Init: generated with claude-sonnet-4

2025-08-08 11:13:35 +03:00
commit 40e207bdb2
10 changed files with 723 additions and 0 deletions
--- a/.gitignore
+++ b/.gitignore
@@ -0,0 +1,51 @@
+# Binaries for programs and plugins
+*.exe
+*.exe~
+*.dll
+*.so
+*.dylib
+
+# Test binary, built with `go test -c`
+*.test
+
+# Output of the go coverage tool, specifically when used with LiteIDE
+*.out
+
+# Dependency directories (remove the comment below to include it)
+# vendor/
+
+# Go workspace file
+go.work
+
+# Database files
+data/transcriber.db
+data/transcriber.db-shm
+data/transcriber.db-wal
+
+# Uploaded files
+data/files/*
+!data/files/.gitkeep
+
+# IDE files
+.vscode/
+.idea/
+*.swp
+*.swo
+*~
+
+# OS generated files
+.DS_Store
+.DS_Store?
+._*
+.Spotlight-V100
+.Trashes
+ehthumbs.db
+Thumbs.db
+
+# Log files
+*.log
+
+# Environment files
+.env
+.env.local
+.env.*.local
--- a/README.md
+++ b/README.md
@@ -0,0 +1,146 @@
+# Transcriber Service
+
+Сервис для расшифровки аудиозаписей с REST API.
+
+## Возможности
+
+- Загрузка аудиофайлов любого формата
+- Автоматическая генерация UUID для файлов
+- Сохранение файлов на диск
+- Отслеживание статуса задач расшифровки
+- SQLite база данных для хранения метаданных
+
+## Технологии
+
+- **Веб-фреймворк**: gin-gonic/gin
+- **SQL Builder**: doug-martin/goqu
+- **Миграции БД**: pressly/goose
+- **База данных**: SQLite
+- **UUID**: google/uuid
+
+## Установка и запуск
+
+1. Клонируйте репозиторий
+2. Установите зависимости:
+   ```bash
+   go mod tidy
+   ```
+3. Запустите приложение:
+   ```bash
+   go run main.go
+   ```
+
+Сервер запустится на порту 8080.
+
+## API Endpoints
+
+### POST /api/transcribe
+
+Загружает аудиофайл и создает задачу на расшифровку.
+
+**Параметры:**
+- `audio` (form-data) - аудиофайл для расшифровки
+
+**Пример запроса:**
+```bash
+curl -X POST \
+  http://localhost:8080/api/transcribe \
+  -F "audio=@/path/to/your/audio.mp3"
+```
+
+**Ответ:**
+```json
+{
+  "job_id": "550e8400-e29b-41d4-a716-446655440000",
+  "file_id": "6ba7b810-9dad-11d1-80b4-00c04fd430c8",
+  "status": "pending"
+}
+```
+
+### GET /api/transcribe/:id
+
+Получает статус задачи расшифровки по ID.
+
+**Пример запроса:**
+```bash
+curl http://localhost:8080/api/transcribe/550e8400-e29b-41d4-a716-446655440000
+```
+
+**Ответ:**
+```json
+{
+  "id": "550e8400-e29b-41d4-a716-446655440000",
+  "status": "pending",
+  "file_id": "6ba7b810-9dad-11d1-80b4-00c04fd430c8",
+  "created_at": "2024-01-01T12:00:00Z",
+  "updated_at": "2024-01-01T12:00:00Z"
+}
+```
+
+### GET /health
+
+Проверка работоспособности сервиса.
