bugfix: preview receptor bm

deploy/app.js

@@ -40,10 +40,11 @@ configureAuth(app)
   .then(() => console.log('configure auth properly'))
   .catch(e => console.error('configure auth failed', e))
 
-const publicPath = process.env.NODE_ENV === 'production'
+const PUBLIC_PATH = process.env.NODE_ENV === 'production'
   ? path.join(__dirname, 'public')
   : path.join(__dirname, '..', 'dist', 'aot')
-app.use(express.static(publicPath))
+
+app.use(express.static(PUBLIC_PATH))
 
 app.use((req, res, next) => {
   res.set('Content-Type', 'application/json')

deploy/datasets/index.js

 const express = require('express')
+const path = require('path')
+const fs = require('fs')
 const datasetsRouter = express.Router()
 const { init, getDatasets, getPreview } = require('./query')
 
@@ -67,4 +69,28 @@ datasetsRouter.get('/preview/:datasetName', (req, res, next) => {
     })
 })
 
+const previewFileMap = new Map()
+
+const PUBLIC_PATH = process.env.NODE_ENV === 'production'
+  ? path.join(__dirname, '..', 'public')
+  : path.join(__dirname, '..', '..', 'dist', 'aot')
+
+
+const RECEPTOR_PATH = path.join(PUBLIC_PATH, 'res', 'image', 'receptor')
+fs.readdir(RECEPTOR_PATH, (err, files) => {
+  if (err)
+    console.log('reading receptor error', err)
+  files.forEach(file => previewFileMap.set(`res/image/receptor/${file}`, path.join(RECEPTOR_PATH, file)))
+})
+
+datasetsRouter.get('/previewFile', (req, res) => {
+  const { file } = req.query
+  const filePath = previewFileMap.get(file)
+  if (filePath) {
+    fs.createReadStream(filePath).pipe(res)
+  } else {
+    res.status(404).send()
+  }
+})
+
 module.exports = datasetsRouter
\ No newline at end of file

deploy/datasets/supplements/previewFile.js

@@ -4,6 +4,7 @@ const path = require('path')
 const DISABLE_RECEPTOR_PREVIEW = process.env.DISABLE_RECEPTOR_PREVIEW
 const DISABLE_JUBRAIN_PMAP = process.env.DISABLE_JUBRAIN_PMAP
 const DISABLE_DWM_PMAP = process.env.DISABLE_DWM_PMAP
+const HOSTNAME = process.env.HOSTNAME || 'http://localhost:3000'
 
 let previewMap = new Map(),
   previewMapKeySet = new Set()
@@ -32,6 +33,18 @@ Promise.all([
     console.error('preview file error', e)
   })
 
-exports.getPreviewFile = ({ datasetName }) => Promise.resolve(previewMap.get(datasetName))
+exports.getPreviewFile = ({ datasetName }) => Promise.resolve(
+  previewMap.get(datasetName)
+    .map(file => {
+      return {
+        ...file,
+        ...(file.url && !/^http/.test(file.url)
+          ? {
+            url: `${HOSTNAME}/${file.url}`
+          }
+          : {})
+      }
+    })
+)
 exports.getAllPreviewDSNames = () => Array.from(previewMap.keys())
 exports.hasPreview = ({ datasetName }) => previewMapKeySet.has(datasetName)
\ No newline at end of file