Trying this...

src/pages/api/invoices/[id]/generate.ts

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+import type { APIRoute } from "astro";
+import { db } from "../../../../db";
+import {
+  invoices,
+  invoiceItems,
+  clients,
+  organizations,
+  members,
+} from "../../../../db/schema";
+import { eq, and } from "drizzle-orm";
+import { renderToStream } from "@ceereals/vue-pdf";
+import { createInvoiceDocument } from "../../../../pdf/generateInvoicePDF";
+
+export const GET: APIRoute = async ({ params, locals }) => {
+  try {
+    const { id } = params;
+    const user = locals.user;
+
+    if (!user || !id) {
+      return new Response("Unauthorized", { status: 401 });
+    }
+
+    // Fetch invoice with related data
+    const invoiceResult = await db
+      .select({
+        invoice: invoices,
+        client: clients,
+        organization: organizations,
+      })
+      .from(invoices)
+      .leftJoin(clients, eq(invoices.clientId, clients.id))
+      .innerJoin(organizations, eq(invoices.organizationId, organizations.id))
+      .where(eq(invoices.id, id))
+      .get();
+
+    if (!invoiceResult) {
+      return new Response("Invoice not found", { status: 404 });
+    }
+
+    const { invoice, client, organization } = invoiceResult;
+
+    // Verify access
+    const membership = await db
+      .select()
+      .from(members)
+      .where(
+        and(
+          eq(members.userId, user.id),
+          eq(members.organizationId, invoice.organizationId),
+        ),
+      )
+      .get();
+
+    if (!membership) {
+      return new Response("Forbidden", { status: 403 });
+    }
+
+    // Fetch items
+    const items = await db
+      .select()
+      .from(invoiceItems)
+      .where(eq(invoiceItems.invoiceId, invoice.id))
+      .all();
+
+    if (!client) {
+      return new Response("Client not found", { status: 404 });
+    }
+
+    // Generate PDF using Vue PDF
+    // Suppress verbose logging from PDF renderer
+    const originalConsoleLog = console.log;
+    console.log = () => {};
+
+    try {
+      const pdfDocument = createInvoiceDocument({
+        invoice,
+        items,
+        client,
+        organization,
+      });
+
+      const stream = await renderToStream(pdfDocument);
+
+      // Restore console.log
+      console.log = originalConsoleLog;
+
+      const filename = `${invoice.type}_${invoice.number.replace(/[^a-zA-Z0-9]/g, "_")}.pdf`;
+
+      return new Response(stream as any, {
+        headers: {
+          "Content-Type": "application/pdf",
+          "Content-Disposition": `attachment; filename="${filename}"`,
+        },
+      });
+    } catch (pdfError) {
+      // Restore console.log on error
+      console.log = originalConsoleLog;
+      throw pdfError;
+    }
+  } catch (error) {
+    console.error("Error generating PDF:", error);
+    return new Response("Error generating PDF", { status: 500 });
+  }
+};

