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import { useDispatch, useSelector } from "react-redux";
import { useTheme } from "@mui/material/styles";
import { Box, Grid, Stack, useMediaQuery } from "@mui/material";
import SchoolIcon from "@mui/icons-material/School";
import PeopleIcon from "@mui/icons-material/People";
import HourglassEmptyIcon from "@mui/icons-material/HourglassEmpty";
import StarIcon from "@mui/icons-material/Star";
import axios from "axios";
import { API_ENDPOINTS } from "@/api/endpoints";
import { _fetchAllClasses } from "@/store/slices/teacher/TeacherClasses";
import StatCard from "./components/StatCard";
import QuickActionsPanel from "./components/QuickActionsPanel";
import SearchProfileWidget from "./components/SearchProfileWidget";
import AssignmentSubmissionsChart from "./components/AssignmentSubmissionsChart";
import PassedVsFailedCard from "./components/PassedVsFailedCard";
import WelcomeBanner from "./components/WelcomeBanner";
function countStudents(classData, status) {
if (!classData) return 0;
return classData.reduce((sum, cls) => {
const count = cls.students?.filter((s) => s.status === status).length ?? 0;
return sum + count;
}, 0);
}
function transformSubmissionStats(response) {
const categories = [];
const totalAssignments = [];
const totalSubmissions = [];
const passedSubmissions = [];
const failedSubmissions = [];
response.data.forEach((classItem) => {
categories.push(classItem.class_title);
totalAssignments.push(classItem.total_assignments || 0);
totalSubmissions.push(classItem.total_submissions || 0);
passedSubmissions.push(classItem.total_passed_submissions || 0);
failedSubmissions.push(classItem.total_failed_submissions || 0);
});
return {
categories,
data: [
{ name: "Total Assignments", data: totalAssignments },
{ name: "Total Submissions", data: totalSubmissions },
{ name: "Passed Submissions", data: passedSubmissions },
{ name: "Failed Submissions", data: failedSubmissions },
],
};
}
export default function Dashboard() {
const theme = useTheme();
const dispatch = useDispatch();
const isMobile = useMediaQuery("(max-width:450px)");
const { teacherData } = useSelector((state) => state.TeacherData);
const { classData, isLoading } = useSelector((state) => state.TeacherClasses);
const [chartData, setChartData] = useState([]);
const [chartCategories, setChartCategories] = useState([]);
const [chartPassed, setChartPassed] = useState(0);
const [chartFailed, setChartFailed] = useState(0);
const [chartLoading, setChartLoading] = useState(true);
const [activeTests, setActiveTests] = useState(null);
const [activeTestsLoading, setActiveTestsLoading] = useState(true);
useEffect(() => {
dispatch(_fetchAllClasses(""));
fetchSubmissionsStats();
fetchAssignmentsStats();
}, [dispatch]);
const fetchAssignmentsStats = async () => {
try {
const response = await axios.get(API_ENDPOINTS.teacher.dashboard.assignmentsStatistics);
if (response.status === 200) {
setActiveTests(response.data?.total_assignments?.active ?? 0);
}
} catch (error) {
console.error("Error fetching assignment stats:", error.response?.data || error.message);
} finally {
setActiveTestsLoading(false);
}
};
const fetchSubmissionsStats = async () => {
try {
const response = await axios.get(API_ENDPOINTS.teacher.dashboard.submissionsStatistics);
if (response.status === 200) {
const { data, categories } = transformSubmissionStats(response.data);
setChartData(data);
setChartCategories(categories);
let passed = 0;
let failed = 0;
response.data.data.forEach((c) => {
passed += c.total_passed_submissions || 0;
failed += c.total_failed_submissions || 0;
});
setChartPassed(passed);
setChartFailed(failed);
}
} catch (error) {
console.error("Error fetching submission stats:", error.response?.data || error.message);
} finally {
setChartLoading(false);
}
};
const totalClasses = classData?.length ?? 0;
const totalEnrolled = countStudents(classData, "Enrolled");
const totalPending = countStudents(classData, "Pending");
const firstName = teacherData?.first_name ?? "";
const statCards = [
{
icon: <SchoolIcon />,
value: isLoading ? "—" : totalClasses,
label: "Total Classes",
color: theme.palette.primary.main,
loading: isLoading,
},
{
icon: <PeopleIcon />,
value: isLoading ? "—" : totalEnrolled,
label: "Enrolled Students",
color: theme.palette.success.main,
loading: isLoading,
},
{
icon: <HourglassEmptyIcon />,
value: isLoading ? "—" : totalPending,
label: "Pending Enrollments",
color: theme.palette.warning.main,
loading: isLoading,
},
{
icon: <StarIcon />,
value: activeTestsLoading ? "—" : (activeTests ?? 0),
label: "Active Tests",
color: theme.palette.info.main,
loading: activeTestsLoading,
},
];
return (
<Box
sx={{ minHeight: "100vh", bgcolor: (t) => (t.palette.mode === "dark" ? "background.default" : "#f8f9fc") }}
>
<WelcomeBanner firstName={firstName} isMobile={isMobile} />
<Box sx={{ px: { xs: 2, sm: 3, md: 4 }, mt: -3 }}>
{/* Stat cards */}
<Grid container spacing={{ xs: 1.5, sm: 2 }} sx={{ mb: 4 }}>
{statCards.map((s) => (
<Grid size={{ xs: 6, md: 3 }} key={s.label}>
<StatCard {...s} />
</Grid>
))}
</Grid>
{/* Main two-column layout */}
<Box
sx={{
display: "flex",
gap: 3,
alignItems: "flex-start",
flexDirection: { xs: "column", md: "row" },
}}
>
{/* Left: charts */}
<Box sx={{ flex: 1, minWidth: 0 }}>
<Stack spacing={3}>
<AssignmentSubmissionsChart
chartData={chartData}
chartCategories={chartCategories}
loading={chartLoading}
/>
<PassedVsFailedCard passed={chartPassed} failed={chartFailed} loading={chartLoading} />
</Stack>
</Box>
{/* Right panel: fixed 310px */}
<Box sx={{ width: { xs: "100%", md: "310px" }, flexShrink: 0 }}>
<Stack spacing={3}>
<QuickActionsPanel
totalClasses={totalClasses}
totalEnrolled={totalEnrolled}
totalPending={totalPending}
/>
<SearchProfileWidget />
</Stack>
</Box>
</Box>
<Box sx={{ height: 40 }} />
</Box>
</Box>
);
}
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