Files
cairnquire/apps/server/internal/collaboration/repository.go

343 lines
11 KiB
Go

package collaboration
import (
"context"
"database/sql"
"fmt"
"time"
)
type Repository struct {
db *sql.DB
}
func NewRepository(db *sql.DB) *Repository {
return &Repository{db: db}
}
// Comments
func (r *Repository) CreateComment(ctx context.Context, comment Comment) error {
_, err := r.db.ExecContext(ctx, `
INSERT INTO comments (id, document_id, version_hash, parent_id, author_id, content, anchor_hash, anchor_line, created_at, resolved_at, resolved_by)
VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?)
`, comment.ID, comment.DocumentID, comment.VersionHash, comment.ParentID, comment.AuthorID, comment.Content, comment.AnchorHash, comment.AnchorLine, formatTime(comment.CreatedAt), comment.ResolvedAt, comment.ResolvedBy)
if err != nil {
return fmt.Errorf("insert comment: %w", err)
}
return nil
}
func (r *Repository) GetComment(ctx context.Context, id string) (*Comment, error) {
var c Comment
var parentID, anchorHash sql.NullString
var anchorLine sql.NullInt64
var resolvedAt, resolvedBy sql.NullString
var createdAt string
err := r.db.QueryRowContext(ctx, `
SELECT c.id, c.document_id, c.version_hash, c.parent_id, c.author_id, COALESCE(u.display_name, u.email), c.content, c.anchor_hash, c.anchor_line, c.created_at, c.resolved_at, c.resolved_by
FROM comments c
JOIN users u ON u.id = c.author_id
WHERE c.id = ?
`, id).Scan(
&c.ID, &c.DocumentID, &c.VersionHash, &parentID, &c.AuthorID, &c.AuthorName,
&c.Content, &anchorHash, &anchorLine, &createdAt, &resolvedAt, &resolvedBy,
)
if err != nil {
return nil, err
}
c.ParentID = nullString(parentID.String)
c.AnchorHash = nullString(anchorHash.String)
if anchorLine.Valid {
c.AnchorLine = ptr(int(anchorLine.Int64))
}
c.CreatedAt, _ = parseTime(createdAt)
if resolvedAt.Valid && resolvedAt.String != "" {
t, _ := parseTime(resolvedAt.String)
c.ResolvedAt = &t
c.ResolvedBy = nullString(resolvedBy.String)
}
return &c, nil
}
func (r *Repository) ListCommentsByDocument(ctx context.Context, documentID string, includeResolved bool) ([]Comment, error) {
query := `
SELECT c.id, c.document_id, c.version_hash, c.parent_id, c.author_id, COALESCE(u.display_name, u.email), c.content, c.anchor_hash, c.anchor_line, c.created_at, c.resolved_at, c.resolved_by
FROM comments c
JOIN users u ON u.id = c.author_id
WHERE c.document_id = ?`
if !includeResolved {
query += ` AND c.resolved_at IS NULL`
}
query += ` ORDER BY c.created_at ASC`
rows, err := r.db.QueryContext(ctx, query, documentID)
if err != nil {
return nil, fmt.Errorf("list comments: %w", err)
}
defer rows.Close()
return scanComments(rows)
}
func (r *Repository) ListCommentsByAnchor(ctx context.Context, documentID string, anchorHash string, includeResolved bool) ([]Comment, error) {
query := `
SELECT c.id, c.document_id, c.version_hash, c.parent_id, c.author_id, COALESCE(u.display_name, u.email), c.content, c.anchor_hash, c.anchor_line, c.created_at, c.resolved_at, c.resolved_by
FROM comments c
JOIN users u ON u.id = c.author_id
WHERE c.document_id = ? AND c.anchor_hash = ?`
if !includeResolved {
query += ` AND c.resolved_at IS NULL`
}
query += ` ORDER BY c.created_at ASC`
rows, err := r.db.QueryContext(ctx, query, documentID, anchorHash)
if err != nil {
return nil, fmt.Errorf("list comments by anchor: %w", err)
}
defer rows.Close()
return scanComments(rows)
}
func (r *Repository) ResolveCommentThread(ctx context.Context, commentID string, userID string) error {
result, err := r.db.ExecContext(ctx, `
WITH RECURSIVE thread(id) AS (
SELECT id FROM comments WHERE id = ? AND parent_id IS NULL
UNION ALL
SELECT c.id FROM comments c JOIN thread t ON c.parent_id = t.id
)
UPDATE comments SET resolved_at = ?, resolved_by = ?
