Transfer and Payment auto-matching, model and UI improvements (#1585)

* Transfer data model migration

* Transfers and payment modeling and UI improvements

* Fix CI

* Transfer matching flow

* Better UI for transfers

* Auto transfer matching, approve, reject flow

* Mark transfers created from form as confirmed

* Account filtering

* Excluded rejected transfers from calculations

* Calculation tweaks with transfer exclusions

* Clean up migration

app/controllers/transfers_controller.rb

@@ -0,0 +1,66 @@
+class TransfersController < ApplicationController
+  layout :with_sidebar
+
+  before_action :set_transfer, only: %i[destroy show update]
+
+  def new
+    @transfer = Transfer.new
+  end
+
+  def show
+  end
+
+  def create
+    from_account = Current.family.accounts.find(transfer_params[:from_account_id])
+    to_account = Current.family.accounts.find(transfer_params[:to_account_id])
+
+    @transfer = Transfer.from_accounts(
+      from_account: from_account,
+      to_account: to_account,
+      date: transfer_params[:date],
+      amount: transfer_params[:amount].to_d
+    )
+
+    if @transfer.save
+      @transfer.sync_account_later
+
+      flash[:notice] = t(".success")
+
+      respond_to do |format|
+        format.html { redirect_back_or_to transactions_path }
+        redirect_target_url = request.referer || transactions_path
+        format.turbo_stream { render turbo_stream: turbo_stream.action(:redirect, redirect_target_url) }
+      end
+    else
+      render :new, status: :unprocessable_entity
+    end
+  end
+
+  def update
+    @transfer.update!(transfer_update_params)
+    respond_to do |format|
+      format.html { redirect_back_or_to transactions_url, notice: t(".success") }
+      format.turbo_stream
+    end
+  end
+
+  def destroy
+    @transfer.destroy!
+    redirect_back_or_to transactions_url, notice: t(".success")
+  end
+
+  private
+    def set_transfer
+      @transfer = Transfer.find(params[:id])
+
+      raise ActiveRecord::RecordNotFound unless @transfer.belongs_to_family?(Current.family)
+    end
+
+    def transfer_params
+      params.require(:transfer).permit(:from_account_id, :to_account_id, :amount, :date, :name, :excluded)
+    end
+
+    def transfer_update_params
+      params.require(:transfer).permit(:notes, :status)
+    end
+end