rewrite server module

modules/server/dirs.go

@@ -0,0 +1,80 @@
+package server
+
+import (
+	"fes/modules/ui"
+	"fmt"
+	"os"
+	"path/filepath"
+	"strings"
+)
+
+/* performs relavent handling based on the directory passaed
+ *
+ * Special directories
+ *  - www/     <= contains lua routes.
+ *  - static/  <= static content accessable at /static/path or /static/dir/path.
+ *  - include/ <= globally accessable lua functions, cannot directly access "fes" right now.
+ *  - archive/ <= contains user facing files such as archives or dists.
+ *
+ */
+func handleDir(entries []os.DirEntry, dir string, routes map[string]string, base string, isStatic bool) error {
+	for _, entry := range entries {
+		path := filepath.Join(dir, entry.Name())
+		if entry.IsDir() {
+			nextBase := joinBase(base, entry.Name())
+			subEntries, err := os.ReadDir(path)
+			if err != nil {
+				return fmt.Errorf("failed to read directory %s: %w", path, err)
+			}
+			if err := handleDir(subEntries, path, routes, nextBase, isStatic); err != nil {
+				return err
+			}
+			continue
+		}
+		route := joinBase(base, entry.Name())
+		if !isStatic && strings.HasSuffix(entry.Name(), ".lua") {
+			name := strings.TrimSuffix(entry.Name(), ".lua")
+			if name == "index" {
+				routes[basePath(base)] = path
+				routes[route] = path
+				continue
+			}
+			route = joinBase(base, name)
+		} else if !isStatic && strings.HasSuffix(entry.Name(), ".md") {
+			name := strings.TrimSuffix(entry.Name(), ".md")
+			if name == "index" {
+				routes[basePath(base)] = path
+				routes[route] = path
+				continue
+			}
+			route = joinBase(base, name)
+		}
+		routes[route] = path
+	}
+	return nil
+}
+
+/* helper to load all special directories */
+func loadDirs() map[string]string {
+	routes := make(map[string]string)
+
+	if entries, err := os.ReadDir("www"); err == nil {
+		if err := handleDir(entries, "www", routes, "", false); err != nil {
+			ui.Warning("failed to handle www directory", err)
+		}
+	}
+
+	if entries, err := os.ReadDir("static"); err == nil {
+		if err := handleDir(entries, "static", routes, "/static", true); err != nil {
+			ui.Warning("failed to handle static directory", err)
+		}
+	}
+
+	if entries, err := os.ReadDir("archive"); err == nil {
+		if err := handleDir(entries, "archive", routes, "/archive", true); err != nil {
+			ui.Warning("failed to handle archive directory", err)
+		}
+	}
+
+	return routes
+}