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index.js
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/**
* commented pieces of code were used
* at different phases in pulling data for
* different purposes. They aren't useless!!!
*/
const Nightmare = require("nightmare");
const db = require("./db");
// async function pullAllLinksonPage(page) {
// let nightmare = new Nightmare({ show: true });
// try {
// const result = await nightmare
// .goto(
// page == 1
// ? `https://www.affirmation-train.org/category/affirmation`
// : `https://www.affirmation-train.org/category/affirmation/page/${page}/`
// )
// .wait(".more-link")
// .evaluate(() => {
// const hrefs = [...document.querySelectorAll(".more-link")].map(
// element => element.href
// );
// // const results = Promise.all(promises);
// return hrefs;
// })
// .end();
// return result;
// } catch (e) {
// console.error(e);
// return undefined;
// }
// }
// function gatherLinks() {
// pullAllLinksonPage(i).then(results => {
// links.push(...results);
// db.get("links")
// .push(...results)
// .write();
// console.log(links);
// i++;
// if (i < 76) {
// gatherLinks();
// }
// });
// }
// gatherLinks();
async function pullContentFromPage(page) {
let nightmare = new Nightmare();
try {
const result = await nightmare
.goto(page)
.wait(".entry")
.evaluate(() => {
return [...document.querySelector(".entry").children].map(element => {
if (
element.constructor.name == "HTMLParagraphElement" &&
element.innerText
) {
return element.innerText;
}
});
})
.end();
return result;
} catch (e) {
console.error(e);
return undefined;
}
}
// let i = 731;
// links = db.get("links").value();
function fillPostsWithContent() {
// check for post within db without content key
const withoutContent = db
.get("posts")
.find(function(p) {
return !p.content;
})
.value();
if (withoutContent) {
console.log(withoutContent);
//terminating condition for recursion
//pull content from link and update entry in db then run function again
pullContentFromPage(withoutContent.link).then(content => {
db.get("posts")
.find({ link: withoutContent.link })
.assign({ link: withoutContent.link, content })
.write();
fillPostsWithContent();
});
}
}
fillPostsWithContent();
// function fetchPosts() {
// pullContentFromPage(links[i]).then(content => {
// db.get("posts")
// .push({ link: links[i], content })
// .write();
// i++;
// if (i < links.length) {
// fetchPosts();
// }
// });
// }
// fetchPosts();
// {
// return await nightmare
// .goto(element.href)
// .wait(".entry")
// .wait(2000)
// .evaluate(() => {
// return [...document.querySelector(".entry").children].map(
// element => {
// if (
// element.constructor.name == "HTMLParagraphElement" &&
// element.innerText
// ) {
// return element.innerText;
// }
// }
// );
// });
// }