Matt Corcoran
96 lines
3.6 KiB
Plaintext
96 lines
3.6 KiB
Plaintext
//+------------------------------------------------------------------+
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//| TradeWindow.mqh |
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//| Defines and manages tradable time sessions |
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//| |
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//| 2025 xMattC (github.com/xMattC) |
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//+------------------------------------------------------------------+
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#property copyright "2025 xMattC (github.com/xMattC)"
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#property link "https://github.com/xMattC"
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#property version "1.00"
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#include <MyLibs/Utils/TimeZones.mqh>
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class TradeSessionUtils {
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protected:
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TimeZones tz; // For handling timezone conversion
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bool in_window; // Whether the current time is in the allowed window
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datetime start_time; // Session start time (converted to Broker time)
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datetime end_time; // Session end time (converted to Broker time)
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public:
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bool trade_window(string t1, string t2, string time_zone = "Broker", bool plot_range_inp = true);
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};
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// ---------------------------------------------------------------------
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// Determines whether the current time is inside a defined trade session.
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//
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// Parameters:
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// - t1 : Start time string (e.g., "22:00").
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// - t2 : End time string (e.g., "01:00").
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// - time_zone : The timezone of input times (default = "Broker").
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// - plot_range_inp : If true, draws vertical lines for start/end.
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//
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// Returns:
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// - true if current time is within the session window, false otherwise.
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//
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// Logic:
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// - Handles overnight sessions (e.g. 22:00–01:00) correctly.
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// - Automatically rolls the window to the next day when expired.
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// - Uses TimeZones class to convert time to broker timezone.
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// ---------------------------------------------------------------------
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bool TradeSessionUtils::trade_window(string t1, string t2, string time_zone, bool plot_range_inp) {
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datetime _t1 = StringToTime(t1); // Convert string to datetime
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datetime _t2 = StringToTime(t2); // Convert string to datetime
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// Handle overnight windows (e.g. 22:00–01:00)
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if (_t1 > _t2) {
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_t2 = _t2 + PeriodSeconds(PERIOD_D1);
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}
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int w_duration = (int)(_t2 - _t1); // Duration of the session in seconds
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// Check if we're currently within the window
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if (TimeCurrent() >= start_time && TimeCurrent() <= end_time) {
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in_window = true;
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}
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// If we've moved beyond the previous window, define a new one
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if (TimeCurrent() >= end_time) {
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in_window = false;
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// Convert start time to broker time based on user timezone input
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start_time = tz.timezone_conversions(time_zone, StringToTime(t1), "Broker");
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// If we've already passed today's start time, push it to tomorrow
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if (TimeCurrent() >= start_time) {
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start_time += PeriodSeconds(PERIOD_D1);
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}
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// End time is relative to updated start time
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end_time = start_time + w_duration;
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// Plot vertical lines if requested
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if (plot_range_inp) {
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string name = "Start Time" + (string)start_time;
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if (start_time > 0) {
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ObjectCreate(NULL, name, OBJ_VLINE, 0, start_time, 0);
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ObjectSetInteger(NULL, name, OBJPROP_COLOR, clrBlue);
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ObjectSetInteger(NULL, name, OBJPROP_BACK, true);
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}
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name = "End Time" + (string)end_time;
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if (end_time > 0) {
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ObjectCreate(NULL, name, OBJ_VLINE, 0, end_time, 0);
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ObjectSetInteger(NULL, name, OBJPROP_COLOR, C'56,108,26');
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ObjectSetInteger(NULL, name, OBJPROP_BACK, true);
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}
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ChartRedraw();
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}
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}
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return in_window;
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}
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