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createdb.go
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createdb.go
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package main
import (
"log"
"os"
"database/sql"
"github.com/joho/godotenv"
_ "github.com/mattn/go-sqlite3"
)
func connect(dbName string) *sql.DB {
db, err := sql.Open("sqlite3", "./"+dbName)
if err != nil {
log.Fatal(err)
}
return db
}
func main() {
godotenv.Load(".env")
db := connect(os.Getenv("DB_NAME"))
defer db.Close()
// Create DB Tables
sqlUser := `create table user
(id integer not null primary key autoincrement,
first_name text,
last_name text);`
sqlTask := `create table task
(id integer not null primary key autoincrement,
title text, description text,
created_by integer not null,
assignee integer not null,
completed boolean default false,
FOREIGN KEY(created_by) REFERENCES user(id),
FOREIGN KEY(assignee) REFERENCES user(id))
`
sqlComment := `create table comment
(id integer not null primary key autoincrement,
text text,
task integer,
created_by integer,
created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
FOREIGN KEY(created_by) REFERENCES user(id),
FOREIGN KEY(task) REFERENCES task(id))
`
_, err := db.Exec(sqlUser)
if err != nil {
log.Fatal(err)
}
_, err = db.Exec(sqlTask)
if err != nil {
log.Fatal(err)
}
_, err = db.Exec(sqlComment)
if err != nil {
log.Fatal(err)
}
log.Println("Database created")
}