naise_pos/db/sqlc/store.go
2023-03-22 12:06:09 +07:00

305 lines
8.4 KiB
Go

package db
import (
"context"
"database/sql"
"fmt"
"git.nochill.in/nochill/naice_pos/util"
"github.com/google/uuid"
)
type Store interface {
Querier
PurchaseOrderTx(ctx context.Context, arg PurchasoOrderTxParams) (PurchaseOrderTxResult, error)
CreateUserMerchantTx(ctx context.Context, arg UserMerchantTxParams) (UserMerchantTxResult, error)
SaleOrderTx(ctx context.Context, arg SaleOrderTxParams) (SaleOrderTxResult, error)
}
type SQLStore struct {
*Queries
db *sql.DB
}
func NewStore(db *sql.DB) Store {
return &SQLStore{
db: db,
Queries: New(db),
}
}
func (store *SQLStore) execTx(ctx context.Context, fn func(*Queries) error) error {
tx, err := store.db.BeginTx(ctx, nil)
if err != nil {
return err
}
q := New(tx)
err = fn(q)
if err != nil {
if rbErr := tx.Rollback(); rbErr != nil {
return fmt.Errorf("tx err: %v, rb err : %v", err, rbErr)
}
return err
}
return tx.Commit()
}
// -------- PURCHASE ORDER TRANSACTION --------- //
type PurchaseOrderProduct struct {
ProductID uuid.UUID `json:"product_id"`
Quantity float64 `json:"quantity"`
Sub_total float64 `json:"sub_total"`
Price float64 `json:"price"`
}
type PurchasoOrderTxParams struct {
MerchantID uuid.UUID `json:"merchant_id"`
CreatedBy uuid.UUID `json:"created_by"` // user_id
SupplierID uuid.UUID `json:"supplier_id"`
Code sql.NullString `json:"code"`
IsPaid bool `json:"is_paid"`
Total float64 `json:"total"`
PaidNominal float64 `json:"paid_nominal"`
Note sql.NullString `json:"note"`
Products []PurchaseOrderProduct `json:"products"`
}
type PurchaseOrderTxResult struct {
PurchaseOrder PurchaseOrder `json:"purchase_order"`
PurchaseOrderDetail []PurchaseOrderDetail `json:"detail"`
}
func (store *SQLStore) PurchaseOrderTx(ctx context.Context, arg PurchasoOrderTxParams) (PurchaseOrderTxResult, error) {
var result PurchaseOrderTxResult
err := store.execTx(ctx, func(q *Queries) error {
var err error
// create purchase order
result.PurchaseOrder, err = q.CreatePurchaseOrder(ctx, CreatePurchaseOrderParams{
MerchantID: arg.MerchantID,
SupplierID: arg.SupplierID,
Code: arg.Code,
CreatedBy: arg.CreatedBy,
IsPaid: arg.IsPaid,
Total: arg.Total,
PaidNominal: arg.PaidNominal,
Note: arg.Note,
})
if err != nil {
return err
}
// create purchase order detail for each products in purchase order
for i := 0; i < len(arg.Products); i++ {
purchaseOrderDetail, err := q.CreatePurchaseOrderDetail(ctx, CreatePurchaseOrderDetailParams{
PurchaseOrderID: result.PurchaseOrder.ID,
MerchantID: arg.MerchantID,
ProductID: arg.Products[i].ProductID,
Quantity: arg.Products[i].Quantity,
SubTotal: arg.Products[i].Sub_total,
ProductPrice: arg.Products[i].Price,
})
if err != nil {
return err
}
result.PurchaseOrderDetail = append(result.PurchaseOrderDetail, purchaseOrderDetail)
product, err := q.GetStockForUpdateStock(ctx, arg.Products[i].ProductID)
if err != nil {
return err
}
err = q.UpdateProductStock(ctx, UpdateProductStockParams{
ID: product.ID,
Stock: product.Stock + arg.Products[i].Quantity,
})
if err != nil {
return err
}
_, err = q.CreateStockLogs(ctx, CreateStockLogsParams{
ProductID: arg.Products[i].ProductID,
MerchantID: arg.MerchantID,
CreatedBy: arg.CreatedBy,
TransactionID: uuid.NullUUID{UUID: result.PurchaseOrder.ID, Valid: true},
TransactionActionType: "purchase_order",
TransactionDescription: fmt.Sprintf("Penambahan stok produk %s dari pembelian dengan code %s", product.Name, arg.Code.String),
Type: util.STOCK_LOG_IN,
SellingPrice: product.SellingPrice,
PurchasePrice: arg.Products[i].Price,
Quantity: arg.Products[i].Quantity,
})
if err != nil {
return err
}
}
return nil
})
return result, err
}
// ------ SALE ORDER TRANSACTION ----------- //
