Work on squads, some refactoring

Closes #14
See #8

lib/migrations/22_add_flood_chat_id.go

@@ -0,0 +1,29 @@
+// i2_bot – Instinct PokememBro Bot
+// Copyright (c) 2017 Vladimir "fat0troll" Hodakov
+
+package migrations
+
+import (
+	// stdlib
+	"database/sql"
+)
+
+// AddFloodChatIDUp creates `flood_chat_id` column in `squads` table
+func AddFloodChatIDUp(tx *sql.Tx) error {
+	_, err := tx.Exec("ALTER TABLE `squads` ADD COLUMN `flood_chat_id` INT(11) NOT NULL DEFAULT 0 COMMENT 'ID группы для общения отряда' AFTER `chat_id`;")
+	if err != nil {
+		return err
+	}
+
+	return nil
+}
+
+// AddFloodChatIDDown  destroys `flood_chat_id` column
+func AddFloodChatIDDown(tx *sql.Tx) error {
+	_, err := tx.Exec("ALTER TABLE `squads` DROP COLUMN `flood_chat_id`;")
+	if err != nil {
+		return err
+	}
+
+	return nil
+}

lib/migrations/migrations.go

@@ -32,6 +32,7 @@ func (m *Migrations) Init() {
 	goose.AddNamedMigration("19_create_broadcasts.go", CreateBroadcastsUp, CreateBroadcastsDown)
 	goose.AddNamedMigration("20_create_squads.go", CreateSquadsUp, CreateSquadsDown)
 	goose.AddNamedMigration("21_change_telegram_id_column.go", ChangeTelegramIDColumnUp, ChangeTelegramIDColumnDown)
+	goose.AddNamedMigration("22_add_flood_chat_id.go", AddFloodChatIDUp, AddFloodChatIDDown)
 }
 
 // Migrate migrates database to current version