Jeffrey Smith
11fd8c1e57
- go.mod module name
- All 714 import references across 289 Go files
- VERSION: 0.1.0
- CI DB names: switchboard_core_{ci,dev,test}
- Docker image: gobha/switchboard-core
- Test fixtures: JWT issuer, repo names
- .env.example, docker-compose container name
- Compiles clean (go build exit 0)
452 lines
13 KiB
Go
452 lines
13 KiB
Go
package sqlite
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import (
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"context"
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"database/sql"
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"encoding/json"
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"fmt"
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"math"
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"sort"
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"strings"
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"time"
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"switchboard-core/models"
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"switchboard-core/store"
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)
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type WorkspaceStore struct{}
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func NewWorkspaceStore() *WorkspaceStore { return &WorkspaceStore{} }
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// ── columns ────────────────────────────────
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const workspaceCols = `id, owner_type, owner_id, name, root_path, max_bytes, status, indexing_enabled, git_remote_url, git_branch, git_credential_id, git_last_sync, created_at, updated_at`
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const workspaceFileCols = `id, workspace_id, path, is_directory, content_type, size_bytes, sha256, index_status, chunk_count, created_at, updated_at`
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// ── scanners ───────────────────────────────
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func scanWorkspace(row interface{ Scan(dest ...interface{}) error }) (*models.Workspace, error) {
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var w models.Workspace
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var maxBytes sql.NullInt64
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var gitRemote, gitBranch, gitCredID sql.NullString
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err := row.Scan(
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&w.ID, &w.OwnerType, &w.OwnerID, &w.Name,
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&w.RootPath, &maxBytes, &w.Status, &w.IndexingEnabled,
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&gitRemote, &gitBranch, &gitCredID, stN(&w.GitLastSync),
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st(&w.CreatedAt), st(&w.UpdatedAt),
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)
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if err != nil {
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return nil, err
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}
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if maxBytes.Valid {
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w.MaxBytes = &maxBytes.Int64
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}
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if gitRemote.Valid {
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w.GitRemoteURL = &gitRemote.String
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}
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if gitBranch.Valid {
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w.GitBranch = &gitBranch.String
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}
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if gitCredID.Valid {
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w.GitCredentialID = &gitCredID.String
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}
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return &w, nil
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}
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func scanWorkspaceFile(row interface{ Scan(dest ...interface{}) error }) (*models.WorkspaceFile, error) {
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var f models.WorkspaceFile
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var contentType sql.NullString
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var sha256 sql.NullString
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var indexStatus sql.NullString
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err := row.Scan(
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&f.ID, &f.WorkspaceID, &f.Path, &f.IsDirectory,
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&contentType, &f.SizeBytes, &sha256,
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&indexStatus, &f.ChunkCount,
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st(&f.CreatedAt), st(&f.UpdatedAt),
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)
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if err != nil {
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return nil, err
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}
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if contentType.Valid {
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f.ContentType = contentType.String
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}
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if sha256.Valid {
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f.SHA256 = sha256.String
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}
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if indexStatus.Valid {
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f.IndexStatus = indexStatus.String
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}
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return &f, nil
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}
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// ── Workspace CRUD ─────────────────────────
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func (s *WorkspaceStore) Create(ctx context.Context, w *models.Workspace) error {
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if w.ID == "" {
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w.ID = store.NewID()
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}
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now := time.Now().UTC()
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w.CreatedAt = now
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w.UpdatedAt = now
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_, err := DB.ExecContext(ctx, `
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INSERT INTO workspaces (id, owner_type, owner_id, name, root_path, max_bytes, status, created_at, updated_at)
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VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?)`,
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w.ID, w.OwnerType, w.OwnerID, w.Name, w.RootPath,
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w.MaxBytes, w.Status,
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now.Format(timeFmt), now.Format(timeFmt),
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)
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return err
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}
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func (s *WorkspaceStore) GetByID(ctx context.Context, id string) (*models.Workspace, error) {
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row := DB.QueryRowContext(ctx,
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`SELECT `+workspaceCols+` FROM workspaces WHERE id = ?`, id)
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return scanWorkspace(row)
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}
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func (s *WorkspaceStore) Update(ctx context.Context, id string, patch models.WorkspacePatch) error {
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b := NewUpdate("workspaces")
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if patch.Name != nil {
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b.Set("name", *patch.Name)
