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131 lines
3.5 KiB
131 lines
3.5 KiB
// Copyright 2018 The Gitea Authors. All rights reserved.
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// Use of this source code is governed by a MIT-style
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// license that can be found in the LICENSE file.
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package models
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import (
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"context"
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"code.gitea.io/gitea/models/db"
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user_model "code.gitea.io/gitea/models/user"
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"code.gitea.io/gitea/modules/timeutil"
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)
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// IssueDependency represents an issue dependency
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type IssueDependency struct {
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ID int64 `xorm:"pk autoincr"`
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UserID int64 `xorm:"NOT NULL"`
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IssueID int64 `xorm:"UNIQUE(issue_dependency) NOT NULL"`
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DependencyID int64 `xorm:"UNIQUE(issue_dependency) NOT NULL"`
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CreatedUnix timeutil.TimeStamp `xorm:"created"`
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UpdatedUnix timeutil.TimeStamp `xorm:"updated"`
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}
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func init() {
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db.RegisterModel(new(IssueDependency))
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}
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// DependencyType Defines Dependency Type Constants
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type DependencyType int
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// Define Dependency Types
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const (
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DependencyTypeBlockedBy DependencyType = iota
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DependencyTypeBlocking
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)
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// CreateIssueDependency creates a new dependency for an issue
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func CreateIssueDependency(user *user_model.User, issue, dep *Issue) error {
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ctx, committer, err := db.TxContext()
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if err != nil {
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return err
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}
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defer committer.Close()
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// Check if it aleready exists
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exists, err := issueDepExists(ctx, issue.ID, dep.ID)
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if err != nil {
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return err
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}
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if exists {
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return ErrDependencyExists{issue.ID, dep.ID}
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}
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// And if it would be circular
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circular, err := issueDepExists(ctx, dep.ID, issue.ID)
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if err != nil {
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return err
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}
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if circular {
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return ErrCircularDependency{issue.ID, dep.ID}
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}
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if err := db.Insert(ctx, &IssueDependency{
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UserID: user.ID,
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IssueID: issue.ID,
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DependencyID: dep.ID,
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}); err != nil {
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return err
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}
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// Add comment referencing the new dependency
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if err = createIssueDependencyComment(ctx, user, issue, dep, true); err != nil {
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return err
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}
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return committer.Commit()
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}
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// RemoveIssueDependency removes a dependency from an issue
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func RemoveIssueDependency(user *user_model.User, issue, dep *Issue, depType DependencyType) (err error) {
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ctx, committer, err := db.TxContext()
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if err != nil {
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return err
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}
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defer committer.Close()
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var issueDepToDelete IssueDependency
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switch depType {
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case DependencyTypeBlockedBy:
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issueDepToDelete = IssueDependency{IssueID: issue.ID, DependencyID: dep.ID}
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case DependencyTypeBlocking:
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issueDepToDelete = IssueDependency{IssueID: dep.ID, DependencyID: issue.ID}
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default:
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return ErrUnknownDependencyType{depType}
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}
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affected, err := db.GetEngine(ctx).Delete(&issueDepToDelete)
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if err != nil {
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return err
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}
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// If we deleted nothing, the dependency did not exist
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if affected <= 0 {
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return ErrDependencyNotExists{issue.ID, dep.ID}
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}
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// Add comment referencing the removed dependency
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if err = createIssueDependencyComment(ctx, user, issue, dep, false); err != nil {
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return err
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}
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return committer.Commit()
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}
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// Check if the dependency already exists
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func issueDepExists(ctx context.Context, issueID, depID int64) (bool, error) {
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return db.GetEngine(ctx).Where("(issue_id = ? AND dependency_id = ?)", issueID, depID).Exist(&IssueDependency{})
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}
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// IssueNoDependenciesLeft checks if issue can be closed
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func IssueNoDependenciesLeft(ctx context.Context, issue *Issue) (bool, error) {
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exists, err := db.GetEngine(ctx).
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Table("issue_dependency").
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Select("issue.*").
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Join("INNER", "issue", "issue.id = issue_dependency.dependency_id").
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Where("issue_dependency.issue_id = ?", issue.ID).
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And("issue.is_closed = ?", "0").
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Exist(&Issue{})
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return !exists, err
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}
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