WIP -- handle state change requests

lib/plugins.js

@@ -121,7 +121,7 @@ function loadOrConfigPlugin(pluginHandle, pluginType, currency,
       pluginHandle = loadPlugin(currentName, pluginConfig);
       currentlyUsedPlugins[pluginType] = currentName
       logger.debug('plugin(%s) loaded: %s', pluginType, pluginHandle.NAME ||
-        currentName);        
+        currentName);
     }
   }
 
@@ -317,6 +317,17 @@ exports.trade = function trade(session, rawTrade, cb) {
   ], cb);
 };
 
+exports.stateChange = function stateChange(session, rec, cb) {
+  var rec = {
+    id: rec.uuid,
+    fingerprint: session.fingerprint,
+    eventType: 'stateChange',
+    note: JSON.stringify({state: rec.state, sessionId: session.id}),
+    deviceTime: rec.deviceTime
+  }
+  db.machineEvent(rec, cb)
+};
+
 exports.sendBitcoins = function sendBitcoins(session, rawTx, cb) {
   executeTx(session, rawTx, 'machine', cb);
 };

lib/postgresql_interface.js

@@ -1,4 +1,3 @@
-/* @flow weak */
 'use strict';
 
 // TODO: Consider using serializable transactions for true ACID
@@ -514,6 +513,19 @@ exports.cartridgeCounts = function cartridgeCounts(session, cb) {
   });
 };
 
+exports.machineEvent = function machineEvent(rec, cb) {
+  connect(function(cerr, client, done) {
+    if (cerr) return cb(cerr);
+    var sql = 'insert into machine_events (id, device_fingerprint, event_type, note, device_time) ' +
+      'VALUES (?, ?, ?, ?, ?)';
+    var values = [rec.id, rec.fingerprint, rec.eventType, rec.note, rec.deviceTime]
+    query(client, sql, values, function(err, results) {
+      done();
+      return cb(err, results);
+    });
+  });
+};
+
 /*
 exports.init('postgres://lamassu:lamassu@localhost/lamassu');
 connect(function(err, client, done) {

lib/routes.js

@@ -87,6 +87,12 @@ function trade(req, res) {
   });
 }
 
+function stateChange(req, res) {
+  plugins.stateChange(session(req), req.body, function(err) {
+    res.json(200)
+  })
+}
+
 function send(req, res) {
   plugins.sendBitcoins(session(req), req.body, function(err, status) {
     // TODO: use status.statusCode here after confirming machine compatibility
@@ -189,6 +195,7 @@ function init(localConfig) {
   app.get('/poll', authMiddleware, reloadConfigMiddleware, poll);
 
   app.post('/trade', authMiddleware, trade);
+  app.post('/state', authMiddleware, stateChange);
   app.post('/send', authMiddleware, send);
 
   app.post('/cash_out', authMiddleware, cashOut);