POST to GET only | accept: application/json but HTML by default
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parent
d30c445868
commit
a43611f664
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@ -1,4 +1,5 @@
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/node_modules
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/package-lock.json
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/dist
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*.js
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*.js
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types/request\.d\.ts
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@ -0,0 +1,6 @@
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{
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"carrefour": {
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"app_id": "1e70cf82-6062-4067-8b6c-e5f34c0643b7",
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"app_secret": "eO8cF7qL5hX2wG0bT5hY6aV2kM7oE8aT2hT4iE8iP5aK3aT4pH"
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}
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}
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67
src/mixer.ts
67
src/mixer.ts
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@ -27,18 +27,28 @@ export default class Mixer {
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async http_handler(req: IncomingMessage, res: ServerResponse){
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let urlObj : UrlWithParsedQuery = parseURL(req.url,true)
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printf('\n -- new client --\n')
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let urlObj : UrlWithParsedQuery = parseURL(req.url, true)
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// reject invalid requests
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if( req.method != 'POST' ) return Mixer.http_error(res, 'only POST method allowed');
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if( req.method != 'GET' ) return Mixer.http_error(res, 'only GET method allowed');
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else if( Mixer.valid_urls.indexOf(urlObj.pathname) < 0 ) return Mixer.http_error(res, `only URI [${Mixer.valid_urls}] allowed`);
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printf('\n -- new request --\n')
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try{
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let query_result = await this.query(req, res)
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res.writeHead(200, { 'Content-Type': 'application/json' })
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res.end(JSON.stringify( this.format(query_result) ));
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// if accept is set to HTML -> html format
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if( req.headers['accept'] && req.headers['accept'].includes("json") ){
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res.writeHead(200, { 'Content-Type': 'application/json' })
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res.end(JSON.stringify( this.format(query_result) ));
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// fallback to JSON by default
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} else{
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res.writeHead(200, { 'Content-Type': 'text/html' })
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let query = parseURL(req.url,true).query['q']
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res.end(this.toHTML(query, this.format(query_result)) );
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}
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}catch(err){
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@ -47,6 +57,8 @@ export default class Mixer {
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}
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printf(' -- response sent --\n')
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}
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@ -95,4 +107,49 @@ export default class Mixer {
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}
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}
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toHTML(request:any, input:any) : string {
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let html = `<html>
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<head>
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<title>results of '${request}'</title>
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<meta charset='utf8'/>
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<style type='text/css'>
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table{ border-collapse: collapse; }
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td{ border: 1px solid #ccc; text-align: center; padding: 0.2em 1em; }
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thead * { font-weight: bold }
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</style>
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</head>
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<body>
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<table>
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<thead><tr>
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<td>name</td>
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<td>gtin</td>
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<td>description</td>
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<td>quantity</td>
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<td>images</td>
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</tr></thead>
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<tbody>`
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for( let i = 0 ; i < input.results.length ; i++ ){
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html += `<tr>
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<td>${input.results[i].name}</td>
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<td>${input.results[i].gtin}</td>
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<td>${input.results[i].description}</td>
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<td><b>${input.results[i].quantity.value}</b> ${input.results[i].quantity.unit}</td><td>`
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if( input.results[i]['images'] ){
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let keys = Object.keys(input.results[i].images)
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for( let k of keys )
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if( input.results[i].images[k] != null )
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html += `<a href='${input.results[i].images[k]}'><img src='${input.results[i].images[k]}' width=20 height=20/></a>`
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}
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html += `</td></tr>`
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}
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return html
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}
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}
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