Create app.py

app.py

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+import streamlit as st
+import pandas as pd
+
+# Initialize session state for subjects, teachers, classrooms, and timetable
+if 'subjects' not in st.session_state:
+    st.session_state['subjects'] = []
+
+if 'teachers' not in st.session_state:
+    st.session_state['teachers'] = []
+
+if 'classrooms' not in st.session_state:
+    st.session_state['classrooms'] = []
+
+if 'timetable' not in st.session_state:
+    st.session_state['timetable'] = pd.DataFrame(columns=['Day', 'Time', 'Room', 'Subject', 'Teacher'])
+
+# Define days and time slots
+DAYS = ["Monday", "Tuesday", "Wednesday", "Thursday", "Friday"]
+TIMES = ["08:00-09:00", "09:00-10:00", "10:00-11:00", "11:00-12:00", "01:00-02:00", "02:00-03:00"]
+
+# Title of the application
+st.title("Smart Semester Subjects Timetable Management System")
+
+# Sidebar navigation
+menu = st.sidebar.radio("Menu", ["Add Subject", "Add Teacher", "Add Classroom", "Add Subject Lectures", "View Timetable"])
+
+# Add Subject Page
+if menu == "Add Subject":
+    st.header("Add Subjects")
+    subject = st.text_input("Enter Subject Name")
+
+    if st.button("Add Subject"):
+        if subject:
+            st.session_state['subjects'].append(subject)
+            st.success(f"Added subject: {subject}")
+        else:
+            st.error("Please enter a subject name.")
+
+    st.subheader("Current Subjects")
+    if st.session_state['subjects']:
+        st.write(st.session_state['subjects'])
+    else:
+        st.write("No subjects added yet.")
+
+# Add Teacher Page
+elif menu == "Add Teacher":
+    st.header("Add Teachers")
+    teacher = st.text_input("Enter Teacher Name")
+
+    if st.button("Add Teacher"):
+        if teacher:
+            st.session_state['teachers'].append(teacher)
+            st.success(f"Added teacher: {teacher}")
+        else:
+            st.error("Please enter a teacher name.")
+
+    st.subheader("Current Teachers")
+    if st.session_state['teachers']:
+        st.write(st.session_state['teachers'])
+    else:
+        st.write("No teachers added yet.")
+
+# Add Classroom Page
+elif menu == "Add Classroom":
+    st.header("Add Classrooms")
+    room = st.text_input("Enter Classroom Name")
+
+    if st.button("Add Classroom"):
+        if room:
+            st.session_state['classrooms'].append(room)
+            st.success(f"Added classroom: {room}")
+        else:
+            st.error("Please enter a classroom name.")
+
+    st.subheader("Current Classrooms")
+    if st.session_state['classrooms']:
+        st.write(st.session_state['classrooms'])
+    else:
+        st.write("No classrooms added yet.")
+
+# Add Subject Lectures Page
+elif menu == "Add Subject Lectures":
+    st.header("Add Subject Lectures")
+    if not st.session_state['subjects'] or not st.session_state['teachers'] or not st.session_state['classrooms']:
+        st.warning("Please ensure subjects, teachers, and classrooms are added first.")
+    else:
+        subject = st.selectbox("Select Subject", st.session_state['subjects'])
+        teacher = st.selectbox("Select Teacher", st.session_state['teachers'])
+        room = st.selectbox("Select Classroom", st.session_state['classrooms'])
+        day = st.selectbox("Select Day", DAYS)
+        time = st.selectbox("Select Time Slot", TIMES)
+
+        if st.button("Add Lecture"):
+            # Check if the slot is already taken
+            if not st.session_state['timetable'][(st.session_state['timetable']['Day'] == day) &
+                                                (st.session_state['timetable']['Time'] == time) &
+                                                (st.session_state['timetable']['Room'] == room)].empty:
+                st.error(f"Slot on {day} at {time} in {room} is already taken.")
+            else:
+                new_entry = pd.DataFrame({"Day": [day], "Time": [time], "Room": [room], "Subject": [subject], "Teacher": [teacher]})
+                st.session_state['timetable'] = pd.concat([st.session_state['timetable'], new_entry], ignore_index=True)
+                st.success("Lecture added successfully.")
+
+# View Timetable Page
+elif menu == "View Timetable":
+    st.header("Weekly Timetable")
+    if not st.session_state['timetable'].empty:
+        st.table(st.session_state['timetable'])
+
+        if st.button("Clear Timetable"):
+            st.session_state['timetable'] = pd.DataFrame(columns=['Day', 'Time', 'Room', 'Subject', 'Teacher'])
+            st.success("Timetable cleared.")
+    else:
+        st.write("No timetable entries yet.")