feat: add function to return int values

entry.go

@@ -50,6 +50,16 @@ func (entry *Entry) FloatField(name string) (value float64, err error) {
 	return
 }
 
+// IntField returns an entry field value as float64. Return nil if field does not exist
+// and conversion error if cannot cast a type.
+func (entry *Entry) IntField(name string) (value int64, err error) {
+	tmp, err := entry.Field(name)
+	if err == nil {
+		value, err = strconv.ParseInt(tmp, 0, 64)
+	}
+	return
+}
+
 // SetField sets the value of a field
 func (entry *Entry) SetField(name string, value string) {
 	entry.fields[name] = value

entry_test.go

@@ -1,8 +1,9 @@
 package gonx
 
 import (
-	. "github.com/smartystreets/goconvey/convey"
 	"testing"
+
+	. "github.com/smartystreets/goconvey/convey"
 )
 
 func TestEntry(t *testing.T) {
@@ -45,6 +46,23 @@ func TestEntry(t *testing.T) {
 				So(err, ShouldNotBeNil)
 				So(val, ShouldEqual, 0.0)
 			})
+
+			Convey("Get int values", func() {
+				// Get existings field
+				val, err := entry.IntField("foo")
+				So(err, ShouldBeNil)
+				So(val, ShouldEqual, 1)
+
+				// Type casting eror
+				val, err = entry.IntField("bar")
+				So(err, ShouldNotBeNil)
+				So(val, ShouldEqual, 0)
+
+				// Get field that does not exist
+				val, err = entry.IntField("baz")
+				So(err, ShouldNotBeNil)
+				So(val, ShouldEqual, 0)
+			})
 		})
 
 		Convey("Test set Entry fields", func() {