汉秋
26f4d0e671
Lower deployment target to iOS 16, replace @Observable with ObservableObject, add navigation and UI compatibility shims, and include login smoke UI tests. Co-authored-by: Cursor <cursoragent@cursor.com>
92 lines
3.6 KiB
Swift
92 lines
3.6 KiB
Swift
//
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// PermissionContext.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 Combine
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@MainActor
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/// 权限上下文状态中心，保存角色权限、当前角色和扁平化权限 URI。
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final class PermissionContext: ObservableObject {
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@Published private(set) var rolePermissions: [RolePermissionResponse] = []
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@Published private(set) var permissionURIs: Set<String> = []
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@Published var currentRole: RoleInfo?
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/// 替换角色权限列表，并尽量按缓存角色 ID 保持当前角色。
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func replaceRolePermissions(_ rolePermissions: [RolePermissionResponse], currentRoleId: Int? = nil) {
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self.rolePermissions = rolePermissions
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currentRole = currentRoleId.flatMap { id in
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rolePermissions.first { $0.role.id == id }?.role
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} ?? currentRole.flatMap { role in
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rolePermissions.first { $0.role.id == role.id }?.role
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} ?? rolePermissions.first?.role
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permissionURIs = Set(Self.flattenPermissions(currentRole?.permission ?? []))
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}
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/// 切换当前角色，并同步账号上下文中的景区和门店选择。
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func selectRole(id roleId: Int, accountContext: AccountContext) {
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guard let rolePermission = rolePermissions.first(where: { $0.role.id == roleId }) else { return }
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currentRole = rolePermission.role
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permissionURIs = Set(Self.flattenPermissions(rolePermission.role.permission))
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let scenicScopes = Self.uniqueScenicScopes(from: rolePermission.scenic)
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accountContext.replaceScopes(
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scenic: scenicScopes,
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stores: accountContext.storeScopes,
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currentScenicId: accountContext.currentScenic?.id,
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currentStoreId: accountContext.currentStore?.id
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)
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}
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/// 判断当前角色是否拥有指定 URI 权限。
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func canAccess(_ uri: String) -> Bool {
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permissionURIs.contains(uri.trimmingCharacters(in: .whitespacesAndNewlines))
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}
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/// 返回当前角色关联的景区作用域。
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func currentRoleScenicScopes() -> [BusinessScope] {
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guard let currentRole else { return [] }
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guard let rolePermission = rolePermissions.first(where: { $0.role.id == currentRole.id }) else {
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return []
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}
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return Self.uniqueScenicScopes(from: rolePermission.scenic)
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}
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/// 清空权限上下文，通常在退出登录时调用。
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func reset() {
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rolePermissions = []
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permissionURIs = []
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currentRole = nil
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}
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/// 递归提取权限树里的非空 URI。
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private static func flattenPermissions(_ permissions: [PermissionItem]) -> [String] {
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permissions.flatMap { item -> [String] in
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let current = item.uri.trimmingCharacters(in: .whitespacesAndNewlines)
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let children = flattenPermissions(item.children)
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return current.isEmpty ? children : [current] + children
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}
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}
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/// 将角色关联景区去重并转换为业务作用域。
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private static func uniqueScenicScopes(from scenics: [ScenicInfo]) -> [BusinessScope] {
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var seen = Set<Int>()
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return scenics.compactMap { scenic in
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guard seen.insert(scenic.id).inserted else { return nil }
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return BusinessScope(
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id: scenic.id,
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name: scenic.name,
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kind: .scenic,
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status: scenic.status,
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address: scenic.location?.address,
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latitude: scenic.location?.lat,
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longitude: scenic.location?.lng,
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coverURLString: scenic.coverImg
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)
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}
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}
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}
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