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111 lines
2.7 KiB
111 lines
2.7 KiB
package main
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import (
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"log"
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"strings"
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"io/fs"
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"fmt"
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"path/filepath"
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"os"
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"os/signal"
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"syscall"
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"github.com/gofiber/fiber/v2"
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"github.com/gofiber/fiber/v2/middleware/logger"
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"github.com/gofiber/template/html/v2"
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_ "github.com/mattn/go-sqlite3"
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recov "github.com/gofiber/fiber/v2/middleware/recover"
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"zedshaw.games/webapp/api"
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"zedshaw.games/webapp/data"
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)
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func Fail(err error, format string, v ...any) error {
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err_format := fmt.Sprintf("ERROR: %v; %s", err, format)
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log.Printf(err_format, v...)
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return err
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}
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func RenderPages(pages_path string, target string) {
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engine := html.New(pages_path, ".html")
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engine.Load()
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err := filepath.WalkDir(pages_path,
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func(path string, d fs.DirEntry, err error) error {
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if !d.IsDir() {
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if err != nil { return Fail(err, "path: %s", path); }
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dir := filepath.Dir(path)
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err = os.MkdirAll(dir, 0750)
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if err != nil {
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return Fail(err, "making dir %s", dir);
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}
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split_path := strings.Split(path, string(os.PathSeparator))[1:]
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source_name := strings.Join(split_path, "/") // Render wants / even on windows
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ext := filepath.Ext(source_name)
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template_name, found := strings.CutSuffix(source_name, ext)
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if found && ext == ".html" {
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prefixed_path := append([]string{target}, split_path...)
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target_path := filepath.Join(prefixed_path...)
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// compare time stamps and skip if not newer
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out, err := os.OpenFile(target_path, os.O_RDWR|os.O_CREATE, 0644)
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if err != nil { return Fail(err, "writing file %s", target_path) }
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err = engine.Render(out, template_name, fiber.Map{"Title": "Hello"})
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if err != nil { return Fail(err, "failed to render %s", path) }
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log.Printf("RENDER: %s -> %s", template_name, target_path)
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out.Close()
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}
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}
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return nil
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})
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if err != nil { log.Fatalf("can't walk content") }
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}
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func main() {
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log.SetFlags(log.LstdFlags | log.Lshortfile)
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engine := html.New("./views", ".html")
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app := fiber.New(fiber.Config{
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Views: engine,
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ViewsLayout: "layouts/main",
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CaseSensitive: true,
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StrictRouting: true,
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})
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RenderPages("./pages", "./public")
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app.Use(logger.New())
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app.Use(recov.New())
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api.Setup(app)
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data.Setup("sqlite3", "db.sqlite3")
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// this sets up graceful shutdown
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go func() {
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if err := app.Listen(":5001"); err != nil {
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log.Panic(err)
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}
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}()
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c := make(chan os.Signal, 1)
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signal.Notify(c, os.Interrupt, syscall.SIGINT, syscall.SIGTERM)
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_ = <-c
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log.Println("Shutdown now...")
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_ = app.Shutdown()
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api.Shutdown()
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data.Shutdown()
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log.Println("Done.")
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}
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