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provider_repository.go
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/
provider_repository.go
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package postgres
import (
"context"
"errors"
"github.com/goto/guardian/core/provider"
"github.com/goto/guardian/domain"
"github.com/goto/guardian/internal/store/postgres/model"
"gorm.io/gorm"
)
// ProviderRepository talks to the store to read or insert data
type ProviderRepository struct {
db *gorm.DB
}
// NewProviderRepository returns repository struct
func NewProviderRepository(db *gorm.DB) *ProviderRepository {
return &ProviderRepository{db}
}
// Create new record to database
func (r *ProviderRepository) Create(ctx context.Context, p *domain.Provider) error {
m := new(model.Provider)
if err := m.FromDomain(p); err != nil {
return err
}
return r.db.WithContext(ctx).Transaction(func(tx *gorm.DB) error {
if result := tx.Create(m); result.Error != nil {
return result.Error
}
newProvider, err := m.ToDomain()
if err != nil {
return err
}
*p = *newProvider
return nil
})
}
// Find records based on filters
func (r *ProviderRepository) Find(ctx context.Context) ([]*domain.Provider, error) {
providers := []*domain.Provider{}
var models []*model.Provider
if err := r.db.WithContext(ctx).Find(&models).Error; err != nil {
return nil, err
}
for _, m := range models {
p, err := m.ToDomain()
if err != nil {
return nil, err
}
providers = append(providers, p)
}
return providers, nil
}
// GetByID record by ID
func (r *ProviderRepository) GetByID(ctx context.Context, id string) (*domain.Provider, error) {
if id == "" {
return nil, provider.ErrEmptyIDParam
}
var m model.Provider
if err := r.db.WithContext(ctx).First(&m, "id = ?", id).Error; err != nil {
if err == gorm.ErrRecordNotFound {
return nil, provider.ErrRecordNotFound
}
return nil, err
}
p, err := m.ToDomain()
if err != nil {
return nil, err
}
return p, nil
}
func (r *ProviderRepository) GetTypes(ctx context.Context) ([]domain.ProviderType, error) {
var results []struct {
ProviderType string
ResourceType string
}
r.db.WithContext(ctx).
Raw("select distinct provider_type, type as resource_type from resources").Scan(&results)
if len(results) == 0 {
return nil, errors.New("no provider types found")
}
providerTypesMap := make(map[string][]string)
for _, res := range results {
if val, ok := providerTypesMap[res.ProviderType]; ok {
providerTypesMap[res.ProviderType] = append(val, res.ResourceType)
} else {
providerTypesMap[res.ProviderType] = []string{res.ResourceType}
}
}
var providerTypes []domain.ProviderType
for providerType, resourceTypes := range providerTypesMap {
providerTypes = append(providerTypes, domain.ProviderType{
Name: providerType,
ResourceTypes: resourceTypes,
})
}
return providerTypes, nil
}
// GetOne returns provider by type and urn
func (r *ProviderRepository) GetOne(ctx context.Context, pType, urn string) (*domain.Provider, error) {
if pType == "" {
return nil, provider.ErrEmptyProviderType
}
if urn == "" {
return nil, provider.ErrEmptyProviderURN
}
m := &model.Provider{}
db := r.db.WithContext(ctx).Where("type = ?", pType).Where("urn = ?", urn)
if err := db.Take(m).Error; err != nil {
if errors.Is(err, gorm.ErrRecordNotFound) {
return nil, provider.ErrRecordNotFound
}
return nil, err
}
p, err := m.ToDomain()
if err != nil {
return nil, err
}
return p, err
}
// Update record by ID
func (r *ProviderRepository) Update(ctx context.Context, p *domain.Provider) error {
if p.ID == "" {
return provider.ErrEmptyIDParam
}
m := new(model.Provider)
if err := m.FromDomain(p); err != nil {
return err
}
return r.db.WithContext(ctx).Transaction(func(tx *gorm.DB) error {
if err := tx.Model(m).Updates(*m).Error; err != nil {
return err
}
newRecord, err := m.ToDomain()
if err != nil {
return err
}
*p = *newRecord
return nil
})
}
// Delete record by ID
func (r *ProviderRepository) Delete(ctx context.Context, id string) error {
if id == "" {
return provider.ErrEmptyIDParam
}
result := r.db.WithContext(ctx).Where("id = ?", id).Delete(&model.Provider{})
if result.Error != nil {
return result.Error
}
if result.RowsAffected == 0 {
return provider.ErrRecordNotFound
}
return nil
}