chore: initial import from sless/shared-sqs (v0.1.14)

- Standalone SQS-service repository
- Multi-tenant message queue service, AWS SQS compatible
- Based on GoAws, with mutable tenants, auth, WebUI, Redis persistence
- Ready for independent development and deployment
- See doc/ and README.md for architecture and usage

app/models/conversions.go

@@ -0,0 +1,36 @@
+package models
+
+import (
+	"encoding/json"
+	"strconv"
+)
+
+// StringToInt this is a custom type that will allow our request bodies to support either a string OR an int.
+// It has its own UnmarshalJSON method to handle both types automatically and it can return an `int`
+// from the `Int` method.
+type StringToInt int
+
+func (s *StringToInt) UnmarshalJSON(data []byte) error {
+	var i int
+	err := json.Unmarshal(data, &i)
+	if err == nil {
+		*s = StringToInt(i)
+		return nil
+	}
+
+	var str string
+	err = json.Unmarshal(data, &str)
+	if err != nil {
+		return err
+	}
+	tmp, err := strconv.Atoi(str)
+	if err != nil {
+		return err
+	}
+	*s = StringToInt(tmp)
+	return nil
+}
+
+func (s *StringToInt) Int() int {
+	return int(*s)
+}