rabbitmqphp_example/forum.html at master · nam977/rabbitmqphp_example · GitHub

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<!DOCTYPE html>

<html>
    <head>
        <meta charset="UTF-8">
        <meta name="viewport" content="width=device-width, initial-scale=1.0">
        <title> Steddit Forum </title>
    </head>

    <body>
        <header>
            <h1> Steddit Forum </h1>
            <div class="actions">
                <a class="link-button" href='loggedin.html'>Go back to dashboard </a>
                <button class="link-button" id="logoutButton" type="button">Log out </button>
            </div>
        </header>
        <main>
            <section class="panel" aria-labelledby="threadsHeading">
                <div style="display:flex;justify-content:space-between;align-items:center;gap:1rem;flex-wrap:wrap;">
                    <h2 id="threadsHeading" style="margin:0;"> Latest Threads</h2>
                    <button id="refreshThreads" type="button">Refresh</button>
                </div>

                <div id="statusMessage" role="alert" aria-live="polite"></div>
                <div id="threads" class="thread-list" aria-live="polite">
                    <p id="emptyState" class="hidden">No threads available. Start a discussion below</p>
                </div>
            </section>

            <section class="panel" aria-labelledby="createThreadHeading">
                <h2 id="createThreadHeading" style="margin:0;"> Start a new thread </h2>
                <form id="createThreadForm" novalidate>
                    <label for="threadTitle">Title</label>
                    <input type="text" id="threadTitle" name="title" placeholder="share an update or ask a question!" required>
                    <label for="threadBody">Details</label>

                    <textarea id="threadBody" name="body" placeholder="Find more information from fellow stock traders!" required></textarea>
                    <button type="submit"> Post Thread </button>
                </form>
            </section>
        </main>

        <script>
            (function(){
                const statusMessage     = document.getElementById('statusMessage');
                const threadContainer   = document.getElementById('threads');
                const emptyState        = document.getElementById('emptyState');
                const refreshButton     = document.getElementById('refreshThreads');
                const logoutButton      = document.getElementById('logoutButton');
                const createThreadForm  = document.getElementById("createThreadForm");

                const successResponse   = (res) => {
                    if(!res) return false;
                    if(res.status && typeof res.status === "string" && res.status.toLowerCase() === "success") return true;
                    if (typeof res.returnCode !== "undefined" && Number(res.returnCode) === 0) return true;
                    if (res.valid === true) return true;
                    if (res.ok === true) return true;
                    if (res.success === true) return true;
                    return false;
                };

                const readSessionData = () => {
                    let sessionId = sessionStorage.getItem('session_id');
                    let authToken = sessionStorage.getItem('auth_token');

                    if (!sessionId || !authToken) {
                        const LsSid     = localStorage.getItem('session_id');
                        const LsToken   = localStorage.getItem('auth_token');
                        if (LsSid && LsToken) {
                            sessionStorage.setItem('session_id', LsSid);
                            sessionStorage.setItem('auth_token', LsToken);
                            sessionId = LsSid;
                            authToken = LsToken;
                        }
                    }

                    if (!sessionId || !authToken) return null;

                    return {
                        session_id: sessionId,
                        sessionId,
                        sessionid: sessionId,
                        auth_token: authToken
                    };
                };

                const requireSessionData = () => {
                    const session = readSessionData();
                    if (!session) {
                        throw new Error('Missing session credentials. Please log in again.');
                    }
                    return session;
                };

                const redirectToLogin = (message) => {
                    alert(message || 'Session is no longer valid! Redirecting back to login page');
                    window.location.href = "index.html";
                };

                const TYPE_ALIASES = {
                    validate_session:   ['validate_session'],
                    list_threads:       ['list_threads'],
                    create_thread:      ['create_thread']
                };

                const request = async(type, payload = {}, {needsSession = true} = {}) => {
                    const sessionData = needsSession ? requireSessionData() : (readSessionData() || {});
                    const candidates = TYPE_ALIASES[type] || [type];
                    let lastErr;

                    for (const t of candidates){
                        try {
                            const base = needsSession ? requireSessionData() : {};
                            const clean = { ...base, ...payload };

                            const allow = {
                                validate_session:  ['session_id', 'auth_token'],
                                list_threads:      ['session_id', 'auth_token'],
                                create_thread:     ['session_id', 'auth_token', 'title', 'body']
                            }[type] || Object.keys(clean);

                            const filtered = {};

                            for (const k of allow){
                                if (clean[k] !== undefined){
                                    filtered[k] = clean[k];
                                }
                            }

                            const body = JSON.stringify({ ...filtered, type: t });
                            console.debug('[request body] =', body);

                            if (t === "create_thread"){
                                const box =
                                document.getElementById('requestPreview') ||
                                (() => {
                                    const el = document.createElement('div');
                                    el.id = 'requestPreview';
                                    document.querySelector("#createThreadForm").after(el);
                                    return el;
                                })();
                                box.textContent = `\nTitle: ${filtered.title}\n\nBody: ${filtered.body}`;
                            }

