initial book view

books/tekis-2017.json

@@ -0,0 +1,236 @@
+{
+  "title": "TKO-älyn laulukirja (2017)",
+  "organisation": "TKO-äly ry.",
+  "credits": {
+    "Laulukirjavastaavat": [
+      "Julius Uusinarkaus",
+      "Maximilian Remming",
+      "Paul Saikko"
+    ],
+    "Lauluja keräsi": [
+      "Jonne Huotari",
+      "Juho Kostet",
+      "Felix Lindholm",
+      "Henri Malkki",
+      "Jussi Maristo",
+      "Eetu Mattila",
+      "Mikko Rinta-Homi",
+      "Ville-Veikko Saari"
+    ],
+    "Kategoriasivut": ["Hugo Holmqvist", "Mauri Karlin", "Topi Talvitie"],
+    "Oikoluku, läpilaulu": [
+      "Eetu Mattila",
+      "Valentin Abramenkov",
+      "Ada Hyvärinen",
+      "Sami Lindqvist",
+      "Markus Riskumäki",
+      "Nico Roos",
+      "Sakari Väkevä",
+      "Tuomas Tynkkynen",
+      "Martti Rannanjärvi"
+    ],
+    "Suurkiitokset": ["make", "Google Sheets", "Python", "LaTeX"],
+    "Kirjojen nouto": ["Kimmo Kulmala", "Miia Rämö"]
+  },
+  "songs": [
+    { "number": "0", "title": "Sandstorm" },
+    { "number": "1", "title": "Finlandia" },
+    { "number": "2", "title": "Maamme" },
+    { "number": "3", "title": "De Brevitae Vitae" },
+    { "number": "4", "title": "Aqua Vera" },
+    { "number": "5", "title": "Brännvin, vatten" },
+    { "number": "6", "title": "Eino Leinon juomalaulu" },
+    { "number": "7", "title": "Eurovision juomalaulu" },
+    { "number": "8", "title": "Hauki ja viina" },
+    { "number": "9", "title": "Hei vahtimestari" },
+    { "number": "10", "title": "Helan går" },
+    { "number": "11", "title": "Hell and gore" },
+    { "number": "12", "title": "Henkilökuntaa" },
+    { "number": "13", "title": "Hypermedialaulu" },
+    { "number": "14", "title": "Internationalen" },
+    { "number": "15", "title": "Intian kuu" },
+    { "number": "16", "title": "Järjestöasiantuntijan runtulaulu" },
+    { "number": "17", "title": "Jos (e)ukkosi kieltää sua juomasta" },
+    { "number": "18", "title": "Karhuviinaa" },
+    { "number": "19", "title": "Ko-Ko-Ko-Koskenkorvaa" },
+    { "number": "20", "title": "Lapin Kulta kaanon" },
+    { "number": "21", "title": "Leukojen välliin" },
+    { "number": "22", "title": "Livet är härligt" },
+    { "number": "23", "title": "Lärvit" },
+    { "number": "24", "title": "Mielihaluja" },
+    { "number": "25", "title": "Minnet" },
+    { "number": "26", "title": "No onkos tullut kesä" },
+    { "number": "27", "title": "Varpunen jouluaamuna" },
+    { "number": "28", "title": "Joulu on nyt" },
+    { "number": "29", "title": "Joulu on taas" },
+    { "number": "30", "title": "Muurari rabbi" },
+    { "number": "31", "title": "Olof Palme -snapvisan" },
+    { "number": "32", "title": "Paavi ja Sulttaani" },
+    { "number": "33", "title": "Pienet käärmeet" },
+    { "number": "34", "title": "Puheenjohtajan juomalaulu" },
+    { "number": "35", "title": "Ryyppää vaan" },
+    { "number": "36", "title": "Salatequila" },
+    { "number": "37", "title": "Sörnai gusha" },
+    { "number": "38", "title": "Tänään otetaan" },
+    { "number": "39", "title": "Unkarin viini" },
+    { "number": "40", "title": "Demokratian kriisi" },
+    { "number": "41", "title": "Vesipoikien marssi" },
+    { "number": "42", "title": "Vi ska dricka hela natten" },
+    { "number": "43", "title": "Vitutuslaulu" },
+    { "number": "44", "title": "Felix" },
+    { "number": "45", "title": "Finlandssvensk snapsvisa" },
+    { "number": "46", "title": "Hullu kirvesmies" },
+    { "number": "47", "title": "Jesussoldat" },
+    { "number": "49", "title": "Klusterilainen" },
+    { "number": "50", "title": "Nyt ryypätään" },
+    { "number": "51", "title": "Oispa kaljaa" },
