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db.go
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db.go
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/*
Terminews is a terminal based (TUI) RSS feed manager.
Copyright (C) 2017 Alexandros Ntavelos, a[dot]ntavelos[at]gmail[dot]com
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package db
import (
"database/sql"
"path"
_ "github.com/mattn/go-sqlite3"
)
type TDB struct {
*sql.DB
}
func InitDB(appDir string) (*TDB, error) {
dbpath := path.Join(appDir, "terminews.db")
db, err := sql.Open("sqlite3", dbpath)
if err != nil || db == nil {
return nil, err
}
tdb := &TDB{db}
if err = tdb.CreateTables(); err != nil {
return nil, err
}
return tdb, nil
}
func (tdb *TDB) CreateTables() error {
ssql := []string{
GetSiteSql(),
GetEventSql(),
}
for _, s := range ssql {
_, err := tdb.Exec(s)
if err != nil {
return err
}
}
return nil
}
func (tdb *TDB) DropTables() error {
ssql := []string{
"DROP TABLE site;",
"DROP TABLE event;",
}
for _, s := range ssql {
_, err := tdb.Exec(s)
if err != nil {
return err
}
}
return nil
}