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Merge pull request #1241 from abarth/stock_data

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Switch back to GitHub hosting of stock data
This commit is contained in:
Adam Barth 2016-01-14 09:54:58 -08:00
commit 1c292d68d9
1 changed files with 4 additions and 16 deletions
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20
examples/stocks/lib/stock_data.dart
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@ -53,20 +53,10 @@ class StockData {
}
typedef void StockDataCallback(StockData data);
const _kChunkSize = 100;
const _kChunkCount = 30;
String _urlToFetch(int chunk) {
Map<String, String> queryParameters = {
'limitToFirst': _kChunkSize.toString(),
'startAt': '\"${chunk * _kChunkSize}\"',
'orderBy': '"\$key"',
};
// Just a demo firebase app owned by eseidel.
return new Uri.https(
'sizzling-torch-6112.firebaseio.com',
'.json',
queryParameters=queryParameters
).toString();
return 'https://domokit.github.io/examples/stocks/data/stock_data_$chunk.json';
}
class StockDataFetcher {
@ -82,7 +72,6 @@ class StockDataFetcher {
void _fetchNextChunk() {
if (!actuallyFetchData)
return;
http.get(_urlToFetch(_nextChunk++)).then((http.Response response) {
String json = response.body;
if (json == null) {
@ -90,9 +79,8 @@ class StockDataFetcher {
return;
}
JsonDecoder decoder = new JsonDecoder();
Map responseJson = decoder.convert(json);
callback(new StockData(responseJson.values.toList()));
if (responseJson.isNotEmpty)
callback(new StockData(decoder.convert(json)));
if (_nextChunk < _kChunkCount)
_fetchNextChunk();
});
}