+    { "number": "52", "title": "Raittiuslaulu" },
+    { "number": "53", "title": "Rati riti ralla" },
+    { "number": "54", "title": "Sähkö-ATK laulu" },
+    { "number": "55", "title": "Sisään" },
+    { "number": "56", "title": "Snapsien kaveri" },
+    { "number": "57", "title": "Suhteellisen rivakka turkulainen juomalaulu" },
+    { "number": "58", "title": "Turkulainen juomalaulu" },
+    { "number": "59", "title": "Vaakuna, Herba ja Koskenkorva" },
+    { "number": "60", "title": "Valomerkin jälkeen" },
+    { "number": "61", "title": "Vem i helvete?" },
+    { "number": "62", "title": "Yliopistoinnovaatio" },
+    { "number": "63", "title": "Dokataan" },
+    { "number": "64", "title": "Euforia" },
+    { "number": "65", "title": "F-U-K-S-I" },
+    { "number": "66", "title": "Gurulassa" },
+    { "number": "67", "title": "Huutolaatta" },
+    { "number": "68", "title": "Internationaali" },
+    { "number": "69", "title": "Jallu" },
+    { "number": "70", "title": "Kaks kisälliä" },
+    { "number": "71", "title": "Kalliolle Kumpulamme" },
+    { "number": "72", "title": "Klurre kädelläsi" },
+    { "number": "73", "title": "Koff" },
+    { "number": "74", "title": "Koodaillaan" },
+    { "number": "75", "title": "Melkki kaatuu" },
+    { "number": "76", "title": "Sen nimi oli Jallu" },
+    { "number": "77", "title": "Lasi täyttyy oluesta" },
+    { "number": "78", "title": "Laulu Uudelle" },
+    { "number": "79", "title": "Leikkaamaan" },
+    { "number": "80", "title": "Leppätalo" },
+    { "number": "81", "title": "Lonkéro" },
+    { "number": "82", "title": "Luukkaisen poika" },
+    {
+      "number": "?",
+      "title": "test song",
+      "content": "test song please ignore"
+    },
+    { "number": "84", "title": "Mandariinimies" },
+    { "number": "85", "title": "Meksikon pikapano" },
+    { "number": "86", "title": "Minun juomani kossu on" },
+    { "number": "87", "title": "Muinaisten valssi" },
+    { "number": "88", "title": "Murheellisten bittien maa" },
+    { "number": "89", "title": "Nisti ja nööri" },
+    { "number": "90", "title": "Pienet konjakit" },
+    { "number": "91", "title": "Rakastuin mä klusteriin" },
+    { "number": "92", "title": "Rakenteisiin asti" },
+    { "number": "93", "title": "Sauvakirkon polttaja" },
+    { "number": "94", "title": "Skrillexin mökkitie" },
+    { "number": "95", "title": "Sitsipeto on irti" },
+    { "number": "96", "title": "Skumppaa punkun kaa" },
+    { "number": "97", "title": "Urhometso" },
+    { "number": "98", "title": "YTHS" },
+    { "number": "99", "title": "Viidestoista vuosi" },
+    {
+      "number": "100",
+      "title": "Alfred J. Kwak (Intro)",
+      "slug": "alfred-j-kwak"
+    },
+    {
+      "number": "101",
+      "title": "Alfred J. Kwak (Outro)",
+      "slug": "alfred-j-kwak"
+    },
+    { "number": "102", "title": "Ankronikka" },
+    { "number": "103", "title": "Dodo-sorsa" },
+    { "number": "104", "title": "Kun mä kuolen" },
+    { "number": "105", "title": "Käpylä" },
+    { "number": "106", "title": "Leipuri hiiva" },
+    { "number": "107", "title": "Matin syntymäpäivälaulu" },
+    { "number": "108", "title": "Matkalaulu" },
+    { "number": "109", "title": "Minä soitan harmonikkaa" },
+    { "number": "110", "title": "Muumit teema" },
+    { "number": "111", "title": "Onomatopoeettinen alkoholiliike" },
+    { "number": "112", "title": "Paljon jallua" },
+    { "number": "113", "title": "Peppi Pitkätossu" },
+    { "number": "114", "title": "Pikkukakkosen posti" },
+    { "number": "115", "title": "Pokémon teema" },
+    { "number": "116", "title": "Pokémon Theme" },
+    { "number": "117", "title": "Pumppulaulu" },
