5246a97db2
A new look across the app and a set of everyday messaging features. Interface - Home screen with Chats, Contacts and Settings tabs, a large title, search across chats and message text (diacritics-insensitive), filters and pinned chats. - Conversation view with a translucent header and composer, grouped bubbles, author avatars and colours in groups, swipe to reply, an "N new messages" marker, a jump-to-latest button and in-chat search. - Contact and group profiles: verification, shared photos, groups in common, disappearing messages, mute, block; members, admin badges, adding people, rename and leave for groups. - Full-screen photo viewer that pages through the whole conversation. - A stable avatar colour per person and a clearly visible read state. Messaging - Polls in chats and groups, single or multiple choice, with votes that can be changed or withdrawn; older clients see them as text. - Drafts survive leaving a chat and show in the chat list. - Forwarding of messages, photos, files and voice messages. - Notes to self: a local-only, encrypted chat that never reaches the relay. - @mentions in groups that notify even when the group is muted. - Typing indicators sent as ephemeral messages, opt-in and mutual like read receipts. - Delivery and read times per message and per group member. - Profile photos, cropped, resized and stripped of metadata, delivered encrypted to contacts. - Voice message playback at 1.5x and 2x. - Call buttons in 1:1 chats and call log entries. Fixes - Muted groups no longer notify: muting was checked against the author's chat instead of the group. - A blocked contact could unblock itself by changing its delivery address. - Read receipts no longer regress to delivered when a late delivery receipt arrives. - A message marked as failed corrects itself once it is delivered. - Double ticks in groups now mean delivered to every member.
295 lines
9.8 KiB
Dart
295 lines
9.8 KiB
Dart
import 'package:sepot/models/attachment.dart';
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import 'package:sepot/models/call_log.dart';
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import 'package:sepot/models/group.dart';
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import 'package:sepot/models/poll.dart';
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import 'package:uuid/uuid.dart';
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/// Typy zpráv — odpovídá Rust: MessageType
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enum MessageType {
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text,
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image,
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file,
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readReceipt,
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typing,
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keyExchange,
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}
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/// Stav odeslané (mojí) zprávy. Potvrzení přečtení je volitelné (default
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/// vypnuto) a reciproční — kdo ho nesdílí, „přečteno" neuvidí ani sám.
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/// sending — lokálně zařazeno, čeká na potvrzení relaye (⏱)
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/// sent — relay přijal, příjemce byl offline → v jeho frontě (✓)
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/// delivered — doručeno na zařízení příjemce (✓✓)
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/// read — příjemce zprávu přečetl (✓✓ barevně; jen když obě strany
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/// mají zapnuté potvrzení přečtení)
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/// failed — odeslání selhalo (✕, klepnout pro opakování)
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enum MessageStatus { sending, sent, delivered, read, failed }
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/// Zpráva v konverzaci
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///
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/// Odpovídá Rust: PlaintextMessage + StoredMessage
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class Message {
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final String id;
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final String senderId;
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final String recipientId;
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final MessageType type;
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final String? content; // Text zprávy (u příloh volitelný popisek)
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final String? fileName; // Pro typ file
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final int? fileSize;
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final String? replyToId;
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final DateTime timestamp;
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final bool isRead;
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final bool isDelivered;
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final MessageStatus status; // stav odeslání (jen u mých zpráv)
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final int? disappearAfterSeconds; // Mizící zprávy
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final AttachmentMeta? attachment; // image/file — klíč+blob_id+stav
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final DateTime? editedAt; // zpráva byla upravena
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final bool isDeleted; // smazáno pro všechny (tombstone)
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/// Reakce: fingerprint odesílatele reakce → emoji. Prázdné = žádné.
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final Map<String, String> reactions;
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/// Kdy mou zprávu dostal / přečetl který příjemce (fingerprint → čas).
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/// 1:1 má nejvýš jeden záznam, skupina jeden na člena — z toho se
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/// skládá „Info o zprávě". Čas je z hodin příjemce (pole `ts` doručenky).
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final Map<String, DateTime> deliveredTo;
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final Map<String, DateTime> readBy;
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/// Anketa (textová zpráva, `content` nese záložní text pro starší appky).
