Add updating special case for main board
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parent
09faf67c6f
commit
e1e97bf405
1 changed files with 114 additions and 46 deletions
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@ -3,7 +3,7 @@
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package main // leadercraft-server
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import (
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"flag"
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"flag"
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"fmt"
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"os"
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"os/signal"
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@ -17,7 +17,7 @@ const (
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)
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var (
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isClosing bool
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isClosing bool
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printVersionAndExit bool
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)
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@ -41,24 +41,41 @@ func main() {
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isClosing = true
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sqlClose()
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}()
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// get new rankings
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rows, err := db.Query("SELECT * FROM Entries WHERE rank=-1 ORDER BY time ASC;")
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// get new rankings
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rows, err := db.Query("SELECT * FROM Entries WHERE rank=-1 ORDER BY time ASC;")
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var players []int64
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if err == nil {
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var entries []*Entry
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// update rank for boards
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var entries []*Entry
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count := 0
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for rows.Next() {
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entries = append(entries, &Entry{})
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scanErr := rows.Scan(entries[count].Intake()...)
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if scanErr == nil {
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updateBoardEntries(entries[count])
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count++
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} else {
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fmt.Println(scanErr)
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}
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}
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for rows.Next() {
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entries = append(entries, &Entry{})
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scanErr := rows.Scan(entries[count].Intake()...)
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if scanErr == nil {
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//fmt.Printf("Updating rank for entry %d in board %d from player %d\n", entries[count].ID, entries[count].Board, entries[count].Player)
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if entries[count].Board > 2 { // ignore special boards
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players = append(players, entries[count].Player)
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}
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updateBoardEntries(entries[count])
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count++
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} else {
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fmt.Println(scanErr)
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}
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}
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// update special boards
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for _, elem := range players {
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p := &Player{ID: elem}
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err := p.Load()
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if err == nil {
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//fmt.Printf("Updating high score for player %d\n", p.ID)
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updateMainRank(p)
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} else {
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fmt.Println(err)
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}
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}
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} else {
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fmt.Println(err)
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}
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fmt.Println(err)
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}
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}
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func initArgs() {
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@ -76,33 +93,84 @@ func parseArgs() {
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}
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func updateBoardEntries(entry *Entry) {
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// get nearest entry that's lower and steal it's rank
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nearestEntry := &Entry{}
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scanErr := db.QueryRow("SELECT * FROM Entries WHERE score < $1 AND rank!= -1 AND board=$2 ORDER BY score DESC LIMIT 1;", entry.Score, entry.Board).Scan(nearestEntry.Intake()...)
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if (scanErr == nil) {
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entry.Rank = nearestEntry.Rank
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entry.Commit()
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// update all ranks lower than itself
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tx, _ := db.Begin()
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stmt, _ := tx.Prepare("UPDATE Entries SET rank=rank+1 WHERE rank >=$1 AND id!=$2 AND board=$3;")
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_, err := stmt.Exec(entry.Rank, entry.ID, entry.Board)
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if err != nil {
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tx.Rollback()
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fmt.Println(err)
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} else {
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tx.Commit()
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}
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} else {
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// nothing to beat
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scanErr = db.QueryRow("SELECT * FROM Entries WHERE score >= $1 AND rank!= -1 AND board=$2 ORDER BY score ASC LIMIT 1;", entry.Score, entry.Board).Scan(nearestEntry.Intake()...)
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if (scanErr == nil) {
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entry.Rank = nearestEntry.Rank + 1
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entry.Commit()
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} else {
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// no other entries
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entry.Rank = 1
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entry.Commit()
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//fmt.Println(scanErr)
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}
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}
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// get nearest entry that's lower and steal it's rank
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nearestEntry := &Entry{}
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scanErr := db.QueryRow("SELECT * FROM Entries WHERE score < $1 AND rank!= -1 AND board=$2 ORDER BY score DESC LIMIT 1;", entry.Score, entry.Board).Scan(nearestEntry.Intake()...)
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if scanErr == nil {
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entry.Rank = nearestEntry.Rank
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entry.Commit()
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// update all ranks lower than itself
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tx, _ := db.Begin()
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stmt, _ := tx.Prepare("UPDATE Entries SET rank=rank+1 WHERE rank >=$1 AND id!=$2 AND board=$3;")
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_, err := stmt.Exec(entry.Rank, entry.ID, entry.Board)
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if err != nil {
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tx.Rollback()
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fmt.Println(err)
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} else {
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tx.Commit()
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}
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} else {
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// nothing to beat
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scanErr = db.QueryRow("SELECT * FROM Entries WHERE score >= $1 AND rank!= -1 AND board=$2 ORDER BY score ASC LIMIT 1;", entry.Score, entry.Board).Scan(nearestEntry.Intake()...)
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if scanErr == nil {
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entry.Rank = nearestEntry.Rank + 1
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entry.Commit()
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} else {
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// no other entries
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entry.Rank = 1
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entry.Commit()
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}
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}
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}
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func updateMainRank(p *Player) {
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rows, err := db.Query("SELECT * FROM Entries WHERE player = $1 AND board > 2 ORDER BY score DESC LIMIT $2;", p.ID, 100)
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var count int64 = 0
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var sum int64 = 0
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if err == nil {
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for rows.Next() {
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entry := &Entry{}
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scanErr := rows.Scan(entry.Intake()...)
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if scanErr == nil {
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count++
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sum += entry.Score
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} else {
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fmt.Println(scanErr)
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return
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}
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}
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if count > 0 && sum > 0 {
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mainEntry := &Entry{
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Player: p.ID,
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Board: 1,
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}
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average := sum / count
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//fmt.Printf("Average of %d/%d is %d\n", sum, count, average)
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dne := db.QueryRow("SELECT * FROM Entries WHERE board=$1 AND player=$2", 1, p.ID).Scan(mainEntry.Intake()...)
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if dne == nil {
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tx, _ := db.Begin()
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stmt, _ := tx.Prepare("UPDATE Entries SET rank=rank-1 WHERE rank >$1 AND id!=$2 AND board=$3;")
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_, err := stmt.Exec(mainEntry.Rank, mainEntry.ID, 1)
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if err != nil {
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tx.Rollback()
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fmt.Println(err)
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return // abort
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} else {
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tx.Commit()
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}
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mainEntry.Score = average
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mainEntry.Rank = -1
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mainEntry.Commit()
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} else {
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createErr := newEntrySql(average, p.ID, 1)
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if createErr == nil {
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fmt.Println(createErr)
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return
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}
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}
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}
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} else {
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fmt.Println(err)
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return
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}
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}
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