Add constructor for Date and DateTime

It is needed to be able to differentiate Date and DateTime because Javascript
as only a datetime object named Date.

review1115003

src/common.js

@@ -105,7 +105,8 @@
     };
 
     Sao.common.parse_datetime = function(date_format, time_format, value) {
-        var date = jQuery.datepicker.parseDate(date_format, value);
+        var date = Sao.DateTime(
+                jQuery.datepicker.parseDate(date_format, value));
         var time_value = value.replace(jQuery.datepicker.formatDate(
                     date_format + ' ', date), '');
         var time = Sao.common.parse_time(time_format, time_value);

src/model.js

@@ -1153,8 +1153,8 @@
         set_client: function(record, value, force_change) {
             if (!(value instanceof Date)) {
                 try {
-                    value = jQuery.datepicker.parseDate(
-                        Sao.common.date_format(), value);
+                    value = Sao.Date(jQuery.datepicker.parseDate(
+                            Sao.common.date_format(), value));
                 } catch (e) {
                     value = this._default;
                 }

src/pyson.js

@@ -26,8 +26,12 @@
                 if (v instanceof Sao.PYSON.PYSON) {
                     return v.pyson();
                 } else if (v instanceof Date) {
-                    if (v.getHours() || v.getMinutes() || v.getSeconds() ||
-                        v.getMilliseconds()) {
+                    if (v.isDate) {
+                        return Sao.PYSON.Date(
+                            v.getFullYear(),
+                            v.getMonth(),
+                            v.getDate()).pyson();
+                    } else {
                         return Sao.PYSON.DateTime(
                             v.getFullYear(),
                             v.getMonth(),
@@ -36,11 +40,6 @@
                             v.getMinutes(),
                             v.getSeconds(),
                             v.getMilliseconds()).pyson();
-                    } else {
-                        return Sao.PYSON.DateTime(
-                            v.getFullYear(),
-                            v.getMonth(),
-                            v.getDate()).pyson();
                     }
                 }
                 return v;
@@ -544,7 +543,7 @@
     });
 
     Sao.PYSON.Date.eval_ = function(value, context) {
-        var date = new Date();
+        var date = Sao.Date();
         date.setHours(0);
         date.setMinutes(0);
         date.setSeconds(0);
@@ -610,7 +609,7 @@
     });
 
     Sao.PYSON.DateTime.eval_ = function(value, context) {
-        var date = new Date();
+        var date = Sao.DateTime();
         if (value.y) date.setFullYear(value.y);
         if (value.M) date.setMonth(value.M - 1);
         if (value.d) date.setDate(value.d);

src/rpc.js

@@ -68,12 +68,12 @@
            if (value && value.__class__) {
                switch (value.__class__) {
                    case 'datetime':
-                       value = new Date(Date.UTC(value.year,
+                       value = Sao.DateTime(Date.UTC(value.year,
                                value.month - 1, value.day, value.hour,
                                value.minute, value.second));
                        break;
                    case 'date':
-                       value = new Date(value.year,
+                       value = Sao.Date(value.year,
                            value.month - 1, value.day);
                        break;
                    case 'time':
@@ -117,9 +117,14 @@
         } else if ((typeof(value) != 'string') &&
                 (typeof(value) != 'number') && (value !== null)) {
             if (value instanceof Date) {
-                if (value.getHours() || value.getMinutes() ||
-                        value.getSeconds())
-                {
+                if (value.isDate){
+                    value = {
+                        '__class__': 'date',
+                        'year': value.getFullYear(),
+                        'month': value.getMonth() + 1,
+                        'day': value.getDate()
+                    };
+                } else {
                     value = {
                         '__class__': 'datetime',
                         'year': value.getUTCFullYear(),
@@ -129,13 +134,6 @@
                         'minute': value.getUTCMinutes(),
                         'second': value.getUTCSeconds()
                     };
-                } else {
-                    value = {
-                        '__class__': 'date',
-                        'year': value.getFullYear(),
-                        'month': value.getMonth() + 1,
-                        'day': value.getDate()
-                    };
                 }
                 if (parent) {
                     parent[index] = value;

src/sao.js

@@ -35,6 +35,37 @@ var Sao = {};
 
     Sao.Decimal = Number;
 
+    Sao.Date = function(year, month, day) {
+        var date;
+        if (year === undefined) {
+            date = new Date();
+        } else if (date === undefined) {
+            date = new Date(year);
+        } else {
+            date = new Date(year, month, day);
+        }
+        date.isDate = true;
+        date.setHours(0);
+        date.setMinutes(0);
+        date.setSeconds(0);
+        date.setMilliseconds(0);
+        return date;
+    };
+
+    Sao.DateTime = function(year, month, day, hour, minute, second) {
+        var datetime;
+        if (year === undefined) {
+            datetime = new Date();
+        } else if (month === undefined) {
+            datetime = new Date(year);
+        } else {
+            datetime = new Date(year, month, day, hour, minute, second);
+        }
+        datetime.isDateTime = true;
+        datetime.setMilliseconds(0);
+        return datetime;
+    };
+
     Sao.Time = Sao.class_(Object, {
         init: function(hour, minute, second) {
             this.date = new Date(0, 0, 0, hour, minute, second);

tests/sao.js

@@ -18,8 +18,8 @@
                 'foo': true,
                 'bar': false
             },
-            'datetime': new Date(2012, 11, 29, 19, 59, 10),
-            'date': new Date(2012, 11, 29),
+            'datetime': Sao.DateTime(2012, 11, 29, 19, 59, 10),
+            'date': Sao.Date(2012, 11, 29),
             'decimal': new Sao.Decimal(1.1),
             'null': null
         };