First pass at basic functionality.

This PR introduces the beginnings of Sprint Padawan. Reviewed-on: #1
2026-05-02 02:01:53 -06:00
parent 3586be0e14
commit 16bed1b8c0
51 changed files with 4597 additions and 1 deletions
@@ -0,0 +1,134 @@
+package lib
+
+import (
+	"database/sql"
+	"log"
+	"os"
+	"path/filepath"
+
+	_ "turso.tech/database/tursogo"
+)
+
+var DB *sql.DB
+
+// init sqlite db — creates app.db at project root (run from root) or ROOT_DIR if set
+func InitDB() {
+	var err error
+
+	dbPath := "app.db"
+	if rootDir := os.Getenv("ROOT_DIR"); rootDir != "" {
+		dbPath = filepath.Join(rootDir, "app.db")
+	}
+
+	DB, err = sql.Open("turso", dbPath)
+	if err != nil {
+		log.Fatal(err)
+	}
+
+	if _, err = DB.Exec("PRAGMA foreign_keys = ON;"); err != nil {
+		log.Fatal(err)
+	}
+
+	// make users table
+	userTable := `
+	CREATE TABLE IF NOT EXISTS users (
+		id INTEGER PRIMARY KEY AUTOINCREMENT,
+		username TEXT UNIQUE NOT NULL,
+		password_hash TEXT NOT NULL
+	);`
+	_, err = DB.Exec(userTable)
+	if err != nil {
+		log.Fatal(err)
+	}
+
+	// make sessions table
+	sessionTable := `
+	CREATE TABLE IF NOT EXISTS sessions (
+		id TEXT PRIMARY KEY,
+		user_id INTEGER NOT NULL,
+		expires_at DATETIME NOT NULL,
+		FOREIGN KEY(user_id) REFERENCES users(id) ON DELETE CASCADE
+	);`
+	_, err = DB.Exec(sessionTable)
+	if err != nil {
+		log.Fatal(err)
+	}
+
+	// make rooms table
+	roomTable := `
+	CREATE TABLE IF NOT EXISTS rooms (
+		id INTEGER PRIMARY KEY AUTOINCREMENT,
+		name TEXT NOT NULL,
+		code TEXT UNIQUE NOT NULL,
+		scale TEXT NOT NULL DEFAULT 'fibonacci',
+		owner_id INTEGER NOT NULL,
+		created_at DATETIME NOT NULL,
+		active_story_id INTEGER,
+		FOREIGN KEY(owner_id) REFERENCES users(id) ON DELETE CASCADE
+	);`
+	_, err = DB.Exec(roomTable)
+	if err != nil {
+		log.Fatal(err)
+	}
+
+	// make room_members table
+	memberTable := `
+	CREATE TABLE IF NOT EXISTS room_members (
+		room_id INTEGER NOT NULL,
+		user_id INTEGER NOT NULL,
+		joined_at DATETIME NOT NULL,
+		PRIMARY KEY (room_id, user_id),
+		FOREIGN KEY(room_id) REFERENCES rooms(id) ON DELETE CASCADE,
+		FOREIGN KEY(user_id) REFERENCES users(id) ON DELETE CASCADE
+	);`
+	_, err = DB.Exec(memberTable)
+	if err != nil {
+		log.Fatal(err)
+	}
+
+	// make stories table
+	storyTable := `
+	CREATE TABLE IF NOT EXISTS stories (
+		id INTEGER PRIMARY KEY AUTOINCREMENT,
+		room_id INTEGER NOT NULL,
+		title TEXT NOT NULL,
+		points INTEGER,
+		voted INTEGER NOT NULL DEFAULT 0,
+		FOREIGN KEY(room_id) REFERENCES rooms(id) ON DELETE CASCADE
+	);`
+	_, err = DB.Exec(storyTable)
+	if err != nil {
+		log.Fatal(err)
+	}
+
+	// make votes table
+	voteTable := `
+	CREATE TABLE IF NOT EXISTS votes (
+		story_id INTEGER NOT NULL,
+		user_id INTEGER NOT NULL,
+		value TEXT NOT NULL,
+		PRIMARY KEY (story_id, user_id),
+		FOREIGN KEY(story_id) REFERENCES stories(id) ON DELETE CASCADE,
+		FOREIGN KEY(user_id) REFERENCES users(id) ON DELETE CASCADE
+	);`
+	_, err = DB.Exec(voteTable)
+	if err != nil {
+		log.Fatal(err)
+	}
+
+	indexes := []string{
+		"CREATE INDEX IF NOT EXISTS idx_sessions_user_expires ON sessions(user_id, expires_at);",
+		"CREATE INDEX IF NOT EXISTS idx_sessions_expires ON sessions(expires_at);",
+		"CREATE INDEX IF NOT EXISTS idx_rooms_owner ON rooms(owner_id);",
