feat: implement module purchase dialog with subscription type selection, auto-renew, and dependency checks, replacing the dedicated purchase page.

src/backend/Zentral.API/Controllers/ModulesController.cs

@@ -244,7 +244,7 @@ public class ModulesController : ControllerBase
             Dependencies = module.GetDependencies().ToList(),
             RoutePath = module.RoutePath,
             IsAvailable = module.IsAvailable,
-            IsEnabled = module.IsCore || (module.Subscription?.IsValid() ?? false),
+            IsEnabled = module.IsCore || ((module.Subscription?.IsEnabled ?? false) && (module.Subscription?.IsValid() ?? false)),
             Subscription = module.Subscription != null ? MapSubscriptionToDto(module.Subscription) : null
         };
     }

src/backend/Zentral.API/Services/ModuleService.cs

@@ -87,7 +87,7 @@ public class ModuleService
         if (module.IsCore)
             return true;
 
-        return module.Subscription?.IsValid() ?? false;
+        return (module.Subscription?.IsEnabled ?? false) && (module.Subscription?.IsValid() ?? false);
     }
 
     /// <summary>
@@ -200,7 +200,7 @@ public class ModuleService
 
         // Verifica se altri moduli dipendono da questo
         var dependentModules = await GetDependentModulesAsync(code);
-        var activeDependents = dependentModules.Where(m => m.Subscription?.IsValid() ?? false).ToList();
+        var activeDependents = dependentModules.Where(m => (m.Subscription?.IsEnabled ?? false) && (m.Subscription?.IsValid() ?? false)).ToList();
         if (activeDependents.Any())
             throw new InvalidOperationException(
                 $"I seguenti moduli attivi dipendono da questo modulo: {string.Join(", ", activeDependents.Select(m => m.Name))}");

src/backend/Zentral.Domain/Entities/ModuleSubscription.cs

@@ -72,9 +72,6 @@ public class ModuleSubscription : BaseEntity
     /// </summary>
     public bool IsValid()
     {
-        if (!IsEnabled)
-            return false;
-
         // Se non c'è data di scadenza, è valido (licenza perpetua o core module)
         if (!EndDate.HasValue)
             return true;

src/frontend/public/locales/it/translation.json

@@ -271,6 +271,7 @@
       "disableConfirmSubtext": "I dati inseriti rimarranno nel sistema ma non saranno più accessibili fino alla riattivazione.",
       "disable": "Disattiva",
       "enable": "Attiva",
+      "purchase": "Acquista",
       "details": "Dettagli",
       "renew": "Rinnova",
       "active": "Attivo",

