80 lines
2.1 KiB
Dart
80 lines
2.1 KiB
Dart
import 'package:diameter/main.dart';
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import 'package:diameter/models/meal.dart';
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import 'package:diameter/models/recipe.dart';
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import 'package:diameter/utils/utils.dart';
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import 'package:objectbox/objectbox.dart';
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import 'package:diameter/objectbox.g.dart' show Ingredient_, Recipe_;
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@Entity(uid: 6950311793136068892)
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@Sync()
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class Ingredient {
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static final Box<Ingredient> box = objectBox.store.box<Ingredient>();
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// properties
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int id;
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bool deleted;
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double amount;
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// relations
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final recipe = ToOne<Recipe>();
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final ingredient = ToOne<Meal>();
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// constructor
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Ingredient({
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this.id = 0,
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this.deleted = false,
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required this.amount,
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});
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// methods
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static Ingredient? get(int id) => box.get(id);
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static void put(Ingredient ingredient) => box.put(ingredient);
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static void putMany(List<Ingredient> ingredients) => box.putMany(ingredients);
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static List<Ingredient> getAllForRecipe(int id) {
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QueryBuilder<Ingredient> builder =
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box.query(Ingredient_.deleted.equals(false));
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builder.link(Ingredient_.recipe, Recipe_.id.equals(id));
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return builder.build().find();
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}
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static double? getCarbsRatioForRecipe(int id) {
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double carbsSum = 0.0;
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double totalWeight = 0.0;
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List<Ingredient> ingredients = getAllForRecipe(id);
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for (Ingredient ingredient in ingredients) {
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if ((ingredient.ingredient.target?.carbsRatio ?? 0) <= 0) {
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return null;
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}
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totalWeight += ingredient.amount;
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carbsSum +=
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Utils.calculateCarbs(ingredient.ingredient.target!.carbsRatio!, ingredient.amount);
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}
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return totalWeight > 0
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? Utils.calculateCarbsRatio(carbsSum, totalWeight)
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: null;
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}
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static double? getTotalWeightForRecipe(int id) {
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double totalWeight = 0.0;
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List<Ingredient> ingredients = getAllForRecipe(id);
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for (Ingredient ingredient in ingredients) {
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if (ingredient.ingredient.target?.carbsRatio == null) {
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return null;
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}
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totalWeight += ingredient.amount;
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}
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return totalWeight;
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}
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@override
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String toString() {
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return ingredient.target?.value ?? '';
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}
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}
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