From 2a4c795d5a165f995e9f7dc84e07465b140f3770 Mon Sep 17 00:00:00 2001 From: Alan Pearce Date: Sat, 27 Apr 2024 21:18:03 +0200 Subject: implement live-reloading dev server Squashed commit of the following: commit 02f077432202af4d633eb2cad81dfdaa6921317f Author: Alan Pearce Date: Sat Apr 27 21:09:14 2024 +0200 builder: only remove output directory if set and in dev mode commit 47001e01c55fa6e74aafeda04ebc3e4e7c47eba0 Author: Alan Pearce Date: Sat Apr 27 21:03:37 2024 +0200 implement live reload on dev server commit 411ec969f61e4b73439f1c54ea29f75135ecc618 Author: Alan Pearce Date: Sat Apr 27 20:59:26 2024 +0200 server: implement graceful shutdown commit 5400132eb6eb1b638e0b3fd4265f51611c92d473 Author: Alan Pearce Date: Sat Apr 27 20:41:07 2024 +0200 add some debug logs commit 3c9b678197c044603950232d222f501ef74d7873 Author: Alan Pearce Date: Sat Apr 27 20:39:09 2024 +0200 prefix log output with executable name commit 300e24c179e390e9d3f5aeab4471c97f17f1fa64 Author: Alan Pearce Date: Sat Apr 27 20:29:42 2024 +0200 don't panic inside internal packages, return error instead commit fe2715d330402ad67fe866471bed89c7238ad2ec Author: Alan Pearce Date: Fri Apr 26 01:18:29 2024 +0200 config: use a table to configure CSP headers commit d012553aaf78a436fa8871830b5d720a9e292d4b Author: Alan Pearce Date: Thu Apr 25 17:13:39 2024 +0200 dev: create basic dev server to build and serve from a temporary directory commit a1d11d3e69650d9b43ca1b1d7b7ccc05a808d5c1 Author: Alan Pearce Date: Thu Apr 25 13:02:22 2024 +0200 remove unused redirect_other_hostnames config option commit fd67b19b5c7f76f0c3579e8a05ef20a618e90be7 Author: Alan Pearce Date: Thu Apr 25 12:58:53 2024 +0200 server: make port a string, which is what go uses commit c798e8e736c0649008cade337158399470a9099b Author: Alan Pearce Date: Thu Apr 25 12:58:33 2024 +0200 config: remove unused port variable commit f94882b9001f3b0855e26b26b4a84b96e3deb22b Author: Alan Pearce Date: Thu Apr 25 12:49:10 2024 +0200 re-organise module layout --- internal/builder/builder.go | 197 ++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 197 insertions(+) create mode 100644 internal/builder/builder.go (limited to 'internal/builder/builder.go') diff --git a/internal/builder/builder.go b/internal/builder/builder.go new file mode 100644 index 0000000..88e3f02 --- /dev/null +++ b/internal/builder/builder.go @@ -0,0 +1,197 @@ +package builder + +import ( + "fmt" + "io" + "log" + "log/slog" + "net/url" + "os" + "path" + "slices" + + "website/internal/config" + + cp "github.com/otiai10/copy" + "github.com/pkg/errors" +) + +type IOConfig struct { + Source string `conf:"default:.,short:s,flag:src"` + Destination string `conf:"default:website,short:d,flag:dest"` + BaseURL config.URL + Development bool `conf:"default:false,flag:dev"` +} + +func mkdirp(dirs ...string) error { + return os.MkdirAll(path.Join(dirs...), 0755) +} + +func outputToFile(output io.Reader, filename ...string) error { + slog.Debug(fmt.Sprintf("outputting file %s", path.Join(filename...))) + file, err := os.OpenFile(path.Join(filename...), os.O_WRONLY|os.O_CREATE, 0644) + if err != nil { + return errors.WithMessage(err, "could not open output file") + } + defer file.Close() + + if _, err := file.ReadFrom(output); err != nil { + return errors.WithMessage(err, "could not write output file") + } + return nil +} + +func build(outDir string, config config.Config) error { + slog.Debug(fmt.Sprintf("output directory %s", outDir)) + privateDir := path.Join(outDir, "private") + if err := mkdirp(privateDir); err != nil { + return errors.WithMessage(err, "could not create private directory") + } + publicDir := path.Join(outDir, "public") + if err := mkdirp(publicDir); err != nil { + return errors.WithMessage(err, "could not create public directory") + } + + err := cp.Copy("static", publicDir, cp.Options{ + PreserveTimes: true, + PermissionControl: cp.AddPermission(0755), + }) + if err != nil { + return errors.WithMessage(err, "could not copy static files") + } + + if err := mkdirp(publicDir, "post"); err != nil { + return errors.WithMessage(err, "could not create post output directory") + } + slog.Debug("reading posts") + posts, tags, err := readPosts("content", "post", publicDir) + if err != nil { + return err + } + + for _, post := range posts { + if err := mkdirp(publicDir, "post", post.Basename); err != nil { + return errors.WithMessage(err, "could not create directory for post") + } + slog.Debug("rendering post", "post", post.Basename) + output, err := renderPost(post, config) + if err != nil { + return errors.WithMessagef(err, "could not render post %s", post.Input) + } + if err := outputToFile(output, post.Output); err != nil { + return err + } + } + + if err := mkdirp(publicDir, "tags"); err != nil { + return errors.WithMessage(err, "could not create directory for tags") + } + slog.Debug("rendering tags list") + output, err := renderTags(tags, config, "/tags") + if err != nil { + return errors.WithMessage(err, "could not render tags") + } + if err := outputToFile(output, publicDir, "tags", "index.html"); err != nil { + return err + } + + for _, tag := range tags.ToSlice() { + matchingPosts := []Post{} + for _, post := range posts { + if slices.Contains(post.Taxonomies.Tags, tag) { + matchingPosts = append(matchingPosts, post) + } + } + if err := mkdirp(publicDir, "tags", tag); err != nil { + return errors.WithMessage(err, "could not create directory") + } + slog.Debug("rendering tags page", "tag", tag) + output, err := renderListPage(tag, config, matchingPosts, "/tags/"+tag) + if err != nil { + return errors.WithMessage(err, "could not render tag page") + } + if err := outputToFile(output, publicDir, "tags", tag, "index.html"); err != nil { + return err + } + + slog.Debug("rendering tags feed", "tag", tag) + output, err = renderFeed(fmt.Sprintf("%s - %s", config.Title, tag), config, matchingPosts, tag) + if err != nil { + return errors.WithMessage(err, "could not render tag feed page") + } + if err := outputToFile(output, publicDir, "tags", tag, "atom.xml"); err != nil { + return err + } + } + + slog.Debug("rendering list page") + listPage, err := renderListPage("", config, posts, "/post") + if err != nil { + return errors.WithMessage(err, "could not render list page") + } + if err := outputToFile(listPage, publicDir, "post", "index.html"); err != nil { + return err + } + + slog.Debug("rendering feed") + feed, err := renderFeed(config.Title, config, posts, "feed") + if err != nil { + return errors.WithMessage(err, "could not render feed") + } + if err := outputToFile(feed, publicDir, "atom.xml"); err != nil { + return err + } + + slog.Debug("rendering feed styles") + feedStyles, err := renderFeedStyles() + if err != nil { + return errors.WithMessage(err, "could not render feed styles") + } + if err := outputToFile(feedStyles, publicDir, "feed-styles.xsl"); err != nil { + return err + } + + slog.Debug("rendering homepage") + homePage, err := renderHomepage(config, posts, "/") + if err != nil { + return errors.WithMessage(err, "could not render homepage") + } + if err := outputToFile(homePage, publicDir, "index.html"); err != nil { + return err + } + + slog.Debug("rendering 404 page") + notFound, err := render404(config, "/404.html") + if err != nil { + return errors.WithMessage(err, "could not render 404 page") + } + if err := outputToFile(notFound, privateDir, "404.html"); err != nil { + return err + } + + return nil +} + +func BuildSite(ioConfig IOConfig) error { + config, err := config.GetConfig() + if err != nil { + log.Panic(errors.Errorf("could not get config: %v", err)) + } + config.InjectLiveReload = ioConfig.Development + + if ioConfig.BaseURL.URL != nil { + config.BaseURL.URL, err = url.Parse(ioConfig.BaseURL.String()) + if err != nil { + log.Panic(errors.Errorf("highly unlikely: %v", err)) + } + } + + if ioConfig.Development && ioConfig.Destination != "website" { + err = os.RemoveAll(ioConfig.Destination) + if err != nil { + log.Panic(errors.Errorf("could not remove destination directory: %v", err)) + } + } + + return build(ioConfig.Destination, *config) +} -- cgit 1.4.1