src/frontend/src/components/ModulePurchaseDialog.tsx

@@ -0,0 +1,301 @@
+import { useState } from "react";
+import { useMutation } from "@tanstack/react-query";
+import {
+  Box,
+  Typography,
+  Button,
+  ToggleButton,
+  ToggleButtonGroup,
+  Alert,
+  CircularProgress,
+  Chip,
+  Divider,
+  List,
+  ListItem,
+  ListItemIcon,
+  ListItemText,
+  Paper,
+  Dialog,
+  DialogTitle,
+  DialogContent,
+  DialogActions,
+} from "@mui/material";
+import {
+  CheckCircle as CheckIcon,
+  ShoppingCart as CartIcon,
+  CalendarMonth as MonthlyIcon,
+  CalendarToday as AnnualIcon,
+  Warning as WarningIcon,
+} from "@mui/icons-material";
+import { useTranslation } from "react-i18next";
+import { useModules } from "../contexts/ModuleContext";
+import {
+  ModuleDto,
+  SubscriptionType,
+  formatPrice,
+  getSubscriptionTypeName,
+} from "../types/module";
+
+interface ModulePurchaseDialogProps {
+  module: ModuleDto | null;
+  open: boolean;
+  onClose: () => void;
+}
+
+export default function ModulePurchaseDialog({
+  module,
+  open,
+  onClose,
+}: ModulePurchaseDialogProps) {
+  const { enableModule, isModuleEnabled } = useModules();
+  const { t } = useTranslation();
+
+  const [subscriptionType, setSubscriptionType] = useState<SubscriptionType>(
+    SubscriptionType.Annual
+  );
+  const [autoRenew, setAutoRenew] = useState(true);
+
+  // Mutation per attivare il modulo
+  const enableMutation = useMutation({
+    mutationFn: async () => {
+      if (!module?.code) throw new Error("Codice modulo mancante");
+      return enableModule(module.code, {
+        subscriptionType,
+        autoRenew,
+      });
+    },
+    onSuccess: () => {
+      onClose();
+    },
+  });
+
+  if (!module) return null;
+
+  // Calcola il prezzo in base al tipo di subscription
+  const price =
+    subscriptionType === SubscriptionType.Monthly
+      ? module.monthlyPrice
+      : module.basePrice;
+
+  const priceLabel =
+    subscriptionType === SubscriptionType.Monthly
+      ? t("modules.admin.perMonth")
+      : t("modules.admin.perYear");
+
+  // Calcola risparmio annuale
+  const annualSavings = module.monthlyPrice * 12 - module.basePrice;
+  const savingsPercent = Math.round(
+    (annualSavings / (module.monthlyPrice * 12)) * 100
+  );
+
+  // Verifica dipendenze mancanti
+  const missingDependencies = module.dependencies.filter(
+    (dep) => !isModuleEnabled(dep)
+  );
+
+  return (
+    <Dialog open={open} onClose={onClose} maxWidth="md" fullWidth>
+      <DialogTitle>
+        <Box sx={{ display: "flex", justifyContent: "space-between", alignItems: "center" }}>
+          <Typography variant="h6">
+            {t("modules.admin.purchaseTitle")} - {module.name}
+          </Typography>
+        </Box>
+      </DialogTitle>
+      <DialogContent dividers>
+        <Box sx={{ mb: 3 }}>
+          <Typography color="text.secondary" paragraph>
+            {module.description}
+          </Typography>
+        </Box>
+
+        {/* Alert dipendenze mancanti */}
+        {missingDependencies.length > 0 && (
+          <Alert severity="warning" sx={{ mb: 3 }} icon={<WarningIcon />}>
+            <Typography variant="subtitle2" gutterBottom>
+              {t("modules.admin.missingDependencies")}
+            </Typography>
+            <Box sx={{ display: "flex", gap: 1, mt: 1, flexWrap: "wrap" }}>
+              {missingDependencies.map((dep) => (
+                <Chip
+                  key={dep}
+                  label={dep}
+                  size="small"
+                  color="warning"
+                />
+              ))}
+            </Box>
+          </Alert>
+        )}
+
+        {/* Selezione tipo abbonamento */}
+        <Box sx={{ mb: 4 }}>
+          <Typography variant="subtitle1" gutterBottom fontWeight="medium">
+            {t("modules.admin.subscriptionType")}
+          </Typography>
+          <ToggleButtonGroup
+            value={subscriptionType}
+            exclusive
+            onChange={(_, value) => value && setSubscriptionType(value)}
+            fullWidth
+            sx={{ mb: 2 }}
+          >
+            <ToggleButton value={SubscriptionType.Monthly}>
+              <Box sx={{ py: 1, textAlign: "center", width: "100%" }}>
+                <MonthlyIcon sx={{ mb: 0.5 }} />
+                <Typography variant="body2" display="block">
+                  {t("modules.admin.monthly")}
+                </Typography>
+                <Typography variant="h6" color="primary">
+                  {formatPrice(module.monthlyPrice)}
+                  <Typography
+                    component="span"
+                    variant="body2"
+                    color="text.secondary"
+                  >
+                    {t("modules.admin.perMonth")}
+                  </Typography>
+                </Typography>
+              </Box>
+            </ToggleButton>
+            <ToggleButton value={SubscriptionType.Annual}>
+              <Box sx={{ py: 1, textAlign: "center", width: "100%" }}>
