migrate templates to mustache

lib/emailservice.js

@@ -3,6 +3,7 @@
 var _ = require('lodash');
 var $ = require('preconditions').singleton();
 var async = require('async');
+var Mustache = require('mustache');
 var log = require('npmlog');
 log.debug = log.verbose;
 var fs = require('fs');
@@ -98,8 +99,8 @@ EmailService.prototype._readTemplate = function(filename, cb) {
     }
     var lines = template.split('\n');
     return cb(null, {
-      subject: _.template(lines[0]),
-      body: _.template(_.rest(lines).join('\n')),
+      subject: lines[0],
+      body: _.rest(lines).join('\n'),
     });
   });
 };
@@ -107,7 +108,7 @@ EmailService.prototype._readTemplate = function(filename, cb) {
 EmailService.prototype._applyTemplate = function(template, data, cb) {
   var result = _.mapValues(template, function(t) {
     try {
-      return t(data);
+      return Mustache.render(t, data);
     } catch (e) {
       log.error('Could not apply data to template', e);
       return cb(e);

lib/templates/new_copayer.plain

@@ -1,2 +1,2 @@
-<%= subjectPrefix %>New copayer
-A new copayer just joined your wallet <%= walletName %>.
+{{subjectPrefix}}New copayer
+A new copayer just joined your wallet {{walletName}}.

lib/templates/new_incoming_tx.plain

@@ -1,2 +1,2 @@
-<%= subjectPrefix %>New payment received
-A payment of <%= amount %> has been received into your wallet <%= walletName %>.
+{{subjectPrefix}}New payment received
+A payment of {{amount}} has been received into your wallet {{walletName}}.

lib/templates/new_outgoing_tx.plain

@@ -1,2 +1,2 @@
-<%= subjectPrefix %>Payment sent
-A Payment of <%= amount %> has been sent from your wallet <%= walletName %>.
+{{subjectPrefix}}Payment sent
+A Payment of {{amount}} has been sent from your wallet {{walletName}}.

lib/templates/new_tx_proposal.plain

@@ -1,2 +1,2 @@
-<%= subjectPrefix %>New payment proposal
-A new payment proposal has been created in your wallet <%= walletName %> by <%= creatorName %>.
+{{subjectPrefix}}New payment proposal
+A new payment proposal has been created in your wallet {{walletName}} by {{creatorName}}.

lib/templates/txp_finally_rejected.plain

@@ -1,2 +1,2 @@
-<%= subjectPrefix %>Payment proposal rejected
-A payment proposal in your wallet <%= walletName %> has been rejected by <%= creatorName %>.
+{{subjectPrefix}}Payment proposal rejected
+A payment proposal in your wallet {{walletName}} has been rejected by {{creatorName}}.

lib/templates/wallet_complete.plain

@@ -1,2 +1,2 @@
-<%= subjectPrefix %>Wallet complete
-Your wallet <%= walletName %> is complete.
+{{subjectPrefix}}Wallet complete
+Your wallet {{walletName}} is complete.