All files / src/app/teacher-page/page/class-roster ClassRoster.jsx

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/**
 * Modified by Allan Ninal — 2026-08-11
 *
 * Student profile lookup delegated to studentProfileLookup.js, and the lookup email
 * is now URL-encoded so plus-addressed students can be found (PR #206).
 */
 
import {
    Box,
    Button,
    Chip,
    Dialog,
    DialogActions,
    DialogContent,
    DialogContentText,
    DialogTitle,
    FormControl,
    MenuItem,
    Select,
} from "@mui/material";
import WarningIcon from "@mui/icons-material/Warning";
import { useTheme } from "@mui/material/styles";
import PinnedTable from "@/utils/components/tables/pinned-table/PinnedTable";
import {
    buildStudentLookupUrl,
    findExactStudentByEmail,
    toStudentProfile,
} from "@/app/teacher-page/components/class-roster/studentProfileLookup";
import {
    getHeroSoftToolbarSx,
    getHeroSoftSearchFieldSx,
    getHeroSoftSelectSx,
} from "@/utils/components/tables/heroTableStyles";
import { MRT_GlobalFilterTextField } from "material-react-table";
import { useDispatch, useSelector } from "react-redux";
import {
    _fetchClassRoster,
    _acceptStudent,
    _removeStudent,
    _approveLeave,
} from "@/store/slices/teacher/TeacherClassRoster";
import { messageFromRejection } from "@/utils/helpers/rejectionMessage";
import React, { useEffect, useState, useMemo, useRef } from "react";
import { enqueueSnackbar, closeSnackbar } from "notistack";
import SearchProfile from "@/app/teacher-page/components/class-roster/SearchProfile";
import DefaultImage from "@/assets/default_image.png";
import axios from "axios";
import SimpleLoading from "@/utils/components/SimpleLoading";
 
const ClassRoster = () => {
    const theme = useTheme();
    const { specificClassData } = useSelector((state) => state.TeacherSpecificClass);
    const { classRosterData, isLoading } = useSelector((state) => state.TeacherClassRoster);
    const dispatch = useDispatch();
 
    const [classStatus, setClassStatus] = useState("all");
    const [viewProfile, setViewProfile] = useState(null);
    const [isDialog, setDialog] = useState(false);
    const [pageLoading, setPageLoading] = useState(false);
    const [confirmDialog, setConfirmDialog] = useState({
        open: false,
        action: null,
        row: null,
        title: "",
        message: "",
    });
 
    // EI-1163 (Allan Ninal, 2026-10-04): Undo after remove/reject — reuses accept; reject undo returns the student as Enrolled.
    // Server (teacher student_accepted) accepts Pending, Rejected AND Removed -> Enrolled, so:
    //   - undoing a REMOVE is an exact reversal (Enrolled -> Removed -> Enrolled);
    //   - undoing a REJECT yields Enrolled, NOT Pending (no restore-to-Pending endpoint exists).
    // Only one undo is pending at a time: a new remove/reject replaces the previous snackbar
    // (the earlier action simply stays applied).
    // Delivered through notistack (the automation contract detects success toasts by notistack classes).
    const undoKeyRef = useRef(null);
 
    const handleUndo = (key, { classID, studentID, name }) => {
        closeSnackbar(key);
        Eif (undoKeyRef.current === key) undoKeyRef.current = null;
        dispatch(_acceptStudent({ classID, studentID })).then((response) => {
            if (!_acceptStudent.fulfilled.match(response)) {
                reportRosterFailure(response);
                // Keep the roster consistent with the server after a failed restore.
                dispatch(_fetchClassRoster(classID));
                return;
            }
            enqueueSnackbar(`${name} restored`, { variant: "success" });
            dispatch(_fetchClassRoster(classID));
        });
    };
 
    const showUndo = ({ classID, studentID, name, kind }) => {
        if (undoKeyRef.current !== null) closeSnackbar(undoKeyRef.current);
        const target = { classID, studentID, name };
        const key = enqueueSnackbar(kind === "rejected" ? `${name} rejected.` : `${name} removed from the class.`, {
            variant: "success",
            autoHideDuration: 10000,
            action: (snackKey) => (
                <Button
                    id="teacher-roster-undo-button"
                    color="inherit"
                    size="small"
                    onClick={() => handleUndo(snackKey, target)}
                >
                    Undo
                </Button>
            ),
        });
        undoKeyRef.current = key;
    };
 
