## mark a section (Learn more)

// ==UserScript== // @name Hello Reco // @namespace http://www.dpg.se/test // @description Shows nearby Gowalla and Foursquare venues to a company on Reco.se. // @include http://reco.se/* // @include http://www.reco.se/* // @exclude http://www.reco.se/questions/* // @exclude http://www.reco.se/friends/* // @exclude http://www.reco.se/myprofile/* // @exclude http://www.reco.se/objectPage/* // @exclude http://www.reco.se/*.seam // ==/UserScript== if(typeof(GM_getValue("Gowalla API key")) == 'undefined') { var GW_API_key = prompt('Your Gowalla API key',''); GM_setValue('Gowalla API key', GW_API_key); } else { GM_log('Gowalla API key is ' + GM_getValue("Gowalla API key")); } /// The following part is a translated version of Ivo Ugrina's PHP code for Jaro-Winkler string distance /// Published on http://www.iugrina.com/files/JaroWinkler/JaroWinkler.phps /* version 1.2 Copyright (c) 2005-2009 Ivo Ugrina <ivo@iugrina.com> A PHP library implementing Jaro and Jaro-Winkler distance, measuring similarity between strings. Theoretical stuff can be found in: Winkler, W. E. (1999). "The state of record linkage and current research problems". Statistics of Income Division, Internal Revenue Service Publication R99/04. http://www.census.gov/srd/papers/pdf/rr99-04.pdf. This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 3 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program. If not, see <http://www.gnu.org/licenses/>. === A big thanks goes out to Pierre Senellart <pierre@senellart.com> for finding a small bug in code. */ Array.min = function( array ){ return Math.min.apply( Math, array ); }; String.prototype.reverse=function(){return this.split("").reverse().join("");} function getCommonCharacters( string1, string2, allowedDistance ){ var i,j; str1_len = string1.length; str2_len = string2.length; temp_string2 = string2; commonCharacters=''; for( i=0; i < str1_len; i++){ noMatch = true; // compare if char does match inside given allowedDistance // and if it does add it to commonCharacters for( j= Math.max( 0, i-allowedDistance ); noMatch && j < Math.min( i + allowedDistance + 1, str2_len ); j++){ if( temp_string2[j] == string1[i] ){ noMatch = false; commonCharacters += string1[i]; temp_string2[j] = ''; } } } return commonCharacters; } function Jaro( string1, string2 ){ var i; str1_len = string1.length; str2_len = string2.length; // theoretical distance distance = Math.floor(Math.min( str1_len, str2_len ) / 2.0); // get common characters commons1 = getCommonCharacters( string1, string2, distance ); commons2 = getCommonCharacters( string2, string1, distance ); if( (commons1_len = commons1.length) == 0) return 0; if( (commons2_len = commons2.length) == 0) return 0; // calculate transpositions transpositions = 0; upperBound = Math.min( commons1_len, commons2_len ); for( i = 0; i < upperBound; i++){ if( commons1[i] != commons2[i] ) transpositions++; } transpositions /= 2.0; // return the Jaro distance return (commons1_len/(str1_len) + commons2_len/(str2_len) + (commons1_len - transpositions)/(commons1_len)) / 3.0; } function getPrefixLength( string1, string2, MINPREFIXLENGTH){ var i; MINPREFIXLENGTH = typeof(MINPREFIXLENGTH) != 'undefined' ? MINPREFIXLENGTH : 4; n = Array.min( [MINPREFIXLENGTH, string1.length, string2.length]); for(i = 0; i < n; i++){ if( string1[i] != string2[i] ){ // return index of first occurrence of different characters return i; } } // first n characters are the same return n; } function JaroWinkler(string1, string2, PREFIXSCALE){ PREFIXSCALE = typeof(PREFIXSCALE) != 'undefined' ? PREFIXSCALE : 0.1; JaroDistance = Jaro( string1, string2 ); prefixLength = getPrefixLength( string1, string2 ); return JaroDistance + prefixLength * PREFIXSCALE * (1.0 - JaroDistance); } /// End of Jaro-Winkler string distance function var scriptPart = document.evaluate( '//script[contains(.,"vCLat")]', document, null, XPathResult.FIRST_ORDERED_NODE_TYPE, null ).singleNodeValue; if(scriptPart != null) { var scriptPartString = scriptPart.textContent; var lat = scriptPartString.substring(scriptPartString.indexOf("var vCLat ")+13,scriptPartString.indexOf("';",scriptPartString.indexOf("var vCLat "))); var lon = scriptPartString.substring(scriptPartString.indexOf("var vCLon ")+13,scriptPartString.indexOf("';",scriptPartString.indexOf("var vCLon "))); var name = scriptPartString.substring(scriptPartString.indexOf("var vCName ")+13,scriptPartString.indexOf("';",scriptPartString.indexOf("var vCName "))); if(lat.length > 0 && lon.length > 0) {gowalla(lat, lon); foursquare(lat,lon);} var elmFoo = document.getElementById('companyPictures'); var statusBox = document.createElement('div'); statusBox.innerHTML = '<div id="gowallaStatusBox" class="dataBoxNew"><div class="header"><div class="leftTopCorner"></div><div class="rightTopCorner"></div><h2>Närliggande inloggningar</h2></div><div class="content clearfix"><div class="load"></div><div id="gowallaInfo"></div><div id="foursquareInfo"></div></div><div class="footer"><div class="leftCorner"></div><div class="rightCorner"></div></div></div>'; elmFoo.parentNode.insertBefore(statusBox, elmFoo); var elmGow = document.getElementById('gowallaInfo'); elmGow.innerHTML = 'Kontaktar Gowalla...'; var elmFsq = document.getElementById('foursquareInfo'); elmFsq.innerHTML = 'Kontaktar Foursquare...'; } function foursquare(lat, lon) { GM_xmlhttpRequest ({ method: "GET", url: "http://api.foursquare.com/v1/venues.json?geolat="+lat+"&geolong="+lon, headers: { 'Content-Type': 'application/json', 'Accept': 'application/json', 'User-Agent': 'Greasemonkey script Hello Reco', }, onload: function(responseDetails) { var result = eval('('+responseDetails.responseText+')'); var list = ''; var maxe = []; for(i=0;i<result["groups"][0]["venues"].length;i++) { var test = result.groups[0].venues[i].name+""; var sim = JaroWinkler(test, name); var bsim = JaroWinkler(test.reverse(), name.reverse()); maxe[i] = sim + .8*bsim; } var sortedMaxe = maxe.slice(0); sortedMaxe.sort().reverse(); threshold = sortedMaxe[5]; for ( var i = 0; i<result.groups[0].venues.length; ++i ) { if(maxe[i]>threshold) { var category; if(result["groups"][0]["venues"][i]["primarycategory"]) {category = result["groups"][0]["venues"][i]["primarycategory"]["nodename"];} else {category = ''} list += '<a href="http://foursquare.com/venue/'+result["groups"][0]["venues"][i]["id"]+'" title="'+result["groups"][0]["venues"][i]["address"]+', '+category+'">'+result["groups"][0]["venues"][i]["name"]+' [4]</a>'; } } elmFsq.innerHTML = list; }, onreadystatechange: function(responseDetails) { }, onerror: function(responseDetails) { console.debug(responseDetails); alert('Error'); } }); } function gowalla(lat, lon) { GM_log("http://api.gowalla.com/spots?lat="+lat+"&lng="+lon+"&radius=50"); GM_xmlhttpRequest ({ method: "GET", url: "http://api.gowalla.com/spots?lat="+lat+"&lng="+lon+"&radius=50", headers: { 'X-Gowalla-API-Key': GM_getValue('Gowalla API key'), 'Content-Type': 'application/json', 'Accept': 'application/json', 'User-Agent': 'Greasemonkey script Hello Reco', }, onload: function(responseDetails) { var result = eval('('+responseDetails.responseText+')'); var list = ''; var maxe = []; for(i=0;i<result["spots"].length;i++) { var test = result.spots[i].name+""; var sim = JaroWinkler(test, name); var bsim = JaroWinkler(test.reverse(), name.reverse()); maxe[i] = sim + .8*bsim; } var sortedMaxe = maxe.slice(0); sortedMaxe.sort().reverse(); threshold = sortedMaxe[5]; for ( var i = 0; i<result.spots.length; ++i ) { if(maxe[i]>threshold) { var category; if(result["spots"][i]["spot_categories"][0]) {category = result["spots"][i]["spot_categories"][0]["name"];} else {category = ''} list += '<a href="http://gowalla.com'+result["spots"][i]["url"]+'" title="'+category+'">'+result["spots"][i]["name"]+' [G]</a>'; } } elmGow.innerHTML = list; }, onreadystatechange: function(responseDetails) { }, onerror: function(responseDetails) { console.debug(responseDetails); alert('Error'); } }); }

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