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database.go
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database.go
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package database
import (
"database/sql"
"log"
"os"
"strings"
_ "github.com/mattn/go-sqlite3"
)
var dbHandle *sql.DB
var dbPath = getDbPath()
// Get path to db
// If testing environment, :memory: is returned
func getDbPath() string {
// Early return if testing environment
if strings.Contains(os.Args[0], ".test") {
return ":memory:"
}
// Else the database is in the home dir
dirname, err := os.UserHomeDir()
if err != nil {
log.Fatal(err)
}
return dirname + "/.vagoru.db"
}
// Check if db file is created
func IsDbInitiated() bool {
if _, err := os.Stat(dbPath); err == nil {
return true
}
return false
}
// Initialize db file
func InitDb() {
// file, err := os.Create("vagoru.db")
file, err := os.Create(dbPath)
if err != nil {
log.Fatal(err)
}
file.Close()
}
// Open db
func OpenDb() (*sql.DB, error) {
var err error
dbHandle, err = sql.Open("sqlite3", dbPath)
if err != nil {
return nil, err
}
return dbHandle, nil
}
// Close db
func CloseDb() {
if dbHandle != nil {
dbHandle.Close()
}
dbHandle = nil
}
// Get the db handle from package
func GetDb() *sql.DB {
if dbHandle == nil {
OpenDb()
CreateDbStructure() // TODO: Only run if needed
}
return dbHandle
}
// Reset db
// Used in testing when using sqlite :memory: database
func ResetDb() {
CloseDb()
GetDb()
}