feat: add date validation for DOB field in Res struct

Author: vinit717

call-profile/testdata.go

@@ -242,6 +242,78 @@ var ResValidationTests = []struct {
 		IsValid:     false,
 		Description: "Invalid website URL should fail validation",
 	},
+	{
+		Name: "InvalidDOBFormat_Slash",
+		Res: utils.Res{
+			FirstName:   "John",
+			LastName:    "Doe",
+			Email:       "[email protected]",
+			Phone:       "1234567890",
+			YOE:         5,
+			Company:     "Tech Corp",
+			Designation: "Developer",
+			GithubId:    "johndoe",
+			LinkedIn:    "johndoe",
+			Website:     "https://johndoe.com",
+			DOB:         "01/15/1990",
+		},
+		IsValid:     false,
+		Description: "DOB with slash separator should fail validation",
+	},
+	{
+		Name: "InvalidDOBFormat_WrongFormat",
+		Res: utils.Res{
+			FirstName:   "John",
+			LastName:    "Doe",
+			Email:       "[email protected]",
+			Phone:       "1234567890",
+			YOE:         5,
+			Company:     "Tech Corp",
+			Designation: "Developer",
+			GithubId:    "johndoe",
+			LinkedIn:    "johndoe",
+			Website:     "https://johndoe.com",
+			DOB:         "invalid-date",
+		},
+		IsValid:     false,
+		Description: "Invalid date string should fail validation",
+	},
+	{
+		Name: "ValidDOB_EmptyString",
+		Res: utils.Res{
+			FirstName:   "John",
+			LastName:    "Doe",
+			Email:       "[email protected]",
+			Phone:       "1234567890",
+			YOE:         5,
+			Company:     "Tech Corp",
+			Designation: "Developer",
+			GithubId:    "johndoe",
+			LinkedIn:    "johndoe",
+			Website:     "https://johndoe.com",
+			DOB:         "",
+		},
+		IsValid:     true,
+		Description: "Empty DOB string should be valid (optional field)",
+	},
+	{
+		Name: "ValidDOB_ValidFormat",
+		Res: utils.Res{
+			FirstName:   "John",
+			LastName:    "Doe",
+			Email:       "[email protected]",
+			Phone:       "1234567890",
+			YOE:         5,
+			Company:     "Tech Corp",
+			Designation: "Developer",
+			GithubId:    "johndoe",
+			LinkedIn:    "johndoe",
+			Website:     "https://johndoe.com",
+			DOB:         "1990-01-15",
+		},
+		IsValid:     true,
+		Description: "Valid DOB in YYYY-MM-DD format should pass validation",
+	},
 }
 
 var MockResponses = struct {

layer/utils/validation.go

@@ -59,5 +59,6 @@ func (res Res) Validate() error {
 		validation.Field(&res.Designation, validation.Required),
 		validation.Field(&res.GithubId, validation.Required),
 		validation.Field(&res.LinkedIn, validation.Required),
-		validation.Field(&res.Website, is.URL))
+		validation.Field(&res.Website, is.URL),
+		validation.Field(&res.DOB, validation.Date("2006-01-02")))
 }