Merge branch 'dev' into dev-server

alter-scripts/alter-1.0.0.py

@@ -0,0 +1,47 @@
+import os
+import pymysql
+import requests
+from io import BytesIO
+from os.path import splitext
+from django.core.files.storage import FileSystemStorage
+from decouple import config
+import django
+import sys
+
+sys.path.insert(0, 'path_to_mulearnbackend')
+os.environ.setdefault('DJANGO_SETTINGS_MODULE', 'mulearnbackend.settings')
+django.setup()
+
+
+def fetch_data(connection, query):
+    with connection.cursor() as cursor:
+        cursor.execute(query)
+        return cursor.fetchall()
+
+
+def save_image(user_id, url):
+    try:
+        response = requests.get(url)
+        response.raise_for_status()
+
+        extension = splitext(url)[-1].split("?")[0]
+        pic = BytesIO(response.content)
+        fs = FileSystemStorage()
+        filename = f"user/profile/{user_id}{extension}"
+        return fs.save(filename, pic)
+    except Exception as e:
+        print(e)
+
+
+if __name__ == "__main__":
+    db_config = {
+        'host': config('DATABASE_HOST'),
+        'user': config('DATABASE_USER'),
+        'password': config('DATABASE_PASSWORD'),
+        'db': config('DATABASE_NAME'),
+    }
+
+    with pymysql.connect(**db_config) as connection:
+        data = fetch_data(connection, "SELECT id, profile_pic FROM user WHERE profile_pic IS NOT NULL;")
+        for user_id, profile_pic in data:
+            img = save_image(user_id, profile_pic)