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Initial commit of refactoring.
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clintandrewhall committed Apr 23, 2011
1 parent a68f422 commit a0d144c
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3 changes: 2 additions & 1 deletion .gitignore
@@ -1 +1,2 @@
src/key.js
test/config.js
node_modules
20 changes: 20 additions & 0 deletions LICENSE
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Copyright (c) 2011 Clint Andrew Hall
Derived from: https://github.com/yikulju/Foursquare-on-node

Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
THE SOFTWARE.
3 changes: 3 additions & 0 deletions index.js
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// This file is just added for convenience so this repository can be
// directly checked out into a project's deps folder
module.exports = require('./lib/node-foursquare');
269 changes: 269 additions & 0 deletions lib/node-foursquare.js
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var QueryString = require('querystring'),
HTTPS = require('https'),
URL = require('url'),
defaultConfig = {
"accessTokenUrl" : "https://foursquare.com/oauth2/access_token",
"apiUrl" : "https://api.foursquare.com/v2"
};

var Foursquare = function(config) {
config = config || defaultConfig;

var emptyCallback = function() { };

if(!config.accessTokenUrl || !config.apiUrl) {
throw new TypeError("Supplied configuration is invalid.");
}

function retrieve(url, callback) {
callback = callback || emptyCallback;

var parsedUrl = URL.parse(url, true), request, result = "";

if (parsedUrl.protocol == "https:" && !parsedUrl.port) {
parsedUrl.port = 443;
}

if (parsedUrl.query === undefined) {
parsedUrl.query = {};
}

request = HTTPS.request({
"host" : parsedUrl.hostname,
"port" : parsedUrl.port,
"path" : parsedUrl.pathname + "?" + QueryString.stringify(parsedUrl.query),
"method" : "POST",
"headers" : {
"Content-Length": 0
}
}, function(res) {
res.on("data", function(chunk) {
result += chunk;
});
res.on("error", function(error) {
callback(error);
});
res.on("end", function () {
callback(null, res.statusCode, result);
});
});

request.end();
}

function invokeAPI(url, accessToken, callback) {

var parsedUrl = URL.parse(url, true);

callback = callback || emptyCallback;

if(accessToken != null) {
parsedUrl.query["oauth_token"] = accessToken;
}

retrieve(url.format(parsedUrl),
function(error, status, result) {
if(error) {
callback(error);
}
else {
callback(null, status, result);
}
});
}

function extractData(status, result, field, callback) {
var json;
callback = callback || emptyCallback;

if (status !== undefined && result !== undefined) {
try {
json = JSON.parse(result);
}
catch(e) {
callback(e);
return;
}

// 200
if (json.meta.code === 200) {
if (json.response !== undefined && json.response[field] !== undefined) {
callback(null, json.response[field]);
}
else {
callback(null, {});
}
}

// 400
if (json.meta.code === 400) {
callback(new Error("Remote site unreachable."));
}
else {
callback(new Error("Code " + json.meta.code + " received."));
}
}
}

exports.getAccessToken = function (params, callback) {
params = params || [];
params["grant_type"] = "authorization_code";

retrieve(config.accessTokenUrl + "?" + QueryString.stringify(params),
function(error, status, result) {
if(error) {
callback(error);
}
else {
try {
var obj = JSON.parse(result);
callback(null, obj.access_token);
}
catch(e) {
callback(e);
}
}
});
};

exports.getUserBadges = function (user_id, accessToken, callback) {

user_id = user_id || "self";

var url = config.apiUrl + "/users/" + user_id + "/badges";

invokeAPI(url, accessToken, function (error, status, result) {
extractData(status, result, "badges", callback);
});
};

/**
* Returns a list of tips near the area specified.
*
* http://developer.foursquare.com/docs/tips/search.html
*/
exports.searchTips = function (query, accessToken, callback) {

var url = config.apiUrl + "/tips/search";
url += "?" + QueryString.stringify(query);

invokeAPI(url, accessToken, function (error, status, result) {
extractData(status, result, "tips", callback);
});

