From 3825baa26dc74ebbcb0b1add11abb2e488c6332f Mon Sep 17 00:00:00 2001
From: Alex Arnaud <alex.arnaud@biblibre.com>
Date: Mon, 4 Jan 2016 14:49:04 +0100
Subject: [PATCH] Bug 15206 - Show patron's age under date of birth in
 memberentry.pl

Test plan:

Create or edit a patron (members/memberentry.pl), enter a date of birth
(for a new patron), patron'a age should be shown under

Signed-off-by: Owen Leonard <oleonard@myacpl.org>

Signed-off-by: Jonathan Druart <jonathan.druart@bugs.koha-community.org>
---
 koha-tmpl/intranet-tmpl/prog/en/js/members.js      | 52 ++++++++++++++++++++++
 .../prog/en/modules/members/memberentrygen.tt      | 10 ++---
 2 files changed, 55 insertions(+), 7 deletions(-)

diff --git a/koha-tmpl/intranet-tmpl/prog/en/js/members.js b/koha-tmpl/intranet-tmpl/prog/en/js/members.js
index 75e230b..10fc154 100644
--- a/koha-tmpl/intranet-tmpl/prog/en/js/members.js
+++ b/koha-tmpl/intranet-tmpl/prog/en/js/members.js
@@ -147,6 +147,58 @@ function Dopopguarantor(link) {
     var newin=window.open(link,'popup','width=600,height=400,resizable=no,toolbar=false,scrollbars=yes,top');
 }
 
+function CalculateAge() {
+    var hint = $("#dateofbirth").siblings(".hint").first();
+    hint.html(dateformat);
+
+    if (dformat == 'metric' && false === CheckDate(document.form.dateofbirth)) {
+        return;
+    }
+
+    if (!$("#dateofbirth").datepicker( 'getDate' )) {
+        return;
+    }
+
+    var today = new Date();
+    var dob = new Date($("#dateofbirth").datepicker( 'getDate' ));
+
+    var nowyear = today.getFullYear();
+    var nowmonth = today.getMonth();
+    var nowday = today.getDate();
+
+    var birthyear = dob.getFullYear();
+    var birthmonth = dob.getMonth();
+    var birthday = dob.getDate();
+
+    var year = nowyear - birthyear;
+    var month = nowmonth - birthmonth;
+    var day = nowday - birthday;
+
+    if(day < 0) {
+        month = parseInt(month) -1;
+    }
+
+    if(month < 0) {
+        year = parseInt(year) -1;
+        month = 12 + month;
+    }
+
+    var age_string;
+    if (year || month) {
+        age_string = _('Age: ');
+    }
+    if (year) {
+        age_string += _(year > 1 ? '%s years ' : '%s year ').format(year);
+    }
+
+    if (month) {
+        age_string += _(month > 1 ? '%s months ' : '%s month ').format(month);
+    }
+
+    hint.html(age_string);
+
+}
+
 $(document).ready(function(){
     if($("#yesdebarred").is(":checked")){
         $("#debarreduntil").show();
diff --git a/koha-tmpl/intranet-tmpl/prog/en/modules/members/memberentrygen.tt b/koha-tmpl/intranet-tmpl/prog/en/modules/members/memberentrygen.tt
index d66357f..0210613 100644
--- a/koha-tmpl/intranet-tmpl/prog/en/modules/members/memberentrygen.tt
+++ b/koha-tmpl/intranet-tmpl/prog/en/modules/members/memberentrygen.tt
@@ -34,6 +34,8 @@
             }
         [% END %]
         $("#dateofbirth").datepicker({ maxDate: "-1D", yearRange: "c-120:" });
+        dateformat = $("#dateofbirth").siblings(".hint").first().html();
+        CalculateAge();
         $("#entryform").validate({
             rules: {
                 email: {
@@ -145,8 +147,6 @@
         return 0;
     }
 
-
-
         var MSG_SEPARATOR = _("Separator must be / in field %s");
         var MSG_INCORRECT_DAY = _("Invalid day entered in field %s");
         var MSG_INCORRECT_MONTH = _("Invalid month entered in field %s");
@@ -343,11 +343,7 @@
                 [% END %]
                 Date of birth: </label>
 
-        [% IF ( dateformat == "metric" ) %]
-                <input type="text" id="dateofbirth" name="dateofbirth" size="20" onchange="CheckDate(document.form.dateofbirth);" value="[% UNLESS opduplicate %][% dateofbirth %][% END %]" />
-        [% ELSE %]
-                <input type="text" id="dateofbirth" name="dateofbirth" size="20" value="[% UNLESS opduplicate %][% dateofbirth %][% END %]" />
-        [% END %]
+                <input type="text" id="dateofbirth" name="dateofbirth" size="20" onchange="CalculateAge();" value="[% UNLESS opduplicate %][% dateofbirth %][% END %]" />
 
         [% IF ( mandatorydateofbirth ) %]<span class="required">Required</span>[% END %]
         [% IF ( ERROR_dateofbirth ) %]<span class="required">(Error)</span>[% END %]
-- 
2.1.0