342 lines
8.1 KiB
Go
342 lines
8.1 KiB
Go
package database
|
|
|
|
import (
|
|
"context"
|
|
"database/sql"
|
|
"time"
|
|
|
|
"github.com/google/uuid"
|
|
)
|
|
|
|
// ChatRepository provides access to chat data
|
|
type ChatRepository struct {
|
|
db *DB
|
|
}
|
|
|
|
// NewChatRepository creates a new chat repository
|
|
func NewChatRepository(db *DB) *ChatRepository {
|
|
return &ChatRepository{db: db}
|
|
}
|
|
|
|
// CreateMessage creates a new message
|
|
func (r *ChatRepository) CreateMessage(ctx context.Context, message *Message) error {
|
|
query := `
|
|
INSERT INTO messages (room_id, user_id, content, type, parent_id, is_edited, is_deleted, created_at, updated_at)
|
|
VALUES ($1, $2, $3, $4, $5, $6, $7, $8, $9)
|
|
RETURNING id
|
|
`
|
|
|
|
err := r.db.QueryRowContext(ctx, query,
|
|
message.RoomID,
|
|
message.UserID,
|
|
message.Content,
|
|
message.Type,
|
|
message.ParentID,
|
|
message.IsEdited,
|
|
message.IsDeleted,
|
|
message.CreatedAt,
|
|
message.UpdatedAt,
|
|
).Scan(&message.ID)
|
|
|
|
return err
|
|
}
|
|
|
|
// GetMessages retrieves messages for a room with pagination
|
|
func (r *ChatRepository) GetMessages(ctx context.Context, roomID uuid.UUID, page, limit int, beforeID *uuid.UUID) ([]*Message, error) {
|
|
var query string
|
|
var args []interface{}
|
|
|
|
if beforeID != nil {
|
|
query = `
|
|
SELECT id, room_id, user_id, content, type, parent_id, is_edited, is_deleted, created_at, updated_at
|
|
FROM messages
|
|
WHERE room_id = $1 AND id < $2 AND is_deleted = false
|
|
ORDER BY created_at DESC
|
|
LIMIT $3 OFFSET $4
|
|
`
|
|
args = []interface{}{roomID, *beforeID, limit, (page - 1) * limit}
|
|
} else {
|
|
query = `
|
|
SELECT id, room_id, user_id, content, type, parent_id, is_edited, is_deleted, created_at, updated_at
|
|
FROM messages
|
|
WHERE room_id = $1 AND is_deleted = false
|
|
ORDER BY created_at DESC
|
|
LIMIT $2 OFFSET $3
|
|
`
|
|
args = []interface{}{roomID, limit, (page - 1) * limit}
|
|
}
|
|
|
|
rows, err := r.db.QueryContext(ctx, query, args...)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
defer rows.Close()
|
|
|
|
var messages []*Message
|
|
for rows.Next() {
|
|
msg := &Message{}
|
|
err := rows.Scan(
|
|
&msg.ID,
|
|
&msg.RoomID,
|
|
&msg.UserID,
|
|
&msg.Content,
|
|
&msg.Type,
|
|
&msg.ParentID,
|
|
&msg.IsEdited,
|
|
&msg.IsDeleted,
|
|
&msg.CreatedAt,
|
|
&msg.UpdatedAt,
|
|
)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
messages = append(messages, msg)
|
|
}
|
|
|
|
return messages, nil
|
|
}
|
|
|
|
// GetMessageByID retrieves a message by ID
|
|
func (r *ChatRepository) GetMessageByID(ctx context.Context, messageID uuid.UUID) (*Message, error) {
|
|
query := `
|
|
SELECT id, room_id, user_id, content, type, parent_id, is_edited, is_deleted, created_at, updated_at
|
|
FROM messages
|
|
WHERE id = $1
|
|
`
|
|
|
|
msg := &Message{}
|
|
err := r.db.QueryRowContext(ctx, query, messageID).Scan(
|
|
&msg.ID,
|
|
&msg.RoomID,
|
|
&msg.UserID,
|
|
&msg.Content,
|
|
&msg.Type,
|
|
&msg.ParentID,
|
|
&msg.IsEdited,
|
|
&msg.IsDeleted,
|
|
&msg.CreatedAt,
