implemented markdown renderer in backend and frontend

backend/build.gradle.kts

@@ -16,6 +16,7 @@ dependencies{
     implementation(project(":core"))
     implementation(project(":documents"))
     implementation(project(":legacy"))
+    implementation(project(":markdown"))
     implementation(project(":messages"))
     implementation(project(":translations"))
     implementation(project(":user"))

backend/src/main/java/de/srsoftware/umbrella/backend/Application.java

@@ -13,6 +13,7 @@ import de.srsoftware.umbrella.core.Util;
 import de.srsoftware.umbrella.core.exceptions.UmbrellaException;
 import de.srsoftware.umbrella.documents.DocumentApi;
 import de.srsoftware.umbrella.legacy.LegacyApi;
+import de.srsoftware.umbrella.markdown.MarkdownApi;
 import de.srsoftware.umbrella.message.MessageApi;
 import de.srsoftware.umbrella.message.MessageSystem;
 import de.srsoftware.umbrella.translations.Translations;
@@ -57,14 +58,16 @@ public class Application {
 		var companyModule     = new CompanyModule(config, userModule);
 		var documentApi       = new DocumentApi(companyModule, config);
 		var legacyApi         = new LegacyApi(userModule.userDb(),config);
+		var markdownApi       = new MarkdownApi(userModule);
 		var messageApi        = new MessageApi(messageSystem);
 		var webHandler        = new WebHandler();
 
 		documentApi      .bindPath("/api/document")    .on(server);
-		legacyApi        .bindPath("/legacy")          .on(server);
+		markdownApi		 .bindPath("/api/markdown")    .on(server);
 		messageApi       .bindPath("/api/messages")    .on(server);
 		translationModule.bindPath("/api/translations").on(server);
 		userModule       .bindPath("/api/user")        .on(server);
+		legacyApi        .bindPath("/legacy")          .on(server);
 		webHandler       .bindPath("/")                .on(server);
 
 		server.setExecutor(Executors.newFixedThreadPool(threads));

core/src/main/java/de/srsoftware/umbrella/core/BaseHandler.java

@@ -11,6 +11,7 @@ import com.sun.net.httpserver.HttpExchange;
 import de.srsoftware.tools.Path;
 import de.srsoftware.tools.PathHandler;
 import de.srsoftware.umbrella.core.exceptions.UmbrellaException;
+
 import java.io.ByteArrayOutputStream;
 import java.io.IOException;
 import java.util.List;

frontend/src/Components/MarkdownEditor.svelte

@@ -2,8 +2,9 @@
     let { editable = false, value = $bindable(null) } = $props();
     let editing = $state(false);
 
-    let editValue = {source:value.source,rendered:value.rendered};
+    let editValue = $state({source:value.source,rendered:value.rendered});
 
+    let timer = null;
     function applyEdit(){
         value.source = editValue.source;
         value.rendered = editValue.rendered;
@@ -19,10 +20,22 @@
         editing = editable;
     }
 
+    async function render(){
+        const url = `${location.protocol}//${location.host.replace('5173','8080')}/api/markdown/render`;
+        const resp = await fetch(url,{
+            credentials: 'include',
+            method: 'POST',
+            body: editValue.source
+        });
+        editValue.rendered = await resp.text();
+    }
+
     function typed(ev){
         if (ev.keyCode == 13 && ev.ctrlKey) applyEdit();
         if (ev.keyCode == 27) resetEdit();
 
+        if (timer) clearTimeout(timer);
+        timer = setTimeout(render,1000);
         // TODO: start timer, send text to renderer, update editValue.rendered
     }
 </script>
@@ -37,4 +50,4 @@
 {#if editable && editing}
 <textarea bind:value={editValue.source} onkeyup={typed} autofocus></textarea>
 {/if}
-<div onclick={startEdit}>{@html value.rendered}</div>
+<div onclick={startEdit}>{@html editValue.rendered}</div>

markdown/build.gradle.kts

@@ -0,0 +1,6 @@
+description = "Umbrella : MarkdownCompanies renderer"
+
+dependencies{
+    implementation(project(":core"))
+    implementation("de.srsoftware:tools.mime:1.1.2")
+}

markdown/src/main/java/de/srsoftware/umbrella/markdown/MarkdownApi.java

@@ -0,0 +1,40 @@
+package de.srsoftware.umbrella.markdown;
+
+import com.sun.net.httpserver.HttpExchange;
+import de.srsoftware.tools.Path;
+import de.srsoftware.tools.SessionToken;
+import de.srsoftware.umbrella.core.BaseHandler;
+import de.srsoftware.umbrella.core.Util;
+import de.srsoftware.umbrella.core.api.UserService;
+import de.srsoftware.umbrella.core.exceptions.UmbrellaException;
+import de.srsoftware.umbrella.core.model.Token;
+
+import java.io.IOException;
+import java.util.Optional;
+
+import static de.srsoftware.tools.MimeType.MIME_HTML;
+
+public class MarkdownApi extends BaseHandler {
+
+	private final UserService users;
+
+	public MarkdownApi(UserService userService) {
+		users = userService;
+	}
+
+	@Override
+	public boolean doPost(Path path, HttpExchange ex) throws IOException {
+		try {
+			addCors(ex);
+			Optional<Token> token = SessionToken.from(ex).map(Token::of);
+			var user = users.loadUser(token);
+
+			if (user.isEmpty()) throw UmbrellaException.forbidden("You must be logged in to use the markdown renderer!");
+			var rendered = Util.markdown(body(ex));
+			ex.getResponseHeaders().add(CONTENT_TYPE,MIME_HTML);
+			return sendContent(ex,rendered);
+		} catch (UmbrellaException e){
+			return send(ex,e);
+		}
+	}
+}

settings.gradle.kts

@@ -11,3 +11,5 @@ include("web")
 
 include("company")
 include("contact")
+
+include("markdown")