Untitled

// This is serverside

router.post("/results", function (request, response) {
    let item = request.body;
    let applicant_name = request.body.firstName;

    client.connect(function (err) {
        const db = client.db("myFirstDatabase");
        assert.equal(null, err);
        db.collection("residents").insertOne(item, function (err, result) {
            assert.equal(null, err);
            console.log("Item inserted");
        });
    });

    client.connect(function (err) {
        const db = client.db("myFirstDatabase");
        assert.equal(null, err);
        db.collection("residents")
            .find({})
            .toArray(function (err, resident) {
                if (err) throw err;
                compatability(request, resident);
            });
    });

    client.close();
    response.render("pages/results", {
        applicant_name: applicant_name,
        resident: fitness,
    });
});

let fitness = [];

function compatability(request, resident) {
    for (let i = 0; i < resident.length; i++) {
        let array = [];
        let sum = 0;

        let X1 = x1(
            request.body.planVisitorsRoommate,
            resident[i].planVisitors
        );
        let X2 = x2(
            resident[i].planVisitorsRoommate,
            request.body.planVisitors
        );
        let X3 = x3(request.body.preferStudy, resident[i].preferStudy);
        let X4 = x4(request.body.bedtime, resident[i].bedtime);
        let X5 = x5(request.body.roommateGender, resident[i].gender);
        let X6 = x6(resident[i].roommateGender, request.body.gender);
        let X7 = x7(
            request.body.preferInternational,
            request.body.roommateLanguage,
            resident[i].roommateLanguage
        );
        let X8 = x8(
            resident[i].preferInternational,
            resident[i].roommateLanguage,
            request.body.roommateLanguage
        );
        let X9 = x9(request.body.preferredAgeRange, resident[i].age);
        let X10 = x10(resident[i].preferredAgeRange, request.body.age);
        let X11 = x11(request.body.btnradio4, resident[i].btnradio4);
        let X12 = x12(
            request.body.roommateMajor,
            request.body.major,
            resident[i].major
        );
        let X13 = x13(
            resident[i].roommateMajor,
            resident[i].major,
            request.body.major
        );
        let X14 = x14(
            request.body.roommateSemester,
            request.body.semester,
            resident[i].semester
        );
        let X15 = x15(
            resident[i].roommateSemester,
            resident[i].semester,
            request.body.semester
        );

        array[0] = X1;
        array[1] = X2;
        array[2] = X3;
        array[3] = X4;
        array[4] = X5;
        array[5] = X6;
        array[6] = X7;
        array[7] = X8;
        array[8] = X9;
        array[9] = X10;
        array[10] = X11;
        array[11] = X12;
        array[12] = X13;
        array[13] = X14;
        array[14] = X15;

        for (let j = 0; j < 15; j++) {
            sum += array[j] * weightings[j];
        }

        let fit = {
            fitness: Math.round(sum * 100),
            email: resident[i].email,
            name: resident[i].firstName + " " + resident[i].lastName,
        };
        fitness.push(fit);
    }

    fitness.sort((a, b) => (a.fitness < b.fitness ? 1 : -1));

    for (let i = 0; i < 3; i++) {
        console.log(fitness[i]);
    }
}

// This is our .ejs file:

<body>
        <!-- Navbar -->
        <%- include('../partials/navbar') %>

        <h1 class="mt-5 text-center">Results</h1>
        <h2 class="mt-3 text-center">
            Hi <%= applicant_name %>, here are your results from the
            quesitonnaire.
        </h2>
        <div class="card-group p-5">
            <div class="card">
                <img
                    src="https://randomuser.me/api/portraits/men/1.jpg"
                    class="card-img-top"
                    alt="..."
                />
                <div class="card-body">
                    <h5 class="card-title">Best Match</h5>
                    <p class="card-text">
                        Compatibility %: <%= resident[0].fitness %><br />
                        Name: <%= resident[0].name %> <br />
                        Email: <%= resident[0].email %><br />
                        Location: <br />
                    </p>
                </div>
            </div>
            <div class="card">
                <img
                    src="https://randomuser.me/api/portraits/women/1.jpg"
                    class="card-img-top"
                    alt="..."
                />
                <div class="card-body">
                    <h5 class="card-title">Second Match</h5>
                    <p class="card-text">
                        Compatibility %: <%= resident[1].fitness %><br />
                        Name: <%= resident[1].name %> <br />
                        Email: <%= resident[1].email %><br />
                        Location: <br />
                    </p>
                </div>
            </div>
            <div class="card">
                <img
                    src="https://randomuser.me/api/portraits/men/2.jpg"
                    class="card-img-top"
                    alt="..."
                />
                <div class="card-body">
                    <h5 class="card-title">Third Match</h5>
                    <p class="card-text">
                        Compatibility %: <%= resident[2].fitness %><br />
                        Name: <%= resident[2].name %> <br />
                        Email: <%= resident[2].email %><br />
                        Location: <br />
                    </p>
                </div>
            </div>
        </div>

        <!-- Footer -->
        <%- include('../partials/footer') %>

        <!-- JavaScript -->
        <%- include('../partials/script') %>
    </body>

// Photos of how it looks:

// TypeError: https://imgur.com/a/LvKPaPm
// Refresh after the server crashes: https://imgur.com/a/lfaR06F - This is essentially what we want, and it seems like it works. But we still get the TypeError and the server crashes.