WHERE id IN (SELECT id FROM thread) AND resolved_at IS NULL
`, commentID, formatTime(time.Now().UTC()), userID)
if err != nil {
return fmt.Errorf("resolve comment thread: %w", err)
}
changed, err := result.RowsAffected()
if err != nil {
return fmt.Errorf("resolve comment thread result: %w", err)
}
if changed == 0 {
return fmt.Errorf("comment thread not found or already resolved")
}
return nil
}
func scanComments(rows *sql.Rows) ([]Comment, error) {
var comments []Comment
for rows.Next() {
var c Comment
var parentID, anchorHash sql.NullString
var anchorLine sql.NullInt64
var resolvedAt, resolvedBy sql.NullString
var createdAt string
if err := rows.Scan(
&c.ID, &c.DocumentID, &c.VersionHash, &parentID, &c.AuthorID, &c.AuthorName,
&c.Content, &anchorHash, &anchorLine, &createdAt, &resolvedAt, &resolvedBy,
); err != nil {
return nil, fmt.Errorf("scan comment: %w", err)
}
c.ParentID = nullString(parentID.String)
c.AnchorHash = nullString(anchorHash.String)
if anchorLine.Valid {
c.AnchorLine = ptr(int(anchorLine.Int64))
}
c.CreatedAt, _ = parseTime(createdAt)
if resolvedAt.Valid && resolvedAt.String != "" {
t, _ := parseTime(resolvedAt.String)
c.ResolvedAt = &t
c.ResolvedBy = nullString(resolvedBy.String)
}
comments = append(comments, c)
}
return comments, rows.Err()
}
// Notifications
func (r *Repository) CreateNotification(ctx context.Context, n Notification) error {
_, err := r.db.ExecContext(ctx, `
INSERT INTO notifications (id, user_id, type, resource_type, resource_id, message, read_at, emailed_at, created_at)
VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?)
`, n.ID, n.UserID, n.Type, n.ResourceType, n.ResourceID, n.Message, n.ReadAt, n.EmailedAt, formatTime(n.CreatedAt))
if err != nil {
return fmt.Errorf("insert notification: %w", err)
}
return nil
}
func (r *Repository) ListNotifications(ctx context.Context, userID string, unreadOnly bool, limit int) ([]Notification, error) {
query := `
SELECT id, user_id, type, resource_type, resource_id, message, read_at, emailed_at, created_at
FROM notifications
WHERE user_id = ?`
args := []any{userID}
if unreadOnly {
query += ` AND read_at IS NULL`
}
query += ` ORDER BY created_at DESC`
if limit > 0 {
query += ` LIMIT ?`
args = append(args, limit)
}
rows, err := r.db.QueryContext(ctx, query, args...)
if err != nil {
return nil, fmt.Errorf("list notifications: %w", err)
}
defer rows.Close()
var notifications []Notification
for rows.Next() {
var n Notification
var readAt, emailedAt sql.NullString
var createdAt string
if err := rows.Scan(&n.ID, &n.UserID, &n.Type, &n.ResourceType, &n.ResourceID, &n.Message, &readAt, &emailedAt, &createdAt); err != nil {
return nil, fmt.Errorf("scan notification: %w", err)
}
if readAt.Valid && readAt.String != "" {
t, _ := parseTime(readAt.String)
n.ReadAt = &t
}
if emailedAt.Valid && emailedAt.String != "" {
t, _ := parseTime(emailedAt.String)
n.EmailedAt = &t
}
n.CreatedAt, _ = parseTime(createdAt)
notifications = append(notifications, n)
}
return notifications, rows.Err()
}
func (r *Repository) CountUnreadNotifications(ctx context.Context, userID string) (int, error) {
var count int
err := r.db.QueryRowContext(ctx, `
SELECT COUNT(*) FROM notifications WHERE user_id = ? AND read_at IS NULL
`, userID).Scan(&count)
if err != nil {
return 0, fmt.Errorf("count unread notifications: %w", err)
}
return count, nil
}
func (r *Repository) MarkNotificationRead(ctx context.Context, notificationID string, userID string) error {
_, err := r.db.ExecContext(ctx, `
UPDATE notifications SET read_at = ? WHERE id = ? AND user_id = ?