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final Poll? poll;
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/// Fingerprinty lidí zmíněných přes @ ve skupině — zmínka projde i přes
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/// ztlumení skupiny.
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final List<String> mentions;
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/// Lokální záznam hovoru — taková zpráva nemá text ani přílohu.
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final CallLog? callLog;
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const Message({
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required this.id,
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required this.senderId,
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required this.recipientId,
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required this.type,
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this.content,
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this.fileName,
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this.fileSize,
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this.replyToId,
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required this.timestamp,
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this.isRead = false,
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this.isDelivered = false,
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this.status = MessageStatus.sent,
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this.disappearAfterSeconds,
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this.attachment,
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this.editedAt,
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this.isDeleted = false,
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this.reactions = const {},
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this.deliveredTo = const {},
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this.readBy = const {},
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this.poll,
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this.mentions = const [],
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this.callLog,
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});
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/// Vytvoř textovou zprávu
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factory Message.text({
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required String senderId,
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required String recipientId,
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required String content,
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String? replyToId,
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int? disappearAfterSeconds,
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MessageStatus status = MessageStatus.sending,
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Poll? poll,
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List<String> mentions = const [],
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}) {
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return Message(
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id: const Uuid().v4(),
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senderId: senderId,
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recipientId: recipientId,
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type: MessageType.text,
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content: content,
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replyToId: replyToId,
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timestamp: DateTime.now(),
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status: status,
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disappearAfterSeconds: disappearAfterSeconds,
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poll: poll,
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mentions: mentions,
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);
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}
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/// Vytvoř zprávu s přílohou (obrázek/dokument dle meta.isImage)
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factory Message.attachment({
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required String senderId,
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required String recipientId,
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required AttachmentMeta attachment,
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String? caption,
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String? id,
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int? disappearAfterSeconds,
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MessageStatus status = MessageStatus.sending,
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}) {
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return Message(
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id: id ?? const Uuid().v4(),
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senderId: senderId,
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recipientId: recipientId,
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type: attachment.isImage ? MessageType.image : MessageType.file,
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content: caption,
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fileName: attachment.name,
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fileSize: attachment.size,
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timestamp: DateTime.now(),
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attachment: attachment,
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status: status,
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disappearAfterSeconds: disappearAfterSeconds,
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);
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}
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/// Vytvoř read receipt
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factory Message.readReceipt({
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required String senderId,
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required String recipientId,
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required String messageId,
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}) {
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return Message(
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id: const Uuid().v4(),
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senderId: senderId,
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recipientId: recipientId,
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type: MessageType.readReceipt,
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content: messageId,
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timestamp: DateTime.now(),
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);
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}
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/// Kopie s aktualizovanými hodnotami
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Message copyWith({
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String? content,
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bool? isRead,
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bool? isDelivered,
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MessageStatus? status,
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AttachmentMeta? attachment,
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DateTime? editedAt,
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bool? isDeleted,
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Map<String, String>? reactions,
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Map<String, DateTime>? deliveredTo,
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Map<String, DateTime>? readBy,
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Poll? poll,
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}) {
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return Message(
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id: id,
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senderId: senderId,
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recipientId: recipientId,
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type: type,
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content: content ?? this.content,
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fileName: fileName,
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fileSize: fileSize,
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replyToId: replyToId,
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timestamp: timestamp,
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isRead: isRead ?? this.isRead,
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isDelivered: isDelivered ?? this.isDelivered,
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status: status ?? this.status,
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disappearAfterSeconds: disappearAfterSeconds,
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attachment: attachment ?? this.attachment,
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editedAt: editedAt ?? this.editedAt,
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isDeleted: isDeleted ?? this.isDeleted,
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reactions: reactions ?? this.reactions,
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deliveredTo: deliveredTo ?? this.deliveredTo,
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readBy: readBy ?? this.readBy,
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poll: poll ?? this.poll,
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mentions: mentions,
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callLog: callLog,
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);
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}
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/// Nejdřívější doručení / přečtení napříč příjemci (null = zatím nic).
