Add find, refactor types

api.ts

@@ -1,6 +1,8 @@
 import { stringify } from "querystring";
 import { get } from "request";
 
+import { Article } from "./types";
+
 const URI = "https://api.cardmarket.com/ws/v2.0/output.json";
 
 export default class CardMarketApi {
@@ -48,4 +50,20 @@ export default class CardMarketApi {
       );
     });
   }
+
+  async getAllArticles(uid: string): Promise<Article[]> {
+    const perPage = 1000;
+    let start = 0;
+    let response;
+    let data: Article[] = [];
+    do {
+      response = await this.get(`/users/${uid}/articles`, {
+        start,
+        maxResults: perPage
+      });
+      data = data.concat(response.article as Article[]);
+      start += response.article.length;
+    } while (response.article.length == perPage);
+    return data;
+  }
 }

convert.ts

@@ -1,7 +1,10 @@
+import { existsSync } from "fs";
+
 import { asyncLoadJSON, asyncSaveJSON } from "./utils";
 
 interface JSONCard {
   mcmId: number;
+  set: string;
 }
 
 interface JSONSet {
@@ -11,12 +14,23 @@ interface JSONSet {
 type JSONDB = Record<string, JSONSet>;
 
 async function run() {
+  if (!existsSync("AllPrintings.json")) {
+    console.error(
+      "AllPrintings.json not found. Download from: https://www.mtgjson.com/files/AllPrintings.json"
+    );
+    process.exit(1);
+  }
+  console.info("Loading AllPrintings.json");
   const db = await asyncLoadJSON<JSONDB>("AllPrintings.json");
   let acc = {};
   for (const set in db) {
-    db[set].cards.forEach(c => (acc[c.mcmId] = c));
+    db[set].cards.forEach(c => {
+      c.set = set;
+      acc[c.mcmId] = c;
+    });
   }
   asyncSaveJSON("mcmCards.json", acc);
+  console.info("Saved converted info to mcmCards.json. You're ready to go!");
 }
 
 run();

fetch.ts

@@ -1,30 +1,5 @@
-import { existsSync } from "fs";
-
 import CardMarketApi from "./api";
-import { asyncLoadJSON, asyncSaveJSON } from "./utils";
+import { asyncSaveJSON } from "./utils";
-
-interface MCMCard {
-  name: string;
-  rarity: string;
-}
-
-type MCMDB = Record<string, MCMCard>;
-
-async function getAllArticles(api: CardMarketApi, uid: string) {
-  const perPage = 1000;
-  let start = 0;
-  let response;
-  let data = [];
-  do {
-    response = await api.get(`/users/${uid}/articles`, {
-      start,
-      maxResults: perPage
-    });
-    data = data.concat(response.article);
-    start += response.article.length;
-  } while (response.article.length == perPage);
-  return data;
-}
 
 async function run() {
   if (process.argv.length < 3) {
@@ -33,13 +8,8 @@ async function run() {
     return;
   }
   const uid = process.argv[2];
-  if (!existsSync("mcmCards.json")) {
-    console.error("Card db is missing! Run 'yarn convert-db' first.");
-    process.exit(1);
-  }
-  let db = await asyncLoadJSON<MCMDB>("mcmCards.json");
   let api = new CardMarketApi();
-  const articles = await getAllArticles(api, uid);
+  const articles = await api.getAllArticles(uid);
   await asyncSaveJSON(`${uid}-cards.json`, articles);
 }
 

find.ts

@@ -0,0 +1,55 @@
+import { existsSync } from "fs";
+
+import { Article, MCMDB } from "./types";
+import { asyncLoadJSON, asyncSaveJSON, leanArticle, leanCard } from "./utils";
+
+async function run() {
+  if (process.argv.length < 3) {
+    console.error("Usage: yarn fetch <uid>");
+    process.exit(1);
+    return;
+  }
+  const uid = process.argv[2];
+  const uidCards = `${uid}-cards.json`;
+  if (!existsSync("mcmCards.json")) {
+    console.error("Card db is missing! Run 'yarn convert-db' first.");
+    process.exit(1);
+  }
+  if (!existsSync(uidCards)) {
+    console.error(`Could not find ${uidCards}! Run 'yarn fetch ${uid}' first.`);
+    process.exit(1);
+  }
+  let db = await asyncLoadJSON<MCMDB>("mcmCards.json");
+  let articles = await asyncLoadJSON<Article[]>(`${uid}-cards.json`);
+
+  let cards = articles
+    .filter(art => art.idProduct in db)
+    .map(art => {
+      const card = db[art.idProduct];
+      return {
+        ...leanArticle(art),
+        ...leanCard(card)
+      };
+    });
+
+  let valid = cards.filter(
+    c =>
+      (c.language == "Italian" || c.language == "English") &&
+      c.price <= 0.1 &&
+      (c.rarity == "rare" || c.rarity == "mythic")
+  );
+  let netprice = valid.reduce((a, c) => (a += c.price), 0);
+  console.log(
+    `Found ${
+      valid.length
+    } cards (rare or mythic) <= € 0.10 (IT/EN), price to buy all: € ${netprice.toFixed(
+      2
+    )}.`
+  );
+  await asyncSaveJSON(
+    `${uid}-filtered-cards.json`,
+    valid.sort((a, b) => a.edhrecRank - b.edhrecRank)
+  );
+}
+
+run();

