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<!doctype html>
<html lang="en" class="h-100">
<head>
<title>SuperDog Events: Coding Challenge by Mark Spectre</title>
<!-- Required meta tags -->
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no">
<!-- Bootstrap CSS -->
<link href="https://cdn.jsdelivr.net/npm/bootstrap@5.0.0/dist/css/bootstrap.min.css" rel="stylesheet"
integrity="sha384-wEmeIV1mKuiNpC+IOBjI7aAzPcEZeedi5yW5f2yOq55WWLwNGmvvx4Um1vskeMj0" crossorigin="anonymous">
<link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/bootstrap-icons@1.5.0/font/bootstrap-icons.css">
<script src="https://kit.fontawesome.com/5db21ba9c6.js" crossorigin="anonymous">
</script>
<link rel="icon" type="image/png" href="img/favicon-32x32.png" />
<link href="css/site.css" rel="stylesheet">
<link href="css/prism.css" rel="stylesheet">
</head>
<body class="d-flex flex-column h-100">
<!-- ======= Nav Section ======= -->
<nav class="navbar navbar-expand-md navbar-dark fixed-top bg-dark">
<div class="container-fluid">
<a class="navbar-brand" href="index.html"><img src="/img/MspectreMark.svg" alt="" width="30" height="24"
class="d-inline-block align-text-top">
SuperDog Events</a>
<button class="navbar-toggler" type="button" data-bs-toggle="collapse" data-bs-target="#navbarCollapse"
aria-controls="navbarCollapse" aria-expanded="false" aria-label="Toggle navigation">
<span class="navbar-toggler-icon"></span>
</button>
<div class="collapse navbar-collapse" id="navbarCollapse">
<ul class="navbar-nav me-auto mb-2 mb-md-0 ">
<li class="nav-item">
<a class="nav-link" href="index.html">Home</a>
</li>
<li class="nav-item">
<a class="nav-link" href="app.html">The App</a>
</li>
<li class="nav-item">
<a class="nav-link active" aria-current="page" href="code.html">The Code</a>
</li>
<li class="nav-item">
<a class="nav-link" target="_blank" href="https://github.com/CoderFoundry/JS-SuperDogEvents">The Repo</a>
</li>
<li class="nav-item">
<a class="nav-link" target="_blank" href="https://learn.coderfoundry.com">About</a>
</li>
</ul>
</div>
</div>
</nav>
<!-- ======= Main Section ======= -->
<main id="content" class="flex-shrink-0">
<div class="container-fluid col-xxl-10 px-4 py-5 mt-5">
<div class="border-bottom border-dark mb-5">
<h2 class="display-5 fw-bold">THE CODE</h2>
<h3>The five functions that make SuperDog Events super</h3>
</div>
<div class="row">
<div class="col">
<div class="accordion" id="accordionCode">
<div class="accordion-item">
<h2 class="accordion-header" id="codePanel-buildDropDown">
<button class="accordion-button" type="button" data-bs-toggle="collapse"
data-bs-target="#codePanel-collapseOne" aria-expanded="true" aria-controls="codePanel-collapseOne">
Function - BuildDropDown
</button>
</h2>
<div id="codePanel-collapseOne" class="accordion-collapse collapse show"
aria-labelledby="codePanel-buildDropDown">
<div class="accordion-body">
<div class="row row-cols-1 row-cols-lg-2">
<div class="col-lg-8 col-12 order-last order-lg-first">
<pre>
<code class="language-javascript">
//build a dropdown of specific cities
function buildDropDown() {
//grab the select list we want to add city names to.
let eventDD = document.getElementById("eventDropDown");
eventDD.innerHTML = "";
//grab a template we want to use to populate the select list
const template = document.getElementById("cityDD-template");
//Pull the events from local storage if there are none pull form the
//default data.
