3588AdminBackend/internal/storage/models_repo.go

90 lines
2.0 KiB
Go

package storage
import (
"database/sql"
"time"
)
type StandardModelRecord struct {
Name string
FileName string
Version string
SHA256 string
SizeBytes int64
ModelType string
Description string
CreatedAt string
UpdatedAt string
}
type ModelsRepo struct {
db *sql.DB
}
func NewModelsRepo(db *sql.DB) *ModelsRepo {
return &ModelsRepo{db: db}
}
func (r *ModelsRepo) Save(item StandardModelRecord) error {
if r == nil || r.db == nil {
return nil
}
now := time.Now().Format(time.RFC3339)
createdAt := item.CreatedAt
if createdAt == "" {
createdAt = now
}
updatedAt := item.UpdatedAt
if updatedAt == "" {
updatedAt = now
}
_, err := r.db.Exec(`
INSERT INTO standard_models(name, file_name, version, sha256, size_bytes, model_type, description, created_at, updated_at)
VALUES(?, ?, ?, ?, ?, ?, ?, COALESCE((SELECT created_at FROM standard_models WHERE name = ?), ?), ?)
ON CONFLICT(name) DO UPDATE SET
file_name=excluded.file_name,
version=excluded.version,
sha256=excluded.sha256,
size_bytes=excluded.size_bytes,
model_type=excluded.model_type,
description=excluded.description,
updated_at=excluded.updated_at
`, item.Name, item.FileName, item.Version, item.SHA256, item.SizeBytes, item.ModelType, item.Description, item.Name, createdAt, updatedAt)
return err
}
func (r *ModelsRepo) List() ([]StandardModelRecord, error) {
if r == nil || r.db == nil {
return nil, nil
}
rows, err := r.db.Query(`
SELECT name, file_name, version, sha256, size_bytes, model_type, description, created_at, updated_at
FROM standard_models
ORDER BY name ASC
`)
if err != nil {
return nil, err
}
defer rows.Close()
out := make([]StandardModelRecord, 0)
for rows.Next() {
var item StandardModelRecord
if err := rows.Scan(
&item.Name,
&item.FileName,
&item.Version,
&item.SHA256,
&item.SizeBytes,
&item.ModelType,
&item.Description,
&item.CreatedAt,
&item.UpdatedAt,
); err != nil {
return nil, err
}
out = append(out, item)
}
return out, rows.Err()
}