From a4279342d0d6c3ad92b04afff4c306ce55f10afc Mon Sep 17 00:00:00 2001
From: Ben Burwell <ben@benburwell.com>
Date: Sat, 1 Aug 2015 22:28:12 -0400
Subject: start this puppy up
---
src/utils.js | 106 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
1 file changed, 106 insertions(+)
create mode 100644 src/utils.js
(limited to 'src')
diff --git a/src/utils.js b/src/utils.js
new file mode 100644
index 0000000..f2d1dc1
--- /dev/null
+++ b/src/utils.js
@@ -0,0 +1,106 @@
+var fs = require('fs');
+
+module.exports = {
+
+ // Take some solfege input and normalize it
+ normalize: function(str) {
+ var tokens = str.toLowerCase().split(/\s+/);
+ var normalized = '';
+ var table = {
+ 'do': 'a',
+ 'do+': 'b',
+ 'do#': 'b',
+ 'doh': 'a',
+ 'doh+': 'b',
+ 'doh#': 'b',
+ 're-': 'b',
+ 'reb': 'b',
+ 're': 'c',
+ 're+': 'd',
+ 're#': 'd',
+ 'mi-': 'd',
+ 'mib': 'd',
+ 'mi': 'e',
+ 'fa': 'f',
+ 'fa+': 'g',
+ 'fa#': 'g',
+ 'so-': 'g',
+ 'sob': 'g',
+ 'so': 'h',
+ 'so+': 'i',
+ 'so#': 'i',
+ 'sol-': 'g',
+ 'solb': 'g',
+ 'sol': 'h',
+ 'sol+': 'i',
+ 'sol#': 'i',
+ 'la-': 'i',
+ 'lab': 'i',
+ 'la': 'j',
+ 'la+': 'k',
+ 'la#': 'k',
+ 'ti-': 'k',
+ 'tib': 'k',
+ 'ti': 'l',
+ 'si-': 'k',
+ 'sib': 'k',
+ 'si': 'l'
+ };
+
+ for (var i = 0; i < tokens.length; i++) {
+ if (table[tokens[i]]) {
+ normalized += table[tokens[i]];
+ }
+ }
+
+ return normalized;
+ },
+
+ // Take some solfege from the DB and translate it back
+ // to something readable
+ denormalize: function(str) {
+ var table = {
+ 'a': 'do',
+ 'b': 'do+',
+ 'c': 're',
+ 'd': 're+',
+ 'e': 'mi',
+ 'f': 'fa',
+ 'g': 'fa+',
+ 'h': 'so',
+ 'i': 'so+',
+ 'j': 'la',
+ 'k': 'la+',
+ 'l': 'ti'
+ };
+ var ret = '';
+
+ for (var i = 0; i < str.length; i++) {
+ ret += table[str.charAt(i)] + ' ';
+ }
+
+ return ret.trim();
+ },
+
+ // Initialize the SQL database
+ initializeDatabase: function(db, done) {
+
+ // Fetch the SQL we need to run
+ fs.readFile('../db/schema.sql', function(err, sql) {
+ if (err) {
+ return console.error('Error reading SQL from file', err);
+ }
+
+ // Execute the query
+ db.query(sql, function(err, result) {
+
+ if (err) {
+ console.error('Error executing SQL query', err);
+ }
+
+ // Run the callback
+ done();
+ });
+ });
+ }
+};
--
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