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queries.go
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/
queries.go
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package db
import (
"database/sql"
"fmt"
"log"
"strconv"
"strings"
_ "github.com/mattn/go-sqlite3"
)
func GetTodos() string {
db, err := sql.Open("sqlite3", "ami.db")
if err != nil {
log.Fatal(err)
}
defer db.Close()
// Query data
rows, err := db.Query("SELECT id, msg FROM todos WHERE done = 0")
if err != nil {
log.Fatal(err)
}
defer rows.Close()
collectedTodos := make([]string, 0)
for rows.Next() {
var id int
var msg string
if err := rows.Scan(&id, &msg); err != nil {
log.Fatal(err)
}
collectedTodos = append(collectedTodos, fmt.Sprintf("ID: %d Task: %s", id, msg))
}
if err := rows.Err(); err != nil {
log.Fatal(err)
}
if len(collectedTodos) == 0 {
return "[]"
}
return strings.Join(collectedTodos, "\n")
}
func AddTodo(msg string) {
db, err := sql.Open("sqlite3", "ami.db")
if err != nil {
log.Fatal(err)
}
defer db.Close()
// Insert data
_, err = db.Exec(`INSERT INTO todos (msg, done) VALUES (?, ?)`, msg, 0)
if err != nil {
log.Fatal(err)
}
}
func DoTodo(id string) {
db, err := sql.Open("sqlite3", "ami.db")
if err != nil {
log.Fatal(err)
}
defer db.Close()
intId, err := strconv.Atoi(id)
if err != nil {
fmt.Println("Error:", err)
return
}
// Insert data
_, err = db.Exec(`UPDATE OR IGNORE todos SET done = 1 WHERE id = ?`, intId, 0)
if err != nil {
log.Fatal(err)
}
}
func ClearTodos() {
db, err := sql.Open("sqlite3", "ami.db")
if err != nil {
log.Fatal(err)
}
defer db.Close()
// Insert data
_, err = db.Exec(`DELETE FROM todos`)
if err != nil {
log.Fatal(err)
}
}