src/pages/api/invoices/[id]/items/add.ts

@@ -0,0 +1,88 @@
+import type { APIRoute } from "astro";
+import { db } from "../../../../../db";
+import { invoiceItems, invoices, members } from "../../../../../db/schema";
+import { eq, and } from "drizzle-orm";
+import { recalculateInvoiceTotals } from "../../../../../utils/invoice";
+
+export const POST: APIRoute = async ({
+  request,
+  redirect,
+  locals,
+  params,
+}) => {
+  const user = locals.user;
+  if (!user) {
+    return redirect("/login");
+  }
+
+  const { id: invoiceId } = params;
+  if (!invoiceId) {
+    return new Response("Invoice ID required", { status: 400 });
+  }
+
+  // Fetch invoice to verify existence and check status
+  const invoice = await db
+    .select()
+    .from(invoices)
+    .where(eq(invoices.id, invoiceId))
+    .get();
+
+  if (!invoice) {
+    return new Response("Invoice not found", { status: 404 });
+  }
+
+  // Verify membership
+  const membership = await db
+    .select()
+    .from(members)
+    .where(
+      and(
+        eq(members.userId, user.id),
+        eq(members.organizationId, invoice.organizationId)
+      )
+    )
+    .get();
+
+  if (!membership) {
+    return new Response("Unauthorized", { status: 401 });
+  }
+
+  // Only allow editing if draft
+  if (invoice.status !== "draft") {
+    return new Response("Cannot edit a finalized invoice", { status: 400 });
+  }
+
+  const formData = await request.formData();
+  const description = formData.get("description") as string;
+  const quantityStr = formData.get("quantity") as string;
+  const unitPriceStr = formData.get("unitPrice") as string;
+
+  if (!description || !quantityStr || !unitPriceStr) {
+    return new Response("Missing required fields", { status: 400 });
+  }
+
+  const quantity = parseFloat(quantityStr);
+  const unitPriceMajor = parseFloat(unitPriceStr);
+
+  // Convert to cents
+  const unitPrice = Math.round(unitPriceMajor * 100);
+  const amount = Math.round(quantity * unitPrice);
+
+  try {
+    await db.insert(invoiceItems).values({
+      invoiceId,
+      description,
+      quantity,
+      unitPrice,
+      amount,
+    });
+
+    // Update invoice totals
+    await recalculateInvoiceTotals(invoiceId);
+
+    return redirect(`/dashboard/invoices/${invoiceId}`);
+  } catch (error) {
+    console.error("Error adding invoice item:", error);
+    return new Response("Internal Server Error", { status: 500 });
+  }
+};

src/pages/api/invoices/[id]/items/delete.ts

@@ -0,0 +1,84 @@
+import type { APIRoute } from "astro";
+import { db } from "../../../../../db";
+import { invoiceItems, invoices, members } from "../../../../../db/schema";
+import { eq, and } from "drizzle-orm";
+import { recalculateInvoiceTotals } from "../../../../../utils/invoice";
+
+export const POST: APIRoute = async ({
+  request,
+  redirect,
+  locals,
+  params,
+}) => {
+  const user = locals.user;
+  if (!user) {
+    return redirect("/login");
+  }
+
+  const { id: invoiceId } = params;
+  if (!invoiceId) {
+    return new Response("Invoice ID required", { status: 400 });
+  }
+
+  // Fetch invoice to verify existence and check status
+  const invoice = await db
+    .select()
+    .from(invoices)
+    .where(eq(invoices.id, invoiceId))
+    .get();
+
+  if (!invoice) {
+    return new Response("Invoice not found", { status: 404 });
+  }
+
+  // Verify membership
+  const membership = await db
+    .select()
+    .from(members)
+    .where(
+      and(
+        eq(members.userId, user.id),
+        eq(members.organizationId, invoice.organizationId)
+      )
+    )
+    .get();
+
+  if (!membership) {
+    return new Response("Unauthorized", { status: 401 });
+  }
+
+  // Only allow editing if draft
+  if (invoice.status !== "draft") {
+    return new Response("Cannot edit a finalized invoice", { status: 400 });
+  }
+
+  const formData = await request.formData();
+  const itemId = formData.get("itemId") as string;
+
+  if (!itemId) {
+    return new Response("Item ID required", { status: 400 });
+  }
+
+  // Verify item belongs to invoice
+  const item = await db
+    .select()
+    .from(invoiceItems)
+    .where(and(eq(invoiceItems.id, itemId), eq(invoiceItems.invoiceId, invoiceId)))
+    .get();
+
+  if (!item) {
+     return new Response("Item not found", { status: 404 });
+  }
+
+  try {
+    await db.delete(invoiceItems).where(eq(invoiceItems.id, itemId));
+
+    // Update invoice totals
+    await recalculateInvoiceTotals(invoiceId);
+
+    return redirect(`/dashboard/invoices/${invoiceId}`);
+  } catch (error) {
+    console.error("Error deleting invoice item:", error);
+    return new Response("Internal Server Error", { status: 500 });
+  }
+};

