pg_dictionary_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"
"gitlab.fjmaimaimai.com/allied-creation/allied-creation-basic/pkg/domain"
"gitlab.fjmaimaimai.com/allied-creation/allied-creation-basic/pkg/infrastructure/pg/models"
"gitlab.fjmaimaimai.com/allied-creation/allied-creation-basic/pkg/infrastructure/pg/transform"
)
type DictionaryRepository struct {
transactionContext *pgTransaction.TransactionContext
}
func (repository *DictionaryRepository) nextIdentify() (int64, error) {
id, err := idWorker.NextId()
return id, err
}
func (repository *DictionaryRepository) Save(dictionary *domain.Dictionary) (*domain.Dictionary, error) {
sqlBuildFields := []string{
"dictionary_id",
"dict_code",
"dict_name",
"desc",
"dict_items",
}
insertFieldsSnippet := sqlbuilder.SqlFieldsSnippet(sqlBuildFields)
insertPlaceHoldersSnippet := sqlbuilder.SqlPlaceHoldersSnippet(sqlBuildFields)
returningFieldsSnippet := sqlbuilder.SqlFieldsSnippet(sqlBuildFields)
updateFields := sqlbuilder.RemoveSqlFields(sqlBuildFields, "dictionary_id")
updateFieldsSnippet := sqlbuilder.SqlUpdateFieldsSnippet(updateFields)
tx := repository.transactionContext.PgTx
if dictionary.Identify() == nil {
dictionaryId, err := repository.nextIdentify()
if err != nil {
return dictionary, err
} else {
dictionary.DictionaryId = dictionaryId
}
if _, err := tx.QueryOne(
pg.Scan(
&dictionary.DictionaryId,
&dictionary.DictCode,
&dictionary.DictName,
&dictionary.Desc,
pg.Array(&dictionary.DictItems),
),
fmt.Sprintf("INSERT INTO dictionarys (%s) VALUES (%s) RETURNING %s", insertFieldsSnippet, insertPlaceHoldersSnippet, returningFieldsSnippet),
dictionary.DictionaryId,
dictionary.DictCode,
dictionary.DictName,
dictionary.Desc,
pg.Array(dictionary.DictItems),
); err != nil {
return dictionary, err
}
} else {
if _, err := tx.QueryOne(
pg.Scan(
&dictionary.DictionaryId,
&dictionary.DictCode,
&dictionary.DictName,
&dictionary.Desc,
pg.Array(&dictionary.DictItems),
),
fmt.Sprintf("UPDATE dictionarys SET %s WHERE dictionary_id=? RETURNING %s", updateFieldsSnippet, returningFieldsSnippet),
dictionary.DictionaryId,
dictionary.DictCode,
dictionary.DictName,
dictionary.Desc,
pg.Array(dictionary.DictItems),
dictionary.Identify(),
); err != nil {
return dictionary, err
}
}
return dictionary, nil
}
func (repository *DictionaryRepository) Remove(dictionary *domain.Dictionary) (*domain.Dictionary, error) {
tx := repository.transactionContext.PgTx
dictionaryModel := new(models.Dictionary)
dictionaryModel.DictionaryId = dictionary.Identify().(int64)
if _, err := tx.Model(dictionaryModel).WherePK().Delete(); err != nil {
return dictionary, err
}
return dictionary, nil
}
func (repository *DictionaryRepository) FindOne(queryOptions map[string]interface{}) (*domain.Dictionary, error) {
tx := repository.transactionContext.PgTx
dictionaryModel := new(models.Dictionary)
query := sqlbuilder.BuildQuery(tx.Model(dictionaryModel), queryOptions)
query.SetWhereByQueryOption("dictionary.dictionary_id = ?", "dictionaryId")
query.SetWhereByQueryOption("dictionary.dict_code=?", "dictCode")
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 dictionaryModel.DictionaryId == 0 {
return nil, nil
} else {
return transform.TransformToDictionaryDomainModelFromPgModels(dictionaryModel)
}
}
func (repository *DictionaryRepository) Find(queryOptions map[string]interface{}) (int64, []*domain.Dictionary, error) {
tx := repository.transactionContext.PgTx
var dictionaryModels []*models.Dictionary
dictionarys := make([]*domain.Dictionary, 0)
query := sqlbuilder.BuildQuery(tx.Model(&dictionaryModels), queryOptions)
query.SetOffsetAndLimit(20)
query.SetOrderDirect("dictionary_id", "DESC")
if count, err := query.SelectAndCount(); err != nil {
return 0, dictionarys, err
} else {
for _, dictionaryModel := range dictionaryModels {
if dictionary, err := transform.TransformToDictionaryDomainModelFromPgModels(dictionaryModel); err != nil {
return 0, dictionarys, err
} else {
dictionarys = append(dictionarys, dictionary)
}
}
return int64(count), dictionarys, nil
}
}
func NewDictionaryRepository(transactionContext *pgTransaction.TransactionContext) (*DictionaryRepository, error) {
if transactionContext == nil {
return nil, fmt.Errorf("transactionContext参数不能为nil")
} else {
return &DictionaryRepository{
transactionContext: transactionContext,
}, nil
}
}