490 lines
22 KiB
Java
490 lines
22 KiB
Java
package com.rit.whatsapp.handler;
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import com.rit.whatsapp.model.UserState;
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import com.rit.whatsapp.service.ImsApiService;
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import com.rit.whatsapp.service.SessionService;
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import com.rit.whatsapp.service.WhatsAppMessageBuilder;
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import com.rit.whatsapp.service.WhatsAppMessageService;
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import com.rit.whatsapp.util.MessageFormatter;
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import org.springframework.beans.factory.annotation.Autowired;
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import org.springframework.stereotype.Component;
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import java.util.ArrayList;
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import java.util.HashMap;
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import java.util.List;
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import java.util.Map;
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@Component
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public class StudentMenuHandler {
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private final WhatsAppMessageService messageService;
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private final SessionService sessionService;
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private final GrievanceHandler grievanceHandler;
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private final ImsApiService imsApiService;
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@Autowired
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public StudentMenuHandler(WhatsAppMessageService messageService,
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SessionService sessionService,
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GrievanceHandler grievanceHandler,
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ImsApiService imsApiService) {
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this.messageService = messageService;
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this.sessionService = sessionService;
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this.grievanceHandler = grievanceHandler;
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this.imsApiService = imsApiService;
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}
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public void sendMainMenu(String phoneNumber) {
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sessionService.setUserState(phoneNumber, UserState.MAIN_MENU);
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String token = sessionService.getImsToken(phoneNumber);
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String studentName = "Student";
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if (token != null) {
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studentName = sessionService.getStudentName(phoneNumber, token);
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}
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Map<String, Object> interactiveList = WhatsAppMessageBuilder.buildListMessage(
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"RIT Digital Assistant",
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"Welcome " + studentName + "! Please select an option from the menu below.",
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"Student Menu",
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getStudentMenuRows()
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);
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messageService.sendInteractiveMessage(phoneNumber, interactiveList);
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}
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public void handleMenuSelection(String phoneNumber, String selectedOptionId) {
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String token = sessionService.getImsToken(phoneNumber);
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if (token == null) {
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messageService.sendMessage(phoneNumber, "Your session has expired. Please type 'Reset' to login again.");
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return;
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}
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switch (selectedOptionId) {
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case "student_attendance":
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String rawAttendance = imsApiService.getAttendance(token);
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String rawLeaves = imsApiService.getLeaves(token);
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sendResponseWithMenu(phoneNumber, MessageFormatter.formatAttendanceAndLeaves(rawAttendance, rawLeaves));
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break;
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case "student_timetable":
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sendTimetableMenu(phoneNumber, token);
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break;
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case "student_internal_marks":
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sendInternalMarksMenu(phoneNumber);
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break;
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case "student_cat1_marks":
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handleCat1Marks(phoneNumber);
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break;
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case "student_cat2_marks":
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handleCat2Marks(phoneNumber);
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break;
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case "student_cat3_marks":
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handleCat3Marks(phoneNumber);
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break;
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case "student_assignment_marks":
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handleAssignmentMarks(phoneNumber);
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break;
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case "student_semester_results":
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sendSemesterSelection(phoneNumber, token);
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break;
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case "student_fee_details":
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sendFeeDetailsMenu(phoneNumber, token);
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break;
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case "student_raise_grievance":
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grievanceHandler.startGrievanceFlow(phoneNumber);
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break;
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case "student_help_menu":
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sendHelpMenu(phoneNumber);
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break;
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case "student_logout":
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sessionService.logoutUser(phoneNumber);
