func Initialize() error {
// If journey.db does not exist, look for a Ghost database to convert
if !helpers.FileExists(filenames.DatabaseFilename) {
// Convert Ghost database if available (time format needs to change to be compatible with journey)
migration.Ghost()
}
// Open or create database file
var err error
readDB, err = sql.Open("sqlite3", filenames.DatabaseFilename)
if err != nil {
return err
}
readDB.SetMaxIdleConns(256) // TODO: is this enough?
err = readDB.Ping()
if err != nil {
return err
}
currentTime := time.Now()
_, err = readDB.Exec(stmtInitialization, uuid.Formatter(uuid.NewV4(), uuid.CleanHyphen), currentTime, currentTime, uuid.Formatter(uuid.NewV4(), uuid.CleanHyphen), currentTime, currentTime, uuid.Formatter(uuid.NewV4(), uuid.CleanHyphen), currentTime, currentTime, uuid.Formatter(uuid.NewV4(), uuid.CleanHyphen), currentTime, currentTime, uuid.Formatter(uuid.NewV4(), uuid.CleanHyphen), currentTime, currentTime, uuid.Formatter(uuid.NewV4(), uuid.CleanHyphen), currentTime, currentTime, uuid.Formatter(uuid.NewV4(), uuid.CleanHyphen), currentTime, currentTime, uuid.Formatter(uuid.NewV4(), uuid.CleanHyphen), currentTime, currentTime, uuid.Formatter(uuid.NewV4(), uuid.CleanHyphen), currentTime, currentTime, uuid.Formatter(uuid.NewV4(), uuid.CleanHyphen), currentTime, currentTime, uuid.Formatter(uuid.NewV4(), uuid.CleanHyphen), currentTime, currentTime, uuid.Formatter(uuid.NewV4(), uuid.CleanHyphen), currentTime, currentTime)
// TODO: Is Commit()/Rollback() needed for DB.Exec()?
if err != nil {
return err
}
err = checkBlogSettings()
if err != nil {
return err
}
return nil
}
// This function converts all fields in the Ghost db that are not compatible with Journey (only date fields for now. Ghost uses a javascript-specific unix timestamp).
func convertGhostDatabase(fileName string) error {
// If journey.db exists already, don't convert this file
if helpers.FileExists(filenames.DatabaseFilename) {
return errors.New(filenames.DatabaseFilename + " already exists.")
}
log.Println("Trying to convert " + fileName + "...")
readDB, err := sql.Open("sqlite3", fileName)
if err != nil {
log.Println("Error:", err)
return err
}
err = readDB.Ping()
if err != nil {
log.Println("Error:", err)
return err
}
// Convert posts
err = convertPosts(readDB)
if err != nil {
log.Println("Error:", err)
return err
}
// Convert users
err = convertUsers(readDB)
if err != nil {
log.Println("Error:", err)
return err
}
// Convert tags
err = convertDates(readDB, stmtRetrieveGhostTags, stmtUpdateGhostTags)
if err != nil {
log.Println("Error:", err)
return err
}
// Convert roles
err = convertDates(readDB, stmtRetrieveGhostRoles, stmtUpdateGhostRoles)
if err != nil {
log.Println("Error:", err)
return err
}
// Convert settings
err = convertDates(readDB, stmtRetrieveGhostSettings, stmtUpdateGhostSettings)
if err != nil {
log.Println("Error:", err)
return err
}
// Set default theme
err = setDefaultTheme(readDB)
if err != nil {
log.Println("Error:", err)
return err
}
// Convert permissions (not used by Journey at the moment)
err = convertDates(readDB, stmtRetrieveGhostPermissions, stmtUpdateGhostPermissions)
if err != nil {
log.Println("Error:", err)
return err
}
// Convert clients (not used by Journey at the moment)
err = convertDates(readDB, stmtRetrieveGhostClients, stmtUpdateGhostClients)
if err != nil {
log.Println("Error:", err)
return err
}
// All went well. Close database connection.
err = readDB.Close()
if err != nil {
log.Println("Error:", err)
return err
}
// Rename file to Journey format
err = os.Rename(fileName, filenames.DatabaseFilename)
if err != nil {
log.Println("Error:", err)
return err
}
log.Println("Success!")
return nil
}