feat: some updates

server/internal/handlers/get.go

@@ -0,0 +1,93 @@
+package handlers
+
+import (
+	"errors"
+	"fmt"
+	"net/http"
+	"os"
+	"path/filepath"
+	"time"
+
+	"git.max-richter.dev/max/marka/server/internal/fsx"
+	"git.max-richter.dev/max/marka/server/internal/httpx"
+)
+
+func (h *File) get(w http.ResponseWriter, r *http.Request, target string) {
+	fi, err := os.Stat(target)
+	if err != nil {
+		if os.IsNotExist(err) {
+			httpx.WriteError(w, http.StatusNotFound, errors.New("not found"))
+		} else {
+			httpx.WriteError(w, http.StatusInternalServerError, err)
+		}
+		return
+	}
+
+	if fi.IsDir() {
+		h.handleDir(w, r, target)
+	} else {
+		h.handleFile(w, r, target, fi)
+	}
+}
+
+func (h *File) handleDir(w http.ResponseWriter, r *http.Request, dirPath string) {
+	entries, err := os.ReadDir(dirPath)
+	if err != nil {
+		httpx.WriteError(w, http.StatusInternalServerError, err)
+		return
+	}
+
+	type item struct {
+		Name    string    `json:"name"`
+		Path    string    `json:"path"`
+		Content any       `json:"content,omitempty"`
+		IsDir   bool      `json:"isDir"`
+		Size    int64     `json:"size"`
+		ModTime time.Time `json:"modTime"`
+	}
+
+	out := make([]item, 0, len(entries))
+	for _, e := range entries {
+		info, _ := e.Info() // As in original, ignore error to get partial info
+		entryPath := filepath.Join(dirPath, e.Name())
+
+		var content any
+		if !e.IsDir() && fsx.ContentTypeFor(e.Name()) == "application/markdown" {
+			content, _ = parseMarkdownFile(entryPath) // As in original, ignore error
+		}
+
+		out = append(out, item{
+			Name:    e.Name(),
+			Path:    fsx.ResponsePath(h.root, entryPath),
+			IsDir:   e.IsDir(),
+			Content: content,
+			Size:    sizeOrZero(info),
+			ModTime: modTimeOrZero(info),
+		})
+	}
+	httpx.WriteJSON(w, http.StatusOK, out)
+}
+
+func (h *File) handleFile(w http.ResponseWriter, r *http.Request, target string, fi os.FileInfo) {
+	contentType := fsx.ContentTypeFor(target)
+
+	if contentType == "application/markdown" {
+		res, err := parseMarkdownFile(target)
+		if err != nil {
+			httpx.WriteError(w, http.StatusInternalServerError, fmt.Errorf("failed to parse markdown: %w", err))
+			return
+		}
+		httpx.WriteJSON(w, http.StatusOK, res)
+		return
+	}
+
+	f, err := os.Open(target)
+	if err != nil {
+		httpx.WriteError(w, http.StatusInternalServerError, err)
+		return
+	}
+	defer f.Close()
+
+	w.Header().Set("Content-Type", contentType)
+	http.ServeContent(w, r, filepath.Base(target), fi.ModTime(), f)
+}