feat: new models, sorting fix

2025-03-15 21:12:15 +07:00
parent db7076182e
commit 2b8df155d3
103 changed files with 16214 additions and 4048 deletions
--- a/internal/dal/customers.gen.go
+++ b/internal/dal/customers.gen.go
@@ -0,0 +1,891 @@
+// Code generated by gorm.io/gen. DO NOT EDIT.
+// Code generated by gorm.io/gen. DO NOT EDIT.
+// Code generated by gorm.io/gen. DO NOT EDIT.
+
+package dal
+
+import (
+	"app/internal/models"
+	"context"
+
+	"gorm.io/gorm"
+	"gorm.io/gorm/clause"
+	"gorm.io/gorm/schema"
+
+	"gorm.io/gen"
+	"gorm.io/gen/field"
+
+	"gorm.io/plugin/dbresolver"
+)
+
+func newCustomer(db *gorm.DB, opts ...gen.DOOption) customer {
+	_customer := customer{}
+
+	_customer.customerDo.UseDB(db, opts...)
+	_customer.customerDo.UseModel(&models.Customer{})
+
+	tableName := _customer.customerDo.TableName()
+	_customer.ALL = field.NewAsterisk(tableName)
+	_customer.Id = field.NewUint(tableName, "id")
+	_customer.Title = field.NewString(tableName, "title")
+	_customer.Contact = field.NewString(tableName, "contact")
+	_customer.Orders = customerHasManyOrders{
+		db: db.Session(&gorm.Session{}),
+
+		RelationField: field.NewRelation("Orders", "models.Order"),
+		ProductType: struct {
+			field.RelationField
+		}{
+			RelationField: field.NewRelation("Orders.ProductType", "models.ProductType"),
+		},
+		Customer: struct {
+			field.RelationField
+			Orders struct {
+				field.RelationField
+			}
+		}{
+			RelationField: field.NewRelation("Orders.Customer", "models.Customer"),
+			Orders: struct {
+				field.RelationField
+			}{
+				RelationField: field.NewRelation("Orders.Customer.Orders", "models.Order"),
+			},
+		},
+		Tasks: struct {
+			field.RelationField
+			ProductType struct {
+				field.RelationField
+			}
+			Order struct {
+				field.RelationField
+			}
+			PrepTasks struct {
+				field.RelationField
+				Task struct {
+					field.RelationField
+				}
+				WorkArea struct {
+					field.RelationField
+					Workshop struct {
+						field.RelationField
+						WorkAreas struct {
+							field.RelationField
+						}
+						Workers struct {
+							field.RelationField
+							Workshop struct {
+								field.RelationField
+							}
+							TeamTasks struct {
+								field.RelationField
+								TeamType struct {
+									field.RelationField
+								}
+								TeamLeader struct {
+									field.RelationField
+								}
+								WorkArea struct {
+									field.RelationField
+								}
+								TeamMembers struct {
+									field.RelationField
+								}
+							}
+						}
+						Tasks struct {
+							field.RelationField
+						}
+					}
+					PrepTasks struct {
+						field.RelationField
+					}
+					Shifts struct {
+						field.RelationField
+						ProductType struct {
+							field.RelationField
+						}
+						WorkArea struct {
+							field.RelationField
+						}
+					}
+					TeamTasks struct {
+						field.RelationField
+					}
+				}
+			}
+			Workshops struct {
+				field.RelationField
+			}
+		}{
+			RelationField: field.NewRelation("Orders.Tasks", "models.Task"),
+			ProductType: struct {
+				field.RelationField
+			}{
+				RelationField: field.NewRelation("Orders.Tasks.ProductType", "models.ProductType"),
+			},
+			Order: struct {
+				field.RelationField
+			}{
+				RelationField: field.NewRelation("Orders.Tasks.Order", "models.Order"),
+			},
+			PrepTasks: struct {
+				field.RelationField
+				Task struct {
+					field.RelationField
+				}
+				WorkArea struct {
+					field.RelationField
+					Workshop struct {
+						field.RelationField
+						WorkAreas struct {
+							field.RelationField
+						}
+						Workers struct {
+							field.RelationField
