Graphs properly rendered and fetched
This commit is contained in:
Felix
parent
94150ddd76
commit
fdb6a5c69b
2 changed files with 182 additions and 55 deletions
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@ -5,25 +5,34 @@ import 'package:shared_preferences/shared_preferences.dart';
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import 'package:charts_flutter/flutter.dart' as charts;
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class GraphData {
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List<charts.Series> data = new List<charts.Series>();
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var chartType;
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List<charts.Series<dynamic, DateTime>> graph;
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Future<List<charts.Series<dynamic, DateTime>>> getGraphData(String graphType) async {
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// print("called");
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/// Graph types:
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/// - total_last_week
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/// - avg_spend_last_week
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/// - total_last_month
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/// - avg_spend_last_month
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///
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/// HTTP POST request sample:
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/// {"graph":"total_last_week","session_key":"blahblahblah"}
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GraphData(
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this.chartType,
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);
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List<TimeSeriesSpend> cachedData;
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bool loaded = false;
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Future<void> setGraphData() async {
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if (loaded == true) {
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this.graph = [
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new charts.Series<TimeSeriesSpend, DateTime>(
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id: 'Spend',
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colorFn: (_, __) => charts.MaterialPalette.blue.shadeDefault,
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domainFn: (TimeSeriesSpend spend, _) => spend.time,
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measureFn: (TimeSeriesSpend spend, _) => spend.spend,
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data: cachedData,
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)
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];
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}
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charts.Series<dynamic, DateTime> dataSeries = new charts.Series<dynamic, DateTime>();
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final url = "https://dev.peartrade.org/api/v1/customer/graphs";
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SharedPreferences preferences = await SharedPreferences.getInstance();
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Map<String, String> body = {
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'graph': graphType,
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'graph': this.chartType,
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'session_key': preferences.get('LastToken'),
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};
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@ -37,29 +46,82 @@ class GraphData {
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final List<dynamic> labels = responseJson['graph']['labels'];
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final List<dynamic> data = responseJson['graph']['data'];
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for (int i = 0; i < data.length; i++) {
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// print(labels[i].toString() + " : " + data[i].toString());
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}
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// final List<String> bounds = responseJson['graph']['bounds']; // why is this even returned?
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List<TimeSeriesSpend> timeSeriesSpendList = new List<TimeSeriesSpend>();
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/*
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final data = [
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new TimeSeriesSales(new DateTime(2017, 9, 19), 5),
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new TimeSeriesSales(new DateTime(2017, 9, 26), 25),
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new TimeSeriesSales(new DateTime(2017, 10, 3), 100),
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new TimeSeriesSales(new DateTime(2017, 10, 10), 75),
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for (int i = 0; i < labels.length; i++) {
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timeSeriesSpendList.add(new TimeSeriesSpend(data[i]*1.00, DateTime.parse(labels[i])));
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// print(timeSeriesSpendList[i].time.toString() + " : " + timeSeriesSpendList[i].spend.toString());
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}
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cachedData = timeSeriesSpendList;
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loaded = true;
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this.graph = [
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new charts.Series<TimeSeriesSpend, DateTime>(
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id: 'Spend',
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colorFn: (_, __) => charts.MaterialPalette.blue.shadeDefault,
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domainFn: (TimeSeriesSpend spend, _) => spend.time,
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measureFn: (TimeSeriesSpend spend, _) => spend.spend,
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data: timeSeriesSpendList,
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)
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];
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*/
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} else {
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final errorMessage = json.decode(response.body)['message'];
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print("Error: " + errorMessage);
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this.graph = null;
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}
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}
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Future<List<charts.Series<dynamic, DateTime>>> getGraphData() async {
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if (loaded == true) {
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return [
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new charts.Series<TimeSeriesSpend, DateTime>(
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id: 'Spend',
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colorFn: (_, __) => charts.MaterialPalette.blue.shadeDefault,
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domainFn: (TimeSeriesSpend spend, _) => spend.time,
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measureFn: (TimeSeriesSpend spend, _) => spend.spend,
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data: cachedData,
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)
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];
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}
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/// Graph types:
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/// - total_last_week
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/// - avg_spend_last_week
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/// - total_last_month
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/// - avg_spend_last_month
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///
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/// HTTP POST request sample:
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/// {"graph":"total_last_week","session_key":"blahblahblah"}
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final url = "https://dev.peartrade.org/api/v1/customer/graphs";
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SharedPreferences preferences = await SharedPreferences.getInstance();
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Map<String, String> body = {
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'graph': this.chartType,
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'session_key': preferences.get('LastToken'),
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};
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final response = await http.post(
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url,
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body: json.encode(body),
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);
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if (response.statusCode == 200) {
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final responseJson = jsonDecode(response.body);
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final List<dynamic> labels = responseJson['graph']['labels'];
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final List<dynamic> data = responseJson['graph']['data'];
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List<TimeSeriesSpend> timeSeriesSpendList = new List<TimeSeriesSpend>();
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for (int i = 0; i < labels.length; i++) {
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// print(DateTime.parse(labels[i]));
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timeSeriesSpendList.add(new TimeSeriesSpend(i, DateTime(i)));
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// timeSeriesSpendList.add(new TimeSeriesSpend(data[i], DateTime.parse(labels[i])));
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timeSeriesSpendList.add(new TimeSeriesSpend(data[i]*1.00, DateTime.parse(labels[i])));
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// print(timeSeriesSpendList[i].time.toString() + " : " + timeSeriesSpendList[i].spend.toString());
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}
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// print(timeSeriesSpendList);
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cachedData = timeSeriesSpendList;
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loaded = true;
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return [
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new charts.Series<TimeSeriesSpend, DateTime>(
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@ -70,18 +132,6 @@ class GraphData {
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data: timeSeriesSpendList,
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)
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];
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/*
