Migrate to Next

lib/case-study.js

@@ -0,0 +1,73 @@
+import fs from "fs";
+import path from "path";
+import matter from "gray-matter";
+import { unified } from "unified";
+import remarkParse from "remark-parse";
+import remarkHtml from "remark-html";
+
+const services = {
+  bathrooms: 1,
+  tiling: 2,
+};
+
+const padNumber = (number) => {
+  if (parseInt(number) < 10) {
+    return `0${number}`;
+  }
+  return number;
+};
+
+const getSlug = (id) => {
+  const [i, t, n] = id.split("");
+  if (t === "0") {
+    return `case-study-${n}`;
+  }
+  return `case-study-${t}${n}`;
+};
+
+const getService = (id) =>
+  Object.keys(services).find((key) => String(services[key]) === id.charAt(0));
+
+export function getAllCaseStudyIds({ service }) {
+  const serviceKey = services[service];
+  return fs
+    .readdirSync(path.join(process.cwd(), "case-studies"))
+    .filter((file) => !service || file.charAt(0) === String(serviceKey))
+    .map((fileName) => {
+      const fullPath = path.join(process.cwd(), "case-studies", fileName);
+      const fileContents = fs.readFileSync(fullPath, "utf8");
+      const matterResult = matter(fileContents);
+      const id = fileName.replace(/\.md$/, "");
+      return {
+        params: {
+          id,
+          title: matterResult.data.title,
+          location: matterResult.data.location,
+          image: matterResult.data.image,
+          service: getService(id),
+          slug: getSlug(id),
+        },
+      };
+    });
+}
+
+export function getCaseStudyData({ service, slug }) {
+  const studyNumber = padNumber(slug.replace("case-study-", ""));
+  const id = `${services[service]}${studyNumber}`;
+  const contents = fs.readFileSync(
+    path.join(process.cwd(), "case-studies", `${id}.md`),
+    "utf8"
+  );
+  const matterResult = matter(contents);
+  const content = unified()
+    .use(remarkParse)
+    .use(remarkHtml)
+    .processSync(matterResult.content).value;
+  return {
+    id,
+    service,
+    slug,
+    content,
+    ...matterResult.data,
+  };
+}