feat: 添加云盘与消息中心功能
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//
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// MessageCenterModels.swift
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// suixinkan
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//
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import Foundation
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/// 可解码的 JSON 值，用于承接消息 `extra_data` 原始结构。
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enum MessageJSONValue: Decodable, Hashable, Sendable {
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case string(String)
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case number(Double)
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case bool(Bool)
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case object([String: MessageJSONValue])
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case array([MessageJSONValue])
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case null
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init(from decoder: Decoder) throws {
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let container = try decoder.singleValueContainer()
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if container.decodeNil() {
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self = .null
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} else if let value = try? container.decode(Bool.self) {
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self = .bool(value)
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} else if let value = try? container.decode(Double.self) {
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self = .number(value)
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} else if let value = try? container.decode(String.self) {
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self = .string(value)
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} else if let value = try? container.decode([MessageJSONValue].self) {
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self = .array(value)
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} else {
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self = .object(try container.decode([String: MessageJSONValue].self))
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}
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}
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}
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/// 消息中心列表响应，对齐 Android `MsgResponse`。
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struct MessageListResponse: Decodable, Equatable, Sendable {
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let hasMore: Bool
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let lastId: Int
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let items: [MessageItem]
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let isRefresh: Bool
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enum CodingKeys: String, CodingKey {
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case hasMore = "has_more"
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case lastId = "last_id"
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case items
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case isRefresh = "is_refresh"
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}
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init(hasMore: Bool = false, lastId: Int = 0, items: [MessageItem] = [], isRefresh: Bool = false) {
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self.hasMore = hasMore
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self.lastId = lastId
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self.items = items
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self.isRefresh = isRefresh
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}
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init(from decoder: Decoder) throws {
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let container = try decoder.container(keyedBy: CodingKeys.self)
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hasMore = try container.decodeLossyBool(forKey: .hasMore) ?? false
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lastId = try container.decodeLossyInt(forKey: .lastId) ?? 0
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items = (try? container.decodeIfPresent([MessageItem].self, forKey: .items)) ?? []
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isRefresh = try container.decodeLossyBool(forKey: .isRefresh) ?? false
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}
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}
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/// 单条消息实体，对齐 Android `MsgEntity`。
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struct MessageItem: Decodable, Hashable, Sendable {
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let id: Int
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let receiverId: Int
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let receiverType: String
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let type: Int
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let typeName: String
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let title: String
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let content: String
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let pushAt: String
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let isRead: Bool
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let readAt: String
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let pushChannel: Int
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let pushChannelName: String
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let extraData: [String: MessageJSONValue]?
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let createdAt: String
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let updatedAt: String
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enum CodingKeys: String, CodingKey {
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case id
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case receiverId = "receiver_id"
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case receiverType = "receiver_type"
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case type
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case typeName = "type_name"
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case title
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case content
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case pushAt = "push_at"
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case isRead = "is_read"
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case readAt = "read_at"
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case pushChannel = "push_channel"
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case pushChannelName = "push_channel_name"
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case extraData = "extra_data"
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case createdAt = "created_at"
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case updatedAt = "updated_at"
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}
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init(
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id: Int = 0,
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receiverId: Int = 0,
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receiverType: String = "",
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type: Int = 0,
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typeName: String = "",
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title: String = "",
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content: String = "",
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pushAt: String = "",
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isRead: Bool = false,
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readAt: String = "",
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pushChannel: Int = 0,
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pushChannelName: String = "",
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extraData: [String: MessageJSONValue]? = nil,
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createdAt: String = "",
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updatedAt: String = ""
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) {
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self.id = id
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self.receiverId = receiverId
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self.receiverType = receiverType
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self.type = type
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self.typeName = typeName
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self.title = title
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self.content = content
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self.pushAt = pushAt
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self.isRead = isRead
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self.readAt = readAt
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self.pushChannel = pushChannel
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self.pushChannelName = pushChannelName
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self.extraData = extraData
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self.createdAt = createdAt
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self.updatedAt = updatedAt
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}
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init(from decoder: Decoder) throws {
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let container = try decoder.container(keyedBy: CodingKeys.self)
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id = try container.decodeLossyInt(forKey: .id) ?? 0
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receiverId = try container.decodeLossyInt(forKey: .receiverId) ?? 0
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receiverType = try container.decodeLossyString(forKey: .receiverType)
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type = try container.decodeLossyInt(forKey: .type) ?? 0
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typeName = try container.decodeLossyString(forKey: .typeName)
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title = try container.decodeLossyString(forKey: .title)
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content = try container.decodeLossyString(forKey: .content)
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pushAt = try container.decodeLossyString(forKey: .pushAt)
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isRead = try container.decodeLossyBool(forKey: .isRead) ?? false
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readAt = try container.decodeLossyString(forKey: .readAt)
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pushChannel = try container.decodeLossyInt(forKey: .pushChannel) ?? 0
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pushChannelName = try container.decodeLossyString(forKey: .pushChannelName)
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extraData = try? container.decodeIfPresent([String: MessageJSONValue].self, forKey: .extraData)
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createdAt = try container.decodeLossyString(forKey: .createdAt)
