// 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
}
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
}