fix https://github.com/kataras/iris/issues/1020, redis database stores the int as float64, so make that type assertion on GetInt as well

Former-commit-id: d29abdfe3a39fa1e046acbc5d118421a153d9c04

_examples/sessions/database/redis/main.go

@@ -66,6 +66,24 @@ func main() {
 		ctx.Writef("All ok session value of the '%s' is: %s", key, s.GetString(key))
 	})
 
+	app.Get("/set/int/{key}/{value}", func(ctx iris.Context) {
+		key := ctx.Params().Get("key")
+		value, _ := ctx.Params().GetInt("value")
+		s := sess.Start(ctx)
+		// set session values
+		s.Set(key, value)
+		valueSet := s.Get(key)
+		// test if setted here
+		ctx.Writef("All ok session value of the '%s' is: %v", key, valueSet)
+	})
+
+	app.Get("/get/{key}", func(ctx iris.Context) {
+		key := ctx.Params().Get("key")
+		value := sess.Start(ctx).Get(key)
+
+		ctx.Writef("The '%s' on the /set was: %v", key, value)
+	})
+
 	app.Get("/get", func(ctx iris.Context) {
 		// get a specific key, as string, if no found returns just an empty string
 		name := sess.Start(ctx).GetString("name")

sessions/session.go

@@ -176,6 +176,14 @@ func (s *Session) GetInt(key string) (int, error) {
 		return vint, nil
 	}
 
+	if vfloat64, ok := v.(float64); ok {
+		return int(vfloat64), nil
+	}
+
+	if vint64, ok := v.(int64); ok {
+		return int(vint64), nil
+	}
+
 	if vstring, sok := v.(string); sok {
 		return strconv.Atoi(vstring)
 	}
@@ -221,6 +229,10 @@ func (s *Session) GetInt64(key string) (int64, error) {
 		return vint64, nil
 	}
 
+	if vfloat64, ok := v.(float64); ok {
+		return int64(vfloat64), nil
+	}
+
 	if vint, ok := v.(int); ok {
 		return int64(vint), nil
 	}
@@ -259,6 +271,10 @@ func (s *Session) GetFloat32(key string) (float32, error) {
 		return float32(vint), nil
 	}
 
+	if vint64, ok := v.(int64); ok {
+		return float32(vint64), nil
+	}
+
 	if vstring, sok := v.(string); sok {
 		vfloat64, err := strconv.ParseFloat(vstring, 32)
 		if err != nil {
@@ -297,6 +313,10 @@ func (s *Session) GetFloat64(key string) (float64, error) {
 		return float64(vint), nil
 	}
 
+	if vint64, ok := v.(int64); ok {
+		return float64(vint64), nil
+	}
+
 	if vstring, sok := v.(string); sok {
 		return strconv.ParseFloat(vstring, 32)
 	}