// Code generated by ent, DO NOT EDIT.

package ent

import (
	"bj_power_wms/ent/materialdemand"
	"bj_power_wms/ent/predicate"
	"context"
	"errors"
	"fmt"

	"entgo.io/ent/dialect/sql"
	"entgo.io/ent/dialect/sql/sqlgraph"
	"entgo.io/ent/schema/field"
)

// MaterialDemandUpdate is the builder for updating MaterialDemand entities.
type MaterialDemandUpdate struct {
	config
	hooks    []Hook
	mutation *MaterialDemandMutation
}

// Where appends a list predicates to the MaterialDemandUpdate builder.
func (_u *MaterialDemandUpdate) Where(ps ...predicate.MaterialDemand) *MaterialDemandUpdate {
	_u.mutation.Where(ps...)
	return _u
}

// SetMaterialCode sets the "material_code" field.
func (_u *MaterialDemandUpdate) SetMaterialCode(v string) *MaterialDemandUpdate {
	_u.mutation.SetMaterialCode(v)
	return _u
}

// SetNillableMaterialCode sets the "material_code" field if the given value is not nil.
func (_u *MaterialDemandUpdate) SetNillableMaterialCode(v *string) *MaterialDemandUpdate {
	if v != nil {
		_u.SetMaterialCode(*v)
	}
	return _u
}

// SetFuture5Qty sets the "future5_qty" field.
func (_u *MaterialDemandUpdate) SetFuture5Qty(v int) *MaterialDemandUpdate {
	_u.mutation.ResetFuture5Qty()
	_u.mutation.SetFuture5Qty(v)
	return _u
}

// SetNillableFuture5Qty sets the "future5_qty" field if the given value is not nil.
func (_u *MaterialDemandUpdate) SetNillableFuture5Qty(v *int) *MaterialDemandUpdate {
	if v != nil {
		_u.SetFuture5Qty(*v)
	}
	return _u
}

// AddFuture5Qty adds value to the "future5_qty" field.
func (_u *MaterialDemandUpdate) AddFuture5Qty(v int) *MaterialDemandUpdate {
	_u.mutation.AddFuture5Qty(v)
	return _u
}

// SetUpdatedAt sets the "updated_at" field.
func (_u *MaterialDemandUpdate) SetUpdatedAt(v int64) *MaterialDemandUpdate {
	_u.mutation.ResetUpdatedAt()
	_u.mutation.SetUpdatedAt(v)
	return _u
}

// SetNillableUpdatedAt sets the "updated_at" field if the given value is not nil.
func (_u *MaterialDemandUpdate) SetNillableUpdatedAt(v *int64) *MaterialDemandUpdate {
	if v != nil {
		_u.SetUpdatedAt(*v)
	}
	return _u
}

// AddUpdatedAt adds value to the "updated_at" field.
func (_u *MaterialDemandUpdate) AddUpdatedAt(v int64) *MaterialDemandUpdate {
	_u.mutation.AddUpdatedAt(v)
	return _u
}

// Mutation returns the MaterialDemandMutation object of the builder.
func (_u *MaterialDemandUpdate) Mutation() *MaterialDemandMutation {
	return _u.mutation
}

// Save executes the query and returns the number of nodes affected by the update operation.
func (_u *MaterialDemandUpdate) Save(ctx context.Context) (int, error) {
	return withHooks(ctx, _u.sqlSave, _u.mutation, _u.hooks)
}

// SaveX is like Save, but panics if an error occurs.
func (_u *MaterialDemandUpdate) SaveX(ctx context.Context) int {
	affected, err := _u.Save(ctx)
	if err != nil {
		panic(err)
	}
	return affected
}

// Exec executes the query.
func (_u *MaterialDemandUpdate) Exec(ctx context.Context) error {
	_, err := _u.Save(ctx)
	return err
}

