mqtt moved to mqtt.js

2021-07-30 11:56:19 +03:00
parent b4b6e7f538
commit 676bf5f9c4
4 changed files with 249 additions and 171 deletions
--- a/src/db/devices.js
+++ b/src/db/devices.js
@@ -0,0 +1,72 @@
+
+var mysql = require('mysql');
+const env = process.env.NODE_ENV || 'development';
+const config = require(__dirname + '/../../config/config.json')[env];
+
+var pool  = mysql.createPool({
+  connectionLimit : 20,
+  host     : config.host,
+  user     : config.username,
+  password : config.password,
+  database : config.database
+});
+pool.on('acquire', function (connection) {
+    console.log('Connection %d acquired', connection.threadId);
+  });
+
+exports.findByName = function(deviceName, cb) {
+    process.nextTick(function() {
+        console.log("findByName(" +deviceName + "," + days +")" );
+        pool.getConnection(function(err, con) {
+        if (err) throw err; // not connected!
+        con.query("SELECT * FROM devices WHERE (name=? OR ? IS NULL) )", [deviceName, deviceName], (err, data) => {
+            con.release();
+            if (!err) {
+                cb(null, data);
+            } else {
+                cb(new Error('SQL Error: ' + err));
+            }
+        });
+        });
+    });
+}
+
+exports.insert = function(deviceName, baseurl, apikey,lastseen, cb){
+    var params = [deviceName, baseurl, apikey,lastseen];
+    let sql = `INSERT INTO devices (name,baseurl,apikey,lastseen,timestamp)
+    VALUES (?,?,?,?,NOW());`;
+    pool.getConnection(function(err, con) {
+      if (err) throw err; // not connected!
+        con.query(sql, params,(err, r) => {
+            con.release();
+            //if(!cb) {return;}
+            if (err) {
+                console.log("error: ", err);
+                cb && cb(new Error('SQL Error: ' + err));
+            }else{
+                console.log("inserted record: ", { id:  r.insertId});
+                cb && cb(null, { id: r.insertId, ...params });
+            }
+        });
+    });
+}
+
+exports.update = function(deviceName, baseurl, cb){
+    var params = [deviceName, baseurl, apikey,lastseen];
+    let sql = `INSERT INTO devices (name,baseurl,apikey,lastseen,timestamp)
+    VALUES (?,?,?,?,NOW());`;
+    pool.getConnection(function(err, con) {
+      if (err) throw err; // not connected!
+        con.query(sql, params,(err, r) => {
+            con.release();
+            //if(!cb) {return;}
+            if (err) {
+                console.log("error: ", err);
+                cb && cb(new Error('SQL Error: ' + err));
+            }else{
+                console.log("inserted record: ", { id:  r.insertId});
+                cb && cb(null, { id: r.insertId, ...params });
+            }
+        });
+    });
+}