initial: add app.py

app.py

@@ -0,0 +1,116 @@
+import pandas as pd
+import gradio as gr
+
+ADMIN_USERNAME = "admin"
+ADMIN_PASSWORD = "adminpassword"
+
+sheets = pd.DataFrame()
+# Function to handle file upload by the admin
+def update_data(excel_file):
+    global sheets
+    sheets = pd.read_excel(excel_file, sheet_name=None)  # Read the uploaded file
+    if ("timesheet_all" not in sheets) | ("employee_authentication" not in sheets):
+        raise gr.Error(
+            "the excel file must contain the following sheets ['timesheet_all', 'employee_authentication']"
+        )
+    else:
+        gr.Info(f"Data updated successfully")
+        
+# Function to display a list of usernames
+def list_usernames():        
+    if type(sheets) == dict:
+        data = sheets["employee_authentication"]
+        usernames = data['ชื่อ-สกุลพนักงาน'].unique()
+        # Display usernames in an HTML table for easy copying
+        html_content = "<h4>Available Usernames:</h4><ul>"
+        for username in usernames:
+            html_content += f"<li>{username}</li>"
+        html_content += "</ul>"
+        return html_content
+    else:
+        return "No data available. Please wait for the admin to upload data."
+    
+def authenticate(input_username, input_password):
+    auth_data = sheets["employee_authentication"]
+    if input_username not in set(auth_data["ชื่อ-สกุลพนักงาน"]):
+        raise gr.Warning(
+            "Can not find the specified employee name in the authenticate data"
+        )
+    true_password = auth_data.loc[
+        auth_data["ชื่อ-สกุลพนักงาน"] == input_username, "password"
+    ].values[0]
+    return true_password == input_password  # Simplified for this example
+
+
+def show_employee_data(username, password):
+    data = sheets["timesheet_all"]
+    if authenticate(username, password):
+        if not data.empty:
+            # Filter data for the logged-in user
+            employee_data = data[data["ชื่อ-สกุลพนักงาน"] == username]
+            if not employee_data.empty:
+                return employee_data
+            else:
+                raise gr.Error("No data available for this user.")
+        else:
+            raise gr.Error("No data uploaded by admin.")
+    else:
+        gr.Warning("Invalid username or password.")
+        
+# Create the Gradio interface
+with gr.Blocks() as demo:
+    
+    # create admin tab
+    with gr.Tab("Admin Interface"):
+        with gr.Group():
+            gr.Markdown("### Admin Login")
+            login_inputs = [gr.Textbox(label="Username"), gr.Textbox(label="Password")]
+            login_button = gr.Button("Log in")
+            
+            # File upload section (initially hidden)
+            with gr.Group(visible=False) as upload_group:
+                gr.Markdown("### Upload Data")
+                upload_inputs = [gr.File(label="Upload Excel File")]
+                upload_button = gr.Button("Upload")
+                
+                upload_button.click(update_data, inputs=upload_inputs)  
+                
+            # Function for Admin login
+            def admin_login(username, password):
+                global admin_authenticated
+                if username == ADMIN_USERNAME and password == ADMIN_PASSWORD:
+                    admin_authenticated = True
+                    gr.Info("Login successful. You can now upload data.")
+                    return {
+                        upload_group: gr.Group(visible=True),
+                    }
+                else:
+                    admin_authenticated = False
+                    raise gr.Error("Invalid username or password.")
+            
+            # Link the login button to the validation function
+            login_button.click(
+                fn=admin_login,
+                inputs=login_inputs,
+                outputs=[upload_group]
+            )
+            
+             # Link the upload button to the file upload function
+            upload_button.click(
+                fn=update_data,
+                inputs=upload_inputs,
+            )
+
+    with gr.Tab("Employee Interface"):
+        with gr.Tab("View Data"):
+            show_user_button = gr.Button("Show Usernames")
+            view_username = gr.Markdown(label="Avilable username")
+            
+            view_inputs = [gr.Textbox(label="Username"), gr.Textbox(label="Password")]
+            view_button = gr.Button("View")
+            view_outputs = gr.DataFrame(label="View data")
+            
+            show_user_button.click(list_usernames, outputs=view_username)
+            view_button.click(show_employee_data, inputs=view_inputs, outputs=view_outputs)
+            
+demo.launch()