[geary: 3/8] util-date: extract getting format string to a function helper

[Michael Gratton <mjog src gnome org>]

commit beb25cc622b7c31921859abc4c6ba0e9f9ab500e
Author: Konstantin Kharlamov <Hi-Angel yandex ru>
Date:   Fri Mar 1 00:47:47 2019 +0300

    util-date: extract getting format string to a function helper
    
    It's public because it will be used in next commit
    
    Signed-off-by: Konstantin Kharlamov <Hi-Angel yandex ru>

 src/client/util/util-date.vala | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)
---
diff --git a/src/client/util/util-date.vala b/src/client/util/util-date.vala
index 8f83c684..16fab9b3 100644
--- a/src/client/util/util-date.vala
+++ b/src/client/util/util-date.vala
@@ -171,7 +171,7 @@ private string pretty_print_coarse(CoarseDate coarse_date, ClockFormat clock_for
             return ngettext("%dh ago", "%dh ago", (ulong) rounded).printf(rounded);
 
         case CoarseDate.TODAY:
-            fmt = xlat_pretty_clocks[clock_format.to_index()];
+            fmt = get_clock_format(clock_format);
         break;
 
         case CoarseDate.YESTERDAY:
@@ -209,4 +209,8 @@ public string pretty_print_verbose(DateTime datetime, ClockFormat clock_format)
     return datetime.format(xlat_pretty_verbose_dates[clock_format.to_index()]);
 }
 
+public string get_clock_format(ClockFormat clock_format) {
+    return xlat_pretty_clocks[clock_format.to_index()];
+}
+
 }