LMS refactoring

Author: LinceMathew

.gitignore

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+__pycache__/

.vscode/settings.json

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+{
+    "python.formatting.provider": "black"
+}

Home.py

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+from tkinter import *
+from add_book import add_books
+from update_book import update_books
+from delete_book import delete_books
+from issue_book import issue_books
+from return_book import return_books
+from search_book import search_book
+
+
+def home():
+    main = Tk()
+    main.title("Library")
+    main.geometry("600x500")
+    main.configure(background="black")
+    head = Label(
+        main,
+        text="Library Management System",
+        bg="black",
+        fg="white",
+        font=("Courier", 25),
+    )
+
+    def goback():
+        for widget in search_books.winfo_children():
+            widget.destroy()
+        for widget in add_book.winfo_children():
+            widget.destroy()
+        for widget in update_book.winfo_children():
+            widget.destroy()
+        for widget in delete_book.winfo_children():
+            widget.destroy()
+        for widget in issue_book.winfo_children():
+            widget.destroy()
+        for widget in return_book.winfo_children():
+            widget.destroy()
+        home.pack(expand=1, fill=X)
+        add_book.pack_forget()
+        update_book.pack_forget()
+        delete_book.pack_forget()
+        issue_book.pack_forget()
+        return_book.pack_forget()
+        search_books.pack_forget()
+
+    Button(
+        main, text="back", bg="black", fg="white", font=("Courier", 25), command=goback
+    ).pack(pady=12, side=TOP, anchor=NW)
+    head.pack(pady=20)
+    home = Frame(main)
+    search_books = Frame(main)
+    add_book = Frame(main)
+    update_book = Frame(main)
+    delete_book = Frame(main)
+    issue_book = Frame(main)
+    return_book = Frame(main)
+
+    def landing():
+        home.configure(background="black")
+        Button(
+            home,
+            text="search",
+            command=lambda: search_book(home, search_books),
+            bg="black",
+            fg="white",
+            font=("Courier", 25),
+        ).pack(pady=18)
+        Button(
+            home,
+            text="add book",
+            command=lambda: add_books(home, add_book),
+            bg="black",
+            fg="white",
+            font=("Courier", 25),
+        ).pack(pady=18)
+        Button(
+            home,
+            text="update book",
+            command=lambda: update_books(home, update_book),
+            bg="black",
+            fg="white",
+            font=("Courier", 25),
+        ).pack(pady=18)
+        Button(
+            home,
+            text="delete book",
+            command=lambda: delete_books(home, delete_book),
+            bg="black",
+            fg="white",
+            font=("Courier", 25),
+        ).pack(pady=18)
+        Button(
+            home,
+            text="issue book",
+            command=lambda: issue_books(home, issue_book),
+            bg="black",
+            fg="white",
+            font=("Courier", 25),
+        ).pack(pady=18)
+        Button(
+            home,
+            text="return book",
+            command=lambda: return_books(home, return_book),
+            bg="black",
+            fg="white",
+            font=("Courier", 25),
+        ).pack(pady=18)
+        home.pack(expand=1, fill=X)
+
+    landing()
+    main.mainloop()
+
+
+home()

README.md

@@ -1 +1,28 @@
-# Library-Management-System
+# Library-Management-System
+
+A Mini Library Management Web App built entirely using Python. We developed it using Tkinter for UI and pymysql for Database query management.
+## Features
+- Manage Borrower's Log
+- Add Book
+- Search Book
+- Update Book
+- Delete Book
+- Issue Book
+- Return Book
+
+## Installation
+```bash
+pip3 install -r requirement.txt
+```
+After installing dependencies, execute:
+```bash
+python3 Home.py
+```
+
+## Additional Features Suggestion
+- Login System
+- Add new category
+- Add book by selecting category from dropdown
+- Show students who haven't returned book
+- Show Book availability by book_id
+

add_book.py

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+from tkinter import *
+import pymysql
+from tkinter import messagebox
+from connect_db import connect
+
+
+def add_books(home, add_book):
+    add_book.configure(background="black")
+    Label(add_book, text="Add Book", bg="black", fg="white", font=("Courier", 35)).pack(
+        pady=15
+    )
+    Label(add_book, text="Book Id", bg="black", fg="white", font=("Courier", 25)).pack(
+        pady=5
+    )
+    id = Text(add_book, height=1, width=30, font=("Courier", 25))
+    id.pack(pady=5)
+    Label(add_book, text="Name", bg="black", fg="white", font=("Courier", 25)).pack(
+        pady=5
+    )
+    name = Text(add_book, height=1, width=30, font=("Courier", 25))
+    name.pack(pady=5)
+    Label(add_book, text="Author", bg="black", fg="white", font=("Courier", 25)).pack(
+        pady=5
+    )
+    author = Text(add_book, height=1, width=30, font=("Courier", 25))
+    author.pack(pady=5)
+    Label(add_book, text="Category", bg="black", fg="white", font=("Courier", 25)).pack(
+        pady=5
+    )
+    category = Text(add_book, height=1, width=30, font=("Courier", 25))
+    category.pack(pady=5)
+    Label(add_book, text="Count", bg="black", fg="white", font=("Courier", 25)).pack(
+        pady=5
+    )
+    count = Text(add_book, height=1, width=30, font=("Courier", 25))
+    count.pack()
+    Button(
+        add_book,
+        text="Submit",
+        command=lambda: add_book_query(id, name, category, author, count),
+        bg="black",
+        fg="white",
+        font=("Courier", 25),
+    ).pack(pady=12)
+    add_book.pack(expand=1, fill=X)
+    home.pack_forget()
+
+
+def add_book_query(id, name, category, author, count):
+    book_id = id.get(1.0, "end-1c")
+    name = name.get(1.0, "end-1c")
+    category = category.get(1.0, "end-1c")
+    author = author.get(1.0, "end-1c")
+    count = count.get(1.0, "end-1c")
+    print(book_id, name, category, author, count)
+    insert = (
+        "insert into Books values("
+        + book_id
+        + ",'"
+        + name
+        + "','"
+        + author
+        + "', '"
+        + category
+        + "',"
+        + count
+        + ","
+        + count
+        + ");"
+    )
+
+    try:
+        connect(insert)
+        messagebox.showinfo("Success", "Book added successfully")
+    except (pymysql.Error, pymysql.Warning) as e:
+        err = str(e)
+        messagebox.showinfo("Error", "Can't add data into Database " + err)

