ui: tape/TapeRestore: don't send snapshotlist when restoring whole datastores

for the case that the user selects only whole datastores, we do not
want to send and (exhaustive) list of snapshots that get restored,
but we only want to honor the mapping the user gives

this avoids using the backup restore codepath that iterates twice
over the tapes and would generally be slower for a lot of snapshots

Signed-off-by: Dominik Csapak <d.csapak@proxmox.com>

www/tape/window/TapeRestore.js

@@ -184,9 +184,13 @@ Ext.define('PBS.TapeManagement.TapeRestoreWindow', {
 		values = [];
 	    }
 	    let datastores = {};
-	    values.forEach((snapshot) => {
+	    values.forEach((snapshotOrDatastore) => {
-		const [datastore] = snapshot.split(':');
+		let datastore = snapshotOrDatastore;
-		datastores[datastore] = true;
+		if (snapshotOrDatastore.indexOf(':') !== -1) {
+		    let snapshot = snapshotOrDatastore;
+		    let match = snapshot.split(':');
+		    datastore = match[0];
+		} datastores[datastore] = true;
 	    });
 
 	    me.setDataStores(Object.keys(datastores));
@@ -230,7 +234,7 @@ Ext.define('PBS.TapeManagement.TapeRestoreWindow', {
 		    if (response.result.data.length > 0) {
 			grid.setDisabled(false);
 			grid.setVisible(true);
-			grid.getStore().setData(response.result.data);
+			grid.setData(response.result.data);
 			grid.getSelectionModel().selectAll();
 			// we've shown a big list, center the window again
 			view.center();
@@ -294,10 +298,14 @@ Ext.define('PBS.TapeManagement.TapeRestoreWindow', {
 		    onGetValues: function(values) {
 			let me = this;
 
-			if (values.snapshots === 'all') {
+			if (values !== "all" &&
-			    delete values.snapshots;
+			    Ext.isString(values.snapshots) &&
-			} else if (Ext.isString(values.snapshots) && values.snapshots) {
+			    values.snapshots &&
+			    values.snapshots.indexOf(':') !== -1
+			) {
 			    values.snapshots = values.snapshots.split(',');
+			} else {
+			    delete values.snapshots;
 			}
 
 			return values;
@@ -593,6 +601,8 @@ Ext.define('PBS.TapeManagement.SnapshotGrid', {
 	let me = this;
 	let snapshots = [];
 
+	let storeCounts = {};
+
 	me.getSelection().forEach((rec) => {
 	    let id = rec.get('id');
 	    let store = rec.data.store;
@@ -600,6 +610,10 @@ Ext.define('PBS.TapeManagement.SnapshotGrid', {
 	    // only add if not filtered
 	    if (me.store.findExact('id', id) !== -1) {
 		snapshots.push(`${store}:${snap}`);
+		if (storeCounts[store] === undefined) {
+		    storeCounts[store] = 0;
+		}
+		storeCounts[store]++;
 	    }
 	});
 
@@ -610,6 +624,21 @@ Ext.define('PBS.TapeManagement.SnapshotGrid', {
 	    return "all";
 	}
 
+	let wholeStores = [];
+	let wholeStoresSelected = true;
+	for (const [store, count] of Object.entries(storeCounts)) {
+	    if (me.storeCounts[store] === count) {
+		wholeStores.push(store);
+	    } else {
+		wholeStoresSelected = false;
+		break;
+	    }
+	}
+
+	if (wholeStoresSelected) {
+	    return wholeStores;
+	}
+
 	return snapshots;
     },
 
@@ -639,6 +668,20 @@ Ext.define('PBS.TapeManagement.SnapshotGrid', {
 	return [];
     },
 
+    setData: function(records) {
+	let me = this;
+	let storeCounts = {};
+	records.forEach((rec) => {
+	    let store = rec.store;
+	    if (storeCounts[store] === undefined) {
+		storeCounts[store] = 0;
+	    }
+	    storeCounts[store]++;
+	});
+	me.storeCounts = storeCounts;
+	me.getStore().setData(records);
+    },
+
     scrollable: true,
     plugins: 'gridfilters',