fix(params-check): contemplate omitempty in json tag for _id and _rev…

… check

utils.go

@@ -7,6 +7,7 @@ import (
 	"net/url"
 	"reflect"
 	"regexp"
+	"strings"
 )
 
 var ErrMissingID = errors.New("missing _id field")
@@ -34,9 +35,9 @@ func checkParameter(param interface{}) error {
 		for i := 0; i < fields.NumField(); i++ {
 			field := fields.Field(i)
 			tag := field.Tag.Get("json")
-			if tag == "_id" {
+			if strings.Contains(tag, "_id") {
 				idTagExists = true
-			} else if tag == "_rev" {
+			} else if strings.Contains(tag, "_rev") {
 				revTagExists = true
 			}
 			if idTagExists && revTagExists {

utils_test.go

@@ -28,6 +28,11 @@ type structWithMixedTags struct {
 	Rev string
 }
 
+type structWithOmitEmpty struct {
+	ID  string `json:"_id,omitempty"`
+	Rev string `json:"_rev,omitempty"`
+}
+
 // TestCheckParameter tests the checkParameter function
 func TestCheckParameter(t *testing.T) {
 	tests := []struct {
@@ -80,6 +85,11 @@ func TestCheckParameter(t *testing.T) {
 			param:    nil,
 			expected: errors.New("unsupported type"), // Adjust this expected error message if needed
 		},
+		{
+			name:     "Test structWithOmitEmpty with _id and _rev",
+			param:    structWithOmitEmpty{ID: "123", Rev: "456"},
+			expected: nil,
+		},
 	}
 
 	for _, tt := range tests {