Add basic support for listing and writing blog posts

briar-headless/src/main/java/org/briarproject/briar/headless/BriarService.java

@@ -9,7 +9,9 @@ import java.util.Scanner;
 import java.util.logging.Logger;
 
 import javax.annotation.ParametersAreNonnullByDefault;
+import javax.annotation.concurrent.Immutable;
 import javax.inject.Inject;
+import javax.inject.Singleton;
 
 import static java.lang.System.console;
 import static java.lang.System.err;
@@ -18,6 +20,8 @@ import static java.lang.System.out;
 import static java.util.logging.Logger.getLogger;
 import static org.briarproject.bramble.api.identity.AuthorConstants.MAX_AUTHOR_NAME_LENGTH;
 
+@Immutable
+@Singleton
 @MethodsNotNullByDefault
 @ParametersAreNonnullByDefault
 public class BriarService {

briar-headless/src/main/java/org/briarproject/briar/headless/Router.java

@@ -1,20 +1,36 @@
 package org.briarproject.briar.headless;
 
+import org.briarproject.bramble.api.nullsafety.MethodsNotNullByDefault;
+import org.briarproject.briar.headless.blogs.BlogController;
+import org.briarproject.briar.headless.forums.ForumController;
+
+import javax.annotation.ParametersAreNonnullByDefault;
+import javax.annotation.concurrent.Immutable;
 import javax.inject.Inject;
 import javax.inject.Singleton;
 
 import io.javalin.Javalin;
 
+import static io.javalin.ApiBuilder.get;
+import static io.javalin.ApiBuilder.path;
+import static io.javalin.ApiBuilder.post;
+
+@Immutable
 @Singleton
+@MethodsNotNullByDefault
+@ParametersAreNonnullByDefault
 public class Router {
 
 	private final BriarService briarService;
 	private final ForumController forumController;
+	private final BlogController blogController;
 
 	@Inject
-	public Router(BriarService briarService, ForumController forumController) {
+	public Router(BriarService briarService, ForumController forumController,
+			BlogController blogController) {
 		this.briarService = briarService;
 		this.forumController = forumController;
+		this.blogController = blogController;
 	}
 
 	public void start() {
@@ -24,9 +40,20 @@ public class Router {
 				.port(7000)
 				.disableStartupBanner()
 				.enableStandardRequestLogging()
+				.enableRouteOverview("/")
+				.enableDynamicGzip()
 				.start();
-		app.get("/forums", forumController::list);
-		app.post("/forums", forumController::create);
+
+		app.routes(() -> {
+			path("/forums", () -> {
+				get(forumController::list);
+				post(forumController::create);
+			});
+			path("/blogs", () -> path("/posts", () -> {
+				get(blogController::listPosts);
+				post(blogController::createPost);
+			}));
+		});
 	}
 
 }

briar-headless/src/main/java/org/briarproject/briar/headless/blogs/BlogController.java

