From c28efc7e9d97032a7bd67ba0cc23150d1faf6bbb Mon Sep 17 00:00:00 2001
From: GotPPay <bilal@saburly.com>
Date: Wed, 25 Oct 2017 20:39:14 +0200
Subject: [PATCH] izmjena algoritma

---
 .vscode/launch.json | 14 +++++++++
 backend/.env        |  2 +-
 backend/app.js      | 73 +++++++++++++++++++++++++++++++++++++++++++--
 3 files changed, 85 insertions(+), 4 deletions(-)
 create mode 100644 .vscode/launch.json

diff --git a/.vscode/launch.json b/.vscode/launch.json
new file mode 100644
index 00000000..d6e74d64
--- /dev/null
+++ b/.vscode/launch.json
@@ -0,0 +1,14 @@
+{
+    // Use IntelliSense to learn about possible attributes.
+    // Hover to view descriptions of existing attributes.
+    // For more information, visit: https://go.microsoft.com/fwlink/?linkid=830387
+    "version": "0.2.0",
+    "configurations": [
+        {
+            "type": "node",
+            "request": "launch",
+            "name": "Launch Program",
+            "program": "${workspaceFolder}/backend/app.js"
+        }
+    ]
+}
\ No newline at end of file
diff --git a/backend/.env b/backend/.env
index f5d15c46..19703772 100644
--- a/backend/.env
+++ b/backend/.env
@@ -1,2 +1,2 @@
 PEOPLE_DB=https://docs.google.com/spreadsheets/d/1s4Ytz7mf-YpszVTMTTrYd5iG_dsTGjrCpDQbpIx7zkU/edit#gid=1116948122
-PAIRS_LIST=https://docs.google.com/spreadsheets/d/1gPuRhTry3YoJ_ibI2BfL1ue2_YLlhtW56OP39ADJY_4/edit#gid=0
+PAIRS_LIST=https://docs.google.com/spreadsheets/d/1gPuRhTry3YoJ_ibI2BfL1ue2_YLlhtW56OP39ADJY_4/edit
diff --git a/backend/app.js b/backend/app.js
index 7a8f53f9..0c2979e8 100644
--- a/backend/app.js
+++ b/backend/app.js
@@ -322,6 +322,70 @@ function MakePairs(callback){
   });
 }
 
+function MakePairsV2(callback){
+  executeAPI(getAvailableNames, function(names){
+    executeAPI(getPairs, function(pairs){
+      const AllPairs = [];
+      const BatchPairs = [];
+    
+      for(let i=0;i<names.length;i++){
+        for (let j=i+1;j<names.length;j++){
+          let exist = false;
+          pairs.filter((pair)=>{
+            if (((pair.name1 == names[i])&&(pair.name2 == names[j]))||((pair.name1==names[j])&&(pair.name2==names[i]))){
+              exist=true;
+              return;
+            }
+          });
+          if (!exist){
+            AllPairs.push({name1: names[i], name2: names[j]});
+          }
+        }
+      }
+      
+      while(AllPairs.length>0){
+
+        BatchPairs.push(AllPairs[0]);
+        
+        let tmpNames = [];
+        let indexToRemove = [];
+        
+        tmpNames.push(AllPairs[0].name1);
+        tmpNames.push(AllPairs[0].name2);
+
+        for (let i=0;i<AllPairs.length;i++){
+          if ((tmpNames.indexOf(AllPairs[i].name1)!=-1)||(tmpNames.indexOf(AllPairs[i].name2)!=-1)){
+            indexToRemove.push(i);
+          }
+        }
+            
+        
+        for(let i=indexToRemove.length-1; i>=0;i--){
+          AllPairs.splice(indexToRemove[i],1);
+        }
+          
+      }
+
+      
+      for(let i=0;i<BatchPairs.length;i++){
+        let index = names.indexOf(BatchPairs[i].name1);
+        if (index!=-1)
+          names.splice(index,1);
+        index = names.indexOf(BatchPairs[i].name2);
+        if (index!=-1)
+          names.splice(index,1);
+      }
+
+      if (names.length==0) names=null;
+
+
+      pairsForSave=BatchPairs;
+
+      callback.send({pairs: BatchPairs, left:names});
+    });
+  });
+}
+
 function SavePairs(callback){
   if (lastRow== null) {
     callback.send({result:true});
@@ -390,7 +454,11 @@ app.use(function(req, res, next) {
 app.get('/getPairs',(req,resp)=>{
   pairsForSave=[];
   lastRow=null;
-  MakePairs(resp);
+  MakePairsV2(resp);
+});
+
+app.get('/getAllPairs',(req,resp)=>{
+  MakePairsV2(resp);
 });
 
 app.get('/savePairs', (req,resp)=>{
@@ -398,7 +466,6 @@ app.get('/savePairs', (req,resp)=>{
   //resp.send({result:true});
 });
 
-
 app.listen(3005, function () {
-  console.log('Server running - port 3005');
+  console.log("Server running - Port 3005");
 })
\ No newline at end of file