+							Workshop struct {
+								field.RelationField
+							}
+							TeamTasks struct {
+								field.RelationField
+								TeamType struct {
+									field.RelationField
+								}
+								TeamLeader struct {
+									field.RelationField
+								}
+								WorkArea struct {
+									field.RelationField
+								}
+								TeamMembers struct {
+									field.RelationField
+								}
+							}
+						}
+						Tasks struct {
+							field.RelationField
+						}
+					}
+					PrepTasks struct {
+						field.RelationField
+					}
+					Shifts struct {
+						field.RelationField
+						ProductType struct {
+							field.RelationField
+						}
+						WorkArea struct {
+							field.RelationField
+						}
+					}
+					TeamTasks struct {
+						field.RelationField
+					}
+				}
+			}{
+				RelationField: field.NewRelation("Orders.Tasks.PrepTasks", "models.PrepTask"),
+				Task: struct {
+					field.RelationField
+				}{
+					RelationField: field.NewRelation("Orders.Tasks.PrepTasks.Task", "models.Task"),
+				},
+				WorkArea: struct {
+					field.RelationField
+					Workshop struct {
+						field.RelationField
+						WorkAreas struct {
+							field.RelationField
+						}
+						Workers struct {
+							field.RelationField
+							Workshop struct {
+								field.RelationField
+							}
+							TeamTasks struct {
+								field.RelationField
+								TeamType struct {
+									field.RelationField
+								}
+								TeamLeader struct {
+									field.RelationField
+								}
+								WorkArea struct {
+									field.RelationField
+								}
+								TeamMembers struct {
+									field.RelationField
+								}
+							}
+						}
+						Tasks struct {
+							field.RelationField
+						}
+					}
+					PrepTasks struct {
+						field.RelationField
+					}
+					Shifts struct {
+						field.RelationField
+						ProductType struct {
+							field.RelationField
+						}
+						WorkArea struct {
+							field.RelationField
+						}
+					}
+					TeamTasks struct {
+						field.RelationField
+					}
+				}{
+					RelationField: field.NewRelation("Orders.Tasks.PrepTasks.WorkArea", "models.WorkArea"),
+					Workshop: struct {
+						field.RelationField
+						WorkAreas struct {
+							field.RelationField
+						}
+						Workers struct {
+							field.RelationField
+							Workshop struct {
+								field.RelationField
+							}
+							TeamTasks struct {
+								field.RelationField
+								TeamType struct {
+									field.RelationField
+								}
+								TeamLeader struct {
+									field.RelationField
+								}
+								WorkArea struct {
+									field.RelationField
+								}
+								TeamMembers struct {
+									field.RelationField
+								}
+							}
+						}
+						Tasks struct {
+							field.RelationField
+						}
+					}{
+						RelationField: field.NewRelation("Orders.Tasks.PrepTasks.WorkArea.Workshop", "models.Workshop"),
+						WorkAreas: struct {
+							field.RelationField
+						}{
+							RelationField: field.NewRelation("Orders.Tasks.PrepTasks.WorkArea.Workshop.WorkAreas", "models.WorkArea"),
+						},
+						Workers: struct {
+							field.RelationField
+							Workshop struct {
+								field.RelationField
+							}
+							TeamTasks struct {
+								field.RelationField
+								TeamType struct {
+									field.RelationField
+								}
+								TeamLeader struct {
+									field.RelationField
+								}
+								WorkArea struct {
+									field.RelationField
+								}
+								TeamMembers struct {
+									field.RelationField
+								}
+							}
+						}{
+							RelationField: field.NewRelation("Orders.Tasks.PrepTasks.WorkArea.Workshop.Workers", "models.Worker"),
