Expense-Tracker---Node.js-Project/addExpense.html at main · pushkarsabe/Expense-Tracker---Node.js-Project · GitHub

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<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Add Expense Page</title>
    <link rel="stylesheet" href="addexpense.css">
</head>

<body>
    <header>
        <h2>Daily Expenses</h2>
    </header>
    <button type="button" class="buyPremiumBtn" id="buyPremiumRazor" onclick="">Buy Premium</button>
    <div id="premiumUserText"></div>
    <div id="premiumUserLBDivBtn"></div>
    <div class="formExpense">
        <form onsubmit="submitData(event);">
            <label for="money">Enter Money :</label>
            <input type="number" name="money" id="inputMoney" required>
            <label for="description">Enter Description :</label>
            <input type="text" name="description" id="inputDescription" required>
            <select id="options">
                <option value="food">Food</option>
                <option value="petrol">Petrol</option>
                <option value="salary">Salary</option>
                <option value="bill">Bill</option>
                <option value="electricity">Electricity</option>
                <option value="maintenance">Maintenance</option>
                <option value="insurance">Insurance</option>
                <option value="rent">Rent</option>
            </select>
            <button type="submit">Add Expense</button>
        </form>
    </div>
    <div id="message">
    </div>

    <h2 style="margin-left: 25px;margin-bottom: 10px;">Expenses List</h2>
    <div id="addedExpenses" style="margin: 20px;">
        <ol id="olExpenses"></ol>
        <div id="paginationButttons"></div>
        <label>Number Of Rows : </label>
        <select id="numberOfRows">
            <option value="5">5</option>
            <option value="10">10</option>
            <option value="20">20</option>
            <option value="30">30</option>
            <option value="40">40</option>
            <option value="50">50</option>
        </select>
    </div>
    <hr>
    <div>
        <h2 id="leaderBoard-header" style="margin-left: 25px;margin-bottom:10px;"></h2>
        <ol id="LeaderBoardsList"></ol>
    </div>
    <hr>
    <div id="downloadExpenseBtnDiv">
        <button type="button" onclick="downloadEpense();" id="downloadexpense">Download Expense Data</button>
    </div>
    <hr>
    <h2 style="margin-left: 25px;margin-bottom: 10px;">Downloaded Expenses List</h2>
    <div id="downloadedExpenses" style="margin: 20px;">
        <table id="downloadTable">
            <thead>
                <tr>
                    <th>URL</th>
                </tr>
            </thead>
            <tbody>
            </tbody>
        </table>
    </div>
    <hr>
    <script>

        //event listener for buy premium button razorpay
        document.getElementById('buyPremiumRazor').onclick = async (e) => {
            console.log('inside buy Premium expense');
            const token = localStorage.getItem('token');
            console.log('token:' + token);
            try {
                const response = await axios.get(`http://localhost:3000/purchase/premiummembership`, {
                    headers: {
                        "Authorization": token
                    }
                });
                console.log('Razorpay response:', response);

                const options = {
                    'key': response.data.key_id,//key id generated from dashboard
                    'order_id': response.data.order.id, // for one time payement

                    //to handle the success payement
                    'handler': async function (response) {
                        await axios.post(`http://localhost:3000/purchase/updatetransactionstatus`, {
                            order_id: options.order_id,
                            payment_id: response.razorpay_payment_id,
                        },
                            { headers: { "Authorization": token } });

                        alert('You are a premium user now');
                        document.getElementById('buyPremiumRazor').style.visibility = 'hidden';
                        document.getElementById('premiumUserText').innerHTML = 'You are a premium user';

                    }
                }

                var rzp1 = new Razorpay(options);
                rzp1.open();
                e.preventDefault();
                rzp1.on('payment.failed', function (response) {
                    console.log('rzp1 response = ' + JSON.stringify(response));
                    alert(response.error.description);
                    window.location.href = 'addExpense.html';
                })
            }
            catch (error) {
                console.log('Unhandled error:', error);
                alert('Something went wrong');
            }
        }//buyPremiumBtn

