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| /*!
GPII Raw Preferences Server
Copyright 2012 OCAD University
Copyright 2014-2015 Raising the Floor - International
Licensed under the New BSD license. You may not use this file except in
compliance with this License.
The research leading to these results has received funding from the European Union's
Seventh Framework Programme (FP7/2007-2013) under grant agreement no. 289016.
You may obtain a copy of the License at
https://github.com/GPII/universal/blob/master/LICENSE.txt
*/
"use strict";
var fluid = require("infusion"),
gpii = fluid.registerNamespace("gpii"),
uuid = require("node-uuid");
require("kettle");
fluid.defaults("gpii.rawPreferencesServer", {
gradeNames: ["kettle.app"],
requestHandlers: {
rawPreferencesGet: {
route: "/rawPreferences/:userToken",
method: "get",
type: "gpii.rawPreferencesServer.get.handler"
},
rawPreferencesPost: {
route: "/rawPreferences",
method: "post",
type: "gpii.rawPreferencesServer.write.handler"
},
rawPreferencesPut: {
route: "/rawPreferences/:userToken",
method: "put",
type: "gpii.rawPreferencesServer.write.handler"
}
},
components: {
rawPreferencesDataSource: {
type: "kettle.dataSource", // overriden by concrete grades
options: {
writable: true,
notFoundIsEmpty: true,
termMap: {
userToken: "%userToken"
}
}
}
}
});
fluid.defaults("gpii.rawPreferencesServer.handlerBase", {
gradeNames: "kettle.request.http",
requestMiddleware: {
CORS: {
middleware: "{middlewareHolder}.CORS"
}
}
});
gpii.rawPreferencesServer.handlePreferences = function (request, userToken, preferences) {
Iif (preferences && preferences.isError) { // preferences are NOT expected on PUT/POST
request.events.onError.fire(preferences);
} else {
var data = {
userToken: userToken,
preferences: preferences
};
request.events.onSuccess.fire(data);
}
};
fluid.defaults("gpii.rawPreferencesServer.get.handler", {
gradeNames: "gpii.rawPreferencesServer.handlerBase",
invokers: {
handleRequest: {
funcName: "gpii.handleRawPreferencesGet",
args: [ "{request}", "{request}.req.params.userToken", "{rawPreferencesServer}.rawPreferencesDataSource"]
}
}
});
gpii.handleRawPreferencesGet = function (request, userToken, rawPreferencesDataSource) {
var promise = rawPreferencesDataSource.get({userToken: userToken});
promise.then(function (preferences) {
if (preferences === undefined) {
request.events.onError.fire({
isError: true,
message: "Raw preferences server: Preferences missing for user " + userToken,
statusCode: 404
});
return;
}
gpii.rawPreferencesServer.handlePreferences(request, userToken, preferences);
}, function (err) {
request.events.onError.fire({
isError: true,
message: "Raw preferences server: Unable to retrieve preferences from raw preferences source: " + err.message,
statusCode: 500
});
});
};
fluid.defaults("gpii.rawPreferencesServer.write.handler", {
gradeNames: "gpii.rawPreferencesServer.handlerBase",
invokers: {
handleRequest: {
funcName: "gpii.rawPreferencesServer.write.handleRequest",
args: [ "{request}", "{rawPreferencesServer}.rawPreferencesDataSource"]
}
}
});
gpii.rawPreferencesServer.write.handleRequest = function (request, rawPreferencesDataSource) {
var userToken = request.req.params.userToken || uuid.v4();
rawPreferencesDataSource.set({
userToken: userToken
}, request.req.body, function () {
gpii.rawPreferencesServer.handlePreferences(request, userToken, request.req.body);
});
};
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