User addition to squads

Closes #8

lib/statistics/squads.go

@@ -0,0 +1,49 @@
+// i2_bot – Instinct PokememBro Bot
+// Copyright (c) 2017 Vladimir "fat0troll" Hodakov
+
+package statistics
+
+import (
+	"lab.pztrn.name/fat0troll/i2_bot/lib/dbmapping"
+	"strconv"
+)
+
+// SquadStatictics generates statistics message snippet. Public due to usage in chats list
+func (s *Statistics) SquadStatictics(squadID int) string {
+	squadMembersWithInformation := []dbmapping.SquadPlayerFull{}
+	squadMembers := []dbmapping.SquadPlayer{}
+
+	squad, ok := c.Squader.GetSquadByID(squadID)
+	if !ok {
+		return "Невозможно получить информацию о данном отряде. Возможно, он пуст или произошла ошибка."
+	}
+
+	err := c.Db.Select(&squadMembers, c.Db.Rebind("SELECT * FROM squads_players WHERE squad_id=?"), squadID)
+	if err != nil {
+		c.Log.Error(err.Error())
+		return "Невозможно получить информацию о данном отряде. Возможно, он пуст или произошла ошибка."
+	}
+
+	for i := range squadMembers {
+		fullInfo := dbmapping.SquadPlayerFull{}
+
+		playerRaw, _ := c.Users.GetPlayerByID(squadMembers[i].PlayerID)
+		profileRaw, _ := c.Users.GetProfile(playerRaw.ID)
+
+		fullInfo.Squad = squad
+		fullInfo.Player = playerRaw
+		fullInfo.Profile = profileRaw
+
+		squadMembersWithInformation = append(squadMembersWithInformation, fullInfo)
+	}
+
+	message := "Количество человек в отряде: " + strconv.Itoa(len(squadMembersWithInformation)) + "\n"
+
+	summAttack := 0
+	for i := range squadMembersWithInformation {
+		summAttack += squadMembersWithInformation[i].Profile.Power
+	}
+	message += "Суммарная атака: " + strconv.Itoa(summAttack) + " очков.\n"
+
+	return message
+}

lib/statistics/statisticsinterface/statisticinterface.go

@@ -7,6 +7,8 @@ package statisticsinterface
 type StatisticsInterface interface {
 	Init()
 
+	SquadStatictics(squadID int) string
+
 	GetPoints(pointsStr string) int
 	GetPrintablePoints(points int) string