feat: add support random photos (#4)

src/helpers/createKeyboard.ts

@@ -6,6 +6,7 @@ import { ContextBot } from '../index'
 export const createKeyboard = (ctx: ContextBot): Markup.Markup<ReplyKeyboardMarkup> =>
 	Markup.keyboard([
 		Markup.button.locationRequest(ctx.i18n.t('buttons.location')),
+		Markup.button.callback(ctx.i18n.t('buttons.randomPhotos'), 'randomPhotos'),
 		Markup.button.callback(ctx.i18n.t('buttons.morePhotos'), 'morePhotos'),
 		Markup.button.callback(ctx.i18n.t('buttons.settings'), 'settings'),
 	]).resize()

src/helpers/getPastvuRandomPhotos.ts

@@ -0,0 +1,24 @@
+import fetch from 'node-fetch'
+
+import { PastvuItem } from './getPastvuPhotos'
+
+export type PastvuPhotos = {
+	result: { photos: PastvuItem[] }
+}
+export const getPastvuRandomPhotos = async (): Promise<PastvuPhotos> => {
+	const response = await fetch(
+		`https://pastvu.com/api2?method=photo.givePS&params={"cid":1,"random":true}`,
+	)
+
+	if (!response.ok) {
+		throw new Error(`Request failed: ${response.url}: ${response.status}`)
+	}
+
+	const json = (await response.json()) as { error: { error_msg: string } } | PastvuPhotos
+
+	if ('error' in json) {
+		throw new Error(`Request failed: ${response.url}: ${json.error.error_msg}`)
+	}
+
+	return json
+}

src/helpers/sendPhotos.ts

@@ -9,12 +9,12 @@ export const sendPhotos = async (
 		await ctx.replyWithMediaGroup(
 			pastvuData.map((item) => ({
 				media: { url: `https://pastvu.com/_p/d/${item.file}` },
-				caption: `${item.year} ${item.title}`,
+				caption: `${item.year} ${item.title} https://pastvu.com/p/${item.cid}`,
 				parse_mode: 'HTML',
 				type: 'photo',
 			})),
 		)
 	} catch (error) {
-		throw new Error(ctx.i18n.t('errors.errorRequestPhotos'))
+		throw new Error(ctx.i18n.t('errors.errorSendPhotos'))
 	}
 }

src/i18n/locales/en.json

@@ -9,10 +9,12 @@
 		"errorLetsTry": "Error, please try again.",
 		"errorSave": "Error saving settings.",
 		"errorSetPeriod": "Error, please enter a valid period.",
-		"errorParseURL": "Something with the link. Try choosing a specific location."
+		"errorParseURL": "Something with the link. Try choosing a specific location.",
+		"errorSendPhotos": "Error sending photos"
 	},
 	"buttons": {
 		"location": "🧭 Send location",
+		"randomPhotos": "🎲 Random photos",
 		"morePhotos": "🔍 More photos",
 		"settings": "⚙️ Settings"
 	}

src/i18n/locales/ru.json

@@ -9,10 +9,12 @@
 		"errorLetsTry": "Ошибка, попробуйте еще раз.",
 		"errorSave": "Ошибка сохранения настроек.",
 		"errorSetPeriod": "Ошибка, введите корректный период.",
-		"errorParseURL": "Что то с ссылкой. Попробуйте выбрать конкретное местоположение."
+		"errorParseURL": "Что то с ссылкой. Попробуйте выбрать конкретное местоположение.",
+		"errorSendPhotos": "Ошибка отправки фотографий"
 	},
 	"buttons": {
 		"location": "🧭 Отправить местоположение",
+		"randomPhotos": "🎲 Случайные фотографии",
 		"morePhotos": "🔍 Еще фотографий",
 		"settings": "⚙️ Настройки"
 	}

src/index.ts

@@ -36,6 +36,7 @@ export interface ContextBot extends Context {
 		latitude: number
 		longitude: number
 	}
+	random: boolean
 }
 
 const bot = new Telegraf<ContextBot>(process.env.BOT_TOKEN)
@@ -86,6 +87,13 @@ async function main() {
 			.then(() => ctx.scene.enter('pastvu'))
 	})
 
+	bot.hears(new RegExp('🎲'), (ctx: ContextBot) => {
+		return ctx
+			.reply(ctx.i18n.t('buttons.randomPhotos'), createKeyboard(ctx))
+			.then(() => (ctx.random = true))
+			.then(() => ctx.scene.enter('pastvu'))
+	})
+
 	bot.hears(
 		new RegExp('https://maps.app.goo.gl|https://www.google.com/maps/place'),
 		(ctx) => {

src/scenes/pastvu.ts

@@ -3,24 +3,27 @@ import isEmpty from 'lodash/isEmpty'
 import { Scenes } from 'telegraf'
 
 import { getPastvuPhotos } from '../helpers/getPastvuPhotos'
+import { getPastvuRandomPhotos } from '../helpers/getPastvuRandomPhotos'
 import { sendPhotos } from '../helpers/sendPhotos'
 import { ContextBot } from '../index'
 
 export const pastvu = new Scenes.BaseScene<ContextBot>('pastvu')
 
 pastvu.enter(async (ctx: ContextBot) => {
-	if (ctx.geo) {
+	if (ctx.geo || ctx.random) {
 		ctx.scene.session.pastvuData = undefined
 		const startYear = ctx.data.startYear || 1839
 		const endYear = ctx.data.endYear || 2000
 
 		try {
-			const { result } = await getPastvuPhotos({
-				latitude: ctx.geo.latitude,
-				longitude: ctx.geo.longitude,
-				startYear,
-				endYear,
-			})
+			const { result } = ctx.random
+				? await getPastvuRandomPhotos()
+				: await getPastvuPhotos({
+						latitude: ctx.geo.latitude,
+						longitude: ctx.geo.longitude,
+						startYear,
+						endYear,
+				  })
 
 			if (result.photos.length === 0) {
 				await ctx.scene.leave()
@@ -32,10 +35,12 @@ pastvu.enter(async (ctx: ContextBot) => {
 			await sendPhotos(ctx, firstChunk)
 
 			if (isEmpty(otherChunks)) {
+				ctx.random = false
 				await ctx.scene.leave()
 			}
 			ctx.scene.session.pastvuData = otherChunks
 			ctx.scene.session.counterData = 0
+			ctx.random = false
 		} catch (err) {
 			if (err instanceof Error) {
 				return await ctx.reply(`${ctx.i18n.t('errors.error')} ${err.message}`)