Update app.py

app.py

@@ -0,0 +1,94 @@
+import streamlit as st
+import folium
+from streamlit_folium import st_folium
+from geopy.geocoders import Nominatim
+from datetime import datetime
+
+# Initialize Geolocator
+geolocator = Nominatim(user_agent="geoapiExercises")
+
+# Streamlit App
+st.set_page_config(page_title="World Map Search", layout="wide")
+st.title("🌍 Interactive World Map Search")
+
+# Session states initialization
+if 'latitude' not in st.session_state:
+    st.session_state['latitude'] = 20.0
+if 'longitude' not in st.session_state:
+    st.session_state['longitude'] = 0.0
+if 'location_name' not in st.session_state:
+    st.session_state['location_name'] = ""
+
+# Date input (default today)
+default_date = datetime.utcnow().date()
+selected_date = st.text_input("Date (YYYY-MM-DD)", value=str(default_date))
+
+# Layout: 2 columns for inputs
+col1, col2, col3 = st.columns(3)
+
+with col1:
+    latitude = st.text_input("Latitude", value=str(st.session_state['latitude']))
+with col2:
+    longitude = st.text_input("Longitude", value=str(st.session_state['longitude']))
+with col3:
+    location_search = st.text_input("Search Location", value=st.session_state['location_name'])
+
+# Search button
+if st.button("Search"):
+    if location_search:
+        try:
+            location = geolocator.geocode(location_search)
+            if location:
+                st.session_state['latitude'] = location.latitude
+                st.session_state['longitude'] = location.longitude
+                st.success(f"Location found: {location.address}")
+            else:
+                st.error("Location not found. Try another keyword.")
+        except:
+            st.error("Error while searching the location.")
+    else:
+        try:
+            # If no search but lat/lon entered manually
+            lat = float(latitude)
+            lon = float(longitude)
+            location = geolocator.reverse((lat, lon))
+            if location:
+                st.session_state['location_name'] = location.address
+                st.success(f"Location updated to: {location.address}")
+            else:
+                st.warning("Coordinates valid, but no address found.")
+            st.session_state['latitude'] = lat
+            st.session_state['longitude'] = lon
+        except ValueError:
+            st.error("Invalid latitude or longitude input.")
+
+# Map
+st.subheader("Map View:")
+
+# Create Map
+m = folium.Map(location=[st.session_state['latitude'], st.session_state['longitude']], zoom_start=5)
+# Add marker
+folium.Marker(
+    [st.session_state['latitude'], st.session_state['longitude']],
+    popup=st.session_state['location_name'] or "Selected Location",
+    tooltip="Click for location",
+).add_to(m)
+
+# Display Map
+st_data = st_folium(m, width=1000, height=600)
+
+# Update lat/lon if user clicks on the map
+if st_data and st_data.get("last_clicked"):
+    clicked_lat = st_data["last_clicked"]["lat"]
+    clicked_lon = st_data["last_clicked"]["lng"]
+    st.session_state['latitude'] = clicked_lat
+    st.session_state['longitude'] = clicked_lon
+    try:
+        location = geolocator.reverse((clicked_lat, clicked_lon))
+        if location:
+            st.session_state['location_name'] = location.address
+        else:
+            st.session_state['location_name'] = ""
+    except:
+        st.session_state['location_name'] = ""
+    st.experimental_rerun()  # Rerun to update UI