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wwallo is a tag cloud for wherever you happen to be. WHY? Wouldn't it be cool if locations were tagged just like websites? If you're stuck in traffic or wandering through an unfamiliar place, your location is tagged by what people have been saying around you. Maybe they're in a frenzy about an accident that has traffic at a standstill or ranting about some local event. Maybe the buzz is about the outbreak of the zombie plague (in which case you should get out of there ASAP :) WHAT AND WHY? wwallo is a twitter client and an excuse to experiment with (the kickass) WebMachine, jQuery (and a lot of awesome jQuery plugins) and the geolocation features of Google Gears. wwallo geolocates the client by using Google Gears (tested with the web browser on an Android phone and firefox on Mac OS X and Ubuntu). If Gears is not installed, wwallo falls back to using the IP address to lookup the client's location. Finally, if the client source IP address is within the private range, wwallo resorts to using its public IP address. DEMO Test server, may not always be available: http://tinyurl.com/wwallo DEPENDENCIES rfc4627 JSON parser: http://hg.opensource.lshift.net/erlang-rfc4627/archive/default.tar.gz egeopip: http://code.google.com/p/egeoip/source/checkout HOWTO 1. Download and build rfc4627 and egeoip. 2. Download the GeoLite database from MaxMind and place it in the egeoip/priv directory: cd egeoip/priv wget http://geolite.maxmind.com/download/geoip/database/GeoLiteCountry/GeoIP.dat.gz 3. Check out wwallo and build. mochiweb is set to listen on port 8585. The port can be changed in src/wwallo_sup.erl. cd wwallo make 4. Create symbolic links to the directories of the dependencies. mkdir deps cd deps ln -s /path/to/webmachine # webmachine contains the ebin directory ln -s /path/to/rfc4627 # rfc4627 contains the ebin directory ln -s /path/to/egeoip # egeoip contains the ebin directory 5. Start the server: ./start-dev.sh 6. Open your browser: http://localhost:8585/ COMPONENTS WebMachine: http://webmachine.basho.com/ jQuery: http://jquery.com/ Google Gears: http://gears.google.com/ egeoip: http://code.google.com/p/egeoip/ Erlang rfc4627 JSON parser: http://www.lshift.net/blog/2007/02/17/json-and-json-rpc-for-erlang Erlang stemmer: http://github.com/klajo/hacks/blob/master/stem/src/stem_en.erl WebMachine static resource: http://bitbucket.org/bryan/wmexamples/ jQuery Plugins: jquery.corner: http://malsup.com/jquery/corner/ jGrowl: http://stanlemon.net/projects/jgrowl.html jquery.loading: http://plugins.jquery.com/project/loading jquery.selectbox: http://www.brainfault.com/jquery-plugins/jquery-selectbox-replacement/ jquery.tagcloud: http://code.google.com/p/jquery-tagcloud/ This product includes GeoLite data created by MaxMind, available from http://maxmind.com/ Any remaining code written by me can be used under the MIT license: Copyright (c) 2009 Michael Santos <email@example.com> 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.