feat: add per-user tenant scoping

internal/store/projects.go

@@ -14,10 +14,10 @@ import (
 
 func (db *DB) CreateProject(ctx context.Context, name, description string) (thoughttypes.Project, error) {
 	row := db.pool.QueryRow(ctx, `
-		insert into projects (name, description)
-		values ($1, $2)
+		insert into projects (name, description, tenant_key)
+		values ($1, $2, $3)
 		returning id, guid, name, description, created_at, last_active_at
-	`, name, description)
+	`, name, description, tenantKeyPtr(ctx))
 
 	var model generatedmodels.ModelPublicProjects
 	if err := row.Scan(&model.ID, &model.GUID, &model.Name, &model.Description, &model.CreatedAt, &model.LastActiveAt); err != nil {
@@ -45,20 +45,20 @@ func (db *DB) GetProject(ctx context.Context, nameOrID string) (thoughttypes.Pro
 }
 
 func (db *DB) getProjectByGUID(ctx context.Context, id uuid.UUID) (thoughttypes.Project, error) {
+	args := []any{id}
 	row := db.pool.QueryRow(ctx, `
 		select id, guid, name, description, created_at, last_active_at
 		from projects
-		where guid = $1
-	`, id)
+		where guid = $1`+tenantSQL(ctx, &args, "tenant_key"), args...)
 	return scanProject(row)
 }
 
 func (db *DB) getProjectByName(ctx context.Context, name string) (thoughttypes.Project, error) {
+	args := []any{name}
 	row := db.pool.QueryRow(ctx, `
 		select id, guid, name, description, created_at, last_active_at
 		from projects
-		where name = $1
-	`, name)
+		where name = $1`+tenantSQL(ctx, &args, "tenant_key"), args...)
 	return scanProject(row)
 }
 
@@ -74,13 +74,20 @@ func scanProject(row pgx.Row) (thoughttypes.Project, error) {
 }
 
 func (db *DB) ListProjects(ctx context.Context) ([]thoughttypes.ProjectSummary, error) {
+	args := []any{}
+	where := ""
+	if key, ok := tenantKey(ctx); ok {
+		args = append(args, key)
+		where = "where p.tenant_key = $1"
+	}
 	rows, err := db.pool.Query(ctx, `
 		select p.id, p.guid, p.name, p.description, p.created_at, p.last_active_at, count(t.id) as thought_count
 		from projects p
 		left join thoughts t on t.project_id = p.id and t.archived_at is null
+		`+where+`
 		group by p.id, p.guid, p.name, p.description, p.created_at, p.last_active_at
 		order by p.last_active_at desc, p.created_at desc
-	`)
+	`, args...)
 	if err != nil {
 		return nil, fmt.Errorf("list projects: %w", err)
 	}
@@ -105,7 +112,8 @@ func (db *DB) ListProjects(ctx context.Context) ([]thoughttypes.ProjectSummary,
 }
 
 func (db *DB) TouchProject(ctx context.Context, id int64) error {
-	tag, err := db.pool.Exec(ctx, `update projects set last_active_at = now() where id = $1`, id)
+	args := []any{id}
+	tag, err := db.pool.Exec(ctx, `update projects set last_active_at = now() where id = $1`+tenantSQL(ctx, &args, "tenant_key"), args...)
 	if err != nil {
 		return fmt.Errorf("touch project: %w", err)
 	}