Signal-iOS/SignalServiceKit/src/groups/TSGroupModel.swift

122 lines
3.7 KiB
Swift

//
// Copyright (c) 2020 Open Whisper Systems. All rights reserved.
//
import Foundation
// Like TSGroupModel, TSGroupModelV2 is intended to be immutable.
//
// NOTE: This class is tightly coupled to TSGroupModelBuilder.
// If you modify this class - especially if you
// add any new properties - make sure to update
// TSGroupModelBuilder.
@objc
public class TSGroupModelV2: TSGroupModel {
// These properties TSGroupModel, TSGroupModelV2 is intended to be immutable.
@objc
var membership: GroupMembership = GroupMembership.empty
@objc
public var access: GroupAccess = .defaultForV2
@objc
public var secretParamsData: Data = Data()
@objc
public var revision: UInt32 = 0
@objc
public var avatarUrlPath: String?
@objc
public required init(groupId: Data,
name: String?,
avatarData: Data?,
groupMembership: GroupMembership,
groupAccess: GroupAccess,
revision: UInt32,
secretParamsData: Data,
avatarUrlPath: String?) {
assert(secretParamsData.count > 0)
self.membership = groupMembership
self.secretParamsData = secretParamsData
self.access = groupAccess
self.revision = revision
self.avatarUrlPath = avatarUrlPath
super.init(groupId: groupId,
name: name,
avatarData: avatarData,
members: Array(groupMembership.nonPendingMembers))
}
// MARK: - MTLModel
@objc
required public init?(coder aDecoder: NSCoder) {
super.init(coder: aDecoder)
}
@objc
public required init(dictionary dictionaryValue: [String: Any]!) throws {
try super.init(dictionary: dictionaryValue)
}
// MARK: -
@objc
public override var groupsVersion: GroupsVersion {
return .V2
}
@objc
public override var groupMembership: GroupMembership {
return membership
}
@objc
public override var groupMembers: [SignalServiceAddress] {
return Array(groupMembership.nonPendingMembers)
}
public override func isEqual(to model: TSGroupModel,
ignoreRevision: Bool) -> Bool {
guard super.isEqual(to: model, ignoreRevision: ignoreRevision) else {
return false
}
guard let other = model as? TSGroupModelV2 else {
return false
}
guard other.membership == membership else {
return false
}
guard other.access == access else {
return false
}
guard other.secretParamsData == secretParamsData else {
return false
}
guard ignoreRevision || other.revision == revision else {
return false
}
guard other.avatarUrlPath == avatarUrlPath else {
return false
}
return true
}
@objc
public override var debugDescription: String {
var result = "["
result += "groupId: \(groupId.hexadecimalString),\n"
result += "groupsVersion: \(groupsVersion),\n"
result += "groupName: \(String(describing: groupName)),\n"
result += "groupAvatarData: \(String(describing: groupAvatarData?.hexadecimalString.prefix(32))),\n"
result += "membership: \(groupMembership.debugDescription),\n"
result += "access: \(access.debugDescription),\n"
result += "secretParamsData: \(secretParamsData.hexadecimalString.prefix(32)),\n"
result += "revision: \(revision),\n"
result += "avatarUrlPath: \(String(describing: avatarUrlPath)),\n"
result += "]"
return result
}
}