SAFE Dev Tutorials
  • Introduction
  • Email app
    • Initialization
    • Fetch email data
    • Create an email ID
    • Send an email
    • Refresh the inbox folder
    • Save an email
    • Delete an email
    • What's next?
  • Website with comments
    • Authorization
    • Fetch public names
    • Fetch comments
    • Enable comments
    • Add a comment
    • Edit a comment
    • Fetch comment history
    • Delete a comment
    • Block a user
    • Unblock a user
    • What's next?
  • WebRTC video chat app
    • Initialization
    • Create an offer
    • Receive an offer
    • Create an answer
    • Receive an answer
  • Markdown editor
    • Initialization
    • Fetch file index
    • Create a file
    • Edit a file
    • Save a new version
    • Fetch all versions
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  • Contents
  • Get a data ID handle
  • Get data ID handle
  • Get a structured data handle
  • Get structured data handle
  • Drop data ID handle
  • Fetch the file
  • Read structured data
  • Fetch all versions

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  1. Markdown editor

Edit a file

PreviousCreate a fileNextSave a new version

Last updated 5 years ago

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When you want to edit an existing file, the app needs to load the content of that file.

Contents

Get a data ID handle

The app obtains a data ID handle for the versioned structured data (type tag 501) that contains the file you want to edit. The ID of this structured data is based on your user prefix and the name of the file.

POST /data-id/structured-data
safeDataId.getStructuredDataHandle(ACCESS_TOKEN, btoa(`${USER_PREFIX}:${filename}`), 501)

Get a structured data handle

The app obtains a structured data handle using the data ID handle of the file you want to edit.

GET /structured-data/handle/:dataIdHandle
safeStructuredData.getHandle(ACCESS_TOKEN, dataIdHandle)

After obtaining a structured data handle, the app drops the data ID handle of the file you want to edit.

DELETE /data-id/:handleId
safeDataId.dropHandle(ACCESS_TOKEN, dataIdHandle)

Fetch the file

The app reads the latest version of the structured data using the structured data handle of the file you want to edit.

GET /structured-data/:handleId/:version?
safeStructuredData.readData(ACCESS_TOKEN, handleId, version)

The app displays the Markdown content for the latest version of the file you want to edit.

Fetch all versions

The app of the file and displays them in the UI.

Get data ID handle
store.js
Get structured data handle
store.js
Drop data ID handle
store.js
Read structured data
store.js
fetches all the versions
Edit a file
Edit a file
Fetch all versions