    const openConfirmDialog = (action, row, title, message) => {
        setConfirmDialog({
            open: true,
            action,
            row,
            title,
            message,
        });
    };
 
    const handleConfirmDialogClose = () => {
        setConfirmDialog({
            open: false,
            action: null,
            row: null,
            title: "",
            message: "",
        });
    };
 
    const handleConfirmAction = () => {
        if (confirmDialog.action === "reject") {
            executeRejectStudent(confirmDialog.row);
        } else if (confirmDialog.action === "remove") {
            executeRemoveStudent(confirmDialog.row);
        E} else if (confirmDialog.action === "approveLeave") {
            executeApproveLeave(confirmDialog.row);
        }
        handleConfirmDialogClose();
    };
 
    const getAllEntries = (students) => {
        return students
            .filter((student) => {
                if (classStatus === "enrolled") return student.status === "Enrolled";
                if (classStatus === "pending") return student.status === "Pending";
                if (classStatus === "removed") return student.status === "Removed";
                if (classStatus === "rejected") return student.status === "Rejected";
                if (classStatus === "requesting to leave") return student.is_requesting_to_leave === true;
                return true; // for default case
            })
            .map((student) => ({
                _id: student._id,
                status: student.status,
                lastName: student.last_name,
                firstName: student.first_name,
                middleName: student.middle_name,
                fullName: [student.first_name, student.middle_name, student.last_name].filter(Boolean).join(" "),
                email: student.email,
                is_requesting_to_leave: student.is_requesting_to_leave,
            }));
    };
 
    const viewStudentProfile = async (row) => {
        setPageLoading(true);
 
        try {
            const { data } = await axios.get(buildStudentLookupUrl(row.original.email));
 
            const matchedStudent = findExactStudentByEmail(data?.data, row.original.email);
 
            if (!matchedStudent) {
                enqueueSnackbar("No exact student match found for the given email.", {
                    variant: "error",
                });
                setViewProfile({});
                return;
            }
 
            setViewProfile(toStudentProfile(matchedStudent));
 
            setDialog(true);
        } catch (error) {
            enqueueSnackbar(error.response?.data || error.message, {
                variant: "error",
            });
            setViewProfile({});
        } finally {
            setPageLoading(false);
        }
    };
 
    /**
     * Modified by Allan Ninal — these four reported SUCCESS when the request failed.
     *
     * With rejectWithValue, a rejected action's `payload` IS the error body, so the
     * `if (response.payload)` guard these used is TRUE on failure. A teacher whose
     * approval was refused was told "Student successfully accepted" — while the
     * student stayed at "Waiting For Approval" and locked out of the class.
     * approve-leave read `response.payload.status`, which is undefined on that same
     * body, so it said nothing at all instead.
     *
     * `fulfilled.match` is the only reliable test of which happened.
     */
    const reportRosterFailure = (action) => {
        enqueueSnackbar(messageFromRejection(action), { variant: "error" });
    };
 
    const acceptStudent = (row) => {
        const payload = {
            classID: specificClassData._id,
            studentID: row.original._id,
        };
        dispatch(_acceptStudent(payload)).then((response) => {
            if (!_acceptStudent.fulfilled.match(response)) {
                reportRosterFailure(response);
                return;
            }
            enqueueSnackbar("Student successfully accepted", {
                variant: "success",
            });
            dispatch(_fetchClassRoster(specificClassData._id));
        });
    };
 
    const executeApproveLeave = (row) => {
        const payload = {
            classID: specificClassData._id,
            studentID: row.original._id,
        };
        dispatch(_approveLeave(payload)).then((response) => {
            if (!_approveLeave.fulfilled.match(response)) {
                reportRosterFailure(response);
                return;
            }
            enqueueSnackbar("Student has been removed from the class", {
                variant: "success",
            });
            dispatch(_fetchClassRoster(specificClassData._id));
        });
    };
 
    const approveLeave = (row) => {
        openConfirmDialog(
            "approveLeave",
            row,
            "Approve Leave Request",
            `Are you sure you want to approve ${row.original.fullName}'s request to leave this class? This action will remove them from the class.`
        );
    };
 
