pg_dictionary_repository.go 4.7 KB
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
	}
}