Add subscription pricing and Base drawing limit

wwwroot/js/lme-map.js

@@ -96,7 +96,9 @@ const lmeState = {
     culture: "it-IT",
     measurementSystem: "metric",
     entitlements: {
-        advancedGeometry: false
+        advancedGeometry: false,
+        maxDrawingObjects: 15,
+        drawingLimitMessage: "Hai raggiunto il limite di 15 oggetti del piano Base."
     },
     labels: {
         measureArea: "Misura area",
@@ -213,6 +215,20 @@ function requireProFeature(feature) {
     return false;
 }
 
+function drawingObjectCount() {
+    return lmeState.drawings ? managedRecordsForCategory("drawings").length : 0;
+}
+
+function canAddDrawingObjects(amount = 1) {
+    const configuredMaximum = lmeState.entitlements?.maxDrawingObjects;
+    if (configuredMaximum === null || configuredMaximum === undefined || configuredMaximum === "") return true;
+    const maximum = Number(configuredMaximum);
+    if (!Number.isFinite(maximum) || maximum < 0) return true;
+    if (drawingObjectCount() + Math.max(0, Number(amount) || 0) <= maximum) return true;
+    setInfo(lmeState.entitlements?.drawingLimitMessage || `Limite di ${maximum} oggetti raggiunto.`);
+    return false;
+}
+
 function init(dotNetReference) {
     if (dotNetReference) {
         lmeState.dotNetReference = dotNetReference;
@@ -1775,6 +1791,10 @@ function moveManagedRecordsToGroup(records, targetCategory, targetSource, target
         setInfo("Sblocca il gruppo prima di spostarlo.");
         return;
     }
+    const additionalDrawings = targetCategory === "drawings"
+        ? movable.filter(record => record.categoryKey !== "drawings").length
+        : 0;
+    if (!canAddDrawingObjects(additionalDrawings)) return;
     rememberMapChange();
     const features = movable.map(record => {
         const feature = record.layer.toGeoJSON();
@@ -2684,6 +2704,7 @@ function storedFeatureStyle(feature) {
 function duplicateManagedRecords(records) {
     if (lmeState.readOnly) { setInfo("Il progetto e' in sola lettura."); return; }
     if (records.some(record => record.layer?.feature?.properties?._lmeLocked)) { setInfo("Sblocca gli oggetti da duplicare."); return; }
+    if (!canAddDrawingObjects(records.length)) return;
     rememberMapChange();
     records.forEach((record, index) => {
         const feature = record.layer.toGeoJSON();
@@ -3036,6 +3057,11 @@ function restoreLastTrashItem() {
     if (lmeState.readOnly) { setInfo("Il progetto e' in sola lettura."); return false; }
     const entry = lmeState.trash.pop();
     if (!entry) { setInfo("Il cestino e' vuoto."); return false; }
+    const drawingsToRestore = entry.items.filter(item => !["imported", "importedSheets"].includes(item.categoryKey)).length;
+    if (!canAddDrawingObjects(drawingsToRestore)) {
+        lmeState.trash.push(entry);
+        return false;
+    }
     rememberMapChange();
     entry.items.forEach(item => {
         if (item.categoryKey === "imported") addImportedFeatures({ type: "FeatureCollection", features: [item.feature] });
@@ -3825,6 +3851,7 @@ function clearImported() {
 }
 
 function addProjectMarker(name) {
+    if (!canAddDrawingObjects()) return false;
     rememberMapChange();
     const center = lmeState.map.getCenter();
     const label = (name || "Nuovo POI").trim();
@@ -3840,6 +3867,7 @@ function addProjectMarker(name) {
     refreshLayerManager();
     selectDrawingLayer(marker);
     finishMapChange();
+    return true;
 }
 
 function configureDrawLabels() {
@@ -3868,6 +3896,7 @@ function bindDrawingEvents() {
             setInfo("Il progetto e' in sola lettura.");
             return;
         }
+        if (!canAddDrawingObjects()) return;
         snapDrawingLayer(event.layer);
         annotateDrawingLayer(event.layer, event.layerType);
         lmeState.drawings.addLayer(event.layer);
@@ -4104,6 +4133,7 @@ function startMeasurementDrawing(mode) {
     if (!lmeState.map) {
         return;
     }
+    if (!canAddDrawingObjects()) return;
     bindDrawingEvents();
     hideDrawingScopeMenu();
     if (lmeState.activeDrawHandler) {
@@ -5736,6 +5766,7 @@ function bearingToCardinal(value) {
 
 function saveGpsMeasurementPoint() {
     if (!lmeState.lastPosition) { setInfo("Attendi una posizione GPS valida."); return; }
+    if (!canAddDrawingObjects()) return;
     rememberMapChange();
     const now = new Date();
     addDrawingFeature({ type: "Feature", properties: {