feat: Added robotoff nutrient extraction

lib/src/model/robotoff_nutrient_extraction.dart

@@ -0,0 +1,201 @@
+import 'package:json_annotation/json_annotation.dart';
+import '../interface/json_object.dart';
+
+part 'robotoff_nutrient_extraction.g.dart';
+
+@JsonSerializable()
+class RobotoffNutrientExtractionResult extends JsonObject {
+  final String? status;
+  final int? count;
+  final List<NutrientExtractionInsight>? insights;
+
+  const RobotoffNutrientExtractionResult({
+    this.status,
+    this.count,
+    this.insights,
+  });
+
+  NutrientExtractionInsight? get getLatestInsights {
+    insights?.sort((a, b) => a.completedAt!.compareTo(b.completedAt!));
+    return insights?.last;
+  }
+
+  NutrientEntity? getNutrientEntity(String nutrientKey) {
+    return getLatestInsights?.data?.nutrients?[nutrientKey];
+  }
+
+  factory RobotoffNutrientExtractionResult.fromJson(
+          Map<String, dynamic> json) =>
+      _$RobotoffNutrientExtractionResultFromJson(json);
+
+  @override
+  Map<String, dynamic> toJson() =>
+      _$RobotoffNutrientExtractionResultToJson(this);
+}
+
+@JsonSerializable()
+class NutrientEntity {
+  final int? start;
+  final int? end;
+  final String? text;
+  final String? unit;
+  final double? score;
+  final bool? valid;
+  final String? value;
+  final String? entity;
+  @JsonKey(name: 'char_start')
+  final int? charStart;
+  @JsonKey(name: 'char_end')
+  final int? charEnd;
+
+  const NutrientEntity({
+    this.start,
+    this.end,
+    this.text,
+    this.unit,
+    this.score,
+    this.valid,
+    this.value,
+    this.entity,
+    this.charStart,
+    this.charEnd,
+  });
+
+  factory NutrientEntity.fromJson(Map<String, dynamic> json) =>
+      _$NutrientEntityFromJson(json);
+
+  Map<String, dynamic> toJson() => _$NutrientEntityToJson(this);
+}
+
+@JsonSerializable()
+class NutrientAnnotationData {
+  final String? unit;
+  final String? value;
+
+  const NutrientAnnotationData({
+    this.unit,
+    this.value,
+  });
+
+  factory NutrientAnnotationData.fromJson(Map<String, dynamic> json) =>
+      _$NutrientAnnotationDataFromJson(json);
+
+  Map<String, dynamic> toJson() => _$NutrientAnnotationDataToJson(this);
+}
+
+@JsonSerializable()
+class NutrientAnnotation {
+  final Map<String, NutrientAnnotationData>? nutrients;
+  @JsonKey(name: 'serving_size')
+  final String? servingSize;
+  @JsonKey(name: 'nutrition_data_per')
+  final String? nutritionDataPer;
+
+  const NutrientAnnotation({
+    this.nutrients,
+    this.servingSize,
+    this.nutritionDataPer,
+  });
+
+  factory NutrientAnnotation.fromJson(Map<String, dynamic> json) =>
+      _$NutrientAnnotationFromJson(json);
+
+  Map<String, dynamic> toJson() => _$NutrientAnnotationToJson(this);
+}
+
+@JsonSerializable()
+class NutrientDataWrapper {
+  final Map<String, List<NutrientEntity>>? entities;
+  final Map<String, NutrientEntity>? nutrients;
+  final NutrientAnnotation? annotation;
+  @JsonKey(name: 'was_updated')
+  final bool? wasUpdated;
+
+  const NutrientDataWrapper({
+    this.entities,
+    this.nutrients,
+    this.annotation,
+    this.wasUpdated,
+  });
+
+  factory NutrientDataWrapper.fromJson(Map<String, dynamic> json) =>
+      _$NutrientDataWrapperFromJson(json);
+
+  Map<String, dynamic> toJson() => _$NutrientDataWrapperToJson(this);
+}
+
+@JsonSerializable()
+class NutrientExtractionInsight extends JsonObject {
+  @JsonKey(name: 'id')
+  final String? insightId;
+  final String? barcode;
+  final String? type;
+  final NutrientDataWrapper? data;
+  final String? timestamp;
+  @JsonKey(name: 'completed_at')
+  final String? completedAt;
+  final int? annotation;
+  @JsonKey(name: 'annotated_result')
+  final int? annotatedResult;
+  @JsonKey(name: 'n_votes')
+  final int? nVotes;
+  final String? username;
+  final List<String>? countries;
+  final List<String>? brands;
+  @JsonKey(name: 'process_after')
+  final String? processAfter;
+  @JsonKey(name: 'value_tag')
+  final String? valueTag;
+  final String? value;
+  @JsonKey(name: 'source_image')
+  final String? sourceImage;
+  @JsonKey(name: 'automatic_processing')
+  final bool? automaticProcessing;
+  @JsonKey(name: 'server_type')
+  final String? serverType;
+  @JsonKey(name: 'unique_scans_n')
+  final int? uniqueScansN;
+  @JsonKey(name: 'reserved_barcode')
+  final bool? reservedBarcode;
+  final String? predictor;
+  @JsonKey(name: 'predictor_version')
+  final String? predictorVersion;
+  final List<String>? campaign;
+  final double? confidence;
+  @JsonKey(name: 'bounding_box')
+  final dynamic boundingBox;
+
+  const NutrientExtractionInsight({
+    this.insightId,
+    this.barcode,
+    this.type,
+    this.data,
+    this.timestamp,
+    this.completedAt,
+    this.annotation,
+    this.annotatedResult,
+    this.nVotes,
+    this.username,
+    this.countries,
+    this.brands,
+    this.processAfter,
+    this.valueTag,
+    this.value,
+    this.sourceImage,
+    this.automaticProcessing,
+    this.serverType,
+    this.uniqueScansN,
+    this.reservedBarcode,
+    this.predictor,
+    this.predictorVersion,
+    this.campaign,
+    this.confidence,
+    this.boundingBox,
+  });
+
+  factory NutrientExtractionInsight.fromJson(Map<String, dynamic> json) =>
+      _$NutrientExtractionInsightFromJson(json);
+
+  @override
+  Map<String, dynamic> toJson() => _$NutrientExtractionInsightToJson(this);
+}