    const executeRejectStudent = (row) => {
        const payload = {
            classID: specificClassData._id,
            studentID: row.original._id,
        };
        dispatch(_removeStudent(payload)).then((response) => {
            if (!_removeStudent.fulfilled.match(response)) {
                reportRosterFailure(response);
                return;
            }
            showUndo({
                classID: payload.classID,
                studentID: payload.studentID,
                name: row.original.fullName,
                kind: "rejected",
            });
            dispatch(_fetchClassRoster(specificClassData._id));
        });
    };
 
    const rejectStudent = (row) => {
        openConfirmDialog(
            "reject",
            row,
            "Reject Student",
            `Are you sure you want to reject ${row.original.fullName}? This action will update their status to "Rejected".`
        );
    };
 
    const executeRemoveStudent = (row) => {
        const payload = {
            classID: specificClassData._id,
            studentID: row.original._id,
        };
        dispatch(_removeStudent(payload)).then((response) => {
            if (!_removeStudent.fulfilled.match(response)) {
                reportRosterFailure(response);
                return;
            }
            showUndo({
                classID: payload.classID,
                studentID: payload.studentID,
                name: row.original.fullName,
                kind: "removed",
            });
            dispatch(_fetchClassRoster(specificClassData._id));
        });
    };
 
    const removeStudent = (row) => {
        openConfirmDialog(
            "remove",
            row,
            "Remove Student",
            `Are you sure you want to remove ${row.original.fullName} from this class? This action will update their status to "Removed".`
        );
    };
 
    const sendEmail = (row) => {
        const URL = "https://mail.google.com/mail/?view=cm&fs=1"; //gmail
        const TO = row.original.email;
        const SUBJECT = "";
        const BODY = "";
        window.open(URL + "&to=" + TO + "&su=" + SUBJECT + "&body=" + BODY, "_blank").focus();
    };
 
    const chipCellValue = (value, is_requesting_to_leave) => {
        if (is_requesting_to_leave) return <Chip label={"Requesting to leave"} size="small" color="warning" />;
        switch (value) {
            case "Pending":
                return <Chip label={value} size="small" color="info" />;
            case "Enrolled":
                return <Chip label={value} size="small" color="success" />;
            case "Removed":
                return <Chip label={value} size="small" color="error" />;
            case "Rejected":
                return <Chip label={value} size="small" color="error" />;
            default:
                break;
        }
    };
 
    const columns = [
        { accessorKey: "lastName", header: "Last name" },
        { accessorKey: "firstName", header: "First name" },
        { accessorKey: "middleName", header: "Middle Name" },
        { accessorKey: "email", header: "Email" },
        {
            accessorKey: "status",
            header: "Status",
            Cell: ({ cell }) => chipCellValue(cell.getValue(), cell.row.original.is_requesting_to_leave),
        },
        {
            accessorKey: "fullName",
            header: "Full Name",
            enableHiding: false,
            visibleInShowHideMenu: false,
            size: 0,
        },
    ];
 
    const topToolbar = ({ table }) => {
        return (
            <Box sx={{ ...getHeroSoftToolbarSx(theme), alignItems: "center" }}>
                <MRT_GlobalFilterTextField
                    table={table}
                    sx={getHeroSoftSearchFieldSx(theme)}
                    placeholder="Search roster"
                />
                <FormControl size="small" sx={{ width: 200, ...getHeroSoftSelectSx(theme) }}>
                    <Select
                        value={classStatus}
                        onChange={(e) => {
                            setClassStatus(e.target.value);
                        }}
                    >
                        <MenuItem value="all">All</MenuItem>
                        <MenuItem value="enrolled">Enrolled</MenuItem>
                        <MenuItem value="pending">Pending</MenuItem>
                        <MenuItem value="removed">Removed</MenuItem>
                        <MenuItem value="rejected">Rejected</MenuItem>
                        <MenuItem value="requesting to leave">Requesting to leave</MenuItem>
                    </Select>
                </FormControl>
            </Box>
        );
    };
 
    const actionButtons = (row) => {
        if (row.original.is_requesting_to_leave) {
            return [
                <MenuItem key="approveLeave" onClick={() => approveLeave(row)}>
                    Approve
                </MenuItem>,
            ];
        }
 
