add sortNetworksToAttach

Author: nunokisc

lib/tools.js

@@ -5,12 +5,36 @@ module.exports = {
 
     while (order.length !== serviceNames.length) {
       for (var serviceName of serviceNames) {
-        if(order.indexOf(serviceName) === -1) {
+        if (order.indexOf(serviceName) === -1) {
           insertService(serviceName, recipe.services[serviceName].depends_on || [], order)
         }
       }
     }
     return order;
+  },
+  'sortNetworksToAttach': function (networksToAttach) {
+    var networksToAttachSorted = [];
+    for (let i = 0; i < networksToAttach.length; i++) {
+      let networkName = Object.keys(networksToAttach[i]);
+      if (i === 0) {
+        networksToAttachSorted.push(networksToAttach[i])
+      } else {
+        let aux = 0;
+        for (let j = 0; j < networksToAttachSorted.length; j++) {
+          let networkNameSorted = Object.keys(networksToAttachSorted[j]);
+          if (networksToAttachSorted[j][networkNameSorted].priority > networksToAttach[i][networkName].priority) {
+            aux += j + 1;
+          } else if (networksToAttachSorted[j][networkNameSorted].priority < networksToAttach[i][networkName].priority) {
+            aux += j - 1;
+          } else {
+            aux += j + 1;
+          }
+        }
+        if (aux < 0) aux = 0;
+        networksToAttachSorted.splice(aux, 0, networksToAttach[i]);
+      }
+    }
+    return networksToAttachSorted
   }
 }