Save track data

Convert to AbstractTrackModel

Fix strand for gff3 save track data (#3688)

packages/core/assemblyManager/loadRefNameMap.ts

@@ -0,0 +1,65 @@
+import { BaseOptions, checkRefName, RefNameAliases } from './util'
+import RpcManager from '../rpc/RpcManager'
+import { when } from '../util'
+
+export interface BasicRegion {
+  start: number
+  end: number
+  refName: string
+  assemblyName: string
+}
+
+export async function loadRefNameMap(
+  assembly: {
+    name: string
+    regions: BasicRegion[] | undefined
+    refNameAliases: RefNameAliases | undefined
+    getCanonicalRefName: (arg: string) => string
+    rpcManager: RpcManager
+  },
+  adapterConfig: unknown,
+  options: BaseOptions,
+  signal?: AbortSignal,
+) {
+  const { sessionId } = options
+  await when(() => !!(assembly.regions && assembly.refNameAliases), {
+    signal,
+    name: 'when assembly ready',
+  })
+
+  const refNames = (await assembly.rpcManager.call(
+    sessionId,
+    'CoreGetRefNames',
+    {
+      adapterConfig,
+      signal,
+      ...options,
+    },
+    { timeout: 1000000 },
+  )) as string[]
+
+  const { refNameAliases } = assembly
+  if (!refNameAliases) {
+    throw new Error(`error loading assembly ${assembly.name}'s refNameAliases`)
+  }
+
+  const refNameMap = Object.fromEntries(
+    refNames.map(name => {
+      checkRefName(name)
+      return [assembly.getCanonicalRefName(name), name]
+    }),
+  )
+
+  // make the reversed map too
+  const reversed = Object.fromEntries(
+    Object.entries(refNameMap).map(([canonicalName, adapterName]) => [
+      adapterName,
+      canonicalName,
+    ]),
+  )
+
+  return {
+    forwardMap: refNameMap,
+    reverseMap: reversed,
+  }
+}

packages/core/assemblyManager/util.ts

@@ -0,0 +1,70 @@
+import { AnyConfigurationModel } from '../configuration'
+import jsonStableStringify from 'json-stable-stringify'
+import { BaseRefNameAliasAdapter } from '../data_adapters/BaseAdapter'
+import PluginManager from '../PluginManager'
+import { BasicRegion } from './loadRefNameMap'
+
+export type RefNameAliases = Record<string, string>
+
+export interface BaseOptions {
+  signal?: AbortSignal
+  sessionId: string
+  statusCallback?: Function
+}
+
+export async function getRefNameAliases(
+  config: AnyConfigurationModel,
+  pm: PluginManager,
+  signal?: AbortSignal,
+) {
+  const type = pm.getAdapterType(config.type)
+  const CLASS = await type.getAdapterClass()
+  const adapter = new CLASS(config, undefined, pm) as BaseRefNameAliasAdapter
+  return adapter.getRefNameAliases({ signal })
+}
+
+export async function getCytobands(
+  config: AnyConfigurationModel,
+  pm: PluginManager,
+) {
+  const type = pm.getAdapterType(config.type)
+  const CLASS = await type.getAdapterClass()
+  const adapter = new CLASS(config, undefined, pm)
+
+  // @ts-expect-error
+  return adapter.getData()
+}
+
+export async function getAssemblyRegions(
+  // eslint-disable-next-line @typescript-eslint/no-explicit-any
+  assembly: any,
+  adapterConfig: AnyConfigurationModel,
+  signal?: AbortSignal,
+): Promise<BasicRegion[]> {
+  const sessionId = 'loadRefNames'
+  return assembly.rpcManager.call(
+    sessionId,
+    'CoreGetRegions',
+    {
+      adapterConfig,
+      sessionId,
+      signal,
+    },
+    { timeout: 1000000 },
+  )
+}
+
+const refNameRegex = new RegExp(
+  '[0-9A-Za-z!#$%&+./:;?@^_|~-][0-9A-Za-z!#$%&*+./:;=?@^_|~-]*',
+)
+
+// Valid refName pattern from https://samtools.github.io/hts-specs/SAMv1.pdf
+export function checkRefName(refName: string) {
+  if (!refNameRegex.test(refName)) {
+    throw new Error(`Encountered invalid refName: "${refName}"`)
+  }
+}
+
+export function getAdapterId(adapterConf: unknown) {
+  return jsonStableStringify(adapterConf)
+}

packages/core/package.json

@@ -44,6 +44,7 @@
     "dompurify": "^3.0.0",
     "escape-html": "^1.0.3",
     "fast-deep-equal": "^3.1.3",
+    "file-saver": "^2.0.0",
     "generic-filehandle": "^3.0.0",
     "http-range-fetcher": "^2.0.0",
     "is-object": "^1.0.1",

packages/core/pluggableElementTypes/models/BaseTrackModel.ts

@@ -1,3 +1,4 @@
+import { lazy } from 'react'
 import { transaction } from 'mobx'
 import {
   getRoot,
@@ -16,10 +17,14 @@ import {
 } from '../../configuration'
 import PluginManager from '../../PluginManager'
 import { MenuItem } from '../../ui'
+import { Save } from '../../ui/Icons'
 import { getContainingView, getEnv, getSession } from '../../util'
 import { isSessionModelWithConfigEditing } from '../../util/types'
 import { ElementId } from '../../util/types/mst'
 
