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Refactor AJAX request code

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This commit is contained in:
Preston Doman 2019-02-10 18:15:32 -08:00
parent ae743ffb1a
commit 74d503c244
2 changed files with 19 additions and 80 deletions
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2
front/static/edit_report.html
View file

@ -66,7 +66,7 @@
<div class="modal-dialog modal-lg" role="document">
<div class="modal-content">
<div class="modal-header">
<h5 class="modal-title" id="editReportModalLabel"></h5>
<h5 class="modal-title text-center" id="editReportModalLabel"></h5>
<button type="button" class="close" data-dismiss="modal" aria-label="Close">
<span aria-hidden="true">&times;</span>
</button>

97
front/static/js/viewHistory.js
View file

@ -9,88 +9,25 @@ function getEndpointDomain() {
return "https://" + window.location.hostname + ":8444/";
}
function removeDataFromEndpoint(url) {
function makeAjaxRequest(method, url, callback, type, payload) {
const token = localStorage.getItem("token");
const xhr = new XMLHttpRequest();
console.log("Attempting a connection to the following endpoint: " + url);
xhr.open("DELETE", url, true);
xhr.open(method, url, true);
xhr.setRequestHeader("Authorization", "Bearer " + token);
method === "POST" ? xhr.setRequestHeader("Content-Type", "application/json") : payload = null;
xhr.onreadystatechange = function() {
if (this.readyState === 4) {
if (this.status === 200) {
console.log("DELETE SUCCESS!");
console.log("Server response:\n" + this.response);
alert("Report deleted");
location.reload(true);
} else {
console.error("DELETE FAILURE!");
console.error("Server status: " + this.status);
console.error("Server response:\n" + this.response);
}
}
};
xhr.onerror = function() {
alert("Connection error!");
};
xhr.send();
}
// Make a GET request to url and pass response to callback function
function getDataFromEndpoint(url, callback, optional) {
const token = localStorage.getItem("token");
const xhr = new XMLHttpRequest();
console.log("Attempting a connection to the following endpoint: " + url);
xhr.open("GET", url, true);
xhr.setRequestHeader("Authorization", "Bearer " + token);
xhr.onreadystatechange = function() {
if (this.readyState === 4) {
if (this.status === 200) {
console.log("GET SUCCESS!");
console.log(method + " SUCCESS!");
console.log("Server response:\n" + this.response);
let parsedData = JSON.parse(this.response);
optional ? callback(parsedData, optional) : callback(parsedData);
type ? callback(parsedData, type) : callback(parsedData);
} else {
console.error("GET FAILURE!");
console.error("Server status: " + this.status);
console.error("Server response:\n" + this.response);
}
}
};
xhr.onerror = function() {
alert("Connection error!");
};
xhr.send();
}
// Make a POST request to url and pass response to callback function
function postDataToEndpoint(url, payload, callback, optional) {
const token = localStorage.getItem("token");
const xhr = new XMLHttpRequest();
console.log("Attempting a connection to the following endpoint: " + url);
xhr.open("POST", url, true);
xhr.setRequestHeader("Authorization", "Bearer " + token);
xhr.setRequestHeader("Content-Type", "application/json");
xhr.onreadystatechange = function() {
if (this.readyState === 4) {
if (this.status === 200) {
console.log("POST SUCCESS!");
console.log("Server response:\n" + this.response);
let parsedData = JSON.parse(this.response);
optional ? callback(parsedData, optional) : callback(parsedData);
} else {
console.error("POST FAILURE!");
console.error(method + " FAILURE!");
console.error("Server status: " + this.status);
console.error("Server response:\n" + this.response);
}
@ -268,8 +205,7 @@ function createReportForm(parsedData, type) {
// Add report title and date
const reportTitle = parsedData.title;
const dateCreated = new Date(parsedData.date_created).toLocaleDateString("en-US");
modalLabel.innerHTML = reportTitle + " " + dateCreated;
modalLabel.innerHTML = reportTitle;
// Traverse the report's sections array
const sections = parsedData.sections;
@ -432,7 +368,7 @@ function displayReport(parsedData){
document.addEventListener("DOMContentLoaded", function(event) {
if (window.location.pathname === "/edit_report.html") {
const url = getEndpointDomain() + "api/v1/reports";
getDataFromEndpoint(url, displayListOfReports);
makeAjaxRequest("GET", url, displayListOfReports);
}
});
@ -445,18 +381,21 @@ document.addEventListener("click", function(event) {
if (deleteButton) {
deleteButton.setAttribute("data-rid", event.target.dataset.rid);
}
getDataFromEndpoint(url, createReportForm, type);
makeAjaxRequest("GET", url, createReportForm, type);
} else if (event.target.classList.contains("view-report-button")) {
console.log("View button clicked");
const url = getEndpointDomain() + "api/v1/report/" + event.target.dataset.rid;
getDataFromEndpoint(url, displayReport);
makeAjaxRequest("GET", url, displayReport);
} else if (event.target.classList.contains("delete-report")) {
event.preventDefault();
console.log("Delete report button clicked");
const result = confirm("Are you sure you want to delete this report?");
const title = document.querySelector("#editReportModalLabel").textContent;
const result = confirm("Are you sure you want to delete the report \"" + title + "\"?");
if (result) {
const url = getEndpointDomain() + "api/v1/report/" + event.target.dataset.rid;
removeDataFromEndpoint(url);
makeAjaxRequest("DELETE", url, function(parsedData) {
alert(parsedData.message);
location.reload(true);
});
}
}
}
@ -470,7 +409,7 @@ if (newReportForm) {
const payload = JSON.stringify({ "title": event.target.elements.title.value });
console.log("Payload:\n" + payload);
const type = reportType.NEW;
postDataToEndpoint(url, payload, createReportForm, type);
makeAjaxRequest("POST", url, createReportForm, type, payload);
this.reset();
});
}