Refactor everything that's used all over into a common/ package and sync files from static/ into public/ so that public's not in the git.

common/api.go

@@ -0,0 +1,42 @@
+package common
+
+import (
+  "log"
+  "github.com/gofiber/fiber/v2"
+   "github.com/go-playground/validator/v10"
+)
+
+type Failure struct {
+	Message string `json:"message"`
+}
+
+func IfErrNil(err error, c *fiber.Ctx) error {
+	if err != nil {
+		log.Output(10, err.Error())
+		c.SendStatus(fiber.StatusInternalServerError)
+		return c.JSON(Failure{err.Error()})
+	}
+
+	return err
+}
+
+func ReceivePost[T any](c *fiber.Ctx) (*T, error) {
+  var result *T
+  result = new(T)
+
+  if err := c.BodyParser(result); err != nil {
+    log.Println(err);
+    return result, err
+  }
+
+  var validate *validator.Validate
+  validate = validator.New(validator.WithRequiredStructEnabled())
+
+  if err := validate.Struct(result); err != nil {
+    validationErrors := err.(validator.ValidationErrors)
+    log.Println(validationErrors)
+    return result, err
+  }
+
+  return result, nil
+}

common/errors.go

@@ -0,0 +1,12 @@
+package common
+
+import (
+  "log"
+  "fmt"
+)
+
+func Fail(err error, format string, v ...any) error {
+  err_format := fmt.Sprintf("ERROR: %v; %s", err, format)
+  log.Printf(err_format, v...)
+  return err
+}

common/web.go

@@ -0,0 +1,64 @@
+package common
+
+import (
+  "log"
+  "strings"
+  "io/fs"
+  "path/filepath"
+  "os"
+  "github.com/gofiber/fiber/v2"
+  "github.com/gofiber/template/html/v2"
+)
+
+func RenderPages(pages_path string, target string, layout string) {
+  engine := html.New(pages_path, ".html")
+  engine.Load()
+
+  err := filepath.WalkDir(pages_path,
+    func(path string, d fs.DirEntry, err error) error  {
+      if !d.IsDir() {
+        if err != nil { return Fail(err, "path: %s", path); }
+
+        dir := filepath.Dir(path)
+        err = os.MkdirAll(dir, 0750)
+        if err != nil {
+          return Fail(err, "making dir %s", dir);
+        }
+
+        split_path := strings.Split(path, string(os.PathSeparator))[1:]
+        source_name := strings.Join(split_path, "/")  // Render wants / even on windows
+        ext := filepath.Ext(source_name)
+        template_name, found := strings.CutSuffix(source_name, ext)
+
+        if found && ext == ".html" && template_name != layout {
+          prefixed_path := append([]string{target}, split_path...)
+
+          target_path := filepath.Join(prefixed_path...)
+          _, err := os.Stat(target_path)
+
+          if os.IsNotExist(err) {
+            target_dir := filepath.Dir(target_path)
+            log.Println("MAKING: ", target_dir)
+            os.MkdirAll(target_dir, 0750)
+          }
+
+          // TODO: compare time stamps and skip if not newer
+
+          out, err := os.OpenFile(target_path, os.O_RDWR|os.O_CREATE|os.O_TRUNC, 0644)
+          if err != nil { return Fail(err, "writing file %s", target_path) }
+
+          // generate a data-testid for all pages based on template name
+          page_id := strings.ReplaceAll(template_name, "/", "-") + "-page"
+          err = engine.Render(out, template_name, fiber.Map{"PageId": page_id}, layout)
+          if err != nil { return Fail(err, "failed to render %s", path) }
+
+          log.Printf("RENDER: %s -> %s", template_name, target_path)
+          out.Close()
+        }
+      }
+
+      return nil
+    })
+
+  if err != nil { log.Fatalf("can't walk content") }
+}