refactor: extract api implementation to package

Extracts the API implementation to a package so we can
potentially reuse it across different applications in the
event that we move off using a Next.js API route.

Additionally tidies up the tokens page and form to be more simplified.

packages/api/v1/implementation.ts

@@ -0,0 +1,178 @@
+import { createNextRoute } from '@ts-rest/next';
+
+import { upsertDocumentMeta } from '@documenso/lib/server-only/document-meta/upsert-document-meta';
+import { deleteDocument } from '@documenso/lib/server-only/document/delete-document';
+import { findDocuments } from '@documenso/lib/server-only/document/find-documents';
+import { getDocumentById } from '@documenso/lib/server-only/document/get-document-by-id';
+import { sendDocument } from '@documenso/lib/server-only/document/send-document';
+import { setFieldsForDocument } from '@documenso/lib/server-only/field/set-fields-for-document';
+import { setRecipientsForDocument } from '@documenso/lib/server-only/recipient/set-recipients-for-document';
+import { getPresignPostUrl } from '@documenso/lib/universal/upload/server-actions';
+
+import { ApiContractV1 } from './contract';
+import { authenticatedMiddleware } from './middleware/authenticated';
+
+export const ApiContractV1Implementation = createNextRoute(ApiContractV1, {
+  getDocuments: authenticatedMiddleware(async (args, user) => {
+    const page = Number(args.query.page) || 1;
+    const perPage = Number(args.query.perPage) || 10;
+
+    const { data: documents, totalPages } = await findDocuments({ page, perPage, userId: user.id });
+
+    return {
+      status: 200,
+      body: {
+        documents,
+        totalPages,
+      },
+    };
+  }),
+
+  getDocument: authenticatedMiddleware(async (args, user) => {
+    const { id: documentId } = args.params;
+
+    try {
+      const document = await getDocumentById({ id: Number(documentId), userId: user.id });
+
+      return {
+        status: 200,
+        body: document,
+      };
+    } catch (err) {
+      return {
+        status: 404,
+        body: {
+          message: 'Document not found',
+        },
+      };
+    }
+  }),
+
+  deleteDocument: authenticatedMiddleware(async (args, user) => {
+    const { id: documentId } = args.params;
+
+    try {
+      const document = await getDocumentById({ id: Number(documentId), userId: user.id });
+
+      const deletedDocument = await deleteDocument({
+        id: Number(documentId),
+        userId: user.id,
+        status: document.status,
+      });
+
+      return {
+        status: 200,
+        body: deletedDocument,
+      };
+    } catch (err) {
+      return {
+        status: 404,
+        body: {
+          message: 'Document not found',
+        },
+      };
+    }
+  }),
+
+  createDocument: authenticatedMiddleware(async (args, _user) => {
+    const { body } = args;
+
+    try {
+      const { url, key } = await getPresignPostUrl(body.fileName, body.contentType);
+
+      return {
+        status: 200,
+        body: {
+          url,
+          key,
+        },
+      };
+    } catch (err) {
+      return {
+        status: 404,
+        body: {
+          message: 'An error has occured while uploading the file',
+        },
+      };
+    }
+  }),
+
+  sendDocument: authenticatedMiddleware(async (args, user) => {
+    const { id } = args.params;
+    const { body } = args;
+
+    const document = await getDocumentById({ id: Number(id), userId: user.id });
+
+    if (!document) {
+      return {
+        status: 404,
+        body: {
+          message: 'Document not found',
+        },
+      };
+    }
+
+    if (document.status === 'PENDING') {
+      return {
+        status: 400,
+        body: {
+          message: 'Document is already waiting for signing',
+        },
+      };
+    }
+
+    try {
+      await setRecipientsForDocument({
+        userId: user.id,
+        documentId: Number(id),
+        recipients: [
+          {
+            email: body.signerEmail,
+            name: body.signerName ?? '',
+          },
+        ],
+      });
+
+      await setFieldsForDocument({
+        documentId: Number(id),
+        userId: user.id,
+        fields: body.fields.map((field) => ({
+          signerEmail: body.signerEmail,
+          type: field.fieldType,
+          pageNumber: field.pageNumber,
+          pageX: field.pageX,
+          pageY: field.pageY,
+          pageWidth: field.pageWidth,
+          pageHeight: field.pageHeight,
+        })),
+      });
+
+      if (body.emailBody || body.emailSubject) {
+        await upsertDocumentMeta({
+          documentId: Number(id),
+          subject: body.emailSubject ?? '',
+          message: body.emailBody ?? '',
+        });
+      }
+
+      await sendDocument({
+        documentId: Number(id),
+        userId: user.id,
+      });
+
+      return {
+        status: 200,
+        body: {
+          message: 'Document sent for signing successfully',
+        },
+      };
+    } catch (err) {
+      return {
+        status: 500,
+        body: {
+          message: 'An error has occured while sending the document for signing',
+        },
+      };
+    }
+  }),
+});