continue on existing save (#3)

* long blob

* fix continue

* one slot only?

* fallback if there is no slot data yet

* Revert "one slot only?"

This reverts commit 20997e9cd8.

api/account/info.go

@@ -18,11 +18,7 @@
 package account
 
 import (
-	"fmt"
-	"os"
-	"strconv"
-	"time"
-
+	"github.com/pagefaultgames/rogueserver/db"
 	"github.com/pagefaultgames/rogueserver/defs"
 )
 
@@ -33,24 +29,16 @@ type InfoResponse struct {
 
 // /account/info - get account info
 func Info(username string, uuid []byte) (InfoResponse, error) {
-	var latestSave time.Time
-	latestSaveID := -1
-	for id := range defs.SessionSlotCount {
-		fileName := "session"
-		if id != 0 {
-			fileName += strconv.Itoa(id)
-		}
-
-		stat, err := os.Stat(fmt.Sprintf("userdata/%x/%s.pzs", uuid, fileName))
-		if err != nil {
-			continue
-		}
-
-		if stat.ModTime().After(latestSave) {
-			latestSave = stat.ModTime()
-			latestSaveID = id
-		}
+	response := InfoResponse{Username: username, LastSessionSlot: -1}
+
+	slot, err := db.GetLatestSessionSaveDataSlot(uuid)
+	if err != nil {
+		response.LastSessionSlot = -1
+	}
+
+	if slot >= defs.SessionSlotCount {
+		response.LastSessionSlot = -1
 	}
 
-	return InfoResponse{Username: username, LastSessionSlot: latestSaveID}, nil
+	return response, nil
 }

db/db.go

@@ -42,8 +42,8 @@ func Init(username, password, protocol, address, database string) error {
 	if err != nil {
 		panic(err)
 	}
-	tx.Exec("CREATE TABLE IF NOT EXISTS systemSaveData (uuid BINARY(16) PRIMARY KEY, data BLOB, timestamp TIMESTAMP)")
-	tx.Exec("CREATE TABLE IF NOT EXISTS sessionSaveData (uuid BINARY(16), slot TINYINT, data BLOB, timestamp TIMESTAMP, PRIMARY KEY (uuid, slot))")
+	tx.Exec("CREATE TABLE IF NOT EXISTS systemSaveData (uuid BINARY(16) PRIMARY KEY, data LONGBLOB, timestamp TIMESTAMP)")
+	tx.Exec("CREATE TABLE IF NOT EXISTS sessionSaveData (uuid BINARY(16), slot TINYINT, data LONGBLOB, timestamp TIMESTAMP, PRIMARY KEY (uuid, slot))")
 	err = tx.Commit()
 	if err != nil {
 		panic(err)

db/savedata.go

@@ -79,6 +79,16 @@ func ReadSessionSaveData(uuid []byte, slot int) (defs.SessionSaveData, error) {
 	return save, err
 }
 
+func GetLatestSessionSaveDataSlot(uuid []byte) (int, error) {
+	var slot int
+	err := handle.QueryRow("SELECT slot FROM sessionSaveData WHERE uuid = ? ORDER BY timestamp DESC, slot ASC LIMIT 1", uuid).Scan(&slot)
+	if err != nil {
+		return -1, err
+	}
+
+	return slot, nil
+}
+
 func StoreSessionSaveData(uuid []byte, data defs.SessionSaveData, slot int) error {
 
 	var buf bytes.Buffer