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{ fetchText } from \"https://esm.town/v/stevekrouse/fetchText?v=6\";\nimport { OpenAI } from \"https://esm.town/v/std/openai\";\nimport type { EventData } from \"./event.ts\";\n\n/**\n * Parse an event webpage into structured data as follows:\n *\n * - [?] Use r.jina.ai to convert the webpage to clean markdown\n * - Supply the markdown to OpenAI using Val Town's client\n * - Prompt LLM for structured output (see EVENT_SCHEMA below)\n */\nexport class EventParser {\n static async parse(url: string): Promise {\n if (!url?.length) {\n throw new Error(\"No URL supplied\");\n }\n\n const markdown = await fetchText(`https://r.jina.ai/${url}`);\n // const markdown = await fetchText(url);\n\n const openai = new OpenAI();\n\n const completion = await openai.chat.completions.create({\n model: \"gpt-5-nano\",\n response_format: {\n type: \"json_schema\",\n json_schema: {\n name: \"event\",\n description: \"Event metadata, suitable for adding to a calendar\",\n schema: EVENT_SCHEMA,\n },\n },\n messages: [\n {\n role: \"system\",\n content: `\nYou are a helpful calendar assistant.\n\nYour task is to read a markdown version of an event webpage, and extract structured info.\n\nFor reference, today's date is {(new Date()).toLocaleDateString('en-CA')}\n\nWhen the user supplies the event info, return a JSON object that conforms to the supplied schema.\n `,\n },\n { role: \"user\", content: markdown },\n ],\n });\n\n const content = completion.choices[0].message.content;\n const data = JSON.parse(content);\n\n return data;\n }\n}\n\nconst EVENT_SCHEMA = {\n \"type\": \"object\",\n \"properties\": {\n \"title\": {\n \"type\": \"string\",\n \"description\": \"The title of the event\",\n },\n \"venue\": {\n \"type\": \"string\",\n \"description\": \"The location of the event, name only\",\n },\n \"startDate\": {\n \"type\": \"string\",\n \"format\": \"date-time\",\n \"description\": \"The start date of the event in ISO8601 date-only format\",\n },\n \"endDate\": {\n \"type\": \"string\",\n \"format\": \"date-time\",\n \"description\":\n \"The end date of the event in ISO8601 date-only format (optional)\",\n },\n \"url\": {\n \"type\": \"string\",\n \"format\": \"uri\",\n \"description\": \"The web page for the event\",\n },\n \"description\": {\n \"type\": \"string\",\n \"description\":\n \"A summary of the event, in 25 words or less, single paragraph.\",\n \"maxLength\": 200,\n },\n \"category\": {\n \"type\": \"string\",\n \"enum\": [\"music\", \"art\", \"lecture\", \"other\"],\n \"description\": \"The category of the event\",\n },\n },\n \"required\": [\"title\", \"venue\", \"startDate\", \"url\", \"description\"],\n \"additionalProperties\": false,\n};","import { fetchText } from \"https://esm.town/v/stevekrouse/fetchText?v=6\";\nimport { OpenAI } from \"https://esm.town/v/std/openai\";\nimport type { EventData } from \"./event.ts\";\n\n/**\n * Parse an event webpage into structured data as follows:\n *\n * - Use r.jina.ai to convert the webpage to clean markdown\n * - Supply the markdown to OpenAI using Val Town's client\n * - Prompt LLM for structured output (see EVENT_SCHEMA below)\n */\nexport class EventParser {\n static async parse(url: string): Promise {\n if (!url?.length) {\n throw new Error(\"No URL supplied\");\n }\n\n const markdown = await fetchText(`https://r.jina.ai/${url}`);\n\n const openai = new OpenAI();\n\n const completion = await openai.chat.completions.create({\n model: \"gpt-5-nano\",\n response_format: {\n type: \"json_schema\",\n json_schema: {\n name: \"event\",\n description: \"Event metadata, suitable for adding to a calendar\",\n schema: EVENT_SCHEMA,\n },\n },\n messages: [\n {\n role: \"system\",\n content: `\nYou are a helpful calendar assistant.