Move issues related files into models/issues (#19931)

* Move access and repo permission to models/perm/access

* fix test

* fix git test

* Move functions sequence

* Some improvements per @KN4CK3R and @delvh

* Move issues related code to models/issues

* Move some issues related sub package

* Merge

* Fix test

* Fix test

* Fix test

* Fix test

* Rename some files

1 files changed, 0 insertions, 86 deletions

diff --git a/models/issue_user.go b/models/issue_user.go
deleted file mode 100644
index 19c64094a1..0000000000
--- a/models/issue_user.go
+++ /dev/null
@@ -1,86 +0,0 @@
-// Copyright 2017 The Gitea Authors. All rights reserved.
-// Use of this source code is governed by a MIT-style
-// license that can be found in the LICENSE file.
-
-package models
-
-import (
-	"context"
-	"fmt"
-
-	"code.gitea.io/gitea/models/db"
-	repo_model "code.gitea.io/gitea/models/repo"
-)
-
-// IssueUser represents an issue-user relation.
-type IssueUser struct {
-	ID          int64 `xorm:"pk autoincr"`
-	UID         int64 `xorm:"INDEX"` // User ID.
-	IssueID     int64
-	IsRead      bool
-	IsMentioned bool
-}
-
-func init() {
-	db.RegisterModel(new(IssueUser))
-}
-
-func newIssueUsers(ctx context.Context, repo *repo_model.Repository, issue *Issue) error {
-	assignees, err := repo_model.GetRepoAssignees(ctx, repo)
-	if err != nil {
-		return fmt.Errorf("getAssignees: %v", err)
-	}
-
-	// Poster can be anyone, append later if not one of assignees.
-	isPosterAssignee := false
-
-	// Leave a seat for poster itself to append later, but if poster is one of assignee
-	// and just waste 1 unit is cheaper than re-allocate memory once.
-	issueUsers := make([]*IssueUser, 0, len(assignees)+1)
-	for _, assignee := range assignees {
-		issueUsers = append(issueUsers, &IssueUser{
-			IssueID: issue.ID,
-			UID:     assignee.ID,
-		})
-		isPosterAssignee = isPosterAssignee || assignee.ID == issue.PosterID
-	}
-	if !isPosterAssignee {
-		issueUsers = append(issueUsers, &IssueUser{
-			IssueID: issue.ID,
-			UID:     issue.PosterID,
-		})
-	}
-
-	return db.Insert(ctx, issueUsers)
-}
-
-// UpdateIssueUserByRead updates issue-user relation for reading.
-func UpdateIssueUserByRead(uid, issueID int64) error {
-	_, err := db.GetEngine(db.DefaultContext).Exec("UPDATE `issue_user` SET is_read=? WHERE uid=? AND issue_id=?", true, uid, issueID)
-	return err
-}
-
-// UpdateIssueUsersByMentions updates issue-user pairs by mentioning.
-func UpdateIssueUsersByMentions(ctx context.Context, issueID int64, uids []int64) error {
-	for _, uid := range uids {
-		iu := &IssueUser{
-			UID:     uid,
-			IssueID: issueID,
-		}
-		has, err := db.GetEngine(ctx).Get(iu)
-		if err != nil {
-			return err
-		}
-
-		iu.IsMentioned = true
-		if has {
-			_, err = db.GetEngine(ctx).ID(iu.ID).Cols("is_mentioned").Update(iu)
-		} else {
-			_, err = db.GetEngine(ctx).Insert(iu)
-		}
-		if err != nil {
-			return err
-		}
-	}
-	return nil
-}