feat: add envelopes (#2025)

This PR is handles the changes required to support envelopes. The new
envelope editor/signing page will be hidden during release.

The core changes here is to migrate the documents and templates model to
a centralized envelopes model.

Even though Documents and Templates are removed, from the user
perspective they will still exist as we remap envelopes to documents and
templates.

packages/trpc/server/envelope-router/create-envelope-items.ts

@@ -0,0 +1,111 @@
+import { AppError, AppErrorCode } from '@documenso/lib/errors/app-error';
+import { getEnvelopeWhereInput } from '@documenso/lib/server-only/envelope/get-envelope-by-id';
+import { prefixedId } from '@documenso/lib/universal/id';
+import { canEnvelopeItemsBeModified } from '@documenso/lib/utils/envelope';
+import { prisma } from '@documenso/prisma';
+
+import { authenticatedProcedure } from '../trpc';
+import {
+  ZCreateEnvelopeItemsRequestSchema,
+  ZCreateEnvelopeItemsResponseSchema,
+} from './create-envelope-items.types';
+
+export const createEnvelopeItemsRoute = authenticatedProcedure
+  .input(ZCreateEnvelopeItemsRequestSchema)
+  .output(ZCreateEnvelopeItemsResponseSchema)
+  .mutation(async ({ input, ctx }) => {
+    const { user, teamId } = ctx;
+    const { envelopeId, items } = input;
+
+    ctx.logger.info({
+      input: {
+        envelopeId,
+      },
+    });
+
+    // Todo: Envelopes - What to do about "normalizing"?
+    const { envelopeWhereInput } = await getEnvelopeWhereInput({
+      id: {
+        type: 'envelopeId',
+        id: envelopeId,
+      },
+      type: null,
+      userId: user.id,
+      teamId,
+    });
+
+    const envelope = await prisma.envelope.findUnique({
+      where: envelopeWhereInput,
+      include: {
+        recipients: true,
+        envelopeItems: {
+          orderBy: {
+            order: 'asc',
+          },
+        },
+      },
+    });
+
+    if (!envelope) {
+      throw new AppError(AppErrorCode.NOT_FOUND, {
+        message: 'Envelope not found',
+      });
+    }
+
+    if (!canEnvelopeItemsBeModified(envelope, envelope.recipients)) {
+      throw new AppError(AppErrorCode.INVALID_REQUEST, {
+        message: 'Envelope item is not editable',
+      });
+    }
+
+    // Todo: Envelopes - Limit amount of items that can be created.
+
+    const foundDocumentData = await prisma.documentData.findMany({
+      where: {
+        id: {
+          in: items.map((item) => item.documentDataId),
+        },
+      },
+      select: {
+        envelopeItem: {
+          select: {
+            id: true,
+          },
+        },
+      },
+    });
+
+    // Check that all the document data was found.
+    if (foundDocumentData.length !== items.length) {
+      throw new AppError(AppErrorCode.NOT_FOUND, {
+        message: 'Document data not found',
+      });
+    }
+
+    // Check that it doesn't already have an envelope item.
+    if (foundDocumentData.some((documentData) => documentData.envelopeItem?.id)) {
+      throw new AppError(AppErrorCode.INVALID_REQUEST, {
+        message: 'Document data not found',
+      });
+    }
+
+    const currentHighestOrderValue =
+      envelope.envelopeItems[envelope.envelopeItems.length - 1]?.order ?? 1;
+
+    const result = await prisma.envelopeItem.createManyAndReturn({
+      data: items.map((item, index) => ({
+        id: prefixedId('envelope_item'),
+        envelopeId,
+        title: item.title,
+        documentDataId: item.documentDataId,
+        order: currentHighestOrderValue + 1,
+      })),
+      include: {
+        documentData: true,
+      },
+    });
+
+    return {
+      createdEnvelopeItems: result,
+    };
+  });