Files
qvyun/backend/app/http/medias/service.go
2025-01-21 11:22:22 +08:00

127 lines
3.2 KiB
Go

package medias
import (
"context"
"database/sql"
"time"
"backend/database/schemas/public/model"
"backend/database/schemas/public/table"
"backend/providers/otel"
. "github.com/go-jet/jet/v2/postgres"
"github.com/go-jet/jet/v2/qrm"
"github.com/samber/lo"
log "github.com/sirupsen/logrus"
semconv "go.opentelemetry.io/otel/semconv/v1.4.0"
)
// @provider:except
type Service struct {
db *sql.DB
log *log.Entry `inject:"false"`
}
func (svc *Service) Prepare() error {
svc.log = log.WithField("module", "medias.service")
_ = Int(1)
return nil
}
// Create
func (svc *Service) Create(ctx context.Context, tenantID, userID int64, m *model.Medias) (int64, error) {
_, span := otel.Start(ctx, "medias.service.Create")
defer span.End()
if m.CreatedAt.IsZero() {
m.CreatedAt = time.Now()
}
tbl := table.Medias
stmt := tbl.INSERT(tbl.MutableColumns).MODEL(m).RETURNING(tbl.AllColumns)
span.SetAttributes(semconv.DBStatementKey.String(stmt.DebugSql()))
var media model.Medias
if err := stmt.QueryContext(ctx, svc.db, &media); err != nil {
return 0, err
}
userMediaTbl := table.UserMedias
userMediaStmt := userMediaTbl.INSERT(userMediaTbl.TenantID, userMediaTbl.UserID, userMediaTbl.MediaID).VALUES(tenantID, userID, media.ID).RETURNING(tbl.AllColumns)
span.SetAttributes(semconv.DBStatementKey.String(userMediaStmt.DebugSql()))
var ret model.UserMedias
if err := userMediaStmt.QueryContext(ctx, svc.db, &ret); err != nil {
return 0, err
}
return ret.ID, nil
}
// GetMediasByHash
func (svc *Service) GetMediasByIDs(ctx context.Context, tenantID, userID int64, ids []int64) ([]*model.Medias, error) {
_, span := otel.Start(ctx, "medias.service.GetMediasByIDs")
defer span.End()
idExprs := lo.Map(ids, func(item int64, index int) Expression { return Int64(item) })
stmt := SELECT(table.Medias.AllColumns).
FROM(
table.Medias.RIGHT_JOIN(
table.UserMedias,
table.UserMedias.TenantID.
EQ(Int64(tenantID)).
AND(
table.UserMedias.UserID.EQ(Int64(userID)),
).
AND(
table.UserMedias.ID.IN(idExprs...),
).
AND(
table.Medias.ID.EQ(table.UserMedias.MediaID),
),
),
)
span.SetAttributes(semconv.DBStatementKey.String(stmt.DebugSql()))
var ret []model.Medias
if err := stmt.QueryContext(ctx, svc.db, &ret); err != nil {
return nil, err
}
return lo.Map(ret, func(item model.Medias, _ int) *model.Medias {
return &item
}), nil
}
func (svc *Service) GetMediaByID(ctx context.Context, tenantID, userID, userMediaID int64) (*model.Medias, error) {
_, span := otel.Start(ctx, "medias.service.GetMediasByHash")
defer span.End()
medias, err := svc.GetMediasByIDs(ctx, tenantID, userID, []int64{userMediaID})
if err != nil {
return nil, err
}
if len(medias) == 0 {
return nil, qrm.ErrNoRows
}
return medias[0], nil
}
func (svc *Service) DeleteByID(ctx context.Context, id ...int64) error {
if len(id) == 0 {
return nil
}
_, span := otel.Start(ctx, "medias.service.DeleteByID")
defer span.End()
tbl := table.UserMedias
stmt := tbl.DELETE().WHERE(tbl.ID.IN(lo.Map(id, func(item int64, _ int) Expression { return Int64(item) })...))
span.SetAttributes(semconv.DBStatementKey.String(stmt.DebugSql()))
_, err := stmt.ExecContext(ctx, svc.db)
return err
}