Initial commit: suixinkan_ios UIKit rewrite project.
Co-authored-by: Cursor <cursoragent@cursor.com>
This commit is contained in:
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//
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// PermissionApplyViewModel.swift
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// suixinkan
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//
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// Created by Codex on 2026/6/23.
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//
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import Foundation
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/// 权限申请角色选项实体，表示可申请的一个业务角色。
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struct PermissionRoleOption: Equatable, Identifiable {
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let id: Int
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let name: String
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let notes: String
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}
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/// 权限申请景区选项实体，表示可申请或已拥有权限的一个景区。
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struct PermissionScenicOption: Equatable, Identifiable {
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let id: Int
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let name: String
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var selected: Bool
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var disabled: Bool
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}
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/// 已有角色权限展示实体，表示一个角色及其已拥有景区。
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struct ExistingRolePermissionInfo: Equatable, Identifiable {
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let id: Int
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let name: String
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let scenics: [ScenicInfo]
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}
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@MainActor
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/// 权限申请 ViewModel，负责角色/景区选择和提交审核。
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final class PermissionApplyViewModel {
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var onChange: (() -> Void)?
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var roleOptions: [PermissionRoleOption] = [] { didSet { onChange?() } }
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var selectedRoleId: Int? { didSet { onChange?() } }
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var scenicOptions: [PermissionScenicOption] = [] { didSet { onChange?() } }
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var loadingScenics = false { didSet { onChange?() } }
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var scenicLoadFailed = false { didSet { onChange?() } }
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var scenicLoadFailureReason: String? { didSet { onChange?() } }
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var submitting = false { didSet { onChange?() } }
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var message: String? { didSet { onChange?() } }
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private let initialPending: RoleApplyPendingResponse?
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private var rolePermissions: [RolePermissionResponse] = []
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private var selectedIds: Set<Int> = []
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/// 初始化权限申请 ViewModel，可传入驳回申请用于编辑回填。
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init(initialPending: RoleApplyPendingResponse? = nil) {
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self.initialPending = initialPending
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}
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/// 返回是否允许提交审核。
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var canSubmit: Bool {
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!submitting && selectedRoleId != nil && !selectedIds.isEmpty
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}
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/// 返回已选择景区数量。
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var selectedCount: Int {
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selectedIds.count
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}
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/// 返回已选择景区 ID 集合，供测试和提交校验使用。
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var selectedScenicIds: Set<Int> {
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selectedIds
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}
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/// 返回景区选择摘要文案。
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var selectedScenicSummary: String {
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let names = scenicOptions
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.filter { !$0.disabled && selectedIds.contains($0.id) }
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.map(\.name)
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if names.isEmpty { return "请选择景区" }
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if names.count == 1 { return names[0] }
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return "已选择 \(names.count) 个景区"
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}
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/// 返回当前选择角色的说明。
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var selectedRoleNotes: String? {
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guard let selectedRoleId else { return nil }
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return roleOptions.first(where: { $0.id == selectedRoleId })?.notes
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}
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/// 返回当前选择角色名称。
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var selectedRoleName: String? {
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guard let selectedRoleId else { return nil }
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return roleOptions.first(where: { $0.id == selectedRoleId })?.name
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}
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/// 返回已有角色权限展示列表。
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var existingRoleInfos: [ExistingRolePermissionInfo] {
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rolePermissions.map {
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ExistingRolePermissionInfo(id: $0.role.id, name: $0.role.name, scenics: $0.scenic)
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}
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}
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/// 从权限上下文启动表单数据。
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func bootstrap(rolePermissions: [RolePermissionResponse]) {
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self.rolePermissions = rolePermissions
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roleOptions = uniqueRoles(from: rolePermissions)
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if let pending = initialPending {
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selectedRoleId = pending.roleId
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selectedIds = Set(pending.scenicList.map(\.id))
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}
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}
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/// 选择角色，并清空当前景区选择等待重新加载。
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func selectRole(id: Int) {
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selectedRoleId = id
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selectedIds.removeAll()
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scenicOptions = []
