119 lines
2.1 KiB
Go
119 lines
2.1 KiB
Go
package database
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import (
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"database/sql"
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"fmt"
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"log"
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"nutfactory.org/Matrix/entities/transaction"
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)
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func initTransactionTable(db *sql.DB) (err error) {
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log.Printf("Init Transaction Table")
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statement, err := db.Prepare(`CREATE TABLE IF NOT EXISTS txn (
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id TEXT PRIMARY KEY,
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origin TEXT,
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timestamp INTEGER
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)`)
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if err != nil {
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return
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}
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statement.Exec()
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//TODO: Test Queries
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return
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}
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func createTransaction(db *sql.DB, transaction *transaction.Transaction) (err error) {
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sqlStmt := fmt.Sprintf(`INSERT INTO txn
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(id, origin, timestamp)
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VALUES
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(?, ?, ?)`)
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tx, err := db.Begin()
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if err != nil {
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return
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}
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stmt, err := tx.Prepare(sqlStmt)
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if err != nil {
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return
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}
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defer stmt.Close()
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_, err = stmt.Exec(transaction.Id, transaction.Origin, transaction.Timestamp)
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if err != nil {
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return
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}
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tx.Commit()
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return
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}
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func readTransaction(db *sql.DB, id string) (foundTransaction *transaction.Transaction, err error) {
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queryStmt := fmt.Sprintf(`SELECT id, origin, timestamp
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FROM txn
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WHERE id = '%s'`, id)
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rows, err := db.Query(queryStmt)
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if err != nil {
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return
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}
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defer rows.Close()
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if rows.Next() {
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foundTransaction = &transaction.Transaction{}
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err = rows.Scan(&foundTransaction.Id, &foundTransaction.Origin, &foundTransaction.Timestamp)
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if err != nil {
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return
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}
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foundTransaction.PDUS, err = ReadEventsFromTransaction(db, foundTransaction.Id)
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}
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return
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}
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func updateTransaction(db *sql.DB, transaction *transaction.Transaction) (err error) {
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sqlStmt := fmt.Sprintf(`UPDATE txn SET
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origin = ?,
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timestamp = ?
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WHERE id = ?`)
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tx, err := db.Begin()
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if err != nil {
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return
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}
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stmt, err := tx.Prepare(sqlStmt)
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if err != nil {
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return
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}
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defer stmt.Close()
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_, err = stmt.Exec(transaction.Origin, transaction.Timestamp, transaction.Id)
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if err != nil {
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return
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}
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tx.Commit()
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return
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}
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func deleteTransaction(db *sql.DB, id string) (err error) {
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queryStmt := fmt.Sprintf(`DELETE FROM txn
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WHERE id = '%s'`, id)
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tx, err := db.Begin()
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if err != nil {
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return
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}
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_, err = db.Exec(queryStmt)
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if err != nil {
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return
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}
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tx.Commit()
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return
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}
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