                            const response = await fetch(`mqGateway.php`, {
                                method: 'POST',
                                headers: {
                                    'Content-Type': 'application/json',
                                    'Accept': 'application/json'
                                },
                                credentials: 'same-origin',
                                body
                            });

                            if (!response.ok){
                                const text = await response.text().catch(() => '');
                                if (response.status == 400 && /unknown request type/i.test(text)){
                                    lastErr = new Error('Unknown request type');
                                    continue;
                                }
                                throw new Error(`Server Error: ${response.status} ${response.statusText} ${text}`);
                            }

                            const data = await response.json().catch(() => {
                                console.debug('[response text] =', data);
                                throw new Error("Invalid JSON response from gateway");
                            })

                            return data;
                        }catch (e){
                            lastErr = e;
                            if(!(e.message && e.message.toLowerCase().includes('unknown request type'))){
                                break;
                            }
                        }
                    }

                    throw lastErr || new Error('Request failed for unknown reasons');
                };

                const toBool = (v) => v === true || v === 'true' || v === 1 || v === '1';

                const ensureAuthentication = async () => {
                    try {
                        const session = readSessionData();
                        if (!session || !session.session_id || !session.auth_token){
                            throw new Error('Missing session credentials. Please log in again.');
                        }

                        console.log('validate_session ->', session.session_id, session.auth_token);

                        const res = await request('validate_session');

                        const ok =
                          !!(res && typeof res === "object" && (
                              successResponse(res) ||
                                toBool(res.session_valid) ||
                                toBool(res.valid) ||
                                toBool(res.authenticated) ||
                                toBool(res.ok) ||
                                (typeof res.status === "string" && res.status.toLowerCase() === "ok")
                            )
                        );

                        if(!ok){
                            throw new Error(res.message || "Session is no longer valid");
                        }
                    } catch (err){
                        console.error(err);
                        redirectToLogin(err.message);
                        return;
                    }
                };

                const renderThread = (threads = []) => {
                    threadContainer.innerHTML = '';
                    if (!threads.length){
                        emptyState.classList.remove('hidden');
                        threadContainer.appendChild(emptyState);
                        return;
                    }

                emptyState.classList.add('hidden');
                const fragment = document.createDocumentFragment();

                threads.forEach((thread) => {
                    const card = document.createElement('article');
                    card.className = "thread-card";

                    const title = document.createElement("h2");
                    title.textContent = thread.title || 'Untitled Thread';
                    card.appendChild(title);

                    if(thread.body){
                        const body = document.createElement('p');
                        body.textContent = thread.body;
                        card.appendChild(body);
                    }

                    const meta = document.createElement('div');
                    meta.className = 'thread-meta';
                    const author = thread.author || thread.username || 'anonymous';
                    const created = thread.created_at ? new Date(thread.created_at).toLocaleString() : '';
                    meta.textContent = created ? `${author} • ${created}` : author;
                    card.appendChild(meta);
                    fragment.appendChild(card);
                });
                threadContainer.appendChild(fragment);
            };

            const loadThreads = async () => {
                statusMessage.textContent = 'Loading threads.';

                try {
                    const res = await request('list_threads');

                    const threads =
                      Array.isArray(res?.threads) ? res.threads :
                      Array.isArray(res?.data)    ? res.data    :
                      Array.isArray(res?.items)   ? res.items   :
                      null;

                    if (threads){
                        renderThread(threads);
                        statusMessage.textContent = '';
                    } else if(successResponse(res)){
                        renderThread([]);
                        statusMessage.textContent = '';
                    } else {
                        throw new Error(res.message || "Unable to load threads");
                    }

                } catch (err){
                    console.log(err);
                    statusMessage.textContent = err.message;
                    renderThread([]);
                }
            };

            const createThread = async (title, body) => {
                statusMessage.textContent = "Posting thread";

                try {
                    const res = await request('create_thread', {title, body});

                    if (!successResponse(res) && !(res?.ok === true || res?.success === true || res?.created === true)){
                        console.warn("Create returned non-standard response:", res);
                    }
                    createThreadForm.reset();
                    await loadThreads();
                    statusMessage.textContent = "Thread posted successfully!";
                    setTimeout(() => { statusMessage.textContent = '';}, 2500);
                }catch (err){
                    console.error(err);
                    statusMessage.textContent = err.message;
                }
            };

            const logout = async () => {
                document.cookie = 'session_id=; Max-Age=0; path=/;';
                document.cookie = 'auth_token=; Max-Age=0; path=/;';
                sessionStorage.clear();
                localStorage.clear();
                window.location.href = "index.html";
            };

            logoutButton.addEventListener('click', logout);
            refreshButton.addEventListener('click', loadThreads);

            createThreadForm.addEventListener('submit', async (event) => {
                event.preventDefault();

                const title = document.getElementById('threadTitle').value.trim();
                const body = document.getElementById('threadBody').value.trim();

                if (!title || !body){
                    statusMessage.textContent = "Please provide a thread title and some thread details";
                    return;
                }

                await createThread(title, body);
            });
            window.addEventListener('DOMContentLoaded', async () => {
                await ensureAuthentication();
                await loadThreads();
            });
        })();
        </script>
    </body>
</html>