+							Workshop: struct {
+								field.RelationField
+							}{
+								RelationField: field.NewRelation("Orders.Tasks.PrepTasks.WorkArea.Workshop.Workers.Workshop", "models.Workshop"),
+							},
+							TeamTasks: struct {
+								field.RelationField
+								TeamType struct {
+									field.RelationField
+								}
+								TeamLeader struct {
+									field.RelationField
+								}
+								WorkArea struct {
+									field.RelationField
+								}
+								TeamMembers struct {
+									field.RelationField
+								}
+							}{
+								RelationField: field.NewRelation("Orders.Tasks.PrepTasks.WorkArea.Workshop.Workers.TeamTasks", "models.TeamTask"),
+								TeamType: struct {
+									field.RelationField
+								}{
+									RelationField: field.NewRelation("Orders.Tasks.PrepTasks.WorkArea.Workshop.Workers.TeamTasks.TeamType", "models.TeamType"),
+								},
+								TeamLeader: struct {
+									field.RelationField
+								}{
+									RelationField: field.NewRelation("Orders.Tasks.PrepTasks.WorkArea.Workshop.Workers.TeamTasks.TeamLeader", "models.Worker"),
+								},
+								WorkArea: struct {
+									field.RelationField
+								}{
+									RelationField: field.NewRelation("Orders.Tasks.PrepTasks.WorkArea.Workshop.Workers.TeamTasks.WorkArea", "models.WorkArea"),
+								},
+								TeamMembers: struct {
+									field.RelationField
+								}{
+									RelationField: field.NewRelation("Orders.Tasks.PrepTasks.WorkArea.Workshop.Workers.TeamTasks.TeamMembers", "models.Worker"),
+								},
+							},
+						},
+						Tasks: struct {
+							field.RelationField
+						}{
+							RelationField: field.NewRelation("Orders.Tasks.PrepTasks.WorkArea.Workshop.Tasks", "models.Task"),
+						},
+					},
+					PrepTasks: struct {
+						field.RelationField
+					}{
+						RelationField: field.NewRelation("Orders.Tasks.PrepTasks.WorkArea.PrepTasks", "models.PrepTask"),
+					},
+					Shifts: struct {
+						field.RelationField
+						ProductType struct {
+							field.RelationField
+						}
+						WorkArea struct {
+							field.RelationField
+						}
+					}{
+						RelationField: field.NewRelation("Orders.Tasks.PrepTasks.WorkArea.Shifts", "models.Shift"),
+						ProductType: struct {
+							field.RelationField
+						}{
+							RelationField: field.NewRelation("Orders.Tasks.PrepTasks.WorkArea.Shifts.ProductType", "models.ProductType"),
+						},
+						WorkArea: struct {
+							field.RelationField
+						}{
+							RelationField: field.NewRelation("Orders.Tasks.PrepTasks.WorkArea.Shifts.WorkArea", "models.WorkArea"),
+						},
+					},
+					TeamTasks: struct {
+						field.RelationField
+					}{
+						RelationField: field.NewRelation("Orders.Tasks.PrepTasks.WorkArea.TeamTasks", "models.TeamTask"),
+					},
+				},
+			},
+			Workshops: struct {
+				field.RelationField
+			}{
+				RelationField: field.NewRelation("Orders.Tasks.Workshops", "models.Workshop"),
+			},
+		},
+	}
+
+	_customer.fillFieldMap()
+
+	return _customer
+}
+
+type customer struct {
+	customerDo
+
+	ALL     field.Asterisk
+	Id      field.Uint
+	Title   field.String
+	Contact field.String
+	Orders  customerHasManyOrders
+
+	fieldMap map[string]field.Expr
+}
+
+func (c customer) Table(newTableName string) *customer {
+	c.customerDo.UseTable(newTableName)
+	return c.updateTableName(newTableName)
+}
+
+func (c customer) As(alias string) *customer {
+	c.customerDo.DO = *(c.customerDo.As(alias).(*gen.DO))
+	return c.updateTableName(alias)
+}
+
+func (c *customer) updateTableName(table string) *customer {
+	c.ALL = field.NewAsterisk(table)
+	c.Id = field.NewUint(table, "id")
