Aggregated statistics by activity type. Fixes #112.

2020-06-07 12:01:22 +02:00
parent a3ba1e1490
commit bae3373fe9
14 changed files with 790 additions and 1 deletions
@@ -0,0 +1,74 @@
+package de.dennisguse.opentracks.viewmodels;
+
+import android.content.Context;
+
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.List;
+
+import de.dennisguse.opentracks.content.data.Track;
+import de.dennisguse.opentracks.stats.TrackStatistics;
+import de.dennisguse.opentracks.util.TrackIconUtils;
+
+public class AggregatedStatistics {
+
+    private HashMap<String, AggregatedStatistic> aggregatedStatistics = new HashMap<>();
+
+    public void aggregate(List<Track> tracks) {
+        for (Track track : tracks) {
+            aggregate(track);
+        }
+    }
+
+    public void aggregate(Track track) {
+        String category = track.getCategory();
+        if (aggregatedStatistics.containsKey(category)) {
+            aggregatedStatistics.get(category).add(track.getTrackStatistics());
+        } else {
+            aggregatedStatistics.put(category, new AggregatedStatistic(track.getTrackStatistics()));
+        }
+    }
+
+    public int getCount() {
+        return aggregatedStatistics.size();
+    }
+
+    public String getSportName(int position) {
+        return getKey(position);
+    }
+
+    public AggregatedStatistic get(String category) {
+        return aggregatedStatistics.get(category);
+    }
+
+    private String getKey(int position) {
+        return (new ArrayList<>(aggregatedStatistics.keySet())).get(position);
+    }
+
+    public AggregatedStatistic getItem(int position) {
+        return (new ArrayList<>(aggregatedStatistics.values())).get(position);
+    }
+
+    public static class AggregatedStatistic {
+        private TrackStatistics trackStatistics;
+        private int countTracks;
+
+        public AggregatedStatistic(TrackStatistics trackStatistics) {
+            this.trackStatistics = trackStatistics;
+            this.countTracks = 1;
+        }
+
+        public TrackStatistics getTrackStatistics() {
+            return trackStatistics;
+        }
+
+        public int getCountTracks() {
+            return countTracks;
+        }
+
+        void add(TrackStatistics statistics) {
+            trackStatistics.merge(statistics);
+            countTracks++;
+        }
+    }
+}
@@ -0,0 +1,42 @@
+package de.dennisguse.opentracks.viewmodels;
+
+import android.app.Application;
+
+import androidx.annotation.NonNull;
+import androidx.lifecycle.AndroidViewModel;
+import androidx.lifecycle.LiveData;
+import androidx.lifecycle.MutableLiveData;
+
+import java.util.List;
+
+import de.dennisguse.opentracks.content.data.Track;
+import de.dennisguse.opentracks.content.provider.ContentProviderUtils;
+
+public class AggregatedStatisticsModel extends AndroidViewModel {
+
+    private MutableLiveData<AggregatedStatistics> aggregatedStats;
+
+    public AggregatedStatisticsModel(@NonNull Application application) {
+        super(application);
+    }
+
+    public LiveData<AggregatedStatistics> getAggregatedStats() {
+        if (aggregatedStats == null) {
+            aggregatedStats = new MutableLiveData<>();
+            loadAggregatedStats();
+        }
+        return aggregatedStats;
+    }
+
+    private void loadAggregatedStats() {
+        new Thread(() -> {
+            ContentProviderUtils contentProviderUtils = new ContentProviderUtils(getApplication().getApplicationContext());
+            List<Track> tracks = contentProviderUtils.getAllTracks();
+
+            AggregatedStatistics aggregatedStatistics = new AggregatedStatistics();
+            aggregatedStatistics.aggregate(tracks);
+
+            aggregatedStats.postValue(aggregatedStatistics);
+        }).start();
+    }
+}