95 lines
2.2 KiB
Go
95 lines
2.2 KiB
Go
package main
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import (
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"context"
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"log"
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"net/http"
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"os"
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"os/signal"
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"syscall"
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"time"
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"github.com/gin-gonic/gin"
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"golang.org/x/time/rate"
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"tencent_ocr/pkg/config"
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"tencent_ocr/pkg/handler"
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"tencent_ocr/pkg/middleware"
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"tencent_ocr/pkg/service"
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)
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func main() {
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// Load configuration
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cfg, err := config.LoadConfig()
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if err != nil {
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log.Fatalf("Failed to load configuration: %v", err)
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}
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// Initialize services
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ocrService, err := service.NewOCRService(cfg.TencentSecretID, cfg.TencentSecretKey)
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if err != nil {
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log.Fatalf("Failed to initialize OCR service: %v", err)
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}
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defer ocrService.Close()
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geminiService, err := service.NewGeminiService(cfg.GeminiAPIKey)
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if err != nil {
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log.Fatalf("Failed to initialize Gemini service: %v", err)
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}
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defer geminiService.Close()
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uploadService, err := service.NewUploadService(
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cfg.R2AccessKey,
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cfg.R2SecretKey,
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cfg.R2Bucket,
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cfg.R2Endpoint,
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cfg.R2CustomDomain,
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)
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if err != nil {
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log.Fatalf("Failed to initialize upload service: %v", err)
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}
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defer uploadService.Close()
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// Initialize handlers
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ocrHandler := handler.NewOCRHandler(ocrService, geminiService)
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rateHandler := handler.NewRateHandler(geminiService)
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uploadHandler := handler.NewUploadHandler(uploadService, ocrService, geminiService)
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// Setup Gin router
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r := gin.Default()
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// Add middleware
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r.Use(middleware.APIKeyAuth(cfg.APIKey))
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r.Use(middleware.RateLimit(rate.Limit(10), 20)) // 10 requests per second with burst of 20
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// Register routes
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r.POST("/ocr", ocrHandler.HandleOCR)
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r.POST("/rate", rateHandler.HandleRate)
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r.POST("/upload", uploadHandler.HandleUpload)
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// Create server with graceful shutdown
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srv := &http.Server{
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Addr: "localhost:8080",
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Handler: r,
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}
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// Graceful shutdown
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go func() {
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quit := make(chan os.Signal, 1)
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signal.Notify(quit, syscall.SIGINT, syscall.SIGTERM)
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<-quit
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log.Println("Shutting down server...")
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ctx, cancel := context.WithTimeout(context.Background(), 5*time.Second)
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defer cancel()
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if err := srv.Shutdown(ctx); err != nil {
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log.Fatal("Server forced to shutdown:", err)
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}
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}()
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log.Println("Server starting on localhost:8080")
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if err := srv.ListenAndServe(); err != nil && err != http.ErrServerClosed {
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log.Fatalf("Failed to start server: %v", err)
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}
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} |