registry/internal/database/database.go
adam jones c0a94cca8c
Rename api/v1 -> api/v0 to match API paths (#320)
This PR renames the API paths from v1 to v0 to align with the actual API
versioning scheme.
2025-08-28 15:06:00 +01:00

60 lines
2.8 KiB
Go

package database
import (
"context"
"errors"
apiv0 "github.com/modelcontextprotocol/registry/pkg/api/v0"
"github.com/modelcontextprotocol/registry/pkg/model"
)
// Common database errors
var (
ErrNotFound = errors.New("record not found")
ErrAlreadyExists = errors.New("record already exists")
ErrInvalidInput = errors.New("invalid input")
ErrDatabase = errors.New("database error")
ErrInvalidVersion = errors.New("invalid version: cannot publish duplicate version")
ErrMaxServersReached = errors.New("maximum number of versions for this server reached (10000): please reach out at https://github.com/modelcontextprotocol/registry to explain your use case")
)
// Database defines the interface for database operations with extension wrapper architecture
type Database interface {
// List retrieves all ServerRecord entries with optional filtering
List(ctx context.Context, filter map[string]any, cursor string, limit int) ([]*apiv0.ServerRecord, string, error)
// GetByID retrieves a single ServerRecord by its ID
GetByID(ctx context.Context, id string) (*apiv0.ServerRecord, error)
// Publish adds a new server to the database with separated server.json and extensions
// The registryMetadata contains metadata determined by the service layer (e.g., is_latest, timestamps)
Publish(ctx context.Context, serverDetail model.ServerJSON, publisherExtensions map[string]interface{}, registryMetadata apiv0.RegistryExtensions) (*apiv0.ServerRecord, error)
// UpdateLatestFlag updates the is_latest flag for a specific server record
UpdateLatestFlag(ctx context.Context, id string, isLatest bool) error
// UpdateServer updates an existing server record with new server details
UpdateServer(ctx context.Context, id string, serverDetail model.ServerJSON, publisherExtensions map[string]interface{}) (*apiv0.ServerRecord, error)
// ImportSeed imports initial data from a seed file
ImportSeed(ctx context.Context, seedFilePath string) error
// Close closes the database connection
Close() error
}
// ConnectionType represents the type of database connection
type ConnectionType string
const (
// ConnectionTypeMemory represents an in-memory database connection
ConnectionTypeMemory ConnectionType = "memory"
// ConnectionTypePostgreSQL represents a PostgreSQL database connection
ConnectionTypePostgreSQL ConnectionType = "postgresql"
)
// ConnectionInfo provides information about the database connection
type ConnectionInfo struct {
// Type indicates the type of database connection
Type ConnectionType
// IsConnected indicates whether the database is currently connected
IsConnected bool
// Raw provides access to the underlying connection object, which will vary by implementation
// For PostgreSQL, this will be *pgx.Conn
// For MemoryDB, this will be map[string]*model.MCPRegistry
Raw any
}