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messageService.sendMessage(phoneNumber, "You have been logged out successfully. Type 'Hi' to log in again.");
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break;
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case "student_contact_department":
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messageService.sendMessage(phoneNumber, "Contact Department is currently under development. Please check back later!");
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sendMainMenu(phoneNumber);
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break;
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default:
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messageService.sendMessage(phoneNumber, "You selected an option that is currently under development. Please check back later!");
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// Resend main menu
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sendMainMenu(phoneNumber);
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break;
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}
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}
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public void sendSemesterSelection(String phoneNumber, String token) {
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sessionService.setUserState(phoneNumber, UserState.AWAITING_SEMESTER_SELECTION);
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List<Map<String, String>> rows = new ArrayList<>();
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for (int i = 1; i <= 8; i++) {
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rows.add(createRow("sem_" + i, "Semester " + i, ""));
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}
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String rawDashboard = imsApiService.getDashboard(token);
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String bodyText = MessageFormatter.formatDashboardCgpa(rawDashboard);
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Map<String, Object> interactiveList = WhatsAppMessageBuilder.buildListMessage(
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"Semester Results",
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bodyText,
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"Select Semester",
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rows
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);
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messageService.sendInteractiveMessage(phoneNumber, interactiveList);
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sendStudentMenuDirectly(phoneNumber);
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}
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public void handleSemesterSelection(String phoneNumber, String selectedOptionId) {
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String token = sessionService.getImsToken(phoneNumber);
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if (token == null) {
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messageService.sendMessage(phoneNumber, "Your session has expired. Please type 'Reset' to login again.");
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return;
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}
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try {
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int semester = Integer.parseInt(selectedOptionId.replace("sem_", ""));
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byte[] pdfBytes = imsApiService.getResultsPdf(token, semester);
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if (pdfBytes != null) {
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String fileName = "Semester_" + semester + "_Results.pdf";
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String mediaId = messageService.uploadMedia(pdfBytes, fileName, "application/pdf");
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if (mediaId != null) {
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messageService.sendDocumentMessage(phoneNumber, mediaId, "Here are your Semester " + semester + " results!", fileName);
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sendSemesterSelection(phoneNumber, token);
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} else {
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messageService.sendMessage(phoneNumber, "Failed to upload the results document to WhatsApp.");
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sendSemesterSelection(phoneNumber, token);
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}
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} else {
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messageService.sendMessage(phoneNumber, "Failed to download your results. They may not be published yet.");
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sendSemesterSelection(phoneNumber, token);
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}
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} catch (Exception e) {
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messageService.sendMessage(phoneNumber, "Invalid semester selected.");
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sendSemesterSelection(phoneNumber, token);
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}
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sessionService.resetState(phoneNumber); // Reset state after fetching results
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}
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public void handleReceiptSelection(String phoneNumber, String selectedOptionId) {
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String token = sessionService.getImsToken(phoneNumber);
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if (token == null) {
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messageService.sendMessage(phoneNumber, "Your session has expired. Please type 'Reset' to login again.");
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return;
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}
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try {
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byte[] pdfBytes = null;
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String fileName = "Receipt.pdf";
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String docMessage = "Here is your Fee Receipt!";
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if (selectedOptionId.startsWith("exam_")) {
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String longId = sessionService.getReceiptIdMapping(phoneNumber, selectedOptionId);
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pdfBytes = imsApiService.getExamFeeReceiptPdf(token, longId);
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fileName = "Exam_Receipt.pdf";
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docMessage = "Here is your Exam Fee Receipt!";
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} else if (selectedOptionId.startsWith("acad_")) {
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String longId = sessionService.getReceiptIdMapping(phoneNumber, selectedOptionId);
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pdfBytes = imsApiService.getAcademicFeeReceiptPdf(token, longId);
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fileName = "Academic_Receipt.pdf";
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docMessage = "Here is your Academic Fee Receipt!";
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} else if (selectedOptionId.startsWith("cons_")) {
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String longId = sessionService.getReceiptIdMapping(phoneNumber, selectedOptionId);
