fluffychat/lib/pangea/activity_planner/activity_plan_model.dart

124 lines
3.6 KiB
Dart

import 'package:flutter/foundation.dart';
import 'package:fluffychat/pangea/activity_planner/activity_plan_request.dart';
import 'package:fluffychat/pangea/common/constants/model_keys.dart';
class ActivityPlanModel {
final String bookmarkId;
final ActivityPlanRequest req;
final String title;
final String learningObjective;
final String instructions;
final List<Vocab> vocab;
final String? imageURL;
ActivityPlanModel({
required this.req,
required this.title,
required this.learningObjective,
required this.instructions,
required this.vocab,
this.imageURL,
}) : bookmarkId =
"${title.hashCode ^ learningObjective.hashCode ^ instructions.hashCode ^ imageURL.hashCode ^ vocab.map((v) => v.hashCode).reduce((a, b) => a ^ b)}";
factory ActivityPlanModel.fromJson(Map<String, dynamic> json) {
return ActivityPlanModel(
req: ActivityPlanRequest.fromJson(json[ModelKey.activityPlanRequest]),
title: json[ModelKey.activityPlanTitle],
learningObjective: json[ModelKey.activityPlanLearningObjective],
instructions: json[ModelKey.activityPlanInstructions],
vocab: List<Vocab>.from(
json[ModelKey.activityPlanVocab].map((vocab) => Vocab.fromJson(vocab)),
),
imageURL: json[ModelKey.activityPlanImageURL],
);
}
Map<String, dynamic> toJson() {
return {
ModelKey.activityPlanRequest: req.toJson(),
ModelKey.activityPlanTitle: title,
ModelKey.activityPlanLearningObjective: learningObjective,
ModelKey.activityPlanInstructions: instructions,
ModelKey.activityPlanVocab: vocab.map((vocab) => vocab.toJson()).toList(),
ModelKey.activityPlanImageURL: imageURL,
ModelKey.activityPlanBookmarkId: bookmarkId,
};
}
/// activity content displayed nicely in markdown
/// use target emoji for learning objective
/// use step emoji for instructions
String get markdown {
String markdown =
''' **$title** \n🎯 $learningObjective \n🪜 $instructions \n\n📖 ''';
// cycle through vocab with index
for (var i = 0; i < vocab.length; i++) {
// if the lemma appears more than once in the vocab list, show the pos
// vocab is a wrapped list of string, separated by commas
final v = vocab[i];
final bool showPos =
vocab.where((vocab) => vocab.lemma == v.lemma).length > 1;
markdown +=
'${v.lemma}${showPos ? ' (${v.pos})' : ''}${i + 1 < vocab.length ? ', ' : ''}';
}
return markdown;
}
@override
bool operator ==(Object other) {
if (identical(this, other)) return true;
return other is ActivityPlanModel &&
other.req == req &&
other.title == title &&
other.learningObjective == learningObjective &&
other.instructions == instructions &&
listEquals(other.vocab, vocab) &&
other.imageURL == imageURL;
}
@override
int get hashCode =>
req.hashCode ^
title.hashCode ^
learningObjective.hashCode ^
instructions.hashCode ^
Object.hashAll(vocab) ^
imageURL.hashCode;
}
class Vocab {
final String lemma;
final String pos;
Vocab({
required this.lemma,
required this.pos,
});
factory Vocab.fromJson(Map<String, dynamic> json) {
return Vocab(
lemma: json['lemma'],
pos: json['pos'],
);
}
Map<String, dynamic> toJson() {
return {
'lemma': lemma,
'pos': pos,
};
}
@override
bool operator ==(Object other) {
if (identical(this, other)) return true;
return other is Vocab && other.lemma == lemma && other.pos == pos;
}
@override
int get hashCode => lemma.hashCode ^ pos.hashCode;
}