feat(sync): add Brex provider connections

.gitignore

@@ -124,6 +124,3 @@ scripts/
 .claude_settings.json
 .security-key
 logs/security/
-
-# Added by codex
-.codex

app/components/DS/dialog.rb

@@ -133,8 +133,8 @@ def close_button
       variant: "icon",
       class: classes,
       icon: "x",
-      title: I18n.t("common.close"),
-      aria_label: I18n.t("common.close"),
+      title: I18n.t("defaults.common.close"),
+      aria_label: I18n.t("defaults.common.close"),
       data: { action: "DS--dialog#close" }
     )
   end

app/controllers/accounts_controller.rb

@@ -17,6 +17,7 @@ def index
     @enable_banking_items = visible_provider_items(family.enable_banking_items.ordered.includes(:syncs))
     @coinstats_items = visible_provider_items(family.coinstats_items.ordered.includes(:coinstats_accounts, :accounts, :syncs))
     @mercury_items = visible_provider_items(family.mercury_items.ordered.includes(:syncs, :mercury_accounts))
+    @brex_items = visible_provider_items(family.brex_items.ordered.includes(:accounts, :syncs, brex_accounts: :account_provider))
     @coinbase_items = visible_provider_items(family.coinbase_items.ordered.includes(:coinbase_accounts, :accounts, :syncs))
     @snaptrade_items = visible_provider_items(family.snaptrade_items.ordered.includes(:syncs, :snaptrade_accounts))
     @indexa_capital_items = visible_provider_items(family.indexa_capital_items.ordered.includes(:syncs, :indexa_capital_accounts))
@@ -314,6 +315,27 @@ def build_sync_stats_maps
         @mercury_sync_stats_map[item.id] = latest_sync&.sync_stats || {}
       end
 
+      # Brex sync stats
+      @brex_sync_stats_map = {}
+      @brex_account_counts_map = {}
+      @brex_institutions_count_map = {}
+      @brex_items.each do |item|
+        latest_sync = item.syncs.ordered.first
+        @brex_sync_stats_map[item.id] = latest_sync&.sync_stats || {}
+        brex_accounts = item.brex_accounts.to_a
+        linked_count = brex_accounts.count { |brex_account| brex_account.account_provider.present? }
+        total_count = brex_accounts.count
+        @brex_account_counts_map[item.id] = {
+          linked: linked_count,
+          unlinked: total_count - linked_count,
+          total: total_count
+        }
+        @brex_institutions_count_map[item.id] = brex_accounts
+          .filter_map(&:institution_metadata)
+          .uniq { |institution| institution["name"] || institution["institution_name"] }
+          .count
+      end
+
       # Coinbase sync stats
       @coinbase_sync_stats_map = {}
       @coinbase_unlinked_count_map = {}

app/controllers/brex_items/account_flows_controller.rb

@@ -0,0 +1,132 @@
+class BrexItems::AccountFlowsController < ApplicationController
+  before_action :require_admin!
+
+  def preload_accounts
+    render json: brex_account_flow.preload_payload
+  end
+
+  def select_accounts
+    @accountable_type = params[:accountable_type] || "Depository"
+    @return_to = safe_return_to_path
+    result = brex_account_flow.select_accounts_result(accountable_type: @accountable_type)
+
+    return handle_brex_selection_result(result, empty_path: new_account_path, api_return_path: @return_to) unless result.success?
+
+    @brex_item = result.brex_item
+    @available_accounts = result.available_accounts
+
+    render "brex_items/select_accounts", layout: false
+  end
+
+  def link_accounts
+    result = brex_account_flow.link_new_accounts_result(
+      account_ids: params[:account_ids] || [],
+      accountable_type: params[:accountable_type] || "Depository"
+    )
+
+    redirect_with_navigation(result, return_to: safe_return_to_path)
+  end
+
+  def select_existing_account
+    return redirect_to accounts_path, alert: t("brex_items.select_existing_account.no_account_specified") if params[:account_id].blank?
+
+    @account = Current.family.accounts.find_by(id: params[:account_id])
+    return redirect_to accounts_path, alert: t("brex_items.select_existing_account.no_account_specified") unless @account
+
+    result = brex_account_flow.select_existing_account_result(account: @account)
+
+    return handle_brex_selection_result(result, empty_path: accounts_path, api_return_path: accounts_path) unless result.success?
+
+    @brex_item = result.brex_item
+    @available_accounts = result.available_accounts
+    @return_to = safe_return_to_path
+
+    render "brex_items/select_existing_account", layout: false
+  end
+
+  def link_existing_account
+    return redirect_to accounts_path, alert: t("brex_items.link_existing_account.no_account_specified") if params[:account_id].blank?
+
+    account = Current.family.accounts.find_by(id: params[:account_id])
+    return redirect_to accounts_path, alert: t("brex_items.link_existing_account.no_account_specified") unless account
+
+    result = brex_account_flow.link_existing_account_result(
+      account: account,
+      brex_account_id: params[:brex_account_id]
+    )
+
+    redirect_with_navigation(result, return_to: safe_return_to_path)
+  end
+
+  private
+
+    def brex_account_flow
+      @brex_account_flow ||= BrexItem::AccountFlow.new(family: Current.family, brex_item_id: params[:brex_item_id])
+    end
+
+    def handle_brex_selection_result(result, empty_path:, api_return_path:)
+      case result.status
+      when :empty, :account_already_linked
+        redirect_to empty_path, alert: result.message
+      when :no_api_token, :select_connection
+        redirect_to settings_providers_path, alert: result.message
+      when :setup_required
+        if turbo_frame_request?
+          render partial: "brex_items/setup_required", layout: false
+        else
+          redirect_to settings_providers_path, alert: result.message
+        end
+      when :api_error, :unexpected_error
+        render_api_error_partial(result.message, api_return_path)
+      else
+        redirect_to settings_providers_path, alert: result.message
+      end
+    end
+
+    def redirect_with_navigation(result, return_to:)
+      redirect_to navigation_path_for(result.target, return_to: return_to), result.flash_type => result.message
+    end
+
+    def navigation_path_for(target, return_to:)
+      {
+        new_account: new_account_path,
+        settings_providers: settings_providers_path,
+        return_to_or_accounts: return_to || accounts_path
+      }.fetch(target, accounts_path)
+    end
+
+    def render_api_error_partial(error_message, return_path)
+      render partial: "brex_items/api_error", locals: { error_message: error_message, return_path: return_path }, layout: false
+    end
+
+    def safe_return_to_path
+      return nil if params[:return_to].blank?
+
+      return_to = params[:return_to].to_s.strip
+      return nil unless return_to.start_with?("/")
+
+      second_character = return_to[1]
+      return nil if second_character.blank?
+      return nil if second_character == "/" || second_character == "\\"
+      return nil if second_character.match?(/[[:space:][:cntrl:]]/)
+      return nil if encoded_path_separator?(return_to)
+
+      uri = URI.parse(return_to)
+
+      return nil if uri.scheme.present? || uri.host.present?
+
+      return_to
+    rescue URI::InvalidURIError
+      nil
+    end
+
+    def encoded_path_separator?(return_to)
+      encoded_second_character = return_to[1, 3]
+      return false unless encoded_second_character&.start_with?("%")
+
+      decoded = URI.decode_www_form_component(encoded_second_character)
+      decoded == "/" || decoded == "\\"
+    rescue ArgumentError
+      false
+    end
+end

