willow/db/posthooks.go

58 lines
1.7 KiB
Go

// SPDX-FileCopyrightText: Amolith <amolith@secluded.site>
//
// SPDX-License-Identifier: Apache-2.0
package db
import (
"crypto/sha256"
"database/sql"
"fmt"
)
// generateAndInsertProjectIDs runs during migration 1, fetches all rows from
// projects_tmp, loops through the rows generating a repeatable ID for each
// project, and inserting it into the new table along with the data from the old
// table.
func generateAndInsertProjectIDs(tx *sql.Tx) error {
// Loop through projects_tmp, generate a project_id for each, and insert
// into projects
rows, err := tx.Query("SELECT url, name, forge, version, created_at FROM projects_tmp")
if err != nil {
return fmt.Errorf("failed to list projects in projects_tmp: %w", err)
}
defer rows.Close()
for rows.Next() {
var (
url string
name string
forge string
version string
created_at string
)
if err := rows.Scan(&url, &name, &forge, &version, &created_at); err != nil {
return fmt.Errorf("failed to scan row from projects_tmp: %w", err)
}
id := fmt.Sprintf("%x", sha256.Sum256([]byte(url+name+forge+created_at)))
_, err = tx.Exec(
"INSERT INTO projects (id, url, name, forge, version, created_at) VALUES (@id, @url, @name, @forge, @version, @created_at)",
sql.Named("id", id),
sql.Named("url", url),
sql.Named("name", name),
sql.Named("forge", forge),
sql.Named("version", version),
sql.Named("created_at", created_at),
)
if err != nil {
return fmt.Errorf("failed to insert project into projects: %w", err)
}
}
if _, err := tx.Exec("DROP TABLE projects_tmp"); err != nil {
return fmt.Errorf("failed to drop projects_tmp: %w", err)
}
return nil
}