Create app.py

app.py

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+import gradio as gr
+from datasets import load_dataset, Dataset
+from datetime import datetime
+import io
+import os
+
+# Load the datasets
+SCORES_DATASET = "agents-course/unit4-students-scores"
+CERTIFICATES_DATASET = "agents-course/course-certificates-of-excellence"
+THRESOLD SCORE = 45
+
+# Check the score based on username
+def check_user_score(username):
+    score_data = load_dataset(SCORES_DATASET, split="train", download_mode="force_redownload")
+    matches = [row for row in score_data if row["username"] == username]
+    return matches[0] if matches else None
+
+
+# Check if this user already generated a certificate
+def has_certificate_entry(username):
+    cert_data = load_dataset(CERTIFICATES_DATASET, split="train", download_mode="force_redownload")
+    return any(row["username"] == username for row in cert_data)
+
+
+def add_certificate_entry(username, name):
+    # Create a new entry
+    new_entry = {
+        "username": username,
+        "name": name,
+        "date": datetime.now().strftime("%Y-%m-%d"),
+    }
+
+    # Download the dataset, append and push
+    ds = load_dataset(CERTIFICATES_DATASET, split="train")
+    updated = ds.add_item(new_entry)
+    updated.push_to_hub(CERTIFICATES_DATASET)
+
+def generate_certificate(name, score):
+    pass
+
+
+def handle_certificate(name, request: gr.Request):
+    username = request.username
+
+    if not username:
+        return "You must be logged in with your Hugging Face account.", None
+
+    user_score = check_user_score(username)
+
+    if not user_score:
+        return "You need to complete Unit 4 first.", None
+
+    score = user_score["score"]
+
+    if score < THRESOLD SCORE:
+        return f"Your score is {score}. You need at least 65 to pass.", None
+
+    # Passed: check if already in certificate dataset
+    if not has_certificate_entry(username):
+        add_certificate_entry(username, name)
+
+    certificate = generate_certificate(name, score)
+    return "Congratulations! Here's your certificate:", certificate
+
+with gr.Blocks(auth=True) as demo:
+    gr.Markdown("# 🎓 Unit 4 Certificate Generator")
+    with gr.Row():
+        name_input = gr.Text(label="Enter your name")
+    generate_btn = gr.Button("Get my certificate")
+    output_text = gr.Textbox(label="Result")
+    cert_file = gr.File(label="Your Certificate", file_types=[".pdf"])
+
+    generate_btn.click(
+        fn=handle_certificate,
+        inputs=[name_input],
+        outputs=[output_text, cert_file]
+    )
+
+demo.launch()