rokameal
Version:
Simplified meal data fetcher using Republic of Korea Army Open Data API (Ministry of Defense)
105 lines (104 loc) • 4.89 kB
JavaScript
;
var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }
return new (P || (P = Promise))(function (resolve, reject) {
function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }
function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } }
function step(result) { result.done ? resolve(result.value) : adopt(result.value).then(fulfilled, rejected); }
step((generator = generator.apply(thisArg, _arguments || [])).next());
});
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.MealFetcher = exports.cleanMenuName = void 0;
const utils_1 = require("./utils");
const cross_fetch_1 = require("cross-fetch");
const luxon_1 = require("luxon");
const parseData = (rows) => rows.reduce((acc, cur) => (Object.assign(Object.assign({}, acc), { [cur.dates]: acc[cur.dates]
? {
breakfast: {
menus: (0, utils_1.appendedIfNotEmpty)(acc[cur.dates].breakfast.menus, cur.brst),
calories: acc[cur.dates].breakfast.calories +
(0, utils_1.extractNumbers)(cur.brst_cal),
},
lunch: {
menus: (0, utils_1.appendedIfNotEmpty)(acc[cur.dates].lunch.menus, cur.lunc),
calories: acc[cur.dates].lunch.calories + (0, utils_1.extractNumbers)(cur.lunc_cal),
},
dinner: {
menus: (0, utils_1.appendedIfNotEmpty)(acc[cur.dates].dinner.menus, cur.dinr),
calories: acc[cur.dates].dinner.calories + (0, utils_1.extractNumbers)(cur.dinr_cal),
},
}
: {
breakfast: {
menus: (0, utils_1.appendedIfNotEmpty)([], cur.brst),
calories: (0, utils_1.extractNumbers)(cur.brst_cal),
},
lunch: {
menus: (0, utils_1.appendedIfNotEmpty)([], cur.lunc),
calories: (0, utils_1.extractNumbers)(cur.lunc_cal),
},
dinner: {
menus: (0, utils_1.appendedIfNotEmpty)([], cur.dinr),
calories: (0, utils_1.extractNumbers)(cur.dinr_cal),
},
} })), {});
const cleanMenuName = (name) => name.replace(/\(\d\d\)/g, '');
exports.cleanMenuName = cleanMenuName;
class MealFetcher {
constructor(authKey, cache) {
this.authKey = authKey;
this.cache = new Map(cache
? Object.entries(cache).map(([baseCode, records]) => [
baseCode,
new Map(Object.entries(records)),
])
: []);
}
buildURL(baseCode, start, end) {
if (!this.authKey) {
throw new Error('missing authKey: make sure that you initialized MealFetcher with an authKey');
}
return `https://openapi.mnd.go.kr/${this.authKey}/json/DS_TB_MNDT_DATEBYMLSVC_${baseCode}/${start}/${end}`;
}
toFormattedDate(date) {
return luxon_1.DateTime.fromJSDate(date).toFormat('yyyy-MM-dd');
}
preloadMeal(baseCode) {
return __awaiter(this, void 0, void 0, function* () {
const url = this.buildURL(baseCode, 0, 1);
const estimate = yield (0, cross_fetch_1.default)(url);
const estimateData = (yield estimate.json());
const { list_total_count } = estimateData[`DS_TB_MNDT_DATEBYMLSVC_${baseCode}`];
const fullURL = this.buildURL(baseCode, 0, list_total_count);
const full = yield (0, cross_fetch_1.default)(fullURL);
const fullData = (yield full.json());
this.cache.set(baseCode, new Map(Object.entries(parseData(fullData[`DS_TB_MNDT_DATEBYMLSVC_${baseCode}`].row))));
return this.cache.get(baseCode);
});
}
getMeal(baseCode, date) {
var _a;
return __awaiter(this, void 0, void 0, function* () {
const formattedDate = this.toFormattedDate(date);
if ((_a = this.cache.get(baseCode)) === null || _a === void 0 ? void 0 : _a.has(formattedDate)) {
return this.cache.get(baseCode).get(formattedDate);
}
else {
const record = yield this.preloadMeal(baseCode);
const meal = record.get(formattedDate);
if (!meal) {
throw new Error(`Unable to find meal data for: ${baseCode} on ${date}`);
}
return meal;
}
});
}
exportCache() {
return Object.fromEntries(Array.from(this.cache.entries()).map(([baseCode, records]) => [
baseCode,
Object.fromEntries(Array.from(records.entries())),
]));
}
}
exports.MealFetcher = MealFetcher;