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Excellent work! But I thinks this chart will be more useful if there will be short description about each callback method: what it does, what arguments it consume and what result should be returned.
That's better looking than my diagram. However I was hoping to be able to convert from dia to svg with css styling in the middle, to make it looks better than what dia exports. Do you know how to do that?
*.dia can converted to *.jpg, *.svg and many other types.
Maybe you can use css after render svg in browser.
Also miss some callback (variances/2).
Need some way to show "default way". Сan more fat arrows?
Replace .png with .svg
I'll probably include that and try to make css stuff later, bigger fishes to fry etc. I'll merge the few changes mentioned in other PRs before finally merging this, so you'll have a little more work updating it. :) Keep you posted.
I've started merging the changes. Will continue over the next few days.
I need add #289, #353, #296. I made this In weekend.
Take your time. :)
There'll be a few more tomorrow most likely.
Everything for 0.8 should be in.
@essen I update diagram. I hope nothing is missed.
Not sure what happens below the if POST, the one that's below if DELETE, if PATCH etc.
@essen Do you mean that the intersection is not clear where to go?
Yeah. No idea what happens there.
@essen I removed the intersection. Hope this help.
All headers are lowercase in diagram
I think I'll just link to the PR in the guide for now. Want to release 0.8 on Monday and there's still REST changes to be done after 0.8 so no rush on getting this actually merged.
Ok. I will keep it up to date.
I have put a link to this PR in the guide.
Done the POST changes.
How's the state of the REST handler? Is it under heavy development or stable?
It's in the process of being documented. Last API breaking changes should be in now.
Great news. Keep up the good work.
I think we should have one diagram per method type instead of trying to push everything in one.
So we could have a diagram for OPTIONS, a diagram for HEAD/GET, a diagram for POST/PATCH/PUT and a diagram for DELETE.
This should make it clearer what each operation does and what routes it can take. This does mean more work for you though. Think you can handle it? There's one fix I need to do for POST and we should be good API wise.
What about common element for all diagrams, they will copy to all diagram?
I will wait #424 then start make POST method. In next weekend I will do other methods.
Let's see one like this but I think the beginning part will be cut into its own diagram. I'll push #424 later today.
Pushed 711c21a. Hope that's good.
If you have free time this weekend we can work on it together. Otherwise I'll probably do it directly based on your work.
I think they should be top to bottom (easier to inline in the documentation or in other materials), and there should be these different diagrams:
Below each diagram I will put a detailed explanation, so OPTIONS would be explained under the first diagram.
What do you think?
Okay. I plan to start work on Beginning part + HEAD and GET tomorow. If it not hard also continue and try to make POST/PATCH/PUT.
I made all diagram. Please review and say what you think.
You went too far for the beginning diagram, should stop right after variances. You have a test for GET there after and you shouldn't, it should only appear on the GET diagram.
But POST/PUT/PATCH also can path that way. And then have some separate way based on what way they come. Or I miss some thing?
The beginning is a straight line, the rest varies depending on the request and the resource definition. Can't really explain the extra part you put there without looking at the other diagrams.
Ok. should I remove If-Match and e.t.c. check in begining diagram and repeat it on each method diagram?
Yep, all others should start with resource_exists.
Add diagram for rest
Make some correction. Now I think this is final version.
Cant see the diagram?
GitHab return all file from raw.* with "Content-Type: text/plain". And you see text.
Save file on disk and open it with your browser and you will able to see diagram.
Current plans: do the better HTTP part of the guide the coming week, then start the REST part the week after. I'll be looking into adding the diagrams then. However I am looking for a solution that allows easier modifications than with Dia (especially don't want to manually move things around) but that's still pretty, so this is why I haven't merged yet. Thanks for your patience!
If you know a better tool for diagram, I am happy to remake diagram using it.
Maybe [DOT](http://en.wikipedia.org/wiki/DOT_(graph_description_language\)) will satisfy some requirement.
I looked at dot before but it's not perfect. I'm gonna look harder right now and try things out.
I've started reworking the beginning part of the diagram. I'm experimenting with the SVG format directly which, while not perfect, seems to be very good for making the image look like a structured document with many reusable parts. I will continue doing that and since you have done most of the work I will make them available so you can commit them and get the credit for the commit.
Well this is SVG+CSS but the CSS is inside the SVG so it's still just one file.
Any news. May be I can help somehow?
how to download the flow diagram
You can select "View file" in "File changes" and then press "Raw" button. After that choise "File -> Save as ..." in your browser.
Or right click on link and select "Save Link as ...":
I want to give you a huge thank you for the work you have done here. Even if I didn't end up using it, it proved insanely useful as a temporary resource for people who needed it. Thank you!
I went with plain SVG with Inkscape (same as the small flowchart I did months ago). I'm only adding them now because, well, I finally found the motivation to get through this.
I ended up doing more diagrams than we discussed also.
The diagrams have been added to the repository in both svg and png format. A stub chapter has been added for now, I'm a bit tired to add explanations at the moment. https://github.com/extend/cowboy/blob/master/guide/rest_flowcharts.md
If you find any error, please open a new ticket! Or send a patch (of the SVG only, I'll export the PNG afterwards).
So again, HUGE thanks! Closing this! Thanks!
I can't find the rest_flowcharts on the website. Am I doing something wrong?
Forgive me! I was looking on the cowboy_rest documentation. I somehow thought it should be there or have a link there. Ignore me
Add diagram for rest