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| import streamlit as st | |
| import pandas as pd | |
| from PIL import Image | |
| import io | |
| # Sample data storage (replace with a database in production) | |
| if 'recommendations' not in st.session_state: | |
| st.session_state.recommendations = pd.DataFrame(columns=["User", "Category", "Place", "Description", "Upvotes", "Photo"]) | |
| if 'users' not in st.session_state: | |
| st.session_state.users = {} | |
| if 'rewards' not in st.session_state: | |
| st.session_state.rewards = {} | |
| # Page configuration | |
| st.set_page_config(page_title="VisitNairobiNow", page_icon="🌍", layout="wide") | |
| # Sidebar for About Us and Help | |
| st.sidebar.title("About VisitNairobiNow") | |
| st.sidebar.write(""" | |
| **VisitNairobiNow** is a community-driven platform where users can share their favorite travel experiences in Nairobi and earn rewards for their contributions. | |
| Explore hidden gems, connect with fellow travelers, and make the most of your Nairobi adventure! | |
| """) | |
| st.sidebar.write("---") | |
| st.sidebar.header("Help") | |
| st.sidebar.write(""" | |
| - **How to Submit a Recommendation**: Log in, fill out the form, and upload a photo. | |
| - **Earn Rewards**: Get upvotes on your recommendations to earn points. | |
| - **Redeem Rewards**: Use your points for discounts and exclusive deals. | |
| """) | |
| # User authentication in the sidebar | |
| st.sidebar.header("Login / Sign Up") | |
| if 'current_user' not in st.session_state: | |
| # Login | |
| username = st.sidebar.text_input("Username") | |
| password = st.sidebar.text_input("Password", type="password") | |
| if st.sidebar.button("Login"): | |
| if username in st.session_state.users and st.session_state.users[username] == password: | |
| st.session_state.current_user = username | |
| st.sidebar.success(f"Logged in as {username}") | |
| else: | |
| st.sidebar.error("Invalid username or password") | |
| # Sign Up | |
| st.sidebar.write("Don't have an account? Sign up below!") | |
| new_username = st.sidebar.text_input("Create Username", key="new_username") | |
| new_password = st.sidebar.text_input("Create Password", type="password", key="new_password") | |
| if st.sidebar.button("Sign Up"): | |
| if new_username in st.session_state.users: | |
| st.sidebar.error("Username already exists") | |
| else: | |
| # Add new user to the users dictionary | |
| st.session_state.users[new_username] = new_password | |
| st.session_state.rewards[new_username] = 0 | |
| # Automatically log in the new user | |
| st.session_state.current_user = new_username | |
| st.sidebar.success("Account created! You are now logged in.") | |
| else: | |
| st.sidebar.write(f"Logged in as: **{st.session_state.current_user}**") | |
| if st.sidebar.button("Logout"): | |
| del st.session_state.current_user | |
| st.experimental_rerun() | |
| # Main app functionality | |
| if 'current_user' in st.session_state: | |
| st.title("🌍 VisitNairobiNow") | |
| st.write("Share your favorite places in Nairobi and earn rewards!") | |
| # Tabs for navigation | |
| tab1, tab2, tab3 = st.tabs(["Home", "Submit Recommendation", "Your Rewards"]) | |
| # Home Tab (Instagram-like UI) | |
| with tab1: | |
| st.header("Explore Recommendations") | |
| if not st.session_state.recommendations.empty: | |
| for index, row in st.session_state.recommendations.iterrows(): | |
| col1, col2 = st.columns([1, 3]) | |
| with col1: | |
| if row["Photo"] is not None: | |
| st.image(row["Photo"], caption=row["Place"], use_container_width=True) # Updated parameter | |
| with col2: | |
| st.subheader(row["Place"]) | |
| st.write(f"**Category:** {row['Category']}") | |
| st.write(f"**Description:** {row['Description']}") | |
| st.write(f"**Recommended by:** {row['User']}") | |
| st.write(f"**Upvotes:** {row['Upvotes']}") | |
| if st.button(f"Upvote 👍 ({row['Upvotes']})", key=f"upvote_{index}"): | |
| st.session_state.recommendations.at[index, "Upvotes"] += 1 | |
| st.session_state.rewards[row["User"]] += 1 # Reward the user | |
| st.experimental_rerun() | |
| st.write("---") | |
| else: | |
| st.write("No recommendations yet. Be the first to share!") | |
| # Submit Recommendation Tab | |
| with tab2: | |
| st.header("Submit a Recommendation") | |
| category = st.selectbox("Category", ["Destination", "Restaurant", "Activity", "Accommodation"]) | |
| place = st.text_input("Place Name") | |
| description = st.text_area("Description") | |
| photo = st.file_uploader("Upload a Photo", type=["jpg", "jpeg", "png"]) | |
| if st.button("Submit Recommendation"): | |
| if place and description: | |
| # Save the photo as bytes | |
| photo_bytes = None | |
| if photo is not None: | |
| photo_bytes = io.BytesIO(photo.read()) | |
| new_recommendation = { | |
| "User": st.session_state.current_user, | |
| "Category": category, | |
| "Place": place, | |
| "Description": description, | |
| "Upvotes": 0, | |
| "Photo": photo_bytes | |
| } | |
| # Use pd.concat instead of append | |
| st.session_state.recommendations = pd.concat( | |
| [st.session_state.recommendations, pd.DataFrame([new_recommendation])], | |
| ignore_index=True | |
| ) | |
| st.success("Recommendation submitted!") | |
| else: | |
| st.error("Please fill in all fields.") | |
| # Your Rewards Tab | |
| with tab3: | |
| st.header("Your Rewards") | |
| st.write(f"**Total Rewards:** {st.session_state.rewards.get(st.session_state.current_user, 0)} points") | |
| st.write("Earn more by submitting recommendations and getting upvotes!") | |
| else: | |
| st.warning("Please log in or sign up to access the platform.") | |