adaugat lab4 si lab5

Signed-off-by: hellisabove <robertnedela15@gmail.com>

lab4/app/model/sensors.py

@@ -0,0 +1,36 @@
+"""
+Data model for IoT sensors.
+"""
+import os, json
+
+iot_data = {
+  "ext_temp": 0,
+  "int_temp": 0,
+  "ext_hum": 0,
+  "int_hum": 0,
+  "rain": 0
+}
+DATA_FILE = "/home/nedi/iap1-labs/lab4/iot_data.json"
+
+def load_data(path):
+    if os.path.exists(path):
+        with open(path, "r") as f:
+            stored = json.load(f)
+        for key in set(iot_data.keys()):
+            if key in stored:
+                iot_data[key] = stored[key]
+
+load_data("/home/nedi/iap1-labs/lab4/iot_data.json")
+
+def save_data(path):
+    with open(path, "w") as f:
+        json.dump(iot_data, f, indent=2)
+
+def fetch_iot_data():
+    return iot_data
+
+
+def set_iot_data(data):
+    # TODO: update the dictionary with the new data
+    iot_data.update(data)
+    pass