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Introduce htmx and use it to avoid full page load on Subscribe and Follow (#28908)

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- Closes https://github.com/go-gitea/gitea/issues/28880

This change introduces htmx with the hope we could use it to make Gitea
more reactive while keeping our "HTML rendered on the server" approach.

- Add `htmx.js` that imports `htmx.org` and initializes error toasts
- Place `hx-headers='{"x-csrf-token": "{{.CsrfToken}}"}'` on the
`<body>` tag so every request that htmx sends is authenticated
- Place `hx-swap="outerHTML"` on the `<body>` tag so the response of
each htmx request replaces the tag it targets (as opposed to its inner
content)
- Place `hx-push-url="false"` on the `<body>` tag so no changes to the
URL happen in `<form>` tags
- Add the `is-loading` class during request

### Error toasts in action


![errors](https://github.com/go-gitea/gitea/assets/20454870/181a1beb-1cb8-4858-abe8-fa1fc3f5b8f3)

## Don't do a full page load when clicking the subscribe button
- Refactor the form around the subscribe button into its own template
- Use htmx to perform the form submission
- `hx-boost="true"` to prevent the default form submission behavior of a
full page load
- `hx-sync="this:replace"` to replace the current request (in case the
button is clicked again before the response is returned)
  - `hx-target="this"` to replace the form tag with the new form tag
- Change the backend response to return a `<form>` tag instead of a
redirect to the issue page

### Before


![subscribe_before](https://github.com/go-gitea/gitea/assets/20454870/cb2439a2-c3c0-425c-8d3c-5d646b1cdc28)

### After


![subscribe_after](https://github.com/go-gitea/gitea/assets/20454870/6fcd77d8-7b11-40b0-af4f-b152aaad787c)

## Don't do a full page load when clicking the follow button
- Use htmx to perform the button request
- `hx-post="{{.ContextUser.HomeLink}}?action=follow"` to send a POST
request to follow the user
- `hx-target="#profile-avatar-card"` to target the card div for
replacement
- `hx-indicator="#profile-avatar-card"` to place the loading indicator
on the card
- Change the backend response to return a `<div>` tag (the card) instead
of a redirect to the user page

### Before


![follow_before](https://github.com/go-gitea/gitea/assets/20454870/a210b643-6e74-4ff9-8e61-d658c62edf1f)

### After


![follow_after](https://github.com/go-gitea/gitea/assets/20454870/5bb19ae9-0d59-4ae3-b538-4c83334e4722)

---------

Signed-off-by: Yarden Shoham <git@yardenshoham.com>
Co-authored-by: 6543 <m.huber@kithara.com>
Co-authored-by: Giteabot <teabot@gitea.io>
This commit is contained in:
Yarden Shoham
2024-01-30 16:45:54 +02:00
committed by GitHub
parent 27d4c11ec3
commit 3e8414179c
11 changed files with 62 additions and 21 deletions
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8
templates/shared/user/profile_big_avatar.tmpl
View File

@@ -1,4 +1,4 @@
<div class="ui card">
<div id="profile-avatar-card" class="ui card">
<div id="profile-avatar" class="content gt-df">
{{if eq .SignedUserID .ContextUser.ID}}
<a class="image" href="{{AppSubUrl}}/user/settings" data-tooltip-content="{{ctx.Locale.Tr "user.change_avatar"}}">
@@ -110,13 +110,13 @@
</li>
{{end}}
{{if and .IsSigned (ne .SignedUserID .ContextUser.ID)}}
<li class="follow">
<li class="follow" hx-target="#profile-avatar-card" hx-indicator="#profile-avatar-card" >
{{if $.IsFollowing}}
<button class="ui basic red button link-action" data-url="{{.ContextUser.HomeLink}}?action=unfollow">
<button hx-post="{{.ContextUser.HomeLink}}?action=unfollow" class="ui basic red button">
{{svg "octicon-person"}} {{ctx.Locale.Tr "user.unfollow"}}
</button>
{{else}}
<button class="ui basic primary button link-action" data-url="{{.ContextUser.HomeLink}}?action=follow">
<button hx-post="{{.ContextUser.HomeLink}}?action=follow" class="ui basic primary button">
{{svg "octicon-person"}} {{ctx.Locale.Tr "user.follow"}}
</button>
{{end}}