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User interface for creating and examining Executable Research Compendia (ERC)

Home Page: https://o2r.uni-muenster.de/

License: Apache License 2.0

Dockerfile 0.05% JavaScript 6.26% R 1.05% HTML 92.01% Shell 0.02% CSS 0.08% Yacc 0.52%

reproducible-research

o2r-ui's Introduction

o2r-UI

This project is a re-implementation of the o2r-platform using React.

Configuration

The API endpoint and the base URL for sharing ERCs on other platforms must be configured in ui/public/config.js.

Development environment with docker-compose

You can start all required o2r microservices (using latest images from Docker Hub) with just two commands using docker-compose (version 1.20.0+) and Docker (version 1.18.0+).

First, read the instructions on "Basics" and "Prerequisites" to prepare your host machine in the reference-implementation project.

This project contains one docker-compose configuration (file ui/docker-compose-dev.yml) to run all microservices & databases, and mount the client application directly from the source directory client. If you see an error related to the MongoDB or HTTP request timeouts during the first "up", abort the execution, then try again.

UI container

The container for the development of the UI is built locally based on ui/Dockerfile.dev. Only the directory /ui is mounted into the container, so if dependencies in ui/package.json change, you must update the container with

docker-compose --file docker-compose-dev.yml build --no-cache ui

Also note that the ui/node_modules directory is mounted so that your host's version of node best matches the one used in the Dockerfile.

Running the platform

cd ui/
docker-compose --file docker-compose-dev.yml up

The platform is available at http://localhost and the API at http://localhost/api.

Production environment with docker-compose

This project has another docker-compose configuration for the deployment of a production build (file ui/docker-compose.yml). This configuration has no ui container. Instead the webserver container creates a static production build with the command npm run build using a multi-stage docker file (file ui/Dockerfile) which is then served through nginx. For this reason there is also another nginx configuration (file ui/dev/nginx.conf). Because it shares a lot of the architecture with development configuration most of the endpoints are defined in a shared partial nginx configuration file (file ui/dev/nginx-share.conf).

To start the platform with the production build:

cd ui/

docker-compose up 

# force rebuild of images
docker-compose up --build

If you want to change the webserver container use:

docker-compose --file o2r-UI/ui/docker-compose.yml build --no-cache webserver

Accessing the API directly

Click the "Log in" button in the UI
Obtain the authentication token from the cookies
Use it for requests outside of the UI, e.g. with curl as described in the API docs

Using with local microservices

If you want to run the UI based on locally running microservices, i.e., the o2r service runs no in containers but in Node.js processes locally on your machine, you can use a special docker-compose file, which uses an nginx configuration that does (a) not start database servers and (b) redirects all requests to the respective ports of the host IP (only works on Linux!):

docker-compose --file o2r-UI/ui/docker-compose-dev-local-microservices.yml up

Installing new packages

After you installed further packages from npm, you have to rebuild the container. The easiest way to do this are these two commands:

docker-compose down -v
docker-compose up --build

After the build the packages are available to use.

Attention! If apache is running, it may interfere with the nginx container. You may have to stop the apache service in order to run the platform successfully. See here for more information.

Create a release

This repository contains two pieces of software, whose versions are managed in ui/bindings/package.json and ui/package.json respectively. The major.minor versions must be kept in sync, .bugfix versions may differ.

cd ui/
npm install

cd bindings
npm install

The images are built on Docker Hub:

Test

Tests run as GitHub actions and you can inspect them over here:

To run the test by yourself, complete the following steps:

Run the platform
- cd ui/
- docker-compose up
Install all packages local
- npm install
Run all the test
- npm test

You can debug the GithHub Actions. Collaborators can manually start the debug workflow and can connect via ssh to the host system on which the actual Action run. For further infromation read the debug docs

o2r-ui's People

Contributors

Stargazers

Watchers

Forkers

nuest markuskonk idirmosh fmazin njakuschona

o2r-ui's Issues

Add display and creation of public links

The API now has a public link feature, see documentation at o2r-project/api#80

This PR adds this feature to the development environment of the UI: #117

It would be great if for users of level editor or higher (admin):

the existing public link is displayed on a compendium page (also for the author of ERC)
if no link exists, one can be added with a button click
if a link exists, it can be deleted with a button click

display .txt data files

example: https://github.com/o2r-project/erc-examples/tree/bindings/ERC/Finished/Fourier_approach