+
+**Ответ:**
+```json
+{
+  "status": "ok",
+  "message": "Transcriber service is running"
+}
+```
+
+## Статусы задач
+
+- `pending` - задача создана, ожидает обработки
+- `processing` - задача выполняется
+- `completed` - задача завершена успешно
+- `failed` - задача завершена с ошибкой
+
+## Структура проекта
+
+```
+transcriber/
+├── main.go                 # Точка входа приложения
+├── go.mod                  # Зависимости Go
+├── models/
+│   └── models.go          # Модели данных
+├── database/
+│   └── database.go        # Слой работы с БД
+├── handlers/
+│   └── transcribe.go      # HTTP обработчики
+├── migrations/
+│   ├── 001_create_files_table.sql
+│   └── 002_create_transcribe_jobs_table.sql
+└── data/
+    ├── files/             # Директория для сохранения файлов
+    └── transcriber.db     # SQLite база данных (создается автоматически)
+```
+
+## База данных
+
+### Таблица `files`
+- `id` (TEXT) - UUID файла
+- `type` (TEXT) - MIME-тип файла
+- `size` (INTEGER) - размер файла в байтах
+- `created_at` (DATETIME) - время создания
+
+### Таблица `transcribe_jobs`
+- `id` (TEXT) - UUID задачи
+- `status` (TEXT) - статус задачи
+- `file_id` (TEXT) - ссылка на файл
+- `created_at` (DATETIME) - время создания
+- `updated_at` (DATETIME) - время последнего обновления
+
+## Разработка
+
+Для добавления новых миграций используйте goose:
+
+```bash
+# Создание новой миграции
+goose -dir migrations create migration_name sql
+
+# Применение миграций
+goose -dir migrations sqlite3 data/transcriber.db up
+
+# Откат миграций
+goose -dir migrations sqlite3 data/transcriber.db down
--- a/database/database.go
+++ b/database/database.go
@@ -0,0 +1,117 @@
+package database
+
+import (
+	"database/sql"
+	"fmt"
+	"log"
+
+	"git.vakhrushev.me/av/transcriber/models"
+	"github.com/doug-martin/goqu/v9"
+	_ "github.com/doug-martin/goqu/v9/dialect/sqlite3"
+	_ "github.com/mattn/go-sqlite3"
+	"github.com/pressly/goose/v3"
+)
+
+type DB struct {
+	conn *sql.DB
+	gq   *goqu.Database
+}
+
+func New(dbPath string) (*DB, error) {
+	conn, err := sql.Open("sqlite3", dbPath)
+	if err != nil {
+		return nil, fmt.Errorf("failed to open database: %w", err)
+	}
+
+	if err := conn.Ping(); err != nil {
+		return nil, fmt.Errorf("failed to ping database: %w", err)
+	}
+
+	gq := goqu.New("sqlite3", conn)
+
+	db := &DB{
+		conn: conn,
+		gq:   gq,
+	}
+
+	return db, nil
+}
+
+func (db *DB) RunMigrations(migrationsDir string) error {
+	if err := goose.SetDialect("sqlite3"); err != nil {
+		return fmt.Errorf("failed to set goose dialect: %w", err)
+	}
+
+	if err := goose.Up(db.conn, migrationsDir); err != nil {
+		return fmt.Errorf("failed to run migrations: %w", err)
+	}
+
+	log.Println("Migrations completed successfully")
+	return nil
+}
+
+func (db *DB) Close() error {
+	return db.conn.Close()
+}
+
+func (db *DB) CreateFile(file *models.File) error {
+	query := db.gq.Insert("files").Rows(file)
+	sql, args, err := query.ToSQL()
+	if err != nil {
+		return fmt.Errorf("failed to build query: %w", err)
+	}
+
+	_, err = db.conn.Exec(sql, args...)
+	if err != nil {
+		return fmt.Errorf("failed to insert file: %w", err)
+	}
+
+	return nil
+}
+
+func (db *DB) CreateTranscribeJob(job *models.TranscribeJob) error {
+	query := db.gq.Insert("transcribe_jobs").Rows(job)
+	sql, args, err := query.ToSQL()
+	if err != nil {
+		return fmt.Errorf("failed to build query: %w", err)
+	}
+
+	_, err = db.conn.Exec(sql, args...)
+	if err != nil {
+		return fmt.Errorf("failed to insert transcribe job: %w", err)
+	}
+
+	return nil
+}
+
+func (db *DB) GetFileByID(id string) (*models.File, error) {
+	query := db.gq.From("files").Where(goqu.C("id").Eq(id))
+	sql, args, err := query.ToSQL()
+	if err != nil {
+		return nil, fmt.Errorf("failed to build query: %w", err)
+	}
+
+	var file models.File
+	err = db.conn.QueryRow(sql, args...).Scan(&file.ID, &file.Type, &file.Size, &file.CreatedAt)
+	if err != nil {
+		return nil, fmt.Errorf("failed to get file: %w", err)
+	}
+
+	return &file, nil
+}
+
+func (db *DB) GetTranscribeJobByID(id string) (*models.TranscribeJob, error) {