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pdfBytes = imsApiService.getConsolidatedAcademicFeeReceiptPdf(token, longId);
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fileName = "Consolidated_Receipt.pdf";
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docMessage = "Here is your Consolidated Academic Fee Receipt!";
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}
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if (pdfBytes != null) {
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String mediaId = messageService.uploadMedia(pdfBytes, fileName, "application/pdf");
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if (mediaId != null) {
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messageService.sendDocumentMessage(phoneNumber, mediaId, docMessage, fileName);
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sendPaymentHistoryMenu(phoneNumber, token);
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} else {
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messageService.sendMessage(phoneNumber, "Failed to upload the receipt document to WhatsApp.");
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sendPaymentHistoryMenu(phoneNumber, token);
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}
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} else {
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messageService.sendMessage(phoneNumber, "Failed to download your receipt. It may not be available.");
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sendPaymentHistoryMenu(phoneNumber, token);
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}
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} catch (Exception e) {
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messageService.sendMessage(phoneNumber, "Invalid receipt selected.");
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sendPaymentHistoryMenu(phoneNumber, token);
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}
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sessionService.resetState(phoneNumber); // Reset state after fetching receipt
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}
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public void handleWeeklyTimetable(String phoneNumber) {
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String token = sessionService.getImsToken(phoneNumber);
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if (token == null) {
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messageService.sendMessage(phoneNumber, "Your session has expired. Please type 'Reset' to login again.");
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return;
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}
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String rawTimetable = imsApiService.getTimetable(token);
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String weeklyTimetable = MessageFormatter.formatWeeklyTimetable(rawTimetable);
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// Send weekly timetable as standard message (up to 4096 characters limit)
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messageService.sendMessage(phoneNumber, weeklyTimetable);
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// Follow up with Timetable sub-menu again
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sendTimetableMenu(phoneNumber, token);
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}
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public void handleExamFees(String phoneNumber) {
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String token = sessionService.getImsToken(phoneNumber);
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if (token == null) {
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messageService.sendMessage(phoneNumber, "Your session has expired. Please type 'Reset' to login again.");
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return;
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}
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String rawExamFees = imsApiService.getExamFees(token);
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String formattedExamFees = MessageFormatter.formatExamFees(rawExamFees);
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messageService.sendMessage(phoneNumber, formattedExamFees);
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sendFeeDetailsMenu(phoneNumber, token);
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}
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public void handlePaymentHistory(String phoneNumber) {
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String token = sessionService.getImsToken(phoneNumber);
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if (token == null) {
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messageService.sendMessage(phoneNumber, "Your session has expired. Please type 'Reset' to login again.");
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return;
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}
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sendPaymentHistoryMenu(phoneNumber, token);
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}
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public void sendTimetableMenu(String phoneNumber, String token) {
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String rawTimetable = imsApiService.getTimetable(token);
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String todaySchedule = MessageFormatter.formatTimetable(rawTimetable);
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// Truncate to stay safely within WhatsApp 1024 character limit for button bodies
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if (todaySchedule.length() > 1020) {
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todaySchedule = todaySchedule.substring(0, 1017) + "...";
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}
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List<Map<String, String>> buttons = new ArrayList<>();
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Map<String, String> weeklyBtn = new HashMap<>();
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weeklyBtn.put("id", "student_weekly_timetable");
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weeklyBtn.put("title", "Weekly Timetable");
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buttons.add(weeklyBtn);
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Map<String, String> menuBtn = new HashMap<>();
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menuBtn.put("id", "student_show_menu");
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menuBtn.put("title", "Student Menu");
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buttons.add(menuBtn);
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System.out.println("FINAL TODAY TIMETABLE MESSAGE:\n" + todaySchedule);
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Map<String, Object> buttonMessage = WhatsAppMessageBuilder.buildButtonMessage(todaySchedule, buttons);
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messageService.sendInteractiveMessage(phoneNumber, buttonMessage);
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sendStudentMenuDirectly(phoneNumber);
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}
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public void sendFeeDetailsMenu(String phoneNumber, String token) {
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String rawFees = imsApiService.getFees(token);
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String bodyText = MessageFormatter.formatAcademicFeesOnly(rawFees);
