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scrap.js
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scrap.js
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var request = require("request");
var cheerio = require("cheerio");
var csv = require("ya-csv");
var csvtojson = require("csvtojson");
var fs = require("fs");
var outputPath = "app/data/";
var monasteriesPath = outputPath + "monasteries";
var ordersPath = outputPath + "orders";
var monasteriesW = csv.createCsvFileWriter(monasteriesPath + ".csv", {
flags: ""
});
var ordersW = csv.createCsvFileWriter(ordersPath + ".csv", { flags: "" });
const url =
"https://fr.wikipedia.org/wiki/Liste_d%27abbayes_cisterciennes_de_France";
request(url, function(err, resp, html) {
if (!err) {
const $ = cheerio.load(html);
const monasteriesCols = [
"id",
"name",
"link",
"x",
"y",
"gender",
"commune",
"département",
"diocèse"
];
const ordersCols = ["monastery_id", "name", "from", "to"];
monasteriesW.writeRecord(monasteriesCols);
ordersW.writeRecord(ordersCols);
$("table.wikitable.sortable tbody")
.find("tr")
.map((ri, row) => {
// if (ri < 10) {
// row
let gender = "double";
const color = $(row).css("background");
if (color) {
if (color.substr(1, 2) === "FF") {
gender = "nuns";
} else if (color.substr(5, 2) === "FF") {
gender = "monks";
}
}
const monasteryRow = [ri];
const columns = $(row).find("td");
columns.map((ci, column) => {
// name and link
if (ci === 1) {
// name
monasteryRow.push(
$(column)
.find("a")
.text()
);
// link
monasteryRow.push(
"https://fr.wikipedia.org" +
$(column)
.find("a")
.attr("href")
);
} else if (ci === 2) {
// lat lng
parseFloat(
monasteryRow.push(
$(column)
.find("a")
.data("lon")
),
10
);
parseFloat(
monasteryRow.push(
$(column)
.find("a")
.data("lat")
),
10
);
// regions
} else if (ci === 3 || ci === 4 || ci === 5) {
monasteryRow.push(
$(column)
.find("a")
.text()
);
}
});
const ordersHtml = $(columns[6]).html();
const yearsFromHtml = $(columns[7]).html();
const yearsToHtml = $(columns[8]).html();
if (ordersHtml && yearsFromHtml && yearsToHtml) {
const orders = splitColumn(ordersHtml, $);
const yearsFrom = splitColumn(yearsFromHtml, $);
const yearsTo = splitColumn(yearsToHtml, $);
// cleaning invalid inputs
if (orders.length < yearsFrom.length) {
orders.push(orders[orders.length - 1]);
}
if (orders.length > yearsFrom.length) {
yearsFrom.push(yearsFrom[yearsFrom.length - 1]);
yearsTo.push(yearsTo[yearsTo.length - 1]);
}
orders.map((order, oi) => {
ordersW.writeRecord([ri, orders[oi], yearsFrom[oi], yearsTo[oi]]);
});
}
if (monasteryRow.length > 5) {
monasteryRow.splice(5, 0, gender);
monasteriesW.writeRecord(monasteryRow);
}
// }
});
}
monasteriesW.writeStream.end();
ordersW.writeStream.end();
csvtojson()
.fromFile(ordersPath + ".csv")
.then(jsonRes => {
fs.writeFileSync(ordersPath + ".json", JSON.stringify(jsonRes));
});
csvtojson()
.fromFile(monasteriesPath + ".csv")
.then(jsonRes => {
fs.writeFileSync(monasteriesPath + ".json", JSON.stringify(jsonRes));
});
});
var splitColumn = (html, $) => {
const htmlArray = html.split("<br>");
return htmlArray.map(line => {
const wrapped = "<span>" + line + "</span>";
return $(wrapped).text();
});
};