// =====================================================================
// WebGIS Moderation Portal — Application Logic
// Initializes Map Preview, loads Contributions from the API,
// handles CRUD Workflow, sorting and filtering for Contributions,
// Comments and News, and manages all UI Interactions
//
// Depends on: ADMIN_CONFIG Object set in Moderation Page
// =====================================================================
// =====================================================================
// Block 0: Configuration and Application State
// =====================================================================
// API Endpoint as relative Path
const API_URL = 'api/contributions.php';
// =====================================================================
// Block 1: Page Tab Navigation
// =====================================================================
// Restores active Tab after Page Reload
const savedTab = sessionStorage.getItem('admin_active_tab');
if (savedTab) {
// Delays to ensure DOM is ready
setTimeout(function () {
const tabBtn = document.querySelector('.page-tab[onclick*="' + savedTab + '"]');
if (tabBtn) tabBtn.click();
}, 100);
}
// Page Tab Navigation
function showPageTab(tabName) {
// Saves active Tab for Persistence after Reload
sessionStorage.setItem('admin_active_tab', tabName);
document.querySelectorAll('.page-tab-content').forEach(function (el) {
el.style.display = 'none';
});
// Deactivates all Tab Buttons
document.querySelectorAll('.page-tab').forEach(function (el) {
el.classList.remove('active');
});
// Shows selected Tab and activates Button
document.getElementById('tab-' + tabName).style.display = 'block';
event.currentTarget.classList.add('active');
}
// =====================================================================
// Block 2: Collapsible Rows for Contributions and Comments
// =====================================================================
function toggleRow(row) {
const wasOpen = row.classList.contains('open');
// Closes all open Rows
document.querySelectorAll('.contribution-row.open').forEach(function (el) {
el.classList.remove('open');
});
// Toggles clicked Row
if (!wasOpen) {
row.classList.add('open');
// Loads Map Preview if not already loaded
const mapDiv = row.querySelector('.detail-map');
if (mapDiv && !mapDiv.dataset.loaded) {
loadMapPreview(mapDiv);
}
}
}
// =====================================================================
// Block 3: Details Slider for Maps and Photos
// =====================================================================
function slideDetail(contributionId, direction) {
const slider = document.getElementById('slider-' + contributionId);
if (!slider) return;
const slides = slider.querySelectorAll('.detail-slide');
let activeIndex = -1;
// Finds active Slide
slides.forEach(function (slide, i) {
if (slide.style.display !== 'none') activeIndex = i;
});
// Calculates next Slide Index
const nextIndex = (activeIndex + direction + slides.length) % slides.length;
// Switches Slides
slides.forEach(function (slide) { slide.style.display = 'none'; });
slides[nextIndex].style.display = 'block';
// Loads Map if switching to Map Slide
if (slides[nextIndex].dataset.slide === 'map') {
const mapDiv = slides[nextIndex].querySelector('.detail-map');
if (mapDiv && !mapDiv.dataset.loaded) {
loadMapPreview(mapDiv);
}
}
}
// =====================================================================
// Block 4: Map Preview (Leaflet Mini Map per Contribution)
// =====================================================================
// Erstellt eine Leaflet-Mini-Map in einem Beitrags-Detail-Container.
// Lädt alle Beiträge via API und zeigt die Geometrie des entsprechenden Beitrags.
// Markiert die Map als geladen (data-loaded="true"), um doppeltes Laden zu verhindern.
function loadMapPreview(mapDiv) {
const contributionId = mapDiv.dataset.contributionId;
// Fetches all Contributions to find the Geometry
const formData = new FormData();
formData.append('action', 'read');
formData.append('municipality_id', ADMIN_CONFIG.id);
formData.append('status', 'all');
fetch(API_URL, { method: 'POST', body: formData })
.then(function (r) { return r.json(); })
.then(function (data) {
if (!data.features) return;
// Finds specific Contribution
const feature = data.features.find(function (f) {
return f.properties.contribution_id == contributionId;
});
if (!feature) {
mapDiv.innerHTML = 'Geometrie nicht gefunden.
';
return;
}
// Creates Leaflet Mini Map
const miniMap = L.map(mapDiv, {
zoomControl: false,
attributionControl: false,
dragging: true,
scrollWheelZoom: false
});
L.tileLayer('https://{s}.basemaps.cartocdn.com/light_all/{z}/{x}/{y}{r}.png', {
maxZoom: 20
}).addTo(miniMap);
// Adds Geometry to Mini Map
const geojsonLayer = L.geoJSON(feature, {
style: {
color: ADMIN_CONFIG.primaryColor,
weight: 3,
fillOpacity: 0.2
},
pointToLayer: function (f, latlng) {
return L.circleMarker(latlng, {
radius: 8,
color: '#ffffff',
weight: 2,
fillColor: ADMIN_CONFIG.primaryColor,
fillOpacity: 0.9
});
}
}).addTo(miniMap);
// Fits Map to Geometry Bounds
const bounds = geojsonLayer.getBounds();
if (bounds.isValid()) {
miniMap.fitBounds(bounds, { padding: [25, 25], maxZoom: 17 });
} else {
miniMap.setView(ADMIN_CONFIG.center, 15);
}
mapDiv.dataset.loaded = 'true';
})
.catch(function () {
mapDiv.innerHTML = 'Karte nicht verfügbar.