|
|
&msg.UpdatedAt,
|
|
)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
return msg, nil
|
|
}
|
|
|
|
// UpdateMessage updates a message
|
|
func (r *ChatRepository) UpdateMessage(ctx context.Context, message *Message) error {
|
|
query := `
|
|
UPDATE messages
|
|
SET content = $2, is_edited = $3, is_deleted = $4, updated_at = $5
|
|
WHERE id = $1
|
|
`
|
|
|
|
_, err := r.db.ExecContext(ctx, query,
|
|
message.ID,
|
|
message.Content,
|
|
message.IsEdited,
|
|
message.IsDeleted,
|
|
message.UpdatedAt,
|
|
)
|
|
|
|
return err
|
|
}
|
|
|
|
// CreateReaction creates a new reaction
|
|
func (r *ChatRepository) CreateReaction(ctx context.Context, reaction *Reaction) error {
|
|
query := `
|
|
INSERT INTO reactions (message_id, user_id, emoji, created_at)
|
|
VALUES ($1, $2, $3, $4)
|
|
RETURNING id
|
|
`
|
|
|
|
err := r.db.QueryRowContext(ctx, query,
|
|
reaction.MessageID,
|
|
reaction.UserID,
|
|
reaction.Emoji,
|
|
reaction.CreatedAt,
|
|
).Scan(&reaction.ID)
|
|
|
|
return err
|
|
}
|
|
|
|
// DeleteReaction removes a reaction
|
|
func (r *ChatRepository) DeleteReaction(ctx context.Context, messageID, userID uuid.UUID, emoji string) error {
|
|
query := `DELETE FROM reactions WHERE message_id = $1 AND user_id = $2 AND emoji = $3`
|
|
_, err := r.db.ExecContext(ctx, query, messageID, userID, emoji)
|
|
return err
|
|
}
|
|
|
|
// CreateRoom creates a new room
|
|
func (r *ChatRepository) CreateRoom(ctx context.Context, room *Room) error {
|
|
query := `
|
|
INSERT INTO rooms (name, description, type, is_private, created_by, created_at, updated_at)
|
|
VALUES ($1, $2, $3, $4, $5, $6, $7)
|
|
RETURNING id
|
|
`
|
|
|
|
err := r.db.QueryRowContext(ctx, query,
|
|
room.Name,
|
|
room.Description,
|
|
room.Type,
|
|
room.IsPrivate,
|
|
room.CreatedBy,
|
|
room.CreatedAt,
|
|
room.UpdatedAt,
|
|
).Scan(&room.ID)
|
|
|
|
return err
|
|
}
|
|
|
|
// GetRooms retrieves available rooms for a user
|
|
func (r *ChatRepository) GetRooms(ctx context.Context, userID uuid.UUID, includePrivate bool) ([]*Room, error) {
|
|
var query string
|
|
if includePrivate {
|
|
query = `
|
|
SELECT DISTINCT r.id, r.name, r.description, r.type, r.is_private, r.created_by, r.created_at, r.updated_at
|
|
FROM rooms r
|
|
LEFT JOIN room_members rm ON r.id = rm.room_id
|
|
WHERE r.is_private = false OR rm.user_id = $1
|
|
ORDER BY r.created_at DESC
|
|
`
|
|
} else {
|
|
query = `
|
|
SELECT id, name, description, type, is_private, created_by, created_at, updated_at
|
|
FROM rooms
|
|
WHERE is_private = false
|
|
ORDER BY created_at DESC
|
|
`
|
|
}
|
|
|
|
var rows *sql.Rows
|
|
var err error
|
|
if includePrivate {
|
|
rows, err = r.db.QueryContext(ctx, query, userID)
|
|
} else {
|
|
rows, err = r.db.QueryContext(ctx, query)
|
|
}
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
defer rows.Close()
|
|
|
|
var rooms []*Room
|
|
for rows.Next() {
|
|
room := &Room{}
|
|
err := rows.Scan(
|
|
&room.ID,
|
|
&room.Name,
|
|
&room.Description,
|
|
&room.Type,
|
|
&room.IsPrivate,
|
|
&room.CreatedBy,
|
|
&room.CreatedAt,
|
|
