Facebook generator complete for passport.js

minimizer.js

@@ -1,6 +1,7 @@
 var fs = require('fs');
 var inquirer = require('inquirer');
 var _ = require('underscore');
+var M = require('mstring')
 
 inquirer.prompt({
   type: 'list',
@@ -37,20 +38,74 @@ inquirer.prompt({
         });
       }
     }, function(answer) {
+      var passportFile = 'config/passport.js';
       if (_.contains(answer.auth, 'facebook')) {
         var search = "var FacebookStrategy = require('passport-facebook').Strategy;";
-        var body = fs.readFileSync('config/passport.js').toString();
+        var strategy = M(function() {
+          /***
+          // Sign in with Facebook.
+
+          passport.use(new FacebookStrategy(secrets.facebook, function(req, accessToken, refreshToken, profile, done) {
+            if (req.user) {
+              User.findOne({ $or: [{ facebook: profile.id }, { email: profile.email }] }, function(err, existingUser) {
+                if (existingUser) {
+                  req.flash('errors', { msg: 'There is already a Facebook account that belongs to you. Sign in with that account or delete it, then link it with your current account.' });
+                  done(err);
+                } else {
+                  User.findById(req.user.id, function(err, user) {
+                    user.facebook = profile.id;
+                    user.tokens.push({ kind: 'facebook', accessToken: accessToken });
+                    user.profile.name = user.profile.name || profile.displayName;
+                    user.profile.gender = user.profile.gender || profile._json.gender;
+                    user.profile.picture = user.profile.picture || 'https://graph.facebook.com/' + profile.id + '/picture?type=large';
+                    user.save(function(err) {
+                      req.flash('info', { msg: 'Facebook account has been linked.' });
+                      done(err, user);
+                    });
+                  });
+                }
+              });
+            } else {
+              User.findOne({ facebook: profile.id }, function(err, existingUser) {
+                if (existingUser) return done(null, existingUser);
+                User.findOne({ email: profile._json.email }, function(err, existingEmailUser) {
+                  if (existingEmailUser) {
+                    req.flash('errors', { msg: 'There is already an account using this email address. Sign in to that account and link it with Facebook manually from Account Settings.' });
+                    done(err);
+                  } else {
+                    var user = new User();
+                    user.email = profile._json.email;
+                    user.facebook = profile.id;
+                    user.tokens.push({ kind: 'facebook', accessToken: accessToken });
+                    user.profile.name = profile.displayName;
+                    user.profile.gender = profile._json.gender;
+                    user.profile.picture = 'https://graph.facebook.com/' + profile.id + '/picture?type=large';
+                    user.profile.location = (profile._json.location) ? profile._json.location.name : '';
+                    user.save(function(err) {
+                      done(err, user);
+                    });
+                  }
+                });
+              });
+            }
+          }));
+
+          ***/
+        });
+        var body = fs.readFileSync(passportFile).toString();
         if (body.indexOf(search) < 0) {
           body = body.split('\n');
           var idx = body.lastIndexOf("var passport = require('passport');");
           body.splice(idx + 1, 0, search);
+          var idx2 = body.lastIndexOf("passport.deserializeUser(function(id, done) {");
+          body.splice(idx2 + 6, 0, strategy);
+
           var output = body.join('\n');
-          fs.writeFileSync('example.js', output);
+          fs.writeFileSync(passportFile, output);
         }
       }
     });
   } else if (answer.category === 'api examples') {
     console.log('selected api examples');
   }
-})
-;
+});