let f request =
% begin match Dream.session "nick" request with
% | None ->
  <a href="/login">Login</a> to make a new thread.
% | Some _nick ->
  <script type="text/javascript" src="/assets/js/js_newthread.js" defer="defer"></script>
  <h1>New thread</h1>
  <div id="newthread">
      Click the map to make a new thread:
  </div>
  <br />
  <div class="row mb-3">
    <div class="col-md-6">
      <div id="map"></div>
      <br />
      <button class="btn btn-primary" onclick="geolocalize()">Geolocalize me</button>
    </div>
    <div class="col-md-6" id="newthread-form">
      <div class="postForm">
<%s! Dream.form_tag ~action:"/babillard/new_thread" ~enctype:`Multipart_form_data request %>
          <input type="hidden" id="lat_input" name="lat_input">
          <input type="hidden" id="lng_input" name="lng_input">

          <label for="subject" id="subjectLabel" class="form-label">Subject</label>
          <input name="subject" type="text" class="form-control" id="subject" aria-labelledby="subjectLabel"></input>

          <label for="threadComment" id="threadCommentLabel" class="form-label">Comment</label>
          <textarea name="threadComment" type="text" class="form-control" id="threadComment" aria-labelledby="threadCommentLabel"></textarea>

          <label for="tags" id="tagsLabel" class="form-label">Tags</label>
          <input name="tags" type="text" class="form-control" id="tags" aria-labelledby="tagsLabel"></input>

          <label for="file" id="fileLabel" class="form-label">Picture:</label>
          <input id="file" name="file" aria-describedby="fileLabel" type="file" accept="image/*">

          <label for="alt" id="altLabel" class="form-label">Image description:</label>
          <input name="alt" type="text" class="form-control" id="alt" aria-labelledby="altLabel"></input>
          <button type="submit" class="btn btn-primary">Make Thread</button>
        </form>
      </div>
    </div>
  </div>
% end;