+	c.Title = field.NewString(table, "title")
+	c.Contact = field.NewString(table, "contact")
+
+	c.fillFieldMap()
+
+	return c
+}
+
+func (c *customer) GetFieldByName(fieldName string) (field.OrderExpr, bool) {
+	_f, ok := c.fieldMap[fieldName]
+	if !ok || _f == nil {
+		return nil, false
+	}
+	_oe, ok := _f.(field.OrderExpr)
+	return _oe, ok
+}
+
+func (c *customer) fillFieldMap() {
+	c.fieldMap = make(map[string]field.Expr, 4)
+	c.fieldMap["id"] = c.Id
+	c.fieldMap["title"] = c.Title
+	c.fieldMap["contact"] = c.Contact
+
+}
+
+func (c customer) clone(db *gorm.DB) customer {
+	c.customerDo.ReplaceConnPool(db.Statement.ConnPool)
+	return c
+}
+
+func (c customer) replaceDB(db *gorm.DB) customer {
+	c.customerDo.ReplaceDB(db)
+	return c
+}
+
+type customerHasManyOrders struct {
+	db *gorm.DB
+
+	field.RelationField
+
+	ProductType struct {
+		field.RelationField
+	}
+	Customer struct {
+		field.RelationField
+		Orders struct {
+			field.RelationField
+		}
+	}
+	Tasks struct {
+		field.RelationField
+		ProductType struct {
+			field.RelationField
+		}
+		Order struct {
+			field.RelationField
+		}
+		PrepTasks struct {
+			field.RelationField
+			Task struct {
+				field.RelationField
+			}
+			WorkArea struct {
+				field.RelationField
+				Workshop struct {
+					field.RelationField
+					WorkAreas struct {
+						field.RelationField
+					}
+					Workers struct {
+						field.RelationField
+						Workshop struct {
+							field.RelationField
+						}
+						TeamTasks struct {
+							field.RelationField
+							TeamType struct {
+								field.RelationField
+							}
+							TeamLeader struct {
+								field.RelationField
+							}
+							WorkArea struct {
+								field.RelationField
+							}
+							TeamMembers struct {
+								field.RelationField
+							}
+						}
+					}
+					Tasks struct {
+						field.RelationField
+					}
+				}
+				PrepTasks struct {
+					field.RelationField
+				}
+				Shifts struct {
+					field.RelationField
+					ProductType struct {
+						field.RelationField
+					}
+					WorkArea struct {
+						field.RelationField
+					}
+				}
+				TeamTasks struct {
+					field.RelationField
+				}
+			}
+		}
+		Workshops struct {
+			field.RelationField
+		}
+	}
+}
+
+func (a customerHasManyOrders) Where(conds ...field.Expr) *customerHasManyOrders {
+	if len(conds) == 0 {
+		return &a
+	}
+
+	exprs := make([]clause.Expression, 0, len(conds))
+	for _, cond := range conds {
+		exprs = append(exprs, cond.BeCond().(clause.Expression))
+	}
+	a.db = a.db.Clauses(clause.Where{Exprs: exprs})
+	return &a
+}
+
+func (a customerHasManyOrders) WithContext(ctx context.Context) *customerHasManyOrders {
+	a.db = a.db.WithContext(ctx)
+	return &a
+}
+
+func (a customerHasManyOrders) Session(session *gorm.Session) *customerHasManyOrders {
+	a.db = a.db.Session(session)
+	return &a
+}
+
+func (a customerHasManyOrders) Model(m *models.Customer) *customerHasManyOrdersTx {
+	return &customerHasManyOrdersTx{a.db.Model(m).Association(a.Name())}
+}
+
+type customerHasManyOrdersTx struct{ tx *gorm.Association }
+
+func (a customerHasManyOrdersTx) Find() (result []*models.Order, err error) {
+	return result, a.tx.Find(&result)
+}
+
+func (a customerHasManyOrdersTx) Append(values ...*models.Order) (err error) {
+	targetValues := make([]interface{}, len(values))
+	for i, v := range values {
+		targetValues[i] = v
+	}
+	return a.tx.Append(targetValues...)
+}
+
+func (a customerHasManyOrdersTx) Replace(values ...*models.Order) (err error) {
+	targetValues := make([]interface{}, len(values))
+	for i, v := range values {
+		targetValues[i] = v
+	}
+	return a.tx.Replace(targetValues...)
