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Log contact data without revealing

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Janez T
2026-03-06 20:47:02 +01:00
parent ca8e8e6ecb
commit 0e1a56d765
12 changed files with 745 additions and 149 deletions
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159
lib/utils/sample_data_generator.dart
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@@ -4,12 +4,66 @@ import 'package:flutter/material.dart';
import 'package:latlong2/latlong.dart';
import '../models/contact.dart';
import '../models/message.dart';
import '../models/message_contact_location.dart';
import '../l10n/app_localizations.dart';
/// Generates sample data for testing/demo purposes
class SampleDataGenerator {
static final Random _random = Random();
static MessageContactLocation _sampleSnapshot({
required LatLng location,
required DateTime receivedAt,
required String source,
}) {
return MessageContactLocation(
location: location,
source: source,
capturedAt: receivedAt,
sourceTimestamp: receivedAt.subtract(const Duration(minutes: 2)),
);
}
static LatLng _randomNearbyLocation(LatLng center, double spread) {
final latOffset = (_random.nextDouble() - 0.5) * spread;
final lonOffset = (_random.nextDouble() - 0.5) * spread;
return LatLng(center.latitude + latOffset, center.longitude + lonOffset);
}
static SampleMessageBatch generateAllMessages({
required LatLng centerLocation,
required AppLocalizations l10n,
int foundPersonCount = 2,
int fireCount = 1,
int stagingCount = 1,
int objectCount = 1,
int generalChannelMessages = 8,
int emergencyChannelMessages = 5,
}) {
final sarBatch = generateSarMarkerMessages(
centerLocation: centerLocation,
l10n: l10n,
foundPersonCount: foundPersonCount,
fireCount: fireCount,
stagingCount: stagingCount,
objectCount: objectCount,
);
final channelBatch = generateChannelMessages(
centerLocation: centerLocation,
l10n: l10n,
generalChannelMessages: generalChannelMessages,
emergencyChannelMessages: emergencyChannelMessages,
);
return SampleMessageBatch(
messages: [...sarBatch.messages, ...channelBatch.messages],
contactLocations: {
...sarBatch.contactLocations,
...channelBatch.contactLocations,
},
);
}
/// Generate sample contacts around a center location
static List<Contact> generateContacts({
required LatLng centerLocation,
@@ -113,7 +167,7 @@ class SampleDataGenerator {
}
/// Generate sample SAR markers around a center location
static List<Message> generateSarMarkerMessages({
static SampleMessageBatch generateSarMarkerMessages({
required LatLng centerLocation,
required AppLocalizations l10n,
int foundPersonCount = 2,
@@ -122,6 +176,7 @@ class SampleDataGenerator {
int objectCount = 1,
}) {
final messages = <Message>[];
final contactLocations = <String, MessageContactLocation>{};
final now = DateTime.now();
int messageId = 1;
@@ -137,7 +192,7 @@ class SampleDataGenerator {
);
final timestamp = now.subtract(Duration(minutes: 10 + i * 5));
messages.add(Message(
final message = Message(
id: 'sample_fp_$messageId',
messageType: MessageType.contact,
senderPublicKeyPrefix: senderKey.sublist(0, 6),
@@ -150,7 +205,13 @@ class SampleDataGenerator {
sarGpsCoordinates: LatLng(lat, lon),
sarCustomEmoji: '🧑',
senderName: l10n.sampleTeamMember,
));
);
messages.add(message);
contactLocations[message.id] = _sampleSnapshot(
location: _randomNearbyLocation(message.sarGpsCoordinates!, 0.006),
receivedAt: timestamp,
source: 'telemetry',
);
messageId++;
}
@@ -166,7 +227,7 @@ class SampleDataGenerator {
);
final timestamp = now.subtract(Duration(minutes: 20 + i * 5));
messages.add(Message(
final message = Message(
id: 'sample_fire_$messageId',
messageType: MessageType.contact,
senderPublicKeyPrefix: senderKey.sublist(0, 6),
@@ -179,7 +240,13 @@ class SampleDataGenerator {
sarGpsCoordinates: LatLng(lat, lon),
sarCustomEmoji: '🔥',
senderName: l10n.sampleScout,
));
);
messages.add(message);
contactLocations[message.id] = _sampleSnapshot(
location: _randomNearbyLocation(message.sarGpsCoordinates!, 0.008),
receivedAt: timestamp,
source: 'advert',
);
messageId++;
}
@@ -195,7 +262,7 @@ class SampleDataGenerator {
);
final timestamp = now.subtract(Duration(minutes: 30 + i * 5));
messages.add(Message(
final message = Message(
id: 'sample_staging_$messageId',
messageType: MessageType.contact,
senderPublicKeyPrefix: senderKey.sublist(0, 6),
@@ -208,7 +275,13 @@ class SampleDataGenerator {
sarGpsCoordinates: LatLng(lat, lon),
sarCustomEmoji: '🏕️',
senderName: l10n.sampleBase,
));
);
messages.add(message);
contactLocations[message.id] = _sampleSnapshot(