src/pages/api/invoices/[id]/status.ts

@@ -0,0 +1,76 @@
+import type { APIRoute } from "astro";
+import { db } from "../../../../db";
+import { invoices, members } from "../../../../db/schema";
+import { eq, and } from "drizzle-orm";
+
+export const POST: APIRoute = async ({
+  request,
+  redirect,
+  locals,
+  params,
+}) => {
+  const user = locals.user;
+  if (!user) {
+    return redirect("/login");
+  }
+
+  const { id: invoiceId } = params;
+  if (!invoiceId) {
+    return new Response("Invoice ID required", { status: 400 });
+  }
+
+  const formData = await request.formData();
+  const status = formData.get("status") as string;
+
+  const validStatuses = [
+    "draft",
+    "sent",
+    "paid",
+    "void",
+    "accepted",
+    "declined",
+  ];
+
+  if (!status || !validStatuses.includes(status)) {
+    return new Response("Invalid status", { status: 400 });
+  }
+
+  // Fetch invoice to verify existence and check ownership
+  const invoice = await db
+    .select()
+    .from(invoices)
+    .where(eq(invoices.id, invoiceId))
+    .get();
+
+  if (!invoice) {
+    return new Response("Invoice not found", { status: 404 });
+  }
+
+  // Verify membership
+  const membership = await db
+    .select()
+    .from(members)
+    .where(
+      and(
+        eq(members.userId, user.id),
+        eq(members.organizationId, invoice.organizationId)
+      )
+    )
+    .get();
+
+  if (!membership) {
+    return new Response("Unauthorized", { status: 401 });
+  }
+
+  try {
+    await db
+      .update(invoices)
+      .set({ status: status as any })
+      .where(eq(invoices.id, invoiceId));
+
+    return redirect(`/dashboard/invoices/${invoiceId}`);
+  } catch (error) {
+    console.error("Error updating invoice status:", error);
+    return new Response("Internal Server Error", { status: 500 });
+  }
+};

src/pages/api/invoices/[id]/update.ts

@@ -0,0 +1,87 @@
+import type { APIRoute } from "astro";
+import { db } from "../../../../db";
+import { invoices, members } from "../../../../db/schema";
+import { eq, and } from "drizzle-orm";
+import { recalculateInvoiceTotals } from "../../../../utils/invoice";
+
+export const POST: APIRoute = async ({
+  request,
+  redirect,
+  locals,
+  params,
+}) => {
+  const user = locals.user;
+  if (!user) {
+    return redirect("/login");
+  }
+
+  const { id: invoiceId } = params;
+  if (!invoiceId) {
+    return new Response("Invoice ID required", { status: 400 });
+  }
+
+  // Fetch invoice to verify existence
+  const invoice = await db
+    .select()
+    .from(invoices)
+    .where(eq(invoices.id, invoiceId))
+    .get();
+
+  if (!invoice) {
+    return new Response("Invoice not found", { status: 404 });
+  }
+
+  // Verify membership
+  const membership = await db
+    .select()
+    .from(members)
+    .where(
+      and(
+        eq(members.userId, user.id),
+        eq(members.organizationId, invoice.organizationId)
+      )
+    )
+    .get();
+
+  if (!membership) {
+    return new Response("Unauthorized", { status: 401 });
+  }
+
+  const formData = await request.formData();
+  const number = formData.get("number") as string;
+  const currency = formData.get("currency") as string;
+  const issueDateStr = formData.get("issueDate") as string;
+  const dueDateStr = formData.get("dueDate") as string;
+  const taxRateStr = formData.get("taxRate") as string;
+  const notes = formData.get("notes") as string;
+
+  if (!number || !currency || !issueDateStr || !dueDateStr) {
+    return new Response("Missing required fields", { status: 400 });
+  }
+
+  try {
+    const issueDate = new Date(issueDateStr);
+    const dueDate = new Date(dueDateStr);
+    const taxRate = taxRateStr ? parseFloat(taxRateStr) : 0;
+
+    await db
+      .update(invoices)
+      .set({
+        number,
+        currency,
+        issueDate,
+        dueDate,
+        taxRate,
+        notes: notes || null,
+      })
+      .where(eq(invoices.id, invoiceId));
+
+    // Recalculate totals in case tax rate changed
+    await recalculateInvoiceTotals(invoiceId);
+
+    return redirect(`/dashboard/invoices/${invoiceId}`);
+  } catch (error) {
+    console.error("Error updating invoice:", error);
+    return new Response("Internal Server Error", { status: 500 });
+  }
+};