feat: Add Workshop Practice subject with ch0 scaffold (Follow up PR for issue#142)

app/components/subjects.tsx

@@ -10,6 +10,7 @@ const subjects = {
     "Engineering Physics",
     "Engineering Graphics & Design",
     "English Communication",
+    "Workshop Practice",
   ],
   "Semester-2": [
     "Digital Electronics & Logic Circuits",
@@ -79,6 +80,7 @@ const subjectCodes: Record<string, string> = {
   "Engineering Graphics & Design": "egd",
   "English Communication": "ec",
   "Basics of Mechanical Engineering": "bme",
+  "Workshop Practice": "wp",
 
   "Digital Electronics & Logic Circuits": "delc",
   "OOPs with Java": "oops",
@@ -129,8 +131,7 @@ const subjectCodes: Record<string, string> = {
 };
 
 // Available subjects
-const available = ["ep", "c", "em1", "em2", "oops", "dsc", "coa", "os", "ml", "dops", "cd", "cle", "ec", "dbms", "bme", "cns", "vlsi", "mb"];
-
+const available = ["ep", "c", "em1", "em2", "oops", "dsc", "coa", "os", "ml", "dops", "cd", "cle", "ec", "dbms", "bme", "cns", "vlsi", "mb", "wp"];
 export default function SubjectsSection() {
   return (
     <section id="subjects" className="px-6 pb-12 md:pt-12 text-center scroll-mt-20">

