Account Activity View + Account Forms (#1406)

* Remove balance mode, sketch out refactor

* Activity view checkpoint

* Entry partials, checkpoint

* Finish txn partial

* Give entries context when editing for different turbo responses

* Calculate change of balance for each entry

* Account tabs consolidation

* Translations, linting, brakeman updates

* Account actions concern

* Finalize forms, get account system tests passing

* Get tests passing

* Lint, rubocop, schema updates

* Improve routing and stream responses

* Fix broken routes

* Add import option for adding accounts

* Fix system test

* Fix test specificity

* Fix sparklines

* Improve account redirects

app/controllers/concerns/accountable_resource.rb

@@ -0,0 +1,60 @@
+module AccountableResource
+  extend ActiveSupport::Concern
+
+  included do
+    layout :with_sidebar
+    before_action :set_account, only: [ :show, :edit, :update, :destroy ]
+  end
+
+  class_methods do
+    def permitted_accountable_attributes(*attrs)
+      @permitted_accountable_attributes = attrs if attrs.any?
+      @permitted_accountable_attributes ||= [ :id ]
+    end
+  end
+
+  def new
+    @account = Current.family.accounts.build(
+      currency: Current.family.currency,
+      accountable: accountable_type.new,
+      institution_id: params[:institution_id]
+    )
+  end
+
+  def show
+  end
+
+  def edit
+  end
+
+  def create
+    @account = Current.family.accounts.create_and_sync(account_params.except(:return_to))
+    redirect_to account_params[:return_to].presence || @account, notice: t(".success")
+  end
+
+  def update
+    @account.update_with_sync!(account_params.except(:return_to))
+    redirect_back_or_to @account, notice: t(".success")
+  end
+
+  def destroy
+    @account.destroy!
+    redirect_to accounts_path, notice: t(".success")
+  end
+
+  private
+    def accountable_type
+      controller_name.classify.constantize
+    end
+
+    def set_account
+      @account = Current.family.accounts.find(params[:id])
+    end
+
+    def account_params
+      params.require(:account).permit(
+        :name, :is_active, :balance, :subtype, :currency, :institution_id, :accountable_type, :return_to,
+        accountable_attributes: self.class.permitted_accountable_attributes
+      )
+    end
+end