        const viewProfileItem = (
            <MenuItem key="viewStudentProfile" onClick={() => viewStudentProfile(row)}>
                View Profile
            </MenuItem>
        );
        const emailItem = (
            <MenuItem key="emailClassRoster" onClick={() => sendEmail(row)}>
                Email
            </MenuItem>
        );
 
        switch (row.original.status) {
            case "Pending":
                return [
                    viewProfileItem,
                    <MenuItem key="acceptClassRoster" onClick={() => acceptStudent(row)}>
                        Accept
                    </MenuItem>,
                    <MenuItem key="rejectClassRoster" onClick={() => rejectStudent(row)}>
                        Reject
                    </MenuItem>,
                ];
            case "Enrolled":
                return [
                    viewProfileItem,
                    <MenuItem key="removeClassRoster" onClick={() => removeStudent(row)}>
                        Remove
                    </MenuItem>,
                    emailItem,
                ];
            case "Removed":
                return [
                    viewProfileItem,
                    <MenuItem key="rejoinClassRoster" onClick={() => acceptStudent(row)}>
                        Rejoin
                    </MenuItem>,
                    emailItem,
                ];
            case "Rejected":
                return [
                    viewProfileItem,
                    <MenuItem key="acceptClassRoster" onClick={() => acceptStudent(row)}>
                        Accept
                    </MenuItem>,
                    emailItem,
                ];
            default:
                return [];
        }
    };
 
    const rowActions = ({ row }) => actionButtons(row);
 
    const confirmButtonProps = useMemo(() => {
        const action = confirmDialog.action;
        let color = "warning";
        let text = "Remove";
 
        if (action === "reject") {
            color = "error";
            text = "Reject";
        } else if (action === "approveLeave") {
            color = "primary";
            text = "Approve";
        }
 
        return { color, text };
    }, [confirmDialog.action]);
 
    useEffect(() => {
        dispatch(_fetchClassRoster(specificClassData._id));
    }, []);
 
    return (
        <React.Fragment>
            <SimpleLoading showLoading={pageLoading} />
            <SearchProfile data={viewProfile} isDialog={isDialog} setDialog={setDialog} />
 
            {/* Confirmation Dialog */}
            <Dialog
                open={confirmDialog.open}
                onClose={handleConfirmDialogClose}
                aria-labelledby="confirm-dialog-title"
                aria-describedby="confirm-dialog-description"
                maxWidth="sm"
                fullWidth
                onKeyDown={(e) => {
                    if (e.key === "Enter") {
                        handleConfirmAction();
                    }
                }}
            >
                <DialogTitle id="confirm-dialog-title" sx={{ display: "flex", alignItems: "center", gap: 1.5 }}>
                    <WarningIcon color={confirmButtonProps.color} sx={{ fontSize: 28 }} />
                    {confirmDialog.title}
                </DialogTitle>
                <DialogContent dividers>
                    <DialogContentText id="confirm-dialog-description" sx={{ fontSize: "1rem" }}>
                        {confirmDialog.message}
                    </DialogContentText>
                </DialogContent>
                <DialogActions sx={{ px: 3, py: 2 }}>
                    <Button onClick={handleConfirmDialogClose} variant="outlined">
                        Cancel
                    </Button>
                    <Button
                        onClick={handleConfirmAction}
                        variant="contained"
                        color={confirmButtonProps.color}
                        autoFocus
                    >
                        {confirmButtonProps.text}
                    </Button>
                </DialogActions>
            </Dialog>
 
            <Box sx={{ width: "100%", minHeight: 420, display: "flex", flexDirection: "column" }}>
                <Box sx={{ flex: 1, minHeight: 360, display: "flex", flexDirection: "column" }}>
                    <PinnedTable
                        tableId="teacher-class-roster"
                        variant="soft"
                        columns={columns}
                        data={classRosterData ? getAllEntries(classRosterData) : []}
                        topToolbar={topToolbar}
                        pinnedColumn={false}
                        rowActions={rowActions}
                        isLoading={isLoading}
                        enableStickyHeader
                        initialState={{
                            columnVisibility: { fullName: false },
                        }}
                        muiTableContainerProps={{ sx: { minHeight: 260 } }}
                    />
                </Box>
            </Box>
        </React.Fragment>
    );
};
 
export default ClassRoster;