Rollen Freigaben Push und Beleg Upload ueberarbeiten

src/lib/push-notifications.ts

@@ -0,0 +1,94 @@
+import webpush from "web-push";
+import type { ApprovalType } from "@prisma/client";
+
+import { approvalLabel } from "@/lib/domain";
+import prisma from "@/lib/prisma";
+
+type PushTargetExpense = {
+  id: string;
+  title: string;
+  amount: number;
+};
+
+function configureWebPush() {
+  const publicKey = process.env.NEXT_PUBLIC_VAPID_PUBLIC_KEY;
+  const privateKey = process.env.VAPID_PRIVATE_KEY;
+  const subject = process.env.VAPID_SUBJECT;
+
+  if (!publicKey || !privateKey || !subject) {
+    return false;
+  }
+
+  webpush.setVapidDetails(subject, publicKey, privateKey);
+  return true;
+}
+
+export function getApprovalRole(approvalType: ApprovalType) {
+  switch (approvalType) {
+    case "CHAIR_A":
+      return "ORGA";
+    case "CHAIR_B":
+      return "BOARD";
+    case "FINANCE":
+      return "FINANCE";
+  }
+}
+
+export async function notifyApprovalRequest(expense: PushTargetExpense, approvalTypes: ApprovalType[]) {
+  if (!configureWebPush() || approvalTypes.length === 0) {
+    return;
+  }
+
+  const roles = approvalTypes.map(getApprovalRole);
+  const subscriptions = await prisma.pushSubscription.findMany({
+    where: {
+      user: {
+        role: {
+          in: roles
+        }
+      }
+    },
+    include: {
+      user: {
+        select: {
+          role: true
+        }
+      }
+    }
+  });
+
+  await Promise.all(
+    subscriptions.map(async (subscription) => {
+      const approvalType = approvalTypes.find((type) => getApprovalRole(type) === subscription.user.role);
+      const payload = JSON.stringify({
+        title: "Freigabe angefragt",
+        body: `${expense.title} (${expense.amount.toFixed(2)} EUR) braucht ${approvalType ? approvalLabel(approvalType) : "deine Freigabe"}.`,
+        url: `/?expense=${encodeURIComponent(expense.id)}`,
+        tag: `approval-${expense.id}-${subscription.user.role}`
+      });
+
+      try {
+        await webpush.sendNotification(
+          {
+            endpoint: subscription.endpoint,
+            keys: {
+              p256dh: subscription.p256dh,
+              auth: subscription.auth
+            }
+          },
+          payload
+        );
+      } catch (error) {
+        const statusCode = typeof error === "object" && error && "statusCode" in error ? error.statusCode : null;
+
+        if (statusCode === 404 || statusCode === 410) {
+          await prisma.pushSubscription.delete({
+            where: {
+              endpoint: subscription.endpoint
+            }
+          });
+        }
+      }
+    })
+  );
+}