topfreegames/khan

// khan
// https://github.com/topfreegames/khan
//
// Licensed under the MIT license:
// http://www.opensource.org/licenses/mit-license
// Copyright © 2016 Top Free Games <backend@tfgco.com>

package api

import (
    "strings"

    "github.com/topfreegames/khan/log"
    "github.com/topfreegames/khan/models"
    "github.com/uber-go/zap"
)

func validateUpdatePlayerDispatch(game *models.Game, sourcePlayer *models.Player, player *models.Player, metadata map[string]interface{}, logger zap.Logger) bool {
    cl := logger.With(
        zap.String("playerUpdateMetadataFieldsHookTriggerWhitelist", game.PlayerUpdateMetadataFieldsHookTriggerWhitelist),
    )

    if sourcePlayer == nil {
        log.D(cl, "Player did not exist before. Dispatching event...")
        return true
    }

    changedName := player.Name != sourcePlayer.Name
    if changedName {
        log.D(cl, "Player name changed")
        return true
    }

    if game.PlayerUpdateMetadataFieldsHookTriggerWhitelist == "" {
        log.D(cl, "Player has no metadata whitelist for update hook")
        return false
    }

    log.D(cl, "Verifying fields for player update hook dispatch...")
    fields := strings.Split(game.PlayerUpdateMetadataFieldsHookTriggerWhitelist, ",")
    for _, field := range fields {
        oldVal, existsOld := sourcePlayer.Metadata[field]
        newVal, existsNew := metadata[field]
        log.D(logger, "Verifying field for change...", func(cm log.CM) {
            cm.Write(
                zap.Bool("existsOld", existsOld),
                zap.Bool("existsNew", existsNew),
                zap.Object("oldVal", oldVal),
                zap.Object("newVal", newVal),
                zap.String("field", field),
            )
        })
        //fmt.Println("field", field, "existsOld", existsOld, "oldVal", oldVal, "existsNew", existsNew, "newVal", newVal)

        if existsOld != existsNew {
            log.D(logger, "Found difference in field. Dispatching hook...", func(cm log.CM) {
                cm.Write(zap.String("field", field))
            })
            return true
        }

        if existsOld && oldVal != newVal {
            log.D(logger, "Found difference in field. Dispatching hook...", func(cm log.CM) {
                cm.Write(zap.String("field", field))
            })
            return true
        }
    }

    return false
}