+}
+
+func (a customerHasManyOrdersTx) Delete(values ...*models.Order) (err error) {
+	targetValues := make([]interface{}, len(values))
+	for i, v := range values {
+		targetValues[i] = v
+	}
+	return a.tx.Delete(targetValues...)
+}
+
+func (a customerHasManyOrdersTx) Clear() error {
+	return a.tx.Clear()
+}
+
+func (a customerHasManyOrdersTx) Count() int64 {
+	return a.tx.Count()
+}
+
+type customerDo struct{ gen.DO }
+
+type ICustomerDo interface {
+	gen.SubQuery
+	Debug() ICustomerDo
+	WithContext(ctx context.Context) ICustomerDo
+	WithResult(fc func(tx gen.Dao)) gen.ResultInfo
+	ReplaceDB(db *gorm.DB)
+	ReadDB() ICustomerDo
+	WriteDB() ICustomerDo
+	As(alias string) gen.Dao
+	Session(config *gorm.Session) ICustomerDo
+	Columns(cols ...field.Expr) gen.Columns
+	Clauses(conds ...clause.Expression) ICustomerDo
+	Not(conds ...gen.Condition) ICustomerDo
+	Or(conds ...gen.Condition) ICustomerDo
+	Select(conds ...field.Expr) ICustomerDo
+	Where(conds ...gen.Condition) ICustomerDo
+	Order(conds ...field.Expr) ICustomerDo
+	Distinct(cols ...field.Expr) ICustomerDo
+	Omit(cols ...field.Expr) ICustomerDo
+	Join(table schema.Tabler, on ...field.Expr) ICustomerDo
+	LeftJoin(table schema.Tabler, on ...field.Expr) ICustomerDo
+	RightJoin(table schema.Tabler, on ...field.Expr) ICustomerDo
+	Group(cols ...field.Expr) ICustomerDo
+	Having(conds ...gen.Condition) ICustomerDo
+	Limit(limit int) ICustomerDo
+	Offset(offset int) ICustomerDo
+	Count() (count int64, err error)
+	Scopes(funcs ...func(gen.Dao) gen.Dao) ICustomerDo
+	Unscoped() ICustomerDo
+	Create(values ...*models.Customer) error
+	CreateInBatches(values []*models.Customer, batchSize int) error
+	Save(values ...*models.Customer) error
+	First() (*models.Customer, error)
+	Take() (*models.Customer, error)
+	Last() (*models.Customer, error)
+	Find() ([]*models.Customer, error)
+	FindInBatch(batchSize int, fc func(tx gen.Dao, batch int) error) (results []*models.Customer, err error)
+	FindInBatches(result *[]*models.Customer, batchSize int, fc func(tx gen.Dao, batch int) error) error
+	Pluck(column field.Expr, dest interface{}) error
+	Delete(...*models.Customer) (info gen.ResultInfo, err error)
+	Update(column field.Expr, value interface{}) (info gen.ResultInfo, err error)
+	UpdateSimple(columns ...field.AssignExpr) (info gen.ResultInfo, err error)
+	Updates(value interface{}) (info gen.ResultInfo, err error)
+	UpdateColumn(column field.Expr, value interface{}) (info gen.ResultInfo, err error)
+	UpdateColumnSimple(columns ...field.AssignExpr) (info gen.ResultInfo, err error)
+	UpdateColumns(value interface{}) (info gen.ResultInfo, err error)
+	UpdateFrom(q gen.SubQuery) gen.Dao
+	Attrs(attrs ...field.AssignExpr) ICustomerDo
+	Assign(attrs ...field.AssignExpr) ICustomerDo
+	Joins(fields ...field.RelationField) ICustomerDo
+	Preload(fields ...field.RelationField) ICustomerDo
+	FirstOrInit() (*models.Customer, error)
+	FirstOrCreate() (*models.Customer, error)
+	FindByPage(offset int, limit int) (result []*models.Customer, count int64, err error)
+	ScanByPage(result interface{}, offset int, limit int) (count int64, err error)
+	Scan(result interface{}) (err error)
+	Returning(value interface{}, columns ...string) ICustomerDo
+	UnderlyingDB() *gorm.DB
+	schema.Tabler
+}
+
+func (c customerDo) Debug() ICustomerDo {
+	return c.withDO(c.DO.Debug())
+}
+
+func (c customerDo) WithContext(ctx context.Context) ICustomerDo {
+	return c.withDO(c.DO.WithContext(ctx))
+}
+
+func (c customerDo) ReadDB() ICustomerDo {
+	return c.Clauses(dbresolver.Read)
+}
+
+func (c customerDo) WriteDB() ICustomerDo {
+	return c.Clauses(dbresolver.Write)
+}
+
+func (c customerDo) Session(config *gorm.Session) ICustomerDo {
+	return c.withDO(c.DO.Session(config))
+}
+
+func (c customerDo) Clauses(conds ...clause.Expression) ICustomerDo {
+	return c.withDO(c.DO.Clauses(conds...))
