68 lines
1.9 KiB
Dart
68 lines
1.9 KiB
Dart
class FitnessState {
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late final String value;
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late final String stateText;
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late final String explanation;
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static String beginner = "beginner";
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static String intermediate = "intermediate";
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static String advanced = "advanced";
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static String professional = "professional";
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FitnessState({required value, required stateText, required explanation});
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bool isEqual(FitnessState? state) {
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if (state == null) {
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return false;
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}
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return state.value == value;
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}
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@override
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String toString() {
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return stateText;
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}
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}
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class FitnessItem {
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static final FitnessItem _singleton = FitnessItem._internal();
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List<FitnessState> elements = [];
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factory FitnessItem() {
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return _singleton;
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}
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FitnessItem._internal() {
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elements.add(FitnessState(
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value: FitnessState.beginner, stateText: _capitalize(FitnessState.beginner), explanation: "I am ${FitnessState.beginner}"));
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elements.add(FitnessState(
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value: FitnessState.intermediate,
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stateText: _capitalize(FitnessState.intermediate),
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explanation: "I am ${FitnessState.intermediate}"));
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elements.add(FitnessState(
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value: FitnessState.advanced, stateText: _capitalize(FitnessState.advanced), explanation: "I am ${FitnessState.advanced}"));
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elements.add(FitnessState(
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value: FitnessState.professional,
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stateText: _capitalize(FitnessState.professional),
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explanation: "I am ${FitnessState.professional}"));
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}
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String _capitalize(String value) {
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return "${value[0].toUpperCase()}${value.substring(1)}";
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}
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List<FitnessState> toList() => elements;
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FitnessState? getItem(String? value) {
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if (value == null || value.isEmpty) {
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return elements[0];
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}
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FitnessState? selected;
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for (var element in elements) {
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if (element.value == value) {
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selected = element;
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}
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}
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return selected;
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}
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}
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