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Decouple the different contexts from each other (#24786)

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Replace #16455

Close #21803

Mixing different Gitea contexts together causes some problems:

1. Unable to respond proper content when error occurs, eg: Web should
respond HTML while API should respond JSON
2. Unclear dependency, eg: it's unclear when Context is used in
APIContext, which fields should be initialized, which methods are
necessary.


To make things clear, this PR introduces a Base context, it only
provides basic Req/Resp/Data features.

This PR mainly moves code. There are still many legacy problems and
TODOs in code, leave unrelated changes to future PRs.
This commit is contained in:
wxiaoguang 2023-05-21 09:50:53 +08:00 • committed by GitHub
parent 6ba4f89723
commit 6b33152b7d
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57 changed files with 885 additions and 781 deletions
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13
modules/context/response.go
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@ -10,10 +10,9 @@ import (
// ResponseWriter represents a response writer for HTTP
type ResponseWriter interface {
http.ResponseWriter
Flush()
http.Flusher
Status() int
Before(func(ResponseWriter))
Size() int
}
var _ ResponseWriter = &Response{}
@ -27,11 +26,6 @@ type Response struct {
beforeExecuted bool
}
// Size return written size
func (r *Response) Size() int {
return r.written
}
// Write writes bytes to HTTP endpoint
func (r *Response) Write(bs []byte) (int, error) {
if !r.beforeExecuted {
@ -65,7 +59,7 @@ func (r *Response) WriteHeader(statusCode int) {
}
}
// Flush flush cached data
// Flush flushes cached data
func (r *Response) Flush() {
if f, ok := r.ResponseWriter.(http.Flusher); ok {
f.Flush()
@ -83,8 +77,7 @@ func (r *Response) Before(f func(ResponseWriter)) {
r.befores = append(r.befores, f)
}
// NewResponse creates a response
func NewResponse(resp http.ResponseWriter) *Response {
func WrapResponseWriter(resp http.ResponseWriter) *Response {
if v, ok := resp.(*Response); ok {
return v
}