// ExecX is like Exec, but panics if an error occurs.
func (_u *MaterialDemandUpdate) ExecX(ctx context.Context) {
	if err := _u.Exec(ctx); err != nil {
		panic(err)
	}
}

func (_u *MaterialDemandUpdate) sqlSave(ctx context.Context) (_node int, err error) {
	_spec := sqlgraph.NewUpdateSpec(materialdemand.Table, materialdemand.Columns, sqlgraph.NewFieldSpec(materialdemand.FieldID, field.TypeInt))
	if ps := _u.mutation.predicates; len(ps) > 0 {
		_spec.Predicate = func(selector *sql.Selector) {
			for i := range ps {
				ps[i](selector)
			}
		}
	}
	if value, ok := _u.mutation.MaterialCode(); ok {
		_spec.SetField(materialdemand.FieldMaterialCode, field.TypeString, value)
	}
	if value, ok := _u.mutation.Future5Qty(); ok {
		_spec.SetField(materialdemand.FieldFuture5Qty, field.TypeInt, value)
	}
	if value, ok := _u.mutation.AddedFuture5Qty(); ok {
		_spec.AddField(materialdemand.FieldFuture5Qty, field.TypeInt, value)
	}
	if value, ok := _u.mutation.UpdatedAt(); ok {
		_spec.SetField(materialdemand.FieldUpdatedAt, field.TypeInt64, value)
	}
	if value, ok := _u.mutation.AddedUpdatedAt(); ok {
		_spec.AddField(materialdemand.FieldUpdatedAt, field.TypeInt64, value)
	}
	if _node, err = sqlgraph.UpdateNodes(ctx, _u.driver, _spec); err != nil {
		if _, ok := err.(*sqlgraph.NotFoundError); ok {
			err = &NotFoundError{materialdemand.Label}
		} else if sqlgraph.IsConstraintError(err) {
			err = &ConstraintError{msg: err.Error(), wrap: err}
		}
		return 0, err
	}
	_u.mutation.done = true
	return _node, nil
}

// MaterialDemandUpdateOne is the builder for updating a single MaterialDemand entity.
type MaterialDemandUpdateOne struct {
	config
	fields   []string
	hooks    []Hook
	mutation *MaterialDemandMutation
}

// SetMaterialCode sets the "material_code" field.
func (_u *MaterialDemandUpdateOne) SetMaterialCode(v string) *MaterialDemandUpdateOne {
	_u.mutation.SetMaterialCode(v)
	return _u
}

// SetNillableMaterialCode sets the "material_code" field if the given value is not nil.
func (_u *MaterialDemandUpdateOne) SetNillableMaterialCode(v *string) *MaterialDemandUpdateOne {
	if v != nil {
		_u.SetMaterialCode(*v)
	}
	return _u
}

// SetFuture5Qty sets the "future5_qty" field.
func (_u *MaterialDemandUpdateOne) SetFuture5Qty(v int) *MaterialDemandUpdateOne {
	_u.mutation.ResetFuture5Qty()
	_u.mutation.SetFuture5Qty(v)
	return _u
}

// SetNillableFuture5Qty sets the "future5_qty" field if the given value is not nil.
func (_u *MaterialDemandUpdateOne) SetNillableFuture5Qty(v *int) *MaterialDemandUpdateOne {
	if v != nil {
		_u.SetFuture5Qty(*v)
	}
	return _u
}

// AddFuture5Qty adds value to the "future5_qty" field.
func (_u *MaterialDemandUpdateOne) AddFuture5Qty(v int) *MaterialDemandUpdateOne {
	_u.mutation.AddFuture5Qty(v)
	return _u
}

// SetUpdatedAt sets the "updated_at" field.
func (_u *MaterialDemandUpdateOne) SetUpdatedAt(v int64) *MaterialDemandUpdateOne {
	_u.mutation.ResetUpdatedAt()
	_u.mutation.SetUpdatedAt(v)
	return _u
}

// SetNillableUpdatedAt sets the "updated_at" field if the given value is not nil.
func (_u *MaterialDemandUpdateOne) SetNillableUpdatedAt(v *int64) *MaterialDemandUpdateOne {
	if v != nil {
		_u.SetUpdatedAt(*v)
	}
	return _u
}

// AddUpdatedAt adds value to the "updated_at" field.
func (_u *MaterialDemandUpdateOne) AddUpdatedAt(v int64) *MaterialDemandUpdateOne {
	_u.mutation.AddUpdatedAt(v)
	return _u
}

// Mutation returns the MaterialDemandMutation object of the builder.
func (_u *MaterialDemandUpdateOne) Mutation() *MaterialDemandMutation {
	return _u.mutation
}

