165 lines
3.6 KiB
Go
165 lines
3.6 KiB
Go
package store
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import (
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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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type Store struct{
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db *sql.DB
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}
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func NewStore(databaseUrl string) (*Store, 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 &Store{db: db}, nil
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}
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func (s *Store) Close() error {
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return s.db.Close()
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}
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func (s *Store) 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 *Store) 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, 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.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 *Store) 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 *Store) 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 *Store) 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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