Relative time improvements

app/build.gradle

@@ -78,7 +78,7 @@ dependencies {
     implementation 'androidx.legacy:legacy-support-v4:1.0.0'
     implementation 'androidx.cardview:cardview:1.0.0'
     implementation 'androidx.recyclerview:recyclerview:1.0.0'
-    implementation 'androidx.lifecycle:lifecycle-extensions:2.2.0-alpha04'
+    implementation 'androidx.lifecycle:lifecycle-extensions:2.2.0-alpha05'
     implementation 'androidx.constraintlayout:constraintlayout:1.1.3'
     implementation 'androidx.exifinterface:exifinterface:1.1.0-beta01'
     implementation 'com.google.android.material:material:1.0.0'

app/src/main/java/gr/thmmy/mthmmy/activities/topic/TopicActivity.java

@@ -5,7 +5,6 @@ import android.app.NotificationManager;
 import android.content.ClipData;
 import android.content.ClipboardManager;
 import android.content.Context;
-import android.content.DialogInterface;
 import android.content.Intent;
 import android.content.SharedPreferences;
 import android.graphics.Rect;

app/src/main/java/gr/thmmy/mthmmy/utils/DateTimeUtils.java

@@ -1,5 +1,7 @@
 package gr.thmmy.mthmmy.utils;
 
+import androidx.annotation.VisibleForTesting;
+
 import static android.text.format.DateUtils.DAY_IN_MILLIS;
 import static android.text.format.DateUtils.HOUR_IN_MILLIS;
 import static android.text.format.DateUtils.MINUTE_IN_MILLIS;
@@ -20,38 +22,55 @@ public class DateTimeUtils {
         return dateTime;
     }
 
-    private static final long MONTH_IN_MILLIS = DAY_IN_MILLIS*30;
-    private static final long DECADE_IN_MILLIS = YEAR_IN_MILLIS*10;
+    private static final long MONTH_IN_MILLIS = 30*DAY_IN_MILLIS;
+    private static final long DECADE_IN_MILLIS = 10*YEAR_IN_MILLIS;
+
+    @VisibleForTesting
+    static String getRelativeTimeSpanString(long time) {
+        long now = System.currentTimeMillis();
 
-    static CharSequence getRelativeTimeSpanString(long time, long now, long minResolution) {
         boolean past = (now >= time);
         long duration = Math.abs(now - time);
         String format;
-        long count;
-        if (duration < MINUTE_IN_MILLIS && minResolution < MINUTE_IN_MILLIS) {
-            count = duration / SECOND_IN_MILLIS;
-            format = "%d sec";
-        } else if (duration < HOUR_IN_MILLIS && minResolution < HOUR_IN_MILLIS) {
+        long count, mod;
+        if(duration < 45*SECOND_IN_MILLIS)
+            return "just now";
+        else if (duration < 45*MINUTE_IN_MILLIS) {
             count = duration/MINUTE_IN_MILLIS;
-            format = "%d min";
-        } else if (duration < DAY_IN_MILLIS && minResolution < DAY_IN_MILLIS) {
+            mod = duration % MINUTE_IN_MILLIS;
+            if(mod >= 30*SECOND_IN_MILLIS)
+                count += 1;
+            format = "%dm";
+        } else if (duration < 22*HOUR_IN_MILLIS) {
             count = duration/HOUR_IN_MILLIS;
-            format = "%d hour";
-            if(count>1)
-                format = format + 's';
-        } else if (duration < MONTH_IN_MILLIS && minResolution < MONTH_IN_MILLIS) {
+            format = "%dh";
+            mod = (duration%HOUR_IN_MILLIS)/MINUTE_IN_MILLIS;
+            if(count<4 && mod>10 && mod<50)
+                format = format + mod +"m";
+            else if(mod >= 30)
+                count += 1;
+        } else if (duration < 26*DAY_IN_MILLIS) {
             count = duration/DAY_IN_MILLIS;
             format = "%d day";
+            mod = duration % DAY_IN_MILLIS;
+            if(mod >= 12*HOUR_IN_MILLIS)
+                count += 1;
             if(count>1)
                 format = format + 's';
-        } else if (duration < YEAR_IN_MILLIS && minResolution < YEAR_IN_MILLIS) {
+        } else if (duration < 320*DAY_IN_MILLIS) {
             count = duration/MONTH_IN_MILLIS;
             format = "%d month";
+            mod = duration % MONTH_IN_MILLIS;
+            if(mod >= 15*DAY_IN_MILLIS)
+                count += 1;
             if(count>1)
                 format = format + 's';
-        } else if (duration < DECADE_IN_MILLIS && minResolution < DECADE_IN_MILLIS) {
+        } else if (duration < DECADE_IN_MILLIS) {
             count = duration/YEAR_IN_MILLIS;
             format = "%d year";
+            mod = duration % YEAR_IN_MILLIS;
+            if(mod >= 183*DAY_IN_MILLIS)
+                count += 1;
             if(count>1)
                 format = format + 's';
         }

app/src/main/java/gr/thmmy/mthmmy/utils/RelativeTimeTextView.java

@@ -100,24 +100,7 @@ public class RelativeTimeTextView extends TextView {
          */
         if (this.mReferenceTime == -1L)
             return;
-        setText(getRelativeTimeDisplayString(mReferenceTime, System.currentTimeMillis()));
-    }
-
-    /**
-     * Get the text to display for relative time.
-     * <br/>
-     * @param referenceTime The reference time passed in through {@link #setReferenceTime(long)} or through {@code reference_time} attribute
-     * @param now The current time
-     * @return The display text for the relative time
-     */
-    protected CharSequence getRelativeTimeDisplayString(long referenceTime, long now) {
-        long difference = now - referenceTime;
-        return (difference >= 0 &&  difference<=DateUtils.MINUTE_IN_MILLIS) ?
-                "just now" :
-                getRelativeTimeSpanString(
-                        mReferenceTime,
-                        now,
-                        DateUtils.MINUTE_IN_MILLIS);
+        setText(getRelativeTimeSpanString(mReferenceTime));
     }
 
