let store = storesForScenic.first(where: { $0.id == preferredStoreId }) {
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return store
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}
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return storesForScenic.first
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}
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}
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