Substitution view

implement view for

selecting from other ERCs
selectinig data files
for comparing datafiles that were selected
make view for comparing data files editable (e.g. rename columns)
create new ERC out of the two

No message for non-existing compendium

When opening https://o2r.uni-muenster.de/#/!/erc/czPWq the user does not see that a compendium does (no longer?) exist.

The API returns "does not exist" message: https://o2r.uni-muenster.de/api/v1/compendium/czPWq with a 404 HTTP status.

Upload functionality

New run in check view does not show up

Clicking run analysis triggers a new analysis which should be shown immediately below the button. For some reason, this does not work on the server. It is only visible after switching the tabs or reloading the page. Check: https://o2r.uni-muenster.de/#/erc/BR5vo

show erc list in author view

Filter ERC list by author and show the subset in the author view after clicking on the author's name. check: https://o2r.info/api/compendium/view/

Show licenses if available

Exampe ERC: INSYDE
Rmd in workspace has licenses specified but these are not displayed in metadata view. Reason is that the abbreviations in the Rmd do not match the abbreviations in the license list. By default, the metadata view should display whatever is specified in the Rmd. Changes can then be made using the list.

display .dat files

example: https://github.com/o2r-project/erc-examples/tree/bindings/ERC/Finished/Development_of_gasflaring

module not found error

After installing a new module with npm install <module> --save the platform still cannot find the module.
Try out:
rm -rf node_modules and then npm install
OR
docker-compose down -v and then sudo docker-compose up
@NJaku01 Do you have similar issues?

Add schema.org semantic metadata

Using https://schema.org/ScholarlyArticle for the text of the publication.

Required Metadata form: affiliation field

affiliation is a required field. In case it is empty, it is thus not possible to update the metadata which is currently only visible in the logs.

Change order of ERCs

Show ERCs in different order, newest ERC at the top

Manipulation description adds "1"

behind the manipulation description is "1" at the end of some sentences. (e.g.: GWP)

Required Metadata form issues

save but shouldn't be enabled from the beginning, only when users change sth.
go to erc should be enabled from the beginning and not, when users changed sth.
reset should not reload the page but just replace the change value with the original one
save should trigger a message: https://material-ui.com/de/components/snackbars/
Reset should be enabled only when users changes sth., this means it should also be diabled after click on save
there is some space between the tabs bar and the header, check createERC.css
reset/save/go to erc should be available also for spatiotemporal data

Dashboard

@nuest a dashboard is to be created for the UI. Here information about ERCs shall be displayed. This information should be interesting for publishers and authors. Enclosed is the first draft of a dashboard as mock-up. Do you have any ideas, criticism or suggestions for improvement?

Scrollbar in logs

The scrollbar in the logs view is hidden behind the header. For long logs this means, that users need scroll for a while until they see the bar. Check https://o2r.uni-muenster.de/#/erc/f1qQM

Avoid upload of multiple workspaces

Metadata form - Main

Manipulation- "original setting" does not change in selection options

when manipulating, it is possible to click onto "original settings". The figure changes its settings to the original ones, but the selection stays at where it was without switching to the actual original setting (at GWP, A question driven)

Enhancements/Bugs after first test series

Bugs and necesaary improvements noticed during the first test series

Inspect view

implement data view for Rdata (see https://o2r.info/api/compendium/files/#file-inspection-rdata)
implement data view for geojson (based on already existing json) and show map?
use case: user marks variable/function (similar to when creating a binding), var/func oes to the bindings servcie which checks if there is a binding for it - if this is the case, the user receives a notification that the selected var/func is associated with a binding.
show somewhere the remaining files of an ERC, Dockerfile, metadata etc.

Use ERC image for executing bindings

Current the bindings microservice executes R scripts in one massive container calling R directly via exec.

