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[hw-8] add: comment service

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This commit is contained in:
3ybacTuK
2025-07-26 23:47:18 +03:00
parent 6420eaf3d7
commit 6e0d90a6d5
29 changed files with 1249 additions and 725 deletions
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61
comments/infra/repository/sqlc/repository.go
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@@ -3,14 +3,13 @@ package sqlc
import (
"context"
"errors"
"sort"
"route256/comments/internal/domain/entity"
"route256/comments/internal/domain/model"
"github.com/jackc/pgx/v5"
"github.com/jackc/pgx/v5/pgxpool"
"github.com/rs/zerolog/log"
"route256/comments/internal/domain/entity"
"route256/comments/internal/domain/model"
)
type commentsRepo struct {
@@ -33,12 +32,22 @@ func (r *commentsRepo) pickShard(sku int64) *pgxpool.Pool {
return r.shard2
}
func (r *commentsRepo) GetCommentByID(ctx context.Context, id int64) (*Comment, error) {
func mapComment(c *Comment) *entity.Comment {
return &entity.Comment{
ID: c.ID,
UserID: c.UserID,
SKU: c.Sku,
CreatedAt: c.CreatedAt.Time,
Text: c.Text,
}
}
func (r *commentsRepo) GetCommentByID(ctx context.Context, id int64) (*entity.Comment, error) {
q1 := New(r.shard1)
c, err := q1.GetCommentByID(ctx, id)
switch {
case err == nil:
return c, nil
return mapComment(c), nil
case errors.Is(err, pgx.ErrNoRows):
log.Trace().Msgf("comment with id %d not found in shard 1", id)
default:
@@ -49,7 +58,7 @@ func (r *commentsRepo) GetCommentByID(ctx context.Context, id int64) (*Comment,
c2, err2 := q2.GetCommentByID(ctx, id)
switch {
case err2 == nil:
return c2, nil
return mapComment(c2), nil
case errors.Is(err2, pgx.ErrNoRows):
return nil, model.ErrCommentNotFound
default:
@@ -57,7 +66,7 @@ func (r *commentsRepo) GetCommentByID(ctx context.Context, id int64) (*Comment,
}
}
func (r *commentsRepo) InsertComment(ctx context.Context, comment *entity.Comment) (*Comment, error) {
func (r *commentsRepo) InsertComment(ctx context.Context, comment *entity.Comment) (*entity.Comment, error) {
shard := r.pickShard(comment.SKU)
q := New(shard)
@@ -72,10 +81,10 @@ func (r *commentsRepo) InsertComment(ctx context.Context, comment *entity.Commen
return nil, err
}
return c, nil
return mapComment(c), nil
}
func (r *commentsRepo) ListCommentsBySku(ctx context.Context, sku int64) ([]*Comment, error) {
func (r *commentsRepo) ListCommentsBySku(ctx context.Context, sku int64) ([]*entity.Comment, error) {
shard := r.pickShard(sku)
q := New(shard)
@@ -84,13 +93,15 @@ func (r *commentsRepo) ListCommentsBySku(ctx context.Context, sku int64) ([]*Com
return nil, err
}
out := make([]*Comment, len(list))
copy(out, list)
out := make([]*entity.Comment, 0, len(list))
for _, com := range list {
out = append(out, mapComment(com))
}
return out, nil
}
func (r *commentsRepo) ListCommentsByUser(ctx context.Context, userID int64) ([]*Comment, error) {
func (r *commentsRepo) ListCommentsByUser(ctx context.Context, userID int64) ([]*entity.Comment, error) {
q1 := New(r.shard1)
l1, err1 := q1.ListCommentsByUser(ctx, userID)
if err1 != nil {
@@ -103,22 +114,18 @@ func (r *commentsRepo) ListCommentsByUser(ctx context.Context, userID int64) ([]
return nil, err2
}
merged := make([]*Comment, 0, len(l1)+len(l2))
merged = append(merged, l1...)
merged = append(merged, l2...)
sort.Slice(merged, func(i, j int) bool {
if merged[i].CreatedAt.Time.Equal(merged[j].CreatedAt.Time) {
return merged[i].UserID < merged[j].UserID
}
return merged[i].CreatedAt.Time.After(merged[j].CreatedAt.Time)
})
merged := make([]*entity.Comment, 0, len(l1)+len(l2))
for _, com := range l1 {
merged = append(merged, mapComment(com))
}
for _, com := range l2 {
merged = append(merged, mapComment(com))
}
return merged, nil
}
func (r *commentsRepo) UpdateComment(ctx context.Context, comment *entity.Comment) (*Comment, error) {
func (r *commentsRepo) UpdateComment(ctx context.Context, comment *entity.Comment) (*entity.Comment, error) {
req := &UpdateCommentParams{
ID: comment.ID,
Text: comment.Text,
@@ -128,7 +135,7 @@ func (r *commentsRepo) UpdateComment(ctx context.Context, comment *entity.Commen
c, err := q1.UpdateComment(ctx, req)
switch {
case err == nil:
return c, nil
return mapComment(c), nil
case errors.Is(err, pgx.ErrNoRows):
log.Trace().Msgf("comment with id %d not found in shard 1", req.ID)
default:
@@ -139,7 +146,7 @@ func (r *commentsRepo) UpdateComment(ctx context.Context, comment *entity.Commen
c2, err2 := q2.UpdateComment(ctx, req)
switch {
case err2 == nil:
return c2, nil
return mapComment(c2), nil
case errors.Is(err2, pgx.ErrNoRows):
return nil, model.ErrCommentNotFound
default: