Commit Graph

4 Commits

Author SHA1 Message Date
Katharina Irrgang
c93f03b87e post update collision detection (#8328) (#8362)
closes #5599

If two users edit the same post, it can happen that they override each others content or post settings. With this change this won't happen anymore.

 Update collision for posts
- add a new bookshelf plugin to detect these changes
- use the `changed` object of bookshelf -> we don't have to create our own diff
- compare client and server updated_at field
- run editing posts in a transaction (see comments in code base)

🙀  update collision for tags
- `updateTags` for adding posts on `onCreated` - happens after the post was inserted
   --> it's "okay" to attach the tags afterwards on insert
   --> there is no need to add collision for inserting data
   --> it's very hard to move the updateTags call to `onCreating`, because the `updateTags` function queries the database to look up the affected post
- `updateTags` while editing posts on `onSaving` - all operations run in a transactions and are rolled back if something get's rejected

- Post model edit: if we push a transaction from outside, take this one

  introduce options.forUpdate
- if two queries happening in a transaction we have to signalise knex/mysql that we select for an update
- otherwise the following case happens:
  >> you fetch posts for an update
  >> a user requests comes in and updates the post (e.g. sets title to "X")
  >> you update the fetched posts, title would get overriden to the old one

use options.forUpdate and protect internal post updates: model listeners
- use a transaction for listener updates
- signalise forUpdate
- write a complex test

use options.forUpdate and protect internal post updates: scheduling
- publish endpoint runs in a transaction
- add complex test
- @TODO: right now scheduling api uses posts api, therefor we had to extend the options for api's
  >> allowed to pass transactions through it
  >> but these are only allowed if defined from outside {opts: [...]}
  >> so i think this is fine and not dirty
  >> will wait for opinions
  >> alternatively we have to re-write the scheduling endpoint to use the models directly
2017-04-19 14:53:23 +01:00
Katharina Irrgang
d81bc91bd2 Error creation (#7477)
refs #7116, refs #2001

- Changes the way Ghost errors are implemented to benefit from proper inheritance
- Moves all error definitions into a single file
- Changes the error constructor to take an options object, rather than needing the arguments to be passed in the correct order.
- Provides a wrapper so that any errors that haven't already been converted to GhostErrors get converted before they are displayed.

Summary of changes:

* 🐛  set NODE_ENV in config handler
*   add GhostError implementation (core/server/errors.js)
  - register all errors in one file
  - inheritance from GhostError
  - option pattern
* 🔥  remove all error files
*   wrap all errors into GhostError in case of HTTP
* 🎨  adaptions
  - option pattern for errors
  - use GhostError when needed
* 🎨  revert debug deletion and add TODO for error id's
2016-10-06 13:27:35 +01:00
kirrg001
0ae0a0b490 🎨 change how we get and set config
refs #6982
- a replace for all config usages
- always use config.get or config.set
- this a pure replacement, no logic has changed

[ci skip]
2016-09-20 15:59:34 +01:00
“kirrg001”
1421c92ba5 post-scheduling
refs #6413
- PUT endpoint to publish a post/page for the scheduler
- fn endpoint to get all scheduled posts (with from/to query params) for the scheduler
- hardcoded permission handling for scheduler client
- fix event bug: unscheduled
- basic structure for scheduling
- post scheduling basics
- offer easy option to change adapter
- integrate the default scheduler adapter
- update scheduled posts when blog TZ changes
- safety check before scheduler can publish a post (not allowed to publish in the future or past)
- add force flag to allow publishing in the past
- invalidate cache header for /schedules/posts/:id
2016-06-14 10:52:13 +02:00