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scenicLoadFailed = false
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scenicLoadFailureReason = nil
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}
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/// 按当前角色加载可申请景区列表。
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func loadScenicListIfNeeded(api: any ScenicPermissionServing, force: Bool = false) async {
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guard selectedRoleId != nil else { return }
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if !force && !scenicOptions.isEmpty { return }
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loadingScenics = true
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scenicLoadFailed = false
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scenicLoadFailureReason = nil
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defer { loadingScenics = false }
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do {
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let list = try await api.scenicListAll().list
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let disabledIds = Set(currentRolePermission()?.scenic.map(\.id) ?? [])
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scenicOptions = list.map { scenic in
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let selected = disabledIds.contains(scenic.id) || selectedIds.contains(scenic.id)
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return PermissionScenicOption(id: scenic.id, name: scenic.name, selected: selected, disabled: disabledIds.contains(scenic.id))
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}
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selectedIds = Set(scenicOptions.filter { $0.selected && !$0.disabled }.map(\.id))
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} catch {
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scenicOptions = []
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selectedIds.removeAll()
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scenicLoadFailed = true
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scenicLoadFailureReason = error.localizedDescription
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message = "景区列表加载失败，请重试"
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}
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}
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/// 切换一个景区的选择状态，已有权限的景区不可切换。
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func toggleScenic(id: Int) {
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guard let index = scenicOptions.firstIndex(where: { $0.id == id }), !scenicOptions[index].disabled else { return }
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scenicOptions[index].selected.toggle()
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if scenicOptions[index].selected {
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selectedIds.insert(id)
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} else {
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selectedIds.remove(id)
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}
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}
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/// 提交角色权限申请。
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func submit(api: any ScenicPermissionServing) async {
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guard let roleId = selectedRoleId, !selectedIds.isEmpty, !submitting else { return }
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submitting = true
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defer { submitting = false }
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do {
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try await api.roleApplySubmit(roleId: roleId, scenicIds: Array(selectedIds).sorted())
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message = "提交成功，等待审核"
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} catch {
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message = error.localizedDescription
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}
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}
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/// 生成去重后的角色选项。
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private func uniqueRoles(from list: [RolePermissionResponse]) -> [PermissionRoleOption] {
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var seen = Set<Int>()
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return list.compactMap { item in
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guard seen.insert(item.role.id).inserted else { return nil }
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return PermissionRoleOption(id: item.role.id, name: item.role.name, notes: item.role.notes ?? "")
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}
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}
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/// 返回当前选择角色对应的权限实体。
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private func currentRolePermission() -> RolePermissionResponse? {
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guard let selectedRoleId else { return nil }
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return rolePermissions.first { $0.role.id == selectedRoleId }
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}
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}
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@MainActor
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/// 权限申请状态 ViewModel，负责读取审核中的或指定编号的权限申请。
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final class PermissionApplyStatusViewModel {
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var onChange: (() -> Void)?
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var loading = false { didSet { onChange?() } }
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var pending: RoleApplyPendingResponse? { didSet { onChange?() } }
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var loadFailed = false { didSet { onChange?() } }
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var loadFailureReason: String? { didSet { onChange?() } }
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/// 加载权限申请状态；有申请编号时优先匹配编号，否则展示审核中或驳回记录。
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func load(api: any ScenicPermissionServing, applyCode: String?) async {
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loading = true
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loadFailed = false
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loadFailureReason = nil
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defer { loading = false }
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do {
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let all = try await api.roleApplyAll()
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let normalizedCode = applyCode?.trimmingCharacters(in: .whitespacesAndNewlines) ?? ""
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if !normalizedCode.isEmpty {
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pending = all.first { $0.code == normalizedCode }
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} else {
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pending = all.first { $0.status == 1 || $0.status == 3 }
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}
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} catch {
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pending = nil
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loadFailed = true
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loadFailureReason = error.localizedDescription
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}
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}
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}
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