#792 Include registration date into purging logic

- Take MAX(reg_date, login_date) as timestamp to compare against
- Remove the second "all" parameter to include entries with 0 registration date -> we expect registration date to always be set to the current date, so the parameter becomes obsolete

src/test/java/fr/xephi/authme/command/executable/authme/PurgeCommandTest.java

@@ -9,7 +9,6 @@ import org.mockito.InjectMocks;
 import org.mockito.Mock;
 import org.mockito.junit.MockitoJUnitRunner;
 
-import java.util.Arrays;
 import java.util.Calendar;
 import java.util.Collections;
 
@@ -74,7 +73,7 @@ public class PurgeCommandTest {
 
         // then
         ArgumentCaptor<Long> captor = ArgumentCaptor.forClass(Long.class);
-        verify(purgeService).runPurge(eq(sender), captor.capture(), eq(false));
+        verify(purgeService).runPurge(eq(sender), captor.capture());
 
         // Check the timestamp with a certain tolerance
         int toleranceMillis = 100;
@@ -83,41 +82,6 @@ public class PurgeCommandTest {
         assertIsCloseTo(captor.getValue(), calendar.getTimeInMillis(), toleranceMillis);
     }
 
-    @Test
-    public void shouldProcessCommandWithAllParameter() {
-        // given
-        String interval = "32";
-        CommandSender sender = mock(CommandSender.class);
-
-        // when
-        command.executeCommand(sender, Arrays.asList(interval, "all"));
-
-        // then
-        ArgumentCaptor<Long> captor = ArgumentCaptor.forClass(Long.class);
-        verify(purgeService).runPurge(eq(sender), captor.capture(), eq(true));
-
-        // Check the timestamp with a certain tolerance
-        int toleranceMillis = 100;
-        Calendar calendar = Calendar.getInstance();
-        calendar.add(Calendar.DATE, -Integer.valueOf(interval));
-        assertIsCloseTo(captor.getValue(), calendar.getTimeInMillis(), toleranceMillis);
-    }
-
-    @Test
-    public void shouldRejectCommandWithInvalidSecondParameter() {
-        // given
-        String interval = "80";
-        CommandSender sender = mock(CommandSender.class);
-
-        // when
-        command.executeCommand(sender, Arrays.asList(interval, "bogus"));
-
-        // then
-        verify(sender).sendMessage(
-            argThat(containsString("Purge process aborted; use '/authme purge " + interval + " all'")));
-        verifyZeroInteractions(purgeService);
-    }
-
     private static void assertIsCloseTo(long value1, long value2, long tolerance) {
         assertThat(Math.abs(value1 - value2), not(greaterThan(tolerance)));
     }