func parseInput(ctx *gin.Context) (*days.Input, error) {
daysFromTodayStr := ctx.Query("days_from_today")
var daysFromToday int64
var err error
if daysFromTodayStr != "" {
daysFromToday, err = strconv.ParseInt(daysFromTodayStr, 10, 32)
if err != nil {
return nil, err
}
}
return &days.Input{
DaysFromToday: int32(daysFromToday),
}, nil
}
func calculate(ctx *gin.Context, apiClient days.APIClient) {
input, err := parseInput(ctx)
if err != nil {
htmlError(ctx, err)
return
}
protolion.Info(input)
output, err := apiClient.Calculate(context.Background(), input)
if err != nil {
htmlError(ctx, err)
return
}
protolion.Info(output)
ctx.HTML(http.StatusOK, "calculate.html", output)
}
func htmlError(ctx *gin.Context, err error) {
ctx.Error(err)
ctx.HTML(http.StatusInternalServerError, "error.html", err.Error())
}