1 files changed, 108 insertions, 0 deletions
diff --git a/models/migrations/v1_22/v293.go b/models/migrations/v1_22/v293.go
new file mode 100644
index 0000000..53cc719
--- /dev/null
+++ b/models/migrations/v1_22/v293.go
@@ -0,0 +1,108 @@
+// Copyright 2024 The Gitea Authors. All rights reserved.
+// SPDX-License-Identifier: MIT
+
+package v1_22 //nolint
+
+import (
+	"code.gitea.io/gitea/modules/setting"
+	"code.gitea.io/gitea/modules/timeutil"
+
+	"xorm.io/xorm"
+)
+
+// CheckProjectColumnsConsistency ensures there is exactly one default board per project present
+func CheckProjectColumnsConsistency(x *xorm.Engine) error {
+	sess := x.NewSession()
+	defer sess.Close()
+
+	limit := setting.Database.IterateBufferSize
+	if limit <= 0 {
+		limit = 50
+	}
+
+	type Project struct {
+		ID        int64
+		CreatorID int64
+		BoardID   int64
+	}
+
+	type ProjectBoard struct {
+		ID      int64 `xorm:"pk autoincr"`
+		Title   string
+		Default bool   `xorm:"NOT NULL DEFAULT false"` // issues not assigned to a specific board will be assigned to this board
+		Sorting int8   `xorm:"NOT NULL DEFAULT 0"`
+		Color   string `xorm:"VARCHAR(7)"`
+
+		ProjectID int64 `xorm:"INDEX NOT NULL"`
+		CreatorID int64 `xorm:"NOT NULL"`
+
+		CreatedUnix timeutil.TimeStamp `xorm:"INDEX created"`
+		UpdatedUnix timeutil.TimeStamp `xorm:"INDEX updated"`
+	}
+
+	for {
+		if err := sess.Begin(); err != nil {
+			return err
+		}
+
+		// all these projects without defaults will be fixed in the same loop, so
+		// we just need to always get projects without defaults until no such project
+		var projects []*Project
+		if err := sess.Select("project.id as id, project.creator_id, project_board.id as board_id").
+			Join("LEFT", "project_board", "project_board.project_id = project.id AND project_board.`default`=?", true).
+			Where("project_board.id is NULL OR project_board.id = 0").
+			Limit(limit).
+			Find(&projects); err != nil {
+			return err
+		}
+
+		for _, p := range projects {
+			if _, err := sess.Insert(ProjectBoard{
+				ProjectID: p.ID,
+				Default:   true,
+				Title:     "Uncategorized",
+				CreatorID: p.CreatorID,
+			}); err != nil {
+				return err
+			}
+		}
+		if err := sess.Commit(); err != nil {
+			return err
+		}
+
+		if len(projects) == 0 {
+			break
+		}
+	}
+	sess.Close()
+
+	return removeDuplicatedBoardDefault(x)
+}
+
+func removeDuplicatedBoardDefault(x *xorm.Engine) error {
+	type ProjectInfo struct {
+		ProjectID  int64
+		DefaultNum int
+	}
+	var projects []ProjectInfo
+	if err := x.Select("project_id, count(*) AS default_num").
+		Table("project_board").
+		Where("`default` = ?", true).
+		GroupBy("project_id").
+		Having("count(*) > 1").
+		Find(&projects); err != nil {
+		return err
+	}
+
+	for _, project := range projects {
+		if _, err := x.Where("project_id=?", project.ProjectID).
+			Table("project_board").
+			Limit(project.DefaultNum - 1).
+			Update(map[string]bool{
+				"`default`": false,
+			}); err != nil {
+			return err
+		}
+	}
+	return nil
+}