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 (
    "fmt"
    "net/http"
    "strings"

    "github.com/labstack/echo"
)

//HealthCheckHandler is the handler responsible for validating that the app is still up
func HealthCheckHandler(app *App) func(c echo.Context) error {
    return func(c echo.Context) error {
        c.Set("route", "Healthcheck")
        db, err := app.GetCtxDB(c)
        if err != nil {
            return FailWith(http.StatusInternalServerError, err.Error(), c)
        }

        workingString := app.Config.GetString("healthcheck.workingText")

        _, err = db.SelectInt("select count(*) from games")
        if err != nil {
            return FailWith(http.StatusInternalServerError, fmt.Sprintf("Error connecting to database: %s", err), c)
        }

        workingString = strings.TrimSpace(workingString)
        return c.String(http.StatusOK, workingString)
    }
}