92 lines
2.3 KiB
JavaScript
92 lines
2.3 KiB
JavaScript
/* Imports */
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import fs from "fs";
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import axios from "axios";
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/* Definitions */
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const VERBOSE = true;
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let print = (message) => (VERBOSE ? console.log(message) : null);
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let graphQLendpoint = "https://metaforecast.org/api/graphql";
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let buildQuery = (endCursor) => `{
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questions(first: 1000 ${!!endCursor ? `after: "${endCursor}"` : ""}) {
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edges {
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node {
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id
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title
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url
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description
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options {
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name
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probability
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}
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qualityIndicators {
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numForecasts
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stars
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}
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timestamp
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}
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}
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pageInfo {
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endCursor
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startCursor
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}
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}
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}
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`;
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/* Support functions */
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let getSomeMetaforecastPredictions = async (query) => {
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let response = await axios({
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url: graphQLendpoint,
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method: "POST",
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headers: { "Content-Type": "application/json" },
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data: JSON.stringify({ query: query }),
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})
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.then((res) => res.data)
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.then((res) => res.data); // not a typo
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return response;
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};
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let save = (questions) => {
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fs.writeFileSync("forecasts.json", JSON.stringify(questions, null, 4));
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let tsvHeaders = "title\tplatform\tdate\tforecast\n";
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let tsvRows = questions
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.map(
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(question) =>
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`${question.title}\t${question.platform}\t${
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question.timestamp
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}\t${JSON.stringify(question.options)}`
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)
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.join("\n");
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let tsvFile = tsvHeaders + tsvRows;
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print("Saving results to results.tsv");
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fs.writeFileSync("forecasts.tsv", tsvFile);
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};
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let getNodes = (questions) => {
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let edges = questions.edges;
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let nodes = edges.map((edge) => edge.node);
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return nodes;
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};
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// main
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let getAllMetaforecastPredictions = async () => {
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print("Fetching forecasts");
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let results = [];
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let firstQuery = await getSomeMetaforecastPredictions(buildQuery());
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results.push(...getNodes(firstQuery.questions));
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let endCursor = firstQuery.questions.pageInfo.endCursor;
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while (endCursor) {
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print("Cursor: " + endCursor);
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let queryResults = await getSomeMetaforecastPredictions(
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buildQuery(endCursor)
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);
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let nodes = getNodes(queryResults.questions);
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results.push(...nodes);
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endCursor = queryResults.questions.pageInfo.endCursor;
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}
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//results = results.map((result) => result.node);
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save(results);
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return results;
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};
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getAllMetaforecastPredictions();
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