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Created a AirQualityDistributionService along with its fake implementation.

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This commit is contained in:
Faris Armoush
2025-06-01 13:02:11 +03:00
parent 286dea3f51
commit 4479ed04b7
2 changed files with 46 additions and 0 deletions
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8
lib/pages/analytics/services/air_quality_distribution/air_quality_distribution_service.dart Normal file
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import 'package:syncrow_web/pages/analytics/models/air_quality_data_model.dart';
import 'package:syncrow_web/pages/analytics/params/get_air_quality_distribution_param.dart';
abstract interface class AirQualityDistributionService {
Future<List<AirQualityDataModel>> getAirQualityDistribution(
GetAirQualityDistributionParam param,
);
}

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lib/pages/analytics/services/air_quality_distribution/fake_air_quality_distribution_service.dart Normal file
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import 'dart:math';
import 'package:syncrow_web/pages/analytics/models/air_quality_data_model.dart';
import 'package:syncrow_web/pages/analytics/params/get_air_quality_distribution_param.dart';
import 'package:syncrow_web/pages/analytics/services/air_quality_distribution/air_quality_distribution_service.dart';
class FakeAirQualityDistributionService implements AirQualityDistributionService {
final _random = Random();
@override
Future<List<AirQualityDataModel>> getAirQualityDistribution(
GetAirQualityDistributionParam param,
) async {
return List.generate(30, (index) {
final date = DateTime(2025, 5, 1).add(Duration(days: index));
final values = _generateRandomPercentages();
return AirQualityDataModel(
date: date,
good: values[0],
moderate: values[1],
poor: values[2],
unhealthy: values[3],
severe: values[4],
hazardous: values[5],
);
});
}
List<double> _generateRandomPercentages() {
final values = List.generate(6, (_) => _random.nextDouble());
final sum = values.reduce((a, b) => a + b);
return values.map((value) => (value / sum * 100).roundToDouble()).toList();
}
}