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, 131 deletions

diff --git a/models/issue_dependency.go b/models/issue_dependency.go
deleted file mode 100644
index af40aa45d3..0000000000
--- a/models/issue_dependency.go
+++ /dev/null
@@ -1,131 +0,0 @@
-// Copyright 2018 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"
-
-	"code.gitea.io/gitea/models/db"
-	user_model "code.gitea.io/gitea/models/user"
-	"code.gitea.io/gitea/modules/timeutil"
-)
-
-// IssueDependency represents an issue dependency
-type IssueDependency struct {
-	ID           int64              `xorm:"pk autoincr"`
-	UserID       int64              `xorm:"NOT NULL"`
-	IssueID      int64              `xorm:"UNIQUE(issue_dependency) NOT NULL"`
-	DependencyID int64              `xorm:"UNIQUE(issue_dependency) NOT NULL"`
-	CreatedUnix  timeutil.TimeStamp `xorm:"created"`
-	UpdatedUnix  timeutil.TimeStamp `xorm:"updated"`
-}
-
-func init() {
-	db.RegisterModel(new(IssueDependency))
-}
-
-// DependencyType Defines Dependency Type Constants
-type DependencyType int
-
-// Define Dependency Types
-const (
-	DependencyTypeBlockedBy DependencyType = iota
-	DependencyTypeBlocking
-)
-
-// CreateIssueDependency creates a new dependency for an issue
-func CreateIssueDependency(user *user_model.User, issue, dep *Issue) error {
-	ctx, committer, err := db.TxContext()
-	if err != nil {
-		return err
-	}
-	defer committer.Close()
-
-	// Check if it aleready exists
-	exists, err := issueDepExists(ctx, issue.ID, dep.ID)
-	if err != nil {
-		return err
-	}
-	if exists {
-		return ErrDependencyExists{issue.ID, dep.ID}
-	}
-	// And if it would be circular
-	circular, err := issueDepExists(ctx, dep.ID, issue.ID)
-	if err != nil {
-		return err
-	}
-	if circular {
-		return ErrCircularDependency{issue.ID, dep.ID}
-	}
-
-	if err := db.Insert(ctx, &IssueDependency{
-		UserID:       user.ID,
-		IssueID:      issue.ID,
-		DependencyID: dep.ID,
-	}); err != nil {
-		return err
-	}
-
-	// Add comment referencing the new dependency
-	if err = createIssueDependencyComment(ctx, user, issue, dep, true); err != nil {
-		return err
-	}
-
-	return committer.Commit()
-}
-
-// RemoveIssueDependency removes a dependency from an issue
-func RemoveIssueDependency(user *user_model.User, issue, dep *Issue, depType DependencyType) (err error) {
-	ctx, committer, err := db.TxContext()
-	if err != nil {
-		return err
-	}
-	defer committer.Close()
-
-	var issueDepToDelete IssueDependency
-
-	switch depType {
-	case DependencyTypeBlockedBy:
-		issueDepToDelete = IssueDependency{IssueID: issue.ID, DependencyID: dep.ID}
-	case DependencyTypeBlocking:
-		issueDepToDelete = IssueDependency{IssueID: dep.ID, DependencyID: issue.ID}
-	default:
-		return ErrUnknownDependencyType{depType}
-	}
-
-	affected, err := db.GetEngine(ctx).Delete(&issueDepToDelete)
-	if err != nil {
-		return err
-	}
-
-	// If we deleted nothing, the dependency did not exist
-	if affected <= 0 {
-		return ErrDependencyNotExists{issue.ID, dep.ID}
-	}
-
-	// Add comment referencing the removed dependency
-	if err = createIssueDependencyComment(ctx, user, issue, dep, false); err != nil {
-		return err
-	}
-	return committer.Commit()
-}
-
-// Check if the dependency already exists
-func issueDepExists(ctx context.Context, issueID, depID int64) (bool, error) {
-	return db.GetEngine(ctx).Where("(issue_id = ? AND dependency_id = ?)", issueID, depID).Exist(&IssueDependency{})
-}
-
-// IssueNoDependenciesLeft checks if issue can be closed
-func IssueNoDependenciesLeft(ctx context.Context, issue *Issue) (bool, error) {
-	exists, err := db.GetEngine(ctx).
-		Table("issue_dependency").
-		Select("issue.*").
-		Join("INNER", "issue", "issue.id = issue_dependency.dependency_id").
-		Where("issue_dependency.issue_id = ?", issue.ID).
-		And("issue.is_closed = ?", "0").
-		Exist(&Issue{})
-
-	return !exists, err
-}