     @Override

app/src/test/java/gr/thmmy/mthmmy/utils/DateTimeUtilsTest.java

@@ -0,0 +1,106 @@
+package gr.thmmy.mthmmy.utils;
+
+import net.lachlanmckee.timberjunit.TimberTestRule;
+
+import org.joda.time.DateTime;
+import org.junit.Rule;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.powermock.api.mockito.PowerMockito;
+import org.powermock.core.classloader.annotations.PrepareForTest;
+import org.powermock.modules.junit4.PowerMockRunner;
+
+import static gr.thmmy.mthmmy.utils.DateTimeUtils.getRelativeTimeSpanString;
+import static org.junit.Assert.assertArrayEquals;
+import static org.mockito.Mockito.when;
+
+@RunWith(PowerMockRunner.class)
+@PrepareForTest(DateTimeUtils.class)
+public class DateTimeUtilsTest {
+    @Rule
+    public TimberTestRule logAllAlwaysRule = TimberTestRule.logAllAlways();
+
+    private final long NOW = System.currentTimeMillis();
+    private final String [] expectedRelativeTimeSpans = {
+            "just now",
+            "just now",
+            "just now",
+            "1m",
+            "1m",
+            "1m",
+            "2m",
+            "3m",
+            "1h",
+            "1h15m",
+            "2h",
+            "3h20m",
+            "4h",
+            "20h",
+            "21h",
+            "21h",
+            "21h",
+            "22h",
+            "1 day",
+            "1 day",
+            "2 days",
+            "2 days",
+            "3 days",
+            "16 days",
+            "1 month",
+            "2 months",
+            "1 year",
+            "1 year",
+            "2 years",
+            "a long time ago"
+    };
+
+    private final long [] times = {
+            NOW,
+            newDT().minusSeconds(44).getMillis(),
+            newDT().minusSeconds(44).minusMillis(500).getMillis(),
+            newDT().minusSeconds(45).getMillis(),
+            newDT().minusSeconds(89).getMillis(),
+            newDT().minusSeconds(89).minusMillis(500).getMillis(),
+            newDT().minusSeconds(90).getMillis(),
+            newDT().minusMinutes(3).minusSeconds(10).getMillis(),
+            newDT().minusHours(1).minusMinutes(4).getMillis(),
+            newDT().minusHours(1).minusMinutes(15).getMillis(),
+            newDT().minusHours(2).minusMinutes(4).getMillis(),
+            newDT().minusHours(3).minusMinutes(20).getMillis(),
+            newDT().minusHours(3).minusMinutes(51).getMillis(),
+            newDT().minusHours(20).minusMinutes(10).getMillis(),
+            newDT().minusHours(20).minusMinutes(30).getMillis(),
+            newDT().minusHours(21).getMillis(),
+            newDT().minusHours(21).minusMinutes(29).getMillis(),
+            newDT().minusHours(21).minusMinutes(30).getMillis(),
+            newDT().minusHours(22).minusMinutes(30).getMillis(),
+            newDT().minusHours(34).getMillis(),
+            newDT().minusHours(38).getMillis(),
+            newDT().minusDays(2).minusHours(10).getMillis(),
+            newDT().minusDays(2).minusHours(17).getMillis(),
+            newDT().minusDays(16).getMillis(),
+            newDT().minusDays(30+12).getMillis(),
+            newDT().minusDays(2*30+14).getMillis(),
+            newDT().minusDays(14*30).getMillis(),
+            newDT().minusMonths(15).getMillis(),
+            newDT().minusMonths(22).getMillis(),
+            newDT().minusYears(22).getMillis()
+    };
+
+    private DateTime newDT(){
+        return new DateTime(NOW);
+    }
+
+    @Test
+    public void relativeTimeSpansAreConvertedCorrectly() {
+        PowerMockito.mockStatic(System.class);
+        when(System.currentTimeMillis()).thenReturn(NOW);
+
+        String[] timeStrings = new String[times.length];
+
+        for(int i=0; i<times.length; i++)
+            timeStrings[i] = getRelativeTimeSpanString(times[i]);
+
+        assertArrayEquals(expectedRelativeTimeSpans,timeStrings);
+    }
+}

app/src/test/java/gr/thmmy/mthmmy/utils/parsing/ThmmyDateTimeParserTest.java

@@ -75,7 +75,7 @@ public class ThmmyDateTimeParserTest {
     };
 
     @Test
-    public void todayDateTimeDontConvertToNull() {
+    public void todayDateTimeConvertToNonNull() {
         stub(method(ThmmyDateTimeParser.class, GET_DTZ)).toReturn(DateTimeZone.forID(TIME_ZONE));
 
         for (String todayDateTime : todayDateTimes)