restructuration du backend

préparation de l'intégration des modules suivants

code/backend_reconnaissance/manager.py

@@ -0,0 +1,44 @@
+from hand_detector import HandDetector
+from network import WebsocketServer
+import time
+
+class Manager():
+    def __init__(self):
+        self.state = 0
+        self.avis = {
+            "note": None,
+            "commentaire": None,
+            "notes_autres": {}
+        }
+        self.server = WebsocketServer(None)
+        self.server.start()
+        self.handDetector = HandDetector()
+        print("Backend ready")
+
+    def loop(self):
+        while(True):
+            if(self.state == 0):
+                self.sleep()
+            if(self.state == 1):
+                self.camera()
+
+            time.sleep(0.01)
+
+    def sleep(self):
+        res = self.handDetector.detect()
+        if(res != False):
+            self.state = 1
+            self.server.sendMessage({"type": "state", "state": 1})
+
+    def camera(self):
+        res = self.handDetector.detect()
+        if(res != False):
+            state, coords, size, finalDecision = res
+            self.server.sendMessage({"type": "effects", "effects": [{"type": state, "x":coords[0], "y": coords[1], "width": size, "height": size}]})
+            if(finalDecision != False):
+                self.avis["note"] = 10 if finalDecision == "thumbs_up" else 0
+                self.state = 2
+                self.server.sendMessage({"type": "state", "state": 2})
+
+        
+