Wilfred/metawiki

"use strict";

var restify = require("restify");
var _ = require("underscore");

var models = require("./models");

function get(req, res, next) {
  var path = req.params.path;

  models.Resource.findOne(
    {
      path: path
    },
    function(err, resource) {
      if (resource === null) {
        next(new restify.NotFoundError("No resource with path '" + path + "'"));
      } else {
        res.send(resource);
        next();
      }
    }
  );
}

function update(req, res, next) {
  var path = req.params.path;

  if (!_.isString(req.body.content) || !_.isString(req.body.mimeType)) {
    next(
      new restify.BadRequestError("You need to provide a body and a mimeType.")
    );
    next();
    return;
  }

  models.Resource.findOneAndUpdate(
    {
      path: path
    },
    {
      content: req.body.content,
      mimeType: req.body.mimeType
    },
    function(err, resource) {
      if (resource === null) {
        next(new restify.NotFoundError("No resource with path '" + path + "'"));
      } else {
        res.send(resource);
        next();
      }
    }
  );
}

function create(req, res, next) {
  var path = req.params.path;

  models.Resource.findOne(
    {
      path: path
    },
    function(err, existingResource) {
      if (existingResource === null) {
        new models.Resource({
          path: path,
          content: req.body.content,
          mimeType: req.body.mimeType
        }).save(function(err, resource) {
          res.send(resource);
          next();
        });
      } else {
        next(
          new restify.BadRequestError(
            "Resource with path '" + path + "' already exists."
          )
        );
        next();
      }
    }
  );
}

function all(req, res, next) {
  models.Resource.find({}, function(err, resources) {
    res.send(resources);
    next();
  });
}

module.exports = {
  get: get,
  create: create,
  update: update,
  all: all
};