// Where appends a list predicates to the MaterialDemandUpdate builder.
func (_u *MaterialDemandUpdateOne) Where(ps ...predicate.MaterialDemand) *MaterialDemandUpdateOne {
	_u.mutation.Where(ps...)
	return _u
}

// Select allows selecting one or more fields (columns) of the returned entity.
// The default is selecting all fields defined in the entity schema.
func (_u *MaterialDemandUpdateOne) Select(field string, fields ...string) *MaterialDemandUpdateOne {
	_u.fields = append([]string{field}, fields...)
	return _u
}

// Save executes the query and returns the updated MaterialDemand entity.
func (_u *MaterialDemandUpdateOne) Save(ctx context.Context) (*MaterialDemand, error) {
	return withHooks(ctx, _u.sqlSave, _u.mutation, _u.hooks)
}

// SaveX is like Save, but panics if an error occurs.
func (_u *MaterialDemandUpdateOne) SaveX(ctx context.Context) *MaterialDemand {
	node, err := _u.Save(ctx)
	if err != nil {
		panic(err)
	}
	return node
}

// Exec executes the query on the entity.
func (_u *MaterialDemandUpdateOne) Exec(ctx context.Context) error {
	_, err := _u.Save(ctx)
	return err
}

// ExecX is like Exec, but panics if an error occurs.
func (_u *MaterialDemandUpdateOne) ExecX(ctx context.Context) {
	if err := _u.Exec(ctx); err != nil {
		panic(err)
	}
}

func (_u *MaterialDemandUpdateOne) sqlSave(ctx context.Context) (_node *MaterialDemand, err error) {
	_spec := sqlgraph.NewUpdateSpec(materialdemand.Table, materialdemand.Columns, sqlgraph.NewFieldSpec(materialdemand.FieldID, field.TypeInt))
	id, ok := _u.mutation.ID()
	if !ok {
		return nil, &ValidationError{Name: "id", err: errors.New(`ent: missing "MaterialDemand.id" for update`)}
	}
	_spec.Node.ID.Value = id
	if fields := _u.fields; len(fields) > 0 {
		_spec.Node.Columns = make([]string, 0, len(fields))
		_spec.Node.Columns = append(_spec.Node.Columns, materialdemand.FieldID)
		for _, f := range fields {
			if !materialdemand.ValidColumn(f) {
				return nil, &ValidationError{Name: f, err: fmt.Errorf("ent: invalid field %q for query", f)}
			}
			if f != materialdemand.FieldID {
				_spec.Node.Columns = append(_spec.Node.Columns, f)
			}
		}
	}
	if ps := _u.mutation.predicates; len(ps) > 0 {
		_spec.Predicate = func(selector *sql.Selector) {
			for i := range ps {
				ps[i](selector)
			}
		}
	}
	if value, ok := _u.mutation.MaterialCode(); ok {
		_spec.SetField(materialdemand.FieldMaterialCode, field.TypeString, value)
	}
	if value, ok := _u.mutation.Future5Qty(); ok {
		_spec.SetField(materialdemand.FieldFuture5Qty, field.TypeInt, value)
	}
	if value, ok := _u.mutation.AddedFuture5Qty(); ok {
		_spec.AddField(materialdemand.FieldFuture5Qty, field.TypeInt, value)
	}
	if value, ok := _u.mutation.UpdatedAt(); ok {
		_spec.SetField(materialdemand.FieldUpdatedAt, field.TypeInt64, value)
	}
	if value, ok := _u.mutation.AddedUpdatedAt(); ok {
		_spec.AddField(materialdemand.FieldUpdatedAt, field.TypeInt64, value)
	}
	_node = &MaterialDemand{config: _u.config}
	_spec.Assign = _node.assignValues
	_spec.ScanValues = _node.scanValues
	if err = sqlgraph.UpdateNode(ctx, _u.driver, _spec); err != nil {
		if _, ok := err.(*sqlgraph.NotFoundError); ok {
			err = &NotFoundError{materialdemand.Label}
		} else if sqlgraph.IsConstraintError(err) {
			err = &ConstraintError{msg: err.Error(), wrap: err}
		}
		return nil, err
	}
	_u.mutation.done = true
	return _node, nil
}