package.json

@@ -7,7 +7,8 @@
   "license": "MIT",
   "scripts": {
     "fetch": "ts-node fetch.ts",
-    "convert-db": "ts-node convert.ts"
+    "init-db": "ts-node convert.ts",
+    "find": "ts-node find.ts"
   },
   "dependencies": {
     "@types/node": "^12.12.11",

types.ts

@@ -0,0 +1,133 @@
+export interface ForeignData {
+  flavorText: string;
+  language: string;
+  multiverseId: number;
+  name: string;
+  text: string;
+  type: string;
+}
+
+export interface Legalities {
+  commander: string;
+  duel: string;
+  legacy: string;
+  modern: string;
+  vintage: string;
+}
+
+export interface Prices {
+  mtgo: Record<string, number>;
+  mtgoFoil: Record<string, number>;
+  paper: Record<string, number>;
+  paperFoil: Record<string, number>;
+}
+
+export interface PurchaseUrls {
+  cardmarket: string;
+  tcgplayer: string;
+}
+
+export interface MCMCard {
+  artist: string;
+  borderColor: string;
+  colorIdentity: string[];
+  colors: string[];
+  convertedManaCost: number;
+  edhrecRank: number;
+  flavorText: string;
+  foreignData: ForeignData[];
+  frameVersion: string;
+  hasFoil: boolean;
+  hasNonFoil: boolean;
+  isMtgo: boolean;
+  isPaper: boolean;
+  layout: string;
+  legalities: Legalities;
+  manaCost: string;
+  mcmId: number;
+  mcmMetaId: number;
+  mtgoFoilId: number;
+  mtgoId: number;
+  multiverseId: number;
+  name: string;
+  number: string;
+  originalText: string;
+  originalType: string;
+  power: string;
+  prices: Prices;
+  printings: string[];
+  purchaseUrls: PurchaseUrls;
+  rarity: string;
+  rulings: any[];
+  scryfallId: string;
+  scryfallIllustrationId: string;
+  scryfallOracleId: string;
+  subtypes: string[];
+  supertypes: any[];
+  tcgplayerProductId: number;
+  text: string;
+  toughness: string;
+  type: string;
+  types: string[];
+  uuid: string;
+  set: string;
+}
+
+export type MCMDB = Record<string, MCMCard>;
+
+// Lighther version of MCMCard without a lot of useless information
+export interface LeanMCMCard {
+  colorIdentity: string[];
+  colors: string[];
+  convertedManaCost: number;
+  edhrecRank: number;
+  manaCost: string;
+  mcmId: number;
+  name: string;
+  rarity: string;
+  scryfallId: string;
+  subtypes: string[];
+  supertypes: any[];
+  text: string;
+  type: string;
+  types: string[];
+  set: string;
+}
+
+export interface Language {
+  idLanguage: number;
+  languageName: string;
+}
+
+export interface Link {
+  rel: string;
+  href: string;
+  method: string;
+  action: string;
+  idArticle?: number;
+}
+
+export interface Article {
+  idArticle: number;
+  idProduct: number;
+  language: Language;
+  comments: string;
+  price: number;
+  count: number;
+  inShoppingCart: boolean;
+  condition: string;
+  isFoil: boolean;
+  isSigned: boolean;
+  isPlayset: boolean;
+  isAltered: boolean;
+  links: Link[];
+}
+
+export interface LeanArticle {
+  idArticle: number;
+  language: string;
+  comments: string;
+  price: number;
+  count: number;
+  condition: string;
+}

utils.ts

@@ -1,5 +1,7 @@
 import { readFile, writeFile } from "fs";
 
+import { Article, LeanArticle, LeanMCMCard, MCMCard } from "./types";
+
 export async function asyncLoadJSON<T>(filename: string): Promise<T> {
   return new Promise((resolve, reject) => {
     readFile(filename, "utf8", (err, data) => {
@@ -24,3 +26,34 @@ export async function asyncSaveJSON(
     });
   });
 }
+
+export function leanCard(card: MCMCard): LeanMCMCard {
+  return {
+    colorIdentity: card.colorIdentity,
+    colors: card.colors,
+    convertedManaCost: card.convertedManaCost,
+    edhrecRank: card.edhrecRank,
+    manaCost: card.manaCost,
+    mcmId: card.mcmId,
+    name: card.name,
+    rarity: card.rarity,
+    scryfallId: card.scryfallId,
+    subtypes: card.subtypes,
+    supertypes: card.supertypes,
+    text: card.text,
+    type: card.type,
+    types: card.types,
+    set: card.set
+  };
+}
+
+export function leanArticle(article: Article): LeanArticle {
+  return {
+    idArticle: article.idArticle,
+    language: article.language.languageName,
+    comments: article.comments,
+    price: article.price,
+    count: article.count,
+    condition: article.condition
+  };
+}