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UA = { \"User-Agent\": \"Mozilla/5.0 (diesel-probe)\" };\n\nasync function fetchText(url: string): Promise {\n const r = await fetch(url, { headers: UA });\n return await r.text();\n}\n\nasync function showRows(url: string, names: string[]) {\n const html = await fetchText(url);\n const lower = html.toLowerCase();\n console.log(\"== URL:\", url, \"len:\", html.length);\n for (const name of names) {\n const pat = name.toLowerCase();\n let i = lower.indexOf(pat);\n let found = 0;\n while (i !== -1 && found < 2) {\n const start = lower.lastIndexOf(\"\", i);\n if (start !== -1 && end !== -1) {\n console.log(`--- ${name} [${found + 1}]:`);\n console.log(html.slice(start, end + 5));\n found++;\n }\n i = lower.indexOf(pat, i + pat.length);\n }\n if (found === 0) console.log(`--- ${name}: NOT FOUND`);\n }\n}\n\nawait showRows(\n \"https://index.minfin.com.ua/ua/markets/fuel/reg/zakarpatskaya/\",\n [\"UKRNAFTA\", \"Chipo\", \"Маркет\", \"БРСМ-Нафта\", \"ОККО\"],\n);\n\nawait showRows(\n \"https://index.minfin.com.ua/ua/markets/fuel/detail/\",\n [\"Marshal\", \"Авантаж 7\", \"KLO\", \"SOCAR\", \"UKRNAFTA\"],\n);\n","label",[137],"4e967187-bcc5-4825-b1c4-9bd6b539088f","main.ts","31b17a96-a0cd-11f1-bfba-1607ee4eb77e",1,["D",1787693858753],"interval","export default async function (_interval: Interval) {\n // placeholder, replaced by real 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* as cheerio from \"https://esm.sh/cheerio\";\n\nconst REGIONAL_URL = \"https://index.minfin.com.ua/ua/markets/fuel/reg/zakarpatskaya/\";\nconst DETAIL_URL = \"https://index.minfin.com.ua/ua/markets/fuel/detail/\";\n\n/** Networks whose price is read from the Zakarpatska regional page. */\nconst REGIONAL_NETWORKS = [\n \"UKRNAFTA\",\n \"WOG\",\n \"ОККО\",\n \"Маркет\",\n \"БРСМ-Нафта\",\n \"Parallel\",\n \"Chipo\",\n \"VST\",\n \"AMIC\",\n \"UPG\",\n];\n\n/** Networks whose price is uniform nationally, read from the detail page. */\nconst NATIONAL_NETWORKS = [\"Marshal\", \"Авантаж 7\", \"KLO\", \"SOCAR\"];\n\nfunction parsePrice(s: string): number | null {\n const m = s.replace(/[^0-9.,]/g, \"\").match(/(\\d+)[.,](\\d+)/);\n if (!m) return null;\n return parseFloat(`${m[1]}.${m[2]}`);\n}\n\n/**\n * minfin operator rows have 7 cells:\n * [0] name | [1] spacer | [2] А95+ | [3] А95 | [4] А92 | [5] ДП | [6] ГАЗ\n * Empty cells are present as `
`, so the ДП column is always index 5.\n */\nfunction parseDiesel(html: string, names: string[]): Record {\n const $ = cheerio.load(html);\n const out: Record = {};\n $(\"tr\").each((_, tr) => {\n const tds = $(tr).find(\"td\");\n if (tds.length < 6) return;\n const name = $(tds.eq(0)).text().trim();\n if (!names.includes(name)) return;\n const price = parsePrice($(tds.eq(5)).text());\n if (price != null) out[name] = price;\n });\n return out;\n}\n\nasync function fetchText(url: string): Promise {\n const res = await fetch(url, {\n headers: { \"User-Agent\": \"Mozilla/5.0 (speedex-diesel-agent)\" },\n });\n if (!res.ok) throw new Error(`Fetch failed ${res.status} for ${url}`);\n return await res.text();\n}\n\n/** Returns a map of network -> ДП price (₴/L) for all 14 tracked networks. */\nexport async function fetchDieselPrices(): Promise> {\n const [regionalHtml, detailHtml] = await Promise.all([\n fetchText(REGIONAL_URL),\n fetchText(DETAIL_URL),\n ]);\n const prices: Record = {\n ...parseDiesel(regionalHtml, REGIONAL_NETWORKS),\n ...parseDiesel(detailHtml, NATIONAL_NETWORKS),\n };\n if (Object.keys(prices).length < 14) {\n console.warn(`Parsed ${Object.keys(prices).length}/14 networks`, prices);\n }\n return prices;\n}\n",[],[155,191],"d543e7c7-961c-4459-b2e7-c7c6c968cbf6","message.ts","49de75c4-a0cd-11f1-8c59-1607ee4eb77e",6,["D",1787693899309],"import { displayDate } from \"./date.ts\";\n\nconst EPS = 0.005; // treat sub-cent differences as \"no change\"\n\nfunction fmtComma(n: number): string {\n return n.toFixed(2).replace(\".