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Make web context initialize correctly for different cases (#26726)

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The web context (modules/context.Context) is quite complex, it's
difficult for the callers to initialize correctly.

This PR introduces a `NewWebContext` function, to make sure the web
context have the same behavior for different cases.
This commit is contained in:
wxiaoguang
2023-08-25 19:07:42 +08:00
committed by GitHub
parent ee9e83b230
commit 412e5c0946
11 changed files with 50 additions and 54 deletions
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41
modules/context/context.go
View File

@@ -107,6 +107,29 @@ func GetValidateContext(req *http.Request) (ctx *ValidateContext) {
return ctx
}
func NewTemplateContextForWeb(ctx *Context) TemplateContext {
tmplCtx := NewTemplateContext(ctx)
tmplCtx["Locale"] = ctx.Base.Locale
tmplCtx["AvatarUtils"] = templates.NewAvatarUtils(ctx)
return tmplCtx
}
func NewWebContext(base *Base, render Render, session session.Store) *Context {
ctx := &Context{
Base: base,
Render: render,
Session: session,
Cache: mc.GetCache(),
Link: setting.AppSubURL + strings.TrimSuffix(base.Req.URL.EscapedPath(), "/"),
Repo: &Repository{PullRequest: &PullRequest{}},
Org: &Organization{},
}
ctx.TemplateContext = NewTemplateContextForWeb(ctx)
ctx.Flash = &middleware.Flash{DataStore: ctx, Values: url.Values{}}
return ctx
}
// Contexter initializes a classic context for a request.
func Contexter() func(next http.Handler) http.Handler {
rnd := templates.HTMLRenderer()
@@ -127,21 +150,8 @@ func Contexter() func(next http.Handler) http.Handler {
return func(next http.Handler) http.Handler {
return http.HandlerFunc(func(resp http.ResponseWriter, req *http.Request) {
base, baseCleanUp := NewBaseContext(resp, req)
ctx := &Context{
Base: base,
Cache: mc.GetCache(),
Link: setting.AppSubURL + strings.TrimSuffix(req.URL.EscapedPath(), "/"),
Render: rnd,
Session: session.GetSession(req),
Repo: &Repository{PullRequest: &PullRequest{}},
Org: &Organization{},
}
defer baseCleanUp()
// TODO: "install.go" also shares the same logic, which should be refactored to a general function
ctx.TemplateContext = NewTemplateContext(ctx)
ctx.TemplateContext["Locale"] = ctx.Locale
ctx.TemplateContext["AvatarUtils"] = templates.NewAvatarUtils(ctx)
ctx := NewWebContext(base, rnd, session.GetSession(req))
ctx.Data.MergeFrom(middleware.CommonTemplateContextData())
ctx.Data["Context"] = ctx // TODO: use "ctx" in template and remove this
@@ -172,8 +182,7 @@ func Contexter() func(next http.Handler) http.Handler {
}
}
// prepare an empty Flash message for current request
ctx.Flash = &middleware.Flash{DataStore: ctx, Values: url.Values{}}
// if there are new messages in the ctx.Flash, write them into cookie
ctx.Resp.Before(func(resp ResponseWriter) {
if val := ctx.Flash.Encode(); val != "" {
middleware.SetSiteCookie(ctx.Resp, CookieNameFlash, val, 0)

6
modules/context/package.go
View File

@@ -154,12 +154,10 @@ func PackageContexter() func(next http.Handler) http.Handler {
return func(next http.Handler) http.Handler {
return http.HandlerFunc(func(resp http.ResponseWriter, req *http.Request) {
base, baseCleanUp := NewBaseContext(resp, req)
ctx := &Context{
Base: base,
Render: renderer, // it is still needed when rendering 500 page in a package handler
}
defer baseCleanUp()
// it is still needed when rendering 500 page in a package handler
ctx := NewWebContext(base, renderer, nil)
ctx.Base.AppendContextValue(WebContextKey, ctx)
next.ServeHTTP(ctx.Resp, ctx.Req)
})