Added frontend PetDAO

src/main/webapp/js/dao/pets.js

+var PetsDAO = (function() {
+	var resourcePath = "rest/pets/";
+	var requestByAjax = function(data, done, fail, always) {
+		done = typeof done !== 'undefined' ? done : function() {};
+		fail = typeof fail !== 'undefined' ? fail : function() {};
+		always = typeof always !== 'undefined' ? always : function() {};
+		
+		$.ajax(data)
+			.done(done)
+			.fail(fail)
+			.always(always);
+	};
+	
+	function PetsDAO() {
+		this.listPets = function(done, fail, always) {
+			requestByAjax({
+				url: resourcePath,
+				type: 'GET'
+			}, done, fail, always);
+		};
+		
+		this.listPeoplePets = function(id, done, fail, always) {
+			requestByAjax({
+				url: "rest/people/" + id + "/pets/",
+				type: 'GET'
+			}, done, fail, always)
+		};
+		
+		this.addPet = function(pet, done, fail, always) {
+			requestByAjax({
+				url: resourcePath,
+				type: 'POST',
+				data: pet
+			}, done, fail, always);
+		};
+		
+		this.modifyPet = function(pet, done, fail, always) {
+			requestByAjax({
+				url: resourcePath + pet.id,
+				type: 'PUT',
+				data: pet
+			}, done, fail, always);
+		};
+		
+		this.deletePet = function(id, done, fail, always) {
+			requestByAjax({
+				url: resourcePath + id,
+				type: 'DELETE',
+			}, done, fail, always);
+		};
+	}
+	
+	return PetDAO;
+})();
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