Work on squads, alerts on new user with empty or spy profile

Closes #1
Closes #2

lib/dbmapping/players.go

@@ -13,7 +13,6 @@ type Player struct {
 	ID         int       `db:"id"`
 	TelegramID int       `db:"telegram_id"`
 	LeagueID   int       `db:"league_id"`
-	SquadID    int       `db:"squad_id"`
 	Status     string    `db:"status"`
 	CreatedAt  time.Time `db:"created_at"`
 	UpdatedAt  time.Time `db:"updated_at"`

lib/dbmapping/squads.go

@@ -0,0 +1,24 @@
+// i2_bot – Instinct PokememBro Bot
+// Copyright (c) 2017 Vladimir "fat0troll" Hodakov
+
+package dbmapping
+
+import (
+	// stdlib
+	"time"
+)
+
+// Squad is a struct, which represents `squads` table item in databse.
+type Squad struct {
+	ID        int       `db:"id"`
+	ChatID    int       `db:"chat_id"`
+	AuthorID  int       `db:"author_id"`
+	CreatedAt time.Time `db:"created_at"`
+}
+
+// SquadChat is a stuct, which combines information about chats and squads
+type SquadChat struct {
+	Squad   Squad
+	Chat    Chat
+	IsSquad bool
+}

lib/dbmapping/squads_players.go

@@ -0,0 +1,18 @@
+// i2_bot – Instinct PokememBro Bot
+// Copyright (c) 2017 Vladimir "fat0troll" Hodakov
+
+package dbmapping
+
+import (
+	// stdlib
+	"time"
+)
+
+// SquadPlayer is a struct, which represents `squads_players` table item in databse.
+type SquadPlayer struct {
+	ID        int       `db:"id"`
+	SquadID   int       `db:"squad_id"`
+	PlayerID  int       `db:"player_id"`
+	AuthorID  int       `db:"author_id"`
+	CreatedAt time.Time `db:"created_at"`
+}