266 lines
8.0 KiB
Go
266 lines
8.0 KiB
Go
package repository
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import (
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"database/sql"
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"fmt"
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"strings"
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"github.com/wmms/wmms/internal/model"
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"github.com/wmms/wmms/pkg/database"
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)
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// BeginTx starts a new database transaction
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func BeginTx() (*sql.Tx, error) {
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return database.DB.Begin()
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}
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type MaterialRepo struct{}
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func NewMaterialRepo() *MaterialRepo {
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return &MaterialRepo{}
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}
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func (r *MaterialRepo) IsActiveSubcategory(categoryID, organizationID int64) (bool, error) {
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query := `SELECT EXISTS(
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SELECT 1 FROM material_categories
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WHERE id = ? AND organization_id = ? AND parent_id IS NOT NULL AND status = 'active'
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)`
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var exists bool
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err := database.DB.QueryRow(query, categoryID, organizationID).Scan(&exists)
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return exists, err
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}
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func (r *MaterialRepo) Create(m *model.Material) error {
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query := `INSERT INTO materials (organization_id, material_code, name, material_image, spec, manufacturer_model,
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category_id, base_unit_id, unit, status, version)
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VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?)`
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result, err := database.DB.Exec(query, m.OrganizationID, m.MaterialCode, m.Name, m.MaterialImage, m.Spec,
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m.ManufacturerModel, m.CategoryID, m.BaseUnitID, m.Unit, m.Status, m.Version)
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if err != nil {
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if strings.Contains(err.Error(), "Duplicate entry") {
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return fmt.Errorf("material code already exists")
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}
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return err
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}
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id, err := result.LastInsertId()
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if err != nil {
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return err
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}
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m.ID = id
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return r.GetByID(m.ID, m)
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}
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func (r *MaterialRepo) GetByID(id int64, m *model.Material) error {
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query := `SELECT id, organization_id, material_code, name, material_image, spec, manufacturer_model,
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category_id, base_unit_id, unit, status, version, created_at, updated_at
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FROM materials WHERE id = ?`
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var materialImage sql.NullString
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var manufacturerModel sql.NullString
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err := database.DB.QueryRow(query, id).Scan(&m.ID, &m.OrganizationID, &m.MaterialCode, &m.Name, &materialImage,
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&m.Spec, &manufacturerModel, &m.CategoryID, &m.BaseUnitID,
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&m.Unit, &m.Status, &m.Version, &m.CreatedAt, &m.UpdatedAt)
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if err != nil {
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return err
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}
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if materialImage.Valid {
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m.MaterialImage = &materialImage.String
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}
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if manufacturerModel.Valid {
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m.ManufacturerModel = &manufacturerModel.String
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}
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return nil
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}
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func (r *MaterialRepo) GetByMaterialCode(code string) (*model.Material, error) {
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m := &model.Material{}
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query := `SELECT id, organization_id, material_code, name, material_image, spec, manufacturer_model,
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category_id, base_unit_id, unit, status, version, created_at, updated_at
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FROM materials WHERE material_code = ?`
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var materialImage sql.NullString
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var manufacturerModel sql.NullString
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err := database.DB.QueryRow(query, code).Scan(&m.ID, &m.OrganizationID, &m.MaterialCode, &m.Name, &materialImage,
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&m.Spec, &manufacturerModel, &m.CategoryID, &m.BaseUnitID,
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&m.Unit, &m.Status, &m.Version, &m.CreatedAt, &m.UpdatedAt)
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if err != nil {
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return nil, err
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}
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if materialImage.Valid {
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m.MaterialImage = &materialImage.String
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}
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if manufacturerModel.Valid {
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m.ManufacturerModel = &manufacturerModel.String
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}
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return m, nil
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}
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func (r *MaterialRepo) List(search, status string, limit, offset int) ([]model.Material, int64, error) {
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countQuery := `SELECT COUNT(*) FROM materials WHERE 1=1`
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var countArgs []interface{}
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if status != "all" {
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countQuery += ` AND status = ?`
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countArgs = append(countArgs, status)
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}
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if search != "" {
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countQuery += ` AND (material_code LIKE ? OR name LIKE ?)`
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searchPattern := "%" + search + "%"
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countArgs = append(countArgs, searchPattern, searchPattern)
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}
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var total int64
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err := database.DB.QueryRow(countQuery, countArgs...).Scan(&total)
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if err != nil {
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return nil, 0, err
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}
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query := `SELECT id, organization_id, material_code, name, material_image, spec, manufacturer_model,
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category_id, base_unit_id, unit, status, version, created_at, updated_at
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FROM materials WHERE 1=1`
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var args []interface{}
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if status != "all" {
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query += ` AND status = ?`
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args = append(args, status)
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}
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if search != "" {
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query += ` AND (material_code LIKE ? OR name LIKE ?)`
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searchPattern := "%" + search + "%"
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args = append(args, searchPattern, searchPattern)
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}
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query += ` ORDER BY id DESC LIMIT ? OFFSET ?`
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args = append(args, limit, offset)
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rows, err := database.DB.Query(query, args...)
