🔥 Feature: add queryBool parser (#2329)

* 🔥 Feature: add queryBool parser

* 🩹 pass linter

ctx.go

@@ -1126,6 +1126,27 @@ func (c *Ctx) QueryInt(key string, defaultValue ...int) int {
 	return value
 }
 
+// QueryBool returns bool value of key string parameter in the url.
+// Default to empty or invalid key is true.
+//
+//	Get /?name=alex&want_pizza=false&id=
+//	QueryBool("want_pizza") == false
+//	QueryBool("want_pizza", true) == false
+//	QueryBool("alex") == true
+//	QueryBool("alex", false) == false
+//	QueryBool("id") == true
+//	QueryBool("id", false) == false
+func (c *Ctx) QueryBool(key string, defaultValue ...bool) bool {
+	value, err := strconv.ParseBool(c.app.getString(c.fasthttp.QueryArgs().Peek(key)))
+	if err != nil {
+		if len(defaultValue) > 0 {
+			return defaultValue[0]
+		}
+		return true
+	}
+	return value
+}
+
 // QueryFloat returns float64 value of key string parameter in the url.
 // Default to empty or invalid key is 0.
 //
@@ -1144,7 +1165,6 @@ func (c *Ctx) QueryFloat(key string, defaultValue ...float64) float64 {
 		}
 		return 0
 	}
-
 	return value
 }
 

ctx_test.go

@@ -2149,6 +2149,21 @@ func Test_Ctx_QueryInt(t *testing.T) {
 	utils.AssertEqual(t, 2, c.QueryInt("id", 2))
 }
 
+func Test_Ctx_QueryBool(t *testing.T) {
+	t.Parallel()
+	app := New()
+	c := app.AcquireCtx(&fasthttp.RequestCtx{})
+	defer app.ReleaseCtx(c)
+	c.Request().URI().SetQueryString("name=alex&want_pizza=false&id=")
+
+	utils.AssertEqual(t, false, c.QueryBool("want_pizza"))
+	utils.AssertEqual(t, false, c.QueryBool("want_pizza", true))
+	utils.AssertEqual(t, true, c.QueryBool("name"))
+	utils.AssertEqual(t, false, c.QueryBool("name", false))
+	utils.AssertEqual(t, true, c.QueryBool("id"))
+	utils.AssertEqual(t, false, c.QueryBool("id", false))
+}
+
 func Test_Ctx_QueryFloat(t *testing.T) {
 	t.Parallel()
 	app := New()