Added function for replying to a Quiz request from any platform

* The reply format is just regular HTML (text) which will help the
 originating user to choose if we can be it's crush

api/src/api/me.js

@@ -51,6 +51,20 @@ function quizParse(html, check) {
 	return items
 }
 
+function quizResponseBuild(quiz) {
+	var responses = quiz
+	if (quiz.id !== undefined)
+		responses = quiz.responses
+	if (responses === undefined ||
+		responses === null)
+		return false
+	html = '<p>'
+	for (var i = 0; i < responses.length; i++)
+		html += `${i+1}: ${responses[i]}<br>`
+	html += '</p>'
+	return html
+}
+
 async function quizCreate(content, from, to, replyTo) {
 	var quiz = quizParse(content)
 	if (quiz === false)
@@ -117,8 +131,58 @@ module.exports = {
 			return res.json(data)
 		}],
 		post: [auth.enforceSession, async (req, res) => {
-			console.log(req.body)
-			return res.json({})
+			if (req.body.quiz_id === undefined)
+				return res.json({ error: 'invalid_params' })
+
+			const quiz = await getQuizs(apID(res.locals.user.username),
+				{ id: req.body.quiz_id })
+			if ([false, undefined, null].includes(quiz))
+				return res.json({ error: 'invalid_params' })
+
+			if (quiz.responses !== undefined)
+				return res.json({ error: 'already_sent_quiz' })
+
+			var responses = []
+			for (var i = 0; i < quiz.content.length; i++) {
+				const q = quiz.content[i]
+				if (q.options.length > 0)
+					if (!q.options.includes(req.body['question_'+i]))
+						return res.json({ error: 'invalid_params' })
+				responses.push(req.body['question_'+i])
+			}
+			if (responses.length !== quiz.content.length)
+				return res.json({ error: 'invalid_params' })
+
+			await db.table.quizs().updateOne({ _id: quiz._id }, { $set: { responses } })
+			html = quizResponseBuild(responses)
+			if (html === false)
+				return res.json({ error: 'invalid_params' })
+
+			const id = utils.apRandomURL()
+			const actor = await apex.store.getObject(
+				apID(res.locals.user.username), true)
+			const payload = {
+				id: id+'#activity',
+				type: 'Create',
+				actor: actor.id,
+				to: quiz.from.url,
+				object: {
+					id,
+					type: 'Note',
+					content: html,
+					to: quiz.from.url,
+					attributedTo: actor.id,
+					inReplyTo: quiz.replyTo,
+					tag: [{
+						type: 'Mention',
+						href: quiz.from.url,
+						name: quiz.from.acct,
+					}],
+				},
+			}
+			await apex.addToOutbox(actor, payload)
+			await apex.store.saveObject(payload.object)
+			return res.json({ result: 1 })
 		}],
 	},
 	pending_follows: {

web/src/config/lang/en.php

@@ -52,6 +52,7 @@ $strings = [
 			'follow_pending' => 'This person has not yet accepted to be your crush',
 			'follow_rejected_max' => 'You have reached the limit of crush requests on this person',
 			'user_blocked_you' => 'We are sorry, this person rejected to be your crush. You will find another love soon!',
+			'already_sent_quiz' => 'Sorry, you can\'t send the Quiz again. It was already sent.',
 		],
 	],
 ];

web/src/config/lang/es.php

@@ -52,6 +52,7 @@ $strings = [
 			'follow_pending' => 'Esta persona todavía no ha aceptado ser tu crush',
 			'follow_rejected_max' => 'Has alcanzado el límite de peticiones de crush para esta persona',
 			'user_blocked_you' => 'Lo sentimos, esta persona ha rechazado ser su crush. ¡Encontrarás a otra persona pronto!',
+			'already_sent_quiz' => 'Lo siento, no puedes enviar este Quiz de nuevo. Ya ha sido enviado antes.',
 		],
 	],
 ];