merge oidc and local account if exists

models/users.js

@@ -460,15 +460,31 @@ if (Meteor.isServer) {
     }
 
     if (user.services.oidc) {
+      var email = user.services.oidc.email.toLowerCase();
+      
       user.username = user.services.oidc.username;
-      user.emails = [{
-                               address: user.services.oidc.email.toLowerCase(),
-                               verified: false,
-                             }];
-      const initials = user.services.oidc.fullname.match(/\b[a-zA-Z]/g).join('').toUpperCase();
+      user.emails = [{ address: email,
+		       verified: true }];
+      var initials = user.services.oidc.fullname.match(/\b[a-zA-Z]/g).join('').toUpperCase();
       user.profile = { initials: initials, fullname: user.services.oidc.fullname };
-    }
 
+      // see if any existing user has this email address or username, otherwise create new
+      var existingUser = Meteor.users.findOne({$or: [{'emails.address': email}, {'username':user.username}]});
+	    console.log("user to create : ");
+	    console.log(user);
+      if (!existingUser)
+        return user;
+
+      // copy across new service info
+      var service = _.keys(user.services)[0];
+      existingUser.services[service] = user.services[service];
+      existingUser.emails = user.emails;
+      existingUser.username = user.username;
+      existingUser.profile = user.profile;
+
+      Meteor.users.remove({_id: existingUser._id}); // remove existing record
+      return existingUser;
+    }
 
     if (options.from === 'admin') {
       user.createdThroughApi = true;