// HomeHandler is the home of our website
func HomeHandler(w http.ResponseWriter, r *http.Request) {
// Try to refresh player count
refreshPlayerCount()
// Get leaderboards
leaderboards, err := steam.GetLeaderboards()
if err != nil {
common.Err("SERVER", fmt.Sprintf("%v", err))
}
// Prepare view
var data IndexData
// -- Paginate
page := getPage(r)
u, d, pagination := paginate.Paginate(len(leaderboards.List), page, LEADERBOARDSHOMECOUNT)
data.Leaderboards = leaderboards.List[u:d]
data.Page = pagination
data.PlayerCount = playerCount
// -- HTML rendering
t, err := template.ParseFiles(layoutPath("default"), templatePath("index"))
if err != nil {
common.Err("SERVER", fmt.Sprintf("%v", err))
} else {
t.Execute(w, data)
}
}
// PlayerHandler gives details for a given player
func PlayerHandler(w http.ResponseWriter, r *http.Request) {
// Get player object
vars := mux.Vars(r)
steamID, _ := vars["id"] // id should be safe thanks to routing
players := steam.GetPlayersFromWeb(getAPIKey(), true, []string{steamID})
if len(players) < 0 {
http.Redirect(w, r, "/", http.StatusNotFound)
return
}
player, ok := players[steamID]
if ok == false {
http.Redirect(w, r, "/", http.StatusNotFound)
return
}
// Get data for player
var p PlayerData
p.Player = player
p.Ranks = steam.GetPlayerEntries(steamID)
// HTML rendering
t, err := template.ParseFiles(layoutPath("default"), templatePath("player"))
if err != nil {
common.Err("SERVER", fmt.Sprintf("%v", err))
} else {
t.Execute(w, p)
}
}
// LeaderboardHandler displays information for a given leaderboard
func LeaderboardHandler(w http.ResponseWriter, r *http.Request) {
// Get leaderboard object
vars := mux.Vars(r)
ldbID, _ := strconv.Atoi(vars["id"])
l, err := steam.GetLeaderboard(ldbID)
if err != nil {
http.Redirect(w, r, "/", http.StatusNotFound)
return
}
// Pagination
page := getPage(r)
u, d, pagination := paginate.Paginate(len(l.Entries), page, 100)
data := LeaderboardData{
Entries: l.Entries[u:d],
Page: pagination,
Name: l.Name,
Count: len(l.Entries),
ID: l.UID,
Daily: l.IsDaily(),
LastUpdateDisplayable: l.LastUpdate.Format(time.Stamp),
}
// HTML rendering
t, err := template.ParseFiles(layoutPath("default"), templatePath("leaderboard"))
if err != nil {
common.Err("SERVER", fmt.Sprintf("%v", err))
} else {
t.Execute(w, data)
}
}
// GetLeaderboard returns a leaderboard object with the given Steam id
func GetLeaderboard(steamID int) (common.Leaderboard, error) {
l, err := common.GetLeaderboardFromDB(steamID)
// Now load entries
// -- Update first
ttl := time.Duration(24) * time.Hour
if l.IsDaily() {
ttl = time.Duration(30) * time.Minute
}
if l.LastUpdate.Add(ttl).Before(time.Now()) {
loadLeaderboardFromWeb(l)
}
// -- Read from DB
entries, err := common.GetEntriesFromDB(l.UID)
if err != nil {
return l, err
}
// ---------
// Additionnal datas
for i := 0; i < len(entries); i++ {
entry := &entries[i]
// Metadata
t, err := hex.DecodeString(entry.MetadataRaw)
if err == nil {
if len(t) > 0 {
// Metadata are 32 bits integer = 4 * 8 bits bytes
metadatas := []int{}
for m := 0; m < len(t); m += 4 {
var val int32
buf := bytes.NewBuffer(t[m : m+4])
binary.Read(buf, binary.LittleEndian, &val)
metadatas = append(metadatas, int(val))
}
specificFunctions.UseMetadata(entry, metadatas)
}
} else {
common.Err("DATABASE", fmt.Sprintf("Error parsing metadata: %v", err))
}
}
l.Entries = entries
return l, nil
}
// GetPlayerEntries returns all entries for this player
func GetPlayerEntries(playerID string) []common.PlayerRank {
ranks, err := common.GetPlayerEntriesDB(playerID)
if err != nil {
common.Err("DATABASE", fmt.Sprintf("GetPlayerEntriesDB: %v", err))
}
return ranks
}
func loadLeaderboardsFromWeb() error {
common.Info("LEADERBOARDS", "Reloading all leaderboards from web...")
var ldbs common.LeaderboardsList
// Parse new from URL
url := fmt.Sprintf("http://steamcommunity.com/stats/%v/leaderboards/?xml=1", appID)
// Get all leaderboards for the game
if err := MakeAPICall(url, true, &ldbs); err != nil {
common.Err("LEADERBOARDS", fmt.Sprintf("%s", err))
return err
}
// Exclude some leaderboards we don't want to show
for i := 0; i < len(excludedLeaderboardIDs); i++ {
for j := 0; j < len(ldbs.List); j++ {
if ldbs.List[j].SteamID == excludedLeaderboardIDs[i] {
// Remove the element
ldbs.List = append(ldbs.List[:j], ldbs.List[j+1:]...)
