Fix FUSE attachment sizes and item filenames

docspell_client.go

@@ -137,6 +137,30 @@ func (c *DocspellClient) GetItem(ctx context.Context, id string) (*SearchItem, e
 	return &out, nil
 }
 
+func (c *DocspellClient) AttachmentSize(ctx context.Context, id string) (int64, error) {
+	req, err := http.NewRequestWithContext(ctx, http.MethodHead, c.url("/api/v1/sec/attachment/"+url.PathEscape(id)), nil)
+	if err != nil {
+		return 0, err
+	}
+	if c.Token != "" {
+		req.Header.Set(c.AuthHeader, c.Token)
+	}
+	httpClient := c.HTTPClient
+	if httpClient == nil {
+		httpClient = http.DefaultClient
+	}
+	resp, err := httpClient.Do(req)
+	if err != nil {
+		return 0, err
+	}
+	defer resp.Body.Close()
+	if resp.StatusCode < 200 || resp.StatusCode >= 300 {
+		body, _ := io.ReadAll(resp.Body)
+		return 0, fmt.Errorf("%s %s: %s: %s", req.Method, req.URL, resp.Status, strings.TrimSpace(string(body)))
+	}
+	return resp.ContentLength, nil
+}
+
 func (c *DocspellClient) DownloadAttachment(ctx context.Context, id string) ([]byte, error) {
 	return c.doBytes(ctx, http.MethodGet, "/api/v1/sec/attachment/"+url.PathEscape(id), nil)
 }
@@ -179,7 +203,11 @@ func (c *DocspellClient) do(req *http.Request) ([]byte, error) {
 	if c.Token != "" {
 		req.Header.Set(c.AuthHeader, c.Token)
 	}
-	resp, err := c.HTTPClient.Do(req)
+	httpClient := c.HTTPClient
+	if httpClient == nil {
+		httpClient = http.DefaultClient
+	}
+	resp, err := httpClient.Do(req)
 	if err != nil {
 		return nil, err
 	}