app/sem1/wp/[chapter]/page.tsx

@@ -0,0 +1,167 @@
+import Link from "next/link";
+import { Metadata } from "next";
+import { Righteous } from "next/font/google";
+import { Ch0Content } from "../content/chapter0";
+import { ArrowBigLeft, ArrowBigRight } from "lucide-react";
+import { chapters, Chapter, SubTopic } from "../constants";
+
+function findChapterOrSubtopic(chapterId: string) {
+  const chapter = chapters.find((c) => c.id === chapterId);
+  if (chapter) return { data: chapter, isSubTopic: false, parentChapter: null };
+
+  for (const ch of chapters) {
+    if (ch.subTopics) {
+      const sub = ch.subTopics.find(
+        (s) => s.id === chapterId && s.isPage
+      ) as (SubTopic & { isPage: true }) | undefined;
+      if (sub) return { data: sub, isSubTopic: true, parentChapter: ch };
+    }
+  }
+  return { data: undefined, isSubTopic: false, parentChapter: null };
+}
+
+const righteous = Righteous({
+  subsets: ["latin"],
+  weight: "400",
+  variable: "--font-righteous",
+});
+
+// Only ch0 is available for now — more chapters added in future PRs
+const chapterComponents: Record<string, React.ComponentType> = {
+  ch0: Ch0Content,
+};
+
+type ChapterProps = {
+  params: Promise<{ chapter: string }>;
+};
+
+export async function generateMetadata({ params }: ChapterProps): Promise<Metadata> {
+  const { chapter: chapterId } = await params;
+  const { data: chapterData } = findChapterOrSubtopic(chapterId);
+  const title = chapterData
+    ? `${chapterData.title} | Workshop Practice | openCSE`
+    : "Workshop Practice | openCSE";
+  return { title };
+}
+
+export default async function ChapterPage({ params }: ChapterProps) {
+  const { chapter: chapterId } = await params;
+  const { data: chapterData, isSubTopic, parentChapter } =
+    findChapterOrSubtopic(chapterId);
+
+  if (!chapterData) {
+    return (
+      <div className="flex flex-col items-center justify-center min-h-[50vh] text-[#e2d1c1]">
+        <h1 className="text-2xl font-bold mb-4">Chapter not found</h1>
+        <Link
+          href="/sem1/wp/ch0"
+          className="px-4 py-2 bg-[#e2d1c1] text-[#1b0d00] rounded hover:bg-[#ac9e91] transition font-bold"
+        >
+          Return to Course Outline
+        </Link>
+      </div>
+    );
+  }
+
+  const ChapterComponent = chapterComponents[chapterData.id];
+  let prevChapter = null;
+  let nextChapter = null;
+
+  if (isSubTopic && parentChapter && parentChapter.subTopics) {
+    const pageSubTopics = parentChapter.subTopics.filter(
+      (s): s is SubTopic & { isPage: true } => !!s.isPage
+    );
+    const subIndex = pageSubTopics.findIndex((s) => s.id === chapterId);
+    if (subIndex > 0) {
+      prevChapter = pageSubTopics[subIndex - 1];
+    } else {
+      prevChapter = { id: parentChapter.id, title: `Back to ${parentChapter.title}` };
+    }
+    if (subIndex < pageSubTopics.length - 1) {
+      nextChapter = pageSubTopics[subIndex + 1];
+    } else {
+      const parentIndex = chapters.findIndex((c) => c.id === parentChapter.id);
+      if (parentIndex < chapters.length - 1) nextChapter = chapters[parentIndex + 1];
+    }
+  } else {
+    const currentIndex = chapters.findIndex((c) => c.id === chapterId);
+    prevChapter = currentIndex > 0 ? chapters[currentIndex - 1] : null;
+    nextChapter =
+      currentIndex < chapters.length - 1 ? chapters[currentIndex + 1] : null;
+  }
+
+  return (
+    <div className="flex flex-col bg-[#1B0D00] min-h-full p-2 pt-16 text-[#e2d1c1]">
+      <div className="flex-1">
+        <h1 className={`text-4xl font-bold ${righteous.className} mb-2`}>
+          Workshop Practice
+        </h1>
+        <p className={`text-2xl mt-[-8px] ${righteous.className}`}>
+          {isSubTopic && parentChapter
+            ? `${parentChapter.title} / ${chapterData.title}`
+            : chapterData.title}
+        </p>
+        <div className="flex justify-between mt-3">
+          {prevChapter ? (
+            <Link
+              href={`/sem1/wp/${prevChapter.id}`}
+              className="px-4 py-1 text-2xl flex items-center justify-center bg-[#e2d1c1] text-[#1b0d00] rounded hover:bg-[#ac9e91] transition"
+              style={{ fontFamily: "Rockwell, Serif, serif" }}
+            >
+              <ArrowBigLeft className="inline-block mr-1" /> Previous
+            </Link>
+          ) : (
+            <div />
+          )}
+          {nextChapter ? (
+            <Link
+              href={`/sem1/wp/${nextChapter.id}`}
+              className="px-4 py-1 text-2xl flex items-center justify-center bg-[#e2d1c1] text-[#1b0d00] rounded hover:bg-[#ac9e91] transition"
+              style={{ fontFamily: "Rockwell, Serif, serif" }}
+            >
+              Next <ArrowBigRight className="inline-block ml-1" />
+            </Link>
+          ) : (
+            <div />
+          )}
+        </div>
+        <hr className="my-6 border-t-3" />
+        {ChapterComponent ? (
+          <ChapterComponent />
+        ) : (
+          <div className="text-center py-12 text-[#c7a669]">
+            <p className="text-2xl font-semibold">Coming Soon</p>
+            <p className="mt-2 text-lg opacity-70">
+              This chapter is under development. Check back soon!
+            </p>
+          </div>
+        )}
+      </div>
+      <div className="flex justify-between my-8">
+        {prevChapter ? (
+          <Link
+            href={`/sem1/wp/${prevChapter.id}`}
+            className="px-4 py-2 bg-[#e2d1c1] text-xl flex items-center justify-center text-[#1b0d00] rounded hover:bg-[#ac9e91] transition"
+            style={{ fontFamily: "Rockwell, Serif, serif" }}
+          >
+            <ArrowBigLeft className="inline-block mr-1" /> {prevChapter.title}
+          </Link>
+        ) : (
+          <div />
+        )}
+        {nextChapter ? (
+          <Link
+            href={`/sem1/wp/${nextChapter.id}`}
+            className="px-4 py-2 bg-[#e2d1c1] text-xl flex items-center justify-center text-[#1b0d00] rounded hover:bg-[#ac9e91] transition"
+            style={{ fontFamily: "Rockwell, Serif, serif" }}
+          >
+            {nextChapter.title}{" "}
+            <ArrowBigRight className="inline-block ml-1" />
+          </Link>
+        ) : (
+          <div />
+        )}
+      </div>
+    </div>
+  );
+}

