123 lines
4.3 KiB
Swift
123 lines
4.3 KiB
Swift
import Foundation
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struct Conversation: Codable, Identifiable, Hashable, Sendable {
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enum Kind: String, Codable, Sendable {
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case direct
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case group
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}
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let id: String
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var jid: String
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var displayName: String
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var lastMessage: String
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var lastActivity: Date
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var unreadCount: Int
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var isOnline: Bool
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var isPinned: Bool
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var encryptionPreference: EncryptionPreference
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var kind: Kind
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var groupNickname: String?
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var isGroupJoined: Bool
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var shouldAutojoin: Bool
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var occupantCount: Int
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var invitedBy: String?
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init(
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jid: String,
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displayName: String? = nil,
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lastMessage: String = "",
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lastActivity: Date = .distantPast,
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unreadCount: Int = 0,
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isOnline: Bool = false,
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isPinned: Bool = false,
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encryptionPreference: EncryptionPreference = .inheritGlobal,
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kind: Kind = .direct,
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groupNickname: String? = nil,
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isGroupJoined: Bool = false,
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shouldAutojoin: Bool = false,
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occupantCount: Int = 0,
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invitedBy: String? = nil
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) {
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let normalized = jid.trimmingCharacters(in: .whitespacesAndNewlines).lowercased()
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self.id = normalized
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self.jid = normalized
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self.displayName = displayName?.nilIfBlank ?? normalized
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self.lastMessage = lastMessage
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self.lastActivity = lastActivity
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self.unreadCount = unreadCount
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self.isOnline = isOnline
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self.isPinned = isPinned
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self.encryptionPreference = encryptionPreference
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self.kind = kind
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self.groupNickname = groupNickname?.nilIfBlank
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self.isGroupJoined = isGroupJoined
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self.shouldAutojoin = shouldAutojoin
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self.occupantCount = max(0, occupantCount)
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self.invitedBy = invitedBy?.nilIfBlank
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}
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private enum CodingKeys: String, CodingKey {
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case id
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case jid
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case displayName
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case lastMessage
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case lastActivity
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case unreadCount
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case isOnline
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case isPinned
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case encryptionPreference
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case kind
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case groupNickname
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case isGroupJoined
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case shouldAutojoin
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case occupantCount
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case invitedBy
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}
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init(from decoder: Decoder) throws {
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let values = try decoder.container(keyedBy: CodingKeys.self)
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jid = try values.decode(String.self, forKey: .jid)
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id = try values.decodeIfPresent(String.self, forKey: .id) ?? jid.lowercased()
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displayName = try values.decode(String.self, forKey: .displayName)
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lastMessage = try values.decode(String.self, forKey: .lastMessage)
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lastActivity = try values.decode(Date.self, forKey: .lastActivity)
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unreadCount = try values.decode(Int.self, forKey: .unreadCount)
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isOnline = try values.decode(Bool.self, forKey: .isOnline)
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isPinned = try values.decode(Bool.self, forKey: .isPinned)
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encryptionPreference = try values.decodeIfPresent(
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EncryptionPreference.self,
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forKey: .encryptionPreference
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) ?? .inheritGlobal
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kind = try values.decodeIfPresent(Kind.self, forKey: .kind) ?? .direct
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groupNickname = try values.decodeIfPresent(String.self, forKey: .groupNickname)
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isGroupJoined = try values.decodeIfPresent(Bool.self, forKey: .isGroupJoined) ?? false
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shouldAutojoin = try values.decodeIfPresent(Bool.self, forKey: .shouldAutojoin) ?? false
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occupantCount = max(0, try values.decodeIfPresent(Int.self, forKey: .occupantCount) ?? 0)
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invitedBy = try values.decodeIfPresent(String.self, forKey: .invitedBy)
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}
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var isGroup: Bool { kind == .group }
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var initials: String {
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let source = displayName == jid ? (jid.split(separator: "@").first.map(String.init) ?? jid) : displayName
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let words = source.split(whereSeparator: { $0.isWhitespace || $0 == "-" || $0 == "_" })
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let letters = words.prefix(2).compactMap(\.first)
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if letters.isEmpty {
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return String(source.prefix(1)).uppercased()
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}
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return String(letters).uppercased()
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}
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var colorSeed: UInt64 {
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jid.utf8.reduce(14_695_981_039_346_656_037) { partial, byte in
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(partial ^ UInt64(byte)) &* 1_099_511_628_211
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}
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}
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}
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private extension String {
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var nilIfBlank: String? {
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trimmingCharacters(in: .whitespacesAndNewlines).isEmpty ? nil : self
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}
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}
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