rss/templates/noticias.html

{% extends "base.html" %}
{% block title %}Últimas Noticias RSS{% endblock %}

{% block content %}
<div class="card">
    <h2><i class="fas fa-filter" style="color: var(--secondary-color); margin-right: 10px;"></i>Filtrar Noticias</h2>

    <form method="get" action="{{ url_for('home') }}" id="filter-form">
        <input type="hidden" name="page" id="page" value="{{ page or 1 }}">
        <input type="hidden" name="per_page" id="per_page" value="{{ per_page or 20 }}">
        <input type="hidden" name="lang" id="lang" value="{{ (lang or 'es') }}">
        {% if not use_tr %}
          <input type="hidden" name="orig" id="orig" value="1">
        {% else %}
          <input type="hidden" name="orig" id="orig" value="">
        {% endif %}

        <div class="filter-main-row">
            <div class="filter-search-box">
                <label for="q">Buscar por palabra clave</label>
                <input type="search" name="q" id="q" placeholder="Ej: Trump, California, IA..." value="{{ q or '' }}">
            </div>

            <div class="filter-actions">
                <button type="submit" class="btn"><i class="fas fa-search"></i> Filtrar</button>
                <a href="{{ url_for('home') }}" class="btn btn-secondary"><i class="fas fa-eraser"></i> Limpiar</a>
            </div>
        </div>

        <div style="display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 15px; align-items: flex-end; border-top: 1px solid var(--border-color); padding-top: 20px;">
            <div>
                <label for="categoria_id">Categoría</label>
                <select name="categoria_id" id="categoria_id">
                    <option value="">— Todas —</option>
                    {% for cat in categorias %}
                        <option value="{{ cat.id }}" {% if cat_id == cat.id %}selected{% endif %}>{{ cat.nombre }}</option>
                    {% endfor %}
                </select>
            </div>
            <div>
                <label for="continente_id">Continente</label>
                <select name="continente_id" id="continente_id">
                    <option value="">— Todos —</option>
                    {% for cont in continentes %}
                        <option value="{{ cont.id }}" {% if cont_id == cont.id %}selected{% endif %}>{{ cont.nombre }}</option>
                    {% endfor %}
                </select>
            </div>
            <div>
                <label for="pais_id">País</label>
                <select name="pais_id" id="pais_id">
                    <option value="">— Todos —</option>
                    {% for pais in paises %}
                        <option value="{{ pais.id }}" data-continente-id="{{ pais.continente_id }}" {% if pais_id == pais.id %}selected{% endif %}>
                            {{ pais.nombre }}
                        </option>
                    {% endfor %}
                </select>
            </div>
            <div>
                <label for="fecha">Fecha</label>
                <input type="date" name="fecha" id="fecha" value="{{ fecha_filtro or '' }}">
            </div>
        </div>
    </form>
</div>

<div class="card" style="margin-top: 16px; padding: 12px;">
  {% if use_tr %}
    <div class="alert alert-info" style="margin:0;">
      Mostrando <strong>traducciones</strong> a <strong>{{ (lang or 'es')|upper }}</strong>.
      <a href="#" id="toggle-orig" class="ms-2">Ver originales</a>
    </div>
  {% else %}
    <div class="alert alert-secondary" style="margin:0;">
      Mostrando <strong>texto original</strong>.
      <a href="#" id="toggle-tr" class="ms-2">Usar traducciones</a>
    </div>
  {% endif %}
</div>

<div id="noticias-container" style="margin-top:16px;">
    {% include '_noticias_list.html' %}
</div>

<script>
document.addEventListener('DOMContentLoaded', function() {
    const form = document.getElementById('filter-form');
    const continenteSelect = document.getElementById('continente_id');
    const paisSelect = document.getElementById('pais_id');
    const pageInput = document.getElementById('page');
    const origInput = document.getElementById('orig');
    const langInput = document.getElementById('lang');

    function filtrarPaises() {
        const continenteId = continenteSelect.value;
        for (let i = 1; i < paisSelect.options.length; i++) {
            const option = paisSelect.options[i];
            const paisContinenteId = option.getAttribute('data-continente-id');
            option.style.display = (!continenteId || paisContinenteId === continenteId) ? '' : 'none';
        }
        const opcionSeleccionada = paisSelect.options[paisSelect.selectedIndex];
        if (opcionSeleccionada && opcionSeleccionada.style.display === 'none') {
            paisSelect.value = '';
        }
    }

    async function cargarNoticias(keepPage) {
        if (!keepPage) pageInput.value = 1;

        const formData = new FormData(form);
        const params = new URLSearchParams(formData);
        const newUrl = `${form.action}?${params.toString()}`;

        const container = document.getElementById('noticias-container');
        container.style.opacity = '0.5';
        container.innerHTML = '<div style="text-align:center; padding: 40px;"><i class="fas fa-spinner fa-spin fa-2x"></i></div>';

        try {
            const response = await fetch(newUrl, { headers: { 'X-Requested-With': 'XMLHttpRequest' } });
            const html = await response.text();
            container.innerHTML = html;
            window.history.pushState({path: newUrl}, '', newUrl);
        } catch (error) {
            console.error('Error al filtrar noticias:', error);
            container.innerHTML = '<p style="color:var(--error-color); text-align:center;">Error al cargar las noticias.</p>';
        } finally {
            container.style.opacity = '1';
        }
    }

    form.addEventListener('submit', function(e) {
        e.preventDefault();
        cargarNoticias(false);
    });

    const toggleOrig = document.getElementById('toggle-orig');
    const toggleTr = document.getElementById('toggle-tr');

    if (toggleOrig) {
        toggleOrig.addEventListener('click', function(e) {
            e.preventDefault();
            origInput.value = '1';
            cargarNoticias(false);
        });
    }
    if (toggleTr) {
        toggleTr.addEventListener('click', function(e) {
            e.preventDefault();
            origInput.value = '';
            if (!langInput.value) langInput.value = 'es';
            cargarNoticias(false);
        });
    }

    continenteSelect.addEventListener('change', function() {
        filtrarPaises();
        cargarNoticias(false);
    });

    filtrarPaises();
});
</script>
{% endblock %}