\n\nYour task is to read a markdown version of an event webpage, and extract structured info.\n\nFor reference, today's date is {(new Date()).toLocaleDateString('en-CA')}\n\nWhen the user supplies the event info, return a JSON object that conforms to the supplied schema.\n `,\n },\n { role: \"user\", content: markdown },\n ],\n });\n\n const content = completion.choices[0].message.content;\n const data = JSON.parse(content);\n\n return data;\n }\n}\n\nconst EVENT_SCHEMA = {\n \"type\": \"object\",\n \"properties\": {\n \"title\": {\n \"type\": \"string\",\n \"description\": \"The title of the event\",\n },\n \"venue\": {\n \"type\": \"string\",\n \"description\": \"The location of the event, name only\",\n },\n \"startDate\": {\n \"type\": \"string\",\n \"format\": \"date-time\",\n \"description\": \"The start date of the event in ISO8601 date-only format\",\n },\n \"endDate\": {\n \"type\": \"string\",\n \"format\": \"date-time\",\n \"description\":\n \"The end date of the event in ISO8601 date-only format (optional)\",\n },\n \"url\": {\n \"type\": \"string\",\n \"format\": \"uri\",\n \"description\": \"The web page for the event\",\n },\n \"description\": {\n \"type\": \"string\",\n \"description\":\n \"A summary of the event, in 25 words or less, single paragraph.\",\n \"maxLength\": 200,\n },\n \"category\": {\n \"type\": \"string\",\n \"enum\": [\"music\", \"art\", \"lecture\", \"other\"],\n \"description\": \"The category of the event\",\n },\n },\n \"required\": [\"title\", \"venue\", \"startDate\", \"url\", \"description\"],\n \"additionalProperties\": false,\n};","createdAt",["D",1757336706488],"branchVersion","branchId","4cbd3f86-8b94-11f0-b01a-0224a6c84d84","id","4cbcd1ae-8b94-11f0-b01a-0224a6c84d84","eventsCalendar",["D",1757212950730],"deletedAt","legacyEnvVars","privacy","public","httpPrivacy","description","Extract calendar events from webpages","imageUrl","04c94255-9480-4d0c-b730-c99ed982472a","pinnedFileId","366aba2a-8c10-11f0-95d1-0224a6c84d84","pinPreview",true,"pinMigrated","screenshotVersion","likeCount",0,"orgId","8b7cc5d0-214c-4bc0-a329-3308ef74efe2","tursoName","tursoHostname","tursoMeasuredAt","pinned","userPerm","r","valPerm","blobPerm","rw","emailPerm","sqlitePerm","projectPerm","telemetryPerm","user",{"_98":97,"_105":101},"org",{"_98":97,"_99":-5,"_100":101,"_18":56,"_102":103,"_104":25},"branch",{"_13":87,"_32":88,"_44":43,"_89":45,"_90":-5,"_91":-5,"_92":-5,"_93":-5,"_94":-5,"_95":46,"_96":97},"isOwned",425,"main","projectId","forkedBranchId","forkedBranchVersion","forkedProjectPrivacy","forkedProjectId","forkedProjectOrgId","projectName","userHandle","roop","handle","displayName","avatar","https://avatars.githubusercontent.com/u/140521?v=4","tier","free","canRestrictVals","profileImageUrl","branchName","","adoptOrgId",{"_44":45,"_32":46,"_39":233,"_48":-5,"_49":25,"_50":51,"_52":51,"_53":54,"_55":-5,"_18":56,"_57":58,"_59":60,"_61":60,"_62":-5,"_63":64,"_65":66,"_67":-5,"_68":-5,"_69":-5,"_70":-5,"_71":72,"_73":72,"_74":75,"_76":75,"_77":75,"_78":72,"_79":72,"_80":234,"_82":235,"_84":236,"_86":25},"tree",[187,191,192,193,194],