100 lines
2.4 KiB
Go
100 lines
2.4 KiB
Go
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package lib
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import (
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"context"
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"crypto/rand"
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"encoding/hex"
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"errors"
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"fmt"
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"time"
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"github.com/jackc/pgx/v4/pgxpool"
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)
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type Room struct {
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ID string
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CreatedAt time.Time
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UserID string
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RoomName string
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TopicName string
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Visible bool
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Scale string
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}
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// GenerateNewID generates a new room ID with the format "room_randomstring".
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func GenerateNewID() string {
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randomBytes := make([]byte, 16)
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if _, err := rand.Read(randomBytes); err != nil {
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panic(err)
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}
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return fmt.Sprintf("room_%s", hex.EncodeToString(randomBytes))
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}
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// CreateRoom creates a new room in the database.
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func CreateRoom(dbPool *pgxpool.Pool, userID, roomName string) (*Room, error) {
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if dbPool == nil {
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return nil, errors.New("database connection pool is not initialized")
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}
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// Generate a new ID for the room
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newRoomID := GenerateNewID()
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// Insert the new room into the database
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_, err := dbPool.Exec(context.Background(), "INSERT INTO rooms (id, userid, roomname, topicname, visible, scale) VALUES ($1, $2, $3, $4, $5, $6)", newRoomID, userID, roomName, "My First Topic", false, "0.5,1,2,3,5")
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if err != nil {
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return nil, err
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}
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return &Room{
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ID: newRoomID,
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UserID: userID,
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RoomName: roomName,
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TopicName: "My First Topic",
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Visible: false, // Default visibility
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Scale: "0.5,1,2,3,5", // Default scale
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}, nil
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}
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// DeleteRoom deletes a room from the database by its ID.
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func DeleteRoom(dbPool *pgxpool.Pool, roomID string) error {
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if dbPool == nil {
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return errors.New("database connection pool is not initialized")
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}
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_, err := dbPool.Exec(context.Background(), "DELETE FROM rooms WHERE id = $1", roomID)
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if err != nil {
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return err
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}
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return nil
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}
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// GetRoomsByUserID retrieves all rooms for a given userID.
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func GetRoomsByUserID(dbPool *pgxpool.Pool, userID string) ([]Room, error) {
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if dbPool == nil {
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return nil, errors.New("database connection pool is not initialized")
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}
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var rooms []Room
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rows, err := dbPool.Query(context.Background(), "SELECT id, created_at, userid, roomname, topicname, visible, scale FROM rooms WHERE userid = $1", userID)
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if err != nil {
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return nil, err
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}
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defer rows.Close()
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for rows.Next() {
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var room Room
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err := rows.Scan(&room.ID, &room.CreatedAt, &room.UserID, &room.RoomName, &room.TopicName, &room.Visible, &room.Scale)
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if err != nil {
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return nil, err
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}
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rooms = append(rooms, room)
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}
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if err = rows.Err(); err != nil {
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return nil, err
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}
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return rooms, nil
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}
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