To avoid duplicated load of the same data in an HTTP request, we can set
a context cache to do that. i.e. Some pages may load a user from a
database with the same id in different areas on the same page. But the
code is hidden in two different deep logic. How should we share the
user? As a result of this PR, now if both entry functions accept
`context.Context` as the first parameter and we just need to refactor
`GetUserByID` to reuse the user from the context cache. Then it will not
be loaded twice on an HTTP request.
But of course, sometimes we would like to reload an object from the
database, that's why `RemoveContextData` is also exposed.
The core context cache is here. It defines a new context
```go
type cacheContext struct {
ctx context.Context
data map[any]map[any]any
lock sync.RWMutex
}
var cacheContextKey = struct{}{}
func WithCacheContext(ctx context.Context) context.Context {
return context.WithValue(ctx, cacheContextKey, &cacheContext{
ctx: ctx,
data: make(map[any]map[any]any),
})
}
```
Then you can use the below 4 methods to read/write/del the data within
the same context.
```go
func GetContextData(ctx context.Context, tp, key any) any
func SetContextData(ctx context.Context, tp, key, value any)
func RemoveContextData(ctx context.Context, tp, key any)
func GetWithContextCache[T any](ctx context.Context, cacheGroupKey string, cacheTargetID any, f func() (T, error)) (T, error)
```
Then let's take a look at how `system.GetString` implement it.
```go
func GetSetting(ctx context.Context, key string) (string, error) {
return cache.GetWithContextCache(ctx, contextCacheKey, key, func() (string, error) {
return cache.GetString(genSettingCacheKey(key), func() (string, error) {
res, err := GetSettingNoCache(ctx, key)
if err != nil {
return "", err
}
return res.SettingValue, nil
})
})
}
```
First, it will check if context data include the setting object with the
key. If not, it will query from the global cache which may be memory or
a Redis cache. If not, it will get the object from the database. In the
end, if the object gets from the global cache or database, it will be
set into the context cache.
An object stored in the context cache will only be destroyed after the
context disappeared.
Original Issue: https://github.com/go-gitea/gitea/issues/22102
This addition would be a big benefit for design and art teams using the
issue tracking.
The preview will be the latest "image type" attachments on an issue-
simple, and allows for automatic updates of the cover image as issue
progress is made!
This would make Gitea competitive with Trello... wouldn't it be amazing
to say goodbye to Atlassian products? Ha.
First image is the most recent, the SQL will fetch up to 5 latest images
(URL string).
All images supported by browsers plus upcoming formats: *.avif *.bmp
*.gif *.jpg *.jpeg *.jxl *.png *.svg *.webp
The CSS will try to center-align images until it cannot, then it will
left align with overflow hidden. Single images get to be slightly
larger!
Tested so far on: Chrome, Firefox, Android Chrome, Android Firefox.
Current revision with light and dark themes:
---------
Co-authored-by: Jason Song <i@wolfogre.com>
Co-authored-by: Lunny Xiao <xiaolunwen@gmail.com>
Co-authored-by: delvh <dev.lh@web.de>
* Refactor `i18n` to `locale`
- Currently we're using the `i18n` variable naming for the `locale`
struct. This contains locale's specific information and cannot be used
for general i18n purpose, therefore refactoring it to `locale` makes
more sense.
- Ref: https://github.com/go-gitea/gitea/pull/20096#discussion_r906699200
* Update routers/install/install.go
* Fix truncated organization names
Previous ellipsis implementation hid vertical overflow - image + descent line of letters.
Organization visibility in select on dashboard was not always visible.
This commit extracts classes which don't make collisions with other items on page.
* Direct avatar rendering
This adds new template helpers for avatar rendering which output image
elements with direct links to avatars which makes them cacheable by the
browsers.
This should be a major performance improvment for pages with many avatars.
* fix avatars of other user's profile pages
* fix top border on user avatar name
* uncircle avatars
* remove old incomplete avatar selector
* use title attribute for name and add it back on blame
* minor refactor
* tweak comments
* fix url path join and adjust test to new result
* dedupe functions
* Add class to page content to unify top margin
Previously pages would individually set this margin but some didn't so
content would stick to the header without any space. Resolve this by
adding a new class that is added on all pages. The only place where we
remove this margin again is on the pages with menu or wrapper in the
header.
* fix admin notices
* fix team pages
* fix loading segment on gitgraph for arc-green
* fix last missing case
Co-authored-by: techknowlogick <techknowlogick@gitea.io>
Lunny Xiao
