From 791d7fc76aa41370860126e861cf14d98efe710e Mon Sep 17 00:00:00 2001
From: Lunny Xiao <xiaolunwen@gmail.com>
Date: Fri, 9 Aug 2024 09:29:02 +0800
Subject: Add issue comment when moving issues from one column to another of
 the project (#29311)

Fix #27278
Replace #27816

This PR adds a meta-comment for an issue when dragging an issue from one
column to another of a project.

<img width="600" alt="image"
src="https://github.com/go-gitea/gitea/assets/81045/5fc1d954-430e-4db0-aaee-a00006fa91f5">

---------

Co-authored-by: wxiaoguang <wxiaoguang@gmail.com>
Co-authored-by: yp05327 <576951401@qq.com>
---
 services/projects/issue.go | 79 ++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 79 insertions(+)
 create mode 100644 services/projects/issue.go

(limited to 'services/projects/issue.go')

diff --git a/services/projects/issue.go b/services/projects/issue.go
new file mode 100644
index 0000000000..db1621a39f
--- /dev/null
+++ b/services/projects/issue.go
@@ -0,0 +1,79 @@
+// Copyright 2024 The Gitea Authors. All rights reserved.
+// SPDX-License-Identifier: MIT
+
+package project
+
+import (
+	"context"
+	"fmt"
+
+	"code.gitea.io/gitea/models/db"
+	issues_model "code.gitea.io/gitea/models/issues"
+	project_model "code.gitea.io/gitea/models/project"
+	user_model "code.gitea.io/gitea/models/user"
+)
+
+// MoveIssuesOnProjectColumn moves or keeps issues in a column and sorts them inside that column
+func MoveIssuesOnProjectColumn(ctx context.Context, doer *user_model.User, column *project_model.Column, sortedIssueIDs map[int64]int64) error {
+	return db.WithTx(ctx, func(ctx context.Context) error {
+		issueIDs := make([]int64, 0, len(sortedIssueIDs))
+		for _, issueID := range sortedIssueIDs {
+			issueIDs = append(issueIDs, issueID)
+		}
+		count, err := db.GetEngine(ctx).
+			Where("project_id=?", column.ProjectID).
+			In("issue_id", issueIDs).
+			Count(new(project_model.ProjectIssue))
+		if err != nil {
+			return err
+		}
+		if int(count) != len(sortedIssueIDs) {
+			return fmt.Errorf("all issues have to be added to a project first")
+		}
+
+		issues, err := issues_model.GetIssuesByIDs(ctx, issueIDs)
+		if err != nil {
+			return err
+		}
+		if _, err := issues.LoadRepositories(ctx); err != nil {
+			return err
+		}
+
+		project, err := project_model.GetProjectByID(ctx, column.ProjectID)
+		if err != nil {
+			return err
+		}
+
+		issuesMap := make(map[int64]*issues_model.Issue, len(issues))
+		for _, issue := range issues {
+			issuesMap[issue.ID] = issue
+		}
+
+		for sorting, issueID := range sortedIssueIDs {
+			curIssue := issuesMap[issueID]
+			if curIssue == nil {
+				continue
+			}
+
+			_, err = db.Exec(ctx, "UPDATE `project_issue` SET project_board_id=?, sorting=? WHERE issue_id=?", column.ID, sorting, issueID)
+			if err != nil {
+				return err
+			}
+
+			// add timeline to issue
+			if _, err := issues_model.CreateComment(ctx, &issues_model.CreateCommentOptions{
+				Type:               issues_model.CommentTypeProjectColumn,
+				Doer:               doer,
+				Repo:               curIssue.Repo,
+				Issue:              curIssue,
+				ProjectID:          column.ProjectID,
+				ProjectTitle:       project.Title,
+				ProjectColumnID:    column.ID,
+				ProjectColumnTitle: column.Title,
+			}); err != nil {
+				return err
+			}
+		}
+		return nil
+	})
+}
-- 
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