\", \",\");\n}\nfunction fmtDot(n: number): string {\n return n.toFixed(2);\n}\nfunction signed(n: number): string {\n return (n >= 0 ? \"+\" : \"\") + n.toFixed(2);\n}\n\nexport interface Entry {\n name: string;\n price: number;\n}\n\n/**\n * Compose the Telegram caption.\n * Prices in the per-network bullet lines use a comma decimal (XX,XX₴);\n * other figures use a dot decimal, matching the requested template.\n */\nexport function composeMessage(\n now: Date,\n current: Record,\n prev: Record,\n): string {\n const entries: Entry[] = Object.entries(current).map(([name, price]) => ({ name, price }));\n entries.sort((a, b) => a.price - b.price);\n const total = entries.length;\n\n const lines: string[] = [];\n lines.push(`🛢Дизель сьогодні | ${displayDate(now)}`);\n\n // Per-network lines, ascending by price.\n for (const e of entries) {\n const prior = prev[e.name];\n let arrow = \"\";\n if (prior !== undefined) {\n arrow = e.price > prior ? \"▲\" : e.price < prior ? \"▼\" : \"→\";\n }\n lines.push(`•${e.name}: ${fmtComma(e.price)}₴ ${arrow}`);\n }\n\n // Daily change summary.\n const changed: { name: string; diff: number; pct: number }[] = [];\n for (const e of entries) {\n const prior = prev[e.name];\n if (prior === undefined) continue;\n const diff = e.price - prior;\n if (Math.abs(diff) < EPS) continue;\n changed.push({ name: e.name, diff, pct: (diff / prior) * 100 });\n }\n const N = changed.length;\n const M = total - N;\n const changedStr = changed\n .map((c) => `${c.name} ${signed(c.diff)}₴ (${signed(c.pct)}%)`)\n .join(\", \");\n let changeLine = `Зміна за добу: рух у ${N} з ${total} мереж.`;\n if (changedStr) changeLine += ` ${changedStr}.`;\n changeLine += ` Решта ${M} без змін.`;\n lines.push(changeLine);\n\n // Spread between priciest and cheapest.\n const priciest = entries[entries.length - 1];\n const cheapest = entries[0];\n const diff = priciest.price - cheapest.price;\n const pctSpread = (diff / cheapest.price) * 100;\n const tank = Math.round(diff * 600);\n const monthly = Math.round(diff * 1424);\n const pctSave = (diff / priciest.price) * 100;\n lines.push(\n `Розрив між мережами: ${priciest.name} (${fmtDot(priciest.price)}₴) проти ${cheapest.name} (${fmtDot(cheapest.price)}₴) - різниця ${fmtDot(diff)}₴ (+${fmtDot(pctSpread)}%). На баку тягача (600л) це ${tank}₴. При 8 рейсах/міс Київ-Львів (1424л) на ${cheapest.name} економите ${monthly}₴/міс (-${fmtDot(pctSave)}%), обираючи найдешевшу мережу.`,\n );\n\n // Market average vs yesterday's average.\n const avg = entries.reduce((s, e) => s + e.price, 0) / total;\n let avgLine = `Середня по ринку: ${fmtDot(avg)}₴ (${total} мереж)`;\n const prevEntries = Object.entries(prev);\n if (prevEntries.length > 0) {\n const avgPrev = prevEntries.reduce((s, [, p]) => s + p, 0) / prevEntries.length;\n const d = avg - avgPrev;\n const pct = (d / avgPrev) * 100;\n avgLine += `, ${signed(d)}₴ (${signed(pct)}%) до вчорашньої`;\n }\n lines.push(avgLine + \".\");\n\n return lines.join(\"\\n\");\n}\n",[],[155,199],"19207b05-997c-4791-a34a-32e2079af0e5","db.ts","49d6cebe-a0cd-11f1-8c59-1607ee4eb77e",5,["D",1787693899265],"import { sqlite } from \"https://esm.town/v/std/sqlite/main.ts\";\nimport { dateKey } from \"./date.ts\";\n\nlet ready = false;\n\nasync function ensure() {\n if (ready) return;\n await sqlite.execute(`CREATE TABLE IF NOT EXISTS diesel_prices (\n date TEXT NOT NULL,\n network TEXT NOT NULL,\n price REAL NOT NULL,\n PRIMARY KEY (date, network)\n )`);\n ready = true;\n}\n\n/** Load the most recent stored day's prices strictly before `today`. */\nexport async function loadPrevPrices(today: Date): Promise> {\n await ensure();\n const dk = dateKey(today);\n const res = await sqlite.execute({\n sql: \"SELECT MAX(date) AS d FROM diesel_prices WHERE date < ?