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DateTime? get firstDeliveredAt => _earliest(deliveredTo.values);
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DateTime? get firstReadAt => _earliest(readBy.values);
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static DateTime? _earliest(Iterable<DateTime> times) => times.isEmpty
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? null
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: times.reduce((a, b) => a.isBefore(b) ? a : b);
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/// Má zpráva mizet?
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bool get isDisappearing => disappearAfterSeconds != null;
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/// Je zpráva odeslána mnou?
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bool isMine(String myId) => senderId == myId;
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Map<String, dynamic> toJson() => {
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'id': id,
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'senderId': senderId,
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'recipientId': recipientId,
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'type': type.name,
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'content': content,
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'fileName': fileName,
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'fileSize': fileSize,
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'replyToId': replyToId,
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'timestamp': timestamp.toIso8601String(),
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'isRead': isRead,
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'isDelivered': isDelivered,
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'status': status.name,
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'disappearAfterSeconds': disappearAfterSeconds,
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'attachment': attachment?.toJson(),
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'editedAt': editedAt?.toIso8601String(),
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'isDeleted': isDeleted,
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'reactions': reactions,
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'deliveredTo': _timesToJson(deliveredTo),
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'readBy': _timesToJson(readBy),
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'poll': poll?.toJson(),
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if (mentions.isNotEmpty) 'mentions': mentions,
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if (callLog != null) 'call': callLog!.toJson(),
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};
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static Map<String, int> _timesToJson(Map<String, DateTime> times) =>
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times.map((k, v) => MapEntry(k, v.millisecondsSinceEpoch));
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/// Tolerantní čtení: starší záznamy pole nemají, vadné položky se
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/// přeskočí — kvůli nim nesmí spadnout načtení celé konverzace.
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static Map<String, DateTime> _timesFromJson(Object? raw) {
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if (raw is! Map) return const {};
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return {
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for (final e in raw.entries)
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if (e.key is String && e.value is int)
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e.key as String: DateTime.fromMillisecondsSinceEpoch(e.value as int),
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};
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}
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factory Message.fromJson(Map<String, dynamic> json) {
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return Message(
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id: json['id'] as String,
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senderId: json['senderId'] as String,
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recipientId: json['recipientId'] as String,
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type: MessageType.values.byName(json['type'] as String),
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content: json['content'] as String?,
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fileName: json['fileName'] as String?,
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fileSize: json['fileSize'] as int?,
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replyToId: json['replyToId'] as String?,
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timestamp: DateTime.parse(json['timestamp'] as String),
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isRead: json['isRead'] as bool? ?? false,
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isDelivered: json['isDelivered'] as bool? ?? false,
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// Legacy záznamy bez 'status' → odvoď z isDelivered
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status: MessageStatus.values.asNameMap()[json['status'] as String?] ??
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((json['isDelivered'] as bool? ?? false)
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? MessageStatus.delivered
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: MessageStatus.sent),
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disappearAfterSeconds: json['disappearAfterSeconds'] as int?,
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attachment: json['attachment'] == null
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? null
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: AttachmentMeta.fromJson(
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json['attachment'] as Map<String, dynamic>),
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editedAt: json['editedAt'] == null
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? null
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: DateTime.parse(json['editedAt'] as String),
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isDeleted: json['isDeleted'] as bool? ?? false,
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reactions: (json['reactions'] as Map<String, dynamic>?)
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?.map((k, v) => MapEntry(k, v as String)) ??
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const {},
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deliveredTo: _timesFromJson(json['deliveredTo']),
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readBy: _timesFromJson(json['readBy']),
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poll: Poll.fromJson(json['poll']),
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mentions: mentionsFromWire(json['mentions']),
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callLog: CallLog.fromJson(json['call']),
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);
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}
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}
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/// Zmínky z drátu i z úložiště: jen řetězce a rozumný počet — obálka od
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/// cizího klienta nesmí rozbít zprávu ani nafouknout úložiště.
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List<String> mentionsFromWire(Object? raw) {
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if (raw is! List) return const [];
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return raw.whereType<String>().take(Group.maxMembers).toList();
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}
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