From 52eb8072664a61ea61dbdbef7485d6c81dbbcfe9 Mon Sep 17 00:00:00 2001
From: Trygve Laugstøl <trygvis@inamo.no>
Date: Sun, 18 Oct 2015 18:10:20 +0200
Subject: o Dropping the app concept. o Switching to pg-promise to not get
 overloaded by callbacks.

---
 src/Diller.js | 101 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 101 insertions(+)
 create mode 100644 src/Diller.js

(limited to 'src/Diller.js')

diff --git a/src/Diller.js b/src/Diller.js
new file mode 100644
index 0000000..9a1de23
--- /dev/null
+++ b/src/Diller.js
@@ -0,0 +1,101 @@
+var DillerDao = require('./DillerDao');
+var pgp = require('pg-promise')();
+
+function Diller(config, log) {
+
+  function newValue(dao, device, property, value) {
+    log.info('new value for device ' + device.key + '/' + property.key + ' = ' + value, {
+      deviceId: device.id,
+      propertyId: property.id,
+      value: value
+    });
+
+    return dao.insertValue(property.id, value);
+  }
+
+  function newName(dao, device, property, name) {
+    log.info('New name for property ', device.key + '/' + property.key + '.name = ' + name);
+
+    return dao.updatePropertyName(property.id, name);
+  }
+
+  function newDescription(dao, device, property, description) {
+    log.info('New description for property ', device.key + '/' + property.key + '.description = ' + description);
+
+    return dao.updatePropertyDescription(property.id, description);
+  }
+
+  function onMessage(topic, message, payload) {
+    var parts = topic.split(/\//);
+
+    log.info('Processing message to ' + topic);
+
+    // /diller/5c:cf:7f:06:59:a5/sensors/temp-0/value
+
+    if (parts[3] == 'sensors') {
+      parts[3] = 'property';
+    }
+
+    if (parts.length != 6 || parts[1] != 'diller' || parts[3] != 'property') {
+      log.warn('no match: ', topic, parts);
+      return;
+    }
+
+    var device_key = parts[2];
+    var property_key = parts[4];
+    var msg_type = parts[5];
+
+    var f;
+    if (msg_type == 'value') {
+      f = newValue
+    } else if (msg_type == 'name') {
+      f = newName
+    } else if (msg_type == 'description') {
+      f = newDescription
+    }
+
+    if (!f) {
+      log.warn('Unknown message topic:', topic);
+      return;
+    }
+
+    return pgp(config.postgresqlConfig)
+      .tx(function (pg) {
+        var dao = new DillerDao(pg);
+
+        return dao.deviceByKey(device_key)
+          .then(function (device) {
+            return device || dao.insertDevice(device_key).then(function (device) {
+                log.info('New device created', {device_key: device_key, id: device.id});
+                return device;
+              });
+          })
+          .then(function (device) {
+            return dao.devicePropertyByDeviceIdAndKey(device.id, property_key).then(function (property) {
+              var ret = {device: device, property: property};
+              return (property && ret) || dao.insertDeviceProperty(device.id, property_key).then(function (p) {
+                  log.info('Created new device property', {id: p.id, key: p.key});
+                  ret.property = p;
+                  return ret;
+                });
+            });
+          })
+          .then(function (data) {
+            return f(dao, data.device, data.property, message.toString());
+          });
+      }).then(function (res) {
+        log.warn('success', res);
+      }, function (res) {
+        log.warn('fail', res);
+      });
+  }
+
+  return {
+    onMessage: onMessage
+  }
+}
+
+//noinspection JSUnresolvedVariable
+module.exports = {
+  Diller: Diller
+};
-- 
cgit v1.2.3