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61. Preventing parent posts from being deleted
Episodes
01. Introduction and demo
6m 59s
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02. Getting set up
10m 36s
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03. Modifying registration for usernames
7m 15s
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04. Figuring out the forum layout
5m 57s
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05. Creating and listing topics
9m 15s
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06. Basic discussion listing
13m 33s
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07. Pinning discussions
4m 1s
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08. Tackling pagination in Inertia
8m 23s
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09. Customising pagination text in Laravel
52s
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10. Showing a discussion
6m 4s
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11. Setting up discussion posts
5m 53s
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12. Listing through discussion posts
5m 28s
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13. Adding more data to posts
8m 24s
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14. Adding pagination to posts
1m 35s
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15. Adding a post preview to discussions
4m 52s
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16. Adding the last reply to discussions
5m 54s
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17. Outputting discussion participants
8m 4s
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18. Limiting participants in the UI
5m 56s
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19. Ordering discussions by last post
4m 30s
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20. Handling deleted users
2m 31s
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21. Counting replies
8m 13s
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22. Building our first filter
8m 31s
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23. Highlighting current filters, and merging with pagination
5m 37s
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24. Adding auth specific filters
6m 40s
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25. Adding the topic filter
8m 18s
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26. Scaffolding the new discussion form
13m 29s
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27. Toggling the create discussion form
9m 2s
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28. Keeping form state
4m 59s
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29. Storing a new discussion
11m 29s
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30. Discussion validation and authorization
5m 1s
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31. Generating markdown for posts
8m 37s
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32. Toggling the markdown preview
7m 43s
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33. Fetching and displaying markdown
8m 6s
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34. Adding a markdown shortcut toolbar
5m 53s
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35. Dealing with SVG icons
7m 46s
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36. Creating the reply form
7m 48s
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37. Basic Inertia permission checking
6m 26s
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38. Creating replies to discussions
5m 37s
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39. Jumping to posts
11m 40s
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40. Automatically scrolling to posts
6m 18s
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41. Toggling post editing
7m 32s
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42. Editing posts
3m 36s
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43. Deleting posts
4m 21s
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44. Deleting discussions
6m 7s
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45. Setting up for best answers
7m 29s
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46. Toggling the best discussion answer
12m 14s
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47. Solved and unsolved filters
2m 23s
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48. Indexing discussions for search
8m 6s
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49. Searching discussions
12m 35s
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50. Debouncing search
2m 47s
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51. Adding mentionable functionality to forms
6m 32s
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52. Indexing users for mentioning
9m 9s
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53. Hooking up users for mentions
10m 10s
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54. Detecting and storing mentioned users
9m 54s
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55. Adding the mentioned filter
2m 26s
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56. Adding mentions to the markdown toolbar
1m 1s
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57. Adding mentions to the reply form
7m 21s
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58. Fixing up some unauthenticated state
1m 1s
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59. Fixing up post scrolling
1m 48s
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60. Reviewing SSR (Server-side rendering)
8m 20s
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61. Preventing parent posts from being deleted
2m 31s
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62. Improving solution marking
4m 9s
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Transcript
00:00
Okay let's go ahead and look at an issue that we saw earlier and that is the
00:03
inability to delete an original post from a discussion. So at the moment if we head over to any of the discussions that we've created here we can actually delete the original post from this which kind of doesn't make sense we want this whole thing here to kind of be attached together so we can't delete the
00:22
original post. If we wanted to delete the overall discussion we could use this button just here. So we're really simply going to go ahead and update our authorization rule for our post just to make sure it does not belong to a discussion and we're also going to keep out our debug bar just to make sure we're
00:40
not making way too many queries here. Okay so I'm gonna go ahead and start a new discussion just to test this out so let's say delete test and we'll say delete test body let's go ahead and hook this up to a topic and here it is. So we want to get rid of this. I'm gonna go ahead and reply and just say here is a
00:58
reply and there we go. So let's head over and figure out how we are going to do this. So if we go over to our post policy we've got this delete method just here. If we look at our database really quickly over in post we actually know what a parent post is because we have this parent ID is set to null if that's
01:16
the case. So actually we don't really need to go back and check if this is the first post in a discussion by any kind of relationship we just want to add a condition to what we've already got. So we're gonna say that it needs to belong to the user which of course is really important and the post is not a parent.
01:33
Now I have a feeling we created a method out earlier we actually didn't. I think just doing this manually in here would be fine. So let's go ahead and say post parent ID and we want to make sure that this is null. So let's go ahead and wrap that on is null and to be honest that should be pretty much it. If we head over
01:52
now and give this a refresh yeah just making sure that that isn't null. There we go. So we can delete any of the posts inside this discussion now but we don't see the delete link for the original post and of course we have our authorization rules in place for deleting posts anyway so even if we try
02:13
to get around this it just would not work we wouldn't be able to perform that action. So there we go that's a really quick fix I'm just gonna head over to the post destroy controller and yeah we didn't add a comment in here so that's fine and there we go very quick fix by updating our authorization.
62 episodes•6 hrs 54 mins•1 year ago
Overview
Ready to build a forum with Inertia and Laravel?
Why a forum? A forum touches a whole load of concepts that you'll use throughout your development career – particularly on the client-side, where we'll be doing most of the heavy lifting.
So, let's build a clean, modern forum with features like markdown support, code highlighting, advanced filtering, user mentions, full-text search, the ability to mark best answers, and more.
Alex Garrett-Smith
Hey, I'm the founder of Codecourse!
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