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// Copyright 2022 Gitea. All rights reserved.
// SPDX-License-Identifier: MIT
package pull
import (
"context"
"fmt"
"code.gitea.io/gitea/models/db"
repo_model "code.gitea.io/gitea/models/repo"
user_model "code.gitea.io/gitea/models/user"
"code.gitea.io/gitea/modules/timeutil"
)
// AutoMerge represents a pull request scheduled for merging when checks succeed
type AutoMerge struct {
ID int64 `xorm:"pk autoincr"`
PullID int64 `xorm:"UNIQUE"`
DoerID int64 `xorm:"NOT NULL"`
Doer *user_model.User `xorm:"-"`
MergeStyle repo_model.MergeStyle `xorm:"varchar(30)"`
Message string `xorm:"LONGTEXT"`
CreatedUnix timeutil.TimeStamp `xorm:"created"`
}
// TableName return database table name for xorm
func (AutoMerge) TableName() string {
return "pull_auto_merge"
}
func init() {
db.RegisterModel(new(AutoMerge))
}
// ErrAlreadyScheduledToAutoMerge represents a "PullRequestHasMerged"-error
type ErrAlreadyScheduledToAutoMerge struct {
PullID int64
}
func (err ErrAlreadyScheduledToAutoMerge) Error() string {
return fmt.Sprintf("pull request is already scheduled to auto merge when checks succeed [pull_id: %d]", err.PullID)
}
// IsErrAlreadyScheduledToAutoMerge checks if an error is a ErrAlreadyScheduledToAutoMerge.
func IsErrAlreadyScheduledToAutoMerge(err error) bool {
_, ok := err.(ErrAlreadyScheduledToAutoMerge)
return ok
}
// ScheduleAutoMerge schedules a pull request to be merged when all checks succeed
func ScheduleAutoMerge(ctx context.Context, doer *user_model.User, pullID int64, style repo_model.MergeStyle, message string) error {
// Check if we already have a merge scheduled for that pull request
if exists, _, err := GetScheduledMergeByPullID(ctx, pullID); err != nil {
return err
} else if exists {
return ErrAlreadyScheduledToAutoMerge{PullID: pullID}
}
_, err := db.GetEngine(ctx).Insert(&AutoMerge{
DoerID: doer.ID,
PullID: pullID,
MergeStyle: style,
Message: message,
})
return err
}
// GetScheduledMergeByPullID gets a scheduled pull request merge by pull request id
func GetScheduledMergeByPullID(ctx context.Context, pullID int64) (bool, *AutoMerge, error) {
scheduledPRM := &AutoMerge{}
exists, err := db.GetEngine(ctx).Where("pull_id = ?", pullID).Get(scheduledPRM)
if err != nil || !exists {
return false, nil, err
}
doer, err := user_model.GetUserByIDCtx(ctx, scheduledPRM.DoerID)
if err != nil {
return false, nil, err
}
scheduledPRM.Doer = doer
return true, scheduledPRM, nil
}
// DeleteScheduledAutoMerge delete a scheduled pull request
func DeleteScheduledAutoMerge(ctx context.Context, pullID int64) error {
exist, scheduledPRM, err := GetScheduledMergeByPullID(ctx, pullID)
if err != nil {
return err
} else if !exist {
return db.ErrNotExist{Resource: "auto_merge", ID: pullID}
}
_, err = db.GetEngine(ctx).ID(scheduledPRM.ID).Delete(&AutoMerge{})
return err
}
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