focus/focus-lists/db.go

96 lines
1.8 KiB
Go

package main
import (
"database/sql"
_ "github.com/mattn/go-sqlite3"
)
var db *sql.DB
type List struct {
ID int `json:"id"`
ProjectID int `json:"project_id"`
Title string `json:"title"`
Color string `json:"color"`
}
func InitDB(driver string, connStr string) error {
var err error
db, err = sql.Open(driver, connStr)
if err != nil {
return err
}
_, err = db.Exec(`
CREATE TABLE IF NOT EXISTS lists (
id INTEGER PRIMARY KEY AUTOINCREMENT,
project_id INTEGER,
title TEXT,
color TEXT
);
`)
if err != nil {
return err
}
return nil
}
func Create(l List) (int, error) {
res, err := db.Exec("INSERT INTO lists (project_id, title, color) VALUES (?, ?, ?)", l.ProjectID, l.Title, l.Color)
if err != nil {
return 0, err
}
id, err := res.LastInsertId()
if err != nil {
return 0, err
}
return int(id), nil
}
func GetAll(projectID int) ([]List, error) {
rows, err := db.Query("SELECT * FROM lists WHERE project_id = ?", projectID)
if err != nil {
return nil, err
}
defer rows.Close()
var lists []List
for rows.Next() {
var l List
if err := rows.Scan(&l.ID, &l.ProjectID, &l.Title, &l.Color); err != nil {
return nil, err
}
lists = append(lists, l)
}
if err = rows.Err(); err != nil {
return nil, err
}
return lists, nil
}
func Get(id int) (*List, error) {
var l List
err := db.QueryRow("SELECT * FROM lists WHERE id = ?", id).Scan(&l.ID, &l.ProjectID, &l.Title, &l.Color)
if err != nil {
return nil, err
}
return &l, nil
}
func Delete(id int) error {
_, err := db.Exec("DELETE FROM lists WHERE id = ?", id)
return err
}
func Update(l List) error {
_, err := db.Exec("UPDATE lists SET project_id = ?, title = ?, color = ? WHERE id = ?", l.ProjectID, l.Title, l.Color, l.ID)
return err
}