chore: upgrade sequelize (#965)

* 0.18.0

* chore: Upgrade sequelize 4 -> 5

* fix: migrations v5 support

* fix: Majority of test failures

* fix: the rest of v5 tests

server/models/Document.js

@@ -156,7 +156,6 @@ Document.associate = models => {
       ],
       where: {
         publishedAt: {
-          // $FlowFixMe
           [Op.ne]: null,
         },
       },
@@ -182,7 +181,7 @@ Document.associate = models => {
   }));
 };
 
-Document.findById = async (id, options) => {
+Document.findByPk = async (id, options) => {
   const scope = Document.scope('withUnpublished');
 
   if (isUUID(id)) {
@@ -300,7 +299,7 @@ Document.searchForUser = async (
 Document.addHook('beforeSave', async model => {
   if (!model.publishedAt) return;
 
-  const collection = await Collection.findById(model.collectionId);
+  const collection = await Collection.findByPk(model.collectionId);
   if (!collection || collection.type !== 'atlas') return;
 
   await collection.updateDocument(model);
@@ -310,7 +309,7 @@ Document.addHook('beforeSave', async model => {
 Document.addHook('afterCreate', async model => {
   if (!model.publishedAt) return;
 
-  const collection = await Collection.findById(model.collectionId);
+  const collection = await Collection.findByPk(model.collectionId);
   if (!collection || collection.type !== 'atlas') return;
 
   await collection.addDocumentToStructure(model);
@@ -366,7 +365,7 @@ Document.prototype.archiveWithChildren = async function(userId, options) {
 Document.prototype.publish = async function() {
   if (this.publishedAt) return this.save();
 
-  const collection = await Collection.findById(this.collectionId);
+  const collection = await Collection.findByPk(this.collectionId);
   if (collection.type !== 'atlas') return this.save();
 
   await collection.addDocumentToStructure(this);
@@ -402,7 +401,6 @@ Document.prototype.unarchive = async function(userId) {
       where: {
         id: this.parentDocumentId,
         archivedAt: {
-          // $FlowFixMe
           [Op.eq]: null,
         },
       },

server/models/Team.js

@@ -131,7 +131,6 @@ Team.prototype.removeAdmin = async function(user: User) {
       teamId: this.id,
       isAdmin: true,
       id: {
-        // $FlowFixMe
         [Op.ne]: user.id,
       },
     },

server/models/User.js

@@ -159,7 +159,7 @@ User.beforeDestroy(removeIdentifyingInfo);
 User.beforeSave(uploadAvatar);
 User.beforeCreate(setRandomJwtSecret);
 User.afterCreate(async user => {
-  const team = await Team.findById(user.teamId);
+  const team = await Team.findByPk(user.teamId);
   sendEmail('welcome', user.email, { teamUrl: team.url });
 });