&room.UpdatedAt,
|
|
)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
rooms = append(rooms, room)
|
|
}
|
|
|
|
return rooms, nil
|
|
}
|
|
|
|
// GetDirectMessageRoom retrieves or creates a DM room between two users
|
|
func (r *ChatRepository) GetDirectMessageRoom(ctx context.Context, userID1, userID2 uuid.UUID) (*Room, error) {
|
|
query := `
|
|
SELECT r.id, r.name, r.description, r.type, r.is_private, r.created_by, r.created_at, r.updated_at
|
|
FROM rooms r
|
|
JOIN room_members rm1 ON r.id = rm1.room_id
|
|
JOIN room_members rm2 ON r.id = rm2.room_id
|
|
WHERE r.type = 'dm'
|
|
AND rm1.user_id = $1 AND rm2.user_id = $2
|
|
LIMIT 1
|
|
`
|
|
|
|
room := &Room{}
|
|
err := r.db.QueryRowContext(ctx, query, userID1, userID2).Scan(
|
|
&room.ID,
|
|
&room.Name,
|
|
&room.Description,
|
|
&room.Type,
|
|
&room.IsPrivate,
|
|
&room.CreatedBy,
|
|
&room.CreatedAt,
|
|
&room.UpdatedAt,
|
|
)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
return room, nil
|
|
}
|
|
|
|
// AddUserToRoom adds a user to a room
|
|
func (r *ChatRepository) AddUserToRoom(ctx context.Context, roomID, userID uuid.UUID) error {
|
|
query := `
|
|
INSERT INTO room_members (room_id, user_id, joined_at)
|
|
VALUES ($1, $2, $3)
|
|
ON CONFLICT (room_id, user_id) DO NOTHING
|
|
`
|
|
|
|
_, err := r.db.ExecContext(ctx, query, roomID, userID, time.Now())
|
|
return err
|
|
}
|
|
|
|
// RemoveUserFromRoom removes a user from a room
|
|
func (r *ChatRepository) RemoveUserFromRoom(ctx context.Context, roomID, userID uuid.UUID) error {
|
|
query := `DELETE FROM room_members WHERE room_id = $1 AND user_id = $2`
|
|
_, err := r.db.ExecContext(ctx, query, roomID, userID)
|
|
return err
|
|
}
|
|
|
|
// GetRoomUserCount gets the number of users in a room
|
|
func (r *ChatRepository) GetRoomUserCount(ctx context.Context, roomID uuid.UUID) (int, error) {
|
|
query := `SELECT COUNT(*) FROM room_members WHERE room_id = $1`
|
|
var count int
|
|
err := r.db.QueryRowContext(ctx, query, roomID).Scan(&count)
|
|
return count, err
|
|
}
|
|
|
|
// SearchMessages searches for messages in a room
|
|
func (r *ChatRepository) SearchMessages(ctx context.Context, roomID uuid.UUID, query string, limit int) ([]*Message, error) {
|
|
sqlQuery := `
|
|
SELECT id, room_id, user_id, content, type, parent_id, is_edited, is_deleted, created_at, updated_at
|
|
FROM messages
|
|
WHERE room_id = $1 AND is_deleted = false AND content ILIKE $2
|
|
ORDER BY created_at DESC
|
|
LIMIT $3
|
|
`
|
|
|
|
searchPattern := "%" + query + "%"
|
|
rows, err := r.db.QueryContext(ctx, sqlQuery, roomID, searchPattern, limit)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
defer rows.Close()
|
|
|
|
var messages []*Message
|
|
for rows.Next() {
|
|
msg := &Message{}
|
|
err := rows.Scan(
|
|
&msg.ID,
|
|
&msg.RoomID,
|
|
&msg.UserID,
|
|
&msg.Content,
|
|
&msg.Type,
|
|
&msg.ParentID,
|
|
&msg.IsEdited,
|
|
&msg.IsDeleted,
|
|
&msg.CreatedAt,
|
|
&msg.UpdatedAt,
|
|
)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
messages = append(messages, msg)
|
|
}
|
|
|
|
return messages, nil
|
|
}
|