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List<Map<String, String>> feeButtons = new ArrayList<>();
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Map<String, String> examBtn = new HashMap<>();
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examBtn.put("id", "student_exam_fees");
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examBtn.put("title", "Exam Fees");
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feeButtons.add(examBtn);
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Map<String, String> historyBtn = new HashMap<>();
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historyBtn.put("id", "student_payment_history");
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historyBtn.put("title", "Payment History");
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feeButtons.add(historyBtn);
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if (bodyText.length() > 1020) {
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bodyText = bodyText.substring(0, 1017) + "...";
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}
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Map<String, Object> feeButtonMessage = WhatsAppMessageBuilder.buildButtonMessage(bodyText, feeButtons);
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messageService.sendInteractiveMessage(phoneNumber, feeButtonMessage);
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sendStudentMenuDirectly(phoneNumber);
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}
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public void sendPaymentHistoryMenu(String phoneNumber, String token) {
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String rawExamFees = imsApiService.getExamFees(token);
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String rawFeesHistory = imsApiService.getAcademicFeesHistory(token);
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String formattedHistory = MessageFormatter.formatCombinedPaymentHistory(rawExamFees, rawFeesHistory);
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Map<String, String> idMappings = new HashMap<>();
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List<Map<String, String>> examRows = MessageFormatter.extractReceiptRows(rawExamFees, idMappings);
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List<Map<String, String>> acadRows = MessageFormatter.extractAcademicReceiptRows(rawFeesHistory, idMappings);
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List<Map<String, String>> consRows = MessageFormatter.extractConsolidatedReceiptRows(rawFeesHistory, idMappings);
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sessionService.storeReceiptIdMappings(phoneNumber, idMappings);
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List<Map<String, String>> receiptRows = new ArrayList<>();
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receiptRows.addAll(examRows);
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receiptRows.addAll(acadRows);
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receiptRows.addAll(consRows);
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if (!receiptRows.isEmpty()) {
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if (receiptRows.size() > 10) receiptRows = receiptRows.subList(0, 10);
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sessionService.setUserState(phoneNumber, UserState.AWAITING_RECEIPT_SELECTION);
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if (formattedHistory.length() > 1024) {
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formattedHistory = formattedHistory.substring(0, 1021) + "...";
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}
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Map<String, Object> listMessage = WhatsAppMessageBuilder.buildListMessage(
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"Receipts", formattedHistory, "Download Receipt", receiptRows
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);
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messageService.sendInteractiveMessage(phoneNumber, listMessage);
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sendStudentMenuDirectly(phoneNumber);
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} else {
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sendResponseWithMenu(phoneNumber, formattedHistory);
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}
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}
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private void sendResponseWithMenu(String phoneNumber, String bodyText) {
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// Meta API interactive list body limit is 1024 characters
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if (bodyText.length() > 1024) {
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bodyText = bodyText.substring(0, 1021) + "...";
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}
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Map<String, Object> interactiveList = WhatsAppMessageBuilder.buildListMessage(
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null,
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bodyText,
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"Student Menu",
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getStudentMenuRows()
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);
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messageService.sendInteractiveMessage(phoneNumber, interactiveList);
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}
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public void sendHelpMenu(String phoneNumber) {
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List<Map<String, String>> rows = new ArrayList<>();
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rows.add(createRow("student_contact_department", "Contact department", "Faculty mentor, HOD, etc."));
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rows.add(createRow("student_logout", "Logout", "Sign out of your account"));
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Map<String, Object> interactiveList = WhatsAppMessageBuilder.buildListMessage(
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"Help & Settings",
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"Please select an option below:",
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"Help Menu",
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rows
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);
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messageService.sendInteractiveMessage(phoneNumber, interactiveList);
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sendStudentMenuDirectly(phoneNumber);
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}
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public void sendStudentMenuDirectly(String phoneNumber) {
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sessionService.setUserState(phoneNumber, UserState.MAIN_MENU);
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Map<String, Object> interactiveList = WhatsAppMessageBuilder.buildListMessage(
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null,
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"Select an option from the menu below",
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"Student Menu",
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getStudentMenuRows()
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);
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messageService.sendInteractiveMessage(phoneNumber, interactiveList);
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}
