socket

main.py

@@ -1,5 +1,5 @@
 import queue
-from flask import Flask, render_template, request, make_response
+from flask import Flask, render_template, request, make_response, flash
 from flask_socketio import SocketIO #https://pythonprogramminglanguage.com/python-flask-websocket/
 import sqlite3
 import time
@@ -37,7 +37,7 @@ def list():
     return '<form action="/list/user" method="get"> Search for User: <input name="user"><input type="submit"></form> <form action="/adduser" method="get"><button type="submit">Add User</button></form> <br></br>' + text 
 
 @app.route("/list/user", methods=['GET'])
-def user():
+def user_info():
     username = request.args.get("user")
     c.execute("SELECT * FROM users WHERE username = '%s'" % username)
     user = c.fetchall()
@@ -89,28 +89,36 @@ def get_addtag_request():
     except:  #except im Normalen Code!
         return "Wrong user id!"
     users.put(user_id)
+    print(f"put: {len(users.queue)}")
     return render_template("addtag.html", user=user_id)
 
 @socketio.on('addtag')
 def request_addtag(data):
     global finished
+    print(f"add tag: {len(users.queue)}")
     if len(users.queue) > 0:
         user = users.queue[len(users.queue) - 1]
         if user == data["data"]:
             socketio.emit("wait", "wait")
             i = 0
             while finished != data["data"]:
+                print("waiting")
                 time.sleep(1)
                 i += 1
                 if i > 20:
+                    print("timeout")
                     socketio.emit("error", "timeout")
                     nothing = users.get()
-                    pass
-            c.execute(f"SELECT * FROM users WHERE id ={user}")
-            username = c.fetchall()[0][1]
-            c.execute(f"SELECT * FROM tags WHERE userid={user}")
-            tag_id = c.fetchall()[0][0]
-            socketio.emit("finished", f"Added {tag_id} to {username}")
+                    print(f"nothing: {nothing}")
+                    print("cleared")
+                    break
+            else:
+                finished = None
+                c.execute(f"SELECT * FROM users WHERE id ={user}")
+                username = c.fetchall()[0][1]
+                c.execute(f"SELECT * FROM tags WHERE userid={user}")
+                tag_id = c.fetchall()[0][0]
+                socketio.emit("finished", f"Added {tag_id} to {username}")
         else:
             socketio.emit("busy", "busy")
     else:
@@ -119,7 +127,6 @@ def request_addtag(data):
 #api
 @app.route("/api/tag_id", methods=['GET'])
 def get_id():
-    global users
     global finished
     tag_id = int(request.args.get("id"))
     c.execute(f"SELECT * FROM tags WHERE tagid ={tag_id}")
@@ -143,4 +150,3 @@ def get_id():
 def main():
     atexit.register(exit_handler)
     socketio.run(app, host='0.0.0.0', port=5000)
-

templates/addtag.html

@@ -12,7 +12,7 @@
             socket.emit('addtag', {data: user})
         });
         socket.on("wait", function(){
-            document.write('<p>wait</p>')
+            document.write('<p>Pleas hold your tag on to the nfc reader</p>')
         });
         socket.on("error", function(data) {
             alert(data)