Instead, the ERC's image should be used. Here is how that could work:

the bindings scripts are be mounted into the countainer
a library path with plumber is mounted into the container
an R session using this library in addition path is started
the entrypoint of the container is overwritten with a suitable plumber entrypoint
start the container (not start the R process)

The required snippets to do this from Java are in the muncher executor.js (though hard to read, I can help with that)

Bottom bar of starting page

Bottom should be fixed so that it is not only visible if users scroll down.

Inputdata not visible

The ERC contain some input data files (.csv) which are not visible in the ERC view:

File comparison does not use displayfile property

In https://o2r.uni-muenster.de/ui/#/erc/Bcrvh the file comparison is not working:

The metadata.o2r.displayfile property in https://o2r.uni-muenster.de/api/v1/compendium/Bcrvh is correct.

Overlay view should show parameters

The overlay view should show the parameters for the left figure and those of the right one, similar to the side-by-side view

Update theme to use o2r color scheme

It would be nice to switch primary and secondary colors for something "more o2r-ish". This might help: https://material-ui.com/customization/theming/

Buttons, links, clicked links

Buttons, status colors

Color suggestions

Login

https://o2r.info/api/user/#authentication
https://github.com/o2r-project/o2r-platform/blob/master/client/index.html#L187
implement login and global variable
implement logout and change global variable accordingly

TypeError: this.props.baseErc.inputfiles.map is not a function

How to reproduce the error.
Go to any of the ERCs and then to the substitution view, click on A question driven socio-hydrological modeling process

Deploy UI to demo server

For this to work, we need Docker images on DockerHub, and have versioned releases.

Add automated build o2rproject/ui with version tags
image works locally (i.e. shows the app)
Add placeholder to some user-facing HTML page (App.js) so the version is transparently visible
update post_checkout hook to set the version in the HTML page
add 0.2.0 image to reference implementation
add 0.2.0 image to Ansible deployment configuration
have one place where API endpoint is configured, currently there are two (@MarkusKonk)
- https://github.com/o2r-project/o2r-UI/blob/Demo/ui/src/helpers/httpRequests.js#L3
- https://github.com/o2r-project/o2r-UI/blob/Demo/ui/src/helpers/config.json
put all into master branch (@MarkusKonk)

Startpage View

See o2r startpage

Add support for opengraph image metadata

Just like GitHub we could add support for opengraph social meta tags, so that ERCs shared on Twitter look cool:

Manipulate view

activate comparison button only if there two or three (not more for now) saved settings for comparison, disable otherwise
implement radio buttons (check for widget type 'radio' or 'slider')
make slider draggable: there is some issue with the setState method. Commenting out the setState functions makes the slider work as expected
progress circle/bar at the beginning once a user clicks on manipulate (bindings service takes a second to start)
replace setTimeout function by a proper implementation (does not work if starting the manipulate service takes more than 1,5 secs - which can happen)

Bindings form

Find a way to extract results list automatically (manual input?)
include video/gif showing how bindings can be created
in the parameter section: next button is activated although no parameter is selected
slider input fields do not work with rationale numbers
add parameter should delete input field for parameters. In that case, the next button should also be disabled
Catch 'Cannot read caption of undefined' in Manipulate.js l. 93: happens e.g. after finishing parameter and widget - preview - add parameter - click next OR click on preview before caption has been entered bindings view completely overhauled.
Save should be disabled a long as users did not click on preview
implement radio buttons
bindings service always includes as.numeric for parameters, hence textual parameters do not work

display .14c data files

example: https://github.com/o2r-project/erc-examples/tree/bindings/ERC/Finished/Geochronological

there is a grey line in csv data window where the window normally ends (platform or ERC issue)

Add PDDL as data license

PDDL is a common license for data, but it is not in the list of available licenses: https://opendatacommons.org/licenses/pddl/

Spatiotemporal view

I already solved some of the following issues and removed some elements to have the app ready for the demo. I think the view is a bit confusing. We should think about a better way to arrange the veiw

The search for address, region, country is not working. I removed it for the demo.
Text mentions two options, but three are listed - inconsistent.
"Edit" text plus "Start edit" redundant (same for draw)
"Save edit" should be "Stop editing" (save implies saving to metadata)

Allow users to plaudit ERC loaded from a DOI

Plaudit is a simple, light-weight mechanism that allows an individual with an ORCID to endorse an object with a DOI.

https://plaudit.pub/

This would obviously only work with ERC loaded from a DOI, but it would be awesome to enable more users to break out of traditional academic ways of giving credit right from a binder.
Should also display plaudits for ERC, of course.

