From 3d0f989cee9d7c426c759588539dd06c14fa70ea Mon Sep 17 00:00:00 2001 From: Ben Burwell Date: Sun, 2 Aug 2015 17:31:36 -0400 Subject: let's get v1 going here --- src/index.js | 207 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 207 insertions(+) create mode 100644 src/index.js (limited to 'src/index.js') diff --git a/src/index.js b/src/index.js new file mode 100644 index 0000000..7edcfdb --- /dev/null +++ b/src/index.js @@ -0,0 +1,207 @@ +// require built-in modules +var fs = require('fs'); +var path = require('path'); + +// require external libs +var Hapi = require('hapi'); + +// require custom libs +var utils = require('./utils'); + +var server = new Hapi.Server(); +server.connection({ + host: 'localhost', + port: process.env.PORT || 8000 +}); + +server.views({ + engines: { + html: require('handlebars') + }, + path: path.join(__dirname, 'templates') +}); + +server.register({ + register: require('hapi-postgres'), + options: { + uri: process.env.DATABASE_URL || 'postgres://postgres:postgres@127.0.0.1/solfege' + } +}, function(err) { + if (err) { + console.error('Failed to load hapi-postgres', err); + } +}); + +server.method('search', function(query, next) { + var client = server.plugins['hapi-postgres'].client; + var done = server.plugins['hapi-postgres'].done; + + var norm = utils.normalize(query); + + var sql = 'SELECT title, artist_name FROM songs JOIN phrase_song ON (songs.song_id = phrase_song.song_id) WHERE phrase_song.phrase_id IN (SELECT phrase_id FROM phrases WHERE solfege LIKE \'%' + norm + '%\') GROUP BY songs.song_id;'; + return client.query(sql, function(err, results) { + done(); + + if (err) { + next(err); + } else { + next(null, results.rows); + } + }); +}); + +server.method('getSongsWithSimilarTitle', function(title, next) { + var client = server.plugins['hapi-postgres'].client; + var done = server.plugins['hapi-postgres'].done; + + var sql = 'SELECT song_id, title, artist_name FROM songs WHERE title @@ plainto_tsquery(\'' + title + '\');'; + return client.query(sql, function(err, results) { + done(); + if (err) { + next(err); + } else { + next(null, results.rows); + } + }); +}); + +server.method('addSongWithPhrase', function(options, next) { + var client = server.plugins['hapi-postgres'].client; + var done = server.plugins['hapi-postgres'].done; + + if (!options.title || !options.artist_name || !options.solfege) { + done(); + return next(new Error('Missing required title, artist_name, or solfege')); + } + + options.solfege = utils.normalize(options.solfege); + var sql = 'INSERT INTO songs (title, artist_name) VALUES (\'' + options.title + '\', \'' + options.artist_name + '\'); INSERT INTO phrases (solfege) VALUES (\'' + options.solfege + '\'); INSERT INTO phrase_song (song_id, phrase_id) VALUES ((SELECT CURRVAL(\'songs_song_id_seq\')), (SELECT CURRVAL(\'phrases_phrase_id_seq\')));'; + return client.query(sql, function(err, results) { + done(); + if (err) { + next(err); + } else { + next(null); + } + }); +}); + +server.method('addPhraseToSong', function(options, next) { + var client = server.plugins['hapi-postgres'].client; + var done = server.plugins['hapi-postgres'].done; + + if (!options.song_id || !options.phrase) { + done(); + return next(new Error('Missing required song_id or phrase')); + } else { + var solfege = utils.normalize(options.phrase); + var sql = 'INSERT INTO phrases (solfege) VALUES (\'' + solfege + '\'); INSERT INTO phrase_song (song_id, phrase_id) VALUES (' + options.song_id + ', (SELECT phrase_id FROM phrases WHERE solfege=\'' + solfege + '\'));'; + return client.query(sql, function(err, results) { + done(); + + if (err) { + next(new Error('Error adding phrase to song')); + } else { + next(null); + } + }); + } +}); + +// search results +server.route({ + method: 'GET', + path: '/search', + handler: function(request, reply) { + + var q = request.query.q; + + server.methods.search(request.query.q, function(err, results) { + if (err) { + reply('Error processing query: ' + err); + } else { + reply.view('search_results', { + original_query: q, + normalized_query: utils.normalize(q), + denormalized_query: utils.denormalize(utils.normalize(q)), + results: results + }); + } + }); + } +}); + +// submit a song +server.route({ + method: 'GET', + path: '/submit_song', + handler: function(request, reply) { + server.methods.getSongsWithSimilarTitle(request.query.title, function(err, songs) { + if (err) { + console.error(err) + reply('Error'); + } else { + if (songs.length > 0 && request.query.new != 1) { + reply.view('submit_song_picklist', { phrase: request.query.phrase, songs: songs }); + } else { + reply.view('submit_song_new', { + title: request.query.title, + phrase: request.query.phrase + }); + } + } + }); + } +}); + +server.route({ + method: 'POST', + path: '/submit_song', + handler: function(request, reply) { + server.methods.addSongWithPhrase({ + title: request.payload.title, + artist_name: request.payload.artist, + solfege: request.payload.phrase + }, function(err) { + if (err) { + console.log(err); + reply('Error processing request'); + } else { + reply.redirect('/thanks.html'); + } + }); + } +}); + +server.route({ + method: 'GET', + path: '/add_phrase', + handler: function(request, reply) { + server.methods.addPhraseToSong({ + song_id: request.query.id, + phrase: request.query.phrase + }, function(err) { + if (err) { + console.error(err); + reply('Error processing request'); + } else { + reply.redirect('/thanks.html'); + } + }); + } +}); + +// serve static files +server.route({ + method: 'GET', + path: '/{filename*}', + handler: { + directory: { + path: path.join(__dirname, 'assets') + } + } +}); + +server.start(function() { + console.log('Server running!'); +}); -- cgit v1.2.3