Basic Plaid Integration (#1433)

* Basic plaid data model and linking

* Remove institutions, add plaid items

* Improve schema and Plaid provider

* Add webhook verification sketch

* Webhook verification

* Item accounts and balances sync setup

* Provide test encryption keys

* Fix test

* Only provide encryption keys in prod

* Try defining keys in test env

* Consolidate account sync logic

* Add back plaid account initialization

* Plaid transaction sync

* Sync UI overhaul for Plaid

* Add liability and investment syncing

* Handle investment webhooks and process current day holdings

* Remove logs

* Remove "all" period select for performance

* fix amount calc

* Remove todo comment

* Coming soon for investment historical data

* Document Plaid configuration

* Listen for holding updates

app/models/sync.rb

@@ -0,0 +1,39 @@
+class Sync < ApplicationRecord
+  belongs_to :syncable, polymorphic: true
+
+  enum :status, { pending: "pending", syncing: "syncing", completed: "completed", failed: "failed" }
+
+  scope :ordered, -> { order(created_at: :desc) }
+
+  def perform
+    start!
+
+    syncable.sync_data(start_date: start_date)
+
+    complete!
+  rescue StandardError => error
+    fail! error
+    raise error if Rails.env.development?
+  end
+
+  private
+    def family
+      syncable.is_a?(Family) ? syncable : syncable.family
+    end
+
+    def start!
+      update! status: :syncing
+    end
+
+    def complete!
+      update! status: :completed, last_ran_at: Time.current
+
+      family.broadcast_refresh
+    end
+
+    def fail!(error)
+      update! status: :failed, error: error.message, last_ran_at: Time.current
+
+      family.broadcast_refresh
+    end
+end