diff options
Diffstat (limited to 'backend/cmd_serve.go')
| -rw-r--r-- | backend/cmd_serve.go | 234 |
1 files changed, 0 insertions, 234 deletions
diff --git a/backend/cmd_serve.go b/backend/cmd_serve.go deleted file mode 100644 index f7b99ca..0000000 --- a/backend/cmd_serve.go +++ /dev/null @@ -1,234 +0,0 @@ -package main - -import ( - "context" - "database/sql" - "embed" - "fmt" - "log" - "net/http" - "os" - "os/signal" - "syscall" - "time" - - "github.com/99designs/gqlgen/graphql/handler" - "github.com/99designs/gqlgen/graphql/handler/extension" - "github.com/99designs/gqlgen/graphql/handler/lru" - "github.com/99designs/gqlgen/graphql/handler/transport" - "github.com/hashicorp/go-multierror" - "github.com/labstack/echo-contrib/session" - "github.com/labstack/echo/v4" - "github.com/labstack/echo/v4/middleware" - "github.com/mmcdole/gofeed" - "github.com/vektah/gqlparser/v2/ast" - - "undef.ninja/x/feedaka/auth" - "undef.ninja/x/feedaka/config" - "undef.ninja/x/feedaka/db" - "undef.ninja/x/feedaka/graphql" - "undef.ninja/x/feedaka/graphql/resolver" -) - -var ( - //go:embed public/* - publicFS embed.FS -) - -func fetchOneFeed(feedID int64, url string, ctx context.Context, queries *db.Queries) error { - log.Printf("Fetching %s...\n", url) - fp := gofeed.NewParser() - ctx, cancel := context.WithTimeout(ctx, 10*time.Second) - defer cancel() - feed, err := fp.ParseURLWithContext(url, ctx) - if err != nil { - return fmt.Errorf("Failed to fetch %s: %v\n", url, err) - } - err = queries.UpdateFeedMetadata(ctx, db.UpdateFeedMetadataParams{ - Title: feed.Title, - FetchedAt: time.Now().UTC().Format(time.RFC3339), - ID: feedID, - }) - if err != nil { - return err - } - guids, err := queries.GetArticleGUIDsByFeed(ctx, feedID) - if err != nil { - return err - } - existingArticleGUIDs := make(map[string]bool) - for _, guid := range guids { - existingArticleGUIDs[guid] = true - } - for _, item := range feed.Items { - if existingArticleGUIDs[item.GUID] { - err := queries.UpdateArticle(ctx, db.UpdateArticleParams{ - Title: item.Title, - Url: item.Link, - FeedID: feedID, - Guid: item.GUID, - }) - if err != nil { - return err - } - } else { - _, err := queries.CreateArticle(ctx, db.CreateArticleParams{ - FeedID: feedID, - Guid: item.GUID, - Title: item.Title, - Url: item.Link, - IsRead: 0, - }) - if err != nil { - return err - } - } - } - return nil -} - -func listFeedsToBeFetched(ctx context.Context, queries *db.Queries) (map[int64]string, error) { - feeds, err := queries.GetFeedsToFetch(ctx) - if err != nil { - return nil, err - } - - result := make(map[int64]string) - for _, feed := range feeds { - fetchedAtTime, err := time.Parse(time.RFC3339, feed.FetchedAt) - if err != nil { - log.Fatal(err) - } - now := time.Now().UTC() - if now.Sub(fetchedAtTime).Minutes() <= 10 { - continue - } - result[feed.ID] = feed.Url - } - return result, nil -} - -func fetchAllFeeds(ctx context.Context, queries *db.Queries) error { - feeds, err := listFeedsToBeFetched(ctx, queries) - if err != nil { - return err - } - - var result *multierror.Error - for feedID, url := range feeds { - err := fetchOneFeed(feedID, url, ctx, queries) - if err != nil { - result = multierror.Append(result, err) - } - time.Sleep(5 * time.Second) - } - return result.ErrorOrNil() -} - -func scheduled(ctx context.Context, d time.Duration, fn func()) { - ticker := time.NewTicker(d) - go func() { - for { - select { - case <-ticker.C: - fn() - case <-ctx.Done(): - return - } - } - }() -} - -func runServe(database *sql.DB, cfg *config.Config) { - err := db.ValidateSchemaVersion(database) - if err != nil { - log.Fatal(err) - } - - queries := db.New(database) - - sessionConfig := auth.NewSessionConfig(cfg.SessionSecret, cfg.DevNonSecureCookie) - - e := echo.New() - - e.Use(middleware.Logger()) - e.Use(middleware.Recover()) - e.Use(middleware.CORS()) - e.Use(session.Middleware(sessionConfig.GetStore())) - - e.Use(middleware.StaticWithConfig(middleware.StaticConfig{ - HTML5: true, - Root: "public", - Filesystem: http.FS(publicFS), - })) - - // Setup GraphQL server - srv := handler.New(graphql.NewExecutableSchema(graphql.Config{Resolvers: &resolver.Resolver{ - DB: database, - Queries: queries, - SessionConfig: sessionConfig, - }})) - - srv.AddTransport(transport.Options{}) - srv.AddTransport(transport.GET{}) - srv.AddTransport(transport.POST{}) - - srv.SetQueryCache(lru.New[*ast.QueryDocument](1000)) - - srv.Use(extension.Introspection{}) - srv.Use(extension.AutomaticPersistedQuery{ - Cache: lru.New[string](100), - }) - - // GraphQL endpoints with authentication middleware - graphqlGroup := e.Group("/graphql") - graphqlGroup.Use(auth.SessionAuthMiddleware(sessionConfig)) - graphqlGroup.POST("", func(c echo.Context) error { - // Add Echo context to GraphQL context - ctx := context.WithValue(c.Request().Context(), "echo", c) - req := c.Request().WithContext(ctx) - srv.ServeHTTP(c.Response(), req) - return nil - }) - graphqlGroup.GET("", func(c echo.Context) error { - // Add Echo context to GraphQL context - ctx := context.WithValue(c.Request().Context(), "echo", c) - req := c.Request().WithContext(ctx) - srv.ServeHTTP(c.Response(), req) - return nil - }) - - ctx, cancel := context.WithCancel(context.Background()) - defer cancel() - scheduled(ctx, 1*time.Hour, func() { - err := fetchAllFeeds(ctx, queries) - if err != nil { - log.Printf("Failed to fetch feeds: %v\n", err) - } - }) - - // Setup graceful shutdown - go func() { - sigChan := make(chan os.Signal, 1) - signal.Notify(sigChan, syscall.SIGINT, syscall.SIGTERM) - <-sigChan - - log.Println("Shutting down server...") - cancel() - - // Give time for graceful shutdown - shutdownCtx, shutdownCancel := context.WithTimeout(context.Background(), 10*time.Second) - defer shutdownCancel() - - if err := e.Shutdown(shutdownCtx); err != nil { - log.Printf("Error during shutdown: %v\n", err) - } - }() - - log.Printf("Server starting on port %s...\n", cfg.Port) - err = e.Start(":" + cfg.Port) - if err != nil && err != http.ErrServerClosed { - log.Printf("Server error: %v\n", err) - } - log.Println("Server stopped") -} |
