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import { Avatar, Box, Button, Card, CardActions, CardContent, Chip, Stack, Typography } from "@mui/material";
import CheckCircleIcon from "@mui/icons-material/CheckCircle";
import PendingIcon from "@mui/icons-material/HourglassEmpty";
import BlockIcon from "@mui/icons-material/Block";
import RejectedIcon from "@mui/icons-material/Cancel";
import SearchOffIcon from "@mui/icons-material/SearchOff";
import DeletedIcon from "@mui/icons-material/DoNotDisturbOn";
import TagIcon from "@mui/icons-material/Tag";
import ArrowForwardRoundedIcon from "@mui/icons-material/ArrowForwardRounded";
import { useNavigate } from "react-router-dom";
import { _fetchSpecificClassByCode } from "@/store/slices/student/StudentSpecificClass";
import { useDispatch, useSelector } from "react-redux";
import { ClassCardBanner } from "@/utils/components";
// The banner shows the teacher-uploaded cover photo (entry.class_photo) when
// present. Otherwise it falls back to a flat fill using the district's
// selected theme color (theme "primary", which follows the theme preset
// picker) via the shared ClassCardBanner, whose shape scatter is still
// unique per class code. Mirrors the teacher-side class card (see
// src/app/teacher-page/components/class-list/ClassCards.jsx) — read-only here,
// students can't edit the photo.
const ACCENT_COLOR_KEY = "primary";
const STATUS_CONFIG = {
Enrolled: {
label: "Enrolled",
color: "success",
icon: <CheckCircleIcon sx={{ fontSize: "14px !important" }} />,
buttonLabel: "View Class",
disabled: false,
},
Pending: {
label: "Pending",
color: "warning",
icon: <PendingIcon sx={{ fontSize: "14px !important" }} />,
buttonLabel: "Waiting For Approval",
disabled: true,
},
Removed: {
label: "Removed",
color: "error",
icon: <BlockIcon sx={{ fontSize: "14px !important" }} />,
buttonLabel: "Removed From Class",
disabled: true,
},
Rejected: {
label: "Rejected",
color: "error",
icon: <RejectedIcon sx={{ fontSize: "14px !important" }} />,
buttonLabel: "Enrollment Rejected",
disabled: true,
},
};
const getEnrollment = (students, email) => {
const student = students.find((s) => s.email === email);
return STATUS_CONFIG[student?.status] ?? null;
};
const StatusChip = ({ color, icon, label }) => (
<Chip
variant="soft"
color={color}
size="small"
icon={icon}
label={label}
sx={{ fontWeight: 600, fontSize: "0.7rem" }}
/>
);
const ClassCard = ({ entry, index, studentEmail }) => {
const theme = useTheme();
const navigate = useNavigate();
const dispatch = useDispatch();
const isDeleted = entry.deleted === true;
const enrollment = isDeleted ? null : getEnrollment(entry.students, studentEmail);
const viewDisabled = isDeleted || (enrollment ? enrollment.disabled : true);
const semLabel = entry.semester.charAt(0).toUpperCase() + entry.semester.slice(1);
const accent = theme.palette[ACCENT_COLOR_KEY];
const glowShadow = theme.customShadows?.[ACCENT_COLOR_KEY] ?? theme.customShadows?.z16;
const handleView = () => {
dispatch(_fetchSpecificClassByCode(entry.class_code)).then((response) => {
// Modified by Allan Ninal — `response.payload` is truthy for a REJECTED
// action too (it carries the error body), so this navigated into a class
// page whose fetch had just failed.
