Implement !table command to print league table and use league 453 for testing.

main.go

@@ -1,15 +1,18 @@
 package main
 
 import (
+	"bytes"
 	"fmt"
 	"log"
 	"math"
+	"regexp"
 	"sort"
 	"strings"
 	"time"
 
 	"net/http"
 
+	"github.com/olekukonko/tablewriter"
 	"github.com/thoj/go-ircevent"
 	"gopkg.in/alecthomas/kingpin.v2"
 
@@ -18,12 +21,17 @@ import (
 )
 
 const (
-	SoccerSeason_EuropeanChampionShipsFrance2016 = 444
+	Competition_Testing               = 453
+	Competition_WorldChampionShip2018 = -1
 
 	day  = 24 * time.Hour
 	week = 7 * day
 )
 
+var (
+	rDiff = regexp.MustCompile("[\\+\\-]\\d+")
+)
+
 type versus struct {
 	HomeTeam, AwayTeam string
 }
@@ -103,7 +111,7 @@ func main() {
 
 	updateTopics := func() {
 		// Get football data
-		if r, err := footballData.FixturesOfSoccerSeason(SoccerSeason_EuropeanChampionShipsFrance2016).Do(); err != nil {
+		if r, err := footballData.FixturesOfSoccerSeason(Competition_Testing).Do(); err != nil {
 			log.Print(err)
 		} else {
 			currentMatches := []*footballdata.Fixture{}
@@ -400,6 +408,59 @@ func main() {
 			switch {
 			case !isChannel && strings.HasPrefix(msg, "updatetopics"):
 				updateTopicsChan <- nil
+			case strings.HasPrefix(msg, "!table"):
+				if leagueTable, err := footballData.LeagueTableOfCompetition(Competition_Testing).Do(); err != nil {
+					if s, err := tplString("error", err); err != nil {
+						log.Print(err)
+					} else {
+						conn.Privmsg(target, s)
+					}
+				} else {
+					log.Printf("%+v", leagueTable)
+
+					header := []string{"Rank", "Team", "Games", "Goals", "Diff", "Points"}
+					data := [][]string{}
+
+					for _, standing := range leagueTable.Standing {
+						goalDiffPrefix := ""
+						if standing.GoalDifference > 0 {
+							goalDiffPrefix = "+"
+						} else {
+							goalDiffPrefix = ""
+						}
+						data = append(data, []string{
+							fmt.Sprintf("%d", standing.Position),
+							standing.TeamName,
+							fmt.Sprintf("%d", standing.PlayedGames),
+							fmt.Sprintf("%d:%d", standing.Goals, standing.GoalsAgainst),
+							fmt.Sprintf("%s%d", goalDiffPrefix, standing.GoalDifference),
+							fmt.Sprintf("%d", standing.Points),
+						})
+					}
+
+					buf := new(bytes.Buffer)
+
+					table := tablewriter.NewWriter(buf)
+					table.SetHeader(header)
+					table.SetAlignment(tablewriter.ALIGN_CENTER)
+					table.SetNewLine("\n")
+					table.SetBorder(true)
+					table.AppendBulk(data)
+					table.Render()
+
+					tableStr := rDiff.ReplaceAllStringFunc(buf.String(), func(s string) string {
+						switch s[0] {
+						case '+':
+							return fmt.Sprintf("\x0303%s\x03", s)
+						}
+						return fmt.Sprintf("\x0304%s\x03", s)
+					})
+
+					lines := strings.Split(tableStr, "\n")
+					for _, line := range lines {
+						conn.Privmsg(target, line)
+					}
+				}
 			case strings.HasPrefix(msg, "!match"):
 				/*if r, err := footballData.FixturesOfSoccerSeason(SoccerSeason_EuropeanChampionShipsFrance2016).TimeFrame(1 * day).Do(); err != nil {
 					if s, err := tplString("error", err); err != nil {