Add API endpoint to retrieve a single shotpoint.

This will be used by the new event dialogue in the
frontend to get shotpoint information when creating
or editing events.

lib/www/server/api/index.js

@@ -119,6 +119,9 @@ app.map({
 	'/project/:project/sequence/:sequence': {
 		get: [ mw.sequence.get ],
 		patch: [ mw.auth.access.write, mw.sequence.patch ],
+		'/:point': {
+			get: [ mw.sequence.point.get ]
+		}
 	},
 
 	'/project/:project/plan/': {

lib/www/server/api/middleware/sequence/index.js

@@ -1,5 +1,7 @@
 module.exports = {
 	list: require('./list'),
 	get: require('./get'),
-	patch: require('./patch')
+	patch: require('./patch'),
+
+	point: require('./point')
 };

lib/www/server/api/middleware/sequence/point/get/geojson.js

@@ -0,0 +1,28 @@
+
+const { sequence } = require('../../../../../lib/db');
+
+module.exports = async function (req, res, next) {
+
+	try {
+		const feature = await sequence.point.get(req.params.project, req.params.sequence, req.params.point, req.query);
+
+		if (feature) {
+
+			const geojson = {
+				type: "Feature",
+				geometry: feature.geometry,
+				properties: {...feature}
+			};
+			delete geojson.properties.geometry;
+
+			res.status(200).send(geojson);
+		} else {
+			res.status(404).send();
+		}
+		next();
+	} catch (err) {
+		next(err);
+	}
+
+
+};

lib/www/server/api/middleware/sequence/point/get/index.js

@@ -0,0 +1,23 @@
+const json = require('./json');
+const geojson = require('./geojson');
+
+module.exports = async function (req, res, next) {
+	try {
+		const handlers = {
+			"application/json": json,
+			"application/geo+json": geojson,
+		};
+		
+		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/sequence/point/get/json.js

@@ -0,0 +1,20 @@
+
+const { sequence } = require('../../../../../lib/db');
+
+module.exports = async function (req, res, next) {
+
+	try {
+		const feature = await sequence.point.get(req.params.project, req.params.sequence, req.params.point, req.query)
+
+		if (feature) {
+			res.status(200).send(feature);
+		} else {
+			res.status(404).send();
+		}
+		next();
+	} catch (err) {
+		next(err);
+	}
+
+
+};

lib/www/server/api/middleware/sequence/point/index.js

@@ -0,0 +1,3 @@
+module.exports = {
+	get: require('./get')
+};

lib/www/server/lib/db/sequence/index.js

@@ -5,5 +5,7 @@ module.exports = {
 	post: require('./post'),
 	put: require('./put'),
 	patch: require('./patch'),
-	delete: require('./delete')
+	delete: require('./delete'),
+
+	point: require('./point')
 }

lib/www/server/lib/db/sequence/point/get.js

@@ -0,0 +1,34 @@
+const { setSurvey } = require('../../connection');
+const { project } = require('../../utils');
+
+async function get (projectId, sequence, point, opts = {}) {
+
+	const client = await setSurvey(projectId);
+
+	async function query (table='raw_shots') {
+		const text = `
+			SELECT
+				sequence, line, point, objref, tstamp, hash, ST_Transform(geometry, 4326)::json as geometry, meta
+			FROM ${table}
+			WHERE sequence = $1 and point = $2;
+		`;
+
+		const values = [sequence, point];
+		const res = await client.query(text, values);
+		return res.rows;
+	}
+
+	let res;
+
+	if (opts.kind=="final") {
+		res = project(await query("final_shots"), opts.project);
+	} else {
+		res = project(await query("raw_shots"), opts.project);
+	}
+
+	client.release();
+
+	return res[0];
+}
+
+module.exports = get;

lib/www/server/lib/db/sequence/point/index.js

@@ -0,0 +1,9 @@
+
+module.exports = {
+// 	list: require('./list'),
+	get: require('./get'),
+// 	post: require('./post'),
+// 	put: require('./put'),
+// 	patch: require('./patch'),
+// 	delete: require('./delete')
+}