Fix transfers and form currencies (#1477)

app/controllers/account/trades_controller.rb

@@ -5,7 +5,10 @@ class Account::TradesController < ApplicationController
   before_action :set_entry, only: :update
 
   def new
-    @entry = @account.entries.account_trades.new(entryable_attributes: {})
+    @entry = @account.entries.account_trades.new(
+      currency: @account.currency,
+      entryable_attributes: {}
+    )
   end
 
   def index

app/controllers/account/transfers_controller.rb

@@ -16,8 +16,7 @@ class Account::TransfersController < ApplicationController
 
     @transfer = Account::Transfer.build_from_accounts from_account, to_account, \
                                              date: transfer_params[:date],
-                                             amount: transfer_params[:amount].to_d,
-                                             currency: transfer_params[:currency]
+                                             amount: transfer_params[:amount].to_d
 
     if @transfer.save
       @transfer.entries.each(&:sync_account_later)

app/controllers/account/valuations_controller.rb

@@ -4,7 +4,10 @@ class Account::ValuationsController < ApplicationController
   before_action :set_account
 
   def new
-    @entry = @account.entries.account_valuations.new(entryable_attributes: {})
+    @entry = @account.entries.account_valuations.new(
+      currency: @account.currency,
+      entryable_attributes: {}
+    )
   end
 
   def create

app/models/account/entry_builder.rb

@@ -40,6 +40,7 @@ class Account::EntryBuilder
         date: date,
         amount: amount,
         account: account,
+        currency: currency,
         transfer_account_id: transfer_account_id
     end
 end

app/models/account/transaction_builder.rb

@@ -3,7 +3,7 @@ class Account::TransactionBuilder
 
   TYPES = %w[income expense interest transfer_in transfer_out].freeze
 
-  attr_accessor :type, :amount, :date, :account, :transfer_account_id
+  attr_accessor :type, :amount, :date, :account, :currency, :transfer_account_id
 
   validates :type, :amount, :date, presence: true
   validates :type, inclusion: { in: TYPES }
@@ -45,8 +45,9 @@ class Account::TransactionBuilder
     def build_entry(account_id, amount, marked_as_transfer: false)
       Account::Entry.new \
         account_id: account_id,
+        name: marked_as_transfer ? (amount < 0 ? "Deposit" : "Withdrawal") : "Interest",
         amount: amount,
-        currency: account.currency,
+        currency: currency,
         date: date,
         marked_as_transfer: marked_as_transfer,
         entryable: Account::Transaction.new

app/models/account/transfer.rb

@@ -49,7 +49,7 @@ class Account::Transfer < ApplicationRecord
   end
 
   class << self
-    def build_from_accounts(from_account, to_account, date:, amount:, currency:)
+    def build_from_accounts(from_account, to_account, date:, amount:)
       outflow = from_account.entries.build \
         amount: amount.abs,
         currency: from_account.currency,
@@ -58,9 +58,17 @@ class Account::Transfer < ApplicationRecord
         marked_as_transfer: true,
         entryable: Account::Transaction.new
 
+      # Attempt to convert the amount to the to_account's currency. If the conversion fails,
+      # use the original amount.
+      converted_amount = begin
+        Money.new(amount.abs, from_account.currency).exchange_to(to_account.currency)
+      rescue Money::ConversionError
+        Money.new(amount.abs, from_account.currency)
+      end
+
       inflow = to_account.entries.build \
-        amount: amount.abs * -1,
-        currency: from_account.currency,
+        amount: converted_amount.amount * -1,
+        currency: converted_amount.currency.iso_code,
         date: date,
         name: "Transfer from #{from_account.name}",
         marked_as_transfer: true,

app/views/account/trades/_form.html.erb

@@ -1,6 +1,7 @@
 <%# locals: (entry:) %>
 
 <%= styled_form_with data: { turbo_frame: "_top", controller: "trade-form" },
+                     model: entry,
                      scope: :account_entry,
                      url: account_trades_path(entry.account) do |form| %>
   <div class="space-y-4">
@@ -15,7 +16,7 @@
       <%= form.date_field :date, label: true, value: Date.today %>
 
       <div data-trade-form-target="amountInput" hidden>
-        <%= form.money_field :amount, label: t(".amount"), disable_currency: true %>
+        <%= form.money_field :amount, label: t(".amount") %>
       </div>
 
