Initial commit: JustAMessenger v0.1.0

Серверная часть (Go): - WebSocket сервер с бинарным протоколом - XChaCha20-Poly1305 шифрование - zstd сжатие с дедупликацией (64KB чанки) - SQLite хранилище (WAL режим) - Управление гильдиями, каналами, ролями - Федерация между серверами (ed25519) - REST API + WebSocket endpoints Клиентская часть (Flutter): - Material Design 3 тёмная тема (Discord-like) - WebSocket соединение с сервером - Экраны: сплэш, логин, домашний, гильдии, чат - Модели: пользователи, гильдии, каналы, сообщения, роли - Сервисы: соединение, API, криптография, тема - Виджеты: иконки гильдий, сообщения, ввод чата - Web сборка (PWA) Документация: - AGENTS.md — контекст для ИИ ассистентов - docs/protocol.md — спецификация протокола
2026-06-06 22:39:14 +00:00
commit 096c4d0a2d
40 changed files with 5054 additions and 0 deletions
@@ -0,0 +1,135 @@
+package channel
+
+import (
+	"errors"
+
+	"github.com/google/uuid"
+	"github.com/justamessenger/server/internal/database"
+	"github.com/justamessenger/server/internal/models"
+)
+
+type Manager struct {
+	db *database.DB
+}
+
+func NewManager(db *database.DB) *Manager {
+	return &Manager{db: db}
+}
+
+func (m *Manager) Create(guildID, categoryID, name, channelType, topic string, position int) (*models.Channel, error) {
+	id := uuid.New().String()
+	_, err := m.db.Exec(
+		`INSERT INTO channels (id, guild_id, category_id, name, type, topic, position)
+		 VALUES (?, ?, ?, ?, ?, ?, ?)`,
+		id, guildID, categoryID, name, channelType, topic, position,
+	)
+	if err != nil {
+		return nil, err
+	}
+	return m.Get(id)
+}
+
+func (m *Manager) Get(id string) (*models.Channel, error) {
+	row := m.db.QueryRow(
+		`SELECT id, guild_id, category_id, name, type, topic, position, created_at
+		 FROM channels WHERE id = ?`, id,
+	)
+	c := &models.Channel{}
+	err := row.Scan(&c.ID, &c.GuildID, &c.Category, &c.Name, &c.Type, &c.Topic, &c.Position, &c.CreatedAt)
+	if err != nil {
+		return nil, err
+	}
+	return c, nil
+}
+
+func (m *Manager) ListByGuild(guildID string) ([]*models.Channel, error) {
+	rows, err := m.db.Query(
+		`SELECT id, guild_id, category_id, name, type, topic, position, created_at
+		 FROM channels WHERE guild_id = ? ORDER BY position`, guildID,
+	)
+	if err != nil {
+		return nil, err
+	}
+	defer rows.Close()
+
+	var channels []*models.Channel
+	for rows.Next() {
+		c := &models.Channel{}
+		if err := rows.Scan(&c.ID, &c.GuildID, &c.Category, &c.Name, &c.Type, &c.Topic, &c.Position, &c.CreatedAt); err != nil {
+			return nil, err
+		}
+		channels = append(channels, c)
+	}
+	return channels, nil
+}
+
+func (m *Manager) Update(id, name, topic string, position int) error {
+	result, err := m.db.Exec(
+		`UPDATE channels SET name = ?, topic = ?, position = ? WHERE id = ?`,
+		name, topic, position, id,
+	)
+	if err != nil {
+		return err
+	}
+	affected, _ := result.RowsAffected()
+	if affected == 0 {
+		return errors.New("channel not found")
+	}
+	return nil
+}
+
+func (m *Manager) Delete(id string) error {
+	result, err := m.db.Exec(`DELETE FROM channels WHERE id = ?`, id)
+	if err != nil {
+		return err
+	}
+	affected, _ := result.RowsAffected()
+	if affected == 0 {
+		return errors.New("channel not found")
+	}
+	return nil
+}
+
+func (m *Manager) CreateCategory(guildID, name string, position int) (string, error) {
+	id := uuid.New().String()
+	_, err := m.db.Exec(
+		`INSERT INTO categories (id, guild_id, name, position) VALUES (?, ?, ?, ?)`,
+		id, guildID, name, position,
+	)
+	if err != nil {
+		return "", err
+	}
+	return id, nil
+}
+
+func (m *Manager) ListCategories(guildID string) ([]*struct {
+	ID       string
+	Name     string
+	Position int
+}, error) {
+	rows, err := m.db.Query(
+		`SELECT id, name, position FROM categories WHERE guild_id = ? ORDER BY position`, guildID,
+	)
+	if err != nil {
+		return nil, err
+	}
+	defer rows.Close()
+
+	var cats []*struct {
+		ID       string
+		Name     string
+		Position int
+	}
+	for rows.Next() {
+		var c struct {
+			ID       string
+			Name     string
+			Position int
+		}
+		if err := rows.Scan(&c.ID, &c.Name, &c.Position); err != nil {
+			return nil, err
+		}
+		cats = append(cats, &c)
+	}
+	return cats, nil
+}