73 lines
2.0 KiB
C
73 lines
2.0 KiB
C
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#pragma once
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#include <cstring>
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#include <string.h>
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#include <ctime>
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#include <iostream>
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#include <cmath>
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#include "day_of_week.h"
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#include "configuration.h"
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#include "time_range.h"
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using namespace std;
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class Utilities {
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public:
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/// <summary>
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/// Get day of week from current date (Zeller's Algorithm), starting day is Sunday
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/// </summary>
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/// <param name="date"></param>
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/// <returns></returns>
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static DayOfWeek GetDayOfWeek(struct tm* tm);
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/// <summary>
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/// Date and time parse helper function
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/// </summary>
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/// <returns>Returns time (tm) structure</returns>
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static struct tm DateTimeToStructTm(const char* dateTimeStr);
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/// <summary>
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/// Date parse helper function
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/// </summary>
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/// <returns>Returns time (tm) structure</returns>
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static struct tm DateToStructTm(const char* dateStr);
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/// <summary>
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/// Time parse helper function
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/// </summary>
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/// <returns>Returns time (tm) structure</returns>
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static struct tm TimeToStructTm(const char* timeStr, int year, int mon, int mday, int wday);
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/// <summary>
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/// Get current local time
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/// </summary>
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/// <returns>Returns time_t structure</returns>
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static time_t GetCurrentLocalTime();
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/// <summary>
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/// Zeller's algorithm for determining day of week
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/// </summary>
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static int ZellersAlgorithm(int day, int month, int year);
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/// <summary>
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/// Checks if current datetime is in range between start and end month of parking worktime
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/// </summary>
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/// <param name="tariff_cfg"></param>
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/// <param name="currentDateTime"></param>
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/// <returns></returns>
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static bool IsYearPeriodActive(Configuration* cfg, struct tm* currentDateTime);
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/// <summary>
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/// Check permissions
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/// </summary>
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static bool CheckSpecialDay(Configuration* cfg, const char* currentDateTimeStr, int* specialDayId, double* specialDayPrice);
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/// <summary>
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/// Calculates price per unit
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/// </summary>
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/// <param name="pra_price"></param>
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/// <returns></returns>
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static double CalculatePricePerUnit(double pra_price);
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};
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