+		"CREATE INDEX IF NOT EXISTS idx_room_members_room ON room_members(room_id);",
+		"CREATE INDEX IF NOT EXISTS idx_room_members_user ON room_members(user_id);",
+		"CREATE INDEX IF NOT EXISTS idx_stories_room ON stories(room_id);",
+		"CREATE INDEX IF NOT EXISTS idx_votes_story ON votes(story_id);",
+		"CREATE INDEX IF NOT EXISTS idx_votes_user ON votes(user_id);",
+	}
+	for _, stmt := range indexes {
+		if _, err = DB.Exec(stmt); err != nil {
+			log.Fatal(err)
+		}
+	}
+}
@@ -0,0 +1,248 @@
+package lib
+
+import (
+	"fmt"
+	"strings"
+	"time"
+
+	"github.com/google/uuid"
+)
+
+type Room struct {
+	ID            int
+	Name          string
+	Code          string
+	Scale         string
+	OwnerID       int
+	CreatedAt     time.Time
+	ActiveStoryID *int
+}
+
+type RoomMember struct {
+	RoomID   int
+	UserID   int
+	JoinedAt time.Time
+}
+
+type RoomSummary struct {
+	Room
+	MemberCount int
+}
+
+// generate unique room code
+func generateRoomCode() string {
+	code := uuid.New().String()[:8]
+	return code
+}
+
+// create room
+func CreateRoom(name string, ownerID int, scale string) (*Room, error) {
+	code := generateRoomCode()
+
+	tx, err := DB.Begin()
+	if err != nil {
+		return nil, err
+	}
+	defer tx.Rollback()
+
+	createdAt := time.Now()
+	res, err := tx.Exec("INSERT INTO rooms (name, code, scale, owner_id, created_at, active_story_id) VALUES (?, ?, ?, ?, ?, NULL)", name, code, scale, ownerID, createdAt)
+	if err != nil {
+		return nil, err
+	}
+
+	roomID64, err := res.LastInsertId()
+	if err != nil {
+		return nil, err
+	}
+	roomID := int(roomID64)
+
+	if _, err := tx.Exec("INSERT INTO room_members (room_id, user_id, joined_at) VALUES (?, ?, ?)", roomID, ownerID, createdAt); err != nil {
+		return nil, err
+	}
+
+	if err := tx.Commit(); err != nil {
+		return nil, err
+	}
+
+	return &Room{
+		ID:            roomID,
+		Name:          name,
+		Code:          code,
+		Scale:         scale,
+		OwnerID:       ownerID,
+		CreatedAt:     createdAt,
+		ActiveStoryID: nil,
+	}, nil
+}
+
+// get room by id
+func GetRoomByID(id int) (*Room, error) {
+	row := DB.QueryRow("SELECT id, name, code, scale, owner_id, created_at, active_story_id FROM rooms WHERE id = ?", id)
+	r := &Room{}
+	err := row.Scan(&r.ID, &r.Name, &r.Code, &r.Scale, &r.OwnerID, &r.CreatedAt, &r.ActiveStoryID)
+	if err != nil {
+		return nil, err
+	}
+	return r, nil
+}
+
+// get room by code
+func GetRoomByCode(code string) (*Room, error) {
+	row := DB.QueryRow("SELECT id, name, code, scale, owner_id, created_at, active_story_id FROM rooms WHERE code = ?", code)
+	r := &Room{}
+	err := row.Scan(&r.ID, &r.Name, &r.Code, &r.Scale, &r.OwnerID, &r.CreatedAt, &r.ActiveStoryID)
+	if err != nil {
+		return nil, err
+	}
+	return r, nil
+}
+
+// get rooms for user
+func GetRoomsForUser(userID int) ([]Room, error) {
+	summaries, err := GetRoomSummariesForUser(userID)
+	if err != nil {
+		return nil, err
+	}
+	rooms := make([]Room, 0, len(summaries))
+	for _, s := range summaries {
+		rooms = append(rooms, s.Room)
+	}
+	return rooms, nil
+}
+
+func GetRoomSummariesForUser(userID int) ([]RoomSummary, error) {
+	rows, err := DB.Query(`
+		SELECT r.id, r.name, r.code, r.scale, r.owner_id, r.created_at, r.active_story_id, COUNT(rm.user_id) as member_count
+		FROM rooms r
+		LEFT JOIN room_members rm ON r.id = rm.room_id
+		WHERE r.owner_id = ?
