From be09b557659a90fe66337cc086b605fdf3042222 Mon Sep 17 00:00:00 2001
From: nyne <me@nyne.dev>
Date: Sun, 18 May 2025 11:04:59 +0800
Subject: [PATCH] Add site information management with Markdown support

---
 frontend/index.html                           |  1 +
 frontend/src/app.ts                           |  4 +++
 frontend/src/components/input.tsx             | 18 +++++++++++++
 frontend/src/i18n.ts                          |  3 +++
 frontend/src/network/models.ts                |  1 +
 frontend/src/pages/home_page.tsx              | 25 +++++++++++++++++--
 .../src/pages/manage_server_config_page.tsx   |  5 +++-
 server/config/config.go                       | 14 ++++++++---
 server/middleware/frontend_middleware.go      |  4 ++-
 9 files changed, 67 insertions(+), 8 deletions(-)

diff --git a/frontend/index.html b/frontend/index.html
index 2fdecbf..f5541b9 100644
--- a/frontend/index.html
+++ b/frontend/index.html
@@ -35,6 +35,7 @@
     <script>
       window.serverName = "{{SiteName}}";
       window.cloudflareTurnstileSiteKey = "{{CFTurnstileSiteKey}}";
+      window.siteInfo = `{{SiteInfo}}`;
     </script>
     <div id="root"></div>
     <script type="module" src="/src/main.tsx"></script>
diff --git a/frontend/src/app.ts b/frontend/src/app.ts
index 577ccb7..f9ef0b0 100644
--- a/frontend/src/app.ts
+++ b/frontend/src/app.ts
@@ -3,6 +3,7 @@ import {User} from "./network/models.ts";
 interface MyWindow extends Window {
   serverName?: string;
   cloudflareTurnstileSiteKey?: string;
+  siteInfo?: string;
 }
 
 class App {
@@ -14,6 +15,8 @@ class App {
 
   cloudflareTurnstileSiteKey: string | null = null;
 
+  siteInfo = ""
+
   constructor() {
     this.init();
   }
@@ -29,6 +32,7 @@ class App {
     }
     this.appName = (window as MyWindow).serverName || this.appName;
     this.cloudflareTurnstileSiteKey = (window as MyWindow).cloudflareTurnstileSiteKey || null;
+    this.siteInfo = (window as MyWindow).siteInfo || "";
   }
 
   saveData() {
diff --git a/frontend/src/components/input.tsx b/frontend/src/components/input.tsx
index 45079d8..7f8364e 100644
--- a/frontend/src/components/input.tsx
+++ b/frontend/src/components/input.tsx
@@ -1,3 +1,5 @@
+import React from "react";
+
 interface InputProps {
   type?: string;
   placeholder?: string;
@@ -19,4 +21,20 @@ export default function Input(props: InputProps) {
       <input type={props.type} className="input w-full" placeholder={props.placeholder} value={props.value} onChange={props.onChange} />
     </fieldset>
   }
+}
+
+interface TextAreaProps {
+  value: string;
+  onChange: (e: React.ChangeEvent<HTMLTextAreaElement>) => void;
+  label: string;
+  height?: string | number;
+}
+
+export function TextArea(props: TextAreaProps) {
+  return <fieldset className="fieldset w-full">
+    <legend className="fieldset-legend">{props.label}</legend>
+    <textarea className={`textarea w-full ${props.height != undefined ? "resize-none" : ""}`} value={props.value} onChange={props.onChange} style={{
+      height: props.height,
+    }} />
+  </fieldset>
 }
\ No newline at end of file
diff --git a/frontend/src/i18n.ts b/frontend/src/i18n.ts
index 3c38700..dbc90d6 100644
--- a/frontend/src/i18n.ts
+++ b/frontend/src/i18n.ts
@@ -149,6 +149,7 @@ export const i18nData = {
       "Search Tags": "Search Tags",
       "Edit Resource": "Edit Resource",
       "Change Bio": "Change Bio",
+      "About this site": "About this site",
     }
   },
   "zh-CN": {
@@ -301,6 +302,7 @@ export const i18nData = {
       "Search Tags": "搜索标签",
       "Edit Resource": "编辑资源",
       "Change Bio": "更改个人简介",
+      "About this site": "关于此网站",
     }
   },
   "zh-TW": {
@@ -453,6 +455,7 @@ export const i18nData = {
       "Search Tags": "搜尋標籤",
       "Edit Resource": "編輯資源",
       "Change Bio": "更改個人簡介",
+      "About this site": "關於此網站",
     }
   }
 }
diff --git a/frontend/src/network/models.ts b/frontend/src/network/models.ts
index a26c057..f0ec6d2 100644
--- a/frontend/src/network/models.ts
+++ b/frontend/src/network/models.ts
@@ -122,4 +122,5 @@ export interface ServerConfig {
   cloudflare_turnstile_secret_key: string;
   server_name: string;
   server_description: string;
+  site_info: string;
 }
diff --git a/frontend/src/pages/home_page.tsx b/frontend/src/pages/home_page.tsx
index ad404d5..ce2f810 100644
--- a/frontend/src/pages/home_page.tsx
+++ b/frontend/src/pages/home_page.tsx
@@ -1,12 +1,33 @@
-import { useEffect } from "react";
+import {useEffect, useState} from "react";
 import ResourcesView from "../components/resources_view.tsx";
 import {network} from "../network/network.ts";
 import { app } from "../app.ts";
+import Markdown from "react-markdown";
+import {useTranslation} from "react-i18next";
 
 export default function HomePage() {
   useEffect(() => {
     document.title = app.appName;
   }, [])
 