}
}
}
// Parse dates
for i := 0; i < len(ldbs.List); i++ {
l := &ldbs.List[i]
l.LastUpdate = time.Date(1988, time.April, 29, 3, 0, 0, 0, time.UTC)
l.Date = specificFunctions.GetDate(l)
}
// Save to database
for _, l := range ldbs.List {
// Exists?
existingLeaderboard, _ := common.GetLeaderboardFromDB(l.SteamID)
if existingLeaderboard.Name == "" {
common.InsertLeaderboardDB(l)
} else {
common.UpdateLeaderboardDB(l)
}
}
lastLeaderboardRefresh = time.Now()
return nil
}
// loadLeaderboardFromWeb fetch data from Steam
func loadLeaderboardFromWeb(l common.Leaderboard) {
common.Info("LEADERBOARDS", fmt.Sprintf("Loading leaderboard %v from web...", l.SteamID))
resp, err := http.Get(l.URL)
if err != nil {
common.Err("LEADERBOARDS", fmt.Sprintf("%s", err))
return
}
defer resp.Body.Close()
leaderboardBuffer, err := ioutil.ReadAll(resp.Body)
if err != nil {
common.Err("LEADERBOARDS", fmt.Sprintf("%s", err))
return
}
// Parse XML to get objects
// LeaderboardEntriesRequest is the list of score entries.
// It is only used for the marshaller
requestType := struct {
EntriesContainer struct {
Entries []common.LeaderboardEntry `xml:"entry"`
} `xml:"entries"`
}{}
xml.Unmarshal(leaderboardBuffer, &requestType)
entries := requestType.EntriesContainer.Entries
// Save to database
// -- CLean all previous
common.DeleteEntriesDB(l)
// -- Save & get players
var players map[string]common.Player
players = make(map[string]common.Player)
if len(entries) > 0 {
var steamIDsToLoad []string
for _, e := range entries {
p, _ := common.GetPlayerWithSteamIDFromDB(e.SteamID)
updatePlayer := true
if p.UID != 0 {
// Check last update
if p.LastUpdate.Add(time.Duration(1) * time.Hour).After(time.Now()) {
players[e.SteamID] = p
updatePlayer = false
}
}
if updatePlayer {
steamIDsToLoad = append(steamIDsToLoad, e.SteamID)
}
}
// Update = web to DB
for steamID, p := range GetPlayersFromWeb(apiKey, false, steamIDsToLoad) {
// Save player
common.InsertOrUpdatePlayerDB(&p)
players[steamID] = p
}
}
// -- Insert all new ones
for _, e := range requestType.EntriesContainer.Entries {
// Set player
e.Player = players[e.SteamID]
e.PlayerUID = e.Player.UID
// Save entry
common.InsertEntryDB(l, e)
}
l.LastUpdate = time.Now()
common.UpdateLeaderboardDB(l)
common.Info("LEADERBOARDS", fmt.Sprintf("Loading leaderboard %v completed!", l.SteamID))
}
// Start the server.
func Start() {
common.Info("SERVER", "Loading...")
steam.DebugRequests = false
// Check API key
// Request API Key: http://steamcommunity.com/dev/apikey
err := godotenv.Load()
if err != nil {
common.Err("SERVER", fmt.Sprintf("Error loading .env file: %v ", err))
} else {
steamAPIkey := getAPIKey()
if steamAPIkey == "" {
common.Warn("SERVER", "Missing Steam API key, some features will not work. Get one at http://steamcommunity.com/dev/apikey and add it to a .env file for key STEAM_API_KEY.")
} else {
common.Info("SERVER", "Steam key found!")
}
}
// Configure
common.ConfigureDB(config.DbFile)
steam.Configure(getAPIKey(), STEREDENN, []int{1006063}, steredenn.Steredenn{})
// Get player count
refreshPlayerCount()
common.Info("SERVER", "Loading completed!")
// Initial loading?
if config.LoadAllOnStart {
common.Info("SERVER", "Starting complete data reload...")
leaderboards, _ := steam.GetLeaderboards()
for _, l := range leaderboards.List {
steam.GetLeaderboard(l.SteamID)
}
common.Info("SERVER", "Data reload completed!")
}
// Routing
r := mux.NewRouter()
r.HandleFunc("/", HomeHandler)
r.HandleFunc("/{page:[0-9]+}", HomeHandler)
r.HandleFunc("/leaderboard/{id:[0-9]+}", LeaderboardHandler)
r.HandleFunc("/leaderboard/{id:[0-9]+}/{page:[0-9]+}", LeaderboardHandler)
r.HandleFunc("/player/{id:[0-9]+}", PlayerHandler)
// Use a custom file server in dev mode to serve static file.
// Useless in production (nginx will handle that).
if config.Dev {
r.PathPrefix("/static/").Handler(http.StripPrefix("/static/", http.FileServer(http.Dir(config.StaticFolder))))
}
http.Handle("/", r)
http.ListenAndServe(":3000", nil)
}