';
});
}
// =====================================================================
// Block 5: Contributions Filter and Sorting
// =====================================================================
// Filters Contributions
let currentFilter = 'all';
function filterByStatus(status, tabButton) {
currentFilter = status;
// Updates active Tab
document.querySelectorAll('.filter-tab').forEach(function (el) {
el.classList.remove('active');
});
tabButton.classList.add('active');
// Shows or Hides Contribution Rows
let visibleCount = 0;
document.querySelectorAll('#contributions-container .contribution-row').forEach(function (row) {
if (status === 'all' || row.dataset.status === status) {
row.style.display = '';
visibleCount++;
} else {
row.style.display = 'none';
}
});
// Updates Count Display
document.getElementById('visible-count').textContent = visibleCount + ' Beiträge';
}
// Sorts Contributions
function sortContributions(sortBy) {
const container = document.getElementById('contributions-container');
const rows = Array.from(container.querySelectorAll('.contribution-row'));
rows.sort(function (a, b) {
if (sortBy === 'date-desc') return new Date(b.dataset.date) - new Date(a.dataset.date);
if (sortBy === 'date-asc') return new Date(a.dataset.date) - new Date(b.dataset.date);
if (sortBy === 'category') return a.dataset.category.localeCompare(b.dataset.category);
return 0;
});
// Reappends sorted Rows
rows.forEach(function (row) { container.appendChild(row); });
}
// =====================================================================
// Block 6: Comments Filter and Sorting
// =====================================================================
// Filters Comments
function filterCommentsByStatus(status, tabButton) {
// Updates active Tab
document.querySelectorAll('#comment-filter-tabs .filter-tab').forEach(function (el) {
el.classList.remove('active');
});
tabButton.classList.add('active');
// Shows or Hides Comments Rows
let visibleCount = 0;
document.querySelectorAll('.comment-mod-row').forEach(function (row) {
if (status === 'all' || row.dataset.status === status) {
row.style.display = '';
visibleCount++;
} else {
row.style.display = 'none';
}
});
// Updates Count Display
document.getElementById('comment-visible-count').textContent = visibleCount + ' Kommentare';
}
// Sorts Comments
function sortCommentRows(sortBy) {
const container = document.getElementById('comments-mod-container');
const rows = Array.from(container.querySelectorAll('.comment-mod-row'));
rows.sort(function (a, b) {
if (sortBy === 'date-desc') return new Date(b.dataset.date) - new Date(a.dataset.date);
if (sortBy === 'date-asc') return new Date(a.dataset.date) - new Date(b.dataset.date);
if (sortBy === 'contribution') return a.dataset.contribution.localeCompare(b.dataset.contribution);
return 0;
});
// Reappends sorted Rows
rows.forEach(function (row) { container.appendChild(row); });
}
// =====================================================================
// Block 7: Helper Functions
// =====================================================================
// Sends a POST request to API
// promise-based instead of callback-based
function apiCall(data) {
const formData = new FormData();
for (const key in data) {
formData.append(key, data[key]);
}
return fetch(API_URL, { method: 'POST', body: formData })
.then(function (r) { return r.json(); });
}
// Escapes HTML to prevent Cross-Site Scripting (XSS) in Popups and Lists
function escapeHtml(text) {
if (!text) return '';
const div = document.createElement('div');
div.appendChild(document.createTextNode(text));
return div.innerHTML;
}
// =====================================================================
// Block 8: CRUD Operations for Contributions
// =====================================================================
// STATUS: Changes Contribution Status
function changeStatus(contributionId, newStatus) {
const labels = { approved: 'freigeben', rejected: 'ablehnen', pending: 'zurücksetzen' };
Swal.fire({
title: 'Beitrag ' + labels[newStatus] + '?',
showCancelButton: true,
confirmButtonText: 'Ja',
cancelButtonText: 'Abbrechen',
confirmButtonColor: ADMIN_CONFIG.primaryColor
}).then(function (result) {
if (!result.isConfirmed) return;
apiCall({
action: 'update',
contribution_id: contributionId,
status: newStatus
}).then(function (response) {
if (response.error) {
Swal.fire('Fehler', response.error, 'error');
return;
}
// Reloads Page to reflect Changes
location.reload();
});
});
}
// UPDATE: Edits existing Contributions
function editContribution(contributionId, currentTitle, currentDescription) {
Swal.fire({
title: 'Beitrag bearbeiten',
html:
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showCancelButton: true,
confirmButtonText: 'Speichern',
cancelButtonText: 'Abbrechen',
confirmButtonColor: ADMIN_CONFIG.primaryColor,
preConfirm: function () {
return { content: document.getElementById('swal-comment-content').value.trim() };
}
}).then(function (result) {
if (!result.isConfirmed) return;
apiCall({
action: 'update_comment',
comment_id: commentId,
content: result.value.content
}).then(function (response) {
if (response.error) {
Swal.fire('Fehler', response.error, 'error');
return;
}
Swal.fire('Gespeichert!', 'Kommentar wurde aktualisiert.', 'success')
.then(function () { location.reload(); });
});
});
}
// DELETE: Deletes existing Comments
function deleteModComment(commentId) {
Swal.fire({
title: 'Kommentar löschen?',
text: 'Diese Aktion kann nicht rückgängig gemacht werden.',
icon: 'warning',
showCancelButton: true,
confirmButtonText: 'Löschen',
cancelButtonText: 'Abbrechen',
confirmButtonColor: '#c62828'
}).then(function (result) {
if (!result.isConfirmed) return;
apiCall({
action: 'delete_comment',
comment_id: commentId
}).then(function (response) {
if (response.error) {
Swal.fire('Fehler', response.error, 'error');
return;
}
Swal.fire('Gelöscht!', 'Kommentar wurde entfernt.', 'success')
.then(function () { location.reload(); });
});
});
}
// =====================================================================
// Block 10: CRUD Operations for News
// =====================================================================
// CREATE: Submits new News Article
function createNews() {
Swal.fire({
title: 'Neuigkeit hinzufügen',
html:
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