type SaleOrderProduct struct {
ProductID uuid.UUID `json:"product_id"`
ProductName string `json:"product_name"`
Quantity float64 `json:"quantity"`
Sub_total float64 `json:"sub_total"`
Price float64 `json:"price"`
Profit float64 `json:"profit"`
}
type SaleOrderTxParams struct {
MerchantID uuid.UUID `json:"merchant_id"`
CreatedBy uuid.UUID `json:"created_by"` // user_id
CustomerID uuid.NullUUID `json:"customer_id"`
Code string `json:"code"`
IsPaid bool `json:"is_paid"`
Total float64 `json:"total"`
PaidNominal float64 `json:"paid_nominal"`
Note sql.NullString `json:"note"`
IsKeep bool `json:"is_keep"`
Change float64 `json:"change"`
Products []SaleOrderProduct `json:"products"`
}
type SaleOrderTxResult struct {
SaleOrder SaleOrder `json:"sale_order"`
SaleOrderDetail []SaleOrderDetail `json:"detail"`
}
func (store *SQLStore) SaleOrderTx(ctx context.Context, arg SaleOrderTxParams) (SaleOrderTxResult, error) {
var result SaleOrderTxResult
err := store.execTx(ctx, func(q *Queries) error {
var err error
result.SaleOrder, err = q.CreateSaleOrder(ctx, CreateSaleOrderParams{
MerchantID: arg.MerchantID,
CustomerID: uuid.NullUUID{Valid: arg.CustomerID.Valid, UUID: arg.CustomerID.UUID},
Code: arg.Code,
CreatedBy: arg.CreatedBy,
IsPaid: arg.IsPaid,
Total: arg.Total,
PaidNominal: arg.PaidNominal,
Note: sql.NullString{Valid: len(arg.Note.String) > 0, String: arg.Note.String},
IsKeep: arg.IsKeep,
})
if err != nil {
return err
}
for i := 0; i < len(arg.Products); i++ {
saleOrderDetail, err := q.CreateSaleOrderDetail(ctx, CreateSaleOrderDetailParams{
SaleOrderID: result.SaleOrder.ID,
ProductID: arg.Products[i].ProductID,
ProductName: arg.Products[i].ProductName,
Quantity: arg.Products[i].Quantity,
SubTotal: arg.Products[i].Sub_total,
ProductPrice: arg.Products[i].Price,
Profit: arg.Products[i].Profit,
})
if err != nil {
return err
}
result.SaleOrderDetail = append(result.SaleOrderDetail, saleOrderDetail)
product, err := q.GetStockForUpdateStock(ctx, arg.Products[i].ProductID)
if err != nil {
return err
}
err = q.UpdateProductStock(ctx, UpdateProductStockParams{
ID: product.ID,
Stock: product.Stock - arg.Products[i].Quantity,
})
if err != nil {
return err
}
_, err = q.CreateStockLogs(ctx, CreateStockLogsParams{
ProductID: arg.Products[i].ProductID,
MerchantID: arg.MerchantID,
CreatedBy: arg.CreatedBy,
TransactionID: uuid.NullUUID{UUID: result.SaleOrder.ID, Valid: true},
TransactionActionType: "sale_order",
TransactionDescription: fmt.Sprintf("Pengurangan stok produk %s dari penjualan dengan code %s", product.Name, arg.Code),
Type: util.STOCK_LOG_OUT,
SellingPrice: arg.Products[i].Price,
PurchasePrice: product.PurchasePrice,
Quantity: arg.Products[i].Quantity,
})
if err != nil {
return err
}
}
return nil
})
return result, err
}
// ---------- CREATE USER MERCHANT TRANSACTION ------------ //
type UserMerchantTxParams struct {
Email string `json:"email"`
Fullname string `json:"fullname"`
Password string `json:"password"`
OutletName string `json:"outlet_name"`
}
type UserMerchantTxResult struct {
OwnerProfile User `json:"owner_profile"`
OutletProfile Merchant `json:"outlet_profile"`
}
func (store *SQLStore) CreateUserMerchantTx(ctx context.Context, arg UserMerchantTxParams) (UserMerchantTxResult, error) {
var result UserMerchantTxResult
err := store.execTx(ctx, func(q *Queries) error {
var err error
result.OwnerProfile, err = q.CreateUser(ctx, CreateUserParams{
Email: arg.Email,
Password: arg.Password,
Fullname: arg.Fullname,
})
if err != nil {
return err
}
result.OutletProfile, err = q.CreateMerchant(ctx, CreateMerchantParams{
Name: arg.OutletName,
OwnerID: result.OwnerProfile.ID,
})
if err != nil {
return err
}
return nil
})
return result, err
}