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if err != nil {
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return nil, 0, err
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}
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defer rows.Close()
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var materials []model.Material
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for rows.Next() {
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var m model.Material
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var materialImage sql.NullString
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var manufacturerModel sql.NullString
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err := rows.Scan(&m.ID, &m.OrganizationID, &m.MaterialCode, &m.Name, &materialImage, &m.Spec,
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&manufacturerModel, &m.CategoryID, &m.BaseUnitID,
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&m.Unit, &m.Status, &m.Version, &m.CreatedAt, &m.UpdatedAt)
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if err != nil {
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return nil, 0, err
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}
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if materialImage.Valid {
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m.MaterialImage = &materialImage.String
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}
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if manufacturerModel.Valid {
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m.ManufacturerModel = &manufacturerModel.String
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}
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materials = append(materials, m)
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}
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return materials, total, nil
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}
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func (r *MaterialRepo) Update(id int64, req *model.UpdateMaterialRequest) error {
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var sets []string
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var args []interface{}
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if req.Name != "" {
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sets = append(sets, "name = ?")
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args = append(args, req.Name)
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}
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if req.MaterialImage != nil && *req.MaterialImage != "" {
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sets = append(sets, "material_image = ?")
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args = append(args, *req.MaterialImage)
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}
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if req.Spec != "" {
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sets = append(sets, "spec = ?")
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args = append(args, req.Spec)
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}
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if req.ManufacturerModel != nil && *req.ManufacturerModel != "" {
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sets = append(sets, "manufacturer_model = ?")
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args = append(args, *req.ManufacturerModel)
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}
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if req.CategoryID != nil {
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sets = append(sets, "category_id = ?")
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args = append(args, req.CategoryID)
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}
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if req.Unit != "" {
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sets = append(sets, "unit = ?")
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args = append(args, req.Unit)
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}
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if req.BaseUnitID != nil {
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sets = append(sets, "base_unit_id = ?")
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args = append(args, req.BaseUnitID)
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}
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if req.Status != "" {
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sets = append(sets, "status = ?")
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args = append(args, req.Status)
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}
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sets = append(sets, "version = version + 1")
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if len(sets) == 0 {
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return nil
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}
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query := fmt.Sprintf("UPDATE materials SET %s WHERE id = ?", strings.Join(sets, ", "))
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args = append(args, id)
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_, err := database.DB.Exec(query, args...)
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return err
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}
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func (r *MaterialRepo) Delete(id int64) error {
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// Check if material has related records
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var count int
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// Check inbound_items
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database.DB.QueryRow(`SELECT COUNT(*) FROM inbound_items WHERE material_id = ?`, id).Scan(&count)
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if count > 0 {
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return fmt.Errorf("该物料有入库记录，无法删除")
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}
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// Check outbound_items
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database.DB.QueryRow(`SELECT COUNT(*) FROM outbound_items WHERE material_id = ?`, id).Scan(&count)
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if count > 0 {
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return fmt.Errorf("该物料有出库记录，无法删除")
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}
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// Check stock_logs
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database.DB.QueryRow(`SELECT COUNT(*) FROM stock_logs WHERE material_id = ?`, id).Scan(&count)
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if count > 0 {
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return fmt.Errorf("该物料有库存流水记录，无法删除")
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}
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_, err := database.DB.Exec(`DELETE FROM materials WHERE id = ?`, id)
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return err
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}
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func (r *MaterialRepo) Obsolete(id int64) error {
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var nonZero int
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if err := database.DB.QueryRow(`SELECT COUNT(*) FROM inventory_balances WHERE material_id = ? AND (on_hand <> 0 OR reserved <> 0 OR locked <> 0 OR in_transit <> 0)`, id).Scan(&nonZero); err != nil {
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return err
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}
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if nonZero > 0 {
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return fmt.Errorf("该物料仍有库存，无法作废")
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}
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result, err := database.DB.Exec(`UPDATE materials SET status = 'obsolete', version = version + 1 WHERE id = ?`, id)
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if err != nil {
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return err
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}
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// version always increments, so zero affected rows means the material does
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// not exist; re-obsoleting an already-obsolete material still reports 1.
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affected, _ := result.RowsAffected()
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if affected == 0 {
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return fmt.Errorf("物料不存在")
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}
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return nil
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}
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func (r *MaterialRepo) Restore(id int64) error {
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result, err := database.DB.Exec(`UPDATE materials SET status = 'active', version = version + 1 WHERE id = ?`, id)
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if err != nil {
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return err
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}
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affected, _ := result.RowsAffected()
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if affected == 0 {
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return fmt.Errorf("物料不存在")
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}
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return nil
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}
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