feat: Implement course gradebook with cohort filtering, CSV export, and extend analytics with cohort selection.
This commit is contained in:
@@ -0,0 +1,261 @@
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"use client";
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import React, { useState, useEffect } from "react";
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import { useParams, useRouter } from "next/navigation";
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import { lmsApi, cmsApi, StudentGradeReport, Cohort } from "@/lib/api";
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import { useAuth } from "@/context/AuthContext";
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import CourseEditorLayout from "@/components/CourseEditorLayout";
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import {
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ArrowLeft,
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Search,
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GraduationCap,
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Download,
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CheckCircle,
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AlertCircle,
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User,
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Mail,
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Clock
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} from "lucide-react";
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export default function GradebookPage() {
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const { id } = useParams() as { id: string };
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const router = useRouter();
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const { user } = useAuth();
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const [students, setStudents] = useState<StudentGradeReport[]>([]);
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const [filteredStudents, setFilteredStudents] = useState<StudentGradeReport[]>([]);
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const [cohorts, setCohorts] = useState<Cohort[]>([]);
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const [selectedCohortId, setSelectedCohortId] = useState<string>("");
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const [searchQuery, setSearchQuery] = useState("");
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const [loading, setLoading] = useState(true);
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const [courseTitle, setCourseTitle] = useState("");
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useEffect(() => {
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if (!user) return;
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if (user.role !== 'admin' && user.role !== 'instructor') {
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router.push('/');
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return;
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}
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const fetchData = async () => {
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try {
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setLoading(true);
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const [gradesData, cohortsData, courseData] = await Promise.all([
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lmsApi.getCourseGrades(id, selectedCohortId || undefined),
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lmsApi.getCohorts(),
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cmsApi.getCourse(id)
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]);
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setStudents(gradesData);
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setCohorts(cohortsData);
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setCourseTitle(courseData.title);
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} catch (err) {
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console.error("Failed to load gradebook data", err);
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} finally {
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setLoading(false);
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}
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};
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fetchData();
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}, [id, user, router, selectedCohortId]);
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useEffect(() => {
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let result = students;
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if (searchQuery) {
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const q = searchQuery.toLowerCase();
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result = result.filter(s =>
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s.full_name.toLowerCase().includes(q) ||
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s.email.toLowerCase().includes(q)
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);
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}
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setFilteredStudents(result);
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}, [students, searchQuery]);
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const averageScore = students.length > 0
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? students.reduce((acc, s) => acc + (s.average_score || 0), 0) / students.length
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: 0;
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const exportCSV = () => {
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const headers = ["Name", "Email", "Progress", "Average Score", "Last Active"];
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const rows = filteredStudents.map(s => [
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s.full_name,
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s.email,
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`${(s.progress * 100).toFixed(1)}%`,
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s.average_score ? `${(s.average_score * 100).toFixed(1)}%` : "N/A",
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s.last_active_at ? new Date(s.last_active_at).toLocaleDateString() : "Never"
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]);
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const csvContent = "data:text/csv;charset=utf-8,"
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+ [headers.join(","), ...rows.map(r => r.join(","))].join("\n");
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const encodedUri = encodeURI(csvContent);
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const link = document.createElement("a");
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link.setAttribute("href", encodedUri);
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link.setAttribute("download", `${courseTitle}_gradebook.csv`);
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document.body.appendChild(link);
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link.click();
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document.body.removeChild(link);
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};
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if (loading && students.length === 0) return (
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<div className="min-h-screen bg-[#0f1115] flex items-center justify-center">
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<div className="w-12 h-12 border-4 border-blue-500/20 border-t-blue-500 rounded-full animate-spin"></div>
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</div>
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);
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return (
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<div className="min-h-screen bg-[#0f1115] text-white p-8">
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<div className="max-w-7xl mx-auto">
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{/* Header */}
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<div className="flex items-center justify-between mb-12">
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<div className="flex items-center gap-4">
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<button
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onClick={() => router.back()}
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className="p-2 hover:bg-white/10 rounded-full transition-colors"
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>
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<ArrowLeft className="w-6 h-6" />
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</button>
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<div>
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<h1 className="text-3xl font-bold bg-gradient-to-r from-blue-400 to-indigo-400 bg-clip-text text-transparent">
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Gradebook
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</h1>
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<p className="text-gray-400 mt-1">Student, progress, and performance tracking</p>
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</div>
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</div>
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<div className="flex items-center gap-4">
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<button
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onClick={exportCSV}
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className="btn-premium px-4 flex items-center gap-2"
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>
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<Download size={16} /> Export CSV
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</button>
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</div>
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</div>
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<CourseEditorLayout activeTab="grades">
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<div className="p-8 space-y-8">
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{/* Controls & Stats */}
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<div className="flex flex-col md:flex-row gap-6 justify-between items-center bg-white/5 border border-white/10 rounded-2xl p-6">
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<div className="flex items-center gap-4 w-full md:w-auto">
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<div className="relative">
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<select
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value={selectedCohortId}
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onChange={(e) => setSelectedCohortId(e.target.value)}
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className="appearance-none bg-black/20 text-white border border-white/10 rounded-xl pl-4 pr-10 py-3 text-sm focus:outline-none focus:ring-2 focus:ring-blue-500/50 min-w-[200px]"
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>
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<option value="">All Cohorts</option>
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{cohorts.map(c => <option key={c.id} value={c.id}>{c.name}</option>)}
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</select>
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<div className="absolute right-3 top-1/2 -translate-y-1/2 pointer-events-none text-gray-500">
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▼
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</div>
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</div>
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<div className="relative flex-1 md:w-64">
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<Search className="absolute left-3 top-1/2 -translate-y-1/2 text-gray-500 w-4 h-4" />
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<input
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type="text"
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placeholder="Search students..."
