Add StructHasStringValue, StructHasProperty

struct.go

@@ -10,6 +10,38 @@ import (
 	"go.mongodb.org/mongo-driver/v2/bson"
 )
 
+// StructHasStringValue given any struct will check if the requested property has
+// a non-blank value.
+func StructHasStringValue(o any, field string) bool {
+	v := reflect.ValueOf(o).Elem().FieldByName(field)
+
+	return v.String() != ""
+}
+
+// StructHasNotStringValue given any struct will check if the requested property has
+// a blank value.
+func StructHasNotStringValue(o any, field string) bool {
+	return !StructHasStringValue(o, field)
+}
+
+// StructHasProperty cheks if a struct has the requested property.
+func StructHasProperty(value interface{}, name string) bool {
+	vo := reflect.ValueOf(value).Elem()
+	
+	typeOfValue := vo.Type()
+
+	has := false
+	
+	for i:= 0; i < vo.NumField(); i++ {
+		if typeOfValue.Field(i).Name == name {
+			has = true
+			break
+		}
+	}
+
+	return has
+}
+
 // StructMustTomap given any struct return the equivalent map[string]any or nil.
 // Will never throw.
 func StructMustToMap(data any) map[string]any {

struct_test.go

@@ -4,6 +4,22 @@ import (
   "testing"
 )
 
+func TestStructHasProperty(t *testing.T) {
+  type O struct {
+    Name string
+    Age int
+  }
+
+  o := &O{
+    Name: "Nick",
+    Age: 15,
+  }
+
+  if !StructHasProperty(o, "Name") {
+    t.Fatal("Should have property name")
+  }
+}
+
 func TestStructSetValue(t *testing.T) {
   type O struct {
     Name string