cialloo
0ae4d1705b
All checks were successful
CI - Build and Push / Build and Push Docker Image (push) Successful in 52s
86 lines
2.2 KiB
Go
86 lines
2.2 KiB
Go
package logic
|
|
|
|
import (
|
|
"context"
|
|
"database/sql"
|
|
"fmt"
|
|
"time"
|
|
|
|
"git.cialloo.com/CiallooWeb/Blog/app/internal/svc"
|
|
"git.cialloo.com/CiallooWeb/Blog/app/internal/types"
|
|
|
|
"github.com/aws/aws-sdk-go-v2/service/s3"
|
|
"github.com/zeromicro/go-zero/core/logx"
|
|
)
|
|
|
|
type GetPostLogic struct {
|
|
logx.Logger
|
|
ctx context.Context
|
|
svcCtx *svc.ServiceContext
|
|
}
|
|
|
|
// Get a blog post by ID
|
|
func NewGetPostLogic(ctx context.Context, svcCtx *svc.ServiceContext) *GetPostLogic {
|
|
return &GetPostLogic{
|
|
Logger: logx.WithContext(ctx),
|
|
ctx: ctx,
|
|
svcCtx: svcCtx,
|
|
}
|
|
}
|
|
|
|
func (l *GetPostLogic) GetPost(req *types.GetPostReq) (resp *types.GetPostResp, err error) {
|
|
var post types.GetPostResp
|
|
var coverID sql.NullInt64
|
|
var createdAt, updatedAt time.Time
|
|
|
|
// Query post with cover image
|
|
query := `
|
|
SELECT p.id, p.title, p.content, p.created_at, p.updated_at, p.cover_id
|
|
FROM posts p
|
|
WHERE p.id = $1
|
|
`
|
|
err = l.svcCtx.DB.QueryRowContext(l.ctx, query, req.PostId).Scan(
|
|
&post.PostId, &post.Title, &post.Content, &createdAt, &updatedAt, &coverID,
|
|
)
|
|
if err != nil {
|
|
if err == sql.ErrNoRows {
|
|
l.Errorf("Post not found with id: %s", req.PostId)
|
|
return nil, fmt.Errorf("post not found")
|
|
}
|
|
l.Errorf("Failed to get post: %v", err)
|
|
return nil, err
|
|
}
|
|
|
|
// Convert timestamps to Unix milliseconds
|
|
post.CreatedAt = createdAt.UnixMilli()
|
|
post.UpdatedAt = updatedAt.UnixMilli()
|
|
|
|
// Convert timestamps to Unix milliseconds
|
|
post.CreatedAt = createdAt.UnixMilli()
|
|
post.UpdatedAt = updatedAt.UnixMilli()
|
|
|
|
// If cover image exists, get its URL
|
|
if coverID.Valid {
|
|
coverQuery := `SELECT file_key FROM files WHERE id = $1`
|
|
var fileKey string
|
|
err = l.svcCtx.DB.QueryRowContext(l.ctx, coverQuery, coverID.Int64).Scan(&fileKey)
|
|
if err == nil {
|
|
// Generate presigned URL for cover image
|
|
expiration := time.Duration(l.svcCtx.Config.S3.PresignedURLExpiration) * time.Second
|
|
presignClient := s3.NewPresignClient(l.svcCtx.S3Client)
|
|
getObjectInput := &s3.GetObjectInput{
|
|
Bucket: &l.svcCtx.Config.S3.Bucket,
|
|
Key: &fileKey,
|
|
}
|
|
presignedReq, err := presignClient.PresignGetObject(l.ctx, getObjectInput, func(opts *s3.PresignOptions) {
|
|
opts.Expires = expiration
|
|
})
|
|
if err == nil {
|
|
post.CoverImageUrl = presignedReq.URL
|
|
}
|
|
}
|
|
}
|
|
|
|
return &post, nil
|
|
}
|