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}
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if patch.MaxBytes != nil {
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b.Set("max_bytes", *patch.MaxBytes)
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}
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if patch.Status != nil {
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b.Set("status", *patch.Status)
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}
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if patch.IndexingEnabled != nil {
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b.Set("indexing_enabled", *patch.IndexingEnabled)
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}
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if patch.GitRemoteURL != nil {
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b.Set("git_remote_url", *patch.GitRemoteURL)
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}
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if patch.GitBranch != nil {
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b.Set("git_branch", *patch.GitBranch)
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}
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if patch.GitCredentialID != nil {
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b.Set("git_credential_id", *patch.GitCredentialID)
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}
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if !b.HasSets() {
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return nil
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}
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b.SetExpr("updated_at", nowExpr)
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b.Where("id", id)
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_, err := b.Exec(DB)
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return err
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}
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func (s *WorkspaceStore) Delete(ctx context.Context, id string) error {
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_, err := DB.ExecContext(ctx, `DELETE FROM workspaces WHERE id = ?`, id)
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return err
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}
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// ── Ownership lookup ───────────────────────
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func (s *WorkspaceStore) GetByOwner(ctx context.Context, ownerType, ownerID string) (*models.Workspace, error) {
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row := DB.QueryRowContext(ctx,
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`SELECT `+workspaceCols+` FROM workspaces
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WHERE owner_type = ? AND owner_id = ? AND status != 'deleting'
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ORDER BY created_at DESC LIMIT 1`,
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ownerType, ownerID)
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return scanWorkspace(row)
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}
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func (s *WorkspaceStore) ListByOwner(ctx context.Context, ownerType, ownerID string) ([]models.Workspace, error) {
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rows, err := DB.QueryContext(ctx,
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`SELECT `+workspaceCols+` FROM workspaces
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WHERE owner_type = ? AND owner_id = ? AND status != 'deleting'
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ORDER BY created_at DESC`,
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ownerType, ownerID)
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if err != nil {
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return nil, err
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}
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defer rows.Close()
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var out []models.Workspace
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for rows.Next() {
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w, err := scanWorkspace(rows)
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if err != nil {
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return nil, err
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}
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out = append(out, *w)
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}
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return out, rows.Err()
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}
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// ── File index ─────────────────────────────
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func (s *WorkspaceStore) UpsertFile(ctx context.Context, f *models.WorkspaceFile) error {
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if f.ID == "" {
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f.ID = store.NewID()
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}
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now := time.Now().UTC()
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f.CreatedAt = now
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f.UpdatedAt = now
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_, err := DB.ExecContext(ctx, `
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INSERT INTO workspace_files (id, workspace_id, path, is_directory, content_type, size_bytes, sha256, created_at, updated_at)
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VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?)
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ON CONFLICT (workspace_id, path) DO UPDATE SET
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is_directory = excluded.is_directory,
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content_type = excluded.content_type,
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size_bytes = excluded.size_bytes,
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sha256 = excluded.sha256,
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updated_at = datetime('now')`,
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f.ID, f.WorkspaceID, f.Path, f.IsDirectory,
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models.NullString(&f.ContentType), f.SizeBytes,
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models.NullString(&f.SHA256),
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now.Format(timeFmt), now.Format(timeFmt),
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)
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return err
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}
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func (s *WorkspaceStore) DeleteFile(ctx context.Context, workspaceID, path string) error {
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_, err := DB.ExecContext(ctx,
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`DELETE FROM workspace_files WHERE workspace_id = ? AND path = ?`,
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workspaceID, path)
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return err
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}
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func (s *WorkspaceStore) DeleteFilesByPrefix(ctx context.Context, workspaceID, prefix string) error {
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_, err := DB.ExecContext(ctx,
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`DELETE FROM workspace_files WHERE workspace_id = ? AND path LIKE ?`,
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workspaceID, prefix+"%")
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return err
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}
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func (s *WorkspaceStore) GetFile(ctx context.Context, workspaceID, path string) (*models.WorkspaceFile, error) {
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row := DB.QueryRowContext(ctx,
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`SELECT `+workspaceFileCols+` FROM workspace_files
