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LocalSpend-Tracker/lib/common/apifunctions/categories.dart

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import 'dart:convert';
import 'dart:async';
import 'package:http/http.dart' as http;
import 'package:local_spend/common/functions/get_token.dart';
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Future<List<String>> getCategories() async {
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const url = "https://dev.localspend.co.uk/api/search/category";
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var token;
await getToken().then((result) {
token = result;
});
Map<String, String> body = {
"session_key": token,
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};
final response = await http.post(
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url,
body: json.encode(body),
);
// print(response.body);
if (response.statusCode == 200) {
//request successful
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List<String> categories = new List<String>();
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Map responseMap = json.decode(response.body);
var categoriesJSON = responseMap['categories'];
//nice.
// so the response needs to be decoded iteratively, like
// categories.add(new Category(name: categoriesJSON[i.toString()], index: i.toString()));
// print(categoriesJSON['11']); // prints "Banana"
int i = 1; // starts on 1. that was annoying to debug!
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while (true) {
if (categoriesJSON[i.toString()] != null) {
// print("Iteration " + i.toString());
// print(categoriesJSON[i.toString()]);
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categories.add(categoriesJSON[i.toString()]);
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// print(categories.last);
i++;
} else {
// print("Number of categories: " + (i - 1).toString());
// print("categoriesJSON[" + i.toString() + ".toString()] == null");
break;
}
} // does this until error, which then tells it that there is no more JSON left
// print(categories[11].name);
// decodedResponse.forEach((key, value) {
//// print(key + ": " + value);
// categories.add(new Category(name: value, index: key));
// });
// print(categories[10].name.toString()); // prints "Banana"
return categories; // categories is List<Category>
// Category is defined at the top^^
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} else {
// not successful
return null;
}
}