if (!_fetchSpecificClassByCode.fulfilled.match(response)) return;
navigate(`/student/classes/${entry.class_code}`);
});
};
return (
<Card
elevation={0}
sx={{
borderRadius: "12px",
overflow: "hidden",
display: "flex",
flexDirection: "column",
height: "100%",
border: (t) => `1px solid ${alpha(t.palette.grey[500], 0.14)}`,
transition: theme.transitions.create(["transform", "box-shadow"], { duration: 220 }),
"&:hover": { transform: "translateY(-4px)", boxShadow: glowShadow },
}}
>
{entry.class_photo ? (
<Box sx={{ position: "relative", height: 120 }}>
<Box
component="img"
src={entry.class_photo}
alt={`${entry.title} cover`}
sx={{ width: "100%", height: "100%", objectFit: "cover", display: "block" }}
/>
<Chip
label={semLabel}
size="small"
sx={{
position: "absolute",
top: 12,
right: 12,
bgcolor: (t) => alpha(t.palette.background.paper, 0.92),
color: "text.primary",
fontWeight: 700,
fontSize: "0.64rem",
height: 22,
backdropFilter: "blur(4px)",
}}
/>
</Box>
) : (
<ClassCardBanner
seed={entry.class_code || entry.title || ""}
accentMain={accent.main}
label={semLabel}
ariaLabel={`${entry.title} cover`}
/>
)}
<CardContent sx={{ flex: 1, pt: 2, pb: 1 }}>
<Typography
variant="subtitle1"
fontWeight={700}
noWrap
title={entry.title}
sx={{ fontFamily: theme.typography.fontSecondaryFamily, mb: 0.25 }}
>
{entry.title}
<Typography component="span" variant="inherit" color="text.secondary" fontWeight={400}>
{" "}
(Section {entry.section})
</Typography>
</Typography>
<Stack direction="row" alignItems="center" spacing={0.4} sx={{ mb: 1.5, color: "text.secondary" }}>
<TagIcon sx={{ fontSize: 13 }} />
<Typography variant="caption" sx={{ fontFamily: "monospace" }}>
{entry.class_code}
</Typography>
</Stack>
<Stack direction="row" spacing={1} alignItems="center" sx={{ mb: 1.5 }}>
{isDeleted ? (
<StatusChip
color="error"
icon={<DeletedIcon sx={{ fontSize: "14px !important" }} />}
label="Unavailable"
/>
) : (
enrollment && (
<StatusChip color={enrollment.color} icon={enrollment.icon} label={enrollment.label} />
)
)}
</Stack>
<Stack direction="row" spacing={1} alignItems="center">
<Avatar sx={{ width: 28, height: 28, bgcolor: accent.main, fontSize: "0.75rem" }}>
{entry.teacher.first_name[0]}
{entry.teacher.last_name[0]}
</Avatar>
<Box>
<Typography variant="body2" fontWeight={500}>
{`${entry.teacher.first_name} ${entry.teacher.last_name}`}
</Typography>
<Typography variant="caption" color="text.secondary">
Instructor
</Typography>
</Box>
</Stack>
</CardContent>
<CardActions sx={{ px: 2.5, pb: 2.5, pt: 0 }}>
<Button
id={`student-classes-card-button-view-${index}`}
variant="contained"
disableElevation
size="small"
fullWidth
disabled={viewDisabled}
endIcon={!viewDisabled && <ArrowForwardRoundedIcon sx={{ fontSize: 16 }} />}
onClick={handleView}
sx={{
textTransform: "none",
fontWeight: 700,
borderRadius: "8px",
...(!viewDisabled && {
bgcolor: accent.main,
color: accent.contrastText,
"&:hover": { bgcolor: accent.dark },
}),
}}
>
{isDeleted ? "No Longer Available" : (enrollment?.buttonLabel ?? "View Class")}
</Button>
</CardActions>
</Card>
);
};
const EmptyState = () => (
<Box sx={{ py: 8, display: "flex", flexDirection: "column", alignItems: "center", gap: 1.5 }}>
<Box
sx={{
width: 72,
height: 72,
borderRadius: "50%",
backgroundColor: "action.hover",
display: "flex",
alignItems: "center",
justifyContent: "center",
mb: 1,
}}
>
<SearchOffIcon sx={{ fontSize: 36, color: "text.disabled" }} />
</Box>
<Typography variant="h6" fontWeight={600} color="text.secondary">
No classes found
</Typography>
<Typography variant="body2" color="text.disabled" textAlign="center">
Try adjusting your search, semester, or status filter
</Typography>
</Box>
);
const ClassCards = ({ classList }) => {
const { studentData } = useSelector((state) => state.StudentData);
Iif (!classList || classList.length === 0) {
return <EmptyState />;
}
return (
<Box
sx={{
display: "grid",
gridTemplateColumns: "repeat(auto-fill, minmax(268px, 1fr))",
gap: { xs: 1.5, sm: 2, md: 2.5 },
}}
>
{classList.map((entry, index) => (
<ClassCard key={entry.class_code} entry={entry} index={index} studentEmail={studentData.email} />
))}
</Box>
);
};
export default ClassCards;
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