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validate.go
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validate.go
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package schema
import (
"fmt"
"strings"
"github.com/pkg/errors"
"github.com/samber/lo"
"admini.dev/admini/app/lib/schema/field"
"admini.dev/admini/app/lib/schema/model"
"admini.dev/admini/app/lib/types"
)
const (
LevelInfo = iota
LevelWarn
LevelError
)
type ValidationMessage struct {
Category string `json:"category,omitempty"`
ModelKey string `json:"modelKey,omitempty"`
Message string `json:"message,omitempty"`
Level int `json:"level,omitempty"`
}
type ValidationResult struct {
Schema string `json:"schema,omitempty"`
Messages []ValidationMessage `json:"messages,omitempty"`
Duration int64 `json:"duration,omitempty"`
}
func (v *ValidationResult) log(category string, modelKey string, msg string, level int) {
v.Messages = append(v.Messages, ValidationMessage{Category: category, ModelKey: modelKey, Message: msg, Level: level})
}
func validateSchema(n string, s *Schema) *ValidationResult {
r := &ValidationResult{Schema: n}
lo.ForEach(s.Models, func(m *model.Model, _ int) {
r = validateModel(r, s, m)
})
return r
}
func validateModel(r *ValidationResult, s *Schema, m *model.Model) *ValidationResult {
encountered := map[string]bool{}
lo.ForEach(m.Fields, func(f *field.Field, _ int) {
if encountered[f.Key] {
msg := fmt.Sprintf("%s [%s] field [%s] appears twice", m.Type.String(), m.Key, f.Key)
r.log(m.Type.Key, m.Key, msg, LevelError)
}
encountered[f.Key] = true
})
lo.ForEach(m.Fields, func(v *field.Field, _ int) {
validateType(r, s, "model", m.Key, v.Key, v.Type)
})
return r
}
func validateType(r *ValidationResult, s *Schema, mType string, mKey string, fKey string, f types.Type) {
switch t := f.(type) {
case *types.Wrapped:
validateType(r, s, mType, mKey, fKey, t.T)
case *types.Unknown:
r.log(mType, mKey, fmt.Sprintf("field [%s] has unknown type [%s]", fKey, t.X), LevelWarn)
case *types.Error:
r.log(mType, mKey, fmt.Sprintf("field [%s] has error: %s", fKey, t.Message), LevelWarn)
case *types.Option:
validateType(r, s, mType, mKey, fKey, t.V)
case *types.List:
validateType(r, s, mType, mKey, fKey, t.V)
case *types.Range:
validateType(r, s, mType, mKey, fKey, t.V)
case *types.Map:
validateType(r, s, mType, mKey, fKey, t.K)
validateType(r, s, mType, mKey, fKey, t.V)
case *types.Reference:
if s.Models.Get(t.Pkg, t.K) == nil && s.Scalars.Get(t.Pkg, t.K) == nil {
pkg := strings.Join(t.Pkg, ".")
msg := fmt.Sprintf("field [%s] has reference to unknown type [%s::%s]", fKey, pkg, t.K)
r.log(mType, mKey, msg, LevelWarn)
}
default:
if fKey == "" {
r.log(mType, mKey, "field has an empty key", LevelError)
}
}
}
func (s *Schema) CreateReferences() error {
for _, src := range s.Models {
if src.References != nil {
return errors.New("double call of CreateReferences")
}
for _, tgt := range s.Models {
for _, rel := range tgt.Relationships {
if rel.TargetPkg.Equals(src.Pkg) && rel.TargetModel == src.Key {
err := src.AddReference(model.ReferenceFromRelation(rel, tgt))
if err != nil {
return errors.Wrapf(err, "unable to add reference to [%s]", src.String())
}
}
}
}
}
return nil
}