go_sqlite_test/cmd/main/main.go
2025-08-25 17:54:32 -04:00

153 lines
3.2 KiB
Go

package main
import (
"log"
"strings"
"os"
"git.rdx4.com/monqui/storage/internal/storage"
"database/sql"
_ "github.com/mattn/go-sqlite3"
)
// Panic and crash if an error shows up, and print the error
func check(e error) {
if e != nil {
panic(e)
}
}
// Convert a query into an executable statement.
func prep_query(db *sql.DB, q string) (*sql.Stmt){
statement, err := db.Prepare(q)
check(err)
return statement
}
// User record management stuff. Eventually want to abstract
// this out to store any sort of record...
type User struct {
id int64
name string
}
func create_user(db *sql.DB, name string) (User) {
s := prep_query(db, "INSERT INTO users (name) VALUES (?)")
res, err := s.Exec(name)
check(err)
var u User
id, _ := res.LastInsertId()
u.id = id
u.name = name
return u
}
func get_user(db *sql.DB, name string) (User) {
s := prep_query(db, "SELECT * FROM users WHERE name = ? LIMIT 1")
res, err := s.Query(name)
check(err)
var u User
res.Next()
res.Scan(&u.id, &u.name)
res.Close()
if u.id == 0 {
return create_user(db, name)
} else {
return u
}
}
// Blerk. Start here with a get/create and see where
// that goes...
type Entity struct {
id int64
user_id int64
name string
spawn_line string
}
func create_entity(db *sql.DB, user_id int64, name string, spawn_line string) (Entity) {
s := prep_query(db, "INSERT INTO entities (user_id, name, spawn_line) VALUES (?, ?, ?)")
res, err := s.Exec(user_id, name, spawn_line)
check(err)
var ent Entity
id, _ := res.LastInsertId()
ent.id = id
ent.user_id = user_id
ent.name = name
ent.spawn_line = spawn_line
return ent
}
func get_entity(db *sql.DB, id int64) (Entity) {
s := prep_query(db, "SELECT * FROM entities WHERE id = ? LIMIT 1")
res, err := s.Query(id)
check(err)
var ent Entity
res.Next()
err = res.Scan(&ent.id, &ent.user_id, &ent.name, &ent.spawn_line)
check(err)
res.Close()
if ent.id == 0 {
log.Printf("Entity id %d doesn't exist!", id)
}
return ent
}
func reset_database(db *sql.DB) {
dat, _ := os.ReadFile("setup.sql")
queries := strings.Split(string(dat), ";")
for _, q := range queries {
_, err := db.Exec(q)
check(err)
}
}
func main() {
db, _ := sql.Open("sqlite3", "rpgqui.db")
reset_database(db)
log.Println("Reset db...\n")
log.Println("Adding users...\n")
// spin up a user...
u := get_user(db, "Monqui")
log.Printf("ID: %d, name: %s", u.id, u.name)
u = get_user(db, "Jim")
log.Printf("ID: %d, name: %s", u.id, u.name)
u = get_user(db, "Monqui")
log.Printf("ID: %d, name: %s", u.id, u.name)
// make some entities...
log.Println("Adding entities...\n")
e := create_entity(db, u.id, "idk a demon", "hello im monqui")
log.Printf("ID: %d, user_id: %d, spawn_line: %s", e.id, e.user_id, e.spawn_line)
e = create_entity(db, u.id, "idk a monster", "here's a whole nother line!")
log.Printf("ID: %d, user_id: %d, spawn_line: %s", e.id, e.user_id, e.spawn_line)
log.Println("Trying to fetch some entities...\n")
e = get_entity(db, 1)
log.Printf("ID: %d, user_id: %d, spawn_line: %s", e.id, e.user_id, e.spawn_line)
e = get_entity(db, 2)
log.Printf("ID: %d, user_id: %d, spawn_line: %s", e.id, e.user_id, e.spawn_line)
}