templates/create_db.html

{% extends 'base.html' %}

{% block content %}
<style>
    /* Ensure the body takes full height for proper layout */
    html, body {
        height: 100%;
        margin: 0;
    }

    .container {
        display: flex;
        flex-direction: column;
        height: 50vh; /* Full height of the viewport */
        overflow: hidden; /* Prevent extra scrollbars */
    }

    .card {
        margin: auto;
        background-color: #2c2c3e;
        color: #f5f5f5;
        border: none;
        width: 50%; /* Centered and appropriately sized */
        max-height: calc(50vh - 50px); /* Adjust to fit within view */
        overflow-y: auto; /* Add scrolling if content overflows */
    }

    .card-header {
        background-color: #181831;
        border-bottom: 2px solid #444;
        padding: 1rem;
        text-align: center;
        position: sticky; /* Keeps header fixed */
        top: 0;
        z-index: 1000; /* Ensures it stays above scrollable content */
    }

    .text-muted {
        --bs-text-opacity: 1;
        color: rgb(121 136 151 / 75%) !important;
    }

    .form-label {
        font-weight: bold;
        color: #cfcfcf;
    }

    .form-control {
        background-color: #1e1e2f;
        color: #f5f5f5;
        border: 1px solid #444;
    }

    .form-control:focus {
        background-color: #1e1e2f;
        color: #f5f5f5;
        border-color: #4c4cff;
        box-shadow: 0 0 4px #4c4cff;
    }

    .btn-primary {
        background-color: #4c4cff;
        border-color: #4c4cff;
        display: flex;
        justify-content: center;
        align-items: center;
        position: relative;
    }

    .btn-primary:hover {
        background-color: #3838e8;
        border-color: #3838e8;
    }

    /* Loader on the button */
    .button-spinner {
        display: none; /* Hidden by default */
        width: 20px;
        height: 20px;
        border: 3px solid #f3f3f3;
        border-top: 3px solid #ffffff;
        border-radius: 50%;
        animation: spin 1s linear infinite;
        margin-left: 10px; /* Space between button text and loader */
    }

    .btn-loading .button-spinner {
        display: inline-block; /* Show spinner when loading */
    }

    @keyframes spin {
        0% {
            transform: rotate(0deg);
        }
        100% {
            transform: rotate(360deg);
        }
    }

    .btn-loading .btn-text {
        opacity: 0.5; /* Dim button text when loading */
    }
</style>

<div class="container mt-5">
    <div class="card shadow">
        <div class="card-header">
            <h3>Create a New Vector Database</h3>
        </div>
        <div class="card-body">
            <form id="db-form" method="post" enctype="multipart/form-data">
                <!-- Database Name Input -->
                <div class="form-group">
                    <label for="db_name" class="form-label">Database Name</label>
                    <input type="text" id="db_name" name="db_name" class="form-control" placeholder="Enter database name" required>
                </div>
            
                <!-- Folder Upload Input -->
                <div class="form-group mt-3">
                    <label for="folder" class="form-label">Upload Folder</label>
                    <input type="file" id="folder" name="folder" class="form-control" webkitdirectory directory multiple required>
                    <small class="text-muted">Note: You can upload folder having your documents.</small>
                </div>
            
                <!-- Submit Button -->
                <div class="mt-4 text-center">
                    <button type="submit" class="btn btn-primary px-5">
                        <span class="btn-text">Create</span>
                        <div class="button-spinner"></div>
                    </button>
                </div>
            </form>
        </div>
    </div>
</div>

<script>
    // Show loader on button click
    const form = document.getElementById('db-form');
    const submitButton = document.querySelector('.btn-primary');

    form.addEventListener('submit', function (event) {
        submitButton.classList.add('btn-loading'); // Add loading class
        submitButton.disabled = true; // Disable button to prevent multiple clicks
    });
</script>

{% endblock %}