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package schema
import (
"context"
core "github.com/authzed/spicedb/pkg/proto/core/v1"
"github.com/authzed/spicedb/pkg/schemadsl/compiler"
)
// FullSchemaResolver is a superset of a resolver that knows how to retrieve all definitions
// from its source by name (by having a complete list of names).
type FullSchemaResolver interface {
Resolver
AllDefinitionNames() []string
}
// CompiledSchemaResolver is a resolver for a fully compiled schema. It implements FullSchemaResolver,
// as it has the full context of the schema.
type CompiledSchemaResolver struct {
schema compiler.CompiledSchema
}
// ResolverForCompiledSchema builds a resolver from a compiled schema.
func ResolverForCompiledSchema(schema compiler.CompiledSchema) *CompiledSchemaResolver {
return &CompiledSchemaResolver{
schema: schema,
}
}
var _ FullSchemaResolver = &CompiledSchemaResolver{}
// LookupDefinition lookups up a namespace, also returning whether it was pre-validated.
func (c CompiledSchemaResolver) LookupDefinition(ctx context.Context, name string) (*core.NamespaceDefinition, bool, error) {
for _, o := range c.schema.ObjectDefinitions {
if o.GetName() == name {
return o, false, nil
}
}
return nil, false, asTypeError(NewDefinitionNotFoundErr(name))
}
// LookupCaveat lookups up a caveat.
func (c CompiledSchemaResolver) LookupCaveat(ctx context.Context, name string) (*Caveat, error) {
for _, v := range c.schema.CaveatDefinitions {
if v.GetName() == name {
return v, nil
}
}
return nil, asTypeError(NewCaveatNotFoundErr(name))
}
// AllDefinitionNames returns a list of all the names of defined namespaces for this resolved schema.
// Every definition is a valid parameter for LookupDefinition
func (c CompiledSchemaResolver) AllDefinitionNames() []string {
out := make([]string, len(c.schema.ObjectDefinitions))
for i, o := range c.schema.ObjectDefinitions {
out[i] = o.GetName()
}
return out
}
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