Attach a CSV in Mail - email

Question

I want to attach a csv file in mail(grails)
The file in the path is already present. I am using the following code
sendMail {
multipart true
from "$senderName <$fromAddress>"
to toAddress
cc message.cc
subject message.subject
body content.plaintext
html content.html
attachBytes './web-app/ReadyOrdersFor-${vendor.name}','text/csv', new File('./web-app/ReadyOrdersFor-${vendor.name}').readBytes()
}
Error prompted is.
java.io.FileNotFoundException: ./web-app/ReadyOrdersFor-${vendor.name}.csv (No such file or directory)
neither this works prompting the same error
attachBytes './web-app/ReadyOrdersFor-${vendor.name}.csv','text/csv', new File('./web-app/ReadyOrdersFor-${vendor.name}.csv').readBytes()

Answer 1

The issue is that you trying you use the file path string as a GStringImpl, but the string is enclosed in single quotes. GStringImpl is natively supported in groovy in double quotes.
You code should be
attachBytes "./web-app/ReadyOrdersFor-${vendor.name}",'text/csv', new File("./web-app/ReadyOrdersFor-${vendor.name}").readBytes()
This link should help you understand the difference between using single and double quotes in groovy.

Answer 2

Instead of trying to get a File reference using new File(path), use the Spring ResourceLoader interface. The ApplicationContext implements this interface, so you can get a reference to it from a controller (for example) like this:
class MyController implements ApplicationContextAware {
private ResourceLoader resourceLoader
void setApplicationContext(ApplicationContext applicationContext) {
resourceLoader = applicationContext
}
def someAction() {
String path = "classpath:/ReadyOrdersFor-${vendor.name}"
File csvFile = resourceLoader.getResource(path).file
}
}
I'm not 100% sure the path value above is correct, you may need to remove the '/'