+    { "number": "118", "title": "Teletappien juomalaulu" },
+    { "number": "119", "title": "Tietoliikennelaulu" },
+    { "number": "120", "title": "Viinamaa" },
+    { "number": "121", "title": "Kalmarevisan" },
+    { "number": "122", "title": "Koska meitä käsketään" },
+    { "number": "123", "title": "Lapsuuden toverille" },
+    { "number": "124", "title": "Nämä lääkkeet" },
+    { "number": "125", "title": "Niin minä neitonen sinulle laulan" },
+    { "number": "126", "title": "Nocturne" },
+    { "number": "127", "title": "Oman kullan silmät" },
+    { "number": "128", "title": "Punschen kommer" },
+    { "number": "129", "title": "Romanssi" },
+    { "number": "130", "title": "Rosvo Roope" },
+    { "number": "131", "title": "Ryyppy saapuu" },
+    { "number": "132", "title": "Vit vecka" },
+    { "number": "133", "title": "Vodka vodka" },
+    { "number": "134", "title": "Lenin-setä asuu Venäjällä" },
+    { "number": "135", "title": "Neuvostoliiton hymni" },
+    { "number": "136", "title": "Oodi sitoutumattomuudelle" },
+    { "number": "137", "title": "Dirlandaa" },
+    { "number": "138", "title": "Eesti (On My Mind)" },
+    { "number": "139", "title": "Ei tippa tapa" },
+    { "number": "140", "title": "Ievan Polkka" },
+    { "number": "141", "title": "Jallutyttö" },
+    { "number": "142", "title": "Jallutähden alla" },
+    { "number": "143", "title": "Jaloviinaa" },
+    { "number": "144", "title": "Joutsenlaulu" },
+    { "number": "145", "title": "Juodaan viinaa" },
+    { "number": "146", "title": "Kotiviini" },
+    { "number": "147", "title": "Maija" },
+    { "number": "148", "title": "Mökkitie" },
+    { "number": "149", "title": "Pohjois-Karjala" },
+    { "number": "150", "title": "Sinä lähdit pois" },
+    { "number": "151", "title": "Soome" },
+    { "number": "152", "title": "Taistelu Jaska - Theme" },
+    { "number": "153", "title": "TIETO - Value for Life" },
+    { "number": "154", "title": "Tähtipölyä" },
+    { "number": "155", "title": "Unelmia ja toimistohommia" },
+    { "number": "156", "title": "Volga" },
+    { "number": "157", "title": "A Finnish Drinking Song" },
+    { "number": "158", "title": "Ace of Spades" },
+    { "number": "159", "title": "All Star" },
+    { "number": "160", "title": "All the Drinks" },
+    { "number": "161", "title": "Always Look on the BRight Side of Life" },
+    { "number": "162", "title": "Barbie Girl" },
+    { "number": "163", "title": "Bohemian Rhapsody" },
+    { "number": "164", "title": "Call Me Maybe" },
+    { "number": "165", "title": "Drink Your Beer" },
+    { "number": "166", "title": "Drunken Sailor" },
+    { "number": "167", "title": "Eye of the Tiger" },
+    { "number": "168", "title": "Far Over the Misty Mountains Cold" },
+    { "number": "169", "title": "Fast Food Song" },
+    { "number": "170", "title": "HEYYEYAAEYAAAEYA" },
+    { "number": "171", "title": "My Favourite DRinks" },
+    { "number": "172", "title": "Never Gonna Give You Up" },
+    { "number": "173", "title": "Numa Numa" },
+    { "number": "174", "title": "Still Alive" },
+    { "number": "175", "title": "Syphilis" },
+    { "number": "176", "title": "Take on Me" },
+    { "number": "177", "title": "The ABC song" },
+    {
+      "number": "178",
+      "title": "We Are Number One But Everytime One Is Said Everyone Takes a Drink"
+    },
+    { "number": "179", "title": "Wonderwall" },
+    { "number": "180", "title": "Yogi Bear" },
+    { "number": "181", "title": "Luonnontieteilijän uni" },
+    { "number": "n-1", "title": "Oodi Kumpulalle" },
+    { "number": "n", "title": "Ken on fuksi" },
+    { "number": "∞", "title": "Teinilaulu" }
+  ]
+}