+                <AnnualIcon sx={{ mb: 0.5 }} />
+                <Typography variant="body2" display="block">
+                  {t("modules.admin.annual")}
+                </Typography>
+                <Typography variant="h6" color="primary">
+                  {formatPrice(module.basePrice)}
+                  <Typography
+                    component="span"
+                    variant="body2"
+                    color="text.secondary"
+                  >
+                    {t("modules.admin.perYear")}
+                  </Typography>
+                </Typography>
+                {savingsPercent > 0 && (
+                  <Chip
+                    label={t("modules.admin.savings", {
+                      percent: savingsPercent,
+                    })}
+                    size="small"
+                    color="success"
+                    sx={{ mt: 0.5 }}
+                  />
+                )}
+              </Box>
+            </ToggleButton>
+          </ToggleButtonGroup>
+
+          {/* Opzione auto-rinnovo */}
+          <Box sx={{ display: "flex", alignItems: "center", gap: 1 }}>
+            <ToggleButton
+              value="autoRenew"
+              selected={autoRenew}
+              onChange={() => setAutoRenew(!autoRenew)}
+              size="small"
+            >
+              {autoRenew ? <CheckIcon /> : null}
+            </ToggleButton>
+            <Typography variant="body2">
+              {t("modules.admin.autoRenewLabel")}
+            </Typography>
+          </Box>
+        </Box>
+
+        <Divider sx={{ my: 3 }} />
+
+        {/* Riepilogo */}
+        <Paper
+          variant="outlined"
+          sx={{ p: 2, mb: 3, bgcolor: "action.hover" }}
+        >
+          <Typography variant="subtitle2" gutterBottom>
+            {t("modules.admin.orderSummary")}
+          </Typography>
+          <Box
+            sx={{ display: "flex", justifyContent: "space-between", mb: 1 }}
+          >
+            <Typography>{t("modules.admin.module")} {module.name}</Typography>
+            <Typography>{formatPrice(price)}</Typography>
+          </Box>
+          <Box
+            sx={{ display: "flex", justifyContent: "space-between", mb: 1 }}
+          >
+            <Typography color="text.secondary">
+              {t("modules.admin.subscription")}{" "}
+              {getSubscriptionTypeName(subscriptionType).toLowerCase()}
+            </Typography>
+            <Typography color="text.secondary">{priceLabel}</Typography>
+          </Box>
+          <Divider sx={{ my: 1 }} />
+          <Box sx={{ display: "flex", justifyContent: "space-between" }}>
+            <Typography variant="h6">{t("modules.admin.total")}</Typography>
+            <Typography variant="h6" color="primary">
+              {formatPrice(price)}
+              {priceLabel}
+            </Typography>
+          </Box>
+        </Paper>
+
+        {/* Errore */}
+        {enableMutation.isError && (
+          <Alert severity="error" sx={{ mb: 3 }}>
+            {(enableMutation.error as Error)?.message ||
+              t("modules.admin.activationError")}
+          </Alert>
+        )}
+
+        {/* Funzionalità incluse */}
+        <Box sx={{ mt: 3 }}>
+          <Typography variant="subtitle2" gutterBottom>
+            {t("modules.admin.includedFeatures")}
+          </Typography>
+          <List dense>
+            {getModuleFeatures(module.code, t).map((feature, index) => (
+              <ListItem key={index} disablePadding>
+                <ListItemIcon sx={{ minWidth: 36 }}>
+                  <CheckIcon color="success" fontSize="small" />
+                </ListItemIcon>
+                <ListItemText primary={feature} />
+              </ListItem>
+            ))}
+          </List>
+        </Box>
+      </DialogContent>
+      <DialogActions>
+        <Button onClick={onClose} disabled={enableMutation.isPending}>
+          {t("common.cancel")}
+        </Button>
+        <Button
+          variant="contained"
+          startIcon={
+            enableMutation.isPending ? (
+              <CircularProgress size={20} color="inherit" />
+            ) : (
+              <CartIcon />
+            )
+          }
+          onClick={() => enableMutation.mutate()}
+          disabled={
+            enableMutation.isPending || missingDependencies.length > 0
+          }
+        >
+          {enableMutation.isPending
+            ? t("modules.admin.activating")
+            : t("modules.admin.activateModule")}
+        </Button>
+      </DialogActions>
+    </Dialog>
+  );
+}
+
+// Helper per ottenere le funzionalità di un modulo
+function getModuleFeatures(code: string, t: (key: string) => string): string[] {
+  const featureKeys = [0, 1, 2, 3, 4, 5];
+  if (["warehouse", "purchases", "sales", "production", "quality"].includes(code)) {
+    return featureKeys.map((i) => t(`modules.features.${code}.${i}`));
+  }
+  return [t("modules.features.default")];
+}

