feat: Add loan start date

app/controllers/loans_controller.rb

@@ -2,6 +2,6 @@ class LoansController < ApplicationController
   include AccountableResource
 
   permitted_accountable_attributes(
-    :id, :rate_type, :interest_rate, :term_months
+    :id, :rate_type, :interest_rate, :term_months, :start_date
   )
 end

app/views/loans/_form.html.erb

@@ -21,6 +21,11 @@
                                  label: t("loans.form.term_months"),
                                  placeholder: t("loans.form.term_months_placeholder") %>
       </div>
+
+      <div class="flex items-center gap-2">
+        <%= loan_form.date_field :start_date,
+                                 label: t("loans.form.start_date") %>
+      </div>
     <% end %>
   </div>
 <% end %>

app/views/loans/_overview.html.erb

@@ -42,6 +42,10 @@
   <%= summary_card title: t(".type") do %>
     <%= account.loan.rate_type&.titleize || t(".unknown") %>
   <% end %>
+
+  <%= summary_card title: t(".start_date") do %>
+    <%= account.loan.start_date&.strftime("%B %d, %Y") || t(".unknown") %>
+  <% end %>
 </div>
 
 <div class="flex justify-center py-8">

config/locales/views/loans/en.yml

@@ -9,11 +9,13 @@ en:
       rate_type: Rate type
       term_months: Term (months)
       term_months_placeholder: '360'
+      start_date: Loan start date
     new:
       title: Enter loan details
     overview:
       interest_rate: Interest Rate
       monthly_payment: Monthly Payment
+      start_date: Start Date
       not_applicable: N/A
       original_principal: Original Principal
       remaining_principal: Remaining Principal

db/migrate/20250109165633_add_start_date_to_loans.rb

@@ -0,0 +1,5 @@
+class AddStartDateToLoans < ActiveRecord::Migration[7.2]
+  def change
+    add_column :loans, :start_date, :date
+  end
+end