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fix: Giving profile pic as Placehoder when thumbnail not present #9

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fix: Giving profile pic as Placehoder when thumbnail not present #9

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5 changes: 2 additions & 3 deletions index.js
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Original file line number Diff line number Diff line change
Expand Up @@ -11,14 +11,13 @@ http.createServer(async (req, res) => {
const timestamp = Math.floor(Date.now() / 1000);
let articles = [];


if (!username) {
res.write(JSON.stringify({ error: 'Add your medium username as query string' }));
res.end();

return;
}
const responseArticles = await userArticles(`${username}?t=${timestamp}`);
const {articles: responseArticles, profileImgUrl} = await userArticles(`${username}?t=${timestamp}`);

if (!responseArticles || responseArticles.length === 0) {

Expand All @@ -44,7 +43,7 @@ http.createServer(async (req, res) => {
let result = `<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" width="390px" version="1.2" height="${articles.length * 120}">`;

await asyncForEach(articles, async (article, index) => {
const articleCard = await ArticleCard(article, colors);
const articleCard = await ArticleCard(article, colors,profileImgUrl);
result += `<g transform="translate(0, ${index * 120})">${articleCard}</g>`;
});

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11 changes: 8 additions & 3 deletions src/ArticleCard.js
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Original file line number Diff line number Diff line change
@@ -1,7 +1,12 @@
const { readingTimeCalc, imgToDataURL } = require('./utils');

const ArticleCard = async (data, colors) => {
const thumbnailBase64 = await imgToDataURL(data.thumbnail);
function trimText(text, threshold) {
if (text.length <= threshold) return text;
return text.substr(0, threshold).concat("...");
}

const ArticleCard = async (data, colors, placeHolderImgUrl) => {
const thumbnailBase64 = await imgToDataURL(data.thumbnail,placeHolderImgUrl);
const articleDate = new Date(data.pubDate);
const readingTime = readingTimeCalc(data.content);
const re = /[0-9A-Fa-f]{6}/g; //hex code format
Expand Down Expand Up @@ -31,7 +36,7 @@ const ArticleCard = async (data, colors) => {

<g fill="#000000" fill-opacity="1" stroke="#000000" stroke-opacity="1" stroke-width="1" stroke-linecap="square" stroke-linejoin="bevel" transform="matrix(1,0,0,1,0,0)">

<text fill="${hexText ? hexText : colors.text}" fill-opacity="1" stroke="none" xml:space="preserve" x="110" y="20" font-family="Arial" font-size="15" font-weight="700" font-style="normal" >${data.title.replace(/&(?!#?[a-z0-9]+;)/g, '&amp;')}</text>
<text fill="${hexText ? hexText : colors.text}" fill-opacity="1" stroke="none" xml:space="preserve" x="110" y="20" font-family="Arial" font-size="15" font-weight="700" font-style="normal">${trimText(data.title.replace(/&(?!#?[a-z0-9]+;)/g, '&amp;'),33)}</text>
</g>

<g fill="#000000" fill-opacity="1" stroke="#000000" stroke-opacity="1" stroke-width="1" stroke-linecap="square" stroke-linejoin="bevel" transform="matrix(1,0,0,1,0,0)">
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3 changes: 2 additions & 1 deletion src/mediumAPI.js
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Original file line number Diff line number Diff line change
Expand Up @@ -7,6 +7,7 @@ const userArticles = async (username) => {

const feed = await parser.parseURL(`https://medium.com/feed/@${username}`);
let result = [];
const imgUrl = feed.image.url;

feed.items.forEach((item) => {
const imageObj = imageRegex.exec(item['content:encoded']);
Expand All @@ -18,7 +19,7 @@ const userArticles = async (username) => {
result = [...result, item];
});

return result;
return {profileImgUrl: imgUrl, articles: result};

};

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17 changes: 15 additions & 2 deletions src/utils.js
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Original file line number Diff line number Diff line change
Expand Up @@ -31,8 +31,21 @@ const readingTimeCalc = (text) => {
return `${displayed} min read`;
}

const imgToDataURL = url => {
return axios.get(url, { responseType: 'arraybuffer' }).then(({ data }) => sharp(data).resize(200).toBuffer()).then(data => `data:image/png;base64,${data.toString('base64')}`);
const imgToDataURL = async (url,placeHolder) => {
async function processImage(url) {
let {data} = await axios.get(url, { responseType: 'arraybuffer' });
let sharpedData = await sharp(data).resize(200).toBuffer();
return `data:image/png;base64,${sharpedData.toString('base64')}`
}
try{
return await processImage(url);
}catch(e){
try{
return await processImage(placeHolder);
}catch(e){
return await processImage("https://lippianfamilydentistry.net/wp-content/uploads/2015/11/user-default.png");
}
}
};

const asyncForEach = async (array, callback) => {
Expand Down