dnote/pkg/cli/database/queries.go
Sung Won Cho 23a511dbe0
Improve package structure (#207)
* Improve package structure

* Set up travis
2019-06-25 19:20:19 +10:00

123 lines
3.7 KiB
Go

/* Copyright (C) 2019 Monomax Software Pty Ltd
*
* This file is part of Dnote CLI.
*
* Dnote CLI 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.
*
* Dnote CLI 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 Dnote CLI. If not, see <https://www.gnu.org/licenses/>.
*/
package database
import (
"database/sql"
"github.com/pkg/errors"
)
// GetSystem scans the given system configuration record onto the destination
func GetSystem(db *DB, key string, dest interface{}) error {
if err := db.QueryRow("SELECT value FROM system WHERE key = ?", key).Scan(dest); err != nil {
return errors.Wrap(err, "finding system configuration record")
}
return nil
}
// InsertSystem inserets a system configuration
func InsertSystem(db *DB, key, val string) error {
if _, err := db.Exec("INSERT INTO system (key, value) VALUES (? , ?);", key, val); err != nil {
return errors.Wrap(err, "saving system config")
}
return nil
}
// UpsertSystem inserts or updates a system configuration
func UpsertSystem(db *DB, key, val string) error {
var count int
if err := db.QueryRow("SELECT count(*) FROM system WHERE key = ?", key).Scan(&count); err != nil {
return errors.Wrap(err, "counting system record")
}
if count == 0 {
if _, err := db.Exec("INSERT INTO system (key, value) VALUES (? , ?);", key, val); err != nil {
return errors.Wrap(err, "saving system config")
}
} else {
if _, err := db.Exec("UPDATE system SET value = ? WHERE key = ?", val, key); err != nil {
return errors.Wrap(err, "updating system config")
}
}
return nil
}
// UpdateSystem updates a system configuration
func UpdateSystem(db *DB, key, val interface{}) error {
if _, err := db.Exec("UPDATE system SET value = ? WHERE key = ?", val, key); err != nil {
return errors.Wrap(err, "updating system config")
}
return nil
}
// DeleteSystem delets the given system record
func DeleteSystem(db *DB, key string) error {
if _, err := db.Exec("DELETE FROM system WHERE key = ?", key); err != nil {
return errors.Wrap(err, "deleting system config")
}
return nil
}
// NoteInfo is a basic information about a note
type NoteInfo struct {
RowID int
BookLabel string
UUID string
Content string
AddedOn int64
EditedOn int64
}
// GetNoteInfo returns a NoteInfo for the note with the given noteRowID
func GetNoteInfo(db *DB, noteRowID string) (NoteInfo, error) {
var ret NoteInfo
err := db.QueryRow(`SELECT books.label, notes.uuid, notes.body, notes.added_on, notes.edited_on, notes.rowid
FROM notes
INNER JOIN books ON books.uuid = notes.book_uuid
WHERE notes.rowid = ? AND notes.deleted = false`, noteRowID).
Scan(&ret.BookLabel, &ret.UUID, &ret.Content, &ret.AddedOn, &ret.EditedOn, &ret.RowID)
if err == sql.ErrNoRows {
return ret, errors.Errorf("note %s not found", noteRowID)
} else if err != nil {
return ret, errors.Wrap(err, "querying the note")
}
return ret, nil
}
// GetBookUUID returns a uuid of a book given a label
func GetBookUUID(db *DB, label string) (string, error) {
var ret string
err := db.QueryRow("SELECT uuid FROM books WHERE label = ?", label).Scan(&ret)
if err == sql.ErrNoRows {
return ret, errors.Errorf("book '%s' not found", label)
} else if err != nil {
return ret, errors.Wrap(err, "querying the book")
}
return ret, nil
}