manage markdowns by path

BuildConfig.sh

@@ -1,4 +1,4 @@
-#！/bin/bash
+#!/bin/bash
 rm -f /app/config.js;
 if [ -z "$BACKEND_HOST" ]; then
     BACKEND_HOST="http://localhost:5000"

Dockerfile

@@ -8,7 +8,6 @@ RUN npm install
 COPY . .
 COPY BuildConfig.sh /app/BuildConfig.sh
 RUN chmod +x /app/BuildConfig.sh
-RUN /app/BuildConfig.sh >&1
 RUN npm run build
 
 EXPOSE 3000

src/components/MarkdownContent.js

@@ -3,7 +3,7 @@
 
 import React, { useEffect, useState } from "react";
 import { useParams } from "react-router-dom";
-import {fetchWithCache} from "../utils/fetchWithCache";
+import {fetch_} from "../utils/requestUtils";
 
 const MarkdownContent = () => {
     const { id } = useParams();
@@ -11,7 +11,10 @@ const MarkdownContent = () => {
     const [error, setError] = useState(null);
 
     useEffect(() => {
-        fetchWithCache(`/api/markdown/${id}`)
+        fetch_(`/api/markdown/${id}`, {}, {
+            use_cache: true,
+            use_token: false
+        })
             .then((data) => setContent(data))
             .catch((error) => setError(error));
     }, [id]);

src/components/Markdowns/MarkdownEditor.js

@@ -1,7 +1,6 @@
 import React, { useContext, useEffect, useState } from "react";
 import { AuthContext } from "../../AuthProvider";
 import { useNavigate, useParams } from "react-router-dom";
-import { fetchWithCache } from "../../utils/fetchWithCache";
 import ReactMarkdown from "react-markdown";
 import remarkMath from "remark-math";
 import rehypeKatex from "rehype-katex";
@@ -11,6 +10,7 @@ import { okaidia } from "react-syntax-highlighter/dist/esm/styles/prism";
 import "katex/dist/katex.min.css";
 import "./MarkdownEditor.css";
 import config from "../../config";
+import {fetch_} from "../../utils/requestUtils";
 
 const MarkdownEditor = () => {
     const { roles } = useContext(AuthContext);
@@ -22,7 +22,10 @@ const MarkdownEditor = () => {
 
     useEffect(() => {
         if (id) {
-            fetchWithCache(`/api/markdown/${id}`)
+            fetch_(`/api/markdown/${id}`, {}, {
+                use_cache: true,
+                use_token: false
+            })
                 .then((data) => {
                     setTitle(data.title);
                     setContent(data.content);
@@ -37,26 +40,23 @@ const MarkdownEditor = () => {
     const handleSave = () => {
         const url = id ? `${config.BACKEND_HOST}/api/markdown/${id}` : `${config.BACKEND_HOST}/api/markdown`;
         const method = id ? "PUT" : "POST";
-        fetch(url, {
+        fetch_(url, {
             method,
-            headers: {
-                "Content-Type": "application/json",
-                Authorization: `Bearer ${localStorage.getItem("accessToken")}`,
-            },
             body: JSON.stringify({ title, content, path }),
+        }, {
+            use_cache: false,
+            use_token: true,
+        }).then((res) => {
+            if(res.ok)
+                navigate("/");
+            else
+                return res.json().then((data) => {
+                    throw new Error(data.error || "Failed to load markdown");
+                });
+        }).catch((err) => {
+            console.error("failed to load markdown", err);
         })
-            .then((res) => {
+
-                if (res.ok) {
-                    navigate("/");
-                } else {
-                    return res.json().then((data) => {
-                        throw new Error(data.error || "Failed to save markdown");
-                    });
-                }
-            })
-            .catch((err) => {
-                console.error("failed to load markdown", err);
-            });
     };
 
     const hasPermission = roles.includes("admin") || roles.includes("creator");

src/components/Navigations/PathNode.css

@@ -0,0 +1,37 @@
+
+.menu {
+    background-color: white;
+    border: 1px solid #eee;
+}
+
+.path-node {
+    margin-left: 1rem;
+}
+
+.path-node > .has-text-weight-bold {
+    display: inline-flex;
+    align-items: center;
+    padding: 0.25rem 0;
+}
+
+.path-node .is-expanded {
+    font-size: 1rem;
+    font-weight: bold;
+    color: #363636;
+}
+
+.path-node .menu-list-item {
+    padding: 0.25rem 0.5rem;
+    border-radius: 4px;
+}
+
+.path-node .menu-list-item:hover {
+    background-color: #f0f0f0;
+    color: #00d1b2;
+}
+
+.loading-indicator {
+    color: #00d1b2;
+    font-size: 0.9rem;
+    margin-left: 1rem;
+}

