294 lines
9.0 KiB
Go
294 lines
9.0 KiB
Go
package store
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import (
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"context"
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"database/sql"
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"fmt"
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"time"
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"github.com/M1ngdaXie/realtime-collab/internal/models"
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"github.com/google/uuid"
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_ "github.com/lib/pq" // PostgreSQL driver
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)
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// Store interface defines all database operations
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type Store interface {
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// Document operations
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CreateDocument(name string, docType models.DocumentType) (*models.Document, error)
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CreateDocumentWithOwner(name string, docType models.DocumentType, ownerID *uuid.UUID) (*models.Document, error) // ADD THIS
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GetDocument(id uuid.UUID) (*models.Document, error)
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ListDocuments() ([]models.Document, error)
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ListUserDocuments(ctx context.Context, userID uuid.UUID) ([]models.Document, error) // ADD THIS
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UpdateDocumentState(id uuid.UUID, state []byte) error
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DeleteDocument(id uuid.UUID) error
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// User operations
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UpsertUser(ctx context.Context, provider, providerUserID, email, name string, avatarURL *string) (*models.User, error)
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GetUserByID(ctx context.Context, userID uuid.UUID) (*models.User, error)
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GetUserByEmail(ctx context.Context, email string) (*models.User, error)
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// Session operations
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CreateSession(ctx context.Context, userID uuid.UUID, sessionID uuid.UUID, token string, expiresAt time.Time, userAgent, ipAddress *string) (*models.Session, error)
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GetSessionByToken(ctx context.Context, token string) (*models.Session, error)
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DeleteSession(ctx context.Context, token string) error
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CleanupExpiredSessions(ctx context.Context) error
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// Share operations
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CreateDocumentShare(ctx context.Context, documentID, userID uuid.UUID, permission string, createdBy *uuid.UUID) (*models.DocumentShare, bool, error)
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ListDocumentShares(ctx context.Context, documentID uuid.UUID) ([]models.DocumentShareWithUser, error)
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DeleteDocumentShare(ctx context.Context, documentID, userID uuid.UUID) error
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CanViewDocument(ctx context.Context, documentID, userID uuid.UUID) (bool, error)
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CanEditDocument(ctx context.Context, documentID, userID uuid.UUID) (bool, error)
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IsDocumentOwner(ctx context.Context, documentID, userID uuid.UUID) (bool, error)
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GenerateShareToken(ctx context.Context, documentID uuid.UUID, permission string) (string, error)
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ValidateShareToken(ctx context.Context, documentID uuid.UUID, token string) (bool, error)
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RevokeShareToken(ctx context.Context, documentID uuid.UUID) error
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GetShareToken(ctx context.Context, documentID uuid.UUID) (string, bool, error)
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GetUserPermission(ctx context.Context, documentID, userID uuid.UUID) (string, error)
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GetShareLinkPermission(ctx context.Context, documentID uuid.UUID) (string, error)
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Close() error
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}
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type PostgresStore struct {
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db *sql.DB
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}
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func NewPostgresStore(databaseUrl string) (*PostgresStore, error) {
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db, error := sql.Open("postgres", databaseUrl)
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if error != nil {
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return nil, error
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}
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if err := db.Ping(); err != nil {
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return nil, fmt.Errorf("failed to ping database: %w", err)
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}
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db.SetMaxOpenConns(25)
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db.SetMaxIdleConns(5)
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db.SetConnMaxLifetime(5 * time.Minute)
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return &PostgresStore{db: db}, nil
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}
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func (s *PostgresStore) Close() error {
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return s.db.Close()
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}
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func (s *PostgresStore) CreateDocument(name string, docType models.DocumentType) (*models.Document, error) {
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doc := &models.Document{
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ID: uuid.New(),
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Name: name,
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Type: docType,
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YjsState: []byte{},
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CreatedAt: time.Now(),
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UpdatedAt: time.Now(),
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}
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query := `
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INSERT INTO documents (id, name, type, created_at, updated_at)
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VALUES ($1, $2, $3, $4, $5)
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RETURNING id, name, type, created_at, updated_at
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`
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err := s.db.QueryRow(query,
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doc.ID,
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doc.Name,
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doc.Type,
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doc.CreatedAt,
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doc.UpdatedAt,
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).Scan(&doc.ID, &doc.Name, &doc.Type, &doc.CreatedAt, &doc.UpdatedAt)
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if err != nil {
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return nil, fmt.Errorf("failed to create document: %w", err)
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}
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return doc, nil
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}
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// GetDocument retrieves a document by ID
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func (s *PostgresStore) GetDocument(id uuid.UUID) (*models.Document, error) {
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doc := &models.Document{}
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query := `
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SELECT id, name, type, yjs_state, owner_id, is_public, created_at, updated_at
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FROM documents
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WHERE id = $1
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`
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err := s.db.QueryRow(query, id).Scan(
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&doc.ID,
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&doc.Name,
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&doc.Type,
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&doc.YjsState,
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&doc.OwnerID,
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&doc.Is_Public,
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&doc.CreatedAt,
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&doc.UpdatedAt,
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)
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if err == sql.ErrNoRows {
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return nil, fmt.Errorf("document not found")
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}
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if err != nil {
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return nil, fmt.Errorf("failed to get document: %w", err)
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}
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return doc, nil
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}
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// ListDocuments retrieves all documents
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func (s *PostgresStore) ListDocuments() ([]models.Document, error) {
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query := `
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SELECT id, name, type, created_at, updated_at