`, formatTime(time.Now().UTC()), notificationID, userID)
if err != nil {
return fmt.Errorf("mark notification read: %w", err)
}
return nil
}
func (r *Repository) MarkAllNotificationsRead(ctx context.Context, userID string) error {
_, err := r.db.ExecContext(ctx, `
UPDATE notifications SET read_at = ? WHERE user_id = ? AND read_at IS NULL
`, formatTime(time.Now().UTC()), userID)
if err != nil {
return fmt.Errorf("mark all notifications read: %w", err)
}
return nil
}
// Watchers
func (r *Repository) AddWatcher(ctx context.Context, w Watcher) error {
if (w.DocumentID == nil) == (w.FolderPath == nil) {
return fmt.Errorf("watcher requires exactly one target")
}
_, err := r.db.ExecContext(ctx, `
INSERT OR IGNORE INTO watchers (user_id, document_id, folder_path, created_at)
VALUES (?, ?, ?, ?)
`, w.UserID, w.DocumentID, w.FolderPath, formatTime(w.CreatedAt))
if err != nil {
return fmt.Errorf("add watcher: %w", err)
}
return nil
}
func (r *Repository) RemoveWatcher(ctx context.Context, userID string, documentID *string, folderPath *string) error {
_, err := r.db.ExecContext(ctx, `
DELETE FROM watchers WHERE user_id = ? AND document_id IS ? AND folder_path IS ?
`, userID, documentID, folderPath)
if err != nil {
return fmt.Errorf("remove watcher: %w", err)
}
return nil
}
func (r *Repository) ListWatchersByDocument(ctx context.Context, documentID string) ([]Watcher, error) {
rows, err := r.db.QueryContext(ctx, `
SELECT user_id, document_id, folder_path, created_at
FROM watchers
WHERE document_id = ?
`, documentID)
if err != nil {
return nil, fmt.Errorf("list document watchers: %w", err)
}
defer rows.Close()
return scanWatchers(rows)
}
func (r *Repository) ListWatchersByFolder(ctx context.Context, documentPath string) ([]Watcher, error) {
rows, err := r.db.QueryContext(ctx, `
SELECT user_id, document_id, folder_path, created_at
FROM watchers
WHERE folder_path = '' OR folder_path || '/' = substr(?, 1, length(folder_path) + 1)
`, documentPath)
if err != nil {
return nil, fmt.Errorf("list folder watchers: %w", err)
}
defer rows.Close()
return scanWatchers(rows)
}
func (r *Repository) ListWatchersForDocument(ctx context.Context, documentID string) ([]Watcher, error) {
rows, err := r.db.QueryContext(ctx, `
SELECT DISTINCT w.user_id, w.document_id, w.folder_path, w.created_at
FROM watchers w
JOIN documents d ON d.id = ?
WHERE w.document_id = d.id
OR (w.folder_path IS NOT NULL AND (
w.folder_path = ''
OR w.folder_path || '/' = substr(d.path, 1, length(w.folder_path) + 1)
))
`, documentID)
if err != nil {
return nil, fmt.Errorf("list watchers for document: %w", err)
}
defer rows.Close()
return scanWatchers(rows)
}
func (r *Repository) IsWatching(ctx context.Context, userID string, documentID string) (bool, error) {
var count int
err := r.db.QueryRowContext(ctx, `
SELECT COUNT(*) FROM watchers WHERE user_id = ? AND document_id = ?
`, userID, documentID).Scan(&count)
if err != nil {
return false, fmt.Errorf("check watching: %w", err)
}
return count > 0, nil
}
func scanWatchers(rows *sql.Rows) ([]Watcher, error) {
var watchers []Watcher
for rows.Next() {
var w Watcher
var docID, folderPath sql.NullString
var createdAt string
if err := rows.Scan(&w.UserID, &docID, &folderPath, &createdAt); err != nil {
return nil, fmt.Errorf("scan watcher: %w", err)
}
w.DocumentID = nullString(docID.String)
w.FolderPath = nullString(folderPath.String)
w.CreatedAt, _ = parseTime(createdAt)
watchers = append(watchers, w)
}
return watchers, rows.Err()
}