kiwitcms / Kiwi

function jsonRPC(rpc_method, rpc_params, callback, is_sync) {

   // .filter() args are passed as dictionary but other args,

   // e.g. for .add_tag() are passed as a list of positional values

   if (!Array.isArray(rpc_params)) {

      rpc_params = [rpc_params]

   }

   $.ajax({

      url: '/json-rpc/',

      async: is_sync !== true,

      data: JSON.stringify({jsonrpc: '2.0',

                            method: rpc_method,

                            params: rpc_params,

                            id:"jsonrpc"}),  // id is needed !!

      // see "Request object" at https://www.jsonrpc.org/specification

      type:"POST",

      dataType:"json",

      contentType: "application/json",

      success: function (result) {

            callback(result.result);

      },

      error: function (err,status,thrown) {

      },

   });

}

// used by DataTables to convert a list of objects to a dict

// suitable for loading data into the table

function dataTableJsonRPC(rpc_method, rpc_params, callback, pre_process_data) {

    var internal_callback = function(data) {

        // used to collect additional information about columns via ForeignKeys

        if (pre_process_data !== undefined) {

            pre_process_data(data);

        }

        callback({'data': data})

    };

    jsonRPC(rpc_method, rpc_params, internal_callback);

}

// called from pre_process_data to fill local cache with values

function addResourceToData(element, key, resource, cache) {

    var data = [];

    element[key].forEach(function(id) {

        if (id in cache) {

            data.push(cache[id]);

        } else {

            jsonRPC(resource, {pk: id}, function (result) {

                if (result) {

                    data.push(result[0]);

                    cache[id] = result[0];

                }

            }, true);

        }

    });

    element[key] = data;

}

// renders values from the local cache

// for example tags or components

function renderFromCache(data) {

    data.forEach(function (el) {

    });

    // remove trailing coma

    return result.slice(0, result.lastIndexOf(','));

}