mailer/cli/send.ts

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import { Command } from '@cliffy/command/mod.ts'
import { Input } from '@cliffy/prompt/mod.ts'
import { Contact } from '../src/contact.ts'
import { send } from '../src/send.ts'
import type { Mail } from '../types.ts'
import { templates, templateType } from './_templates_loader.ts'
//TODO completions for "--from"
//TODO require sudo for "--from !== !me"
export const cmd = new Command()
.name('send')
.description('Send a mail.')
.type('template', templateType)
.option(
'-f, --from <account:string>',
'From mail account or short name from config.',
{ default: '!me' },
)
.option('-r, --recipient <recipient:string>', 'Recipient (to) of the mail.', {
required: true,
collect: true,
})
.option('--cc <recipient:string>', 'Copy carbon.', { collect: true })
.option('--cci <recipient:string>', 'Copy carbon invisible.', {
collect: true,
})
.option('-a, --attachments <file:file>', 'Attachments.', { collect: true })
.option('-t, --template <name:template>', 'HTML template from config', {
default: 'message',
})
.arguments('<subject:string>')
.action(
async ({ from, recipient, cc, cci, attachments, template }, subject) => {
const fromContact: Contact = await (async () => {
if (from === '!me') {
const whoami = new Deno.Command('whoami', {
stderr: 'inherit',
})
const { stdout } = await whoami.output()
const rawName = new TextDecoder().decode(stdout).trim()
const name = encodeURIComponent(rawName)
return new Contact({
name: `${name} de Cohabit`,
address: `_${name}_@cohabit.fr`,
})
}
if (from.startsWith('!')) {
//@ts-ignore try expand
return expand(from.slice(1))
}
return Contact.fromString(from)
})()
const selectedTemplate = templates.get(template)!
type Props = typeof selectedTemplate
const props: Partial<Props> = {}
for (const prop of selectedTemplate.props) {
if (prop.multiline) {
console.log(
`%c?%c ${prop.description} %c[end input with "!EOF" on a new line] %c`,
'color: yellow;',
'font-weight: bold',
'color: white',
'color: blue',
)
const decoder = new TextDecoder()
for await (const chunk of Deno.stdin.readable) {
const text = decoder.decode(chunk)
if (text.startsWith('!EOF\n')) {
break
}
//@ts-ignore TODO fix type inference
props[prop.tag] += text
}
//@ts-ignore TODO fix type inference
if (props[prop.tag].startsWith('undefined')) {
//@ts-ignore TODO fix type inference
props[prop.tag] = props[prop.tag].slice('undefined'.length)
}
} else {
const value = await Input.prompt({
message: prop.description,
})
//@ts-ignore TODO fix type inference
props[prop.tag] = value
}
}
const mail: Mail = {
from: fromContact,
to: recipient.map((to) => Contact.fromString(to)),
subject,
body: selectedTemplate.builder(props)!,
options: {
cc: cc?.map(Contact.fromString) ?? [],
cci: cci?.map(Contact.fromString) ?? [],
attachments: attachments ?? [],
},
}
await send(mail)
},
)