Brand new switch button and toast UI

src/util.py

@@ -1,5 +1,6 @@
 import re
-
+import subprocess
+import dashboard
 """
 Helper Functions
 """
@@ -79,3 +80,33 @@ def check_remote_endpoint(address):
     return (check_IP(address) or regex_match("(?:[a-z0-9](?:[a-z0-9-]{0,61}[a-z0-9])?\.)+[a-z][a-z]{0,61}[a-z]",
                                              address))
 
+
+def deletePeers(config_name, delete_keys, cur, db):
+    sql_command = []
+    wg_command = ["wg", "set", config_name]
+    for delete_key in delete_keys:
+        if delete_key not in dashboard.get_conf_peer_key(config_name):
+            return "This key does not exist"
+        sql_command.append("DELETE FROM " + config_name + " WHERE id = '" + delete_key + "';")
+        wg_command.append("peer")
+        wg_command.append(delete_key)
+        wg_command.append("remove")
+    try:
+        print("deleting...")
+        remove_wg = subprocess.check_output(" ".join(wg_command),
+                                            shell=True, stderr=subprocess.STDOUT)
+        save_wg = subprocess.check_output(f"wg-quick save {config_name}", shell=True, stderr=subprocess.STDOUT)
+        cur.executescript(' '.join(sql_command))
+        db.commit()
+    except subprocess.CalledProcessError as exc:
+        return exc.output.strip()
+    return "true"
+
+def checkJSONAllParameter(required, data):
+    if len(data) == 0:
+        print("length 0")
+        return False
+    for i in required:
+        if i not in list(data.keys()):
+            return False
+    return True