src/components/Navigations/PathNode.js

@@ -0,0 +1,221 @@
+import React, { useState } from "react";
+import { Link } from "react-router-dom";
+import PermissionGuard from "../PermissionGuard";
+import config from "../../config";
+import "./PathNode.css";
+import {fetch_} from "../../utils/requestUtils";
+
+const PathNode = ({ path, isRoot = false }) => {
+    const [children, setChildren] = useState([]);
+    const [markdowns, setMarkdowns] = useState([]);
+    const [isExpanded, setIsExpanded] = useState(isRoot); // Root is always expanded
+    const [loading, setLoading] = useState(false);
+    const [isEditing, setIsEditing] = useState(false); // Track if editing
+    const [editData, setEditData] = useState({
+        name: path.name,
+        parent_id: path.parent_id,
+    });
+
+    const toggleExpand = () => {
+        if (isRoot || isExpanded) {
+            setIsExpanded(false);
+            return;
+        }
+
+        setIsExpanded(true);
+
+        if (children.length === 0 && markdowns.length === 0) {
+            setLoading(true);
+            fetch_(`${config.BACKEND_HOST}/api/path/parent/${path.id}`, {}, {
+                use_cache: true,
+                use_token: false
+            })
+                .then((childPaths) => {
+                    setChildren(childPaths);
+                    return fetch_(
+                        `${config.BACKEND_HOST}/api/markdown/by_path/${path.id}`
+                    );
+                })
+                .then((markdownData) => setMarkdowns(markdownData))
+                .catch((error) => console.error(error))
+                .finally(() => setLoading(false));
+        }
+    };
+
+    const handleDelete = () => {
+        if (window.confirm(`Are you sure you want to delete ${path.name}?`)) {
+            fetch_(`${config.BACKEND_HOST}/api/path/${path.id}`, {
+                method: "DELETE"
+            }, {
+                use_cache: false,
+                use_token: true
+            })
+                .then((response) => {
+                    if (response.ok) {
+                        alert("Path deleted successfully!");
+                        setChildren([]);
+                        setMarkdowns([]);
+                    } else {
+                        response.json().then((data) => {
+                            alert(data.error || "Failed to delete path.");
+                        });
+                    }
+                })
+                .catch((error) => console.error(error));
+        }
+    };
+
+    const handleEdit = () => {
+        setIsEditing(true);
+    };
+
+    const handleEditSubmit = (e) => {
+        e.preventDefault();
+        fetch_(`${config.BACKEND_HOST}/api/path/${path.id}`, {
+            method: "PUT",
+            body: JSON.stringify(editData),
+        },{
+            use_cache: false,
+            use_token: true
+        })
+            .then((response) => {
+                if (response.ok) {
+                    alert("Path updated successfully!");
+                    path.name = editData.name;
+                    path.parent_id = editData.parent_id;
+                    setIsEditing(false);
+                } else {
+                    response.json().then((data) => {
+                        alert(data.error || "Failed to update path.");
+                    });
+                }
+            })
+            .catch((error) => console.error(error));
+    };
+
+    const handleEditCancel = () => {
+        setEditData({ name: path.name, parent_id: path.parent_id });
+        setIsEditing(false);
+    };
+
+    return (
+        <li>
+            <div className="path-node-header">
+                <span
+                    className={`has-text-weight-bold ${
+                        isRoot ? "" : "is-clickable"
+                    }`}
+                    onClick={isRoot ? undefined : toggleExpand}
+                    style={{ cursor: isRoot ? "default" : "pointer" }}
+                >
+                    {isExpanded && !isRoot ? "▼ " : isRoot ? "" : "▶ "}
+                    {path.name}
+                </span>
+
+                {/* Admin controls */}
+                <PermissionGuard rolesRequired={["admin"]}>
+                    <span className="path-node-actions">
+                        <button
+                            onClick={handleEdit}
+                            className="button is-small is-info is-light"
+                        >
+                            Edit
+                        </button>
+                        <button
+                            onClick={handleDelete}
+                            className="button is-small is-danger is-light"
+                        >
+                            Delete
+                        </button>
+                    </span>
+                </PermissionGuard>
+            </div>
+
+            {isExpanded && (
+                <ul>
+                    {/* Render child paths */}
+                    {loading && <p>Loading...</p>}
+                    {children.map((child) => (
+                        <PathNode key={child.id} path={child} />
+                    ))}
+
+                    {/* Render markdowns */}
+                    {markdowns.map((markdown) => (
+                        <li key={markdown.id} className="menu-list-item">
+                            <Link
+                                to={`/markdown/${markdown.id}`}
+                                className="is-link"
+                            >
+                                {markdown.title}
+                            </Link>
+                        </li>
+                    ))}
+                </ul>
+            )}
+
+            {/* Edit Popup */}
+            {isEditing && (
+                <div className="popup">
+                    <div className="popup-content">
+                        <form onSubmit={handleEditSubmit}>
+                            <h3>Edit Path</h3>
+                            <div className="field">
+                                <label className="label">Name</label>
+                                <div className="control">
+                                    <input
+                                        className="input"
+                                        type="text"
+                                        value={editData.name}
+                                        onChange={(e) =>
+                                            setEditData({
+                                                ...editData,
+                                                name: e.target.value,
+                                            })
+                                        }
+                                        required
+                                    />
+                                </div>
+                            </div>
+                            <div className="field">
+                                <label className="label">Parent ID</label>
+                                <div className="control">
+                                    <input
+                                        className="input"
+                                        type="number"
+                                        value={editData.parent_id}
+                                        onChange={(e) =>
+                                            setEditData({
+                                                ...editData,
+                                                parent_id: Number(
+                                                    e.target.value
+                                                ),
+                                            })
+                                        }
+                                        required
+                                    />
+                                </div>
+                            </div>
+                            <div className="buttons">
+                                <button
+                                    type="submit"
+                                    className="button is-primary"
+                                >
+                                    Save
+                                </button>
+                                <button
+                                    type="button"
+                                    className="button is-light"
+                                    onClick={handleEditCancel}
+                                >
+                                    Cancel
+                                </button>
+                            </div>
+                        </form>
+                    </div>
+                </div>
+            )}
+        </li>
+    );
+};
+
+export default PathNode;