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WHERE workspace_id = ? AND path = ?`,
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workspaceID, path)
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return scanWorkspaceFile(row)
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}
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func (s *WorkspaceStore) ListFiles(ctx context.Context, workspaceID, prefix string, recursive bool) ([]models.WorkspaceFile, error) {
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var query string
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var args []interface{}
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if recursive {
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if prefix == "" {
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query = `SELECT ` + workspaceFileCols + ` FROM workspace_files
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WHERE workspace_id = ? ORDER BY path`
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args = []interface{}{workspaceID}
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} else {
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query = `SELECT ` + workspaceFileCols + ` FROM workspace_files
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WHERE workspace_id = ? AND path LIKE ? ORDER BY path`
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args = []interface{}{workspaceID, prefix + "%"}
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}
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} else {
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if prefix == "" {
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query = `SELECT ` + workspaceFileCols + ` FROM workspace_files
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WHERE workspace_id = ? AND path NOT LIKE '%/%' ORDER BY path`
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args = []interface{}{workspaceID}
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} else {
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// Direct children: starts with prefix, no slash after prefix
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query = fmt.Sprintf(`SELECT `+workspaceFileCols+` FROM workspace_files
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WHERE workspace_id = ? AND path LIKE ?
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AND substr(path, %d) NOT LIKE '%%/%%'
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ORDER BY path`, len(prefix)+1)
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args = []interface{}{workspaceID, prefix + "%"}
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}
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}
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rows, err := DB.QueryContext(ctx, query, args...)
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if err != nil {
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return nil, err
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}
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defer rows.Close()
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var out []models.WorkspaceFile
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for rows.Next() {
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f, err := scanWorkspaceFile(rows)
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if err != nil {
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return nil, err
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}
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out = append(out, *f)
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}
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return out, rows.Err()
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}
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func (s *WorkspaceStore) DeleteAllFiles(ctx context.Context, workspaceID string) error {
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_, err := DB.ExecContext(ctx,
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`DELETE FROM workspace_files WHERE workspace_id = ?`, workspaceID)
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return err
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}
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// ── Stats ──────────────────────────────────
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func (s *WorkspaceStore) GetStats(ctx context.Context, workspaceID string) (*models.WorkspaceStats, error) {
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stats := &models.WorkspaceStats{WorkspaceID: workspaceID}
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err := DB.QueryRowContext(ctx, `
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SELECT
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COALESCE(SUM(CASE WHEN NOT is_directory THEN 1 ELSE 0 END), 0),
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COALESCE(SUM(CASE WHEN is_directory THEN 1 ELSE 0 END), 0),
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COALESCE(SUM(size_bytes), 0)
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FROM workspace_files WHERE workspace_id = ?`,
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workspaceID,
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).Scan(&stats.FileCount, &stats.DirCount, &stats.TotalBytes)
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if err != nil {
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return nil, err
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}
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var maxBytes sql.NullInt64
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err = DB.QueryRowContext(ctx,
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`SELECT max_bytes FROM workspaces WHERE id = ?`, workspaceID,
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).Scan(&maxBytes)
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if err != nil && err != sql.ErrNoRows {
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return nil, err
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}
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if maxBytes.Valid {
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stats.MaxBytes = &maxBytes.Int64
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}
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return stats, nil
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}
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// ── Chunks (v0.21.2) ─────────────────────────
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func (s *WorkspaceStore) InsertChunks(ctx context.Context, chunks []models.WorkspaceChunk) error {
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if len(chunks) == 0 {
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return nil
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}
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valueParts := make([]string, 0, len(chunks))
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args := make([]interface{}, 0, len(chunks)*8)
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for _, c := range chunks {
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c.ID = store.NewID()
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valueParts = append(valueParts, "(?, ?, ?, ?, ?, ?, ?, ?)")
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var embJSON interface{}
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if len(c.Embedding) > 0 {
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embJSON = ToJSON(c.Embedding)
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}
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args = append(args, c.ID, c.WorkspaceID, c.FileID, c.ChunkIndex,
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c.Content, c.TokenCount, embJSON, ToJSON(c.Metadata))
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}
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q := fmt.Sprintf(`INSERT INTO workspace_chunks
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(id, workspace_id, file_id, chunk_index, content, token_count, embedding, metadata)
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VALUES %s`, strings.Join(valueParts, ", "))
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_, err := DB.ExecContext(ctx, q, args...)