+		GROUP BY r.id
+	`, userID)
+	if err != nil {
+		return nil, err
+	}
+	defer rows.Close()
+	var rooms []RoomSummary
+	for rows.Next() {
+		var r RoomSummary
+		var memberCount int
+		err := rows.Scan(&r.ID, &r.Name, &r.Code, &r.Scale, &r.OwnerID, &r.CreatedAt, &r.ActiveStoryID, &memberCount)
+		if err != nil {
+			return nil, err
+		}
+		r.MemberCount = memberCount
+		rooms = append(rooms, r)
+	}
+	return rooms, nil
+}
+
+// set active story for room
+func SetActiveStory(roomID, storyID int) error {
+	_, err := DB.Exec("UPDATE rooms SET active_story_id = ? WHERE id = ?", storyID, roomID)
+	return err
+}
+
+// add user to room
+func AddUserToRoom(roomID, userID int) error {
+	_, err := DB.Exec("INSERT OR IGNORE INTO room_members (room_id, user_id, joined_at) VALUES (?, ?, ?)", roomID, userID, time.Now())
+	return err
+}
+
+// get room members
+func GetRoomMembers(roomID int) ([]User, error) {
+	rows, err := DB.Query(`
+		SELECT u.id, u.username, u.password_hash
+		FROM users u
+		JOIN room_members rm ON u.id = rm.user_id
+		WHERE rm.room_id = ?
+	`, roomID)
+	if err != nil {
+		return nil, err
+	}
+	defer rows.Close()
+	var members []User
+	for rows.Next() {
+		var u User
+		err := rows.Scan(&u.ID, &u.Username, &u.PasswordHash)
+		if err != nil {
+			return nil, err
+		}
+		members = append(members, u)
+	}
+	return members, nil
+}
+
+// delete room by id
+func DeleteRoom(id int) error {
+	_, err := DB.Exec("DELETE FROM rooms WHERE id = ?", id)
+	return err
+}
+
+func GetVotesForStories(storyIDs []int) (map[int][]Vote, error) {
+	votesByStory := make(map[int][]Vote)
+	if len(storyIDs) == 0 {
+		return votesByStory, nil
+	}
+
+	placeholders := strings.TrimSuffix(strings.Repeat("?,", len(storyIDs)), ",")
+	args := make([]interface{}, 0, len(storyIDs))
+	for _, id := range storyIDs {
+		args = append(args, id)
+	}
+
+	query := fmt.Sprintf("SELECT story_id, user_id, value FROM votes WHERE story_id IN (%s)", placeholders)
+	rows, err := DB.Query(query, args...)
+	if err != nil {
+		return nil, err
+	}
+	defer rows.Close()
+
+	for rows.Next() {
+		var v Vote
+		if err := rows.Scan(&v.StoryID, &v.UserID, &v.Value); err != nil {
+			return nil, err
+		}
+		votesByStory[v.StoryID] = append(votesByStory[v.StoryID], v)
+	}
+
+	return votesByStory, nil
+}
+
+func GetVoteViewsForStories(storyIDs []int) (map[int][]VoteView, error) {
+	voteViewsByStory := make(map[int][]VoteView)
+	if len(storyIDs) == 0 {
+		return voteViewsByStory, nil
+	}
+
+	placeholders := strings.TrimSuffix(strings.Repeat("?,", len(storyIDs)), ",")
+	args := make([]interface{}, 0, len(storyIDs))
+	for _, id := range storyIDs {
+		args = append(args, id)
+	}
+
+	query := fmt.Sprintf(`
+		SELECT v.story_id, u.username, v.value
+		FROM votes v
+		JOIN users u ON v.user_id = u.id
+		WHERE v.story_id IN (%s)
+	`, placeholders)
+	rows, err := DB.Query(query, args...)