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public void sendInternalMarksMenu(String phoneNumber) {
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List<Map<String, String>> rows = new ArrayList<>();
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rows.add(createRow("student_cat1_marks", "CAT 1 Marks", "View CAT 1 (CO1) marks"));
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rows.add(createRow("student_cat2_marks", "CAT 2 Marks", "View CAT 2 (CO2) marks"));
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rows.add(createRow("student_cat3_marks", "CAT 3 Marks", "View CAT 3 (CO3) marks"));
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rows.add(createRow("student_assignment_marks", "Assignment Marks", "View assignments 1-5 marks"));
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Map<String, Object> interactiveList = WhatsAppMessageBuilder.buildListMessage(
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"Internal Marks",
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"Select which internal marks you want to view:",
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"Select Option",
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rows
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);
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messageService.sendInteractiveMessage(phoneNumber, interactiveList);
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sendStudentMenuDirectly(phoneNumber);
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}
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public void handleCat1Marks(String phoneNumber) {
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String token = sessionService.getImsToken(phoneNumber);
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if (token == null) {
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messageService.sendMessage(phoneNumber, "Your session has expired. Please type 'Reset' to login again.");
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return;
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}
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String rawCatMarks = imsApiService.getCatMarks(token);
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String formatted = com.rit.whatsapp.util.MessageFormatter.formatCat1Marks(rawCatMarks);
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messageService.sendMessage(phoneNumber, formatted);
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sendInternalMarksMenu(phoneNumber);
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}
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public void handleCat2Marks(String phoneNumber) {
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String token = sessionService.getImsToken(phoneNumber);
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if (token == null) {
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messageService.sendMessage(phoneNumber, "Your session has expired. Please type 'Reset' to login again.");
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return;
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}
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String rawCatMarks = imsApiService.getCatMarks(token);
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String formatted = com.rit.whatsapp.util.MessageFormatter.formatCat2Marks(rawCatMarks);
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messageService.sendMessage(phoneNumber, formatted);
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sendInternalMarksMenu(phoneNumber);
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}
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public void handleCat3Marks(String phoneNumber) {
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String token = sessionService.getImsToken(phoneNumber);
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if (token == null) {
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messageService.sendMessage(phoneNumber, "Your session has expired. Please type 'Reset' to login again.");
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return;
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}
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String rawCatMarks = imsApiService.getCatMarks(token);
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String formatted = com.rit.whatsapp.util.MessageFormatter.formatCat3Marks(rawCatMarks);
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messageService.sendMessage(phoneNumber, formatted);
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sendInternalMarksMenu(phoneNumber);
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}
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public void handleAssignmentMarks(String phoneNumber) {
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String token = sessionService.getImsToken(phoneNumber);
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if (token == null) {
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messageService.sendMessage(phoneNumber, "Your session has expired. Please type 'Reset' to login again.");
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return;
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}
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String rawAssignmentMarks = imsApiService.getAssignmentMarks(token);
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String formatted = com.rit.whatsapp.util.MessageFormatter.formatAssignmentMarks(rawAssignmentMarks);
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messageService.sendMessage(phoneNumber, formatted);
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sendInternalMarksMenu(phoneNumber);
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}
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private List<Map<String, String>> getStudentMenuRows() {
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List<Map<String, String>> rows = new ArrayList<>();
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rows.add(createRow("student_attendance", "Attendance", "Overall % and Subject-wise"));
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rows.add(createRow("student_timetable", "Timetable", "Today's classes and Weekly"));
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rows.add(createRow("student_internal_marks", "Internal marks", "CAT 1, CAT 2, Overall"));
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rows.add(createRow("student_semester_results", "Semester results", "Latest result and CGPA"));
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rows.add(createRow("student_fee_details", "Fee details & receipt", "Fee paid, Pending, Due date"));
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rows.add(createRow("student_academic_calendar", "Academic calendar", "Holidays and Important dates"));
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rows.add(createRow("student_exam_schedule", "Exam schedule", "Upcoming exams and Hall details"));
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rows.add(createRow("student_circulars", "Circulars & Notices", "Department circulars"));
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rows.add(createRow("student_raise_grievance", "Raise a grievance \u2B50", "Submit an issue ticket"));
|
|
rows.add(createRow("student_help_menu", "Help & Settings", "Logout, Contact dept, etc."));
|
|
return rows;
|
|
}
|
|
|
|
private Map<String, String> createRow(String id, String title, String description) {
|
|
Map<String, String> row = new HashMap<>();
|
|
row.put("id", id);
|
|
row.put("title", title);
|
|
row.put("description", description);
|
|
return row;
|
|
}
|
|
}
|