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return err
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}
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func (s *WorkspaceStore) DeleteChunksByFile(ctx context.Context, fileID string) error {
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_, err := DB.ExecContext(ctx, `DELETE FROM workspace_chunks WHERE file_id = ?`, fileID)
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return err
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}
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// SimilaritySearch performs app-level cosine similarity for SQLite.
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// Loads all chunks for the workspace, computes cosine distance in Go,
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// and returns the top results above threshold.
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func (s *WorkspaceStore) SimilaritySearch(ctx context.Context, workspaceID string, queryVec []float64, threshold float64, limit int) ([]models.WorkspaceChunkResult, error) {
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if len(queryVec) == 0 {
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return nil, nil
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}
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if limit <= 0 {
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limit = 10
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}
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rows, err := DB.QueryContext(ctx, `
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SELECT f.path, c.content, c.embedding, c.metadata
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FROM workspace_chunks c
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JOIN workspace_files f ON c.file_id = f.id
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WHERE c.workspace_id = ?
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AND c.embedding IS NOT NULL`,
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workspaceID)
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if err != nil {
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return nil, err
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}
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defer rows.Close()
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type candidate struct {
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result models.WorkspaceChunkResult
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similarity float64
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}
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var candidates []candidate
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for rows.Next() {
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var filePath, content, embJSON string
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var metaJSON sql.NullString
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if err := rows.Scan(&filePath, &content, &embJSON, &metaJSON); err != nil {
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return nil, err
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}
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var embedding []float64
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if err := json.Unmarshal([]byte(embJSON), &embedding); err != nil {
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continue // skip malformed
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}
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sim := wsCosineSimilarity(queryVec, embedding)
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if sim > threshold {
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r := models.WorkspaceChunkResult{
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FilePath: filePath,
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Content: content,
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Score: sim,
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}
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if metaJSON.Valid {
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ScanJSON(metaJSON.String, &r.Metadata)
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}
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if r.Metadata != nil {
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if lh, ok := r.Metadata["line_start"]; ok {
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if n, ok := lh.(float64); ok {
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r.LineHint = int(n)
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}
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}
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}
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candidates = append(candidates, candidate{result: r, similarity: sim})
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}
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}
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if err := rows.Err(); err != nil {
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return nil, err
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}
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sort.Slice(candidates, func(i, j int) bool {
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return candidates[i].similarity > candidates[j].similarity
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})
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if len(candidates) > limit {
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candidates = candidates[:limit]
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}
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results := make([]models.WorkspaceChunkResult, len(candidates))
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for i, c := range candidates {
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results[i] = c.result
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}
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return results, nil
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}
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func (s *WorkspaceStore) UpdateFileIndexStatus(ctx context.Context, fileID, status string, chunkCount int) error {
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_, err := DB.ExecContext(ctx,
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`UPDATE workspace_files SET index_status = ?, chunk_count = ?, updated_at = datetime('now') WHERE id = ?`,
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status, chunkCount, fileID)
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return err
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}
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func (s *WorkspaceStore) SetGitLastSync(ctx context.Context, workspaceID string, t time.Time) error {
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_, err := DB.ExecContext(ctx,
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`UPDATE workspaces SET git_last_sync = ?, updated_at = datetime('now') WHERE id = ?`,
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t.Format(timeFmt), workspaceID)
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return err
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}
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// wsCosineSimilarity computes cosine similarity between two vectors.
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// Named to avoid collision with the KB package-level function.
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func wsCosineSimilarity(a, b []float64) float64 {
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if len(a) != len(b) || len(a) == 0 {
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return 0
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}
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var dot, normA, normB float64
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for i := range a {
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dot += a[i] * b[i]
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normA += a[i] * a[i]
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normB += b[i] * b[i]
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}
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if normA == 0 || normB == 0 {
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return 0
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}
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return dot / (math.Sqrt(normA) * math.Sqrt(normB))
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} |