app/sem1/wp/components/sidebar.tsx

@@ -0,0 +1,107 @@
+"use client";
+import { Righteous } from "next/font/google";
+import Link from "next/link";
+import { usePathname } from "next/navigation";
+import { useState, useEffect } from "react";
+import { chapters } from "../constants";
+
+const righteous = Righteous({
+  subsets: ["latin"],
+  weight: "400",
+  variable: "--font-righteous",
+});
+
+export default function Sidebar() {
+  const pathname = usePathname();
+  const [open, setOpen] = useState(false);
+
+  useEffect(() => {
+    if (window.innerWidth >= 768) {
+      setOpen(true);
+    }
+  }, []);
+
+  return (
+    <>
+      <div
+        className={`fixed inset-0 md:hidden bg-black/50 z-30 transition-opacity duration-300 ${
+          open ? "opacity-100" : "opacity-0 pointer-events-none"
+        }`}
+        onClick={() => setOpen(false)}
+      />
+      <div className="flex sticky top-14 z-40 h-[calc(100vh-3.5rem)] w-[50px] md:w-auto pointer-events-none md:pointer-events-auto">
+        <aside
+          className={`h-full shrink-0 bg-[#fae8d7] text-[#1B0D00] p-0 flex flex-col transition-all duration-300 pointer-events-auto border-r-0 ${
+            open ? "w-64 border-r-2 md:border-r-0" : "w-0 overflow-hidden"
+          }`}
+        >
+          <h2
+            className="flex items-center text-2xl font-normal pt-3 pl-3 mb-2 bg-[#cebb9c] text-[#1B0D00] pb-2 border-b-4 border-[#1B0D00]"
+            style={{ fontFamily: "Rockwell, Serif, serif" }}
+          >
+            Chapters
+          </h2>
+          <ul className="flex-1 overflow-y-auto no-scrollbar space-y-0">
+            {chapters.map((ch) => {
+              const active =
+                pathname === `/sem1/wp/${ch.id}` ||
+                (ch.subTopics?.some(
+                  (sub) => sub.isPage && pathname === `/sem1/wp/${sub.id}`
+                ) ?? false);
+              return (
+                <li key={ch.id} className="flex flex-col">
+                  <Link
+                    href={`/sem1/wp/${ch.id}`}
+                    className={`block px-3 py-2 text-xl transition ${
+                      active ? "bg-[#fccc7e]" : "hover:bg-[#ffdda7af]"
+                    } ${righteous.className}`}
+                  >
+                    {ch.title}
+                  </Link>
+                  {active && ch.subTopics && (
+                    <ul className="ml-4 border-l-2 border-[#1B0D00]/20 pl-2 my-2 space-y-2">
+                      {ch.subTopics.map((sub) => {
+                        const subActive =
+                          sub.isPage && pathname === `/sem1/wp/${sub.id}`;
+                        return (
+                          <li key={sub.id}>
+                            <Link
+                              href={
+                                sub.isPage
+                                  ? `/sem1/wp/${sub.id}`
+                                  : `/sem1/wp/${ch.id}#${sub.id}`
+                              }
+                              className={`block text-sm transition hover:font-bold ${
+                                subActive
+                                  ? "text-black font-bold"
+                                  : "text-[#3a2a14] hover:text-black"
+                              }`}
+                            >
+                              {sub.title}
+                            </Link>
+                          </li>
+                        );
+                      })}
+                    </ul>
+                  )}
+                </li>
+              );
+            })}
+          </ul>
+        </aside>
+        <button
+          onClick={() => setOpen(!open)}
+          className="toggle-sidebar shrink-0 pointer-events-auto bg-[#ffdda7] h-full w-[50px] text-[#1B0D00] text-center font-semibold text-2xl border-l-4 rounded-r-2xl border-[#1B0D00] flex items-center justify-center transition-all duration-300 md:shadow-none"
+          style={{
+            fontFamily: "Rockwell, Serif, serif",
+            boxShadow: open ? "4px 0 15px rgba(0,0,0,0.1)" : "none",
+          }}
+        >
+          <p className="leading-5">
+            C<br />H<br />A<br />P<br />T<br />E<br />R<br />S
+          </p>
+        </button>
+      </div>
+    </>
+  );
+}

