finish up project page

src/server/routers/project.ts

@@ -1,12 +1,92 @@
 import { publicProcedure, router } from "~/server/trpc";
 import { db } from "~/server/db";
 
+type ReadmeRequest = {
+  url: string;
+};
+
+function getReadmeRequest(sourceLink: string): ReadmeRequest | null {
+  let url: URL;
+
+  try {
+    url = new URL(sourceLink);
+  } catch {
+    return null;
+  }
+
+  const pathParts = url.pathname.split("/").filter(Boolean);
+  const [owner, repo] = pathParts;
+
+  if (!owner || !repo) {
+    return null;
+  }
+
+  const repoName = repo.replace(/\.git$/, "");
+
+  if (url.hostname === "github.com" || url.hostname === "www.github.com") {
+    return {
+      url: `https://raw.githubusercontent.com/${owner}/${repoName}/main/README.md`,
+    };
+  }
+
+  if (url.hostname.includes("gitea.")) {
+    return {
+      url: `${url.origin}/${owner}/${repoName}/raw/branch/main/README.md`,
+    };
+  }
+
+  return null;
+}
+
+async function fetchReadme(sourceLink: string) {
+  const readmeRequest = getReadmeRequest(sourceLink);
+
+  if (!readmeRequest) {
+    return null;
+  }
+
+  const controller = new AbortController();
+  const timeout = setTimeout(() => controller.abort(), 5000);
+
+  try {
+    const response = await fetch(readmeRequest.url, {
+      headers: {
+        Accept: "text/plain",
+      },
+      signal: controller.signal,
+    });
+
+    if (!response.ok) {
+      return null;
+    }
+
+    return await response.text();
+  } catch {
+    return null;
+  } finally {
+    clearTimeout(timeout);
+  }
+}
+
 export const projectRouter = router({
   listWithStack: publicProcedure.query(async () => {
-    return db.query.project.findMany({
+    const projects = await db.query.project.findMany({
       with: {
         techStack: true,
       },
     });
+
+    return Promise.all(
+      projects.map(async (project) => {
+        if (project.description?.length !== 0 || !project.sourceLink) {
+          return project;
+        }
+
+        return {
+          ...project,
+          description: await fetchReadme(project.sourceLink),
+        };
+      }),
+    );
   }),
 });