feat: Replace OpenLibrary autocomplete with Google Books search for b…

.gitignore

@@ -4,3 +4,4 @@ node_modules/
 .backups/
 *.code-workspace
 .eslintrc.json
+next-env.d.ts

__tests__/app/api/books/generate/route.test.ts

@@ -0,0 +1,70 @@
+import { parseBookMetadata } from "@/lib/book-utils"
+import { BookMetadata } from "@/lib/types"
+
+describe("parseBookMetadata", () => {
+  it("should parse Google Books data correctly", () => {
+    const googleBook: BookMetadata = {
+      title: "Google Book Title",
+      authors: ["Author One", "Author Two"],
+      coverUrl: "http://example.com/cover.jpg",
+      isbn: "1234567890",
+      googleId: "g1",
+    }
+
+    const result = parseBookMetadata(googleBook)
+
+    expect(result).toEqual({
+      title: "Google Book Title",
+      author: "Author One, Author Two",
+      cover_url: "http://example.com/cover.jpg",
+      isbn: "1234567890",
+    })
+  })
+
+  it("should parse OpenLibrary data correctly", () => {
+    const olBook: BookMetadata = {
+      title: "OL Book Title",
+      author_name: ["OL Author"],
+      cover_edition_key: "OL123M",
+      isbn: ["0987654321"],
+      key: "/works/OL123W",
+      // Force type to satisfy simplified mock if needed, but the structure matches
+      edition_key: ["OL123M"],
+      publish_year: [2021],
+    } as any // Cast as any because OpenLibraryDoc has many required fields
+
+    const result = parseBookMetadata(olBook)
+
+    expect(result).toEqual({
+      title: "OL Book Title",
+      author: "OL Author",
+      cover_url: "https://covers.openlibrary.org/b/olid/OL123M-M.jpg", // Expecting getBookCover logic
+      isbn: "0987654321",
+    })
+  })
+
+  it("should handle missing optional fields gracefully", () => {
+    const minimalBook: BookMetadata = {
+      title: "Minimal Book",
+    } as any
+
+    const result = parseBookMetadata(minimalBook)
+
+    expect(result).toEqual({
+      title: "Minimal Book",
+      author: "Unknown Author",
+      cover_url: null,
+      isbn: null,
+    })
+  })
+
+  it("should return defaults for null input", () => {
+    const result = parseBookMetadata(null as any)
+    expect(result).toEqual({
+      title: "Unknown Title",
+      author: "Unknown Author",
+      cover_url: null,
+      isbn: null,
+    })
+  })
+})

app/api/books/generate/route.ts

@@ -4,7 +4,9 @@ import { generateBookId } from "@/lib/id_generator"
 import { createRouteHandlerClient } from "@supabase/auth-helpers-nextjs"
 import { cookies } from "next/headers"
 import { createClient } from "@supabase/supabase-js"
+import { parseBookMetadata } from "@/lib/book-utils"
 import { OpenLibraryDoc, getBookCover } from "@/lib/openLibrary"
+import { BookMetadata } from "@/lib/types"
 
 export const dynamic = "force-dynamic"
 
@@ -40,9 +42,16 @@ export async function POST(request: Request) {
     })
 
     // 4. Prepare Metadata
-    const typedBook = book as OpenLibraryDoc
-    const cover_url = typedBook ? getBookCover(typedBook) : null
-    const isbn = typedBook?.isbn ? typedBook.isbn[0] : null
+    // The 'book' object might be an OpenLibraryDoc or a GoogleBookData object
+    const bookData = book as BookMetadata
+
+    // Parse metadata using helper to handle different formats safely
+    const { title, author, cover_url: cover_link, isbn } = parseBookMetadata(bookData)
+
+    if (!title || title === "Unknown Title") {
+      console.error("Attempted to generate book with no title", bookData)
+      return NextResponse.json({ error: "Book title is required" }, { status: 400 })
+    }
 
     // 5. Persist Book
     const { data, error } = await adminSupabase
@@ -51,10 +60,10 @@ export async function POST(request: Request) {
         code,
         lat,
         lon: long,
-        title: typedBook?.title || "Unknown Title",
-        author: typedBook?.author_name?.[0] || "Unknown Author",
+        title: title,
+        author: author,
         isbn: isbn,
-        cover_url: cover_url,
+        cover_url: cover_link,
         location: `${lat},${long}`,
       })
       .select()
@@ -91,3 +100,5 @@ export async function POST(request: Request) {
     return NextResponse.json({ error: "Failed to create code" }, { status: 500 })
   }
 }
+
+// Helper moved to @/lib/book-utils