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new charts.Series<TimeSeriesSales, DateTime>(
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id: 'Sales',
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colorFn: (_, __) => charts.MaterialPalette.blue.shadeDefault,
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domainFn: (TimeSeriesSales sales, _) => sales.time,
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measureFn: (TimeSeriesSales sales, _) => sales.sales,
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data: data,
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)*/
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// print(labels[5]);
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// print(data[5]);
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} else {
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final errorMessage = json.decode(response.body)['message'];
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print("Error: " + errorMessage);
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@ -95,7 +145,7 @@ class GraphData {
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class TimeSeriesSpend {
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final DateTime time;
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final int spend;
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final double spend;
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TimeSeriesSpend(this.spend, this.time);
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}
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@ -29,8 +29,16 @@ class StatsPage extends StatefulWidget {
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class StatsPageState extends State<StatsPage> {
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GraphData graphData = new GraphData();
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List<charts.Series<dynamic, DateTime>> displayedGraphData;
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/// Graph types:
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/// - total_last_week
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/// - avg_spend_last_week
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/// - total_last_month
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/// - avg_spend_last_month
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GraphData totalLastWeekGraph = new GraphData("total_last_week");
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GraphData avgSpendLastWeekGraph = new GraphData("avg_spend_last_week");
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GraphData totalLastMonthGraph = new GraphData("total_last_month");
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GraphData avgSpendLastMonth = new GraphData("avg_spend_last_month");
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@override
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void initState() {
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@ -50,12 +58,29 @@ class StatsPageState extends State<StatsPage> {
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@override
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Widget build(BuildContext context) {
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if (graphData.data.length == 0) {
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graphData.getGraphData('total_last_week').then((fetchedData) {
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displayedGraphData = (fetchedData);
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for (int i = 0; i < fetchedData[0].data.length; i++) {
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print(fetchedData[0].data[i].time); // this is getting very frustrating
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}
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// Initializing graphs:
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if (!totalLastWeekGraph.loaded) {
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totalLastWeekGraph.setGraphData().then((_) {
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setState(() {});
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});
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}
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if (!avgSpendLastWeekGraph.loaded) {
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avgSpendLastWeekGraph.setGraphData().then((_) {
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setState(() {});
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});
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}
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if (!totalLastMonthGraph.loaded) {
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totalLastMonthGraph.setGraphData().then((_) {
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setState(() {});
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});
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}
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if (!avgSpendLastMonth.loaded) {
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avgSpendLastMonth.setGraphData().then((_) {
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setState(() {});
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});
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}
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@ -84,7 +109,7 @@ class StatsPageState extends State<StatsPage> {
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Container(
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padding: EdgeInsets.fromLTRB(0.0,17,0.0,0.0),
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child : Text(
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"This Week's Spend",
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"Last Week's Total Spend",
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textAlign: TextAlign.center,
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style: TextStyle(
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fontSize: 22.0,
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@ -97,12 +122,64 @@ class StatsPageState extends State<StatsPage> {
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Container(
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padding: EdgeInsets.symmetric(horizontal: 10),
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height: 200,
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// width: 250,
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child: totalLastWeekGraph.graph != null ? new charts.TimeSeriesChart(totalLastWeekGraph.graph) : Container(), //List<Series<dynamic, DateTime>>
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),
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// child: new TimeSeries(),
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child: displayedGraphData != null ? new charts.TimeSeriesChart(displayedGraphData) : Container(), //List<Series<dynamic, DateTime>>
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// child: new charts.TimeSeriesChart(displayedGraphData),
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// child: new SimpleTimeSeriesChart(),//seriesList: List<charts.Series>
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Container(
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padding: EdgeInsets.fromLTRB(0.0,17,0.0,0.0),
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child : Text(
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"Last Week's Average Spend",
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textAlign: TextAlign.center,
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style: TextStyle(
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fontSize: 22.0,
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color: Colors.black,
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fontWeight: FontWeight.bold,
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),
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),
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),
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Container(
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padding: EdgeInsets.symmetric(horizontal: 10),
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height: 200,
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child: avgSpendLastWeekGraph.graph != null ? new charts.TimeSeriesChart(avgSpendLastWeekGraph.graph) : Container(), //List<Series<dynamic, DateTime>>
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),
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Container(
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padding: EdgeInsets.fromLTRB(0.0,17,0.0,0.0),
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child : Text(
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"Last Month's Spend",
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textAlign: TextAlign.center,
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style: TextStyle(
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fontSize: 22.0,
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color: Colors.black,
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fontWeight: FontWeight.bold,
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),
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),
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),
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Container(
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padding: EdgeInsets.symmetric(horizontal: 10),
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height: 200,
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child: totalLastMonthGraph.graph != null ? new charts.TimeSeriesChart(totalLastMonthGraph.graph) : Container(), //List<Series<dynamic, DateTime>>
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),
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Container(
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padding: EdgeInsets.fromLTRB(0.0,17,0.0,0.0),
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child : Text(
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"Last Month's Average Spend",
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textAlign: TextAlign.center,
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style: TextStyle(
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fontSize: 22.0,
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color: Colors.black,
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fontWeight: FontWeight.bold,
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),
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),
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),
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Container(
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padding: EdgeInsets.symmetric(horizontal: 10),
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height: 200,
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child: avgSpendLastMonth.graph != null ? new charts.TimeSeriesChart(avgSpendLastMonth.graph) : Container(), //List<Series<dynamic, DateTime>>
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),
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],
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