+// lazies
+const SaveTrackDataDlg = lazy(() => import('./components/SaveTrackData'))
+
 export function getCompatibleDisplays(self: IAnyStateTreeNode) {
   const { pluginManager } = getEnv(self)
   const view = getContainingView(self)
@@ -211,6 +216,16 @@ export function createBaseTrackModel(
 
         return [
           ...menuItems,
+          {
+            label: 'Save track data',
+            icon: Save,
+            onClick: () => {
+              getSession(self).queueDialog(handleClose => [
+                SaveTrackDataDlg,
+                { model: self, handleClose },
+              ])
+            },
+          },
           ...(compatDisp.length > 1
             ? [
                 {

packages/core/pluggableElementTypes/models/components/SaveTrackData.tsx

@@ -0,0 +1,171 @@
+import React, { useEffect, useState } from 'react'
+import {
+  Button,
+  DialogActions,
+  DialogContent,
+  FormControl,
+  FormControlLabel,
+  FormLabel,
+  Radio,
+  RadioGroup,
+  TextField,
+  Typography,
+} from '@mui/material'
+import { IAnyStateTreeNode } from 'mobx-state-tree'
+import { makeStyles } from 'tss-react/mui'
+import { saveAs } from 'file-saver'
+import { observer } from 'mobx-react'
+import { Dialog, ErrorMessage, LoadingEllipses } from '@jbrowse/core/ui'
+import {
+  getSession,
+  getContainingView,
+  Feature,
+  Region,
+  AbstractTrackModel,
+} from '@jbrowse/core/util'
+import { getConf } from '@jbrowse/core/configuration'
+
+// icons
+import GetAppIcon from '@mui/icons-material/GetApp'
+
+// locals
+import { stringifyGFF3 } from './gff3'
+import { stringifyGenbank } from './genbank'
+
+const useStyles = makeStyles()({
+  root: {
+    width: '80em',
+  },
+  textAreaFont: {
+    fontFamily: 'Courier New',
+  },
+})
+
+async function fetchFeatures(
+  track: IAnyStateTreeNode,
+  regions: Region[],
+  signal?: AbortSignal,
+) {
+  const { rpcManager } = getSession(track)
+  const adapterConfig = getConf(track, ['adapter'])
+  const sessionId = 'getFeatures'
+  return rpcManager.call(sessionId, 'CoreGetFeatures', {
+    adapterConfig,
+    regions,
+    sessionId,
+    signal,
+  }) as Promise<Feature[]>
+}
+
+export default observer(function SaveTrackDataDlg({
+  model,
+  handleClose,
+}: {
+  model: AbstractTrackModel
+  handleClose: () => void
+}) {
+  const { classes } = useStyles()
+  const [error, setError] = useState<unknown>()
+  const [features, setFeatures] = useState<Feature[]>()
+  const [type, setType] = useState('gff3')
+  const [str, setStr] = useState('')
+  const options = {
+    gff3: { name: 'GFF3', extension: 'gff3' },
+    genbank: { name: 'GenBank', extension: 'genbank' },
+  }
+
+  useEffect(() => {
+    // eslint-disable-next-line @typescript-eslint/no-floating-promises
+    ;(async () => {
+      try {
+        const view = getContainingView(model) as { visibleRegions?: Region[] }
+        setError(undefined)
+        setFeatures(await fetchFeatures(model, view.visibleRegions || []))
+      } catch (e) {
+        console.error(e)
+        setError(e)
+      }
+    })()
+  }, [model])
+
+  useEffect(() => {
+    // eslint-disable-next-line @typescript-eslint/no-floating-promises
+    ;(async () => {
+      try {
+        const view = getContainingView(model)
+        const session = getSession(model)
+        if (!features) {
+          return
+        }
+        const str = await (type === 'gff3'
+          ? stringifyGFF3(features)
+          : stringifyGenbank({
+              features,
+              session,
+              assemblyName: view.dynamicBlocks.contentBlocks[0].assemblyName,
+            }))
+
+        setStr(str)
+      } catch (e) {
+        setError(e)
+      }
+    })()
+  }, [type, features, model])
+
+  return (
+    <Dialog maxWidth="xl" open onClose={handleClose} title="Save track data">
+      <DialogContent className={classes.root}>
+        {error ? <ErrorMessage error={error} /> : null}
+        {!features ? (
+          <LoadingEllipses />
+        ) : !features.length ? (
+          <Typography>No features found</Typography>
+        ) : null}
+
+        <FormControl>
+          <FormLabel>File type</FormLabel>
+          <RadioGroup value={type} onChange={e => setType(e.target.value)}>
+            {Object.entries(options).map(([key, val]) => (
+              <FormControlLabel
+                key={key}
+                value={key}
+                control={<Radio />}
+                label={val.name}
+              />
+            ))}
+          </RadioGroup>
+        </FormControl>
+        <TextField
+          variant="outlined"
+          multiline
+          minRows={5}
+          maxRows={15}
+          fullWidth
+          value={str}
+          InputProps={{
+            readOnly: true,
+            classes: {
+              input: classes.textAreaFont,
+            },
+          }}
+        />
+      </DialogContent>
+      <DialogActions>
+        <Button
+          onClick={() => {
+            const ext = options[type as keyof typeof options].extension
+            const blob = new Blob([str], { type: 'text/plain;charset=utf-8' })
+            saveAs(blob, `jbrowse_track_data.${ext}`)
+          }}
+          startIcon={<GetAppIcon />}
+        >
+          Download
+        </Button>
+
+        <Button variant="contained" type="submit" onClick={() => handleClose()}>
+          Close
+        </Button>
+      </DialogActions>
+    </Dialog>
+  )
+})