aicra/internal/config/private.go

113 lines
2.8 KiB
Go

package config
import (
"fmt"
"strings"
)
// format checks for format errors and missing required fields
// it also sets default values to optional fields
func (c *Controller) format(controllerName string) error {
/* (1) Check each method
---------------------------------------------------------*/
methods := []struct {
Name string
Ptr *Method
}{
{"GET", c.GET},
{"POST", c.POST},
{"PUT", c.PUT},
{"DELETE", c.DELETE},
}
for _, method := range methods {
/* (1) ignore non-defined method */
if method.Ptr == nil {
continue
}
/* (2) Fail on missing description */
if len(method.Ptr.Description) < 1 {
return fmt.Errorf("Missing %s.%s description", controllerName, method.Name)
}
/* (3) stop if no parameter */
if method.Ptr.Parameters == nil || len(*method.Ptr.Parameters) < 1 {
continue
}
/* check parameters */
for pName, pData := range *method.Ptr.Parameters {
/* (4) Fail on invalid rename (set but empty) */
if pData.Rename != nil && len(*pData.Rename) < 1 {
return fmt.Errorf("Empty rename for %s.%s parameter '%s'", controllerName, method.Name, pName)
}
/* (5) Check for name/rename conflict */
for paramName, param := range *method.Ptr.Parameters {
// ignore self
if pName == paramName {
continue
}
// 1. Same rename field
if pData.Rename != nil && param.Rename != nil && *pData.Rename == *param.Rename {
return fmt.Errorf("Rename conflict for %s.%s parameter '%s'", controllerName, method.Name, *pData.Rename)
}
// 2. Not-renamed field matches a renamed field
if pData.Rename == nil && param.Rename != nil && pName == *param.Rename {
return fmt.Errorf("Name conflict for %s.%s parameter '%s'", controllerName, method.Name, pName)
}
// 3. Renamed field matches name
if pData.Rename != nil && param.Rename == nil && *pData.Rename == paramName {
return fmt.Errorf("Name conflict for %s.%s parameter '%s'", controllerName, method.Name, pName)
}
}
/* (6) Fail on missing description */
if len(pData.Description) < 1 {
return fmt.Errorf("Missing description for %s.%s parameter '%s'", controllerName, method.Name, pName)
}
/* (7) Fail on missing type */
if len(pData.Type) < 1 {
return fmt.Errorf("Missing type for %s.%s parameter '%s'", controllerName, method.Name, pName)
}
}
}
/* (2) Check child controllers
---------------------------------------------------------*/
/* (1) Stop if no child */
if c.Children == nil || len(c.Children) < 1 {
return nil
}
/* (2) For each controller */
for ctlName, ctl := range c.Children {
/* (3) Invalid name */
if strings.Contains(ctlName, "/") {
return fmt.Errorf("Controller '%s' must not contain any slash '/'", ctlName)
}
/* (4) Check recursively */
err := ctl.format(ctlName)
if err != nil {
return err
}
}
return nil
}