Add Assignment 3 for Ibrahim Abdirashid

submissions/Ibrahim-Abdirashid/assignment3/catalog.py

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+# Ibrahim Abdirashid | Personal Movie Catalog - Add, List, Save Movies with OOP
+
+from dataclasses import dataclass
+from pathlib import Path
+
+
+@dataclass
+class CatalogItem:
+    """Represents a single movie in the catalog."""
+    title: str
+    year: int
+
+    def __str__(self):
+        """Return a readable string representation of the movie."""
+        return f"{self.title} ({self.year})"
+
+
+class Catalog:
+    """Manages a collection of catalog items (movies)."""
+
+    def __init__(self):
+        """Initialize an empty catalog."""
+        self.items = []
+
+    def add_item(self, item):
+        """Add a CatalogItem to the catalog."""
+        self.items.append(item)
+
+    def list_items(self):
+        """Print all items in the catalog in a readable format."""
+        if not self.items:
+            print("Catalog is empty.")
+        else:
+            for item in self.items:
+                print(f"  • {item}")
+
+
+def load_catalog(path, catalog):
+    """
+    Load catalog items from a file.
+    File format: title|year (one item per line)
+    Raises FileNotFoundError if file doesn't exist.
+    """
+    try:
+        with open(path, "r", encoding="utf-8") as file:
+            for line in file:
+                line = line.strip()
+                if line:  # Skip empty lines
+                    parts = line.split("|")
+                    if len(parts) == 2:
+                        title, year = parts
+                        try:
+                            item = CatalogItem(title=title, year=int(year))
+                            catalog.add_item(item)
+                        except ValueError:
+                            print(f"Warning: Skipping invalid year '{year}' for '{title}'")
+    except FileNotFoundError:
+        # File doesn't exist yet; start with empty catalog
+        pass
+
+
+def save_catalog(path, catalog):
+    """
+    Save catalog items to a file.
+    File format: title|year (one item per line)
+    """
+    with open(path, "w", encoding="utf-8") as file:
+        for item in catalog.items:
+            file.write(f"{item.title}|{item.year}\n")
+
+
+def main():
+    """Main menu loop for the catalog application."""
+    catalog_path = "catalog_data.txt"
+    catalog = Catalog()
+
+    # Load existing catalog from file
+    load_catalog(catalog_path, catalog)
+
+    print("=" * 50)
+    print("Welcome to your Personal Movie Catalog!")
+    print("=" * 50)
+
+    while True:
+        print("\n1) Add   2) List   3) Save   4) Quit")
+        choice = input("Pick: ").strip()
+
+        if choice == "1":
+            # Add a new movie
+            title = input("Title: ").strip()
+            year_input = input("Year: ").strip()
+            try:
+                year = int(year_input)
+                item = CatalogItem(title=title, year=year)
+                catalog.add_item(item)
+                print(f"✓ Added: {item}")
+            except ValueError:
+                print("Invalid year. Please enter a number.")
+
+        elif choice == "2":
+            # List all movies
+            print("\nYour Movies:")
+            catalog.list_items()
+
+        elif choice == "3":
+            # Save catalog to file
+            save_catalog(catalog_path, catalog)
+            print(f"✓ Saved {len(catalog.items)} movie(s) to {catalog_path}")
+
+        elif choice == "4":
+            # Quit (save first)
+            save_catalog(catalog_path, catalog)
+            print("Saved. Bye!")
+            break
+
+        else:
+            print("Invalid choice. Please pick 1, 2, 3, or 4.")
+
+
+if __name__ == "__main__":
+    main()

submissions/Ibrahim-Abdirashid/assignment3/catalog_data.txt

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+Love your self|2000