snapi2/lib/router.js

An API-first RESTful server framework built on Swagger and Restify

// Generated by CoffeeScript 1.12.7
'use strict';
var Promise, error, registerRoute, restifyMethod, restifyPath, simplifySwaggerParams, swagger2;

Promise = require('bluebird');

swagger2 = require('swagger2-utils');

error = require('./error');

restifyMethod = function(method) {
  if (method === 'delete') {
    return 'del';
  } else {
    return method;
  }
};

restifyPath = function(path) {
  path = path.split('{').join(':');
  return path.split('}').join('');
};

exports.simplifySwaggerParams = simplifySwaggerParams = function(swaggerParams) {
  var param, paramName, params, ref;
  if (swaggerParams == null) {
    swaggerParams = {};
  }
  params = {};
  for (paramName in swaggerParams) {
    param = swaggerParams[paramName];
    switch ((ref = param.schema) != null ? ref.type : void 0) {
      case 'number':
      case 'integer':
        if (typeof param.value !== 'number') {
          param.value = param.value - 0;
        }
        break;
      case 'boolean':
        if (typeof param.value !== 'boolean') {
          param.value = (function() {
            switch (param.value) {
              case 'true':
                return true;
              case 'false':
                return false;
              default:
                throw new Error("Invalid boolean value: " + param.value);
            }
          })();
        }
    }
    params[paramName] = param.value;
  }
  return params;
};

registerRoute = function(server, method, path, handler) {
  method = restifyMethod(method);
  path = restifyPath(path);
  return server[method]({
    url: path
  }, function(request, response, next) {
    return Promise["try"](function() {
      var params, ref;
      params = simplifySwaggerParams(request != null ? (ref = request.swagger) != null ? ref.params : void 0 : void 0);
      return handler(request, params);
    }).then(function(result) {
      return server.responder.respond(result, response, next);
    })["catch"](function(err) {
      return server.responder.errorResponse(err, response, next);
    });
  });
};

exports.registerRoutes = function(server, apiSpec, opts) {
  var i, len, operation, operations, results, routeHandlers;
  if (!opts.routeHandlers) {
    throw new error.MissingRouteHandlersConfigError;
  }
  routeHandlers = opts.routeHandlers;
  operations = swagger2.createOperationsList(apiSpec);
  results = [];
  for (i = 0, len = operations.length; i < len; i++) {
    operation = operations[i];
    if (routeHandlers[operation.operationId] == null) {
      throw new error.MissingRouteHandlerError(operation);
    }
    results.push(registerRoute(server, operation.method, operation.path, routeHandlers[operation.operationId]));
  }
  return results;
};