zettapi_client/lib/services/util.svc.js

Admin panel and client-side CRUD operations in angular to use with zettapi_server rest api to get started quickly in any CMS project.

app.service('$util', function () {
  this.flattenArray = function (items, json) {
    var table = [],
      keys = [],
      key, data = [];
    items.forEach(function (item) {
      var row = flatten(item);
      for (key in row) {
        if (keys.indexOf(key) !== -1) continue;
        keys.push(key);
      }
      table.push(row);
    });

    if (!json) data.push(keys);

    table.forEach(function (row) {
      var datum;
      if (json) {
        datum = row;
      } else {
        datum = [];
        keys.forEach(function (key) {
          if (typeof row[key] === 'undefined') datum.push("");
          else datum.push(row[key]);
        });
      }
      data.push(datum);
    });

    return data;
  };

  this.setFormFiles = setFormFiles;

  this.skip = function () {
    var callback;
    for (var i = arguments.length - 1; i >= 0; i--) {
      if (typeof arguments[i] !== 'function') continue;
      callback = arguments[i];
      break;
    }
    if (typeof callback === 'function') return callback();
  };

  function setFormFiles(fd, item, parent) {
    //ignore if current object has nothing or is a string
    if (!item || typeof item === 'string') return;

    //array
    if (item.length) {
      for (var i = 0; i < item.length; i++) {
        setFormFiles(fd, item[i], parent + '[' + i + ']');
      }
    }
    //not array
    else {
      //for each nested object
      for (var property in item) {
        if (typeof item[property] !== 'object') continue;

        //file object
        if (property === 'newFile') {
          for (var file in item[property]) {
            var filePath = parent ? parent + '.' + file : file;
            fd.append(filePath, item[property][file]);
          }
        }
        //non file object
        else {
          setFormFiles(fd, item[property], parent ? parent + '.' + property : property);
        }
      }
    }
  }

  function flatten(data) {
    var result = {};

    function recurse(cur, prop) {
      if (Object(cur) !== cur) {
        result[prop] = cur;
      } else if (Array.isArray(cur)) {
        for (var i = 0, l = cur.length; i < l; i++)
          recurse(cur[i], prop + "[" + i + "]");
        if (l === 0)
          result[prop] = [];
      } else {
        var isEmpty = true;
        for (var p in cur) {
          isEmpty = false;
          recurse(cur[p], prop ? prop + "." + p : p);
        }
        if (isEmpty && prop)
          result[prop] = {};
      }
    }
    recurse(data, "");
    return result;
  }
});