mirror of
https://github.com/cse110-fa22-group29/cse110-fa22-group29.git
synced 2024-11-14 14:56:18 +00:00
273 lines
8.5 KiB
JavaScript
273 lines
8.5 KiB
JavaScript
//reviewDetails.js
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import { deleteReviewFromStorage, getReviewFromStorage, updateReviewToStorage } from "./localStorage.js";
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// Run the init() function when the page has loaded
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window.addEventListener("DOMContentLoaded", init);
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/**
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* Populates the relevant data to the details from local storage review.
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*/
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function init() {
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setupInfo();
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setupDelete();
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setupUpdate();
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}
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/**
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* Populates the relevant data to the details from local storage review
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*/
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function setupInfo() {
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let currID = JSON.parse(sessionStorage.getItem("currID"));
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let currReview = getReviewFromStorage(currID);
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//meal image
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let mealImg = document.getElementById("d-meal-img");
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mealImg.setAttribute("src", currReview["mealImg"]);
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mealImg.addEventListener("error", function (e) {
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mealImg.setAttribute("src", "./assets/images/default_plate.png");
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e.onerror = null;
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});
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//meal name
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let mealLabel = document.getElementById("d-meal-name");
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mealLabel.innerHTML = currReview["mealName"];
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//restaurant name
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let restaurantLabel = document.getElementById("d-restaurant");
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restaurantLabel.innerHTML = currReview["restaurant"];
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//comments
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let comments = document.getElementById("d-comments");
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comments.innerText = currReview["comments"];
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//rating
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let starsImg = document.getElementById("d-rating");
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starsImg.setAttribute("src", "./assets/images/" + currReview["rating"] + "-star.svg");
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starsImg.setAttribute("alt", currReview["rating"] + " stars");
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//tags
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let tagContainer = document.getElementById("d-tags");
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if (currReview["tags"]) {
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for (let i = 0; i < currReview["tags"].length; i++) {
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let newTag = document.createElement("label");
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newTag.setAttribute("class", "d-tag");
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newTag.innerHTML = currReview["tags"][i];
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tagContainer.append(newTag);
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}
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}
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}
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/**
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* Sets up delete button to delete reveiw from storage and switch to homepage.
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*/
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function setupDelete() {
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let deleteBtn = document.getElementById("delete-btn");
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let currID = JSON.parse(sessionStorage.getItem("currID"));
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deleteBtn.addEventListener("click", function () {
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if (window.confirm("Are you sure you want to delete this entry?")) {
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deleteReviewFromStorage(currID);
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sessionStorage.removeItem("currID");
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window.location.assign("./index.html");
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}
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});
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}
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/**
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* Sets up update button to reveal form and update info in storage and the current page.
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*/
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function setupUpdate() {
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let updateBtn = document.getElementById("update-btn");
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let currID = JSON.parse(sessionStorage.getItem("currID"));
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let currReview = getReviewFromStorage(currID);
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let form = document.getElementById("new-food-entry");
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let updateDiv = document.getElementById("update-form");
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updateBtn.addEventListener("click", function () {
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//update function
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updateDiv.classList.remove("hidden");
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let tagContainer = document.getElementById("tag-container-form");
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//Set value of each input element to current's values
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document.getElementById("mealImg").defaultValue = currReview["mealImg"];
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document.getElementById("mealName").defaultValue = currReview["mealName"];
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document.getElementById("comments").textContent = currReview["comments"];
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document.getElementById("s" + `${currReview["rating"]}`).checked = true;
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document.getElementById("restaurant").defaultValue = currReview["restaurant"];
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//Set used to track tags and ensure no duplicates
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let tagSet = new Set();
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if (currReview["tags"]) {
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while (tagContainer.firstChild) {
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tagContainer.removeChild(tagContainer.firstChild);
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}
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let tagSetVal;
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for (let i = 0; i < currReview["tags"].length; i++) {
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tagSetVal = currReview["tags"][i].toLowerCase();
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tagSet.add(tagSetVal);
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let newTag = document.createElement("label");
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newTag.setAttribute("class", "tag");
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newTag.innerHTML = currReview["tags"][i];
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newTag.addEventListener("click", () => {
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tagContainer.removeChild(newTag);
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tagSet.delete(tagSetVal);
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});
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tagContainer.append(newTag);
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}
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}
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// Declaring variable storing image data url
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let imgDataURL = "";
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// Accessing components related to taking photo
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let videoMode = true;
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let player = document.getElementById("player");
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let canvas = document.getElementById("photoCanvas");
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let photoButton = document.getElementById("photoButton");
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let context = canvas.getContext("2d");
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// Event listener for the photo taking/reset button
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photoButton.addEventListener("click", () => {
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// capturing the current video frame