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FROM documents
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ORDER BY created_at DESC
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`
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rows, err := s.db.Query(query)
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if err != nil {
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return nil, fmt.Errorf("failed to list documents: %w", err)
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}
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defer rows.Close()
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var documents []models.Document
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for rows.Next() {
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var doc models.Document
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err := rows.Scan(&doc.ID, &doc.Name, &doc.Type, &doc.CreatedAt, &doc.UpdatedAt)
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if err != nil {
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return nil, fmt.Errorf("failed to scan document: %w", err)
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}
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documents = append(documents, doc)
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}
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return documents, nil
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}
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func (s *PostgresStore) UpdateDocumentState(id uuid.UUID, state []byte) error {
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query := `
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UPDATE documents
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SET yjs_state = $1, updated_at = $2
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WHERE id = $3
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`
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result, err := s.db.Exec(query, state, time.Now(), id)
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if err != nil {
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return fmt.Errorf("failed to update document state: %w", err)
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}
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rowsAffected, err := result.RowsAffected()
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if err != nil {
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return fmt.Errorf("failed to get rows affected: %w", err)
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}
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if rowsAffected == 0 {
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return fmt.Errorf("document not found")
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}
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return nil
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}
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func (s *PostgresStore) DeleteDocument(id uuid.UUID) error {
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query := `DELETE FROM documents WHERE id = $1`
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result, err := s.db.Exec(query, id)
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if err != nil {
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return fmt.Errorf("failed to delete document: %w", err)
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}
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rowsAffected, err := result.RowsAffected()
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if err != nil {
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return fmt.Errorf("failed to get rows affected: %w", err)
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}
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if rowsAffected == 0 {
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return fmt.Errorf("document not found")
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}
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return nil
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}
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// CreateDocumentWithOwner creates a new document with owner
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func (s *PostgresStore) CreateDocumentWithOwner(name string, docType models.DocumentType, ownerID *uuid.UUID) (*models.Document, error) {
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// 1. 检查 docType 是否为空，或者是否合法 (防止 check constraint 报错)
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if docType == "" {
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docType = models.DocumentTypeEditor // Default to editor instead of invalid "text"
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}
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// Validate that docType is one of the allowed values
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if docType != models.DocumentTypeEditor && docType != models.DocumentTypeKanban {
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return nil, fmt.Errorf("invalid document type: %s (must be 'editor' or 'kanban')", docType)
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}
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doc := &models.Document{
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ID: uuid.New(),
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Name: name,
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Type: docType,
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YjsState: []byte{}, // 这里初始化了空字节
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OwnerID: ownerID,
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Is_Public: false, // 显式设置默认值
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CreatedAt: time.Now(),
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UpdatedAt: time.Now(),
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}
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// 2. 补全了 yjs_state 和 is_public
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query := `
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INSERT INTO documents (id, name, type, owner_id, yjs_state, is_public, created_at, updated_at)
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VALUES ($1, $2, $3, $4, $5, $6, $7, $8)
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RETURNING id, name, type, owner_id, yjs_state, is_public, created_at, updated_at
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`
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// 3. Scan 的时候也要对应加上
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err := s.db.QueryRow(query,
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doc.ID,
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doc.Name,
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doc.Type,
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doc.OwnerID,
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doc.YjsState, // $5
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doc.Is_Public, // $6
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doc.CreatedAt,
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doc.UpdatedAt,
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).Scan(
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&doc.ID,
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&doc.Name,
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&doc.Type,
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&doc.OwnerID,
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&doc.YjsState, // Scan 回来
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&doc.Is_Public, // Scan 回来
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&doc.CreatedAt,
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&doc.UpdatedAt,
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)
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if err != nil {
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return nil, fmt.Errorf("failed to create document: %w", err)
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}
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return doc, nil
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}
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// ListUserDocuments lists documents owned by or shared with a user
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func (s *PostgresStore) ListUserDocuments(ctx context.Context, userID uuid.UUID) ([]models.Document, error) {
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query := `
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SELECT DISTINCT d.id, d.name, d.type, d.owner_id, d.is_public, d.created_at, d.updated_at
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FROM documents d
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LEFT JOIN document_shares ds ON d.id = ds.document_id
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WHERE d.owner_id = $1 OR ds.user_id = $1
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ORDER BY d.created_at DESC
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`
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rows, err := s.db.QueryContext(ctx, query, userID)
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if err != nil {
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return nil, fmt.Errorf("failed to list user documents: %w", err)
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}
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defer rows.Close()
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var documents []models.Document
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for rows.Next() {
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var doc models.Document
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// Note: yjs_state is NOT included in list to avoid performance issues
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err := rows.Scan(&doc.ID, &doc.Name, &doc.Type, &doc.OwnerID, &doc.Is_Public, &doc.CreatedAt, &doc.UpdatedAt)
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if err != nil {
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return nil, fmt.Errorf("failed to scan document: %w", err)
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}
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documents = append(documents, doc)
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}
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return documents, nil
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}
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