rested/Controller/configure.js

{REST}ed; {REST}ful Enterprise Data-as-a-Service (DaaS)

const mongoose = require('mongoose');
const semver = require('semver');
const Model = require('../Model');
const errors = require('http-errors');


module.exports = function (model, protect) {
  if (typeof model !== 'string' && (!model || !model.schema))
    throw errors.InternalServerError('You must pass in a model or model name');

  protect.property('comments', false);
  protect.property('explain', false);
  protect.property('hints', false);
  protect.property('sort', '');

  protect.property('versions', '*', range => {
    if (!semver.validRange(range)) throw errors.InternalServerError(`Controller version range "${range}" was not a valid semver range`);
    return range;
  });

  protect.property('model', undefined, m => { // TODO readonly
    if (typeof m === 'string') return mongoose.model(m);
    return m;
  });

  protect.property('select', select => {
    if (select) this.model().select(select);
    return this.model().select();
  })

  protect.property('findBy', path => {
    if (path) this.model().findBy(path);
    return this.model().findBy();
  })

  protect.property('fragment', value => {
    if (value === undefined) return '/' + this.model().plural();
    if (value.indexOf('/') !== 0) return '/' + value;
    return value;
  });

  protect.multiproperty('operators', undefined, false);
  protect.multiproperty('methods', 'head get put post delete', true, enabled => enabled ? true : false);

  this.deselected = path => {
    let deselected = this.model().deselected();
    // Add deselected paths from the controller.
    this.select().split(/\s+/).forEach(path => {
      let match = /^(?:[-]((?:[\w]|[-])+)\b)$/.exec(path);
      if (match) deselected.push(match[1]);
    });
    let deduplicated = deselected.filter((path, position) => deselected.indexOf(path) === position);
    return !path ? deduplicated : (deduplicated.indexOf(path) !== -1);
  };

  // Set the controller model.
  this.model(model);
};