From aa56d6822aee8a1a98555aa9c0203c3efd4608b5 Mon Sep 17 00:00:00 2001
From: ByteHamster <info@bytehamster.com>
Date: Mon, 21 Mar 2016 13:00:12 +0100
Subject: Added statistics function

Fixes #1743
---
 .../danoeh/antennapod/core/storage/DBReader.java   | 82 ++++++++++++++++++++++
 .../de/danoeh/antennapod/core/util/Converter.java  | 12 ++++
 core/src/main/res/values/strings.xml               |  5 ++
 3 files changed, 99 insertions(+)

(limited to 'core/src/main')

diff --git a/core/src/main/java/de/danoeh/antennapod/core/storage/DBReader.java b/core/src/main/java/de/danoeh/antennapod/core/storage/DBReader.java
index 4f2400e1d..fd832a8cb 100644
--- a/core/src/main/java/de/danoeh/antennapod/core/storage/DBReader.java
+++ b/core/src/main/java/de/danoeh/antennapod/core/storage/DBReader.java
@@ -917,6 +917,88 @@ public final class DBReader {
         return media;
     }
 
+    /**
+     * Searches the DB for statistics
+     *
+     * @return The StatisticsInfo object
+     */
+    public static StatisticsData getStatistics() {
+        PodDBAdapter adapter = PodDBAdapter.getInstance();
+        adapter.open();
+
+        long totalTime = 0;
+        List<StatisticsItem> feedTime = new ArrayList<>();
+
+        List<Feed> feeds = getFeedList();
+        for (Feed feed : feeds) {
+            long feedPlayedTime = 0;
+            long feedTotalTime = 0;
+            long episodes = 0;
+            long episodesStarted = 0;
+            List<FeedItem> items = getFeed(feed.getId()).getItems();
+            for(FeedItem item : items) {
+                FeedMedia media = item.getMedia();
+                if(media == null) {
+                    continue;
+                }
+
+                if(item.isPlayed()) {
+                    feedPlayedTime += media.getDuration() / 1000;
+                } else {
+                    feedPlayedTime += media.getPosition() / 1000;
+                }
+                if(item.isPlayed() || media.getPosition() != 0) {
+                    episodesStarted++;
+                }
+                feedTotalTime += media.getDuration() / 1000;
+                episodes++;
+            }
+            feedTime.add(new StatisticsItem(
+                    feed, feedTotalTime, feedPlayedTime, episodes, episodesStarted));
+            totalTime += feedPlayedTime;
+        }
+
+        Collections.sort(feedTime, (item1, item2) -> {
+            if(item1.timePlayed > item2.timePlayed) {
+                return -1;
+            } else if(item1.timePlayed < item2.timePlayed) {
+                return 1;
+            } else {
+                return 0;
+            }
+        });
+
+        adapter.close();
+        return new StatisticsData(totalTime, feedTime);
+    }
+
+    public static class StatisticsData {
+        public long totalTime;
+        public List<StatisticsItem> feedTime;
+
+        public StatisticsData(long totalTime, List<StatisticsItem> feedTime) {
+            this.totalTime = totalTime;
+            this.feedTime = feedTime;
+        }
+    }
+
+    public static class StatisticsItem {
+        public Feed feed;
+        public long time;
+        public long timePlayed;
+        public long episodes;
+        public long episodesStarted;
+
+        public StatisticsItem(Feed feed, long time, long timePlayed,
+                              long episodes, long episodesStarted) {
+            this.feed = feed;
+            this.time = time;
+            this.timePlayed = timePlayed;
+            this.episodes = episodes;
+            this.episodesStarted = episodesStarted;
+        }
+    }
+
     /**
      * Returns the flattr queue as a List of FlattrThings. The list consists of Feeds and FeedItems.
      *
diff --git a/core/src/main/java/de/danoeh/antennapod/core/util/Converter.java b/core/src/main/java/de/danoeh/antennapod/core/util/Converter.java
index 5b046d7a7..70a180913 100644
--- a/core/src/main/java/de/danoeh/antennapod/core/util/Converter.java
+++ b/core/src/main/java/de/danoeh/antennapod/core/util/Converter.java
@@ -3,6 +3,8 @@ package de.danoeh.antennapod.core.util;
 import android.content.Context;
 import android.util.Log;
 
+import java.util.Locale;
+
 import de.danoeh.antennapod.core.R;
 
 /** Provides methods for converting various units. */
@@ -119,6 +121,16 @@ public final class Converter {
         return result;
     }
 
+    /**
+     * Converts seconds to a localized representation
+     * @param time The time in seconds
+     * @return "HH:MM hours"
+     */
+    public static String shortLocalizedDuration(Context context, long time) {
+        float hours = (float) time / 3600f;
+        return String.format(Locale.getDefault(), "%.1f ", hours) + context.getString(R.string.time_hours);
+    }
+
     /**
      * Converts the volume as read as the progress from a SeekBar scaled to 100 and as saved in
      * UserPreferences to the format taken by setVolume methods.
diff --git a/core/src/main/res/values/strings.xml b/core/src/main/res/values/strings.xml
index 777db5046..d7948c0a3 100644
--- a/core/src/main/res/values/strings.xml
+++ b/core/src/main/res/values/strings.xml
@@ -6,6 +6,7 @@
     <!-- Activitiy and fragment titles -->
     <string name="app_name">AntennaPod</string>
     <string name="feeds_label">Feeds</string>
+    <string name="statistics_label">Statistics</string>
     <string name="add_feed_label">Add Podcast</string>
     <string name="podcasts_label">PODCASTS</string>
     <string name="episodes_label">Episodes</string>
@@ -33,6 +34,10 @@
     <string name="recently_published_episodes_label">Recently published</string>
     <string name="episode_filter_label">Show only new Episodes</string>
 
+    <!-- Statistics fragment -->
+    <string name="total_time_listened_to_podcasts">Total time of podcasts played:</string>
+    <string name="statistics_details_dialog">%1$d out of %2$d episodes started.\n\nPlayed %3$s out of %4$s.</string>
+
     <!-- Main activity -->
     <string name="drawer_open">Open menu</string>
     <string name="drawer_close">Close menu</string>
-- 
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