+}
+
+func (c customerDo) Returning(value interface{}, columns ...string) ICustomerDo {
+	return c.withDO(c.DO.Returning(value, columns...))
+}
+
+func (c customerDo) Not(conds ...gen.Condition) ICustomerDo {
+	return c.withDO(c.DO.Not(conds...))
+}
+
+func (c customerDo) Or(conds ...gen.Condition) ICustomerDo {
+	return c.withDO(c.DO.Or(conds...))
+}
+
+func (c customerDo) Select(conds ...field.Expr) ICustomerDo {
+	return c.withDO(c.DO.Select(conds...))
+}
+
+func (c customerDo) Where(conds ...gen.Condition) ICustomerDo {
+	return c.withDO(c.DO.Where(conds...))
+}
+
+func (c customerDo) Order(conds ...field.Expr) ICustomerDo {
+	return c.withDO(c.DO.Order(conds...))
+}
+
+func (c customerDo) Distinct(cols ...field.Expr) ICustomerDo {
+	return c.withDO(c.DO.Distinct(cols...))
+}
+
+func (c customerDo) Omit(cols ...field.Expr) ICustomerDo {
+	return c.withDO(c.DO.Omit(cols...))
+}
+
+func (c customerDo) Join(table schema.Tabler, on ...field.Expr) ICustomerDo {
+	return c.withDO(c.DO.Join(table, on...))
+}
+
+func (c customerDo) LeftJoin(table schema.Tabler, on ...field.Expr) ICustomerDo {
+	return c.withDO(c.DO.LeftJoin(table, on...))
+}
+
+func (c customerDo) RightJoin(table schema.Tabler, on ...field.Expr) ICustomerDo {
+	return c.withDO(c.DO.RightJoin(table, on...))
+}
+
+func (c customerDo) Group(cols ...field.Expr) ICustomerDo {
+	return c.withDO(c.DO.Group(cols...))
+}
+
+func (c customerDo) Having(conds ...gen.Condition) ICustomerDo {
+	return c.withDO(c.DO.Having(conds...))
+}
+
+func (c customerDo) Limit(limit int) ICustomerDo {
+	return c.withDO(c.DO.Limit(limit))
+}
+
+func (c customerDo) Offset(offset int) ICustomerDo {
+	return c.withDO(c.DO.Offset(offset))
+}
+
+func (c customerDo) Scopes(funcs ...func(gen.Dao) gen.Dao) ICustomerDo {
+	return c.withDO(c.DO.Scopes(funcs...))