src/components/Navigations/SideNavigation.css

@@ -1,60 +1,47 @@
 /* src/components/SideNavigation.css */
-.side-navigation {
+.menu {
-    width: 250px;
+    border: 1px solid #ddd;
-    background-color: #ffffff;
+    border-radius: 8px;
     padding: 1rem;
-    border-right: 1px solid #dbdbdb;
+    background-color: #f9f9f9;
-    height: 100%;
-    overflow-y: auto;
-    box-shadow: 2px 0 5px rgba(0, 0, 0, 0.1);
 }
 
-.side-navigation h3 {
+.menu-label {
-    font-size: 1.2rem;
+    font-size: 1.25rem;
-    font-weight: 600;
-    color: #4a4a4a;
-    margin-bottom: 0.75rem;
-    border-bottom: 1px solid #dbdbdb;
-    padding-bottom: 0.5rem;
-}
-
-.side-navigation ul {
-    list-style: none;
-    padding: 0;
-    margin: 0;
-}
-
-.side-navigation ul li {
-    margin-bottom: 0.5rem;
-    transition: background-color 0.3s ease, padding-left 0.3s ease;
-}
-
-.side-navigation ul li:hover {
-    background-color: #f5f5f5;
-    padding-left: 10px;
-}
-
-.side-navigation ul li a {
-    text-decoration: none;
-    color: #3273dc;
-    font-weight: 500;
-    display: inline-block;
-    width: 100%;
-    padding: 0.5rem 0.75rem;
-    border-radius: 4px;
-    transition: color 0.3s ease, background-color 0.3s ease;
-}
-
-.side-navigation ul li a:hover {
-    text-decoration: none;
-    color: #ffffff;
-    background-color: #3273dc;
-}
-
-.side-navigation ul li span {
-    font-weight: 700;
     color: #363636;
-    margin-bottom: 0.5rem;
+    margin-bottom: 1rem;
-    display: inline-block;
+}
-    padding: 0.5rem 0.75rem;
+
-}
+.menu-list {
+    margin-left: 0;
+}
+
+.menu-list-item {
+    padding: 0.5rem;
+    font-size: 1rem;
+    color: #4a4a4a;
+    border-bottom: 1px solid #ddd;
+}
+
+.menu-list-item:last-child {
+    border-bottom: none;
+}
+
+.menu-list-item:hover {
+    background-color: #f5f5f5;
+    color: #00d1b2;
+}
+
+.has-text-weight-bold {
+    font-weight: 600;
+    cursor: pointer;
+}
+
+.is-clickable {
+    color: #3273dc;
+    text-decoration: underline;
+}
+
+.is-clickable:hover {
+    color: #2759a7;
+}