curEvents = JSON.parse(localStorage.getItem("eventsArray")) || events;
//create distinct list of cities using Set
let distinctEvents = [...new Set(curEvents.map((event) => event.city))];
let ddItemNode = document.importNode(template.content, true);
//Add a drop item for 'ALL' to the DOM
ddItem = ddItemNode.querySelector("a");
ddItem.setAttribute("data-string", "All");
ddItem.textContent = "All";
eventDD.appendChild(ddItem);
//Loop over the distinct cities and add a dropdown item for each city
for (var i = 0; i < distinctEvents.length; i++) {
ddItemNode = document.importNode(template.content, true);
ddItem = ddItemNode.querySelector("a");
ddItem.setAttribute("data-string", distinctEvents[i]);
ddItem.textContent = distinctEvents[i];
eventDD.appendChild(ddItem);
}
//Call Display Stats passing the list of current Events
displayStats(curEvents);
//Call display data and show the data in a grid
displayData();
}
</code>
</pre>
</div>
<div class="col-lg-4 col-12">
<h5>buildDropDown</h5>
<p>The app entry point. Build a list of unique cities from event data. Build a dropdown for the unique cities. Display the stats and data for the current event data.</p>
</div>
</div>
</div>
</div>
</div>
<div class="accordion-item">
<h2 class="accordion-header" id="codePanel-getEvents">
<button class="accordion-button collapsed" type="button" data-bs-toggle="collapse"
data-bs-target="#codePanel-collapseTwo" aria-expanded="false" aria-controls="codePanel-collapseTwo">
Function - getEvents
</button>
</h2>
<div id="codePanel-collapseTwo" class="accordion-collapse collapse" aria-labelledby="codePanel-getEvents">
<div class="accordion-body">
<div class="row row-cols-1 row-cols-lg-2">
<div class="col-lg-8 col-12 order-last order-lg-first">
<pre>
<code class="language-javascript">
//show stats for the selected city from the drop down
function getEvents(element) {
//get the city name from element parameter
let city = element.getAttribute("data-string");
//grab the events from local storage or the default data
curEvents = JSON.parse(localStorage.getItem("eventsArray")) || events;
let filteredEvents = curEvents;
//change the header for the stats area on the page
document.getElementById("statsHeader").innerHTML = `Stats For ${city} Events`;
if (city != "All") {
//use an array filter to return events for the selected city
filteredEvents = curEvents.filter(function (item) {
if (item.city == city) {
return item;
}
});
}
//Call displays stats with event data filtered for the selected city
displayStats(filteredEvents);
}
</code>
</pre>
</div>
<div class="col-lg-4 col-12">
<h4>getEvents(element)</h4>
<h5>parameter {any} element - dropdown list item</h5>
<p>Displays the data for the selected city</p>
</div>
</div>
</div>
</div>
</div>
<div class="accordion-item">
<h2 class="accordion-header" id="codePanel-displayStats">
<button class="accordion-button collapsed" type="button" data-bs-toggle="collapse"
data-bs-target="#codePanel-collapseThree" aria-expanded="false"
aria-controls="codePanel-collapseThree">
Function - displayStats
</button>
</h2>
<div id="codePanel-collapseThree" class="accordion-collapse collapse"
aria-labelledby="codePanel-displayStats">
<div class="accordion-body">
<div class="row row-cols-1 row-cols-lg-2">
<div class="col-lg-8 col-12 order-last order-lg-first">
<pre>
<code class="language-javascript">
//Display Stats for the set of events being passed in
function displayStats(filteredEvents) {
let total = 0;
let average = 0;
let most = 0;
let least = -1;
let currentAttendance = 0;
//calculate total, average, most and least attendance by looping over the events
for (let i = 0; i < filteredEvents.length; i++) {
currentAttendance = filteredEvents[i].attendance;
total += currentAttendance;
if (most < currentAttendance) {
most = currentAttendance;
}
if (least > currentAttendance || least < 0) {
least = currentAttendance;
}
}
average = total / filteredEvents.length;
//Display the values on the page
document.getElementById("total").innerHTML = total.toLocaleString();
document.getElementById("most").innerHTML = most.toLocaleString();
document.getElementById("least").innerHTML = least.toLocaleString();
document.getElementById("average").innerHTML = average.toLocaleString(
undefined, {
minimumFractionDigits: 0,
maximumFractionDigits: 0,
}
);
}
</code>
</pre>
</div>
<div class="col-lg-4 col-12">
<h4>displayStats(filteredEvents)</h4>
<h5>parameter {array} filteredEvents - array of events</h5>
<p>Displays stats for the events being passed in</p>
</div>
</div>
</div>
</div>
</div>
<div class="accordion-item">
<h2 class="accordion-header" id="codePanel-displayData">
<button class="accordion-button collapsed" type="button" data-bs-toggle="collapse"
data-bs-target="#codePanel-collapseFour" aria-expanded="false" aria-controls="codePanel-collapseFour">
Function - displayData
</button>
</h2>