+	if err != nil {
+		return nil, err
+	}
+	defer rows.Close()
+
+	for rows.Next() {
+		var (
+			storyID int
+			vv      VoteView
+		)
+		if err := rows.Scan(&storyID, &vv.Username, &vv.Value); err != nil {
+			return nil, err
+		}
+		voteViewsByStory[storyID] = append(voteViewsByStory[storyID], vv)
+	}
+
+	return voteViewsByStory, nil
+}
@@ -0,0 +1,189 @@
+package lib
+
+import (
+	"database/sql"
+	"strconv"
+)
+
+type Story struct {
+	ID     int
+	RoomID int
+	Title  string
+	Points *int
+	Voted  bool
+}
+
+type Vote struct {
+	ID      int
+	StoryID int
+	UserID  int
+	Value   string
+}
+
+// create story
+func CreateStory(roomID int, title string) (*Story, error) {
+	res, err := DB.Exec("INSERT INTO stories (room_id, title, voted) VALUES (?, ?, 0)", roomID, title)
+	if err != nil {
+		return nil, err
+	}
+	id64, err := res.LastInsertId()
+	if err != nil {
+		return nil, err
+	}
+	return &Story{
+		ID:     int(id64),
+		RoomID: roomID,
+		Title:  title,
+		Points: nil,
+		Voted:  false,
+	}, nil
+}
+
+// get stories for room
+func GetStoriesForRoom(roomID int) ([]Story, error) {
+	rows, err := DB.Query("SELECT id, room_id, title, points, voted FROM stories WHERE room_id = ? ORDER BY id", roomID)
+	if err != nil {
+		return nil, err
+	}
+	defer rows.Close()
+	var stories []Story
+	for rows.Next() {
+		var s Story
+		var points sql.NullInt64
+		var voted int
+		err := rows.Scan(&s.ID, &s.RoomID, &s.Title, &points, &voted)
+		if err != nil {
+			return nil, err
+		}
+		if points.Valid {
+			p := int(points.Int64)
+			s.Points = &p
+		}
+		s.Voted = voted == 1
+		stories = append(stories, s)
+	}
+	return stories, nil
+}
+
+// vote on story
+func VoteOnStory(storyID, userID int, value string) error {
+	_, err := DB.Exec("INSERT OR REPLACE INTO votes (story_id, user_id, value) VALUES (?, ?, ?)", storyID, userID, value)
+	return err
+}
+
+// get votes for story
+func GetVotesForStory(storyID int) ([]Vote, error) {
+	rows, err := DB.Query("SELECT story_id, user_id, value FROM votes WHERE story_id = ?", storyID)
+	if err != nil {
+		return nil, err
+	}
+	defer rows.Close()
+	var votes []Vote
+	for rows.Next() {
+		var v Vote
+		err := rows.Scan(&v.StoryID, &v.UserID, &v.Value)
+		if err != nil {
+			return nil, err
+		}
+		votes = append(votes, v)
+	}
+	return votes, nil
+}
+
+// reveal votes — just marks the story as revealed
+func RevealVotes(storyID int) error {
+	_, err := DB.Exec("UPDATE stories SET voted = 1 WHERE id = ?", storyID)
+	return err
+}
+
+type VoteView struct {
+	Username string
+	Value    string
+}
+
+// get votes with usernames for display
+func GetVotesWithUsernames(storyID int) ([]VoteView, error) {
+	rows, err := DB.Query(`
+		SELECT u.username, v.value
+		FROM votes v
+		JOIN users u ON v.user_id = u.id
+		WHERE v.story_id = ?
