Update app.py

app.py

@@ -1,20 +1,62 @@
 import streamlit as st
+import pandas as pd
+import random
+import numpy as np
 
 
-def show_main_settings():
-    st.write(f'Hi {st.session_state.query_params}')
+def build_dataframe(rows_count=100):
+    """
+    Creates columns with random data.
+    """
+    data = {
+        'impressions': np.random.randint(low=111, high=10000, size=rows_count),
+        'clicks': np.random.randint(low=0, high=1000, size=rows_count),
+        'customer': random.choices(['ShirtsInc', 'ShoesCom'], k=rows_count)
+    }
 
+    df = pd.DataFrame(data)
+    # add a date column and calculate the weekday of each row
+    df['date'] = pd.date_range(start='1/1/2018', periods=rows_count)
 
-def run_dash():
-    query_params = st.experimental_get_query_params()
-    st.session_state.query_params = query_params
+    return df
 
-    if 'id' in query_params:
-        show_main_settings()
-    else:
-        st.write('Malformed URL, missing id.')
-        st.write(query_params)
 
+data_df = build_dataframe()
 
-if __name__ == '__main__':
-    run_dash()
+query_params = st.experimental_get_query_params()
+# There is only one value for each parameter, retrieve the one at # # index 0
+username = query_params.get('username', None)[0]
+password = query_params.get('password', None)[0]
+view = query_params.get('view', None)[0]
+
+# Super basic (and not recommended) way to store the credentials
+# Just for illustrative purposes!
+credentials = {
+    'ShoesCom': 'shoespassword',
+    'ShirtsInc': 'shirtspassword'
+}
+
+logged_in = False
+
+# Check that the username exists in the "database" and that the provided password matches
+if username in credentials and credentials[username] == password:
+    logged_in = True
+
+if not logged_in:
+    # If credentials are invalid show a message and stop rendering the webapp
+    st.warning('Invalid credentials')
+    st.stop()
+
+available_views = ['report']
+if view not in available_views:
+    # I don't know which view do you want. Beat it.
+    st.warning('404 Error')
+    st.stop()
+# The username exists and the password matches!
+# Also, the required view exists
+# Show the webapp
+
+st.title('Streamlit routing dashboard')
+
+# IMPORTANT: show only the data of the logged in customer
+st.dataframe(data_df[data_df['customer'] == username])