function hasToken() {
  return false;}

function request(with_token,type,url,data,success_fct,cancel_fct,decompose_error) {

  if(decompose_error === undefined) {
    decompose_error = true;
  }
  if(with_token && !hasToken()) {
    if(cancel_fct) {
      cancel_fct([]);
    }
  }
  else {
    var arg = {
      type: type,
      url: '/api/' + url,
      headers: {'Content-Type': 'application/json'},

      success: function (json) {
        if(success_fct) {
          success_fct(json);
        }
      },
      error: function (jqXHR) {
        if(cancel_fct) {
          if(decompose_error) {
            let response_array = [];

            if(jqXHR.responseJSON) {

              for (var key in jqXHR.responseJSON) {
                 if (jqXHR.responseJSON.hasOwnProperty(key)) {
                   if(Array.isArray(jqXHR.responseJSON[key])) {
                     jqXHR.responseJSON[key].forEach(function(msg) {
                       response_array.push(msg);
                     });
                   }
                   else {
                     response_array.push(jqXHR.responseJSON[key]);
                   }
                 }
              }
            }
            cancel_fct(response_array,jqXHR.status);
          }
          else {
            cancel_fct(jqXHR.responseJSON,jqXHR.status);
          }
        }
      }
    }
    if(data) {
      arg['data'] = JSON.stringify(data);
    }
    if(with_token) {
      arg['headers']['Authorization'] = 'Token ';
    }
    $.ajax(arg);
  }

}

function fetch_request(type,url,data,success_fct,cancel_fct) {

  if(!hasToken()) {
    if(cancel_fct) {
      cancel_fct([]);
    }
  }
  else {
    var canceled = false;
    fetch('/api/' + url, {
        method: type,
        headers: {'Authorization':'Token '},

        body: data
    }).then(response => {

      if(response.ok) {
        return response.json();
      }
      else {
        canceled = true;
        if(cancel_fct) {
          cancel_fct([],response.status);
        }
        return;
      }
    }).then(data => {
        if(success_fct && !canceled) {
          success_fct(data);
        }
    }).catch((error) => {
        console.error('Error:', error);
        if(cancel_fct && !canceled) {
          cancel_fct([]);
        }
    });


  }

}