Add YAML support to events GET endpoint

lib/www/server/api/middleware/event/list/index.js

@@ -1,12 +1,15 @@
 const json = require('./json');
+const yaml = require('./yaml');
 const geojson = require('./geojson');
 const seis = require('./seis');
 const csv = require('./csv');
 
+
 module.exports = async function (req, res, next) {
 	try {
 		const handlers = {
 			"application/json": json,
+			"application/yaml": yaml,
 			"application/geo+json": geojson,
 			"application/vnd.seis+json": seis,
 			"text/csv": csv

lib/www/server/api/middleware/event/list/yaml.js

@@ -0,0 +1,14 @@
+const YAML = require('yaml');
+const { event } = require('../../../../lib/db');
+
+const yaml = async function (req, res, next) {
+	try {
+		const response = await event.list(req.params.project, req.query);
+		res.status(200).send(YAML.stringify(response));
+		next();
+	} catch (err) {
+		next(err);
+	}
+};
+
+module.exports = yaml;