};


exports.getRecentCheckins = function (query, accessToken, callback) {

var url = config.apiUrl + "/checkins/recent";
url += "?" + QueryString.stringify(query);

invokeAPI(url, accessToken, function (error, status, result) {
extractData(status, result, "recent", callback);
});

};

exports.searchVenues = function (query, accessToken, callback) {

var url = config.apiUrl + "/venues/search";
url += "?" + QueryString.stringify(query);

invokeAPI(url, accessToken, function (error, status, result) {
extractData(status, result, "groups", callback);
});
};

exports.searchUsers = function (query, accessToken, callback) {

var url = config.apiUrl + "/users/search";
url += "?" + QueryString.stringify(query);

invokeAPI(url, accessToken, function (error, status, result) {
extractData(status, result, "results", callback);
});
};


exports.getSettings = function (accessToken, callback) {

var url = config.apiUrl + "/settings/all";

invokeAPI(url, accessToken, function (status, result) {
extractData(status, result, "settings", callback);
});
};

exports.getPhoto = function (photo_id, accessToken, callback) {

var url = config.apiUrl + "/photos/" + photo_id;

invokeAPI(url, accessToken, function (error, status, result) {
extractData(status, result, "photo", callback);
});
};

exports.getTip = function (tip_id, accessToken, callback) {

var url = config.apiUrl + "/tips/" + tip_id;

invokeAPI(url, accessToken, function (error, status, result) {
extractData(status, result, "tip", callback);
});
};

exports.getCheckin = function (checkin_id, accessToken, callback) {

var url = config.apiUrl + "/checkins/" + checkin_id;

invokeAPI(url, accessToken, function (error, status, result) {
extractData(status, result, "checkin", callback);
});
};


exports.getVenue = function (venue_id, accessToken, callback) {

var url = config.apiUrl + "/venues/" + venue_id;

invokeAPI(url, accessToken, function (error, status, result) {
extractData(status, result, "venue", callback);
});
};

exports.getVenueAspect = function (venue_id, accessToken, aspect, params, callback) {

var url = config.apiUrl + "/venues/" + venue_id + '/' + aspect;
url += "?" + QueryString.stringify(params || {});

invokeAPI(url, accessToken, function (error, status, result) {
extractData(status, result, aspect, callback);
});
};

exports.getUser = function (user_id, accessToken, callback) {

var url = config.apiUrl + "/users/" + user_id;

invokeAPI(url, accessToken, function (error, status, result) {
extractData(status, result, "user", callback);
});
};

exports.getUserCheckins = function (user_id, accessToken, params, callback) {

var url = config.apiUrl + "/users/" + user_id + "/checkins",
optional = QueryString.stringify(params || {});

if (optional !== "") {
url += "?" + optional;
}

invokeAPI(url, accessToken, function (error, status, result) {
extractData(status, result, "checkins", callback);
});
}
};

exports.Foursquare = Foursquare;
19 changes: 19 additions & 0 deletions package.json
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{
"name": "node-foursquare",
"description": "Fault-tolerant Foursquare API v2 wrapper for Node JS.",
"version": "0.0.1",
"main": "foursquare.js",
"keywords": ["node-foursquare", "foursquare", "4sq"],
"repository" : {
"type" : "git",
"url" : "https://github.com/clintandrewhall/node-foursquare"
},
"bugs" : {
"web" : "https://github.com/clintandrewhall/node-foursquare/issues"
},
"licenses" : [
{ "type" : "MIT",
"url" : "http://github.com/clintandrewhall/node-foursquare/raw/master/LICENSE"
}
]
}
17 changes: 10 additions & 7 deletions readme.md
@@ -1,13 +1,16 @@
Foursquare on node
node-foursquare
==================

Foursquare API wrapper for Node JS.

Install
-------

`npm install foursquareonnode`
Fault-tolerant Foursquare API wrapper for Node JS.

Use
---



Notes
-----

This project is a refactoring and enhancement of:

https://github.com/yikulju/Foursquare-on-node
1 change: 1 addition & 0 deletions run-tests.sh
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supervisor node ./test/node-foursquare-test.js

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