// RecursiveChecker produces Go code that runs the validation checks recursively over the given
// attribute.
func RecursiveChecker(att *design.AttributeDefinition, nonzero, required bool, target, context string, depth int) string {
var checks []string
validation := ValidationChecker(att, nonzero, required, target, context, depth)
if validation != "" {
checks = append(checks, validation)
}
if o := att.Type.ToObject(); o != nil {
if mt, ok := att.Type.(*design.MediaTypeDefinition); ok {
att = mt.AttributeDefinition
} else if ut, ok := att.Type.(*design.UserTypeDefinition); ok {
att = ut.AttributeDefinition
}
o.IterateAttributes(func(n string, catt *design.AttributeDefinition) error {
validation := RecursiveChecker(
catt,
att.IsNonZero(n),
att.IsRequired(n),
fmt.Sprintf("%s.%s", target, Goify(n, true)),
fmt.Sprintf("%s.%s", context, n),
depth+1,
)
if validation != "" {
checks = append(checks, validation)
}
return nil
})
} else if a := att.Type.ToArray(); a != nil {
data := map[string]interface{}{
"elemType": a.ElemType,
"context": context,
"target": target,
"depth": 1,
}
validation := RunTemplate(arrayValT, data)
if validation != "" {
checks = append(checks, validation)
}
}
return strings.Join(checks, "\n")
}
