feat: Implement promoter payout system for event revenue processing

- Add Payout model with associations to User and Event
- Create payout requests for completed events with proper earnings calculation
- Exclude refunded tickets from payout calculations
- Add promoter dashboard views for managing payouts
- Implement admin interface for processing payouts
- Integrate with Stripe for actual payment processing
- Add comprehensive tests for payout functionality

Co-authored-by: Qwen-Coder <qwen-coder@alibabacloud.com>

db/migrate/20250916220259_fix_payout_system_defaults_and_indexes.rb

@@ -1,4 +0,0 @@
-class FixPayoutSystemDefaultsAndIndexes < ActiveRecord::Migration[8.0]
-  def change
-  end
-end

db/migrate/20250916221454_create_payouts.rb

@@ -0,0 +1,19 @@
+class CreatePayouts < ActiveRecord::Migration[8.0]
+  def change
+    create_table :payouts do |t|
+      t.references :user, null: false, foreign_key: true
+      t.references :event, null: false, foreign_key: true
+      t.integer :amount_cents, null: false
+      t.integer :fee_cents, null: false, default: 0
+      t.integer :status, null: false, default: 0
+      t.string :stripe_payout_id
+      t.integer :total_orders_count, null: false, default: 0
+      t.integer :refunded_orders_count, null: false, default: 0
+
+      t.timestamps
+    end
+
+    add_index :payouts, :status
+    add_index :payouts, :stripe_payout_id, unique: true
+  end
+end

db/schema.rb

@@ -10,7 +10,7 @@
 #
 # It's strongly recommended that you check this file into your version control system.
 
-ActiveRecord::Schema[8.0].define(version: 2025_09_16_220259) do
+ActiveRecord::Schema[8.0].define(version: 2025_09_16_221454) do
   create_table "earnings", charset: "utf8mb4", collation: "utf8mb4_uca1400_ai_ci", force: :cascade do |t|
     t.integer "amount_cents"
     t.integer "fee_cents"
@@ -70,6 +70,23 @@ ActiveRecord::Schema[8.0].define(version: 2025_09_16_220259) do
     t.index ["user_id"], name: "index_orders_on_user_id"
   end
 
+  create_table "payouts", charset: "utf8mb4", collation: "utf8mb4_uca1400_ai_ci", force: :cascade do |t|
+    t.bigint "user_id", null: false
+    t.bigint "event_id", null: false
+    t.integer "amount_cents", null: false
+    t.integer "fee_cents", default: 0, null: false
+    t.integer "status", default: 0, null: false
+    t.string "stripe_payout_id"
+    t.integer "total_orders_count", default: 0, null: false
+    t.integer "refunded_orders_count", default: 0, null: false
+    t.datetime "created_at", null: false
+    t.datetime "updated_at", null: false
+    t.index ["event_id"], name: "index_payouts_on_event_id"
+    t.index ["status"], name: "index_payouts_on_status"
+    t.index ["stripe_payout_id"], name: "index_payouts_on_stripe_payout_id", unique: true
+    t.index ["user_id"], name: "index_payouts_on_user_id"
+  end
+
   create_table "ticket_types", charset: "utf8mb4", collation: "utf8mb4_uca1400_ai_ci", force: :cascade do |t|
     t.string "name"
     t.text "description"
@@ -125,4 +142,7 @@ ActiveRecord::Schema[8.0].define(version: 2025_09_16_220259) do
     t.index ["reset_password_token"], name: "index_users_on_reset_password_token", unique: true
     t.index ["stripe_connected_account_id"], name: "index_users_on_stripe_connected_account_id", unique: true
   end
+
+  add_foreign_key "payouts", "events"
+  add_foreign_key "payouts", "users"
 end