connect_db.py

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+import pymysql
+
+
+def connect(query):
+    con = pymysql.connect(host="localhost", user="root", database="LMS")
+    cur = con.cursor()
+    cur.execute(query)
+    result = cur.fetchall()
+    con.commit()
+    return result

delete_book.py

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+from tkinter import *
+from connect_db import connect
+import pymysql
+from tkinter import messagebox
+
+
+def delete_books(home, delete_book):
+    delete_book.configure(background="black")
+    Label(
+        delete_book, text="Delete Book", bg="black", fg="white", font=("Courier", 35)
+    ).pack(pady=15)
+    Label(
+        delete_book, text="Enter Book Id", bg="black", fg="white", font=("Courier", 25)
+    ).pack(pady=5)
+    id = Text(delete_book, height=1, width=30, font=("Courier", 25))
+    id.pack(pady=5)
+    delete_book.pack(expand=1, fill=X)
+    Button(
+        delete_book,
+        text="Submit",
+        command=lambda: delete(id),
+        bg="black",
+        fg="white",
+        font=("Courier", 25),
+    ).pack(pady=12)
+    home.pack_forget()
+
+
+def delete(id):
+    Book_id = id.get(1.0, "end-1c")
+    delete = f"delete from Books where book_id={Book_id}"
+    try:
+        connect(delete)
+        messagebox.showinfo("Success", "Book Deleted Successfully")
+    except (pymysql.Error, pymysql.Warning) as e:
+        err = str(e)
+        messagebox.showinfo("Error", "Can't delete book from  Database " + err)
+
+    return None

issue_book.py

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+from tkinter import *
+
+from tkinter import messagebox
+import datetime
+from connect_db import connect
+import pymysql
+
+
+def issue_books(home, issue_book):
+    issue_book.configure(background="black")
+    Label(
+        issue_book, text="Issue Book", bg="black", fg="white", font=("Courier", 35)
+    ).pack(pady=15)
+    Label(
+        issue_book, text="Book Id", bg="black", fg="white", font=("Courier", 25)
+    ).pack(pady=5)
+    book_id = Text(issue_book, height=1, width=30, font=("Courier", 25))
+    book_id.pack(pady=5)
+    Label(
+        issue_book, text="Student Id", bg="black", fg="white", font=("Courier", 25)
+    ).pack(pady=5)
+    Student_id = Text(issue_book, height=1, width=30, font=("Courier", 25))
+    Student_id.pack(pady=5)
+    issue_book.pack(expand=1, fill=X)
+    Button(
+        issue_book,
+        text="Submit",
+        command=lambda: issue(book_id, Student_id),
+        bg="black",
+        fg="white",
+        font=("Courier", 25),
+    ).pack(pady=12)
+    home.pack_forget()
+
+
+def issue(book_id, Student_id):
+    book_id = book_id.get(1.0, "end-1c")
+    Student_id = Student_id.get(1.0, "end-1c")
+    try:
+        query_avail = "select avail_count from Books where Book_id=" + book_id
+        availability = connect(query_avail)
+        if len(availability) == 0:
+            messagebox.showinfo("Error", "Invalid Book ID")
+            return None
+        elif availability[0][0] == 0:
+            messagebox.showinfo("Sorry", "Book is not available")
+            return None
+    except (pymysql.Error, pymysql.Warning) as e:
+        print(e)
+    today = datetime.date.today()
+
+    issue_date = str(today)
+    r_d = today + datetime.timedelta(days=30)
+    return_date = str(r_d)
+
+    try:
+        query_max = "select max(issue_id) from Issue"
+        max_issue_id = connect(query_max)
+
+        if max_issue_id[0][0] == None:
+            issue_id = 1
+        else:
+            issue_id = max_issue_id[0][0] + 1
+        query_issue = (
+            "insert into Issue values("
+            + str(issue_id)
+            + ","
+            + Student_id
+            + ","
+            + book_id
+            + ",'"
+            + issue_date
+            + "','"
+            + return_date
+            + "',NULL)"
+        )
+        connect(query_issue)
+        messagebox.showinfo("Success", "Issue ID = " + str(issue_id))
+    except (pymysql.Error, pymysql.Warning) as e:
+        messagebox.showinfo("Error", "Invalid Student_id")
+    finally:
+        return None

newFeatures.txt

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+add new category
+add book by selecting category from dropdown
+show students who haven't returned book
+show Book availability by book_id

requirement.txt

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+tkinter==8.6
+pymysql==1.0.2