+	`, storyID)
+	if err != nil {
+		return nil, err
+	}
+	defer rows.Close()
+	var views []VoteView
+	for rows.Next() {
+		var vv VoteView
+		err := rows.Scan(&vv.Username, &vv.Value)
+		if err != nil {
+			return nil, err
+		}
+		views = append(views, vv)
+	}
+	return views, nil
+}
+
+// unreveal story — set voted back to 0 and clear points
+func UnrevealStory(storyID int) error {
+	_, err := DB.Exec("UPDATE stories SET voted = 0, points = NULL WHERE id = ?", storyID)
+	return err
+}
+
+// clear all votes for a story
+func ClearVotesForStory(storyID int) error {
+	_, err := DB.Exec("DELETE FROM votes WHERE story_id = ?", storyID)
+	return err
+}
+
+// rename story
+func RenameStory(storyID int, title string) error {
+	_, err := DB.Exec("UPDATE stories SET title = ? WHERE id = ?", title, storyID)
+	return err
+}
+
+// delete story and its votes
+func DeleteStory(storyID int) error {
+	_, err := DB.Exec("DELETE FROM stories WHERE id = ?", storyID)
+	return err
+}
+
+func tshirtToPoints(s string) float64 {
+	switch s {
+	case "XS":
+		return 1
+	case "S":
+		return 3
+	case "M":
+		return 5
+	case "L":
+		return 8
+	case "XL":
+		return 13
+	case "XXL":
+		return 21
+	case "?":
+		return 0
+	default:
+		n, _ := strconv.Atoi(s)
+		return float64(n)
+	}
+}
+
+func GetStoryByID(id int) (*Story, error) {
+	row := DB.QueryRow("SELECT id, room_id, title, points, voted FROM stories WHERE id = ?", id)
+	var s Story
+	var points sql.NullInt64
+	var voted int
+	err := row.Scan(&s.ID, &s.RoomID, &s.Title, &points, &voted)
+	if err != nil {
+		return nil, err
+	}
+	if points.Valid {
+		p := int(points.Int64)
+		s.Points = &p
+	}
+	s.Voted = voted == 1
+	return &s, nil
+}
@@ -0,0 +1,82 @@
+package lib
+
+import (
+	"time"
+
+	"github.com/google/uuid"
+	"golang.org/x/crypto/bcrypt"
+)
+
+type User struct {
+	ID           int
+	Username     string
+	PasswordHash string
+}
+
+// hash password
+func HashPassword(password string) (string, error) {
+	bytes, err := bcrypt.GenerateFromPassword([]byte(password), 14)
+	return string(bytes), err
+}
+
+// check password
+func CheckPasswordHash(password, hash string) bool {
+	err := bcrypt.CompareHashAndPassword([]byte(hash), []byte(password))
+	return err == nil
+}
+
+// create new user
+func CreateUser(username, password string) error {
+	hash, err := HashPassword(password)
+	if err != nil {
+		return err
+	}
+	_, err = DB.Exec("INSERT INTO users (username, password_hash) VALUES (?, ?)", username, hash)
+	return err
+}
+
+// get user by name
+func GetUserByUsername(username string) (*User, error) {
+	row := DB.QueryRow("SELECT id, username, password_hash FROM users WHERE username = ?", username)
+	u := &User{}
+	err := row.Scan(&u.ID, &u.Username, &u.PasswordHash)
+	if err != nil {
+		return nil, err
+	}
+	return u, nil
+}
+
+// create session token
+func CreateSession(userID int) (string, error) {
+	sessionID := uuid.New().String()
+	expiresAt := time.Now().Add(24 * time.Hour)
+
+	_, err := DB.Exec("INSERT INTO sessions (id, user_id, expires_at) VALUES (?, ?, ?)", sessionID, userID, expiresAt)
+	if err != nil {
+		return "", err
+	}
+	return sessionID, nil
+}
+
+// get user from session
+func GetUserFromSession(sessionID string) (*User, error) {
+	row := DB.QueryRow(`
+		SELECT u.id, u.username, u.password_hash
+		FROM users u
+		JOIN sessions s ON u.id = s.user_id
+		WHERE s.id = ? AND s.expires_at > ?
+	`, sessionID, time.Now())
+
+	u := &User{}
+	err := row.Scan(&u.ID, &u.Username, &u.PasswordHash)
+	if err != nil {
+		return nil, err
+	}
+	return u, nil
+}
+
+// delete session
+func DeleteSession(sessionID string) error {
+	_, err := DB.Exec("DELETE FROM sessions WHERE id = ?", sessionID)
+	return err
+}