Add basic global edit history API endpoint

app/src/api/api.ts

@@ -1,6 +1,7 @@
 import bodyParser from 'body-parser';
 import express from 'express';
 
+import * as editHistoryController from './controllers/editHistoryController';
 import buildingsRouter from './routes/buildingsRouter';
 import extractsRouter from './routes/extractsRouter';
 import usersRouter from './routes/usersRouter';
@@ -17,6 +18,8 @@ server.use('/buildings', buildingsRouter);
 server.use('/users', usersRouter);
 server.use('/extracts', extractsRouter);
 
+server.get('/history', editHistoryController.getGlobalEditHistory);
+
 // POST user auth
 server.post('/login', function (req, res) {
     authUser(req.body.username, req.body.password).then(function (user: any) { // TODO: remove any

app/src/api/controllers/editHistoryController.ts

@@ -0,0 +1,18 @@
+import express from 'express';
+
+import asyncController from "../routes/asyncController";
+import * as editHistoryService from '../services/editHistory';
+
+const getGlobalEditHistory = asyncController(async (req: express.Request, res: express.Response) => {
+    try {
+        const result = await editHistoryService.getGlobalEditHistory();
+        res.send(result);
+    } catch(error) {
+        console.error(error);
+        res.send({ error: 'Database error' });
+    }
+});
+
+export {
+    getGlobalEditHistory
+};

app/src/api/services/editHistory.ts

@@ -0,0 +1,21 @@
+import db from '../../db';
+
+async function getGlobalEditHistory() {
+    try {
+        return await db.manyOrNone(
+            `SELECT log_id as revision_id, forward_patch, reverse_patch, date_trunc('minute', log_timestamp), username, building_id
+            FROM logs, users
+            WHERE logs.user_id = users.user_id
+                AND log_timestamp >= now() - interval '21 days'
+            ORDER BY log_timestamp DESC`
+        );
+    } catch (error) {
+        console.error(error);
+        return [];
+    }
+}
+
+
+export {
+    getGlobalEditHistory
+};