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131 lines
3.2 KiB
131 lines
3.2 KiB
package storage
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import (
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"fmt"
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"log"
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"git.brettb.xyz/goinv/server/internal/types"
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"gorm.io/driver/postgres"
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"gorm.io/gorm"
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"gorm.io/gorm/logger"
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)
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type DataStore struct {
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db *gorm.DB
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}
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func NewDataStorePG(host, user, password, dbname, sslmode string) (*DataStore, error) {
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dsn := fmt.Sprintf("host=%s user=%s password=%s dbname=%s sslmode=%s", host, user, password, dbname, sslmode)
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log.Printf("Connecting to %s@%s/%s\n", host, user, dbname)
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db, err := gorm.Open(postgres.Open(dsn), &gorm.Config{
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Logger: logger.Default.LogMode(logger.Silent),
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})
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if err != nil {
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return nil, err
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}
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log.Printf("Auto-Migrating models")
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if err := db.AutoMigrate(
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&types.Asset{},
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&types.Building{},
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&types.Category{},
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&types.ShelfLocation{},
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); err != nil {
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return nil, err
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}
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return &DataStore{
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db: db,
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}, nil
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}
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func (s *DataStore) CreateAsset(asset *types.Asset) error {
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result := s.db.Create(asset)
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return result.Error
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}
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func (s *DataStore) CreateBuilding(building *types.Building) error {
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result := s.db.Create(building)
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return result.Error
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}
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func (s *DataStore) CreateCategory(category *types.Category) error {
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result := s.db.Create(category)
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return result.Error
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}
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func (s *DataStore) CreateShelfLocation(shelf *types.ShelfLocation) error {
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result := s.db.Create(shelf)
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return result.Error
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}
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func (s *DataStore) GetAssetByID(id uint64) (*types.Asset, error) {
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var result types.Asset
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tx := s.db.Model(&types.Asset{}).Where("id = ?", id).First(&result)
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if tx.Error != nil {
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return nil, fmt.Errorf("asset %d not found", id)
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}
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return &result, nil
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}
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func (s *DataStore) GetAssets(offset, limit uint64) ([]*types.Asset, error) {
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var assets []*types.Asset
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s.db.Joins("Category").Joins("ShelfLocation").Order("id asc").Offset(int(offset)).Limit(int(limit)).Find(&assets)
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if len(assets) == 0 {
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return nil, fmt.Errorf("no assets found")
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}
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return assets, nil
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}
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func (s *DataStore) TotalAssets() (int64, error) {
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var count int64
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if tx := s.db.Find(&types.Asset{}).Count(&count); tx.Error != nil {
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return 0, tx.Error
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}
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return count, nil
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}
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func (s *DataStore) DeleteAssetByID(id uint64) (bool, error) {
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tx := s.db.Delete(&types.Asset{}, id)
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if tx.Error != nil {
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return false, fmt.Errorf("unable to delete: %s", tx.Error.Error())
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}
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return true, nil
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}
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func (s *DataStore) GetShelfByID(id uint64) (*types.ShelfLocation, error) {
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var result types.ShelfLocation
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tx := s.db.Model(&types.ShelfLocation{}).Where("id = ?", id).First(&result)
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if tx.Error != nil {
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return nil, fmt.Errorf("shelf %d not found", id)
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}
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return &result, nil
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}
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func (s *DataStore) GetShelves(offset, limit int) ([]*types.ShelfLocation, error) {
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var shelves []*types.ShelfLocation
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s.db.Offset(offset).Limit(limit).Find(&shelves)
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if len(shelves) == 0 {
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return nil, fmt.Errorf("no shelves found")
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}
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return shelves, nil
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}
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func (s *DataStore) TotalShelves() (int64, error) {
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var count int64
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if tx := s.db.Find(&types.ShelfLocation{}).Count(&count); tx.Error != nil {
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return 0, tx.Error
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}
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return count, nil
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}
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func (s *DataStore) DeleteShelfByID(id uint64) (bool, error) {
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tx := s.db.Delete(&types.ShelfLocation{}, id)
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if tx.Error != nil {
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return false, fmt.Errorf("unable to delete: %s", tx.Error.Error())
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}
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return true, nil
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}
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