app/controllers/brex_items/account_setups_controller.rb

@@ -0,0 +1,100 @@
+class BrexItems::AccountSetupsController < ApplicationController
+  before_action :require_admin!
+  before_action :set_brex_item
+
+  def setup_accounts
+    flow = brex_account_flow
+    @api_error = flow.import_accounts_with_user_facing_error
+    @brex_accounts = flow.unlinked_brex_accounts
+    @account_type_options = flow.account_type_options
+    @subtype_options = flow.subtype_options
+
+    render "brex_items/setup_accounts"
+  end
+
+  def complete_account_setup
+    result = brex_account_flow.complete_setup_result(
+      account_types: sanitized_account_types,
+      account_subtypes: sanitized_account_subtypes
+    )
+
+    unless result.success?
+      redirect_to accounts_path, alert: result.message, status: :see_other
+      return
+    end
+
+    flash[:notice] = result.message
+
+    if turbo_frame_request?
+      render_accounts_update_after_setup
+    else
+      redirect_to accounts_path, status: :see_other
+    end
+  end
+
+  private
+
+    def set_brex_item
+      @brex_item = Current.family.brex_items.find(params[:id])
+    end
+
+    def brex_account_flow
+      @brex_account_flow ||= BrexItem::AccountFlow.new(family: Current.family, brex_item: @brex_item)
+    end
+
+    def render_accounts_update_after_setup
+      @manual_accounts = Account.uncached { Current.family.accounts.visible_manual.order(:name).to_a }
+      @brex_items = Current.family.brex_items.ordered
+
+      manual_accounts_stream = if @manual_accounts.any?
+        turbo_stream.update(
+          "manual-accounts",
+          partial: "accounts/index/manual_accounts",
+          locals: { accounts: @manual_accounts }
+        )
+      else
+        turbo_stream.replace("manual-accounts", view_context.tag.div(id: "manual-accounts"))
+      end
+
+      render turbo_stream: [
+        manual_accounts_stream,
+        turbo_stream.replace(
+          ActionView::RecordIdentifier.dom_id(@brex_item),
+          partial: "brex_items/brex_item",
+          locals: { brex_item: @brex_item }
+        )
+      ] + Array(flash_notification_stream_items)
+    end
+
+    def sanitized_account_types
+      allowed_account_ids = @brex_item.brex_accounts.pluck(:id).map(&:to_s)
+      supported_types = Provider::BrexAdapter.supported_account_types
+
+      setup_param_hash(:account_types).each_with_object({}) do |(account_id, selected_type), sanitized|
+        next unless allowed_account_ids.include?(account_id.to_s)
+
+        normalized_type = selected_type.to_s
+        sanitized[account_id.to_s] = supported_types.include?(normalized_type) ? normalized_type : "skip"
+      end
+    end
+
+    def sanitized_account_subtypes
+      allowed_account_ids = @brex_item.brex_accounts.pluck(:id).map(&:to_s)
+      allowed_subtypes = (Depository::SUBTYPES.keys + CreditCard::SUBTYPES.keys).map(&:to_s)
+
+      setup_param_hash(:account_subtypes).each_with_object({}) do |(account_id, selected_subtype), sanitized|
+        next unless allowed_account_ids.include?(account_id.to_s)
+        next if selected_subtype.blank?
+        next unless allowed_subtypes.include?(selected_subtype.to_s)
+
+        sanitized[account_id.to_s] = selected_subtype.to_s
+      end
+    end
+
+    def setup_param_hash(key)
+      raw_params = params.fetch(key, {})
+      return {} if raw_params.blank?
+
+      raw_params.respond_to?(:to_unsafe_h) ? raw_params.to_unsafe_h : raw_params.to_h
+    end
+end