src/components/Navigations/SideNavigation.js

@@ -1,86 +1,46 @@
 import React, { useEffect, useState } from "react";
-import { Link } from "react-router-dom";
-import { fetchWithCache } from "../../utils/fetchWithCache";
 import PermissionGuard from "../PermissionGuard";
+import PathNode from "./PathNode";
 import config from "../../config";
-
+import "./SideNavigation.css";
+import {fetch_} from "../../utils/requestUtils";
 const SideNavigation = () => {
-    const [markdowns, setMarkdowns] = useState([]);
+    const [paths, setPaths] = useState([]);
-    const [tree, setTree] = useState(null);
+    const [loading, setLoading] = useState(false);
 
     useEffect(() => {
-        fetchWithCache(`${config.BACKEND_HOST}/api/markdown/`)
+        setLoading(true);
+        fetch_(`${config.BACKEND_HOST}/api/path/`, {},{ use_cache: true, use_token:false })
             .then((data) => {
-                setMarkdowns(data);
+                setPaths(data);
-                setTree(buildTree(data));
             })
-            .catch((error) => console.log(error));
+            .catch((error) => console.log(error))
+            .finally(() => setLoading(false));
     }, []);
 
-    function buildTree(markdowns) {
-        const root = {};
-
-        markdowns.forEach((markdown) => {
-            const segments = markdown.path.split("/").filter(Boolean);
-            let current = root;
-
-            segments.forEach((segment, index) => {
-                if (!current[segment]) {
-                    current[segment] =
-                        index === segments.length - 1 ? { markdown } : {};
-                }
-                current = current[segment];
-            });
-        });
-
-        return root;
-    }
-
-    function renderTree(node, basePath = "") {
-        return (
-            <ul>
-                <PermissionGuard rolesRequired={["admin", "creator"]}>
-                    <li>
-                        <Link
-                            to="/markdown/create"
-                            className="button is-primary is-small"
-                        >
-                            Create New Markdown
-                        </Link>
-                    </li>
-                </PermissionGuard>
-                {Object.entries(node).map(([key, value]) => {
-                    if (value.markdown) {
-                        return (
-                            <li key={value.markdown.id} className="menu-list-item">
-                                <Link
-                                    to={`${config.BACKEND_HOST}/markdown/${value.markdown.id}`}
-                                    className="is-link"
-                                >
-                                    {value.markdown.title}
-                                </Link>
-                            </li>
-                        );
-                    }
-                    return (
-                        <li key={key}>
-                            <span className="has-text-weight-bold">{key}</span>
-                            {renderTree(value, `${basePath}/${key}`)}
-                        </li>
-                    );
-                })}
-            </ul>
-        );
-    }
-
     return (
         <aside className="menu">
             <p className="menu-label">Markdown Directory</p>
+            <PermissionGuard rolesRequired={["admin", "creator"]}>
+                <a
+                    href="/markdown/create"
+                    className="button is-primary is-small"
+                >
+                    Create New Markdown
+                </a>
+            </PermissionGuard>
             <ul className="menu-list">
-                {tree ? renderTree(tree) : <p>Loading...</p>}
+                {loading && <p>Loading...</p>}
+                {paths.map((path) => (
+                    <PathNode
+                        key={path.id}
+                        path={path}
+                        isRoot={true}
+                    />
+                ))}
             </ul>
         </aside>
     );
 };
 
-export default SideNavigation;
+export default SideNavigation;

src/index.js

@@ -5,10 +5,6 @@ import AuthProvider from "./AuthProvider";
 import "bulma/css/bulma.min.css";
 
