Separate text sending into it's own module.

lib/text.js

@@ -0,0 +1,77 @@
+var providers = require('./providers.js')
+  , _ = require('underscore')
+  , exec = require('child_process').exec
+  , spawn = require('child_process').spawn;
+
+var debugEnabled = false;
+
+//----------------------------------------------------------------
+/*
+    General purpose logging function, gated by a configurable
+    value.
+*/
+function output() {
+  if (debugEnabled === true) {
+    return console.log.apply(this, arguments);
+  }
+}
+
+//----------------------------------------------------------------
+/*  Enable verbosity for the text module.
+
+    If enabled, logging functions will
+    print to stdout.
+
+    Params:
+      enable - bool
+*/
+function debug(enable) {
+  debugEnabled = enable;
+  return debugEnabled;
+}
+
+//----------------------------------------------------------------
+/*  Sends a text message
+
+    Will perform a region lookup (for providers), then
+    send a message to each.
+
+    Params:
+      phone - phone number to text
+      message - message to send
+      region - region to use (defaults to US)
+      cb - function(err), provides err messages
+*/
+function sendText(phone, message, region, cb) {
+  output('txting phone', phone, ':', message);
+
+  region = region || 'us';
+
+  var providers_list = providers[region];
+
+  var done = _.after(providers_list.length, function() {
+    cb(false);
+  });
+
+  _.each(providers_list, function(provider) {
+    var email = provider.replace('%s', phone);
+    email = 'Subject: Text\r\n\r\n' + email;
+    var child = spawn('sendmail', ['-f', 'txt2@textbelt.com', email]);
+    child.stdout.on('data', output);
+    child.stderr.on('data', output);
+    child.on('error', function(data) {
+      output('sendmail failed', {email: email, data: data});
+      done();
+    });
+    child.on('exit', function(code, signal) {
+      done();
+    });
+    child.stdin.write(message + '\n.');
+    child.stdin.end();
+  });
+}
+
+module.exports = {
+  send:       sendText,     // Send a text message
+  debug:      debug         // Enable or disable debug output
+};