feat: implement payout system database schema and models

app/services/payout_service.rb

@@ -0,0 +1,92 @@
+class PayoutService
+  def initialize(promoter_id = nil)
+    @promoter_id = promoter_id
+  end
+
+  def process_pending_payouts
+    scope = Earnings.pending
+    scope = scope.where(user_id: @promoter_id) if @promoter_id.present?
+
+    scope.includes(:user, :order, :event).group_by(&:user_id).each do |user_id, earnings|
+      process_payout_for_user(user_id, earnings)
+    end
+  end
+
+  def process_event_payout(event)
+    return unless event.can_request_payout?
+
+    earnings = event.earnings.pending
+    total_cents = earnings.sum(:amount_cents)
+    fees_cents = event.total_fees_cents
+    net_cents = total_cents - fees_cents
+
+    return if net_cents <= 0
+
+    begin
+      event.update!(payout_status: :processing)
+
+      transfer = Stripe::Transfer.create(
+        amount: net_cents / 100,
+        currency: "eur",
+        destination: event.user.stripe_account_id,
+        description: "Payout for event: #{event.name}",
+        metadata: {
+          event_id: event.id,
+          promoter_id: event.user_id,
+          gross_amount: total_cents,
+          fees: fees_cents,
+          net_amount: net_cents
+        }
+      )
+
+      earnings.update_all(
+        status: :paid,
+        fee_cents: fees_cents,
+        net_amount_cents: net_cents,
+        stripe_payout_id: transfer.id
+      )
+
+      event.update!(
+        payout_status: :completed,
+        payout_requested_at: Time.current
+      )
+
+      Rails.logger.info "Processed event payout #{transfer.id} for event #{event.id}: €#{net_cents / 100.0}"
+    rescue Stripe::StripeError => e
+      event.update!(payout_status: :failed)
+      Rails.logger.error "Payout failed for event #{event.id}: #{e.message}"
+      raise e
+    end
+  end
+
+  private
+
+  def process_payout_for_user(user_id, earnings)
+    user = User.find(user_id)
+    return unless user.stripe_account_id.present?
+
+    total_amount_cents = earnings.sum(:amount_cents)
+
+    begin
+      transfer = Stripe::Transfer.create(
+        amount: total_amount_cents / 100,
+        currency: "eur",
+        destination: user.stripe_account_id,
+        description: "Payout for promoter #{user_id} - Total: €#{total_amount_cents / 100.0}",
+        metadata: {
+          promoter_id: user_id,
+          earnings_ids: earnings.map(&:id).join(",")
+        }
+      )
+
+      earnings.update_all(
+        status: :paid,
+        stripe_payout_id: transfer.id
+      )
+
+      Rails.logger.info "Processed payout #{transfer.id} for promoter #{user_id}: €#{total_amount_cents / 100.0}"
+    rescue Stripe::StripeError => e
+      Rails.logger.error "Failed to process payout for promoter #{user_id}: #{e.message}"
+    end
+  end
+end