app/sem1/wp/constants.ts

@@ -0,0 +1,20 @@
+export type SubTopic =
+  | { id: string; title: string; isPage: true }
+  | { id: string; title: string; isPage?: false };
+
+export type Chapter = {
+  id: string;
+  title: string;
+  subTopics?: SubTopic[];
+};
+
+export const chapters: Chapter[] = [
+  { id: "ch0", title: "Course Outline" },
+  { id: "ch1", title: "Fitting Shop" },
+  { id: "ch2", title: "Welding Shop" },
+  { id: "ch3", title: "Carpentry Shop" },
+  { id: "ch4", title: "Smithy Shop" },
+  { id: "ch5", title: "Sheet Metal Shop" },
+  { id: "ch6", title: "Foundry Shop" },
+  { id: "ch7", title: "Turning Shop" },
+];

app/sem1/wp/content/chapter0.tsx

@@ -0,0 +1,36 @@
+export function Ch0Content() {
+  return (
+    <div className="space-y-6 text-[#e2d1c1]">
+      <p className="text-lg leading-relaxed opacity-90">
+        Workshop Practice introduces first-year engineering students to hands-on
+        manufacturing and fabrication skills across various engineering trades. This
+        module covers fitting, welding, carpentry, smithy, sheet metal, foundry, and
+        turning shops — including theory, tools, safety practices, and viva questions.
+      </p>
+
+      <div className="bg-[#2a1500] rounded-xl p-5 border border-[#fccc7e]/30 space-y-3">
+        <h3 className="text-xl font-semibold text-[#fccc7e]">Shops at a Glance</h3>
+        <ul className="list-disc list-inside space-y-1 opacity-90">
+          <li><strong>Ch 1</strong> — Fitting Shop: hand tools, marking, filing</li>
+          <li><strong>Ch 2</strong> — Welding Shop: arc &amp; gas welding basics</li>
+          <li><strong>Ch 3</strong> — Carpentry Shop: wood joints &amp; finishing</li>
+          <li><strong>Ch 4</strong> — Smithy Shop: forging operations</li>
+          <li><strong>Ch 5</strong> — Sheet Metal Shop: bending, cutting, joining</li>
+          <li><strong>Ch 6</strong> — Foundry Shop: sand casting process</li>
+          <li><strong>Ch 7</strong> — Turning Shop: lathe machine operations</li>
+        </ul>
+      </div>
+
+      <div className="bg-[#2a1500] rounded-xl p-5 border border-[#fccc7e]/30 space-y-3">
+        <h3 className="text-xl font-semibold text-[#fccc7e]">What Each Shop Module Covers</h3>
+        <ul className="list-disc list-inside space-y-1 opacity-90">
+          <li>Introduction and theory</li>
+          <li>Important tools used</li>
+          <li>Safety measures</li>
+          <li>Labelled diagrams</li>
+          <li>Most asked viva questions</li>
+        </ul>
+      </div>
+    </div>
+  );
+}

app/sem1/wp/layout.tsx

@@ -0,0 +1,18 @@
+import Navbar from "@/app/components/navbar";
+import Sidebar from "./components/sidebar";
+
+export default function WorkshopLayout({
+  children,
+}: {
+  children: React.ReactNode;
+}) {
+  return (
+    <div className="flex flex-col min-h-screen bg-[#1B0D00]">
+      <Navbar />
+      <div className="flex flex-1 overflow-hidden">
+        <Sidebar />
+        <main className="flex-1 overflow-y-auto p-4">{children}</main>
+      </div>
+    </div>
+  );
+}