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updatedAt = try container.decodeLossyString(forKey: .updatedAt)
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}
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/// Android 列表标题使用 `type_name`。
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var displayTitle: String {
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typeName.trimmingCharacters(in: .whitespacesAndNewlines)
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}
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/// Android 列表优先展示 `push_at`，否则格式化 `created_at`。
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var displayTime: String {
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let pushTime = pushAt.trimmingCharacters(in: .whitespacesAndNewlines)
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if !pushTime.isEmpty { return pushTime }
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return MessageDateFormatter.formatDateTime(createdAt) ?? createdAt
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}
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/// 返回已读状态的消息副本。
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func markedRead() -> MessageItem {
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MessageItem(
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id: id,
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receiverId: receiverId,
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receiverType: receiverType,
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type: type,
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typeName: typeName,
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title: title,
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content: content,
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pushAt: pushAt,
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isRead: true,
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readAt: readAt,
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pushChannel: pushChannel,
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pushChannelName: pushChannelName,
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extraData: extraData,
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createdAt: createdAt,
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updatedAt: updatedAt
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)
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}
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}
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/// 消息删除请求体，对齐 Android `MsgDeleteRequest`。
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struct MessageDeleteRequest: Encodable, Sendable {
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let id: Int
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}
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/// 消息中心日期显示工具，对齐 Android `DateUtils.formatDateTime` 的用户可见规则。
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enum MessageDateFormatter {
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private static let calendar = Calendar.current
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static func formatDateTime(_ input: String?) -> String? {
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guard let input = input?.trimmingCharacters(in: .whitespacesAndNewlines), !input.isEmpty else { return nil }
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guard let date = parseDate(input) else { return nil }
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let today = Date()
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let startOfInput = calendar.startOfDay(for: date)
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let startOfToday = calendar.startOfDay(for: today)
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let dayDifference = calendar.dateComponents([.day], from: startOfInput, to: startOfToday).day ?? 0
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let inputComponents = calendar.dateComponents([.year, .month, .day, .weekday], from: date)
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let todayComponents = calendar.dateComponents([.year, .month], from: today)
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if dayDifference == 0 {
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return "今天"
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}
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if (1 ... 6).contains(dayDifference), let weekday = inputComponents.weekday {
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return weekdayName(weekday)
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}
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if inputComponents.year == todayComponents.year, inputComponents.month == todayComponents.month {
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return "本月\(inputComponents.day ?? 0)日"
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}
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if inputComponents.year == todayComponents.year {
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return "\(inputComponents.month ?? 0)月\(inputComponents.day ?? 0)日"
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}
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return "\(inputComponents.year ?? 0)年\(inputComponents.month ?? 0)月\(inputComponents.day ?? 0)日"
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}
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private static func parseDate(_ input: String) -> Date? {
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if let timestamp = Double(input) {
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let seconds = timestamp > 1_000_000_000_000 ? timestamp / 1000 : timestamp
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return Date(timeIntervalSince1970: seconds)
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}
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let formatter = DateFormatter()
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formatter.locale = Locale(identifier: "en_US_POSIX")
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formatter.timeZone = .current
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for format in ["yyyy-MM-dd HH:mm:ss", "yyyy-MM-dd'T'HH:mm:ss", "yyyy-MM-dd"] {
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formatter.dateFormat = format
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if let date = formatter.date(from: input) {
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return date
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}
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}
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return nil
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}
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private static func weekdayName(_ weekday: Int) -> String {
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switch weekday {
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case 1: return "周日"
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case 2: return "周一"
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case 3: return "周二"
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case 4: return "周三"
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case 5: return "周四"
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case 6: return "周五"
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case 7: return "周六"
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default: return ""
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}
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}
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}
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private extension KeyedDecodingContainer {
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func decodeLossyString(forKey key: Key) throws -> String {
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if let value = try? decodeIfPresent(String.self, forKey: key) {
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return value
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}
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if let value = try? decodeIfPresent(Int.self, forKey: key) {
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return String(value)
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}
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if let value = try? decodeIfPresent(Double.self, forKey: key) {
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return String(value)
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}
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if let value = try? decodeIfPresent(Bool.self, forKey: key) {
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return value ? "true" : "false"
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}
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return ""
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}
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func decodeLossyInt(forKey key: Key) throws -> Int? {
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if let value = try? decodeIfPresent(Int.self, forKey: key) {
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return value
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}
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if let value = try? decodeIfPresent(Double.self, forKey: key) {
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return Int(value)
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}
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if let value = try? decodeIfPresent(String.self, forKey: key) {
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let text = value.trimmingCharacters(in: .whitespacesAndNewlines)
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if let intValue = Int(text) { return intValue }
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if let doubleValue = Double(text) { return Int(doubleValue) }
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}
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return nil
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}
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func decodeLossyBool(forKey key: Key) throws -> Bool? {
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if let value = try? decodeIfPresent(Bool.self, forKey: key) {
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return value
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}
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if let value = try? decodeIfPresent(Int.self, forKey: key) {
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return value != 0
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}
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if let value = try? decodeIfPresent(String.self, forKey: key) {
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let text = value.trimmingCharacters(in: .whitespacesAndNewlines).lowercased()
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if ["true", "1", "yes"].contains(text) { return true }
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if ["false", "0", "no"].contains(text) { return false }
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}
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return nil
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}
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}
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