Files
go-socket/database.go
T

69 lines
1.7 KiB
Go

package main
import (
"context"
"github.com/jackc/pgx/v5"
"golang.org/x/crypto/bcrypt"
)
var dbConn *pgx.Conn
func InitDatabase(ctx context.Context) {
conn, err := pgx.Connect(ctx, "postgres://master:secret@localhost:5432")
if err != nil {
panic(err)
}
_, err = conn.Exec(ctx, `
CREATE TABLE IF NOT EXISTS users (
id SERIAL PRIMARY KEY,
name VARCHAR(20) UNIQUE NOT NULL,
pass_hash VARCHAR(60) NOT NULL,
pronouns VARCHAR(15) DEFAULT NULL,
color VARCHAR(3) DEFAULT NULL
);
CREATE TABLE IF NOT EXISTS chat_groups (
id SERIAL PRIMARY KEY,
name VARCHAR(48) NOT NULL,
creator_id INTEGER NOT NULL REFERENCES users(id) ON DELETE CASCADE,
owner_id INTEGER NOT NULL REFERENCES users(id) ON DELETE CASCADE,
enable_user_colors BOOLEAN NOT NULL DEFAULT true,
group_color VARCHAR(3),
created_at TIMESTAMP NOT NULL DEFAULT NOW()
);
CREATE TABLE IF NOT EXISTS chat_group_members (
group_id INTEGER NOT NULL REFERENCES chat_groups(id) ON DELETE CASCADE,
user_id INTEGER NOT NULL REFERENCES users(id) ON DELETE CASCADE,
joined_at TIMESTAMP NOT NULL DEFAULT NOW(),
PRIMARY KEY (group_id, user_id)
);
`)
if err != nil {
panic(err)
}
dbConn = conn
}
func SaveClientWithoutGroups(ctx context.Context, client *Client) error {
var id uint64
var err error
var hashed []byte
hashed, err = bcrypt.GenerateFromPassword([]byte(client.PasswordHash), bcrypt.DefaultCost)
if err != nil {
return err
}
password := string(hashed)
c := string(client.Color[:])
err = dbConn.QueryRow(ctx, `
INSERT INTO users (name, pass_hash, pronouns, color)
VALUES ($1, $2, $3)
RETURNING id
`, client.Name, password, client.Pronouns, c).Scan(&id)
return err
}