feat(invoice): send invoice from stored PDF - closes #4811

modules/invoiceOut/back/methods/invoiceOut/invoiceEmail.js

@@ -40,19 +40,40 @@ module.exports = Self => {
         }
     });
 
-    Self.invoiceEmail = async ctx => {
+    Self.invoiceEmail = async(ctx, reference) => {
         const args = Object.assign({}, ctx.args);
+        const {InvoiceOut} = Self.app.models;
         const params = {
             recipient: args.recipient,
             lang: ctx.req.getLocale()
         };
 
+        const invoiceOut = await InvoiceOut.findOne({
+            where: {
+                ref: reference
+            }
+        });
+
         delete args.ctx;
         for (const param in args)
             params[param] = args[param];
 
         const email = new Email('invoice', params);
 
-        return email.send();
+        const [stream, ...headers] = await Self.download(ctx, invoiceOut.id);
+        const name = headers[1];
+        const fileName = name.replace(/filename="(.*)"/gm, '$1');
+
+        const mailOptions = {
+            overrideAttachments: true,
+            attachments: [
+                {
+                    filename: fileName,
+                    content: stream
+                }
+            ]
+        };
+
+        return email.send(mailOptions);
     };
 };