src/frontend/src/pages/ModulePurchasePage.tsx

@@ -1,5 +1,5 @@
 import { useState } from "react";
-import { useParams, useNavigate, useLocation } from "react-router-dom";
+import { useParams, useNavigate } from "react-router-dom";
 import { useMutation } from "@tanstack/react-query";
 import {
   Box,
@@ -38,7 +38,6 @@ import {
 export default function ModulePurchasePage() {
   const { code } = useParams<{ code: string }>();
   const navigate = useNavigate();
-  const location = useLocation();
   const module = useModule(code || "");
   const { enableModule, isModuleEnabled } = useModules();
   const { t } = useTranslation();
@@ -58,9 +57,8 @@ export default function ModulePurchasePage() {
       });
     },
     onSuccess: () => {
-      // Redirect alla pagina originale o alla home del modulo
+      // Redirect alla pagina dei moduli
-      const from = (location.state as { from?: string })?.from;
+      navigate("/modules");
-      navigate(from || module?.routePath || "/");
     },
   });
 

src/frontend/src/pages/ModulesAdminPage.tsx

@@ -1,5 +1,4 @@
 import { useState } from "react";
-import { useNavigate } from "react-router-dom";
 import { useMutation, useQuery } from "@tanstack/react-query";
 import {
   Box,
@@ -28,8 +27,10 @@ import {
   Warning as WarningIcon,
   Schedule as ScheduleIcon,
   Autorenew as RenewIcon,
+  ShoppingCart,
 } from "@mui/icons-material";
 import * as Icons from "@mui/icons-material";
+import { AxiosError } from "axios";
 import { useTranslation } from "react-i18next";
 import { useModules } from "../contexts/ModuleContext";
 import { moduleService } from "../services/moduleService";
@@ -40,13 +41,15 @@ import {
   getDaysRemainingText,
   getSubscriptionStatusColor,
   getSubscriptionStatusText,
+  SubscriptionType,
 } from "../types/module";
+import ModulePurchaseDialog from "../components/ModulePurchaseDialog";
 
 export default function ModulesAdminPage() {
-  const navigate = useNavigate();
   const { t } = useTranslation();
   const { modules, isLoading, refreshModules } = useModules();
   const [selectedModule, setSelectedModule] = useState<ModuleDto | null>(null);
+  const [purchaseModule, setPurchaseModule] = useState<ModuleDto | null>(null);
   const [confirmDisable, setConfirmDisable] = useState<string | null>(null);
 
   // Query per moduli in scadenza
@@ -64,6 +67,18 @@ export default function ModulesAdminPage() {
     },
   });
 
+  // Mutation per attivare modulo
+  const enableMutation = useMutation({
+    mutationFn: (code: string) =>
+      moduleService.enable(code, {
+        subscriptionType: SubscriptionType.Annual,
+        autoRenew: true,
+      }),
+    onSuccess: () => {
+      refreshModules();
+    },
+  });
+
   // Mutation per rinnovare subscription
   const renewMutation = useMutation({
     mutationFn: (code: string) => moduleService.renewSubscription(code),
@@ -166,9 +181,13 @@ export default function ModulesAdminPage() {
                 if (module.isEnabled && !module.isCore) {
                   setConfirmDisable(module.code);
                 } else if (!module.isEnabled) {
-                  navigate(`/modules/purchase/${module.code}`);
+                  // Se ha una subscription valida, lo abilitiamo direttamente
+                  if (module.subscription?.isValid) {
+                    enableMutation.mutate(module.code);
+                  }
                 }
               }}
+              onPurchase={() => setPurchaseModule(module)}
               onInfo={() => setSelectedModule(module)}
               onRenew={() => renewMutation.mutate(module.code)}
               isRenewing={renewMutation.isPending}
@@ -332,7 +351,9 @@ export default function ModulesAdminPage() {
           </Typography>
           {disableMutation.isError && (
             <Alert severity="error" sx={{ mt: 2 }}>
-              {(disableMutation.error as Error)?.message ||
+              {(disableMutation.error as AxiosError<{ message: string }>)?.response
+                ?.data?.message ||
+                (disableMutation.error as Error)?.message ||
                 t("common.error")}
             </Alert>
           )}
@@ -358,7 +379,17 @@ export default function ModulesAdminPage() {
           </Button>
         </DialogActions>
       </Dialog>
-    </Box>
+
+      {/* Dialog acquisto modulo */}
+      <ModulePurchaseDialog
+        module={purchaseModule}
+        open={!!purchaseModule}
+        onClose={() => {
+          setPurchaseModule(null);
+          refreshModules();
+        }}
+      />
+    </Box >
   );
 }
 
@@ -366,6 +397,7 @@ export default function ModulesAdminPage() {
 interface ModuleCardProps {
   module: ModuleDto;
   onToggle: () => void;
+  onPurchase: () => void;
   onInfo: () => void;
   onRenew: () => void;
   isRenewing: boolean;
@@ -376,6 +408,7 @@ interface ModuleCardProps {
 function ModuleCard({
   module,
   onToggle,
+  onPurchase,
   onInfo,
   onRenew,
   isRenewing,
@@ -421,6 +454,15 @@ function ModuleCard({
           <Box>
             {module.isCore ? (
               <Chip label={t("modules.admin.core")} size="small" color="info" />
+            ) : !module.subscription?.isValid ? (
+              <Chip
+                label={t("modules.admin.purchase")}
+                size="small"
+                color="error"
+                icon={<ShoppingCart />}
+                onClick={onPurchase}
+                sx={{ cursor: "pointer" }}
+              />
             ) : (
               <Chip label={statusText} size="small" color={statusColor} />
             )}
@@ -514,9 +556,14 @@ function ModuleCard({
                 checked={module.isEnabled}
                 onChange={onToggle}
                 color={module.isEnabled ? "success" : "default"}
+                disabled={!module.subscription?.isValid}
               />
             }
-            label={module.isEnabled ? t("modules.admin.active") : t("modules.admin.inactive")}
+            label={
+              module.isEnabled
+                ? t("modules.admin.active")
+                : t("modules.admin.inactive")
+            }
             labelPlacement="start"
           />
         )}