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Decouple the different contexts from each other (#24786)

Browse source 
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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GPG key ID: 4AEE18F83AFDEB23
57 changed files with 885 additions and 781 deletions
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41
modules/context/repo.go
View file

@ -331,13 +331,14 @@ func EarlyResponseForGoGetMeta(ctx *Context) {
}
// RedirectToRepo redirect to a differently-named repository
func RedirectToRepo(ctx *Context, redirectRepoID int64) {
func RedirectToRepo(ctx *Base, redirectRepoID int64) {
ownerName := ctx.Params(":username")
previousRepoName := ctx.Params(":reponame")
repo, err := repo_model.GetRepositoryByID(ctx, redirectRepoID)
if err != nil {
ctx.ServerError("GetRepositoryByID", err)
log.Error("GetRepositoryByID: %v", err)
ctx.Error(http.StatusInternalServerError, "GetRepositoryByID")
return
}
@ -456,7 +457,7 @@ func RepoAssignment(ctx *Context) (cancel context.CancelFunc) {
}
if redirectUserID, err := user_model.LookupUserRedirect(userName); err == nil {
RedirectToUser(ctx, userName, redirectUserID)
RedirectToUser(ctx.Base, userName, redirectUserID)
} else if user_model.IsErrUserRedirectNotExist(err) {
ctx.NotFound("GetUserByName", nil)
} else {
@ -498,7 +499,7 @@ func RepoAssignment(ctx *Context) (cancel context.CancelFunc) {
if repo_model.IsErrRepoNotExist(err) {
redirectRepoID, err := repo_model.LookupRedirect(owner.ID, repoName)
if err == nil {
RedirectToRepo(ctx, redirectRepoID)
RedirectToRepo(ctx.Base, redirectRepoID)
} else if repo_model.IsErrRedirectNotExist(err) {
if ctx.FormString("go-get") == "1" {
EarlyResponseForGoGetMeta(ctx)
@ -781,46 +782,46 @@ func (rt RepoRefType) RefTypeIncludesTags() bool {
return false
}
func getRefNameFromPath(ctx *Context, path string, isExist func(string) bool) string {
func getRefNameFromPath(ctx *Base, repo *Repository, path string, isExist func(string) bool) string {
refName := ""
parts := strings.Split(path, "/")
for i, part := range parts {
refName = strings.TrimPrefix(refName+"/"+part, "/")
if isExist(refName) {
ctx.Repo.TreePath = strings.Join(parts[i+1:], "/")
repo.TreePath = strings.Join(parts[i+1:], "/")
return refName
}
}
return ""
}
func getRefName(ctx *Context, pathType RepoRefType) string {
func getRefName(ctx *Base, repo *Repository, pathType RepoRefType) string {
path := ctx.Params("*")
switch pathType {
case RepoRefLegacy, RepoRefAny:
if refName := getRefName(ctx, RepoRefBranch); len(refName) > 0 {
if refName := getRefName(ctx, repo, RepoRefBranch); len(refName) > 0 {
return refName
}
if refName := getRefName(ctx, RepoRefTag); len(refName) > 0 {
if refName := getRefName(ctx, repo, RepoRefTag); len(refName) > 0 {
return refName
}
// For legacy and API support only full commit sha
parts := strings.Split(path, "/")
if len(parts) > 0 && len(parts[0]) == git.SHAFullLength {
ctx.Repo.TreePath = strings.Join(parts[1:], "/")
repo.TreePath = strings.Join(parts[1:], "/")
return parts[0]
}
if refName := getRefName(ctx, RepoRefBlob); len(refName) > 0 {
if refName := getRefName(ctx, repo, RepoRefBlob); len(refName) > 0 {
return refName
}
ctx.Repo.TreePath = path
return ctx.Repo.Repository.DefaultBranch
repo.TreePath = path
return repo.Repository.DefaultBranch
case RepoRefBranch:
ref := getRefNameFromPath(ctx, path, ctx.Repo.GitRepo.IsBranchExist)
ref := getRefNameFromPath(ctx, repo, path, repo.GitRepo.IsBranchExist)
if len(ref) == 0 {
// maybe it's a renamed branch
return getRefNameFromPath(ctx, path, func(s string) bool {
b, exist, err := git_model.FindRenamedBranch(ctx, ctx.Repo.Repository.ID, s)
return getRefNameFromPath(ctx, repo, path, func(s string) bool {
b, exist, err := git_model.FindRenamedBranch(ctx, repo.Repository.ID, s)
if err != nil {
log.Error("FindRenamedBranch", err)
return false
@ -839,15 +840,15 @@ func getRefName(ctx *Context, pathType RepoRefType) string {
return ref
case RepoRefTag:
return getRefNameFromPath(ctx, path, ctx.Repo.GitRepo.IsTagExist)
return getRefNameFromPath(ctx, repo, path, repo.GitRepo.IsTagExist)
case RepoRefCommit:
parts := strings.Split(path, "/")
if len(parts) > 0 && len(parts[0]) >= 7 && len(parts[0]) <= git.SHAFullLength {
ctx.Repo.TreePath = strings.Join(parts[1:], "/")
repo.TreePath = strings.Join(parts[1:], "/")
return parts[0]
}
case RepoRefBlob:
_, err := ctx.Repo.GitRepo.GetBlob(path)
_, err := repo.GitRepo.GetBlob(path)
if err != nil {
return ""
}
@ -922,7 +923,7 @@ func RepoRefByType(refType RepoRefType, ignoreNotExistErr ...bool) func(*Context
}
ctx.Repo.IsViewBranch = true
} else {
refName = getRefName(ctx, refType)
refName = getRefName(ctx.Base, ctx.Repo, refType)
ctx.Repo.RefName = refName
isRenamedBranch, has := ctx.Data["IsRenamedBranch"].(bool)
if isRenamedBranch && has {