       <div data-trade-form-target="transferAccountInput" hidden>
@@ -27,7 +28,7 @@
       </div>
 
       <div data-trade-form-target="priceInput">
-        <%= form.money_field :price, label: t(".price"), disable_currency: true %>
+        <%= form.money_field :price, label: t(".price"), currency_value_override: "USD", disable_currency: true %>
       </div>
     </div>
 

app/views/account/transfers/_form.html.erb

@@ -1,4 +1,4 @@
-<%= styled_form_with model: transfer, class: "space-y-4", data: { turbo_frame: "_top" } do |f| %>
+<%= styled_form_with model: transfer, class: "space-y-4", data: { turbo_frame: "_top", controller: "transfer-form" } do |f| %>
   <% if transfer.errors.present? %>
     <div class="text-red-600 flex items-center gap-2">
       <%= lucide_icon "circle-alert", class: "w-5 h-5" %>
@@ -28,8 +28,8 @@
   <section class="space-y-2">
     <%= f.collection_select :from_account_id, Current.family.accounts.manual.alphabetically, :id, :name, { prompt: t(".select_account"), label: t(".from") }, required: true %>
     <%= f.collection_select :to_account_id, Current.family.accounts.manual.alphabetically, :id, :name, { prompt: t(".select_account"), label: t(".to") }, required: true %>
-    <%= f.money_field :amount, label: t(".amount"), required: true, hide_currency: true %>
-    <%= f.date_field :date, value: transfer.date, label: t(".date"), required: true, max: Date.current %>
+    <%= f.number_field :amount, label: t(".amount"), required: true, min: 0, placeholder: "100", step: 0.00000001 %>
+    <%= f.date_field :date, value: transfer.date || Date.today, label: t(".date"), required: true, max: Date.current %>
   </section>
 
   <section>

app/views/account/valuations/_form.html.erb

@@ -6,7 +6,7 @@
                     data: { turbo: false } do |form| %>
   <div class="space-y-3">
     <%= form.date_field :date, label: true, required: true, value: Date.today, min: Account::Entry.min_supported_date, max: Date.today %>
-    <%= form.money_field :amount, label: t(".amount"), required: true, default_currency: Current.family.currency %>
+    <%= form.money_field :amount, label: t(".amount"), required: true %>
   </div>
 
   <%= form.submit t(".submit") %>

app/views/shared/_money_field.html.erb

@@ -1,6 +1,8 @@
 <%# locals: (form:, amount_method:, currency_method:, **options) %>
 
-<% currency_value = if form.object && form.object.respond_to?(currency_method)
+<% currency_value = if options[:currency_value_override].present?
+                      options[:currency_value_override]
+                    elsif form.object && form.object.respond_to?(currency_method)
                       form.object.public_send(currency_method)
                     end
    currency = Money::Currency.new(currency_value || options[:default_currency] || "USD") %>
@@ -44,7 +46,7 @@
       <div>
         <%= form.select currency_method,
                       currencies_for_select.map(&:iso_code),
-                      { inline: true },
+                      { inline: true, selected: currency_value },
                       {
                         class: "w-fit pr-5 disabled:text-gray-400 form-field__input",
                         disabled: options[:disable_currency],

test/controllers/account/trades_controller_test.rb

@@ -27,6 +27,7 @@ class Account::TradesControllerTest < ActionDispatch::IntegrationTest
           type: "transfer_in",
           date: Date.current,
           amount: 10,
+          currency: "USD",
           transfer_account_id: from_account.id
         }
       }
@@ -46,6 +47,7 @@ class Account::TradesControllerTest < ActionDispatch::IntegrationTest
           type: "transfer_out",
           date: Date.current,
           amount: 10,
+          currency: "USD",
           transfer_account_id: to_account.id
         }
       }
@@ -62,7 +64,8 @@ class Account::TradesControllerTest < ActionDispatch::IntegrationTest
         account_entry: {
           type: "transfer_out",
           date: Date.current,
-          amount: 10
+          amount: 10,
+          currency: "USD"
         }
       }
     end
@@ -80,7 +83,8 @@ class Account::TradesControllerTest < ActionDispatch::IntegrationTest
         account_entry: {
           type: "interest",
           date: Date.current,
-          amount: 10
+          amount: 10,
+          currency: "USD"
         }
       }
     end