Refactor project DB functions.

The old db.project.list() function is now db.project.get()
and the old db.project.get() is not db.project.summary.get().

If a project does not exist, db.project.summary.get() now
throws a 404 rather than a database error.

lib/www/server/lib/db/project/get.js

@@ -1,16 +1,8 @@
-const { setSurvey } = require('../connection');
+const { setSurvey, pool } = require('../connection');
 
-async function get (projectId, opts = {}) {
-	const client = await setSurvey(projectId);
-
-	const text = `
-		SELECT *
-		FROM project_summary;
-	`;
-
-	const res = await client.query(text);
-	client.release();
-	return res.rows[0];
+async function get () {
+	const res = await pool.query("SELECT pid, name, schema FROM public.projects;");
+	return res.rows;
 }
 
 module.exports = get;

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

@@ -1,8 +1,8 @@
 
 module.exports = {
-	list: require('./list'),
 	get: require('./get'),
 	post: require('./post'),
 	put: require('./put'),
-	delete: require('./delete')
+	delete: require('./delete'),
+	summary: require('./summary'),
 }

lib/www/server/lib/db/project/list.js

@@ -1,8 +0,0 @@
-const { setSurvey, pool } = require('../connection');
-
-async function list () {
-	const res = await pool.query("SELECT * FROM public.projects;");
-	return res.rows;
-}
-
-module.exports = list;

lib/www/server/lib/db/project/summary/get.js

@@ -0,0 +1,24 @@
+const { setSurvey } = require('../../connection');
+
+async function get (projectId, opts = {}) {
+	try {
+		const client = await setSurvey(projectId);
+
+		const text = `
+			SELECT *
+			FROM project_summary;
+		`;
+
+		const res = await client.query(text);
+		client.release();
+		return res.rows[0];
+	} catch (err) {
+		if (err.code == "42P01") {
+			throw { status: 404, message: "Not found" };
+		} else {
+			throw err;
+		}
+	}
+}
+
+module.exports = get;

lib/www/server/lib/db/project/summary/index.js

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