"files",[187,188,189,190,191,192,193,194],"counts",{"_176":64,"_177":173,"_178":64,"_179":180,"_181":182},"contents",[128,129,130,131,132],"upstreamProject","upstreamBranch","emptyEnvVars","flags",[],"hasHttpFiles","grants","orgs","customDomains",{},{"_44":168,"_32":169,"_30":170,"_136":-5,"_42":43,"_41":171,"_138":60,"_39":172,"_13":173,"_34":174,"_36":-5,"_24":25,"_142":-5,"_27":175},{"_44":160,"_32":161,"_30":162,"_136":-5,"_42":43,"_41":163,"_138":25,"_39":164,"_13":165,"_34":20,"_36":166,"_24":25,"_142":-5,"_27":167},{"_44":152,"_32":153,"_30":154,"_136":-5,"_42":43,"_41":155,"_138":25,"_39":156,"_13":157,"_34":149,"_36":158,"_24":25,"_142":-5,"_27":159},{"_44":144,"_32":145,"_30":58,"_136":-5,"_42":43,"_41":146,"_138":25,"_39":147,"_13":148,"_34":149,"_36":150,"_24":25,"_142":-5,"_27":151},{"_44":133,"_32":134,"_30":135,"_136":-5,"_42":43,"_41":137,"_138":60,"_39":139,"_13":140,"_34":35,"_36":141,"_24":25,"_142":-5,"_27":143},"7dca4e50-8c18-11f0-ac7d-0224a6c84d84","migration.ts","365334f8-8c11-11f0-a545-0224a6c84d84","parentId",227,"latest",["D",1757269726587],8,"import { sqlite } from \"https://esm.town/v/std/sqlite\";\n\nif (false) {\n await sqlite.execute(`\n drop table calendar_parsing_logs;\n`);\n await sqlite.execute(`\n create table calendar_parsing_logs (\n id INTEGER PRIMARY KEY AUTOINCREMENT,\n created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,\n url TEXT NOT NULL,\n data TEXT,\n response TEXT,\n status TEXT\n );\n`);\n}","label",[134],"649bf2d0-8c18-11f0-af8c-0224a6c84d84","logs.tsx",225,["D",1757269684341],36,"http","/** @jsxImportSource https://esm.sh/react */\nimport { renderToString } from \"npm:react-dom/server\";\nimport { sqlite } from \"https://esm.town/v/std/sqlite\";\n\nconst Row = (props) => {\n const { row } = props;\n const [id, created_at, url, data, response, status] = row;\n return (\n \n {id}\n {created_at}\n {url}\n {data}\n {response}\n {status}\n \n );\n};\n\nexport const dashboard = async () => {\n const data = await sqlite.execute(`select * from calendar_parsing_logs`);\n\n const styles = `\n table tr { vertical-align: top; }\n table th, table td { padding: 0.25em; }\n table tbody tr:nth-child(odd) { background: #fafafa; }\n table tbody tr:nth-child(even) { background: #f2f2f2; }\n `;\n\n return new Response(\n renderToString(\n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n {data.rows.map((row) => )}\n \n

ID	Created at	URL	Data	Response	Status

\n \n ,\n ),\n { headers: { \"Content-Type\": \"text/html\" } },\n );\n};",[145],"5b098ab0-8cb4-11f0-9581-0224a6c84d84","endpoint.ts","4cbff0be-8b94-11f0-b01a-0224a6c84d84",239,["D",1757336669771],93,"import { Event } from \"./lib/event.ts\";\nimport process from \"node:process\";\nimport { sqlite } from \"https://esm.town/v/std/sqlite\";\nimport { pick } from \"npm:lodash-es@4.17.21\";\n\n/*\nUse this bookmarklet to send a request to this endpoint:\n\njavascript:(function() { var HOST = 'https://extract-event-data.val.run'; var API_TOKEN = ''; const currentUrl = encodeURIComponent(window.location.href); const requestUrl = `${HOST}/?url=${currentUrl}&token=${API_TOKEN}`; console.log(requestUrl); fetch(requestUrl).catch(err => console.error(\"Bookmarklet request failed:\", err)) })();\n*/\n\nexport default async function (req: Request) {\n const params = new URL(req.url).searchParams;\n\n // validate token\n const apiToken = params.get(\"token\");\n if (apiToken !