feat(notifications): add user notifications

fix gravitee-io/issues#929

upgrades/1.14.0/README.adoc

@@ -8,3 +8,8 @@ Before running any script, please create a dump of your existing database.
 upgrades/1.14.0/mongodb/1-users-migration.js::
 This script remove plain username reference and prefer UUID.
 
+upgrades/1.14.0/mongodb/2-init-email-notifications ::
+This script create a default email notifier for each Application and API Primary Owner.
+
+*This script is not mandatory !*
+If you don't need/want email notification on your existing APIs/Applications, just ignore it.

upgrades/1.14.0/mongodb/2-init-email-notifications.js

@@ -0,0 +1,59 @@
+var now = new Date();
+
+function guid() {
+  function s4() {
+    return Math.floor((1 + Math.random()) * 0x10000)
+      .toString(16)
+      .substring(1);
+  }
+  return s4() + s4() + '-' + s4() + '-' + s4() + '-' +
+    s4() + '-' + s4() + s4() + s4();
+}
+
+function getConfig(membership, user) {
+  var hooks = [];
+  if ("API" === membership._id.referenceType) {
+    hooks = [
+      "APIKEY_EXPIRED",
+      "APIKEY_REVOKED",
+      "SUBSCRIPTION_NEW",
+      "SUBSCRIPTION_ACCEPTED",
+      "SUBSCRIPTION_CLOSED",
+      "SUBSCRIPTION_REJECTED"
+    ];
+  } else {
+    hooks = [
+      "SUBSCRIPTION_NEW",
+      "SUBSCRIPTION_ACCEPTED",
+      "SUBSCRIPTION_CLOSED",
+      "SUBSCRIPTION_REJECTED"
+    ];
+  }
+  return {
+    _id: guid(),
+    _class: 'io.gravitee.repository.mongodb.management.internal.model.GenericNotificationConfigMongo',
+    name: "Default Mail Notifications",
+    referenceType: membership._id.referenceType,
+    referenceId: membership._id.referenceId,
+    notifier: "default-email",
+    config: user.email,
+    hooks: hooks,
+    createdAt: now,
+    updatedAt: now
+  }
+}
+
+db.memberships.find({'roles': {$in: ['3:PRIMARY_OWNER', '4:PRIMARY_OWNER']}}).forEach(
+  function (membership) {
+    user = db.users.findOne({'_id': membership._id.userId});
+    if (user && user.email) {
+      print ("Create an email notification for "
+        + user.email
+        + " and " + membership._id.referenceType
+        + " " + membership._id.referenceId);
+
+      db.genericnotificationconfigs.insert(getConfig())
+    }
+  }
+);
+