+	query := db.gq.From("transcribe_jobs").Where(goqu.C("id").Eq(id))
+	sql, args, err := query.ToSQL()
+	if err != nil {
+		return nil, fmt.Errorf("failed to build query: %w", err)
+	}
+
+	var job models.TranscribeJob
+	err = db.conn.QueryRow(sql, args...).Scan(&job.ID, &job.Status, &job.FileID, &job.CreatedAt, &job.UpdatedAt)
+	if err != nil {
+		return nil, fmt.Errorf("failed to get transcribe job: %w", err)
+	}
+
+	return &job, nil
+}
--- a/go.mod
+++ b/go.mod
@@ -0,0 +1,40 @@
+module git.vakhrushev.me/av/transcriber
+
+go 1.24.5
+
+require (
+	github.com/doug-martin/goqu/v9 v9.19.0
+	github.com/gin-gonic/gin v1.10.1
+	github.com/google/uuid v1.4.0
+	github.com/mattn/go-sqlite3 v1.14.17
+	github.com/pressly/goose/v3 v3.15.1
+)
+
+require (
+	github.com/bytedance/sonic v1.11.6 // indirect
+	github.com/bytedance/sonic/loader v0.1.1 // indirect
+	github.com/cloudwego/base64x v0.1.4 // indirect
+	github.com/cloudwego/iasm v0.2.0 // indirect
+	github.com/gabriel-vasile/mimetype v1.4.3 // indirect
+	github.com/gin-contrib/sse v0.1.0 // indirect
+	github.com/go-playground/locales v0.14.1 // indirect
+	github.com/go-playground/universal-translator v0.18.1 // indirect
+	github.com/go-playground/validator/v10 v10.20.0 // indirect
+	github.com/goccy/go-json v0.10.2 // indirect
+	github.com/json-iterator/go v1.1.12 // indirect
+	github.com/klauspost/cpuid/v2 v2.2.7 // indirect
+	github.com/leodido/go-urn v1.4.0 // indirect
+	github.com/mattn/go-isatty v0.0.20 // indirect
+	github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd // indirect
+	github.com/modern-go/reflect2 v1.0.2 // indirect
+	github.com/pelletier/go-toml/v2 v2.2.2 // indirect
+	github.com/twitchyliquid64/golang-asm v0.15.1 // indirect
+	github.com/ugorji/go/codec v1.2.12 // indirect
+	golang.org/x/arch v0.8.0 // indirect
+	golang.org/x/crypto v0.23.0 // indirect
+	golang.org/x/net v0.25.0 // indirect
+	golang.org/x/sys v0.20.0 // indirect
+	golang.org/x/text v0.15.0 // indirect
+	google.golang.org/protobuf v1.34.1 // indirect
+	gopkg.in/yaml.v3 v3.0.1 // indirect
+)
--- a/go.sum
+++ b/go.sum
@@ -0,0 +1,144 @@
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--- a/handlers/transcribe.go
+++ b/handlers/transcribe.go
@@ -0,0 +1,118 @@
+package handlers
+
+import (
+	"fmt"
+	"io"
+	"net/http"
+	"os"
+	"path/filepath"
+	"time"
+
+	"git.vakhrushev.me/av/transcriber/database"
+	"git.vakhrushev.me/av/transcriber/models"
+	"github.com/gin-gonic/gin"
+	"github.com/google/uuid"
+)
+
+type TranscribeHandler struct {
+	db *database.DB
+}
+
+func NewTranscribeHandler(db *database.DB) *TranscribeHandler {
+	return &TranscribeHandler{db: db}
+}
+
+type TranscribeResponse struct {
+	JobID  string `json:"job_id"`
+	FileID string `json:"file_id"`
+	Status string `json:"status"`
+}
+
+func (h *TranscribeHandler) UploadAndTranscribe(c *gin.Context) {
+	// Получаем файл из формы
+	file, header, err := c.Request.FormFile("audio")
+	if err != nil {
+		c.JSON(http.StatusBadRequest, gin.H{"error": "No audio file provided"})
+		return
+	}
+	defer file.Close()
+
+	// Генерируем UUID для файла
+	fileID := uuid.New().String()
+
+	// Определяем расширение файла
+	ext := filepath.Ext(header.Filename)
+	if ext == "" {
+		ext = ".audio" // fallback если расширение не определено
+	}
+
+	// Создаем путь для сохранения файла
+	fileName := fmt.Sprintf("%s%s", fileID, ext)
+	filePath := filepath.Join("data", "files", fileName)
+
+	// Создаем файл на диске
+	dst, err := os.Create(filePath)
+	if err != nil {
+		c.JSON(http.StatusInternalServerError, gin.H{"error": "Failed to create file"})
+		return
+	}
+	defer dst.Close()
+
+	// Копируем содержимое загруженного файла
+	size, err := io.Copy(dst, file)
+	if err != nil {
+		c.JSON(http.StatusInternalServerError, gin.H{"error": "Failed to save file"})
+		return
+	}
+
+	// Создаем запись в таблице files
+	fileRecord := &models.File{
+		ID:        fileID,
+		Type:      header.Header.Get("Content-Type"),
+		Size:      size,
+		CreatedAt: time.Now(),
+	}
+
+	if err := h.db.CreateFile(fileRecord); err != nil {