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if (videoMode) {
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videoMode = false;
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// setting up the appropriate components for displaying the photo preview
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photoButton.innerText = "Retake";
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player.setAttribute("hidden", "");
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canvas.removeAttribute("hidden", "");
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// displaying the captured snapshot on a canvas and saving it as a data url
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context.drawImage(player, 0, 0, canvas.width, canvas.height);
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imgDataURL = canvas.toDataURL();
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}
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// returning to displaying the video stream
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else {
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videoMode = true;
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// setting up the appropriate components for the video stream
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photoButton.innerText = "Take Photo";
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canvas.setAttribute("hidden", "");
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player.removeAttribute("hidden", "");
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}
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});
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/*
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* change the input source of the image between local file and taking photo
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* depending on user's selection
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*/
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let select = document.getElementById("select");
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const input = document.getElementById("mealImg");
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select.addEventListener("change", function () {
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console.log("1");
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// Select a photo with HTML file selector
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if (select.value == "file") {
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// enabling file upload components and hiding photo taking components
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input.removeAttribute("hidden", "");
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player.setAttribute("hidden", "");
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canvas.setAttribute("hidden", "");
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photoButton.setAttribute("hidden", "");
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// stopping the video stream
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player.srcObject.getVideoTracks()[0].stop();
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}
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// Take a photo
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else {
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// enabling photo taking components and hiding file upload components
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videoMode = true;
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photoButton.innerText = "Take Photo";
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input.setAttribute("hidden", "");
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player.removeAttribute("hidden", "");
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photoButton.removeAttribute("hidden", "");
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// getting video stream from user's camera then displaying it on a video element
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navigator.mediaDevices.getUserMedia({ video: true }).then((stream) => {
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player.srcObject = stream;
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});
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}
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});
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//addressing sourcing image from local file
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document.getElementById("mealImg").addEventListener("change", function () {
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console.log("reading used");
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const reader = new FileReader();
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//store image data URL after successful image load
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reader.addEventListener(
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"load",
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() => {
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imgDataURL = reader.result;
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},
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false
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);
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//convert image file into data URL for local storage
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reader.readAsDataURL(document.getElementById("mealImg").files[0]);
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});
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//Take formdata values as newData when submit
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form.addEventListener("submit", function () {
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/*
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* User submits the form for their review.
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* We create reviewCard data, replace in storage, and update tags
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*/
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let formData = new FormData(form);
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let newData = {};
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//iterate through formData and add to newData
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for (let [key, value] of formData) {
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console.log(`${key}`);
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console.log(`${value}`);
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if (`${key}` !== "tag-form") {
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newData[`${key}`] = `${value}`;
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}
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// Account for the case where image is not updated
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if (`${key}` === "mealImg" && imgDataURL === "") {
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newData["mealImg"] = currReview["mealImg"];
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} else if (`${key}` === "mealImg") {
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newData["mealImg"] = imgDataURL;
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}
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}
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newData["tags"] = [];
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let tags = document.querySelectorAll(".tag");
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for (let i = 0; i < tags.length; i++) {
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newData["tags"].push(tags[i].innerHTML);
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tagContainer.removeChild(tags[i]);
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}
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newData["reviewID"] = currID;
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updateReviewToStorage(currID, newData);
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updateDiv.classList.add("hidden");
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});
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// Adding tag to form functionality
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let tagAddBtn = document.getElementById("tag-add-btn");
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tagAddBtn.addEventListener("click", () => {
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let tagField = document.getElementById("tag-form");
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if (tagField.value.length > 0) {
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let tagSetVal = tagField.value.toLowerCase();
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if (!tagSet.has(tagSetVal)) {
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let tagLabel = document.createElement("label");
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tagLabel.innerHTML = tagField.value;
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tagLabel.setAttribute("class", "tag");
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tagSet.add(tagSetVal);
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tagLabel.addEventListener("click", () => {
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tagContainer.removeChild(tagLabel);
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tagSet.delete(tagSetVal);
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});
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tagContainer.append(tagLabel);
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} else {
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window.alert("No duplicate tags allowed");
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}
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tagField.value = "";
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}
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});
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});
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}
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