Initial commit

db/migrate/20180305111648_create_withdraw_destinations_drop_fund_source.rb

@@ -0,0 +1,48 @@
+# encoding: UTF-8
+# frozen_string_literal: true
+
+class CreateWithdrawDestinationsDropFundSource < ActiveRecord::Migration[4.2]
+  def change
+    create_table :withdraw_destinations do |t|
+      t.string  :type,        null: false, limit: 30, index: true
+      t.integer :member_id,   null: false, index: true
+      t.integer :currency_id, null: false, index: true
+      t.string  :details,     limit: 4.kilobytes, null: false, default: '{}'
+      t.timestamps            null: false
+    end
+
+    add_column :withdraws, :destination_id, :integer, after: :id, null: true, index: true
+
+    migrate_existing_data
+
+    remove_column :withdraws, :fund_uid
+    remove_column :withdraws, :fund_extra
+
+    rename_column :accounts, :default_withdraw_fund_source_id, :default_withdraw_destination_id
+    drop_table :fund_sources
+  end
+
+private
+
+  def migrate_existing_data
+    return unless defined?(Withdraw) && defined?(WithdrawDestination)
+    Withdraw.transaction do
+      Withdraw.find_each do |withdraw|
+        if Withdraws::Fiat === withdraw
+          WithdrawDestination::Fiat.create! \
+            label:               withdraw.fund_extra,
+            member:              withdraw.member,
+            currency:            withdraw.currency,
+            bank_name:           withdraw.fund_extra,
+            bank_account_number: withdraw.fund_uid
+        else
+          WithdrawDestination::Coin.create! \
+            label:    withdraw.fund_extra,
+            member:   withdraw.member,
+            currency: withdraw.currency,
+            address:  withdraw.fund_uid
+        end.tap { |record| withdraw.update!(destination: record) }
+      end
+    end
+  end
+end