Files
audita/internal/framework/responseschema/registry.go

122 lines
3.6 KiB
Go

package responseschema
import (
"crypto/sha256"
"encoding/hex"
"encoding/json"
"fmt"
"sort"
"strings"
)
// Key identifies one structured response schema used by Audita.
type Key string
const (
CorrectionSetKey Key = "correction_set"
ValidatorDecisionSetKey Key = "validator_decision_set"
correctionSetSchemaID = "audita.correction_set"
validatorDecisionSchemaID = "audita.validator_decision_set"
schemaVersionV1 = "v1"
)
// Schema describes one registered structured response schema.
type Schema struct {
ID string `json:"id"`
Version string `json:"version"`
Name string `json:"name"`
JSONSchema json.RawMessage `json:"json_schema"`
SHA256 string `json:"sha256"`
}
func (s Schema) DiagnosticsMap() map[string]any {
return map[string]any{
"id": s.ID,
"version": s.Version,
"name": s.Name,
"sha256": s.SHA256,
}
}
var registry = map[Key]Schema{
CorrectionSetKey: mustBuildSchema(
correctionSetSchemaID,
schemaVersionV1,
"audita_correction_set_v1",
[]byte(`{"type":"object","additionalProperties":false,"required":["corrections"],"properties":{"corrections":{"type":"array","items":{"type":"object","additionalProperties":false,"required":["id","original_text","corrected_text","confidence"],"properties":{"id":{"type":"integer","minimum":1},"original_text":{"type":"string","minLength":1},"corrected_text":{"type":"string","minLength":1},"confidence":{"type":"number","minimum":0,"maximum":1}}}}}}`),
),
ValidatorDecisionSetKey: mustBuildSchema(
validatorDecisionSchemaID,
schemaVersionV1,
"audita_validator_decision_set_v1",
[]byte(`{"type":"object","additionalProperties":false,"required":["validations"],"properties":{"validations":{"type":"array","items":{"type":"object","additionalProperties":false,"required":["correction_index","approved","confidence","reason"],"properties":{"correction_index":{"type":"integer","minimum":0},"approved":{"type":"boolean"},"confidence":{"type":"number","minimum":0,"maximum":1},"reason":{"type":"string"}}}}}}`),
),
}
func Registered() []Schema {
keys := make([]string, 0, len(registry))
for key := range registry {
keys = append(keys, string(key))
}
sort.Strings(keys)
out := make([]Schema, 0, len(keys))
for _, key := range keys {
out = append(out, cloneSchema(registry[Key(key)]))
}
return out
}
// Lookup returns a copy of the registered schema for the provided key.
func Lookup(key Key) (Schema, bool) {
schema, ok := registry[key]
if !ok {
return Schema{}, false
}
return cloneSchema(schema), true
}
// MustLookup returns a copy of the registered schema and panics when missing.
func MustLookup(key Key) Schema {
schema, ok := Lookup(key)
if !ok {
panic(fmt.Sprintf("unknown structured response schema key %q", key))
}
return schema
}
func cloneSchema(in Schema) Schema {
out := in
if in.JSONSchema != nil {
out.JSONSchema = append(json.RawMessage(nil), in.JSONSchema...)
}
return out
}
func mustBuildSchema(id string, version string, name string, rawSchema []byte) Schema {
id = strings.TrimSpace(id)
version = strings.TrimSpace(version)
name = strings.TrimSpace(name)
if id == "" {
panic("schema id must not be empty")
}
if version == "" {
panic("schema version must not be empty")
}
if name == "" {
panic("schema name must not be empty")
}
if !json.Valid(rawSchema) {
panic(fmt.Sprintf("schema %s:%s is not valid JSON", id, version))
}
hash := sha256.Sum256(rawSchema)
return Schema{
ID: id,
Version: version,
Name: name,
JSONSchema: append(json.RawMessage(nil), rawSchema...),
SHA256: hex.EncodeToString(hash[:]),
}
}