error: Sending 500 ("Server Error") response:
 TypeError: sails.getDatastore is not a function
    at Object.generateToken (/var/www/api/api/services/Oauth2TokenGranterService.js:13:23)
    at Object.wrapper [as generateToken] (/var/www/api/node_modules/@sailshq/lodash/lib/index.js:3250:19)
    at Object.token (/var/www/api/api/controllers/AuthController.js:19:28)
    at wrapper (/var/www/api/node_modules/@sailshq/lodash/lib/index.js:3250:19)
    at routeTargetFnWrapper (/var/www/api/node_modules/sails/lib/router/bind.js:181:5)
    at callbacks (/var/www/api/node_modules/@sailshq/express/lib/router/index.js:164:37)
    at param (/var/www/api/node_modules/@sailshq/express/lib/router/index.js:138:11)
    at param (/var/www/api/node_modules/@sailshq/express/lib/router/index.js:135:11)
    at pass (/var/www/api/node_modules/@sailshq/express/lib/router/index.js:145:5)
    at nextRoute (/var/www/api/node_modules/@sailshq/express/lib/router/index.js:100:7)
    at callbacks (/var/www/api/node_modules/@sailshq/express/lib/router/index.js:167:11)
    at /var/www/api/api/policies/oauth2ClientCredentials.js:29:14
    at tryCatcher (/var/www/api/node_modules/waterline/node_modules/bluebird/js/release/util.js:11:23)
    at Promise._settlePromiseFromHandler (/var/www/api/node_modules/waterline/node_modules/bluebird/js/release/promise.js:491:31)
    at Promise._settlePromise (/var/www/api/node_modules/waterline/node_modules/bluebird/js/release/promise.js:548:18)
    at Promise._settlePromise0 (/var/www/api/node_modules/waterline/node_modules/bluebird/js/release/promise.js:593:10)
    at Promise._settlePromises (/var/www/api/node_modules/waterline/node_modules/bluebird/js/release/promise.js:676:18)
    at Promise._fulfill (/var/www/api/node_modules/waterline/node_modules/bluebird/js/release/promise.js:617:18)
    at /var/www/api/node_modules/waterline/node_modules/bluebird/js/release/nodeback.js:42:21
    at wrapper (/var/www/api/node_modules/lodash/index.js:3592:19)
    at applyInOriginalCtx (/var/www/api/node_modules/waterline/lib/waterline/utils/normalize.js:421:80)
    at wrappedCallback (/var/www/api/node_modules/waterline/lib/waterline/utils/normalize.js:324:18)
error: Sending 500 ("Server Error") response:
 TypeError: sails.getDatastore is not a function
    at Object.generateToken (/var/www/api/api/services/Oauth2TokenGranterService.js:13:23)
    at Object.wrapper [as generateToken] (/var/www/api/node_modules/@sailshq/lodash/lib/index.js:3250:19)
    at Object.token (/var/www/api/api/controllers/AuthController.js:19:28)
    at wrapper (/var/www/api/node_modules/@sailshq/lodash/lib/index.js:3250:19)
    at routeTargetFnWrapper (/var/www/api/node_modules/sails/lib/router/bind.js:181:5)
    at callbacks (/var/www/api/node_modules/@sailshq/express/lib/router/index.js:164:37)
    at param (/var/www/api/node_modules/@sailshq/express/lib/router/index.js:138:11)
    at param (/var/www/api/node_modules/@sailshq/express/lib/router/index.js:135:11)
    at pass (/var/www/api/node_modules/@sailshq/express/lib/router/index.js:145:5)
    at nextRoute (/var/www/api/node_modules/@sailshq/express/lib/router/index.js:100:7)
    at callbacks (/var/www/api/node_modules/@sailshq/express/lib/router/index.js:167:11)
    at /var/www/api/api/policies/oauth2ClientCredentials.js:29:14
    at tryCatcher (/var/www/api/node_modules/waterline/node_modules/bluebird/js/release/util.js:11:23)
    at Promise._settlePromiseFromHandler (/var/www/api/node_modules/waterline/node_modules/bluebird/js/release/promise.js:491:31)
    at Promise._settlePromise (/var/www/api/node_modules/waterline/node_modules/bluebird/js/release/promise.js:548:18)
    at Promise._settlePromise0 (/var/www/api/node_modules/waterline/node_modules/bluebird/js/release/promise.js:593:10)
    at Promise._settlePromises (/var/www/api/node_modules/waterline/node_modules/bluebird/js/release/promise.js:676:18)
    at Promise._fulfill (/var/www/api/node_modules/waterline/node_modules/bluebird/js/release/promise.js:617:18)
    at /var/www/api/node_modules/waterline/node_modules/bluebird/js/release/nodeback.js:42:21
    at wrapper (/var/www/api/node_modules/lodash/index.js:3592:19)
    at applyInOriginalCtx (/var/www/api/node_modules/waterline/lib/waterline/utils/normalize.js:421:80)
    at wrappedCallback (/var/www/api/node_modules/waterline/lib/waterline/utils/normalize.js:324:18)



/*
 * To change this license header, choose License Headers in Project Properties.
 * To change this template file, choose Tools | Templates
 * and open the template in the editor.
 */
var jwToken = require("jsonwebtoken");

module.exports = {

        generateToken:function(client, callback)
        {

        	return sails.getDatastore('cache').leaseConnection(function during(db, proceed) {

        		db.get("auth_client_token_"+client.id,function(err, cacheData){

        			if(err)
        			{
        				return proceed(err);
        			}
        			var token = null;
        			try
        			{
        				token = JSON.parse(cacheData);
        			}
        			catch (e)
        			{
        				return proceed(e);
        			}
        			//Check token was found
        			if(!token)
        			{
        				jwt.sign(client, app.get('superSecret'), { expiresInMinutes: sails.config.oauth.ttl}, function(err, tk){

        					 db.set("auth_client_token_"+client.id, tk);
        					 proceed(undefined, tk);
        				});


        			}
        			else
        			{
        				db.verify(token,app.get('superSecret'), function(err, decoded) {

        					proceed(undefined, token);

        				});
        			}


        		});
        	});
        }

}