fix(rules): Accept more input types to parse date

Author: ricardogobbosouza

src/rules/abstract-date.ts

@@ -1,7 +1,8 @@
 import * as moment from 'moment';
 
 import { AbstractRule } from './abstract-rule';
-import { IntVal } from './int-val';
+import { BooleanType } from './boolean-type';
+import { NumberVal } from './number-val';
 import { StringType } from './string-type';
 
 export abstract class AbstractDate extends AbstractRule {
@@ -19,7 +20,7 @@ export abstract class AbstractDate extends AbstractRule {
     public validate(input: any): boolean {
         const date: moment.Moment = this.parseDate(input);
 
-        return this.validateDate(date);
+        return date.isValid() && this.validateDate(date);
     }
 
     /**
@@ -31,16 +32,20 @@ export abstract class AbstractDate extends AbstractRule {
      * Parse Date.
      */
     private parseDate(input: any): moment.Moment {
-        if (new IntVal().validate(input)) {
-            return moment([input]);
+        if (new NumberVal().validate(input)) {
+            if (moment([input]).isValid()) {
+                return moment([input]);
+            }
+
+            return moment.unix(Number(input));
         }
 
         if (new StringType().validate(input)) {
             return moment(input, this.format);
         }
 
-        if (moment.isMoment(input)) {
-            return input;
+        if (new BooleanType().validate(input)) {
+            return moment();
         }
 
         return moment(input);