From db25878fdd8ab969e243ed115d96fd714073c05a Mon Sep 17 00:00:00 2001
From: "D. Berge" <dberge@aaltronav.eu>
Date: Wed, 9 Sep 2020 15:55:04 +0200
Subject: [PATCH] Add `info` API endpoint.

It queries a project's `info` table.
---
 lib/www/server/api/index.js                  |  4 +++
 lib/www/server/api/middleware/index.js       |  3 +-
 lib/www/server/api/middleware/info/delete.js |  0
 lib/www/server/api/middleware/info/get.js    | 18 ++++++++++++
 lib/www/server/api/middleware/info/index.js  |  8 ++++++
 lib/www/server/api/middleware/info/list.js   |  0
 lib/www/server/api/middleware/info/post.js   |  0
 lib/www/server/api/middleware/info/put.js    |  0
 lib/www/server/lib/db/index.js               |  1 +
 lib/www/server/lib/db/info/delete.js         |  0
 lib/www/server/lib/db/info/get.js            | 30 ++++++++++++++++++++
 lib/www/server/lib/db/info/index.js          |  7 +++++
 lib/www/server/lib/db/info/post.js           |  0
 lib/www/server/lib/db/info/put.js            |  0
 14 files changed, 70 insertions(+), 1 deletion(-)
 create mode 100644 lib/www/server/api/middleware/info/delete.js
 create mode 100644 lib/www/server/api/middleware/info/get.js
 create mode 100644 lib/www/server/api/middleware/info/index.js
 create mode 100644 lib/www/server/api/middleware/info/list.js
 create mode 100644 lib/www/server/api/middleware/info/post.js
 create mode 100644 lib/www/server/api/middleware/info/put.js
 create mode 100644 lib/www/server/lib/db/info/delete.js
 create mode 100644 lib/www/server/lib/db/info/get.js
 create mode 100644 lib/www/server/lib/db/info/index.js
 create mode 100644 lib/www/server/lib/db/info/post.js
 create mode 100644 lib/www/server/lib/db/info/put.js

diff --git a/lib/www/server/api/index.js b/lib/www/server/api/index.js
index e5e485c..eaac96a 100644
--- a/lib/www/server/api/index.js
+++ b/lib/www/server/api/index.js
@@ -125,6 +125,10 @@ app.map({
 		get: [ mw.configuration.get ],
 // 		post: [ mw.label.post ],
 	},
+	'/project/:project/info/:path(*)': {
+		get: [ mw.info.get ],
+// 		post: [ mw.info.post ],
+	},
 //
 // 	'/project/:id/permissions/:mode(read|write)?': {
 // 		get: [ mw.permissions.get ],
diff --git a/lib/www/server/api/middleware/index.js b/lib/www/server/api/middleware/index.js
index 8d98152..70a65f4 100644
--- a/lib/www/server/api/middleware/index.js
+++ b/lib/www/server/api/middleware/index.js
@@ -8,5 +8,6 @@ module.exports = {
 	gis: require('./gis'),
 	label: require('./label'),
 	navdata: require('./navdata'),
-	configuration: require('./configuration')
+	configuration: require('./configuration'),
+	info: require('./info')
 };
diff --git a/lib/www/server/api/middleware/info/delete.js b/lib/www/server/api/middleware/info/delete.js
new file mode 100644
index 0000000..e69de29
diff --git a/lib/www/server/api/middleware/info/get.js b/lib/www/server/api/middleware/info/get.js
new file mode 100644
index 0000000..195bfae
--- /dev/null
+++ b/lib/www/server/api/middleware/info/get.js
@@ -0,0 +1,18 @@
+
+const { info } = require('../../../lib/db');
+
+module.exports = async function (req, res, next) {
+
+	try {
+		res.status(200).json(await info.get(req.params.project, req.params.path, req.query));
+	} catch (err) {
+		if (err instanceof TypeError) {
+			res.status(404).json(null);
+		} else {
+			next(err);
+			return;
+		}
+	}
+	next();
+
+};
diff --git a/lib/www/server/api/middleware/info/index.js b/lib/www/server/api/middleware/info/index.js
new file mode 100644
index 0000000..1b5fb45
--- /dev/null
+++ b/lib/www/server/api/middleware/info/index.js
@@ -0,0 +1,8 @@
+
+module.exports = {
+	list: require('./list'),
+	get: require('./get'),
+	post: require('./post'),
+	put: require('./put'),
+	delete: require('./delete')
+}
diff --git a/lib/www/server/api/middleware/info/list.js b/lib/www/server/api/middleware/info/list.js
new file mode 100644
index 0000000..e69de29
diff --git a/lib/www/server/api/middleware/info/post.js b/lib/www/server/api/middleware/info/post.js
new file mode 100644
index 0000000..e69de29
diff --git a/lib/www/server/api/middleware/info/put.js b/lib/www/server/api/middleware/info/put.js
new file mode 100644
index 0000000..e69de29
diff --git a/lib/www/server/lib/db/index.js b/lib/www/server/lib/db/index.js
index 5a65e15..543c295 100644
--- a/lib/www/server/lib/db/index.js
+++ b/lib/www/server/lib/db/index.js
@@ -7,5 +7,6 @@ module.exports = {
 	gis: require('./gis'),
 	label: require('./label'),
 	configuration: require('./configuration'),
+	info: require('./info'),
 	navdata: require('./navdata')
 };
diff --git a/lib/www/server/lib/db/info/delete.js b/lib/www/server/lib/db/info/delete.js
new file mode 100644
index 0000000..e69de29
diff --git a/lib/www/server/lib/db/info/get.js b/lib/www/server/lib/db/info/get.js
new file mode 100644
index 0000000..2710759
--- /dev/null
+++ b/lib/www/server/lib/db/info/get.js
@@ -0,0 +1,30 @@
+const { setSurvey } = require('../connection');
+
+async function get (projectId, path, opts = {}) {
+	const client = await setSurvey(projectId);
+	const [key, ...subkey] = path.split("/");
+
+	const text = `
+		SELECT value
+		FROM info
+		WHERE key = $1;
+	`;
+
+	console.log("k, sk", key, subkey);
+	const res = await client.query(text, [key]);
+	client.release();
+
+	const value = res.rows[0] && res.rows[0].value;
+
+	if (subkey.length) {
+		console.log("Reducing value");
+		const res = subkey.reduce( (obj, idx) => typeof obj != "undefined" ? obj[idx] : obj, value);
+		console.log(res);
+		return res;
+	} else {
+		console.log("Returning value");
+		return value;
+	}
+}
+
+module.exports = get;
diff --git a/lib/www/server/lib/db/info/index.js b/lib/www/server/lib/db/info/index.js
new file mode 100644
index 0000000..ab357e0
--- /dev/null
+++ b/lib/www/server/lib/db/info/index.js
@@ -0,0 +1,7 @@
+
+module.exports = {
+	get: require('./get'),
+	post: require('./post'),
+	put: require('./put'),
+	delete: require('./delete')
+}
diff --git a/lib/www/server/lib/db/info/post.js b/lib/www/server/lib/db/info/post.js
new file mode 100644
index 0000000..e69de29
diff --git a/lib/www/server/lib/db/info/put.js b/lib/www/server/lib/db/info/put.js
new file mode 100644
index 0000000..e69de29