From 276795079e2f463837e51689b05bc5f8b99acf4f Mon Sep 17 00:00:00 2001
From: Shawn A <spam@rumental.com>
Date: Wed, 9 Mar 2016 16:03:51 -0600
Subject: [PATCH 1/2] add remove duplicate ap feature fixes #26

---
 WiFiManager.cpp | 47 ++++++++++++++++++++++++++++++-----------------
 WiFiManager.h   |  3 ++-
 2 files changed, 32 insertions(+), 18 deletions(-)

diff --git a/WiFiManager.cpp b/WiFiManager.cpp
index 25f5823..fa4255a 100644
--- a/WiFiManager.cpp
+++ b/WiFiManager.cpp
@@ -390,37 +390,50 @@ void WiFiManager::handleWifi(boolean scan) {
       DEBUG_WM(F("No networks found"));
       page += F("No networks found. Refresh to scan again.");
     } else {
+      
       //sort networks
-      /*int indices[n];
-
-        for (int i = 0; i < n; i++) {
-        indices[i] = i;
-        }
-
-        for (int i = 0; i < n; i++) {
-        for (int j = i + 1; j < n; j++) {
-          if (WiFi.RSSI(indices[j]) > WiFi.RSSI(indices[i])) {
-            //int temp = indices[j];
-            //indices[j] = indices[i];
-            //indices[i] = temp;
-            std::swap(indices[i], indices[j]);
-          }
-        }
-        }
-      */
       int indices[n];
       for (int i = 0; i < n; i++) {
         indices[i] = i;
       }
 
+      // RSSI SORT
+
+      // old sort
+      // for (int i = 0; i < n; i++) {
+      //   for (int j = i + 1; j < n; j++) {
+      //     if (WiFi.RSSI(indices[j]) > WiFi.RSSI(indices[i])) {
+      //       //int temp = indices[j];
+      //       //indices[j] = indices[i];
+      //       //indices[i] = temp;
+      //       std::swap(indices[i], indices[j]);
+      //     }
+      //   }
+      // }
+
       std::sort(indices, indices + n, [](const int & a, const int & b) -> bool
       {
         return WiFi.RSSI(a) > WiFi.RSSI(b);
       });
 
+      // remove duplicates ( must be RSSI sorted )
+      if(_removeDupAps){
+        String cssid;
+        for (int i = 0; i < n; i++) {
+          if(indices[i] == -1) continue;
+          cssid = WiFi.SSID(indices[i]);
+          for (int j = i + 1; j < n; j++) {
+            if(cssid == WiFi.SSID(indices[j])){
+              DEBUG_WM("DUP AP: " + WiFi.SSID(indices[j]));
+              indices[j] = -1; // set dup aps to index -1
+            }
+          }  
+        }
+      }
 
       //display networks in page
       for (int i = 0; i < n; i++) {
+        if(indices[i] == -1) continue; // skip dups
         DEBUG_WM(WiFi.SSID(indices[i]));
         DEBUG_WM(WiFi.RSSI(indices[i]));
         int quality = getRSSIasQuality(WiFi.RSSI(indices[i]));
diff --git a/WiFiManager.h b/WiFiManager.h
index 0902e86..ed3f026 100644
--- a/WiFiManager.h
+++ b/WiFiManager.h
@@ -119,7 +119,7 @@ class WiFiManager
     //const int     WM_DONE                 = 0;
     //const int     WM_WAIT                 = 10;
 
-    //const String  HTTP_HEAD = "<!DOCTYPE html><html lang=\"en\"><head><meta name=\"viewport\" content=\"width=device-width, initial-scale=1\"/><title>{v}</title>";
+    //const Srting  HTTP_HEAD = "<!DOCTYPE html><html lang=\"en\"><head><meta name=\"viewport\" content=\"width=device-width, initial-scale=1\"/><title>{v}</title>";
 
     void          setupConfigPortal();
     void          startWPS();
@@ -141,6 +141,7 @@ class WiFiManager
 
     int           _paramsCount            = 0;
     int           _minimumQuality         = -1;
+    boolean       _removeDupAps           = true;
     boolean       _shouldBreakAfterConfig = false;
     boolean       _tryWPS                 = false;
 

From 745c3a91fd94e0748aed051b543b9c9fd0a5eb48 Mon Sep 17 00:00:00 2001
From: Shawn A <spam@rumental.com>
Date: Wed, 9 Mar 2016 16:13:16 -0600
Subject: [PATCH 2/2] typo, shrug

---
 WiFiManager.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/WiFiManager.h b/WiFiManager.h
index ed3f026..8848a8e 100644
--- a/WiFiManager.h
+++ b/WiFiManager.h
@@ -119,7 +119,7 @@ class WiFiManager
     //const int     WM_DONE                 = 0;
     //const int     WM_WAIT                 = 10;
 
-    //const Srting  HTTP_HEAD = "<!DOCTYPE html><html lang=\"en\"><head><meta name=\"viewport\" content=\"width=device-width, initial-scale=1\"/><title>{v}</title>";
+    //const String  HTTP_HEAD = "<!DOCTYPE html><html lang=\"en\"><head><meta name=\"viewport\" content=\"width=device-width, initial-scale=1\"/><title>{v}</title>";
 
     void          setupConfigPortal();
     void          startWPS();