puk

oreilly/main.go

@@ -2,12 +2,86 @@ package main
 
 import (
 	"fmt"
+	"sort"
 )
 
-func main() {
-	var total int
-	for i := 0; i < 10; i++ {
-		total = total + i
-		fmt.Println(total)
-	}
+type Player struct {
+	name string
+}
+
+type Team struct {
+	Name    string
+	Members []Player
+}
+
+type League struct {
+	Wins map[string]int
+}
+
+type Ranker interface {
+	Ranking () []string
+}
+
+func (l League) MatchResult(ft, st string, fscore, sscore int) {
+	l.Wins[ft] += fscore
+	l.Wins[st] += sscore
+}
+
+func (l League) Ranking() []string {
+	for k, v := range l.Wins {
+		fmt.Printf("Command %s has %d scores\n", k, v)
+	}
+	keys := make([]string, 0, len(l.Wins))
+	for k := range l.Wins {
+		keys = append(keys, k)
+	}
+
+	sort.Slice(keys, func(i, j int) bool {
+		return l.Wins[keys[i]] > l.Wins[keys[j]]
+	})
+
+	for _, k := range keys {
+		fmt.Println(k, l.Wins[k])
+	}
+
+	return keys
+}
+
+func main() {
+	Spartak := Team{
+		Name: "Spartak",
+		Members: []Player{
+			{name: "Titov"},
+			{name: "Dzuba"},
+		},
+	}
+
+	Dinamo := Team{
+		Name: "Dinamo",
+		Members: []Player{
+			{name: "Ivanov"},
+			{name: "Petrov"},
+		},
+	}
+
+	Torpedo := Team{
+		Name: "Torpedo",
+		Members: []Player{
+			{name: "Sidorov"},
+			{name: "Zalupkin"},
+		},
+	}
+
+	league := League{
+		Wins: make(map[string]int),
+	}
+
+	league.MatchResult(Spartak.Name, Dinamo.Name, 2, 4)
+	league.MatchResult(Torpedo.Name, Dinamo.Name, 3, 3)
+	league.MatchResult(Spartak.Name, Torpedo.Name, 1, 2)
+
+	fmt.Println(league)
+
+	fmt.Println(league.Ranking())
+
 }