        //to decode the token
        function parseJWT(token) {
            var base64Url = token.split('.')[1];
            var base64 = base64Url.replace(/-/g, '+').replace(/_/g, '/');
            var jsonPayload = decodeURIComponent(window.atob(base64).split('').map(function (c) {
                return '%' + ('00' + c.charCodeAt(0).toString(16)).slice(-2);
            }).join(''));

            return JSON.parse(jsonPayload);
        }

        //function to hide the premium button and display the text
        function showPremiumuser() {
            document.getElementById('buyPremiumRazor').style.visibility = 'hidden';
            document.getElementById('premiumUserText').innerHTML = 'You are a premium user';
        }

        //function to display the leader board details to premium user
        function printPremiumLeaderBoardDetails(data) {
            const LeaderBoardsListContainer = document.getElementById('LeaderBoardsList');
            console.log('name = ' + data.name);
            console.log('totalExpenses = ' + data.totalExpenses);

            const LBli = document.createElement('li');
            const text = document.createTextNode(`Name : ${data.name} - Total Cost : ${data.totalExpenses}`);
            LBli.appendChild(text);
            LeaderBoardsListContainer.appendChild(LBli);
        }//printPremiumLeaderBoardDetails

        //to show LeaderBoard
        async function showLeaderBoards(val) {
            console.log('user id = ' + val.id);
            const token = localStorage.getItem('token');
            try {
                const response = await axios.get(`http://localhost:3000/premium/showLeaderBoard`, {
                    headers: {
                        "Authorization": token
                    }
                });
                console.log('showLeaderBoards response = ' + JSON.stringify(response));
                for (let i = 0; i < response.data.length; i++) {
                    printPremiumLeaderBoardDetails(response.data[i]);
                }
            }
            catch (error) {
                console.log('Unhandled error:', error);
            }

        }// showLeaderBoards

        //function to display the downloaded files by the user
        function printAllDownloads(data) {
            // console.log('id = ' + data.id);
            // console.log('file url = ' + data.URL);
            const downloadTable = document.getElementById('downloadTable');
            // Create a table row
            const newRow = downloadTable.insertRow();
            // Insert cells into the row
            const fileCell = newRow.insertCell(0);
            // Populate the cells with data
            fileCell.textContent = data.URL;

        }//printAllDownloads

        //to print the expense data in list
        function printAllExpenses(data) {
            console.log('inside printAllExpenses');
            // console.log('data = ' + data.id);
            // console.log('money = ' + data.money);
            // console.log('description = ' + data.description);
            // console.log('options = ' + data.options);
            const olExpenses = document.getElementById('olExpenses');

            const li = document.createElement('li');
            const text = document.createTextNode(`Money : ${data.money}, Description  : ${data.description},, Options  : ${data.options}`);
            li.appendChild(text);
            const deleteBTN = document.createElement('button');
            deleteBTN.id = data.id;
            deleteBTN.setAttribute('value', 'Delete');
            deleteBTN.textContent = 'Delete';
            li.appendChild(deleteBTN);

            deleteBTN.addEventListener('click', () => {
                deleteExpense(data.id);
            })
            olExpenses.appendChild(li);
        }//printAllExpenses

        //global scope so that other functions can also access this variable
        let selectedRowOption = 5;
        //to get the expense data and to check user is premium or not
        document.addEventListener('DOMContentLoaded', async () => {
            console.log('inside DOMContentLoaded expense');
            const token = localStorage.getItem('token');
            console.log('token:' + token);
            const decodeToken = parseJWT(token);
            console.log('decodeToken:' + JSON.stringify(decodeToken));
            const isAdmin = decodeToken.ispremiumuser;
            if (isAdmin) {
                //if the user is premium then the buy premium will stay hidden and the you are a premium user will be shown
                showPremiumuser();
                const LBdiv = document.getElementById('leaderBoard-header').innerText = 'LeaderBoard List';

                const premiumUserDIV = document.getElementById('premiumUserLBDivBtn');
                const showLBtn = document.createElement('button');
                showLBtn.setAttribute('type', 'button');
                showLBtn.id = decodeToken.userid;
                const buttonText = document.createTextNode('Show LeaderBoard');
                showLBtn.appendChild(buttonText);
                showLBtn.setAttribute('onclick', 'showLeaderBoards(this)');
                showLBtn.style.padding = '5px';
                showLBtn.style.fontSize = 'small';
                showLBtn.style.marginTop = '20px';
                showLBtn.style.marginLeft = '20px';
                premiumUserDIV.appendChild(showLBtn);
            }
            //to pagination
            let currentPage = 1;
            let numberOfRows = document.getElementById('numberOfRows');

