[gnome-games] savestate-listbox-row: Use nicer date formats for creation dates

[Alexander Mikhaylenko <alexm src gnome org>]

commit bc2d4a208666ee7abf6352a86b2f5ccad6034cf2
Author: Yetizone <andreii lisita gmail com>
Date:   Sat Aug 17 00:42:21 2019 +0300

    savestate-listbox-row: Use nicer date formats for creation dates

 src/ui/savestate-listbox-row.vala | 53 ++++++++++++++++++++++++++++++++++-----
 1 file changed, 47 insertions(+), 6 deletions(-)
---
diff --git a/src/ui/savestate-listbox-row.vala b/src/ui/savestate-listbox-row.vala
index 8a499f91..17b64508 100644
--- a/src/ui/savestate-listbox-row.vala
+++ b/src/ui/savestate-listbox-row.vala
@@ -25,12 +25,8 @@ private class Games.SavestateListBoxRow : Gtk.ListBoxRow {
                                name_label.label = savestate.get_name ();
 
                        var creation_date = savestate.get_creation_date ();
-
-                       /* Translators: this is the day number followed
-             * by the abbreviated month name followed by the year followed
-             * by a time in 24h format i.e. "3 Feb 2015 23:04:00" */
-            /* xgettext:no-c-format */
-                       date_label.label = creation_date.format (_("%-e %b %Y %X"));
+                       var date_format = get_date_format (creation_date);
+                       date_label.label = creation_date.format (date_format);
 
                        load_thumbnail ();
                }
@@ -170,5 +166,50 @@ private class Games.SavestateListBoxRow : Gtk.ListBoxRow {
                cr.arc (x + radius,         y + radius,          radius, ARC_2, ARC_3);
                cr.close_path ();
        }
+
+       // Get the date format such that savestates dates are presented similar to
+       // Nautilus's Modified column
+       // Adapted from nautilus-file.c, nautilus_file_get_date_as_string()
+       private string get_date_format (DateTime savestate_date) {
+               var savestate_date_midnight = new DateTime.local (savestate_date.get_year (),
+                                                                 savestate_date.get_month (),
+                                                                 savestate_date.get_day_of_month (),
+                                                                 0, 0, 0);
+               var now = new DateTime.now ();
+               var today_midnight = new DateTime.local (now.get_year (), now.get_month (), 
now.get_day_of_month (), 0, 0, 0);
+               var days_ago = (today_midnight.difference (savestate_date_midnight)) / GLib.TimeSpan.DAY;
+
+               if (days_ago == 0) {
+                       /* Translators: Time in locale format */
+                       /* xgettext:no-c-format */
+                       return _("%X");
+               }
+               else if (days_ago == 1) {
+                       /* Translators: this is the word Yesterday followed by
+                        * a time in locale format. i.e. "Yesterday 23:04:35" */
+                       /* xgettext:no-c-format */
+                       return _("Yesterday %X");
+               }
+               else if (days_ago > 1 && days_ago < 7) {
+                       /* Translators: this is the abbreviated name of the week day followed by
+                        * a time in locale format. i.e. "Monday 23:04:35" */
+                       /* xgettext:no-c-format */
+                       return _("%a %X");
+               }
+               else if (savestate_date.get_year () == now.get_year ()) {
+                       /* Translators: this is the day of the month followed
+                        * by the abbreviated month name followed by a time in
+                        * locale format i.e. "3 Feb 23:04:35" */
+                       /* xgettext:no-c-format */
+                       return _("%-e %b %X");
+               }
+               else {
+                       /* Translators: this is the day number followed
+                        * by the abbreviated month name followed by the year followed
+                        * by a time in locale format i.e. "3 Feb 2015 23:04:00" */
+                       /* xgettext:no-c-format */
+                       return _("%-e %b %Y %X");
+               }
+       }
 }