pg_company_repository.go
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package repository
import (
"fmt"
"github.com/go-pg/pg/v10"
"github.com/linmadan/egglib-go/persistent/pg/sqlbuilder"
pgTransaction "github.com/linmadan/egglib-go/transaction/pg"
"github.com/linmadan/egglib-go/utils/snowflake"
"gitlab.fjmaimaimai.com/mmm-go-pp/partner01/pkg/domain"
"gitlab.fjmaimaimai.com/mmm-go-pp/partner01/pkg/infrastructure/pg/models"
"gitlab.fjmaimaimai.com/mmm-go-pp/partner01/pkg/infrastructure/pg/transform"
)
type CompanyRepository struct {
transactionContext *pgTransaction.TransactionContext
}
func (repository *CompanyRepository) nextIdentify() (int64, error) {
IdWorker, err := snowflake.NewIdWorker(1)
if err != nil {
return 0, err
}
id, err := IdWorker.NextId()
return id, err
}
func (repository *CompanyRepository) Save(company *domain.Company) (*domain.Company, error) {
sqlBuildFields := []string{
"company_id",
"company_info",
"create_at",
"update_at",
}
insertFieldsSnippet := sqlbuilder.SqlFieldsSnippet(sqlBuildFields)
insertPlaceHoldersSnippet := sqlbuilder.SqlPlaceHoldersSnippet(sqlBuildFields)
returningFieldsSnippet := sqlbuilder.SqlFieldsSnippet(sqlBuildFields)
updateFields := sqlbuilder.RemoveSqlFields(sqlBuildFields, "company_id")
updateFieldsSnippet := sqlbuilder.SqlUpdateFieldsSnippet(updateFields)
tx := repository.transactionContext.PgTx
if company.Identify() == nil {
companyId, err := repository.nextIdentify()
if err != nil {
return company, err
} else {
company.CompanyId = companyId
}
if _, err := tx.QueryOne(
pg.Scan(
&company.CompanyId,
&company.CompanyInfo,
&company.CreateAt,
&company.UpdateAt,
),
fmt.Sprintf("INSERT INTO companies (%s) VALUES (%s) RETURNING %s", insertFieldsSnippet, insertPlaceHoldersSnippet, returningFieldsSnippet),
company.CompanyId,
company.CompanyInfo,
company.CreateAt,
company.UpdateAt,
); err != nil {
return company, err
}
} else {
if _, err := tx.QueryOne(
pg.Scan(
&company.CompanyId,
&company.CompanyInfo,
&company.CreateAt,
&company.UpdateAt,
),
fmt.Sprintf("UPDATE companies SET %s WHERE company_id=? RETURNING %s", updateFieldsSnippet, returningFieldsSnippet),
company.CompanyInfo,
company.CreateAt,
company.UpdateAt,
company.Identify(),
); err != nil {
return company, err
}
}
return company, nil
}
func (repository *CompanyRepository) Remove(company *domain.Company) (*domain.Company, error) {
tx := repository.transactionContext.PgTx
companyModel := new(models.Company)
companyModel.CompanyId = company.Identify().(int64)
if _, err := tx.Model(companyModel).WherePK().Delete(); err != nil {
return company, err
}
return company, nil
}
func (repository *CompanyRepository) FindOne(queryOptions map[string]interface{}) (*domain.Company, error) {
tx := repository.transactionContext.PgTx
companyModel := new(models.Company)
query := sqlbuilder.BuildQuery(tx.Model(companyModel), queryOptions)
query.SetWhereByQueryOption("company.company_id = ?", "companyId")
query.SetWhereByQueryOption(`company.company_info @>'{"status":?}'`, "status")
if err := query.First(); err != nil {
if err.Error() == "pg: no rows in result set" {
return nil, fmt.Errorf("没有此资源")
} else {
return nil, err
}
}
if companyModel.CompanyId == 0 {
return nil, nil
} else {
return transform.TransformToCompanyDomainModelFromPgModels(companyModel)
}
}
func (repository *CompanyRepository) Find(queryOptions map[string]interface{}) (int64, []*domain.Company, error) {
tx := repository.transactionContext.PgTx
var companyModels []*models.Company
companies := make([]*domain.Company, 0)
query := sqlbuilder.BuildQuery(tx.Model(&companyModels), queryOptions)
query.SetOffsetAndLimit(20)
query.SetOrderDirect("company_id", "DESC")
if count, err := query.SelectAndCount(); err != nil {
return 0, companies, err
} else {
for _, companyModel := range companyModels {
if company, err := transform.TransformToCompanyDomainModelFromPgModels(companyModel); err != nil {
return 0, companies, err
} else {
companies = append(companies, company)
}
}
return int64(count), companies, nil
}
}
func NewCompanyRepository(transactionContext *pgTransaction.TransactionContext) (*CompanyRepository, error) {
if transactionContext == nil {
return nil, fmt.Errorf("transactionContext参数不能为nil")
} else {
return &CompanyRepository{
transactionContext: transactionContext,
}, nil
}
}