location: _randomNearbyLocation(message.sarGpsCoordinates!, 0.01),
receivedAt: timestamp,
source: 'advert',
);
messageId++;
}
@@ -231,24 +304,34 @@ class SampleDataGenerator {
l10n.sampleObjectTrailMarker,
];
messages.add(Message(
final message = Message(
id: 'sample_object_$messageId',
messageType: MessageType.contact,
senderPublicKeyPrefix: senderKey.sublist(0, 6),
pathLen: 1,
textType: MessageTextType.plain,
senderTimestamp: timestamp.millisecondsSinceEpoch ~/ 1000,
text: 'S:📦:${lat.toStringAsFixed(5)},${lon.toStringAsFixed(5)}${notes[i % notes.length]}',
text:
'S:📦:${lat.toStringAsFixed(5)},${lon.toStringAsFixed(5)}${notes[i % notes.length]}',
receivedAt: timestamp,
isSarMarker: true,
sarGpsCoordinates: LatLng(lat, lon),
sarCustomEmoji: '📦',
senderName: l10n.sampleSearcher,
));
);
messages.add(message);
contactLocations[message.id] = _sampleSnapshot(
location: _randomNearbyLocation(message.sarGpsCoordinates!, 0.007),
receivedAt: timestamp,
source: 'telemetry',
);
messageId++;
}
return messages;
return SampleMessageBatch(
messages: messages,
contactLocations: contactLocations,
);
}
/// Generate sample map drawings
@@ -272,7 +355,9 @@ class SampleDataGenerator {
'id': 'sample_line_${now.millisecondsSinceEpoch}',
'color': Colors.blue.toARGB32(),
'createdAt': now.subtract(const Duration(minutes: 15)).toIso8601String(),
'points': linePoints.map((p) => {'lat': p.latitude, 'lon': p.longitude}).toList(),
'points': linePoints
.map((p) => {'lat': p.latitude, 'lon': p.longitude})
.toList(),
'sender': l10n.sampleTeamMember,
});
@@ -297,7 +382,7 @@ class SampleDataGenerator {
}
/// Generate sample channel messages for public channels
static List<Message> generateChannelMessages({
static SampleMessageBatch generateChannelMessages({
LatLng? centerLocation,
required AppLocalizations l10n,
int generalChannelMessages = 8,
@@ -306,6 +391,7 @@ class SampleDataGenerator {
// Use provided location or default to Ljubljana, Slovenia
final center = centerLocation ?? const LatLng(46.0569, 14.5058);
final messages = <Message>[];
final contactLocations = <String, MessageContactLocation>{};
final now = DateTime.now();
int messageId = 1000; // Start with high ID to avoid conflicts
@@ -352,7 +438,11 @@ class SampleDataGenerator {
];
// Generate General channel messages
for (int i = 0; i < generalChannelMessages && i < generalMessages.length; i++) {
for (
int i = 0;
i < generalChannelMessages && i < generalMessages.length;
i++
) {
final senderKey = Uint8List.fromList(
List.generate(32, (_) => _random.nextInt(256)),
);
@@ -361,7 +451,7 @@ class SampleDataGenerator {
final minutesAgo = 120 - (i * 15) - _random.nextInt(10);
final timestamp = now.subtract(Duration(minutes: minutesAgo));
messages.add(Message(
final message = Message(
id: 'sample_general_$messageId',
messageType: MessageType.channel,
channelIdx: 0, // General channel
@@ -372,12 +462,22 @@ class SampleDataGenerator {
text: generalMessages[i],
receivedAt: timestamp,
senderName: teamNames[_random.nextInt(teamNames.length)],
));
);
messages.add(message);
contactLocations[message.id] = _sampleSnapshot(
location: _randomNearbyLocation(center, 0.018),
receivedAt: timestamp,
source: i.isEven ? 'telemetry' : 'advert',
);
messageId++;
}
// Generate Emergency channel messages
for (int i = 0; i < emergencyChannelMessages && i < emergencyMessages.length; i++) {
for (
int i = 0;
i < emergencyChannelMessages && i < emergencyMessages.length;
i++
) {
final senderKey = Uint8List.fromList(
List.generate(32, (_) => _random.nextInt(256)),
);
@@ -386,7 +486,7 @@ class SampleDataGenerator {
final minutesAgo = 60 - (i * 10) - _random.nextInt(5);
final timestamp = now.subtract(Duration(minutes: minutesAgo));
messages.add(Message(
final message = Message(
id: 'sample_emergency_$messageId',
messageType: MessageType.channel,
channelIdx: 1, // Emergency channel
@@ -397,10 +497,29 @@ class SampleDataGenerator {
text: emergencyMessages[i],
receivedAt: timestamp,
senderName: teamNames[_random.nextInt(teamNames.length)],
));
);
messages.add(message);
contactLocations[message.id] = _sampleSnapshot(
location: _randomNearbyLocation(center, 0.012),
receivedAt: timestamp,
source: i.isEven ? 'advert' : 'telemetry',
);
messageId++;
}
return messages;
return SampleMessageBatch(
messages: messages,
contactLocations: contactLocations,
);
}
}
class SampleMessageBatch {
final List<Message> messages;
final Map<String, MessageContactLocation> contactLocations;
const SampleMessageBatch({
required this.messages,
required this.contactLocations,
});
}