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value={searchQuery}
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onChange={(e) => setSearchQuery(e.target.value)}
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className="w-full bg-black/20 border border-white/10 rounded-xl pl-10 pr-4 py-3 text-sm focus:outline-none focus:ring-2 focus:ring-blue-500/50 text-white placeholder-gray-600"
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/>
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</div>
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</div>
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<div className="flex gap-8 border-l border-white/10 pl-8">
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<div>
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<p className="text-xs font-bold text-gray-500 uppercase tracking-wider mb-1">Students</p>
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<p className="text-2xl font-black">{filteredStudents.length}</p>
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</div>
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<div>
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<p className="text-xs font-bold text-gray-500 uppercase tracking-wider mb-1">Avg Score</p>
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<p className={`text-2xl font-black ${averageScore < 0.7 ? 'text-orange-400' : 'text-green-400'}`}>
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{(averageScore * 100).toFixed(0)}%
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</p>
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</div>
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</div>
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</div>
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{/* Student List */}
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<div className="rounded-3xl border border-white/10 bg-white/[0.02] overflow-hidden">
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<table className="w-full text-left border-collapse">
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<thead>
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<tr className="bg-white/5 border-b border-white/5">
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<th className="p-6 text-xs font-black uppercase tracking-widest text-gray-500">Student</th>
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<th className="p-6 text-xs font-black uppercase tracking-widest text-gray-500">Progress</th>
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<th className="p-6 text-xs font-black uppercase tracking-widest text-gray-500">Avg. Score</th>
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<th className="p-6 text-xs font-black uppercase tracking-widest text-gray-500">Last Active</th>
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<th className="p-6 text-xs font-black uppercase tracking-widest text-gray-500 text-right">Status</th>
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</tr>
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</thead>
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<tbody className="divide-y divide-white/5">
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{filteredStudents.length === 0 ? (
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<tr>
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<td colSpan={5} className="p-12 text-center text-gray-600 italic">No students found.</td>
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</tr>
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) : filteredStudents.map((s) => (
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<tr key={s.user_id} className="hover:bg-white/[0.02] transition-colors group">
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<td className="p-6">
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<div className="flex items-center gap-4">
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<div className="w-10 h-10 rounded-full bg-gradient-to-br from-blue-500 to-indigo-600 flex items-center justify-center text-white font-bold text-sm">
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{s.full_name.charAt(0)}
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</div>
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<div>
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<div className="font-bold text-white group-hover:text-blue-400 transition-colors">{s.full_name}</div>
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<div className="text-xs text-gray-500 flex items-center gap-1 mt-0.5">
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<Mail size={10} /> {s.email}
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</div>
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</div>
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</div>
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</td>
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<td className="p-6 align-middle">
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<div className="w-full max-w-[140px]">
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<div className="flex justify-between text-xs mb-1 font-bold text-gray-400">
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<span>{(s.progress * 100).toFixed(0)}%</span>
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</div>
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<div className="h-1.5 bg-white/10 rounded-full overflow-hidden">
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<div
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className="h-full bg-blue-500 rounded-full"
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style={{ width: `${s.progress * 100}%` }}
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/>
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</div>
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</div>
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</td>
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<td className="p-6 align-middle">
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{s.average_score !== null ? (
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<span className={`font-black ${(s.average_score || 0) >= 0.8 ? 'text-green-400' : (s.average_score || 0) >= 0.6 ? 'text-yellow-400' : 'text-red-400'}`}>
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{((s.average_score || 0) * 100).toFixed(0)}%
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</span>
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) : (
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<span className="text-gray-600 text-xs italic">No grades</span>
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)}
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</td>
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<td className="p-6 align-middle">
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<div className="text-sm text-gray-400 flex items-center gap-2">
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<Clock size={14} />
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{s.last_active_at ? new Date(s.last_active_at).toLocaleDateString() : 'Never'}
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</div>
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</td>
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<td className="p-6 text-right align-middle">
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{s.progress >= 1 ? (
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<span className="inline-flex items-center gap-1.5 px-3 py-1 rounded-full text-[10px] font-black uppercase tracking-widest bg-green-500/10 text-green-400 border border-green-500/20">
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<CheckCircle size={12} /> Completed
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</span>
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) : s.last_active_at && (Date.now() - new Date(s.last_active_at).getTime() > 7 * 24 * 60 * 60 * 1000) ? (
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<span className="inline-flex items-center gap-1.5 px-3 py-1 rounded-full text-[10px] font-black uppercase tracking-widest bg-red-500/10 text-red-400 border border-red-500/20">
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<AlertCircle size={12} /> Inactive
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</span>
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) : (
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<span className="inline-flex items-center gap-1.5 px-3 py-1 rounded-full text-[10px] font-black uppercase tracking-widest bg-blue-500/10 text-blue-400 border border-blue-500/20">
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<GraduationCap size={12} /> Active
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</span>
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)}
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</td>
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</tr>
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))}
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</tbody>
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</table>
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</div>
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</div>
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</CourseEditorLayout>
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</div>
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</div>
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);
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}
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