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- // Copyright 2017 The Gitea Authors. All rights reserved.
- // SPDX-License-Identifier: MIT
-
- package issues
-
- import (
- "context"
- "fmt"
-
- "code.gitea.io/gitea/models/db"
- repo_model "code.gitea.io/gitea/models/repo"
- )
-
- // IssueUser represents an issue-user relation.
- type IssueUser struct {
- ID int64 `xorm:"pk autoincr"`
- UID int64 `xorm:"INDEX"` // User ID.
- IssueID int64 `xorm:"INDEX"`
- IsRead bool
- IsMentioned bool
- }
-
- func init() {
- db.RegisterModel(new(IssueUser))
- }
-
- // NewIssueUsers inserts an issue related users
- func NewIssueUsers(ctx context.Context, repo *repo_model.Repository, issue *Issue) error {
- assignees, err := repo_model.GetRepoAssignees(ctx, repo)
- if err != nil {
- return fmt.Errorf("getAssignees: %w", err)
- }
-
- // Poster can be anyone, append later if not one of assignees.
- isPosterAssignee := false
-
- // Leave a seat for poster itself to append later, but if poster is one of assignee
- // and just waste 1 unit is cheaper than re-allocate memory once.
- issueUsers := make([]*IssueUser, 0, len(assignees)+1)
- for _, assignee := range assignees {
- issueUsers = append(issueUsers, &IssueUser{
- IssueID: issue.ID,
- UID: assignee.ID,
- })
- isPosterAssignee = isPosterAssignee || assignee.ID == issue.PosterID
- }
- if !isPosterAssignee {
- issueUsers = append(issueUsers, &IssueUser{
- IssueID: issue.ID,
- UID: issue.PosterID,
- })
- }
-
- return db.Insert(ctx, issueUsers)
- }
-
- // UpdateIssueUserByRead updates issue-user relation for reading.
- func UpdateIssueUserByRead(ctx context.Context, uid, issueID int64) error {
- _, err := db.GetEngine(ctx).Exec("UPDATE `issue_user` SET is_read=? WHERE uid=? AND issue_id=?", true, uid, issueID)
- return err
- }
-
- // UpdateIssueUsersByMentions updates issue-user pairs by mentioning.
- func UpdateIssueUsersByMentions(ctx context.Context, issueID int64, uids []int64) error {
- for _, uid := range uids {
- iu := &IssueUser{
- UID: uid,
- IssueID: issueID,
- }
- has, err := db.GetEngine(ctx).Get(iu)
- if err != nil {
- return err
- }
-
- iu.IsMentioned = true
- if has {
- _, err = db.GetEngine(ctx).ID(iu.ID).Cols("is_mentioned").Update(iu)
- } else {
- _, err = db.GetEngine(ctx).Insert(iu)
- }
- if err != nil {
- return err
- }
- }
- return nil
- }
-
- // GetIssueMentionIDs returns all mentioned user IDs of an issue.
- func GetIssueMentionIDs(ctx context.Context, issueID int64) ([]int64, error) {
- var ids []int64
- return ids, db.GetEngine(ctx).Table(IssueUser{}).
- Where("issue_id=?", issueID).
- And("is_mentioned=?", true).
- Select("uid").
- Find(&ids)
- }
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