mirror of
https://github.com/go-gitea/gitea
synced 2024-08-20 01:05:14 +02:00
182 lines
5.6 KiB
Go
182 lines
5.6 KiB
Go
// Copyright 2019 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 mailer
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import (
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"fmt"
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"code.gitea.io/gitea/models"
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"code.gitea.io/gitea/modules/log"
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)
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func fallbackMailSubject(issue *models.Issue) string {
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return fmt.Sprintf("[%s] %s (#%d)", issue.Repo.FullName(), issue.Title, issue.Index)
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}
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type mailCommentContext struct {
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Issue *models.Issue
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Doer *models.User
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ActionType models.ActionType
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Content string
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Comment *models.Comment
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}
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const (
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// MailBatchSize set the batch size used in mailIssueCommentBatch
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MailBatchSize = 100
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)
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// mailIssueCommentToParticipants can be used for both new issue creation and comment.
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// This function sends two list of emails:
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// 1. Repository watchers and users who are participated in comments.
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// 2. Users who are not in 1. but get mentioned in current issue/comment.
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func mailIssueCommentToParticipants(ctx *mailCommentContext, mentions []*models.User) error {
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// Required by the mail composer; make sure to load these before calling the async function
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if err := ctx.Issue.LoadRepo(); err != nil {
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return fmt.Errorf("LoadRepo(): %v", err)
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}
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if err := ctx.Issue.LoadPoster(); err != nil {
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return fmt.Errorf("LoadPoster(): %v", err)
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}
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if err := ctx.Issue.LoadPullRequest(); err != nil {
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return fmt.Errorf("LoadPullRequest(): %v", err)
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}
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// Enough room to avoid reallocations
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unfiltered := make([]int64, 1, 64)
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// =========== Original poster ===========
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unfiltered[0] = ctx.Issue.PosterID
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// =========== Assignees ===========
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ids, err := models.GetAssigneeIDsByIssue(ctx.Issue.ID)
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if err != nil {
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return fmt.Errorf("GetAssigneeIDsByIssue(%d): %v", ctx.Issue.ID, err)
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}
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unfiltered = append(unfiltered, ids...)
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// =========== Participants (i.e. commenters, reviewers) ===========
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ids, err = models.GetParticipantsIDsByIssueID(ctx.Issue.ID)
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if err != nil {
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return fmt.Errorf("GetParticipantsIDsByIssueID(%d): %v", ctx.Issue.ID, err)
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}
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unfiltered = append(unfiltered, ids...)
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// =========== Issue watchers ===========
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ids, err = models.GetIssueWatchersIDs(ctx.Issue.ID, true)
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if err != nil {
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return fmt.Errorf("GetIssueWatchersIDs(%d): %v", ctx.Issue.ID, err)
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}
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unfiltered = append(unfiltered, ids...)
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// =========== Repo watchers ===========
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// Make repo watchers last, since it's likely the list with the most users
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ids, err = models.GetRepoWatchersIDs(ctx.Issue.RepoID)
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if err != nil {
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return fmt.Errorf("GetRepoWatchersIDs(%d): %v", ctx.Issue.RepoID, err)
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}
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unfiltered = append(ids, unfiltered...)
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visited := make(map[int64]bool, len(unfiltered)+len(mentions)+1)
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// Avoid mailing the doer
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visited[ctx.Doer.ID] = true
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// =========== Mentions ===========
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if err = mailIssueCommentBatch(ctx, mentions, visited, true); err != nil {
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return fmt.Errorf("mailIssueCommentBatch() mentions: %v", err)
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}
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// Avoid mailing explicit unwatched
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ids, err = models.GetIssueWatchersIDs(ctx.Issue.ID, false)
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if err != nil {
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return fmt.Errorf("GetIssueWatchersIDs(%d): %v", ctx.Issue.ID, err)
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}
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for _, i := range ids {
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visited[i] = true
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}
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unfilteredUsers, err := models.GetMaileableUsersByIDs(unfiltered, false)
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if err != nil {
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return err
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}
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if err = mailIssueCommentBatch(ctx, unfilteredUsers, visited, false); err != nil {
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return fmt.Errorf("mailIssueCommentBatch(): %v", err)
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}
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return nil
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}
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func mailIssueCommentBatch(ctx *mailCommentContext, users []*models.User, visited map[int64]bool, fromMention bool) error {
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checkUnit := models.UnitTypeIssues
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if ctx.Issue.IsPull {
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checkUnit = models.UnitTypePullRequests
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}
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langMap := make(map[string][]*models.User)
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for _, user := range users {
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// At this point we exclude:
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// user that don't have all mails enabled or users only get mail on mention and this is one ...
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if !(user.EmailNotificationsPreference == models.EmailNotificationsEnabled ||
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fromMention && user.EmailNotificationsPreference == models.EmailNotificationsOnMention) {
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continue
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}
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// if we have already visited this user we exclude them
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if _, ok := visited[user.ID]; ok {
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continue
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}
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// now mark them as visited
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visited[user.ID] = true
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// test if this user is allowed to see the issue/pull
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if !ctx.Issue.Repo.CheckUnitUser(user, checkUnit) {
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continue
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}
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langMap[user.Language] = append(langMap[user.Language], user)
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}
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for lang, receivers := range langMap {
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// because we know that the len(receivers) > 0 and we don't care about the order particularly
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// working backwards from the last (possibly) incomplete batch. If len(receivers) can be 0 this
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// starting condition will need to be changed slightly
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for i := ((len(receivers) - 1) / MailBatchSize) * MailBatchSize; i >= 0; i -= MailBatchSize {
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msgs, err := composeIssueCommentMessages(ctx, lang, receivers[i:], fromMention, "issue comments")
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if err != nil {
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return err
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}
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SendAsyncs(msgs)
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receivers = receivers[:i]
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}
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}
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return nil
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}
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// MailParticipants sends new issue thread created emails to repository watchers
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// and mentioned people.
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func MailParticipants(issue *models.Issue, doer *models.User, opType models.ActionType, mentions []*models.User) error {
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content := issue.Content
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if opType == models.ActionCloseIssue || opType == models.ActionClosePullRequest ||
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opType == models.ActionReopenIssue || opType == models.ActionReopenPullRequest ||
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opType == models.ActionMergePullRequest {
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content = ""
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}
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if err := mailIssueCommentToParticipants(
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&mailCommentContext{
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Issue: issue,
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Doer: doer,
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ActionType: opType,
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Content: content,
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Comment: nil,
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}, mentions); err != nil {
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log.Error("mailIssueCommentToParticipants: %v", err)
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}
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return nil
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}
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