@@ -0,0 +1,81 @@
+package org.briarproject.briar.headless.blogs;
+
+import org.briarproject.bramble.api.FormatException;
+import org.briarproject.bramble.api.db.DbException;
+import org.briarproject.bramble.api.identity.IdentityManager;
+import org.briarproject.bramble.api.identity.LocalAuthor;
+import org.briarproject.bramble.api.nullsafety.MethodsNotNullByDefault;
+import org.briarproject.bramble.api.system.Clock;
+import org.briarproject.briar.api.blog.Blog;
+import org.briarproject.briar.api.blog.BlogManager;
+import org.briarproject.briar.api.blog.BlogPost;
+import org.briarproject.briar.api.blog.BlogPostFactory;
+import org.briarproject.briar.api.blog.BlogPostHeader;
+
+import java.security.GeneralSecurityException;
+import java.util.ArrayList;
+import java.util.Collection;
+import java.util.List;
+
+import javax.annotation.ParametersAreNonnullByDefault;
+import javax.annotation.concurrent.Immutable;
+import javax.inject.Inject;
+import javax.inject.Singleton;
+
+import io.javalin.Context;
+
+@Immutable
+@Singleton
+@MethodsNotNullByDefault
+@ParametersAreNonnullByDefault
+public class BlogController {
+
+	private final BlogManager blogManager;
+	private final BlogPostFactory blogPostFactory;
+	private final IdentityManager identityManager;
+	private final Clock clock;
+
+	@Inject
+	public BlogController(BlogManager blogManager,
+			BlogPostFactory blogPostFactory, IdentityManager identityManager,
+			Clock clock) {
+		this.blogManager = blogManager;
+		this.blogPostFactory = blogPostFactory;
+		this.identityManager = identityManager;
+		this.clock = clock;
+	}
+
+	public Context listPosts(Context ctx) throws DbException {
+		List<OutputBlogPost> posts = new ArrayList<>();
+		for (Blog b : blogManager.getBlogs()) {
+			Collection<BlogPostHeader> headers =
+					blogManager.getPostHeaders(b.getId());
+			for (BlogPostHeader header : headers) {
+				String body = blogManager.getPostBody(header.getId());
+				OutputBlogPost post = new OutputBlogPost(header, body);
+				posts.add(post);
+			}
+		}
+		return ctx.json(posts);
+	}
+
+	public Context createPost(Context ctx)
+			throws DbException, GeneralSecurityException, FormatException {
+		String text = ctx.formParam("text");
+		if (text == null || text.length() < 1) {
+			return ctx.status(500).result("Expecting Blog text");
+		} else {
+			LocalAuthor author = identityManager.getLocalAuthor();
+			Blog blog = blogManager.getPersonalBlog(author);
+			long now = clock.currentTimeMillis();
+			BlogPost post = blogPostFactory
+					.createBlogPost(blog.getId(), now, null, author, text);
+			blogManager.addLocalPost(post);
+			BlogPostHeader header = blogManager
+					.getPostHeader(blog.getId(), post.getMessage().getId());
+			OutputBlogPost outputPost = new OutputBlogPost(header, text);
+			return ctx.json(outputPost);
+		}
+	}
+
+}

briar-headless/src/main/java/org/briarproject/briar/headless/blogs/OutputBlogPost.java

@@ -0,0 +1,38 @@
+package org.briarproject.briar.headless.blogs;
+
+import org.briarproject.bramble.api.nullsafety.NotNullByDefault;
+import org.briarproject.bramble.identity.OutputAuthor;
+import org.briarproject.briar.api.blog.BlogPostHeader;
+
+import javax.annotation.Nullable;
+import javax.annotation.concurrent.Immutable;
+
+@Immutable
+@NotNullByDefault
+@SuppressWarnings("WeakerAccess")
+class OutputBlogPost {
+
+	public final String body;
+	public final OutputAuthor author;
+	public final String authorStatus, type;
+	public final byte[] id;
+	@Nullable
+	public final byte[] parentId;
+	public final boolean read, rssFeed;
+	public final long timestamp, timestampReceived;
+
+	OutputBlogPost(BlogPostHeader header, String body) {
+		this.body = body;
+		this.author = new OutputAuthor(header.getAuthor());
+		this.authorStatus = header.getAuthorStatus().name().toLowerCase();
+		this.type = header.getType().name().toLowerCase();
+		this.id = header.getId().getBytes();
+		this.parentId = header.getParentId() == null ? null :
+				header.getParentId().getBytes();
+		this.read = header.isRead();
+		this.rssFeed = header.isRssFeed();
+		this.timestamp = header.getTimestamp();
+		this.timestampReceived = header.getTimeReceived();
+	}
+
+}

briar-headless/src/main/java/org/briarproject/briar/headless/forums/ForumController.java

@@ -1,17 +1,25 @@
-package org.briarproject.briar.headless;
+package org.briarproject.briar.headless.forums;
 
 import org.briarproject.bramble.api.db.DbException;
+import org.briarproject.bramble.api.nullsafety.MethodsNotNullByDefault;
 import org.briarproject.briar.api.forum.Forum;
 import org.briarproject.briar.api.forum.ForumManager;
 
 import java.util.Collection;
 
+import javax.annotation.ParametersAreNonnullByDefault;
+import javax.annotation.concurrent.Immutable;
 import javax.inject.Inject;
+import javax.inject.Singleton;
 
 import io.javalin.Context;
 
 import static io.javalin.translator.json.JavalinJsonPlugin.getObjectToJsonMapper;
 
+@Immutable
+@Singleton
+@MethodsNotNullByDefault
+@ParametersAreNonnullByDefault
 public class ForumController {
 
 	private final ForumManager forumManager;