JSON not displayed correctly

JSON file actually has more entries but only the first element is shown. See https://github.com/o2r-project/erc-examples/tree/bindings/ERC/Finished/Bindings

IndexSizeError in ERC view

At some point when I interact with the ERC view, I get the following error. I guess a simple catch for '0' should be enough.

get rid off unnecessary scrolling bar at the very right

Substitution: Minor issues

Add production app build in main Dockerfile

The Dockerfile.dev can use the development server, but the production image should have a prebuild app, not the least for reasons of performance:

need production build, see https://reactjs.org/docs/optimizing-performance.html
maybe https://react-server.io/docs/guides/production ?

Related to #57

Providing too large datasets as download only

Some datasets, for example, deaths.csv in tidy data are too large for ou platform. We need to check if a file is larger than, for example, 5mb and if so, only provide it as a download. A message like "This file is too large but you can download it here" should be shown instead.

Create ERC - Spatiotemporal view

pull newest commit including createERC view
include leaflet map
include tools to create/edit rectangles
get geojson out from rectangle
include two widgets for selecting start and end date (calendar? slider?)
show spatiotemporal information if there is already information in the metadata of an ERC (map + time)

Cannot upload workspace because of problem during metadata extraction

Request:

curl -F "compendium=@/home/daniel/ownCloud/o2r-data/Korpus/public/workspace-rmd-data.zip;type=application/zip" -F content_type=workspace --cookie "connect.sid=s:ADOteuwd4fUZcGTBuc6cH7UaK0Czk7cd.Bb9x3m1vodnlEyvVZWH9vZeC4gxloqtBS1IsD9g7YZI" http://localhost/api/v1/compendium

Stacktrace:

loader_1          | 2019-05-23T07:23:56.037Z loader:steps [9EUG7] Input dir: /tmp/o2r/compendium/9EUG7 | Output dir: /tmp/o2r/compendium/9EUG7/.erc
loader_1          | 2019-05-23T07:23:56.037Z loader:steps [9EUG7] Created output dir: /tmp/o2r/compendium/9EUG7/.erc
loader_1          | 2019-05-23T07:23:56.038Z loader:steps [9EUG7] volume is configured, overwriting binds configuration (was [ '/tmp/o2r/compendium/9EUG7:/tmp/o2r/compendium/9EUG7', '/tmp/o2r/compendium/9EUG7/.erc:/tmp/o2r/compendium/9EUG7/.erc' ])
loader_1          | 2019-05-23T07:23:56.038Z loader:steps [9EUG7] Binds: [ 'o2rplatform_o2rstorage:/tmp/o2r/' ]
loader_1          | 2019-05-23T07:23:56.038Z loader:steps [9EUG7] Starting Docker container now with options and command:
loader_1          |     create_options: {"CpuShares":128,"Env":["O2R_LOADER=true"],"Memory":1073741824,"MemorySwap":2147483648,"User":"root","name":"meta_extract_9EUG7","HostConfig":{"Binds":["o2rplatform_o2rstorage:/tmp/o2r/"],"AutoRemove":true}}
loader_1          |     start_options: {}
loader_1          |     cmd: -debug extract --inputdir /tmp/o2r/compendium/9EUG7 --outputdir /tmp/o2r/compendium/9EUG7/.erc --metafiles --ercid 9EUG7 --basedir /tmp/o2r/compendium/9EUG7
loader_1          | 2019-05-23T07:23:56.041Z modem Sending: { path: '/containers/create?Hostname=&User=root&AttachStdin=false&AttachStdout=true&AttachStderr=true&Tty=true&OpenStdin=false&StdinOnce=false&Env=%5B%22O2R_LOADER%3Dtrue%22%5D&Cmd=%5B%22-debug%22%2C%22extract%22%2C%22--inputdir%22%2C%22%2Ftmp%2Fo2r%2Fcompendium%2F9EUG7%22%2C%22--outputdir%22%2C%22%2Ftmp%2Fo2r%2Fcompendium%2F9EUG7%2F.erc%22%2C%22--metafiles%22%2C%22--ercid%22%2C%229EUG7%22%2C%22--basedir%22%2C%22%2Ftmp%2Fo2r%2Fcompendium%2F9EUG7%22%5D&Image=o2rproject%2Fo2r-meta%3A9198450&Volumes=%7B%7D&VolumesFrom=%5B%5D&CpuShares=128&Memory=1073741824&MemorySwap=2147483648&name=meta_extract_9EUG7&HostConfig=%7B%22Binds%22%3A%5B%22o2rplatform_o2rstorage%3A%2Ftmp%2Fo2r%2F%22%5D%2C%22AutoRemove%22%3Atrue%7D',
loader_1          |   method: 'POST',
loader_1          |   headers: { 'Content-Type': 'application/json', 'Content-Length': 583 },
loader_1          |   key: undefined,
loader_1          |   cert: undefined,
loader_1          |   ca: undefined,
loader_1          |   socketPath: '/var/run/docker.sock' }
loader_1          | 2019-05-23T07:23:56.487Z modem Received: {"Id":"628154d9d3ecd416d9bd1757615d10d92627afcaad649d8770dd0e68e3139a9f","Warnings":null}
loader_1          | 
loader_1          | 2019-05-23T07:23:56.489Z modem Sending: { path: '/containers/628154d9d3ecd416d9bd1757615d10d92627afcaad649d8770dd0e68e3139a9f/attach?stream=true&stdout=true&stderr=true',
loader_1          |   method: 'POST',
loader_1          |   headers: { 'Content-Type': 'application/json', 'Content-Length': 43 },
loader_1          |   key: undefined,
loader_1          |   cert: undefined,
loader_1          |   ca: undefined,
loader_1          |   socketPath: '/var/run/docker.sock' }
loader_1          | 2019-05-23T07:23:56.503Z modem Sending: { path: '/containers/628154d9d3ecd416d9bd1757615d10d92627afcaad649d8770dd0e68e3139a9f/start',
loader_1          |   method: 'POST',
loader_1          |   headers: {},
loader_1          |   key: undefined,
loader_1          |   cert: undefined,
loader_1          |   ca: undefined,
loader_1          |   socketPath: '/var/run/docker.sock' }
loader_1          | 2019-05-23T07:23:58.516Z modem Received: 
loader_1          | 2019-05-23T07:23:58.536Z modem Sending: { path: '/containers/628154d9d3ecd416d9bd1757615d10d92627afcaad649d8770dd0e68e3139a9f/wait',
loader_1          |   method: 'POST',
loader_1          |   headers: {},
loader_1          |   key: undefined,
loader_1          |   cert: undefined,
loader_1          |   ca: undefined,
loader_1          |   socketPath: '/var/run/docker.sock' }
loader_1          | 2019-05-23T07:23:58.891Z loader:steps [9EUG7] [extract container] [o2rmeta] 20190523.072358 received arguments: {'debug': True, 'tool': 'extract', 'formats': False, 'inputdir': '/tmp/o2r/compendium/9EUG7', 'outputdir': '/tmp/o2r/compendium/9EUG7/.erc', 'outputtostdout': False, 'ercid': '9EUG7', 'basedir': '/tmp/o2r/compendium/9EUG7', 'modexml': False, 'stayoffline': False, 'metafiles': True, 'default_metadata_license': None}
