Implement GET middleware for events.

Produces a choice of outputs: JSON, GeoJSON, Seis+JSON and HTML.

lib/www/server/api/middleware/event/get/geojson.js

@@ -0,0 +1,28 @@
+
+const { event } = require('../../../../lib/db');
+
+const geojson = async function (req, res, next) {
+	try {
+		const query = req.query;
+		query.sequence = req.params.sequence;
+		const events = await event.list(req.params.project, query);
+		const response = {
+			type: "FeatureCollection",
+			features: events.filter(event => event.geometry).map(event => {
+				const feature = {
+					type: "Feature",
+					geometry: event.geometry,
+					properties: event
+				};
+				delete feature.properties.geometry;
+				return feature;
+			})
+		};
+		res.status(200).send(response);
+		next();
+	} catch (err) {
+		next(err);
+	}
+}
+
+module.exports = geojson;

lib/www/server/api/middleware/event/get/html.js

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+const { event, sequence, configuration } = require('../../../../lib/db');
+const { transform } = require('../../../../lib/sse');
+const render = require('../../../../lib/render');
+
+const html = async function (req, res, next) {
+	try {
+		const query = req.query;
+		query.sequence = req.params.sequence;
+		const events = await event.list(req.params.project, query);
+		const sequences = await sequence.list(req.params.project, query);
+		const seis = transform(events, sequences, {projectId: req.params.project});
+		const templates = await configuration.get(req.params.project, "sse/templates");
+		const template = templates[0].template;
+		
+		const response = await render(seis, template);
+		res.status(200).send(response);
+		next();
+	} catch (err) {
+		next(err);
+	}
+};
+
+module.exports = html;

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

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+const json = require('./json');
+const geojson = require('./geojson');
+const seis = require('./seis');
+const html = require('./html');
+
+module.exports = async function (req, res, next) {
+	try {
+		const handlers = {
+			"application/json": json,
+			"application/geo+json": geojson,
+			"application/vnd.seis+json": seis,
+			"text/html": html,
+		};
+		
+		const mimetype = (handlers[req.query.mime] && req.query.mime) || req.accepts(Object.keys(handlers));
+		
+		if (mimetype) {
+			res.set("Content-Type", mimetype);
+			await handlers[mimetype](req, res, next);
+		} else {
+			res.status(406).send();
+			next();
+		}
+	} catch (err) {
+		next(err);
+	}
+}

lib/www/server/api/middleware/event/get/json.js

@@ -0,0 +1,16 @@
+
+const { event } = require('../../../../lib/db');
+
+const json = async function (req, res, next) {
+	try {
+		const query = req.query;
+		query.sequence = req.params.sequence;
+		const response = await event.list(req.params.project, query);
+		res.status(200).send(response);
+		next();
+	} catch (err) {
+		next(err);
+	}
+};
+
+module.exports = json;

lib/www/server/api/middleware/event/get/seis.js

@@ -0,0 +1,18 @@
+const { event, sequence } = require('../../../../lib/db');
+const { transform } = require('../../../../lib/sse');
+
+const seis = async function (req, res, next) {
+	try {
+		const query = req.query;
+		query.sequence = req.params.sequence;
+		const events = await event.list(req.params.project, query);
+		const sequences = await sequence.list(req.params.project, query);
+		const response = transform(events, sequences, {projectId: req.params.project});
+		res.status(200).send(response);
+		next();
+	} catch (err) {
+		next(err);
+	}
+};
+
+module.exports = seis;