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add prefix to scalars and objects also
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,190 @@ | ||
| package internal | ||
|
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||
| import ( | ||
| "errors" | ||
| "fmt" | ||
|
|
||
| rest "github.com/hasura/ndc-http/ndc-http-schema/schema" | ||
| "github.com/hasura/ndc-http/ndc-http-schema/utils" | ||
| "github.com/hasura/ndc-sdk-go/schema" | ||
| ) | ||
|
|
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| // NDCBuilder the NDC schema builder to validate REST connector schema. | ||
| type NDCBuilder struct { | ||
| *ConvertOptions | ||
|
|
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| schema *rest.NDCHttpSchema | ||
| newSchema *rest.NDCHttpSchema | ||
| usedTypes map[string]string | ||
| } | ||
|
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| // NewNDCBuilder creates a new NDCBuilder instance. | ||
| func NewNDCBuilder(httpSchema *rest.NDCHttpSchema, options ConvertOptions) *NDCBuilder { | ||
| newSchema := rest.NewNDCHttpSchema() | ||
| newSchema.Settings = httpSchema.Settings | ||
|
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| return &NDCBuilder{ | ||
| ConvertOptions: &options, | ||
| usedTypes: make(map[string]string), | ||
| schema: httpSchema, | ||
| newSchema: newSchema, | ||
| } | ||
| } | ||
|
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| // Build validates and build the REST connector schema. | ||
| func (ndc *NDCBuilder) Build() (*rest.NDCHttpSchema, error) { | ||
| if err := ndc.validate(); err != nil { | ||
| return nil, err | ||
| } | ||
|
|
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| return ndc.newSchema, nil | ||
| } | ||
|
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| // Validate checks if the schema is valid | ||
| func (nsc *NDCBuilder) validate() error { | ||
| for key, operation := range nsc.schema.Functions { | ||
| op, err := nsc.validateOperation(key, operation) | ||
| if err != nil { | ||
| return err | ||
| } | ||
|
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| newName := nsc.formatOperationName(key) | ||
| nsc.newSchema.Functions[newName] = *op | ||
| } | ||
|
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| for key, operation := range nsc.schema.Procedures { | ||
| op, err := nsc.validateOperation(key, operation) | ||
| if err != nil { | ||
| return err | ||
| } | ||
|
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| newName := nsc.formatOperationName(key) | ||
| nsc.newSchema.Procedures[newName] = *op | ||
| } | ||
|
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| return nil | ||
| } | ||
|
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| // recursively validate and clean unused objects as well as their inner properties | ||
| func (nsc *NDCBuilder) validateOperation(operationName string, operation rest.OperationInfo) (*rest.OperationInfo, error) { | ||
| result := &rest.OperationInfo{ | ||
| Request: operation.Request, | ||
| Description: operation.Description, | ||
| Arguments: make(map[string]rest.ArgumentInfo), | ||
| } | ||
| for key, field := range operation.Arguments { | ||
| fieldType, err := nsc.validateType(field.Type) | ||
| if err != nil { | ||
| return nil, fmt.Errorf("%s: arguments.%s: %w", operationName, key, err) | ||
| } | ||
| result.Arguments[key] = rest.ArgumentInfo{ | ||
| HTTP: field.HTTP, | ||
| ArgumentInfo: schema.ArgumentInfo{ | ||
| Description: field.ArgumentInfo.Description, | ||
| Type: fieldType.Encode(), | ||
| }, | ||
| } | ||
| } | ||
|
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||
| resultType, err := nsc.validateType(operation.ResultType) | ||
| if err != nil { | ||
| return nil, fmt.Errorf("%s: result_type: %w", operationName, err) | ||
| } | ||
| result.ResultType = resultType.Encode() | ||
|
|
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| return result, nil | ||
| } | ||
|
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| // recursively validate used types as well as their inner properties | ||
| func (nsc *NDCBuilder) validateType(schemaType schema.Type) (schema.TypeEncoder, error) { | ||
| rawType, err := schemaType.InterfaceT() | ||
|
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| switch t := rawType.(type) { | ||
| case *schema.NullableType: | ||
| underlyingType, err := nsc.validateType(t.UnderlyingType) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
|
|
||
| return schema.NewNullableType(underlyingType), nil | ||
| case *schema.ArrayType: | ||
| elementType, err := nsc.validateType(t.ElementType) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
|
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| return schema.NewArrayType(elementType), nil | ||
| case *schema.NamedType: | ||
| if t.Name == "" { | ||
| return nil, errors.New("named type is empty") | ||
| } | ||
|
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| if newName, ok := nsc.usedTypes[t.Name]; ok { | ||
| return schema.NewNamedType(newName), nil | ||
| } | ||
|
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| if st, ok := nsc.schema.ScalarTypes[t.Name]; ok { | ||
| newName := t.Name | ||
| if !rest.IsDefaultScalar(t.Name) { | ||
| newName = nsc.formatTypeName(t.Name) | ||
| } | ||
| newNameType := schema.NewNamedType(newName) | ||
| nsc.usedTypes[t.Name] = newName | ||
| if _, ok := nsc.newSchema.ScalarTypes[newName]; !ok { | ||
| nsc.newSchema.ScalarTypes[newName] = st | ||
| } | ||
|
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||
| return newNameType, nil | ||
| } | ||
|
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| objectType, ok := nsc.schema.ObjectTypes[t.Name] | ||
| if !ok { | ||
| return nil, errors.New(t.Name + ": named type does not exist") | ||
| } | ||
|
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| newName := nsc.formatTypeName(t.Name) | ||
| newNameType := schema.NewNamedType(newName) | ||
| nsc.usedTypes[t.Name] = newName | ||
|
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| newObjectType := rest.ObjectType{ | ||
| Description: objectType.Description, | ||
| Fields: make(map[string]rest.ObjectField), | ||
| } | ||
|
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| for key, field := range objectType.Fields { | ||
| fieldType, err := nsc.validateType(field.Type) | ||
| if err != nil { | ||
| return nil, fmt.Errorf("%s.%s: %w", t.Name, key, err) | ||
| } | ||
| newObjectType.Fields[key] = rest.ObjectField{ | ||
| ObjectField: schema.ObjectField{ | ||
| Type: fieldType.Encode(), | ||
| Description: field.Description, | ||
| Arguments: field.Arguments, | ||
| }, | ||
| HTTP: field.HTTP, | ||
| } | ||
| } | ||
| nsc.newSchema.ObjectTypes[newName] = newObjectType | ||
|
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| return newNameType, nil | ||
| default: | ||
| return nil, err | ||
| } | ||
| } | ||
|
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| func (nsc *NDCBuilder) formatTypeName(name string) string { | ||
| if nsc.Prefix == "" { | ||
| return name | ||
| } | ||
|
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| return utils.StringSliceToPascalCase([]string{nsc.Prefix, name}) | ||
| } | ||
|
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| func (nsc *NDCBuilder) formatOperationName(name string) string { | ||
| if nsc.Prefix == "" { | ||
| return name | ||
| } | ||
|
|
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| return utils.StringSliceToCamelCase([]string{nsc.Prefix, name}) | ||
| } |
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