+}
+
+func (c customerDo) Unscoped() ICustomerDo {
+	return c.withDO(c.DO.Unscoped())
+}
+
+func (c customerDo) Create(values ...*models.Customer) error {
+	if len(values) == 0 {
+		return nil
+	}
+	return c.DO.Create(values)
+}
+
+func (c customerDo) CreateInBatches(values []*models.Customer, batchSize int) error {
+	return c.DO.CreateInBatches(values, batchSize)
+}
+
+// Save : !!! underlying implementation is different with GORM
+// The method is equivalent to executing the statement: db.Clauses(clause.OnConflict{UpdateAll: true}).Create(values)
+func (c customerDo) Save(values ...*models.Customer) error {
+	if len(values) == 0 {
+		return nil
+	}
+	return c.DO.Save(values)
+}
+
+func (c customerDo) First() (*models.Customer, error) {
+	if result, err := c.DO.First(); err != nil {
+		return nil, err
+	} else {
+		return result.(*models.Customer), nil
+	}
+}
+
+func (c customerDo) Take() (*models.Customer, error) {
+	if result, err := c.DO.Take(); err != nil {
+		return nil, err
+	} else {
+		return result.(*models.Customer), nil
+	}
+}
+
+func (c customerDo) Last() (*models.Customer, error) {
+	if result, err := c.DO.Last(); err != nil {
+		return nil, err
+	} else {
+		return result.(*models.Customer), nil
+	}
+}
+
+func (c customerDo) Find() ([]*models.Customer, error) {
+	result, err := c.DO.Find()
+	return result.([]*models.Customer), err
+}
+
+func (c customerDo) FindInBatch(batchSize int, fc func(tx gen.Dao, batch int) error) (results []*models.Customer, err error) {
+	buf := make([]*models.Customer, 0, batchSize)
+	err = c.DO.FindInBatches(&buf, batchSize, func(tx gen.Dao, batch int) error {
+		defer func() { results = append(results, buf...) }()
+		return fc(tx, batch)
+	})
+	return results, err
+}
+
+func (c customerDo) FindInBatches(result *[]*models.Customer, batchSize int, fc func(tx gen.Dao, batch int) error) error {
+	return c.DO.FindInBatches(result, batchSize, fc)
+}
+
+func (c customerDo) Attrs(attrs ...field.AssignExpr) ICustomerDo {
+	return c.withDO(c.DO.Attrs(attrs...))
+}
+
+func (c customerDo) Assign(attrs ...field.AssignExpr) ICustomerDo {
+	return c.withDO(c.DO.Assign(attrs...))
+}
+
+func (c customerDo) Joins(fields ...field.RelationField) ICustomerDo {
+	for _, _f := range fields {
+		c = *c.withDO(c.DO.Joins(_f))
+	}
+	return &c
+}
+
+func (c customerDo) Preload(fields ...field.RelationField) ICustomerDo {
+	for _, _f := range fields {
+		c = *c.withDO(c.DO.Preload(_f))
+	}
+	return &c
+}
+
+func (c customerDo) FirstOrInit() (*models.Customer, error) {
+	if result, err := c.DO.FirstOrInit(); err != nil {
+		return nil, err
+	} else {
+		return result.(*models.Customer), nil
+	}
+}
+
+func (c customerDo) FirstOrCreate() (*models.Customer, error) {
+	if result, err := c.DO.FirstOrCreate(); err != nil {
+		return nil, err
+	} else {
+		return result.(*models.Customer), nil
+	}
+}
+
+func (c customerDo) FindByPage(offset int, limit int) (result []*models.Customer, count int64, err error) {
+	result, err = c.Offset(offset).Limit(limit).Find()
+	if err != nil {
+		return
+	}
+
+	if size := len(result); 0 < limit && 0 < size && size < limit {
+		count = int64(size + offset)
+		return
+	}
+
+	count, err = c.Offset(-1).Limit(-1).Count()
+	return
+}
+
+func (c customerDo) ScanByPage(result interface{}, offset int, limit int) (count int64, err error) {
+	count, err = c.Count()
+	if err != nil {
+		return
+	}
+
+	err = c.Offset(offset).Limit(limit).Scan(result)
+	return
+}
+
+func (c customerDo) Scan(result interface{}) (err error) {
+	return c.DO.Scan(result)
+}
+
+func (c customerDo) Delete(models ...*models.Customer) (result gen.ResultInfo, err error) {
+	return c.DO.Delete(models)
+}
+
+func (c *customerDo) withDO(do gen.Dao) *customerDo {
+	c.DO = *do.(*gen.DO)
+	return c
+}