adding distance calculator

app.py

@@ -17,6 +17,7 @@ pages = {
         st.Page("apps/core_dump_page.py", title="Parse dump core"),
         st.Page("apps/import_physical_db.py", title="Physical Database Management"),
         st.Page("apps/gps_converter.py", title="GPS Converter"),
+        st.Page("apps/distance.py", title="Distance Calculator"),
     ],
     "Documentations": [
         st.Page("documentations/database_doc.py", title="Databases Documentation"),

apps/distance.py

@@ -0,0 +1,76 @@
+import pandas as pd
+import streamlit as st
+from geopy.distance import geodesic
+from st_aggrid import AgGrid
+
+
+class DataFrames:
+    Dframe = pd.DataFrame()
+
+
+st.title("Distance Calculator")
+
+st.write(
+    """This app allows you to calculate the distance between two points in a dataframe.
+    Please choose a file containing the latitude and longitude columns for the 2 points.
+                      """
+)
+
+uploaded_file = st.file_uploader(
+    "Upload Excel file",
+    type=["xlsx"],
+    accept_multiple_files=False,
+    help="Upload the Excel file containing the latitude and longitude columns for the 2 points",
+)
+
+if uploaded_file:
+    DataFrames.Dframe = pd.read_excel(uploaded_file, keep_default_na=False)
+
+    col1_list = DataFrames.Dframe.columns.tolist()
+    latitude1_dd = st.selectbox(
+        "Choose Latitude of point 1", col1_list, key="latitude1"
+    )
+    longitude1_dd = st.selectbox(
+        "Choose Longitude of point 1", col1_list, key="longitude1"
+    )
+    latitude2_dd = st.selectbox(
+        "Choose Latitude of point 2", col1_list, key="latitude2"
+    )
+    longitude2_dd = st.selectbox(
+        "Choose Longitude of point 2", col1_list, key="longitude2"
+    )
+
+    def calculate_distance(row):
+        coord1 = (row[latitude1_dd], row[longitude1_dd])
+        coord2 = (row[latitude2_dd], row[longitude2_dd])
+        return geodesic(coord1, coord2).kilometers
+
+    if st.button("CALCULATE DISTANCE", type="primary"):
+        try:
+            df = DataFrames.Dframe.copy()
+            df["distance"] = df.apply(calculate_distance, axis=1)
+            st.success("The distances are calculated successfully")
+            DataFrames.Dframe = df
+
+            @st.fragment
+            def table_data():
+                if DataFrames.Dframe is not None:
+                    AgGrid(
+                        DataFrames.Dframe,
+                        fit_columns_on_grid_load=True,
+                        theme="streamlit",
+                        enable_enterprise_modules=True,
+                        filter=True,
+                    )
+
+            table_data()
+
+        except Exception as e:
+            st.error(
+                f"An error occurred. Make sure the file contains the latitudes and longitudes columns. Error: {e}"
+            )
+
+else:
+    st.info(
+        "Please choose a file containing the latitude and longitude columns for the 2 points"
+    )

apps/gps_converter.py

@@ -8,7 +8,6 @@ class DataFrames:
     Dframe = pd.DataFrame()
 
 
-# def gps_converter_page():
 st.title("GPS Coordinate Converter")
 st.write(
     """This program allows you to convert coordinates from degree-minute-second (13°15'6.20"N) to decimal (13.2517222222222) and vice versa.
@@ -86,6 +85,3 @@ if uploaded_file is not None:
             )
 else:
     st.info("Please choose a file containing the latitude and longitude columns")
-
-
-# gps_converter_page()