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