Add images to mock data script

Author: dagadam1

Diff for: .gitignore

@@ -2,6 +2,7 @@ backend/target
 backend/database.db
 backend/.env
 backend/screen-frontend-build
+backend/slide_images/*
 screen-frontend/node_modules
 screen-frontend/build
 # admin-frontend has its own .gitignore

Diff for: backend/.env

@@ -1 +1,3 @@
+# Paths relative to /backend
 DATABASE_URL=database.db
+IMAGE_PATH=slide_images

Diff for: backend/scripts/mock_data.py

@@ -2,24 +2,40 @@
 import uuid
 import random
 from datetime import datetime, timedelta
+import requests
+from dotenv import load_dotenv
+import sys
+import os
+
+load_dotenv()
 
 def create_mock_slides(db_path: str, count: int):
     conn = sqlite3.connect(db_path)
     cursor = conn.cursor()
 
-    filetypes = ["jpg", "png", "gif", "mp4"]
     now = datetime.utcnow()
 
     slides = []
     for i in range(count):
         slide_id = str(uuid.uuid4())
+        
+        try:
+            image_path = f"../{os.environ['IMAGE_PATH']}/{slide_id}.jpg"
+        except KeyError:
+            sys.exit("Error: IMAGE_DIR environment variable is not set.")
+        
+        # Get random image from picsum.photos    
+        image = requests.get(f"https://picsum.photos/1920/1080").content
+            
+        with open(image_path, "wb") as image_file:
+            image_file.write(image)
+            
         caption = f"Slide nr. {i}!"
         start_date = now + timedelta(days=random.randint(-10, 10))
         end_date = start_date + timedelta(days=random.randint(1, 10))
         active = random.choice([True, False])
-        filetype = random.choice(filetypes)
 
-        slides.append((slide_id, caption, start_date, end_date, active, filetype))
+        slides.append((slide_id, caption, start_date, end_date, active, "jpg"))
 
     cursor.executemany("""
         INSERT INTO slides (id, caption, start_date, end_date, active, filetype)