 
-
-//ReactDOM.render(<App />, document.getElementById("root"));
-
-
 const root =  ReactDOM.createRoot(document.getElementById("root"));
 root.render(
     <AuthProvider>

src/utils/fetchWithCache.js

@@ -1,44 +0,0 @@
-const ongoingRequests = new Map();
-
-export async function fetchWithCache(url, cacheKey = url, cacheExpiry = 60) {
-    if (ongoingRequests.has(url)) {
-        return ongoingRequests.get(url);
-    }
-
-    const cachedData = localStorage.getItem(cacheKey);
-    const now = Date.now();
-
-    if (cachedData) {
-        const { data, timestamp } = JSON.parse(cachedData);
-        if (now - timestamp < cacheExpiry * 1000) {
-            console.log("Cache hit for:", url);
-            return data;
-        } else {
-            console.log("Cache expired for:", url);
-        }
-    }
-
-    try {
-        const token = localStorage.getItem("accessToken");
-        const headers = {
-            ...(token? {Authorization: `Bearer ${token}`} : {}),
-        }
-        const fetchPromise = fetch(url, {headers})
-            .then((response) => {
-                if (!response.ok) {
-                    throw new Error(`HTTP error! Status: ${response.status}`);
-                }
-                return response.json();
-            })
-            .then((data) => {
-                localStorage.setItem(cacheKey, JSON.stringify({ data, timestamp: now }));
-                ongoingRequests.delete(url);
-                return data;
-            });
-        ongoingRequests.set(url, fetchPromise);
-        return await fetchPromise;
-    } catch (error) {
-        ongoingRequests.delete(url);
-        throw error;
-    }
-}

src/utils/requestUtils.js

@@ -0,0 +1,88 @@
+const ongoingRequests = new Map();
+
+
+function _default_hash_function(url, method, body){
+    const url_obj = new URL(url, window.location.origin);
+
+    const query_params = [...url_obj.searchParams.entries()]
+        .sort(([a], [b]) => a.localeCompare(b))
+        .map(([key, value]) => `${key}=${value}`)
+        .join("&");
+    const normalized_url = `${url_obj.origin}${url_obj.pathname}${query_params ? "?" + query_params : ""}`;
+    const normalized_body = body
+        ? JSON.stringify(
+            Object.keys(body)
+                .sort()
+                .reduce((acc, key) => {
+                    acc[key] = body[key];
+                    return acc;
+                }, {})
+        )
+        : "";
+    return `${method.toUpperCase()}:${normalized_url}:${normalized_body}`;
+}
+
+
+export async function fetch_(url, init = {}, init_options = {}){
+    const default_options = {
+        use_cache: true,
+        cache_key: _default_hash_function(url, init.method || "GET", init.body || null),
+        cache_expires: 60,
+        use_token: true,
+    };
+    const options = { ...default_options, ...init_options };
+
+
+    const token = options.use_token ? localStorage.getItem("accessToken") : null;
+
+    const request_options = {
+        ...init,
+        headers: {
+            ...(init.headers || {}),
+            ...(token ? {Authorization: `Bearer ${token}`} : {}),
+        }
+    };
+
+    const now = Date.now();
+    const cached_data = localStorage.getItem(options.cache_key);
+    if(options.use_cache && cached_data){
+        const {data, timestamp} = JSON.parse(cached_data);
+        if(now - timestamp < options.cache_expires * 1000)
+            return data;
+    }
+
+    try {
+        const fetchPromise = fetch(url, request_options)
+            .then((response) => {
+                if(!response.ok)
+                    throw new Error(`RESPONSE_ERROR: ${response.status}`);
+                return response.json();
+            })
+            .then((data) => {
+                if (options.use_cache)
+                {
+                    localStorage.setItem(
+                        options.cache_key,
+                        JSON.stringify({ data, timestamp: now })
+                    );
+                    ongoingRequests.delete(options.cache_key);
+                }
+                return data;
+            });
+        if(options.use_cache){
+            ongoingRequests.set(options.cache_key, fetchPromise);
+        }
+        return await fetchPromise;
+    }catch(error){
+        if(options.use_cache){
+            ongoingRequests.delete(options.cache_key);
+        }
+        throw error;
+    }
+
+
+
+}
+
+
+

webpack.config.js

@@ -1,13 +1,13 @@
 //webpack.config.js
 const path = require('path');
 const HtmlWebpackPlugin = require('html-webpack-plugin');
-const webpack = require('webpack')
 
 module.exports = {
     entry: './src/index.js',
     output: {
         path: path.resolve(__dirname, './dist'),
         filename: 'bundle.js',
+        publicPath: '/',
         clean: true,
     },
     module: {
@@ -29,10 +29,6 @@ module.exports = {
         new HtmlWebpackPlugin({
             template: "./public/index.html",
         }),
-        new webpack.DefinePlugin({
-            FRONT_END_CLIENT_ID: process.env.FRONT_END_CLIENT_ID,
-            SERVER_HOST: process.env.SERVER_HOST,
-        }),
     ],
     devServer: {
         static: path.join(__dirname, 'public'),