aboutsummaryrefslogtreecommitdiffstats
path: root/libempathy/empathy-time.c
blob: b0ad0188883439cc4f92f0e90e9679a8d17ff7b4 (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
/*
 * Copyright (C) 2003-2007 Imendio AB
 * Copyright (C) 2007-2010 Collabora Ltd.
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
 *
 * Authors: Richard Hult <richard@imendio.com>
 */

#include "config.h"

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <glib/gi18n.h>

#include "empathy-time.h"

/* Note: EmpathyTime is always in UTC. */

time_t
empathy_time_get_current (void)
{
    return time (NULL);
}

/* Converts the UTC timestamp to a string, also in UTC. Returns NULL on failure. */
gchar *
empathy_time_to_string_utc (time_t       t,
                const gchar *format)
{
    gchar      stamp[128];
    struct tm *tm;

    g_return_val_if_fail (format != NULL, NULL);

    tm = gmtime (&t);
    if (strftime (stamp, sizeof (stamp), format, tm) == 0) {
        return NULL;
    }

    return g_strdup (stamp);
}

/* Converts the UTC timestamp to a string, in local time. Returns NULL on failure. */
gchar *
empathy_time_to_string_local (time_t       t,
                  const gchar *format)
{
    gchar      stamp[128];
    struct tm *tm;

    g_return_val_if_fail (format != NULL, NULL);

    tm = localtime (&t);
    if (strftime (stamp, sizeof (stamp), format, tm) == 0) {
        return NULL;
    }

    return g_strdup (stamp);
}

gchar  *
empathy_time_to_string_relative (time_t then)
{
    time_t now;
    gint   seconds;

    now = time (NULL);
    seconds = now - then;

    if (seconds > 0) {
        if (seconds < 60) {
            return g_strdup_printf (ngettext ("%d second ago",
                "%d seconds ago", seconds), seconds);
        }
        else if (seconds < (60 * 60)) {
            seconds /= 60;
            return g_strdup_printf (ngettext ("%d minute ago",
                "%d minutes ago", seconds), seconds);
        }
        else if (seconds < (60 * 60 * 24)) {
            seconds /= 60 * 60;
            return g_strdup_printf (ngettext ("%d hour ago",
                "%d hours ago", seconds), seconds);
        }
        else if (seconds < (60 * 60 * 24 * 7)) {
            seconds /= 60 * 60 * 24;
            return g_strdup_printf (ngettext ("%d day ago",
                "%d days ago", seconds), seconds);
        }
        else if (seconds < (60 * 60 * 24 * 30)) {
            seconds /= 60 * 60 * 24 * 7;
            return g_strdup_printf (ngettext ("%d week ago",
                "%d weeks ago", seconds), seconds);
        }
        else {
            seconds /= 60 * 60 * 24 * 30;
            return g_strdup_printf (ngettext ("%d month ago",
                "%d months ago", seconds), seconds);
        }
    }
    else {
        return g_strdup (_("in the future"));
    }
}