37970-vm/admin.php

<?php
require_once __DIR__ . '/db/config.php';
session_start();

// Auth Check
if (!isset($_SESSION['user_id']) || $_SESSION['role'] !== 'Admin') {
    header('Location: login.php');
    exit;
}

$db = db();
$school_id = $_SESSION['school_id'];
$pageTitle = 'Admin Dashboard | SOMS';

// Fetch Some Stats for this school
$total_learners_stmt = $db->prepare("SELECT COUNT(*) FROM learners WHERE school_id = ?");
$total_learners_stmt->execute([$school_id]);
$total_learners = $total_learners_stmt->fetchColumn();

// Attendance for today
$today = date('Y-m-d');
$present_today = $db->prepare("SELECT COUNT(*) FROM attendance WHERE date = ? AND status = 'present' AND school_id = ?");
$present_today->execute([$today, $school_id]);
$present_today_count = $present_today->fetchColumn();

$presence_rate = $total_learners > 0 ? round(($present_today_count / $total_learners) * 100) : 0;

// Analytics: Attendance by Grade
$grade_stats = $db->prepare("
    SELECT l.grade, 
           COUNT(l.id) as total,
           SUM(CASE WHEN a.status = 'present' THEN 1 ELSE 0 END) as present
    FROM learners l
    LEFT JOIN attendance a ON l.id = a.learner_id AND a.date = :today
    WHERE l.school_id = :school_id
    GROUP BY l.grade
    ORDER BY l.grade
");
$grade_stats->execute(['today' => $today, 'school_id' => $school_id]);
$grade_stats = $grade_stats->fetchAll();

include 'includes/header.php';
?>

<div class="container pb-5">
    <div class="row mb-4">
        <div class="col-12">
            <h2 class="h4 mb-1">School Admin Dashboard</h2>
            <p class="text-muted small">Overview of operations for <strong>School ID: <?= $school_id ?></strong></p>
        </div>
    </div>

    <!-- Stats Row -->
    <div class="row g-3 mb-4">
        <div class="col-md-3">
            <div class="card p-3 stats-card shadow-sm">
                <p class="text-muted mb-1">Total Learners</p>
                <h3 class="mb-0"><?= $total_learners ?></h3>
            </div>
        </div>
        <div class="col-md-3">
            <div class="card p-3 stats-card shadow-sm" style="border-left: 4px solid #2E7D32;">
                <p class="text-muted mb-1">Today's Presence</p>
                <h3 class="mb-0"><?= $presence_rate ?>%</h3>
            </div>
        </div>
        <div class="col-md-3">
            <div class="card p-3 stats-card shadow-sm" style="border-left: 4px solid var(--secondary-color);">
                <p class="text-muted mb-1">Total Staff</p>
                <h3 class="mb-0">...</h3>
            </div>
        </div>
        <div class="col-md-3">
            <div class="card p-3 stats-card shadow-sm" style="border-left: 4px solid #0288D1;">
                <p class="text-muted mb-1">Pending Tasks</p>
                <h3 class="mb-0">3</h3>
            </div>
        </div>
    </div>

    <div class="row g-4">
        <div class="col-md-8">
            <div class="card mb-4 shadow-sm border-0">
                <div class="card-header bg-white py-3">
                    <h5 class="mb-0 fw-bold">Attendance Analytics by Grade (Today)</h5>
                </div>
                <div class="card-body">
                    <?php if (empty($grade_stats)): ?>
                    <p class="text-center text-muted">No attendance data recorded today.</p>
                    <?php endif; ?>
                    <?php foreach ($grade_stats as $stat): ?>
                    <?php 
                    $rate = $stat['total'] > 0 ? round(($stat['present'] / $stat['total']) * 100) : 0;
                    $bar_color = $rate > 80 ? 'bg-success' : ($rate > 50 ? 'bg-warning' : 'bg-danger');
                    ?>
                    <div class="mb-3">
                        <div class="d-flex justify-content-between mb-1">
                            <span class="small fw-semibold">Grade <?= htmlspecialchars($stat['grade']) ?></span>
                            <span class="small text-muted"><?= $rate ?>% (<?= (int)$stat['present'] ?>/<?= $stat['total'] ?>)</span>
                        </div>
                        <div class="progress" style="height: 8px;">
                            <div class="progress-bar <?= $bar_color ?>" role="progressbar" style="width: <?= $rate ?>%"></div>
                        </div>
                    </div>
                    <?php endforeach; ?>
                </div>
            </div>

            <div class="card shadow-sm border-0">
                <div class="card-header bg-white py-3">
                    <h5 class="mb-0 fw-bold">Recent Activity</h5>
                </div>
                <div class="card-body">
                    <ul class="list-group list-group-flush">
                        <li class="list-group-item px-0">
                            <div class="d-flex justify-content-between">
                                <div>
                                    <h6 class="mb-0 small fw-bold">System Online</h6>
                                    <small class="text-muted">School instance successfully initialized.</small>
                                </div>
                                <span class="text-muted small">Just now</span>
                            </div>
                        </li>
                    </ul>
                </div>
            </div>
        </div>
        <div class="col-md-4">
            <div class="card shadow-sm border-0 mb-4">
                <div class="card-header bg-white py-3">
                    <h5 class="mb-0 fw-bold">Quick Actions</h5>
                </div>
                <div class="card-body">
                    <div class="d-grid gap-2">
                        <a href="learners.php" class="btn btn-outline-primary text-start">
                            <i class="bi bi-person-plus me-2"></i> Manage Learners
                        </a>
                        <a href="bulk-upload.php" class="btn btn-outline-primary text-start">
                            <i class="bi bi-upload me-2"></i> Bulk Upload Learners
                        </a>
                        <a href="events.php" class="btn btn-outline-primary text-start">
                            <i class="bi bi-calendar-event me-2"></i> Schedule School Event
                        </a>
                        <a href="reports.php" class="btn btn-outline-primary text-start">
                            <i class="bi bi-file-earmark-bar-graph me-2"></i> Academic Reports
                        </a>
                        <a href="notifications.php" class="btn btn-outline-primary text-start">
                            <i class="bi bi-megaphone me-2"></i> Performance Notifications
                        </a>
                    </div>
                </div>
            </div>
        </div>
    </div>
</div>

<?php include 'includes/footer.php'; ?>