components/BackButton.tsx

@@ -0,0 +1,13 @@
+import { useRouter } from "next/router";
+import { useCallback } from "react";
+import { Link } from "./Link";
+
+export const BackButton = () => {
+  const router = useRouter();
+  const goBack = useCallback(() => router.back(), [router]);
+  return (
+    <Link variant="primary" href="/" onClick={goBack}>
+      Back
+    </Link>
+  );
+};

lib/books.ts

@@ -0,0 +1,37 @@
+import type { Book } from "@/types/book";
+
+import { promises } from "fs";
+import path from "path";
+
+const directory = path.join(process.cwd(), "books");
+
+const getFilenames = async () => promises.readdir(directory);
+
+// FIXME: Validate JSON structure (parsed data is `unknown`)
+export const getBooks = async (): Promise<Book[]> => {
+  const filenames = await getFilenames();
+  return await Promise.all(filenames.map(readBook));
+};
+
+export const getBook = async (name: string): Promise<Book | null> => {
+  const filenames = await getFilenames();
+  const filename = `${name}.json`;
+  if (!filenames.includes(filename)) {
+    return null;
+  }
+  return readBook(filename);
+};
+
+const readBook = async (filename: string): Promise<Book> => {
+  const filePath = path.join(directory, filename);
+  const contents = await promises.readFile(filePath, "utf-8");
+  return {
+    ...JSON.parse(contents),
+    name: path.basename(filename, ".json"),
+  };
+};
+
+export const getBookNames = async () => {
+  const filenames = await getFilenames();
+  return filenames.map((filename) => path.basename(filename, ".json"));
+};

lib/getTelegramUrl.ts

@@ -1,24 +1,24 @@
+import { Book } from "@/types/book";
 import type { Song } from "@/types/song";
 import slugify from "./slugify";
 
 const BYTE_LIMIT = 4096;
 const TELEGRAM_BASE = "https://t.me/share/url";
 const FALLBACK_BASE_URL = "https://laulum.me/";
 
-const getTelegramURL = (songUrl: string, text: string): string => {
+export const getTelegramURL = (songUrl: string, text?: string): string => {
   const url = new URL(TELEGRAM_BASE);
   url.searchParams.set("url", songUrl);
-  url.searchParams.set("text", text);
+  if (text) url.searchParams.set("text", text);
   return url.toString();
 };
 
 /**
  * A function to generate a Telegram share link for a song.
- * Reads the base URL from environment variable BASE_URL.
  * @param song
  * @param baseURL Base URL for the link, e.g. "https://laulum.me" (default)
  */
-export const getTelegramLink = (song: Song, baseURL?: string): string => {
+export const getSongLink = (song: Song, baseURL?: string): string => {
   const songURL = new URL(
     `/songs/${slugify(song.title)}`,
     baseURL ?? FALLBACK_BASE_URL
@@ -40,3 +40,13 @@ export const getTelegramLink = (song: Song, baseURL?: string): string => {
   // If the body is too long (exceeds BYTE_LIMIT), send only necessary information
   return getTelegramURL(songURL, header);
 };
+
+/**
+ * A function to generate a Telegram share link for a book.
+ * @param book
+ * @param baseUrl Base URL for the link, e.g. "https://laulum.me" (default)
+ */
+export const getBookLink = (book: Book, baseURL?: string): string => {
+  const bookURL = new URL(`/books/${book.name}`, baseURL ?? FALLBACK_BASE_URL);
+  return getTelegramURL(bookURL.toString());
+};

lib/songs.ts

@@ -86,3 +86,8 @@ export const getSong = async (querySlug: string) => {
 
   return readSong(match.filename);
 };
+
+export const songExists = async (querySlug: string) => {
+  const mapping = await getSlugs(querySlug);
+  return mapping.some(({ slug }) => querySlug === slug);
+};