\",\n args: [dk],\n });\n const row = res.rows[0] as { d: string | null } | undefined;\n if (!row || !row.d) return {};\n const rows = await sqlite.execute({\n sql: \"SELECT network, price FROM diesel_prices WHERE date = ?\",\n args: [row.d],\n });\n const out: Record = {};\n for (const r of rows.rows as { network: string; price: number }[]) out[r.network] = r.price;\n return out;\n}\n\n/** Persist today's prices so the next run can compute daily changes. */\nexport async function saveTodayPrices(today: Date, prices: Record) {\n await ensure();\n const dk = dateKey(today);\n await sqlite.batch(\n Object.entries(prices).map(([network, price]) => ({\n sql: \"INSERT OR REPLACE INTO diesel_prices (date, network, price) VALUES (?, ?, ?)\",\n args: [dk, network, price],\n })),\n );\n}\n",[],[155,207],"b31eef4a-5dbf-4b35-9adb-235d477bab6f","date.ts","49b74e7c-a0cd-11f1-8c59-1607ee4eb77e",["D",1787693899039],"/** Kyiv-timezone date helpers (cron runs in UTC, so we derive the Kyiv date explicitly). */\n\nexport function kyivParts(d: Date = new Date()) {\n const fmt = new Intl.DateTimeFormat(\"en-CA\", {\n timeZone: \"Europe/Kyiv\",\n year: \"numeric\",\n month: \"2-digit\",\n day: \"2-digit\",\n });\n const parts = fmt.formatToParts(d);\n const get = (t: string) => parts.find((p) => p.type === t)!.value;\n return { yyyy: get(\"year\"), mm: get(\"month\"), dd: get(\"day\") };\n}\n\n/** ISO-ish key used to store/compare days in SQLite, e.g. \"2026-08-25\". */\nexport function dateKey(d: Date = new Date()): string {\n const p = kyivParts(d);\n return `${p.yyyy}-${p.mm}-${p.dd}`;\n}\n\n/** Display form DD.MM.YYYY used in the message header. */\nexport function displayDate(d: Date = new Date()): string {\n const p = kyivParts(d);\n return `${p.dd}.${p.mm}.${p.yyyy}`;\n}\n",[],[155,215],["D",1787693899039],[172,173,174,175,176],[155],["D",1787693858683],{"_102":101,"_110":106},{"_102":101,"_103":104,"_105":106,"_19":60,"_107":108,"_109":30},{"_13":91,"_37":92,"_48":47,"_93":49,"_94":-5,"_95":-5,"_96":-5,"_97":-5,"_98":-5,"_99":50,"_100":101},"ctx",{"_84":-5,"_130":261,"_262":263,"_264":265,"_266":30,"_267":30,"_268":30,"_269":64,"_270":-5,"_271":-7,"_272":-7,"_273":68,"_274":30,"_275":30,"_276":-5,"_277":30,"_278":30,"_279":30,"_280":-5},"ENV",{"_232":233,"_234":235,"_236":92,"_237":238,"_239":240,"_241":242,"_243":244,"_245":246,"_247":248,"_249":250,"_251":252,"_253":254,"_255":256,"_257":258,"_259":260},"REACT_APP_SENTRY_DSN","https://586020d86f05489db63a554690acf1e9@o1398359.ingest.sentry.io/6724499","RENDER_GIT_COMMIT","e87eb04e707cf64e7e532c8e8ec395f209e17f15","RENDER_GIT_BRANCH","POSTHOG_API_TOKEN","phc_nmoyuAkStEZuUp69rYlg1DZgrIt19Gx0Y4Hwf8tGgJP","POSTHOG_API_HOST","https://wart.val.town","WEB_API_TEMPLATE","https://{val}.web.val.run","APP_URL","https://www.val.town","MODULE_URL","https://esm.town","VANITY_WEB_API_TEMPLATE","https://{label}.val.run/","DENOLS_URL","https://lsp.val.town","NODE_ENV","production","CLOUDFLARE_TURNSTILE_SITE_KEY","0x4AAAAAACtaIZJH7s9rBMZ6","GOOGLE_CLIENT_ID","875989696899-jtsqkhlbdv5jrlsk8631p7ipjg3c6o62.apps.googleusercontent.com","STRIPE_PUBLISHABLE_KEY","pk_live_51N2zvWEpZTTLipIkVEwXrUG9AT0yeOOEYxszarZT1jpsZV58Ly6wlg3SltZpHN26CUalOBmUSY7adQRQiSkCZz2500qSXNkf8Y","API_URL","https://api.val.town",[],"preferencesKeybindings","default","preferencesTheme","light","preferencesFixers","preferencesCopilot","preferencesSelectionAi","preferencesCloseBrackets","preferencesChatPanelState","preferencesDprint","preferencesDenofmt","notificationCount","flagDenols","isBusinessOrgMember","businessOrgHandle","isBusinessOrgAdmin","isHigherTownieTier","navCollapsed","currentOrgId"]

Diff · v7