            //if the user does not select the rows the this function will get called
            await fetchExpenseDataPagination(selectedRowOption, currentPage);
            const olExpenses = document.getElementById('olExpenses');

            numberOfRows.addEventListener('change', async () => {
                console.log('inside DOMContentLoaded addEventListener change');
                selectedRowOption = numberOfRows.value;
                console.log('selectedRowOption = ' + selectedRowOption);
                //if the user select the rows the this function will get called
                // -5 because if you select 10 as number of rows then number of records will be 15 not 10 records
                olExpenses.innerHTML = '';
                await fetchExpenseDataPagination(selectedRowOption, currentPage);
            })

            try {
                //get files for download
                const res = await axios.get('http://localhost:3000/expense/getFiles', { headers: { "Authorization": token } })
                console.log('inside getFiles');
                // console.log('res = ', JSON.stringify(res));
                showMessage(res.data.message, 'succesMessage');
                for (let i = 0; i < res.data.downloadFiles.length; i++) {
                    printAllDownloads(res.data.downloadFiles[i]);
                }
            }
            catch (error) {
                console.log('Unhandled error:', error);
            }

        })//DOMContentLoaded

        //function to get the number of expenses records after user selects number of rows
        async function fetchExpenseDataPagination(selectedRowOption, currentPage) {
            console.log('inside fetchExpenseDataPagination');
            const token = localStorage.getItem('token');
            try {
                const response = await axios.get(`http://localhost:3000/expense/get-expense?page=${currentPage}&numberOfRows=${selectedRowOption}`, {
                    headers: {
                        "Authorization": token
                    }
                });
                //to print the expense data
                const expenseData = response.data.expenses;
                for (let i = 0; i < expenseData.length; i++) {
                    printAllExpenses(expenseData[i]);
                }
                handleNavigationButtons(response.data);
            }
            catch (error) {
                console.log('Unhandled error:', error);
            }
        }//fetchExpenseDataPagination

        // Function to handle pagination buttons
        function handleNavigationButtons({ currentPage, hasNextPage, nextPage, hasPreviousPage, previousPage, lastPage }) {
            console.log('inside andleNavigationButtons');
            console.log('currentPage = ' + currentPage);
            console.log('hasNextPage = ' + hasNextPage);
            console.log('nextPage = ' + nextPage);
            console.log('hasPreviousPage = ' + hasPreviousPage);
            console.log('previousPage = ' + previousPage);
            console.log('lastPage = ' + lastPage);
            console.log('selectedRowOption = ' + selectedRowOption);

            const paginationButttons = document.getElementById('paginationButttons');
            const olExpenses = document.getElementById('olExpenses');
            paginationButttons.innerHTML = '';
            if (hasPreviousPage) {
                const prevButton = document.createElement('button');
                prevButton.innerHTML = `<h3>${previousPage}</h3>`;
                prevButton.style.marginRight = '15px';
                prevButton.addEventListener('click', function () {
                    olExpenses.innerHTML = '';
                    getExpenses(previousPage);
                });
                paginationButttons.appendChild(prevButton);
            }

            const currentButton = document.createElement('button');
            currentButton.innerHTML = `<h4>${currentPage}</h4>`;
            currentButton.style.marginRight = '15px';
            currentButton.addEventListener('click', function () {
                location.reload();
            });
            paginationButttons.appendChild(currentButton);

            if (hasNextPage) {
                const nextButton = document.createElement('button');
                nextButton.innerHTML = `<h4>${nextPage}</h4>`;
                nextButton.style.marginRight = '15px';
                nextButton.addEventListener('click', function () {
                    olExpenses.innerHTML = '';
                    getExpenses(nextPage);
                });
                paginationButttons.appendChild(nextButton);
            }
        }//handleNavigationButtons

