Fix get reviewers' bug (#32415) (#32616)

This PR rewrites `GetReviewer` function and move it to service layer.

Reviewers should not be watchers, so that this PR removed all watchers
from reviewers. When the repository is under an organization, the pull
request unit read permission will be checked to resolve the bug of

Fix #32394
Backport #32415

1 files changed, 0 insertions, 52 deletions

diff --git a/models/repo/user_repo.go b/models/repo/user_repo.go
index ecc9216950..a9b1360df1 100644
--- a/models/repo/user_repo.go
+++ b/models/repo/user_repo.go
@@ -11,7 +11,6 @@ import (
 	"code.gitea.io/gitea/models/unit"
 	user_model "code.gitea.io/gitea/models/user"
 	"code.gitea.io/gitea/modules/container"
-	api "code.gitea.io/gitea/modules/structs"
 
 	"xorm.io/builder"
 )
@@ -146,57 +145,6 @@ func GetRepoAssignees(ctx context.Context, repo *Repository) (_ []*user_model.Us
 	return users, nil
 }
 
-// GetReviewers get all users can be requested to review:
-// * for private repositories this returns all users that have read access or higher to the repository.
-// * for public repositories this returns all users that have read access or higher to the repository,
-// all repo watchers and all organization members.
-// TODO: may be we should have a busy choice for users to block review request to them.
-func GetReviewers(ctx context.Context, repo *Repository, doerID, posterID int64) ([]*user_model.User, error) {
-	// Get the owner of the repository - this often already pre-cached and if so saves complexity for the following queries
-	if err := repo.LoadOwner(ctx); err != nil {
-		return nil, err
-	}
-
-	cond := builder.And(builder.Neq{"`user`.id": posterID}).
-		And(builder.Eq{"`user`.is_active": true})
-
-	if repo.IsPrivate || repo.Owner.Visibility == api.VisibleTypePrivate {
-		// This a private repository:
-		// Anyone who can read the repository is a requestable reviewer
-
-		cond = cond.And(builder.In("`user`.id",
-			builder.Select("user_id").From("access").Where(
-				builder.Eq{"repo_id": repo.ID}.
-					And(builder.Gte{"mode": perm.AccessModeRead}),
-			),
-		))
-
-		if repo.Owner.Type == user_model.UserTypeIndividual && repo.Owner.ID != posterID {
-			// as private *user* repos don't generate an entry in the `access` table,
-			// the owner of a private repo needs to be explicitly added.
-			cond = cond.Or(builder.Eq{"`user`.id": repo.Owner.ID})
-		}
-	} else {
-		// This is a "public" repository:
-		// Any user that has read access, is a watcher or organization member can be requested to review
-		cond = cond.And(builder.And(builder.In("`user`.id",
-			builder.Select("user_id").From("access").
-				Where(builder.Eq{"repo_id": repo.ID}.
-					And(builder.Gte{"mode": perm.AccessModeRead})),
-		).Or(builder.In("`user`.id",
-			builder.Select("user_id").From("watch").
-				Where(builder.Eq{"repo_id": repo.ID}.
-					And(builder.In("mode", WatchModeNormal, WatchModeAuto))),
-		).Or(builder.In("`user`.id",
-			builder.Select("uid").From("org_user").
-				Where(builder.Eq{"org_id": repo.OwnerID}),
-		)))))
-	}
-
-	users := make([]*user_model.User, 0, 8)
-	return users, db.GetEngine(ctx).Where(cond).OrderBy(user_model.GetOrderByName()).Find(&users)
-}
-
 // GetIssuePostersWithSearch returns users with limit of 30 whose username started with prefix that have authored an issue/pull request for the given repository
 // If isShowFullName is set to true, also include full name prefix search
 func GetIssuePostersWithSearch(ctx context.Context, repo *Repository, isPull bool, search string, isShowFullName bool) ([]*user_model.User, error) {