Allow user to add buy and sell trade transactions for investment accounts (#1066)

* Consolidate modal form structure into partial + helper

* Scaffold out trade transaction form

* Normalize translations

* Add buy and sell trade form with tests

* Move entryable lists to dedicated controllers

* Delegate entry group contents rendering

* More cleanup

* Extract transaction and valuation update logic from entries controller

* Delegate edit and show actions to entryables

* Trade builder

* Update paths for transaction updates

test/controllers/account/trades_controller_test.rb

@@ -0,0 +1,63 @@
+require "test_helper"
+
+class Account::TradesControllerTest < ActionDispatch::IntegrationTest
+  setup do
+    sign_in @user = users(:family_admin)
+    @entry = account_entries :trade
+  end
+
+  test "should get index" do
+    get account_trades_url(@entry.account)
+    assert_response :success
+  end
+
+  test "should get new" do
+    get new_account_trade_url(@entry.account)
+    assert_response :success
+  end
+
+  test "creates trade buy entry" do
+    assert_difference [ "Account::Entry.count", "Account::Trade.count", "Security.count" ], 1 do
+      post account_trades_url(@entry.account), params: {
+        account_entry: {
+          type: "buy",
+          date: Date.current,
+          ticker: "NVDA",
+          qty: 10,
+          price: 10
+        }
+      }
+    end
+
+    created_entry = Account::Entry.order(created_at: :desc).first
+
+    assert created_entry.amount.positive?
+    assert created_entry.account_trade.qty.positive?
+    assert_equal "Transaction created successfully.", flash[:notice]
+    assert_enqueued_with job: AccountSyncJob
+    assert_redirected_to account_path(@entry.account)
+  end
+
+  test "creates trade sell entry" do
+    assert_difference [ "Account::Entry.count", "Account::Trade.count" ], 1 do
+      post account_trades_url(@entry.account), params: {
+        account_entry: {
+          type: "sell",
+          ticker: "AAPL",
+          date: Date.current,
+          currency: "USD",
+          qty: 10,
+          price: 10
+        }
+      }
+    end
+
+    created_entry = Account::Entry.order(created_at: :desc).first
+
+    assert created_entry.amount.negative?
+    assert created_entry.account_trade.qty.negative?
+    assert_equal "Transaction created successfully.", flash[:notice]
+    assert_enqueued_with job: AccountSyncJob
+    assert_redirected_to account_path(@entry.account)
+  end
+end