bug fixes, 3 table split, update readme

@AttendanceTracker/addons/AttendanceTracker/functions/fn_callbackHandler.sqf

@@ -0,0 +1,78 @@
+addMissionEventHandler ["ExtensionCallback", {
+	params ["_name", "_function", "_data"];
+	if !(_name == "AttendanceTracker") exitWith {};
+
+	// Validate data param
+	if (isNil "_data") then {_data = ""};
+
+	if (_data isEqualTo "") exitWith {
+		[
+			format ["Callback empty data: %1", _function],
+			"WARN"
+		] call attendanceTracker_fnc_log;
+		false;
+	};
+
+	if (typeName _data != "STRING") exitWith {
+		[
+			format ["Callback invalid data: %1: %2", _function, _data],
+			"WARN"
+		] call attendanceTracker_fnc_log;
+		false;
+	};
+
+	// Parse response from string array
+	private "_response";
+	try {
+		// diag_log format ["Raw callback: %1: %2", _function, _data];
+		_response = parseSimpleArray _data;
+	} catch {
+		[
+			format ["Callback invalid data: %1: %2: %3", _function, _data, _exception],
+			"WARN"
+		] call attendanceTracker_fnc_log;
+	};
+
+	if (isNil "_response") exitWith {false};
+
+	switch (_function) do {
+		case "connectDB": {
+			systemChat format ["AttendanceTracker: %1", _response#0];
+			[_response#0, _response#1, _function] call attendanceTracker_fnc_log;
+			if (_response#0 == "SUCCESS") then {
+				missionNamespace setVariable ["AttendanceTracker_DBConnected", true];
+				
+				// log mission info and get back the row Id to send with future messages
+				private _response = "AttendanceTracker" callExtension [
+					"logMission",
+					[
+						[AttendanceTracker getVariable ["missionContext", createHashMap]] call CBA_fnc_encodeJSON
+					]
+				];
+
+				// log world info
+				private _response = "AttendanceTracker" callExtension [
+					"logWorld",
+					[
+						[(call attendanceTracker_fnc_getWorldInfo)] call CBA_fnc_encodeJSON
+					]
+				];
+			};
+		};
+		case "writeMissionInfo": {
+			if (_response#0 == "MISSION_ID") then {
+				AttendanceTracker_missionId = parseNumber _response;
+			};
+		};
+		case "writeAttendance": {
+			if (_response#0 == "ATT_LOG") then {
+				_response params ["_netId", "_rowId"];
+				((AttendanceTracker getVariable ["allUsers", createHashMap]) get _netId) set ["_rowID", _rowID];
+			};
+		};
+		default {
+			_response call attendanceTracker_fnc_log;
+		};
+	};
+	true;
+}];