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Merge pull request #117 from fga-eps-mds/i83_scannear_planta
Adding scanner plant router
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,53 @@ | ||
| const express = require('express'); | ||
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| const router = express.Router(); | ||
| const fs = require('fs'); // File System | Node.js | ||
| const axios = require('axios'); // HTTP client | ||
| const FormData = require('form-data'); // Readable "multipart/form-data" streams | ||
| const path = require('path'); | ||
| require('dotenv').config(); | ||
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|
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| function openFileReadStream(filePath) { | ||
| return new Promise((resolve, reject) => { | ||
| const readStream = fs.createReadStream(filePath); | ||
| readStream.on('open', () => resolve(readStream)); | ||
| readStream.on('error', (err) => reject(err)); | ||
| }); | ||
| } | ||
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| router.post('/', async (req, res, next) => { | ||
| try { | ||
| const apiKey = process.env.PLANT_NET_API_KEY; // api key do plant net | ||
| const { data, filename, mime, plantType } = req.body; | ||
| const requireFields = { data, filename, mime, plantType }; | ||
| const erros = []; | ||
| Object.entries(requireFields).forEach(([key, value]) => { | ||
| if (!value) erros.push(`${key} is required`); | ||
| }); | ||
| if (erros.length) throw erros; | ||
| const fileFormat = mime.split('/').pop(); | ||
| const filePath = path.join(__dirname, '..', `${filename}.${fileFormat}`); | ||
| fs.writeFileSync(filePath, data, { encoding: 'base64' }); | ||
| const form = new FormData(); | ||
| form.append('organs', plantType); | ||
| const stream = await openFileReadStream(filePath); | ||
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| form.append('images', stream); | ||
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| const response = await axios.post( | ||
| `https://my-api.plantnet.org/v2/identify/all?api-key=${apiKey}`, | ||
| form, | ||
| { | ||
| headers: form.getHeaders(), | ||
| } | ||
| ); | ||
| fs.unlinkSync(filePath); | ||
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| res.send(response.data); | ||
| } catch (err) { | ||
| if (Array.isArray(err)) res.status(400).send({ errors: err }); | ||
| next(err); | ||
| } | ||
| }); | ||
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| module.exports = router; |
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