109 lines
2.9 KiB
Go
109 lines
2.9 KiB
Go
package storage
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import (
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"context"
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"fmt"
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"sync"
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"time"
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"git.espin.casa/albert/cml04-falcon-ui/types"
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"gorm.io/driver/postgres"
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"gorm.io/gorm"
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)
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type DBConfig struct {
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Username string
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Password string
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Host string
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Port int
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Name string
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}
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type Storager interface {
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Barcode(ctx context.Context, reading string) (barcode *types.Barcode, err error)
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ListBarcode(ctx context.Context, lb types.LoadingBed, inicio, final time.Time) (barcodes []types.Barcode, err error)
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Bundle(ctx context.Context, ua string) (bundle *types.BundleData, err error)
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ListBundle(ctx context.Context, lb types.LoadingBed, inicio, final time.Time) (bundles []types.BundleData, err error)
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}
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type storage struct {
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db *gorm.DB
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mux sync.RWMutex
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}
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// ListBundle implements Storager.
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func (s *storage) ListBundle(ctx context.Context, lb types.LoadingBed, inicio time.Time, final time.Time) (bundles []types.BundleData, err error) {
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if lb == types.ALL {
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if err := s.db.Where("created_at >= ? and created_at < ?", inicio, final).Find(&bundles).WithContext(ctx).Error; err != nil {
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return nil, err
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}
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} else {
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if err := s.db.Where("loading_bed = ? and created_at >= ? and created_at < ?", lb, inicio, final).Find(&bundles).WithContext(ctx).Error; err != nil {
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return nil, err
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}
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}
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return
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}
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// Bundle implements Storager.
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func (s *storage) Bundle(ctx context.Context, ua string) (bundle *types.BundleData, err error) {
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if err := s.db.First(&bundle, ua).WithContext(ctx).Error; err != nil {
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return nil, err
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}
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return
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}
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// ListBarcode implements Storager.
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func (s *storage) ListBarcode(ctx context.Context, lb types.LoadingBed, inicio time.Time, final time.Time) (barcodes []types.Barcode, err error) {
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if lb == types.ALL {
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if err := s.db.Where("created_at >= ? and created_at < ?", inicio, final).Find(&barcodes).WithContext(ctx).Error; err != nil {
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return nil, err
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}
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} else {
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if err := s.db.Where("loading_bed = ? and created_at >= ? and created_at < ?", lb, inicio, final).Find(&barcodes).WithContext(ctx).Error; err != nil {
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return nil, err
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}
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}
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return
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}
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// Barcode implements Storager.
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func (s *storage) Barcode(ctx context.Context, reading string) (barcode *types.Barcode, err error) {
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if err := s.db.First(&barcode, reading).WithContext(ctx).Error; err != nil {
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return nil, err
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}
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return
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}
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func ProductionDataBase(conf *DBConfig) (*gorm.DB, error) {
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// create dsn string
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dsn := fmt.Sprintf("host=%s user=%s password=%s dbname=%s port=%d sslmode=disable TimeZone=Europe/Madrid",
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conf.Host,
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conf.Username,
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conf.Password,
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conf.Name,
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conf.Port,
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)
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// create open database connection
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db, err := gorm.Open(postgres.Open(dsn), &gorm.Config{})
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if err != nil {
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return nil, err
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}
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return db, nil
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}
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func New(conf *DBConfig) (Storager, error) {
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// database holder
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var db *gorm.DB
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// producctio
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db, err := ProductionDataBase(conf)
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if err != nil {
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return nil, err
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}
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// done
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return &storage{
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db: db,
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mux: sync.RWMutex{},
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}, nil
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}
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