== process.env.API_TOKEN) {\n return Response.json({ error: \"Unauthorized\" }, { status: 401 });\n }\n\n // prepare a log entry for the result\n const result = {\n url: \"\",\n data: \"\",\n response: \"\",\n status: \"\",\n };\n\n // validate url\n const requestedUrl = params.get(\"url\");\n result.url = requestedUrl;\n\n if (!requestedUrl?.length) {\n result.status = \"400\";\n return Response.json({ error: \"Missing URL\" }, { status: 400 });\n }\n\n if (!URL.canParse(requestedUrl)) {\n result.status = \"422\";\n return Response.json({ error: `Invalid URL: ${requestedUrl}` }, {\n status: 422,\n });\n }\n\n try {\n // parse the event data\n const event = await Event.fromURL(requestedUrl);\n result.data = JSON.stringify(event.data);\n\n // insert the event into the notion db\n const notionResponse = await event.insert();\n result.status = \"201\";\n result.response = JSON.stringify(\n pick(notionResponse, [\"id\", \"created_time\", \"url\", \"public_url\"]),\n );\n\n return Response.json(result);\n } catch (error) {\n return Response.json(error);\n } finally {\n // log the result in sqlite `calendar_parsing_logs` table\n await sqlite.execute({\n sql: `insert into calendar_parsing_logs (url, data, response, status)\nvalues (:url, :data, :response, :status)`,\n args: result,\n });\n }\n}",[153],"2f7db8ee-8cb4-11f0-9bc6-0224a6c84d84","README.md","ce5b0e4a-8cb3-11f0-9d49-0224a6c84d84",238,["D",1757336596709],3,"# eventsCalendar\n\nFor a while I have been using a personal Notion account to track interesting\nart/music/etc events that are upcoming in NYC.\n\nI grew tired of manually entering the time/place/other info into Notion\nmanually. So I made this Val to serve as the backend for a bookmarklet -- now I\nhave one-click ability to munge an arbitrary event webpage into structured data,\nand then into my Notion db.",[161],"8466b9c0-8ba9-11f0-893f-0224a6c84d84","lib","82ddf258-8ba9-11f0-893f-0224a6c84d84",108,["D",1757222063541],1,"directory",[169],"pulls","branches","forks","envVars",{"_183":185,"_186":64},"connections",{"_183":64,"_184":64},"count","unfilledCount",4,"emptyCount",{"_44":168,"_32":169,"_30":170,"_136":-5,"_42":43,"_41":171,"_138":60,"_39":230,"_13":173,"_34":174,"_36":-5,"_24":25,"_142":-5,"_196":231,"_27":232},{"_44":222,"_32":223,"_30":224,"_136":170,"_42":43,"_41":225,"_138":60,"_39":226,"_13":140,"_34":35,"_36":227,"_24":25,"_142":-5,"_196":228,"_27":229},{"_44":217,"_32":33,"_30":31,"_136":170,"_42":43,"_41":14,"_138":25,"_39":218,"_13":219,"_34":35,"_36":38,"_24":25,"_142":-5,"_196":220,"_27":221},{"_44":208,"_32":209,"_30":210,"_136":170,"_42":43,"_41":211,"_138":60,"_39":212,"_13":213,"_34":35,"_36":214,"_24":25,"_142":-5,"_196":215,"_27":216},{"_44":160,"_32":161,"_30":162,"_136":-5,"_42":43,"_41":163,"_138":25,"_39":205,"_13":165,"_34":20,"_36":166,"_24":25,"_142":-5,"_196":206,"_27":207},{"_44":152,"_32":153,"_30":154,"_136":-5,"_42":43,"_41":155,"_138":25,"_39":202,"_13":157,"_34":149,"_36":158,"_24":25,"_142":-5,"_196":203,"_27":204},{"_44":144,"_32":145,"_30":58,"_136":-5,"_42":43,"_41":146,"_138":25,"_39":199,"_13":148,"_34":149,"_36":150,"_24":25,"_142":-5,"_196":200,"_27":201},{"_44":133,"_32":134,"_30":135,"_136":-5,"_42":43,"_41":137,"_138":60,"_39":195,"_13":140,"_34":35,"_36":141,"_24":25,"_142":-5,"_196":197,"_27":198},["D",1757269726587],"children",[],[134],["D",1757269684341],[],[145],["D",1757336669771],[],[153],["D",1757336596709],[],[161],"9c7947d0-8ba9-11f0-b4f8-0224a6c84d84","event.ts","4371e76e-8b9f-11f0-a6f1-0224a6c84d84",112,["D",1757222103930],34,"import { EventParser } from \"./event-parser.ts\";\nimport { EventInserter } from \"./event-inserter.ts\";\n\n/**\n * Shape of the event data that will be parsed, passed around, and inserted into Notion\n */\nexport type EventData = {\n /** The title of the event */\n title: string;\n\n /** The location of the event, name only */\n venue: string;\n\n /** The start date of the event in ISO8601 format */\n startDate: string;\n\n /** The end date of the event in ISO8601 format, if present */\n endDate?: string;\n\n /** The web page for the event */\n url: string;\n\n /** A summary of the event, in 25 words or less */\n description: string;\n\n /** The category of the event */\n category: \"music\" | \"art\" | \"lecture\" | \"other\" | \"unknown\";\n};\n\n/**\n * Event abstraction, which delegates to others for parsing and inserting event data\n */\nexport class Event {\n data: EventData;\n\n constructor(data: Partial = {}) {\n this.data = {\n title: data.title ?? \"Unknown\",\n venue: data.venue ?? \"Unknown\",\n startDate: data.startDate ?? new Date().toISOString(),\n endDate: data.endDate,\n url: data.url ?? \"https://example.com\",\n description: data.description ?? \"No description available.\",\n category: data.category ?? \"unknown\",\n };\n }\n\n async insert() {\n const response = await EventInserter.insert(this.data);\n return response;\n }\n\n static fromJSON(json: string): Event {\n const data = JSON.parse(json);\n return new Event(data);\n }\n\n static async fromURL(url: string): Promise {\n const data = await EventParser.parse(url);\n return new Event(data);\n }\n}",[],[169,209],"70ec3af8-8cb4-11f0-9581-0224a6c84d84",["D",1757336706488],22,[],[169,33],"9db80a96-8ba9-11f0-8d55-0224a6c84d84","event-inserter.ts","2be48cb8-8ba5-11f0-ade2-0224a6c84d84",113,["D",1757222106013],"import { Client } from \"npm:@notionhq/client\";\nimport process from \"node:process\";\nimport { EventData } from \"./event.ts\";\n\nexport class EventInserter {\n static async insert(event: EventData) {\n const notion = new Client({ auth: process.env.NOTION_KEY });\n\n const response = await notion.pages.create({\n parent: {\n type: \"data_source_id\",\n data_source_id: process.env.NOTION_DATA_SOURCE_ID,\n },\n properties: {\n Name: {\n title: [\n {\n text: {\n content: event.title,\n },\n },\n ],\n },\n URL: {\n url: event.url,\n },\n Date: {\n date: {\n start: event.startDate,\n end: event.endDate,\n },\n },\n Notes: {\n rich_text: [\n {\n text: {\n content: event.description,\n },\n },\n ],\n },\n Category: {\n select: {\n name: event.category,\n },\n },\n },\n });\n\n return response;\n }\n}",[],[169,223],["D",1757222063541],[188,189,190],[169],["D",1757212950730],{"_98":97,"_105":101},{"_98":97,"_99":-5,"_100":101,"_18":56,"_102":103,"_104":25},{"_13":87,"_32":88,"_44":43,"_89":45,"_90":-5,"_91":-5,"_92":-5,"_93":-5,"_94":-5,"_95":46,"_96":97},"ctx",{"_80":-5,"_125":270,"_271":272,"_273":274,"_275":25,"_276":25,"_277":25,"_278":60,"_279":-5,"_280":-7,"_281":-7,"_282":64,"_283":25,"_284":25,"_285":-5,"_286":25,"_287":25,"_288":25,"_289":-5},"ENV",{"_241":242,"_243":244,"_245":88,"_246":247,"_248":249,"_250":251,"_252":253,"_254":255,"_256":257,"_258":259,"_260":261,"_262":263,"_264":265,"_266":267,"_268":269},"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"]

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