[KDC]웹개발 - 4주차

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• firebase: 백엔드 서버 구축 없이 웹 서버 만들 수 있음
• firestore: firebase 기반 NoSQL 데이터베이스

<script type="module">
        // Firebase SDK 라이브러리 가져오기
        import { initializeApp } from "https://www.gstatic.com/firebasejs/9.22.0/firebase-app.js";
        import { getFirestore } from "https://www.gstatic.com/firebasejs/9.22.0/firebase-firestore.js";
        import { collection, addDoc } from "https://www.gstatic.com/firebasejs/9.22.0/firebase-firestore.js";
        import { getDocs } from "https://www.gstatic.com/firebasejs/9.22.0/firebase-firestore.js";

        // For Firebase JS SDK v7.20.0 and later, measurementId is optional
        const firebaseConfig = {
            apiKey: "AIzaSyCz-aTF0iQvQilKJyrTHQxg1T2X_13trtw",
            authDomain: "sparta-49ce5.firebaseapp.com",
            projectId: "sparta-49ce5",
            storageBucket: "sparta-49ce5.appspot.com",
            messagingSenderId: "819019173056",
            appId: "1:819019173056:web:e47a0781c0b38268923125",
            measurementId: "G-0NFWX91DD1"
        };

        // Firebase 인스턴스 초기화
        const app = initializeApp(firebaseConfig);
        const db = getFirestore(app);


        $(document).ready(function () {
            let url = "http://spartacodingclub.shop/sparta_api/seoulair";
            fetch(url).then(res => res.json()).then(data => {
                let mise = data['RealtimeCityAir']['row'][0]['IDEX_NM']
                $('#msg').text(mise)
            })
        })

        function openclose() {
            $('#postingbox').toggle();
        }
        function makeCard() {
            let image = $('#image').val();
            let title = $('#title').val();
            let content = $('#content').val();
            let date = $('#date').val();

            let temp_html = `
            <div class="col">
                <div class="card h-100">
                    <img src="${image}"
                        class="card-img-top" alt="...">
                    <div class="card-body">
                        <h5 class="card-title">${title}</h5>
                        <p class="card-text">${content}</p>
                    </div>
                    <div class="card-footer">
                        <small class="text-muted">${date}</small>
                    </div>
                </div>
            </div>`;
            $('#card').append(temp_html);
        }
    </script>

firebase를 사용하려면 script 타입을 module로 바꾸는데,
그러면 button의 onclick() 효과가 먹히지 않음 따로 코드 작성 필요

• firestore에 데이터를 추가하는 코드 구조

$("#id").click(async function () {
    let doc = {};
    await addDoc(collection(db, "콜렉션이름"), doc);
})

• firestore에서 데이터를 가져와 웹에 나타내기

let url = "http://spartacodingclub.shop/sparta_api/seoulair";
        fetch(url).then(res => res.json()).then(data => {
            let mise = data['RealtimeCityAir']['row'][0]['IDEX_NM']
            $('#msg').text(mise)
        })

        let docs = await getDocs(collection(db, "albums"));
        docs.forEach((doc) => {
            let row = doc.data();

            let image = row['image'];
            let title = row['title'];
            let content = row['content'];
            let date = row['date'];

            let temp_html = `
            <div class="col">
                <div class="card h-100">
                    <img src="${image}"
                        class="card-img-top" alt="...">
                    <div class="card-body">
                        <h5 class="card-title">${title}</h5>
                        <p class="card-text">${content}</p>
                    </div>
                    <div class="card-footer">
                        <small class="text-muted">${date}</small>
                    </div>
                </div>
            </div>`;
            $('#card').append(temp_html);
        });