Some small refactors (#33144)

models/issues/comment_list.go

@@ -26,14 +26,14 @@ func (comments CommentList) LoadPosters(ctx context.Context) error {
 		return c.PosterID, c.Poster == nil && c.PosterID > 0
 	})
 
-	posterMaps, err := getPostersByIDs(ctx, posterIDs)
+	posterMaps, err := user_model.GetUsersMapByIDs(ctx, posterIDs)
 	if err != nil {
 		return err
 	}
 
 	for _, comment := range comments {
 		if comment.Poster == nil {
-			comment.Poster = getPoster(comment.PosterID, posterMaps)
+			comment.Poster = user_model.GetPossibleUserFromMap(comment.PosterID, posterMaps)
 		}
 	}
 	return nil
@@ -41,7 +41,7 @@ func (comments CommentList) LoadPosters(ctx context.Context) error {
 
 func (comments CommentList) getLabelIDs() []int64 {
 	return container.FilterSlice(comments, func(comment *Comment) (int64, bool) {
-		return comment.LabelID, comment.LabelID > 0
+		return comment.LabelID, comment.LabelID > 0 && comment.Label == nil
 	})
 }
 
@@ -51,6 +51,9 @@ func (comments CommentList) loadLabels(ctx context.Context) error {
 	}
 
 	labelIDs := comments.getLabelIDs()
+	if len(labelIDs) == 0 {
+		return nil
+	}
 	commentLabels := make(map[int64]*Label, len(labelIDs))
 	left := len(labelIDs)
 	for left > 0 {
@@ -118,8 +121,8 @@ func (comments CommentList) loadMilestones(ctx context.Context) error {
 		milestoneIDs = milestoneIDs[limit:]
 	}
 
-	for _, issue := range comments {
-		issue.Milestone = milestoneMaps[issue.MilestoneID]
+	for _, comment := range comments {
+		comment.Milestone = milestoneMaps[comment.MilestoneID]
 	}
 	return nil
 }
@@ -175,6 +178,9 @@ func (comments CommentList) loadAssignees(ctx context.Context) error {
 	}
 
 	assigneeIDs := comments.getAssigneeIDs()
+	if len(assigneeIDs) == 0 {
+		return nil
+	}
 	assignees := make(map[int64]*user_model.User, len(assigneeIDs))
 	left := len(assigneeIDs)
 	for left > 0 {
@@ -301,6 +307,9 @@ func (comments CommentList) loadDependentIssues(ctx context.Context) error {
 
 	e := db.GetEngine(ctx)
 	issueIDs := comments.getDependentIssueIDs()
+	if len(issueIDs) == 0 {
+		return nil
+	}
 	issues := make(map[int64]*Issue, len(issueIDs))
 	left := len(issueIDs)
 	for left > 0 {
@@ -427,6 +436,9 @@ func (comments CommentList) loadReviews(ctx context.Context) error {
 	}
 
 	reviewIDs := comments.getReviewIDs()
+	if len(reviewIDs) == 0 {
+		return nil
+	}
 	reviews := make(map[int64]*Review, len(reviewIDs))
 	if err := db.GetEngine(ctx).In("id", reviewIDs).Find(&reviews); err != nil {
 		return err

models/issues/issue.go

@@ -238,6 +238,9 @@ func (issue *Issue) loadCommentsByType(ctx context.Context, tp CommentType) (err
 		IssueID: issue.ID,
 		Type:    tp,
 	})
+	for _, comment := range issue.Comments {
+		comment.Issue = issue
+	}
 	return err
 }
 

models/issues/issue_list.go

@@ -81,53 +81,19 @@ func (issues IssueList) LoadPosters(ctx context.Context) error {
 		return issue.PosterID, issue.Poster == nil && issue.PosterID > 0
 	})
 
-	posterMaps, err := getPostersByIDs(ctx, posterIDs)
+	posterMaps, err := user_model.GetUsersMapByIDs(ctx, posterIDs)
 	if err != nil {
 		return err
 	}
 
 	for _, issue := range issues {
 		if issue.Poster == nil {
-			issue.Poster = getPoster(issue.PosterID, posterMaps)
+			issue.Poster = user_model.GetPossibleUserFromMap(issue.PosterID, posterMaps)
 		}
 	}
 	return nil
 }
 
-func getPostersByIDs(ctx context.Context, posterIDs []int64) (map[int64]*user_model.User, error) {
-	posterMaps := make(map[int64]*user_model.User, len(posterIDs))
-	left := len(posterIDs)
-	for left > 0 {
-		limit := db.DefaultMaxInSize
-		if left < limit {
-			limit = left
-		}
-		err := db.GetEngine(ctx).
-			In("id", posterIDs[:limit]).
-			Find(&posterMaps)
-		if err != nil {
-			return nil, err
-		}
-		left -= limit
-		posterIDs = posterIDs[limit:]
-	}
-	return posterMaps, nil
-}
-
-func getPoster(posterID int64, posterMaps map[int64]*user_model.User) *user_model.User {
-	if posterID == user_model.ActionsUserID {
-		return user_model.NewActionsUser()
-	}
-	if posterID <= 0 {
-		return nil
-	}
-	poster, ok := posterMaps[posterID]
-	if !ok {
-		return user_model.NewGhostUser()
-	}
-	return poster
-}
-
 func (issues IssueList) getIssueIDs() []int64 {
 	ids := make([]int64, 0, len(issues))
 	for _, issue := range issues {

models/user/user_list.go

@@ -0,0 +1,47 @@
+// Copyright 2025 The Gitea Authors. All rights reserved.
+// SPDX-License-Identifier: MIT
+
+package user
+
+import (
+	"context"
+
+	"code.gitea.io/gitea/models/db"
+)
+
+func GetUsersMapByIDs(ctx context.Context, userIDs []int64) (map[int64]*User, error) {
+	userMaps := make(map[int64]*User, len(userIDs))
+	left := len(userIDs)
+	for left > 0 {
+		limit := db.DefaultMaxInSize
+		if left < limit {
+			limit = left
+		}
+		err := db.GetEngine(ctx).
+			In("id", userIDs[:limit]).
+			Find(&userMaps)
+		if err != nil {
+			return nil, err
+		}
+		left -= limit
+		userIDs = userIDs[limit:]
+	}
+	return userMaps, nil
+}
+
+func GetPossibleUserFromMap(userID int64, usererMaps map[int64]*User) *User {
+	switch userID {
+	case GhostUserID:
+		return NewGhostUser()
+	case ActionsUserID:
+		return NewActionsUser()
+	case 0:
+		return nil
+	default:
+		user, ok := usererMaps[userID]
+		if !ok {
+			return NewGhostUser()
+		}
+		return user
+	}
+}