-  return <ResourcesView loader={(page) => network.getResources(page)}></ResourcesView>
+  const [isCollapsed, setIsCollapsed] = useState(false);
+
+  const {t} = useTranslation()
+
+  return <>
+    {
+      app.siteInfo && <div className={"mt-4 px-4"}>
+        <div className="collapse collapse-arrow bg-base-100 border border-base-300 cursor-pointer" onClick={() => setIsCollapsed(!isCollapsed)}>
+          <input type="radio" name="my-accordion-2" checked={isCollapsed}/>
+          <div className="collapse-title font-semibold">{t("About this site")}</div>
+          <article className="collapse-content text-sm">
+            <Markdown>
+              {app.siteInfo}
+            </Markdown>
+          </article>
+        </div>
+      </div>
+    }
+    <ResourcesView loader={(page) => network.getResources(page)}></ResourcesView>
+  </>
 }
\ No newline at end of file
diff --git a/frontend/src/pages/manage_server_config_page.tsx b/frontend/src/pages/manage_server_config_page.tsx
index 68f6807..cbb61c7 100644
--- a/frontend/src/pages/manage_server_config_page.tsx
+++ b/frontend/src/pages/manage_server_config_page.tsx
@@ -4,7 +4,7 @@ import { ErrorAlert, InfoAlert } from "../components/alert"
 import { useEffect, useState } from "react";
 import { ServerConfig } from "../network/models";
 import Loading from "../components/loading";
-import Input from "../components/input";
+import Input, {TextArea} from "../components/input";
 import { network } from "../network/network";
 import showToast from "../components/toast";
 import Button from "../components/button";
@@ -90,6 +90,9 @@ export default function ManageServerConfigPage() {
     <Input type="text" value={config.cloudflare_turnstile_secret_key} label="Cloudflare Turnstile Secret Key" onChange={(e) => {
       setConfig({...config, cloudflare_turnstile_secret_key: e.target.value })
     }}></Input>
+    <TextArea value={config.site_info} onChange={(e) => {
+      setConfig({...config, site_info: e.target.value })
+    }} label="Site info (Markdown)" height={180} />
     <InfoAlert className="my-2" message="If the cloudflare turnstile keys are not empty, the turnstile will be used for register and download." />
     <div className="flex justify-end">
       <Button className="btn-accent shadow" isLoading={isLoading}>{t("Submit")}</Button>
diff --git a/server/config/config.go b/server/config/config.go
index 35a8653..02b4148 100644
--- a/server/config/config.go
+++ b/server/config/config.go
@@ -22,10 +22,12 @@ type ServerConfig struct {
 	CloudflareTurnstileSiteKey string `json:"cloudflare_turnstile_site_key"`
 	// CloudflareTurnstileSecretKey is the secret key for Cloudflare Turnstile.
 	CloudflareTurnstileSecretKey string `json:"cloudflare_turnstile_secret_key"`
-
+	// ServerName is the name of the server. It will be used as the title of the web page.
 	ServerName string `json:"server_name"`
-
+	// ServerDescription is the description of the server. It will be used as the description of html meta tag.
 	ServerDescription string `json:"server_description"`
+	// SiteInfo is an article that describes the site. It will be displayed on the home page. Markdown format.
+	SiteInfo string `json:"site_info"`
 }
 
 func init() {
@@ -63,8 +65,8 @@ func SetConfig(newConfig ServerConfig) {
 	if err != nil {
 		panic(err)
 	}
-	filepath := filepath.Join(utils.GetStoragePath(), "config.json")
-	if err := os.WriteFile(filepath, data, 0644); err != nil {
+	p := filepath.Join(utils.GetStoragePath(), "config.json")
+	if err := os.WriteFile(p, data, 0644); err != nil {
 		panic(err)
 	}
 }
@@ -100,3 +102,7 @@ func ServerDescription() string {
 func CloudflareTurnstileSecretKey() string {
 	return config.CloudflareTurnstileSecretKey
 }
+
+func SiteInfo() string {
+	return config.SiteInfo
+}
diff --git a/server/middleware/frontend_middleware.go b/server/middleware/frontend_middleware.go
index c7a19af..eeb9266 100644
--- a/server/middleware/frontend_middleware.go
+++ b/server/middleware/frontend_middleware.go
@@ -43,8 +43,9 @@ func serveIndexHtml(c fiber.Ctx) error {
 	description := config.ServerDescription()
 	preview := serverBaseURL + "/icon-192.png"
 	title := siteName
-	url := c.OriginalURL()
+	url := serverBaseURL + c.Path()
 	cfTurnstileSiteKey := config.CloudflareTurnstileSiteKey()
+	siteInfo := config.SiteInfo()
 
 	if strings.HasPrefix(url, "/resources/") {
 		idStr := strings.TrimPrefix(url, "/resources/")
@@ -75,6 +76,7 @@ func serveIndexHtml(c fiber.Ctx) error {
 	content = strings.ReplaceAll(content, "{{Title}}", title)
 	content = strings.ReplaceAll(content, "{{Url}}", url)
 	content = strings.ReplaceAll(content, "{{CFTurnstileSiteKey}}", cfTurnstileSiteKey)
+	content = strings.ReplaceAll(content, "{{SiteInfo}}", siteInfo)
 
 	c.Set("Content-Type", "text/html; charset=utf-8")
 	return c.SendString(content)