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Update SaveData to handle session and system out of date overwrites (#43)

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* chore: Update savedata API to handle session out of date errors

* chore: Handle session out of date errors in savedata API

* chore: Handle session out of date errors in savedata API

* chore: Update savedata API to handle session out of date errors
This commit is contained in:
Frederico Santos 2024-06-22 22:28:14 +01:00 committed by GitHub
parent dd00d90211
commit 4cac6b6ce8
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2 changed files with 66 additions and 0 deletions
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56
api/endpoints.go
View File

@ -198,6 +198,17 @@ func handleSession(w http.ResponseWriter, r *http.Request) {
return
}
existingSave, err := savedata.GetSession(uuid, slot)
if err != nil && !errors.Is(err, sql.ErrNoRows) {
httpError(w, r, fmt.Errorf("failed to retrieve session save data: %s", err), http.StatusInternalServerError)
return
} else {
if existingSave.Seed == session.Seed && existingSave.WaveIndex > session.WaveIndex {
httpError(w, r, fmt.Errorf("session out of date: existing wave index is greater"), http.StatusBadRequest)
return
}
}
err = savedata.UpdateSession(uuid, slot, session)
if err != nil {
httpError(w, r, fmt.Errorf("failed to put session data: %s", err), http.StatusInternalServerError)
@ -306,6 +317,34 @@ func handleUpdateAll(w http.ResponseWriter, r *http.Request) {
}
}
existingPlaytime, err := db.RetrievePlaytime(uuid)
if err != nil && !errors.Is(err, sql.ErrNoRows) {
httpError(w, r, fmt.Errorf("failed to retrieve playtime: %s", err), http.StatusInternalServerError)
return
} else {
playtime, ok := data.System.GameStats.(map[string]interface{})["playTime"].(float64)
if !ok {
httpError(w, r, fmt.Errorf("no playtime found"), http.StatusBadRequest)
return
}
if float64(existingPlaytime) > playtime {
httpError(w, r, fmt.Errorf("session out of date: existing playtime is greater"), http.StatusBadRequest)
return
}
}
existingSave, err := savedata.GetSession(uuid, data.SessionSlotId)
if err != nil && !errors.Is(err, sql.ErrNoRows) {
httpError(w, r, fmt.Errorf("failed to retrieve session save data: %s", err), http.StatusInternalServerError)
return
} else {
if existingSave.Seed == data.Session.Seed && existingSave.WaveIndex > data.Session.WaveIndex {
httpError(w, r, fmt.Errorf("session out of date: existing wave index is greater"), http.StatusBadRequest)
return
}
}
err = savedata.Update(uuid, data.SessionSlotId, data.Session)
if err != nil {
httpError(w, r, err, http.StatusInternalServerError)
@ -380,6 +419,23 @@ func handleSystem(w http.ResponseWriter, r *http.Request) {
return
}
existingPlaytime, err := db.RetrievePlaytime(uuid)
if err != nil && !errors.Is(err, sql.ErrNoRows) {
httpError(w, r, fmt.Errorf("failed to retrieve playtime: %s", err), http.StatusInternalServerError)
return
} else {
playtime, ok := system.GameStats.(map[string]interface{})["playTime"].(float64)
if !ok {
httpError(w, r, fmt.Errorf("no playtime found"), http.StatusBadRequest)
return
}
if float64(existingPlaytime) > playtime {
httpError(w, r, fmt.Errorf("session out of date: existing playtime is greater"), http.StatusBadRequest)
return
}
}
err = savedata.UpdateSystem(uuid, system)
if err != nil {
httpError(w, r, fmt.Errorf("failed to put system data: %s", err), http.StatusInternalServerError)

10
db/savedata.go
View File

@ -142,3 +142,13 @@ func DeleteSessionSaveData(uuid []byte, slot int) error {
return nil
}
func RetrievePlaytime(uuid []byte) (int, error) {
var playtime int
err := handle.QueryRow("SELECT playTime FROM accountStats WHERE uuid = ?", uuid).Scan(&playtime)
if err != nil {
return 0, err
}
return playtime, nil
}