loader_1          | [o2rmeta] 20190523.072358 launching extractor
loader_1          | 2019-05-23T07:23:58.892Z loader:steps [9EUG7] [extract container] [o2rmeta][debug: extract.metaextract @ start] 20190523.072358 Using CC-BY-4.0 as default license for metadata
loader_1          | 2019-05-23T07:23:58.893Z loader:steps [9EUG7] [extract container] [o2rmeta] 20190523.072358 directory </tmp/o2r/compendium/9EUG7/.erc> will be created during extraction...
loader_1          | 2019-05-23T07:23:58.894Z loader:steps [9EUG7] [extract container] [o2rmeta][error][debug: extract.metaextract @ start] 20190523.072358 ! error, input dir </tmp/o2r/compendium/9EUG7> does not exist
loader_1          | [o2rmeta][debug: extract.metaextract @ start] 20190523.072358 ! error, input dir </tmp/o2r/compendium/9EUG7> does not exist
loader_1          | 2019-05-23T07:23:59.900Z modem Received: {"Error":null,"StatusCode":1}
loader_1          | 
loader_1          | 2019-05-23T07:23:59.901Z loader:steps [9EUG7] container running: [object Object]
loader_1          | 2019-05-23T07:23:59.901Z loader:steps [9EUG7] Error during meta container run: { Error: null, StatusCode: 1 }
loader_1          | 2019-05-23T07:23:59.902Z modem Sending: { path: '/containers/628154d9d3ecd416d9bd1757615d10d92627afcaad649d8770dd0e68e3139a9f/logs?follow=true&stdout=true&stderr=true&timestamps=true',
loader_1          |   method: 'GET',
loader_1          |   headers: {},
loader_1          |   key: undefined,
loader_1          |   cert: undefined,
loader_1          |   ca: undefined,
loader_1          |   socketPath: '/var/run/docker.sock' }
loader_1          | 2019-05-23T07:23:59.923Z loader:directuploader [9EUG7] Rejection or unhandled failure during upload: Error: Received non-zero statuscode from container at docker.run (/loader/lib/steps.js:868:28) at /loader/node_modules/dockerode/lib/docker.js:1448:11 at /loader/node_modules/dockerode/lib/container.js:783:7 at Modem.buildPayload (/loader/node_modules/docker-modem/lib/modem.js:270:7) at IncomingMessage.<anonymous> (/loader/node_modules/docker-modem/lib/modem.js:229:14) at emitNone (events.js:111:20) at IncomingMessage.emit (events.js:208:7) at endReadableNT (_stream_readable.js:1064:12) at _combinedTickCallback (internal/process/next_tick.js:139:11) at process._tickCallback (internal/process/next_tick.js:181:9)
loader_1          | 2019-05-23T07:23:59.926Z loader:directuploader [{ id: '9EUG7',
loader_1          |   user: '0000-0001-6225-344X',
loader_1          |   content: 'workspace',
loader_1          |   req: 
loader_1          |    IncomingMessage {
loader_1          |      _readableState: [Object],
loader_1          |      readable: false,
loader_1          |      domain: null,
loader_1          |      _events: [Object],
loader_1          |      _eventsCount: 1,
loader_1          |      _maxListeners: undefined,
loader_1          |      socket: [Object],
loader_1          |      connection: [Object],
loader_1          |      httpVersionMajor: 1,
loader_1          |      httpVersionMinor: 0,
loader_1          |      httpVersion: '1.0',
loader_1          |      complete: true,
loader_1          |      headers: [Object],
loader_1          |      rawHeaders: [Array],
loader_1          |      trailers: {},
loader_1          |      rawTrailers: [],
loader_1          |      aborted: false,
loader_1          |      upgrade: false,
loader_1          |      url: '/api/v1/compendium',
loader_1          |      method: 'POST',
loader_1          |      statusCode: null,
loader_1          |      statusMessage: null,
loader_1          |      client: [Object],
loader_1          |      _consuming: true,
loader_1          |      _dumped: false,
loader_1          |      next: [Function: next],
loader_1          |      baseUrl: '',
loader_1          |      originalUrl: '/api/v1/compendium',
loader_1          |      _parsedUrl: [Object],
loader_1          |      params: {},
loader_1          |      query: {},
loader_1          |      res: [Object],
loader_1          |      body: [Object],
