Account::Entry Delegated Type (namespace updates part 7) (#923)

* Initial entryable models

* Update transfer and tests

* Update transaction controllers and tests

* Update sync process to use new entries model

* Get dashboard working again

* Update transfers, imports, and accounts to use Account::Entry

* Update system tests

* Consolidate transaction management into entries controller

* Add permitted partial key helper

* Move account transactions list to entries controller

* Delegate transaction entries search

* Move transfer relation to entry

* Update bulk transaction management flows to use entries

* Remove test code

* Test fix attempt

* Update demo data script

* Consolidate remaining transaction partials to entries

* Consolidate valuations controller to entries controller

* Lint fix

* Remove unused files, additional cleanup

* Add back valuation creation

* Make migrations fully reversible

* Stale routes cleanup

* Migrations reversible fix

* Move types to entryable concern

* Fix search when no entries found

* Remove more unused code

test/models/account/entry_test.rb

@@ -0,0 +1,75 @@
+require "test_helper"
+
+class Account::EntryTest < ActiveSupport::TestCase
+  setup do
+    @entry = account_entries :checking_one
+    @family = families :dylan_family
+  end
+
+  test "valuations cannot have more than one entry per day" do
+    new_entry = Account::Entry.new \
+      entryable: Account::Valuation.new,
+      date: @entry.date, # invalid
+      currency: @entry.currency,
+      amount: @entry.amount
+
+    assert new_entry.invalid?
+  end
+
+  test "triggers sync with correct start date when transaction is set to prior date" do
+    prior_date = @entry.date - 1
+    @entry.update! date: prior_date
+
+    @entry.account.expects(:sync_later).with(prior_date)
+    @entry.sync_account_later
+  end
+
+  test "triggers sync with correct start date when transaction is set to future date" do
+    prior_date = @entry.date
+    @entry.update! date: @entry.date + 1
+
+    @entry.account.expects(:sync_later).with(prior_date)
+    @entry.sync_account_later
+  end
+
+  test "triggers sync with correct start date when transaction deleted" do
+    prior_entry = account_entries(:checking_two) # 12 days ago
+    current_entry = account_entries(:checking_one) # 5 days ago
+    current_entry.destroy!
+
+    current_entry.account.expects(:sync_later).with(prior_entry.date)
+    current_entry.sync_account_later
+  end
+
+  test "can search entries" do
+    params = { search: "a" }
+
+    assert_equal 12, Account::Entry.search(params).size
+
+    params = params.merge(categories: [ "Food & Drink" ]) # transaction specific search param
+
+    assert_equal 2, Account::Entry.search(params).size
+  end
+
+  test "can calculate total spending for a group of transactions" do
+    assert_equal Money.new(2135), @family.entries.expense_total("USD")
+    assert_equal Money.new(1010.85, "EUR"), @family.entries.expense_total("EUR")
+  end
+
+  test "can calculate total income for a group of transactions" do
+    assert_equal -Money.new(2075), @family.entries.income_total("USD")
+    assert_equal -Money.new(250, "EUR"), @family.entries.income_total("EUR")
+  end
+
+  # See: https://github.com/maybe-finance/maybe/wiki/vision#signage-of-money
+  test "transactions with negative amounts are inflows, positive amounts are outflows to an account" do
+    inflow_transaction = account_entries(:checking_four)
+    outflow_transaction = account_entries(:checking_five)
+
+    assert inflow_transaction.amount < 0
+    assert inflow_transaction.inflow?
+
+    assert outflow_transaction.amount >= 0
+    assert outflow_transaction.outflow?
+  end
+end