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{% extends "base.html" %}
{% block title %}Xem Database - Student Feedback Analysis{% endblock %}
{% block page_title %}Quản Lý Database{% endblock %}
{% block footer %}{% endblock %}
{% block extra_head %}
<script src="https://cdn.jsdelivr.net/npm/chart.js"></script>
<style>
/* Use global styles - remove custom database styling */
.table thead th { color: #374151; }
.table tbody td { color: #374151; }
</style>
{% endblock %}
{% block content %}
<!-- Thống kê tổng quan -->
<div class="row mb-4">
<div class="col-md-6">
<div class="card text-center">
<div class="card-body">
<i class="fas fa-users fa-3x mb-3" style="color: #3B82F6 !important;"></i>
<h3 class="card-title">{{ total_users }}</h3>
<p class="card-text">Tổng số người dùng</p>
</div>
</div>
</div>
<div class="col-md-6">
<div class="card text-center">
<div class="card-body">
<i class="fas fa-comments fa-3x mb-3" style="color: #10B981 !important;"></i>
<h3 class="card-title">{{ total_feedbacks }}</h3>
<p class="card-text">Tổng số feedback</p>
</div>
</div>
</div>
</div>
<!-- Biểu đồ thống kê -->
<div class="row mb-4">
<div class="col-md-6">
<div class="card">
<div class="card-header">
<h5 class="mb-0"><i class="fas fa-chart-pie me-2" style="color: #F59E0B !important;"></i>Phân bố Sentiment</h5>
</div>
<div class="card-body">
<canvas id="sentimentChart" width="400" height="200"></canvas>
</div>
</div>
</div>
<div class="col-md-6">
<div class="card">
<div class="card-header">
<h5 class="mb-0"><i class="fas fa-chart-bar me-2" style="color: #F3F4F6 !important;"></i>Phân bố Topic</h5>
</div>
<div class="card-body">
<canvas id="topicChart" width="400" height="200"></canvas>
</div>
</div>
</div>
</div>
<!-- Feedback gần nhất -->
<div class="card mb-4">
<div class="card-header">
<h5 class="mb-0"><i class="fas fa-history me-2" style="color: #EF4444 !important;"></i>Feedback Gần Nhất</h5>
</div>
<div class="card-body">
{% if recent_feedbacks %}
<div class="table-responsive">
<table class="table table-striped">
<thead>
<tr>
<th>ID</th>
<th>User</th>
<th>Feedback</th>
<th>Sentiment</th>
<th>Topic</th>
<th>Thời gian</th>
</tr>
</thead>
<tbody>
{% for feedback in recent_feedbacks %}
<tr>
<td>{{ feedback.id }}</td>
<td>{{ feedback.user.username }}</td>
<td>
<div style="max-width: 300px; overflow: hidden; text-overflow: ellipsis;">
{{ feedback.text }}
</div>
</td>
<td>
<span class="badge bg-{{ 'success' if feedback.sentiment == 'positive' else 'warning' if feedback.sentiment == 'neutral' else 'danger' }}">
{{ feedback.sentiment }}
</span>
</td>
<td>
<span class="badge bg-secondary">{{ feedback.topic }}</span>
</td>
<td>{{ utc_to_vietnam_time(feedback.created_at).strftime('%d/%m/%Y %H:%M') }}</td>
</tr>
{% endfor %}
</tbody>
</table>
</div>
{% else %}
<p class="text-muted text-center">Chưa có feedback nào.</p>
{% endif %}
</div>
</div>
<!-- Thống kê chi tiết -->
<div class="row">
<div class="col-md-6">
<div class="card">
<div class="card-header">
<h5 class="mb-0"><i class="fas fa-chart-line me-2" style="color: #06B6D4 !important;"></i>Feedback theo ngày (7 ngày gần nhất)</h5>
</div>
<div class="card-body">
<canvas id="dailyChart" width="400" height="200"></canvas>
</div>
</div>
</div>
<div class="col-md-6">
<div class="card">
<div class="card-header">
<h5 class="mb-0"><i class="fas fa-info-circle me-2" style="color: #84CC16 !important;"></i>Thông tin Database</h5>
</div>
<div class="card-body">
<ul class="list-group list-group-flush">
<li class="list-group-item d-flex justify-content-between">
<span>Loại database:</span>
<span class="badge bg-primary">SQLite</span>
</li>
<li class="list-group-item d-flex justify-content-between">
<span>Bảng chính:</span>
<span>users, feedbacks</span>
</li>
<li class="list-group-item d-flex justify-content-between">
<span>Trạng thái:</span>
<span class="badge bg-success">Hoạt động</span>
</li>
</ul>
</div>
</div>
</div>
</div>
</div>
<!-- Hidden data elements -->
<div id="sentiment-data" style="display: none;">{{ sentiment_stats | tojson | safe }}</div>
<div id="topic-data" style="display: none;">{{ topic_stats | tojson | safe }}</div>
<div id="daily-data" style="display: none;">{{ daily_stats | tojson | safe }}</div>
{% endblock %}
{% block extra_scripts %}
<script>
// Initialize charts when page loads
document.addEventListener('DOMContentLoaded', function() {
// Get data from hidden elements
const sentimentData = JSON.parse(document.getElementById('sentiment-data').textContent);
const topicData = JSON.parse(document.getElementById('topic-data').textContent);
const dailyData = JSON.parse(document.getElementById('daily-data').textContent);
// Sentiment Chart
const sentimentLabels = sentimentData.map(item => item.sentiment);
const sentimentCounts = sentimentData.map(item => item.count);
new Chart(document.getElementById('sentimentChart'), {
type: 'doughnut',
data: {
labels: sentimentLabels,
datasets: [{
data: sentimentCounts,
backgroundColor: ['#28a745', '#ffc107', '#dc3545']
}]
},
options: {
responsive: true,
maintainAspectRatio: false,
plugins: {
legend: {
position: 'bottom',
labels: {
generateLabels: function(chart) {
const data = chart.data;
if (data.labels.length && data.datasets.length) {
const dataset = data.datasets[0];
const total = dataset.data.reduce((a, b) => a + b, 0);
return data.labels.map((label, i) => {
const value = dataset.data[i];
const percentage = ((value / total) * 100).toFixed(1);
return {
text: `${label}: ${value} (${percentage}%)`,
fillStyle: dataset.backgroundColor[i],
strokeStyle: dataset.backgroundColor[i],
lineWidth: 1,
hidden: false,
index: i
};
});
}
return [];
}
}
}
}
}
});
// Topic Chart
const topicLabels = topicData.map(item => item.topic);
const topicCounts = topicData.map(item => item.count);
new Chart(document.getElementById('topicChart'), {
type: 'bar',
data: {
labels: topicLabels,
datasets: [{
data: topicCounts,
backgroundColor: ['#3B82F6', '#10B981', '#F59E0B', '#EF4444', '#8B5CF6']
}]
},
options: {
responsive: true,
maintainAspectRatio: false,
scales: { y: { beginAtZero: true } },
plugins: {
legend: {
display: false
}
}
}
});
// Daily Chart
const dailyLabels = dailyData.map(item => item.date);
const dailyCounts = dailyData.map(item => item.count);
new Chart(document.getElementById('dailyChart'), {
type: 'line',
data: {
labels: dailyLabels,
datasets: [{
label: 'Feedback/ngày',
data: dailyCounts,
borderColor: '#28a745',
backgroundColor: 'rgba(40, 167, 69, 0.1)',
tension: 0.4
}]
},
options: {
responsive: true,
maintainAspectRatio: false,
scales: { y: { beginAtZero: true } }
}
});
});
</script>
{% endblock %}
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