loader_1          |      _parsedOriginalUrl: [Object],
loader_1          |      sessionStore: [Object],
loader_1          |      sessionID: 'ADOteuwd4fUZcGTBuc6cH7UaK0Czk7cd',
loader_1          |      session: [Object],
loader_1          |      _passport: [Object],
loader_1          |      user: [Object],
loader_1          |      route: [Object],
loader_1          |      read: [Function],
loader_1          |      file: [Object] },
loader_1          |   res: 
loader_1          |    ServerResponse {
loader_1          |      domain: null,
loader_1          |      _events: [Object],
loader_1          |      _eventsCount: 1,
loader_1          |      _maxListeners: undefined,
loader_1          |      output: [],
loader_1          |      outputEncodings: [],
loader_1          |      outputCallbacks: [],
loader_1          |      outputSize: 0,
loader_1          |      writable: true,
loader_1          |      _last: false,
loader_1          |      upgrading: false,
loader_1          |      chunkedEncoding: false,
loader_1          |      shouldKeepAlive: false,
loader_1          |      useChunkedEncodingByDefault: false,
loader_1          |      sendDate: true,
loader_1          |      _removedConnection: false,
loader_1          |      _removedContLen: false,
loader_1          |      _removedTE: false,
loader_1          |      _contentLength: null,
loader_1          |      _hasBody: true,
loader_1          |      _trailer: '',
loader_1          |      finished: false,
loader_1          |      _headerSent: false,
loader_1          |      socket: [Object],
loader_1          |      connection: [Object],
loader_1          |      _header: null,
loader_1          |      _onPendingData: [Function: bound updateOutgoingData],
loader_1          |      _sent100: false,
loader_1          |      _expect_continue: false,
loader_1          |      req: [Object],
loader_1          |      locals: {},
loader_1          |      writeHead: [Function: writeHead],
loader_1          |      end: [Function: end],
loader_1          |      [Symbol(outHeadersKey)]: [Object] },
loader_1          |   archive: '/tmp/o2r/incoming/9EUG7',
loader_1          |   compendium_path: '/tmp/o2r/compendium/9EUG7',
loader_1          |   textFiles: [ '/tmp/o2r/compendium/9EUG7/main.Rmd' ],
loader_1          |   isBag: false,
loader_1          |   bagValid: null,
loader_1          |   configurationFile: '/tmp/o2r/compendium/9EUG7/erc.yml' }] Passon object:
loader_1          | %s
loader_1          | 2019-05-23T07:23:59.929Z loader:ctrl:directupload Error during upload: Error: Received non-zero statuscode from container at docker.run (/loader/lib/steps.js:868:28) at /loader/node_modules/dockerode/lib/docker.js:1448:11 at /loader/node_modules/dockerode/lib/container.js:783:7 at Modem.buildPayload (/loader/node_modules/docker-modem/lib/modem.js:270:7) at IncomingMessage.<anonymous> (/loader/node_modules/docker-modem/lib/modem.js:229:14) at emitNone (events.js:111:20) at IncomingMessage.emit (events.js:208:7) at endReadableNT (_stream_readable.js:1064:12) at _combinedTickCallback (internal/process/next_tick.js:139:11) at process._tickCallback (internal/process/next_tick.js:181:9)
webserver_1       | 172.20.0.1 - - [23/May/2019:07:23:59 +0000] "POST /api/v1/compendium HTTP/1.1" 500 50 "-" "curl/7.58.0"
loader_1          | 2019-05-23T07:23:59.948Z loader:steps [9EUG7] Error getting container logs after non-zero status code

Upload workspace zip glitch

When I drag and drop or select a workspace archive an then click on upload, the "Select file" dialog opens again, see (note the already uploaded archive file)

When I close that window and click on "upload" again, then the upload starts.

Implement Download functionality for ERCs

Download API: https://o2r.info/api/compendium/download/. Download as .zip is enough for now.
Note the two options image=true/false. There should be popup or similar asking users whether they want to download the image or not (ERCs including the image are much bigger). Downloading the ERC with the image is only possible if the ERC was executed at least once.

Download icon can be found here: https://material-ui.com/de/components/material-icons/