Plaid item UI broadcasts for sync

app/models/account.rb

@@ -61,6 +61,18 @@ class Account < ApplicationRecord
     end
   end
 
+  def syncing?
+    self_syncing = syncs.incomplete.any?
+
+    # Since Plaid Items sync as a "group", if the item is syncing, even if the account
+    # sync hasn't yet started (i.e. we're still fetching the Plaid data), show it as syncing in UI.
+    if linked?
+      plaid_account&.plaid_item&.syncing? || self_syncing
+    else
+      self_syncing
+    end
+  end
+
   def institution_domain
     url_string = plaid_account&.plaid_item&.institution_url
     return nil unless url_string.present?

app/models/account/syncer.rb

@@ -14,6 +14,12 @@ class Account::Syncer
     account.family.auto_match_transfers!
     account.broadcast_refresh
     SyncCompleteEvent.new(account.family, accounts: [ account ]).broadcast
+    account.broadcast_replace_to(
+      account.family,
+      target: "account_#{account.id}",
+      partial: "accounts/account",
+      locals: { account: account }
+    )
   end
 
   private

app/models/concerns/syncable.rb

@@ -6,7 +6,7 @@ module Syncable
   end
 
   def syncing?
-    syncs.incomplete.any?
+    raise NotImplementedError, "Subclasses must implement the syncing? method"
   end
 
   def sync_later(parent_sync: nil, window_start_date: nil, window_end_date: nil)

app/models/plaid_item/syncer.rb

@@ -25,6 +25,12 @@ class PlaidItem::Syncer
   def perform_post_sync
     plaid_item.auto_match_categories!
     SyncCompleteEvent.new(plaid_item.family, accounts: plaid_item.accounts).broadcast
+    plaid_item.broadcast_replace_to(
+      plaid_item.family,
+      target: "plaid_item_#{plaid_item.id}",
+      partial: "plaid_items/plaid_item",
+      locals: { plaid_item: plaid_item }
+    )
   end
 
   private