<div id="codePanel-collapseFour" class="accordion-collapse collapse"
aria-labelledby="codePanel-displayData">
<div class="accordion-body">
<div class="row row-cols-1 row-cols-lg-2">
<div class="col-lg-8 col-12 order-last order-lg-first">
<pre>
<code class="language-javascript">
//display the event data in a grid using a template
function displayData() {
const template = document.getElementById("eventData-template");
const eventBody = document.getElementById("eventBody");
//clear table first
eventBody.innerHTML = "";
//grab the events from local storage or set currentEvents to an empty array
let curEvents = JSON.parse(localStorage.getItem("eventsArray")) || [];
//If curEvents is empty set local storage to the default data
if (curEvents.length == 0) {
curEvents = events;
localStorage.setItem("eventsArray", JSON.stringify(curEvents));
}
//display the data in a grid by loop over the event data
for (let i = 0; i < curEvents.length; i++) {
const eventRow = document.importNode(template.content, true);
//grab only the columns in the template
eventCols = eventRow.querySelectorAll("td");
//Push the current event data to the correct column
eventCols[0].textContent = curEvents[i].event;
eventCols[1].textContent = curEvents[i].city;
eventCols[2].textContent = curEvents[i].state;
eventCols[3].textContent = curEvents[i].attendance;
eventCols[4].textContent = new Date(
curEvents[i].date
).toLocaleDateString();
eventBody.appendChild(eventRow);
}
}
</code>
</pre>
</div>
<div class="col-lg-4 col-12">
<h4>displayData</h4>
<p>Displays the event in a grid using a template</p>
</div>
</div>
</div>
</div>
</div>
<div class="accordion-item">
<h2 class="accordion-header" id="codePanel-saveEventData">
<button class="accordion-button collapsed" type="button" data-bs-toggle="collapse"
data-bs-target="#codePanel-collapseFive" aria-expanded="false" aria-controls="codePanel-collapseFive">
Function - saveEventData
</button>
</h2>
<div id="codePanel-collapseFive" class="accordion-collapse collapse"
aria-labelledby="codePanel-saveEventData">
<div class="accordion-body">
<div class="row row-cols-1 row-cols-lg-2">
<div class="col-lg-8 col-12 order-last order-lg-first">
<pre>
<code class="language-javascript">
//Save Event Data form a local modal form into local storage
function saveEventData() {
//grab the events out of local storage or detault data
let curEvents = JSON.parse(localStorage.getItem("eventsArray")) || events;
//grab the values from the modal form push the values into the event object
let eventObj = {};
eventObj["event"] = document.getElementById("newEventName").value;
eventObj["city"] = document.getElementById("newEventCity").value;
let stateSel = document.getElementById("newEventState");
eventObj["state"] = stateSel.options[stateSel.selectedIndex].text
eventObj["attendance"] = parseInt(
document.getElementById("newEventAttendance").value,
10
);
let eventDate = document.getElementById("newEventDate").value;
let eventDate2 = `${eventDate} 00:00`
eventObj["date"] = new Date(eventDate2).toLocaleDateString();
curEvents.push(eventObj);
localStorage.setItem("eventsArray", JSON.stringify(curEvents));
//rebuild the dropdown and data grid with the new event data
buildDropDown();
displayData();
}
</code>
</pre>
</div>
<div class="col-lg-4 col-12">
<h4>saveEventData</h4>
<p>Save the event data from a modal form into local storage</p>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</main>
<!-- ======= Footer Section ======= -->
<footer class="footer mt-auto py-3 ">
<div class="container-fluid">
<div class="row row-cols-1 row-cols-lg-3 gy-2">
<div class="col text-light order-last order-lg-first ">
<div><span class="text-muted">©2021</span> Mark Spectre | mspectre@moon.com</div>
</div>
<div class="col d-flex align-items-center justify-content-start justify-content-lg-center">
<img src="/img/MarkSpectre_WhtLogo.svg" class="mt-2" alt="" height="24">
</div>
<div class="col d-flex align-items-center justify-content-start justify-content-lg-end">
<div class="row mt-2">
<div class="col social"><a href="https://www.linkedin.com/company/coderfoundry" target="_blank"><i
class="fab fa-linkedin fa-2x"></i></a></div>
<div class="col social"><a href="https://github.com/CoderFoundry" target="_blank"><i
class="fab fa-github fa-2x"></i></a></div>
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class="fab fa-twitter fa-2x"></i></a></div>
<div class="col social"><a href="https://www.youtube.com/c/CoderFoundryBootcamp" target="_blank"><i
class="fab fa-youtube fa-2x"></i></a></div>
</div>
</div>
</div>
</div>
</footer>
</body>
<!-- Bootstrap JS -->
<script src="https://cdn.jsdelivr.net/npm/bootstrap@5.0.0/dist/js/bootstrap.bundle.min.js"
integrity="sha384-p34f1UUtsS3wqzfto5wAAmdvj+osOnFyQFpp4Ua3gs/ZVWx6oOypYoCJhGGScy+8" crossorigin="anonymous">
</script>
<script src="/js/SuperDog.js"></script>
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