        //to get the pages and print as pagination
        async function getExpenses(page) {
            console.log('inside getExpenses');
            console.log('selectedRowOption = ' + selectedRowOption);
            const token = localStorage.getItem('token');
            const response = await axios.get(`http://localhost:3000/expense/get-expense?page=${page}
            &numberOfRows=${selectedRowOption}`, {
                headers: {
                    "Authorization": token
                }
            });
            //to print the expense data
            const expenseData = response.data.expenses;
            for (let i = 0; i < expenseData.length; i++) {
                printAllExpenses(expenseData[i]);
            }
            handleNavigationButtons(response.data);
        }

        //function to show download option and daily weekly expenses
        async function downloadEpense() {
            console.log('inside download function');
            try {
                const token = localStorage.getItem('token');
                const res = await axios.get('http://localhost:3000/expense/download', { headers: { "Authorization": token } })
                // console.log('res = ', JSON.stringify(res));

                var a = document.createElement("a");
                a.href = res.data.fileUrl;
                a.download = 'myexpense.csv';
                a.click();
                showMessage('Download Started', 'succesMessage');
            }
            catch (error) {
                if (error.response.status === 401) {
                    console.log("error message = " + error.response.data.message);
                    showMessage(error.response.data.message, 'failureMessage');
                }
                else if (error.response.status === 400) {
                    console.log("error message = " + error.response.data.error.message);
                    showMessage(error.response.data.error.message, 'failureMessage');
                }
                else {
                    console.log("error message = " + error);
                    showMessage(error, 'failureMessage');
                }
            }
        }//downloadEpense

        //function to display the message
        function showMessage(msgText, className) {
            const msg = document.getElementById('message');
            const div = document.createElement('div');
            const textNode = document.createTextNode(msgText);
            div.appendChild(textNode);
            msg.appendChild(div);
            msg.classList.add(className);

            setTimeout(() => {
                msg.classList.remove(className);
                msg.removeChild(div);
            }, 2000);
        }

        async function submitData(event) {
            event.preventDefault();
            console.log('inside submitData expense');
            // Get values from the form
            const money = document.getElementById('inputMoney').value;
            const description = document.getElementById('inputDescription').value;
            const options = document.getElementById('options').value;

            console.log('money = ' + money);
            console.log('description = ' + description);
            console.log('options = ' + options);

            const obj = {
                money: money,
                description: description,
                options: options
            }

            try {
                const token = localStorage.getItem('token');
                console.log('token:' + token);
                const response = await axios.post(`http://localhost:3000/expense/add-expense`, obj, {
                    headers: {
                        "Authorization": token
                    }
                });
                console.log('response data = ' + JSON.stringify(response.data));
                console.log('money = ' + response.data.newExpenseData.money);
                console.log('description = ' + response.data.newExpenseData.description);
                console.log('options = ' + response.data.newExpenseData.options);

                document.getElementById('inputMoney').value = "";
                document.getElementById('inputDescription').value = "";
                document.getElementById('options').value = "";

                showMessage(response.data.message, 'succesMessage');
                printAllExpenses(response.data.newExpenseData);
            }
            catch (error) {
                //to handle the output response errors
                if (error.response && error.response.status == 400) {
                    console.log('Error object:', error.response.data.message);
                    showMessage(error.response.data.message, 'failureMessage');
                } else {
                    console.log('Unhandled error:', error);
                    // Handle other errors here
                }
            }

        }//submitData

        async function deleteExpense(id) {
            console.log('id:', id);
            console.log('inside deleteExpense expense');
            //to delete data from backend
            const token = localStorage.getItem('token');
            try {
                const response = await axios.delete(`http://localhost:3000/expense/delete-expense/${id}`, { headers: { "Authorization": token } });
                console.log('response:', response);
                showMessage(response.data.message, 'succesMessage');
            }
            catch (error) {
                //to handle the output response errors
                if (error.response && error.response.status == 400) {
                    console.log('Error object:', error.response.data.message);
                } else {
                    console.log('Unhandled error:', error);
                }
            }

            //to delete data from frotend
            const parentele = document.getElementById(id).parentNode;
            olExpenses.removeChild(parentele);
        }//deleteExpense

    </script>
    <!-- axios -->
    <script src="https://cdn.jsdelivr.net/npm/axios/dist/axios.min.js"></script>
    <!-- razorpay -->
    <script src="https://checkout.razorpay.com/v1/checkout.js"></script>
</body>

</html>