+		// Удаляем файл если не удалось создать запись в БД
+		os.Remove(filePath)
+		c.JSON(http.StatusInternalServerError, gin.H{"error": "Failed to save file record"})
+		return
+	}
+
+	// Создаем запись в таблице transcribe_jobs
+	jobID := uuid.New().String()
+	job := &models.TranscribeJob{
+		ID:        jobID,
+		Status:    models.StatusPending,
+		FileID:    fileID,
+		CreatedAt: time.Now(),
+		UpdatedAt: time.Now(),
+	}
+
+	if err := h.db.CreateTranscribeJob(job); err != nil {
+		c.JSON(http.StatusInternalServerError, gin.H{"error": "Failed to create transcribe job"})
+		return
+	}
+
+	// Возвращаем успешный ответ
+	response := TranscribeResponse{
+		JobID:  jobID,
+		FileID: fileID,
+		Status: models.StatusPending,
+	}
+
+	c.JSON(http.StatusCreated, response)
+}
+
+func (h *TranscribeHandler) GetJobStatus(c *gin.Context) {
+	jobID := c.Param("id")
+
+	job, err := h.db.GetTranscribeJobByID(jobID)
+	if err != nil {
+		c.JSON(http.StatusNotFound, gin.H{"error": "Job not found"})
+		return
+	}
+
+	c.JSON(http.StatusOK, job)
+}
--- a/main.go
+++ b/main.go
@@ -0,0 +1,58 @@
+package main
+
+import (
+	"log"
+	"os"
+
+	"git.vakhrushev.me/av/transcriber/database"
+	"git.vakhrushev.me/av/transcriber/handlers"
+	"github.com/gin-gonic/gin"
+)
+
+func main() {
+	// Создаем директории если они не существуют
+	if err := os.MkdirAll("data/files", 0755); err != nil {
+		log.Fatal("Failed to create data/files directory:", err)
+	}
+
+	// Инициализируем базу данных
+	db, err := database.New("data/transcriber.db")
+	if err != nil {
+		log.Fatal("Failed to initialize database:", err)
+	}
+	defer db.Close()
+
+	// Запускаем миграции
+	if err := db.RunMigrations("migrations"); err != nil {
+		log.Fatal("Failed to run migrations:", err)
+	}
+
+	// Создаем Gin роутер
+	r := gin.Default()
+
+	// Инициализируем обработчики
+	transcribeHandler := handlers.NewTranscribeHandler(db)
+
+	// Настраиваем роуты
+	api := r.Group("/api")
+	{
+		api.POST("/transcribe", transcribeHandler.UploadAndTranscribe)
+		api.GET("/transcribe/:id", transcribeHandler.GetJobStatus)
+	}
+
+	// Добавляем middleware для обработки больших файлов
+	r.MaxMultipartMemory = 32 << 20 // 32 MiB
+
+	// Добавляем базовый роут для проверки работоспособности
+	r.GET("/health", func(c *gin.Context) {
+		c.JSON(200, gin.H{
+			"status":  "ok",
+			"message": "Transcriber service is running",
+		})
+	})
+
+	log.Println("Starting server on :8080")
+	if err := r.Run(":8080"); err != nil {
+		log.Fatal("Failed to start server:", err)
+	}
+}
--- a/migrations/001_create_files_table.sql
+++ b/migrations/001_create_files_table.sql
@@ -0,0 +1,10 @@
+-- +goose Up
+CREATE TABLE files (
+    id TEXT PRIMARY KEY,
+    type TEXT NOT NULL,
+    size INTEGER NOT NULL,
+    created_at DATETIME DEFAULT CURRENT_TIMESTAMP
+);
+
+-- +goose Down
+DROP TABLE files;
--- a/migrations/002_create_transcribe_jobs_table.sql
+++ b/migrations/002_create_transcribe_jobs_table.sql
@@ -0,0 +1,12 @@
+-- +goose Up
+CREATE TABLE transcribe_jobs (
+    id TEXT PRIMARY KEY,
+    status TEXT NOT NULL DEFAULT 'pending',
+    file_id TEXT NOT NULL,
+    created_at DATETIME DEFAULT CURRENT_TIMESTAMP,
+    updated_at DATETIME DEFAULT CURRENT_TIMESTAMP,
+    FOREIGN KEY (file_id) REFERENCES files(id)
+);
+
+-- +goose Down
+DROP TABLE transcribe_jobs;
--- a/models/models.go
+++ b/models/models.go
@@ -0,0 +1,27 @@
+package models
+
+import (
+	"time"
+)
+
+type File struct {
+	ID        string    `db:"id" json:"id"`
+	Type      string    `db:"type" json:"type"`
+	Size      int64     `db:"size" json:"size"`
+	CreatedAt time.Time `db:"created_at" json:"created_at"`
+}
+
+type TranscribeJob struct {
+	ID        string    `db:"id" json:"id"`
+	Status    string    `db:"status" json:"status"`
+	FileID    string    `db:"file_id" json:"file_id"`
+	CreatedAt time.Time `db:"created_at" json:"created_at"`
+	UpdatedAt time.Time `db:"updated_at" json:"updated_at"`
+}
+
+const (
+	StatusPending    = "pending"
+	StatusProcessing = "processing"
+	StatusCompleted  = "completed"
+	StatusFailed     = "failed"
+)