// Code generated by ent, DO NOT EDIT.

package ent

import (
	"bj_power_mes/ent/predicate"
	"bj_power_mes/ent/processflow"
	"context"
	"errors"
	"fmt"
	"time"

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

// ProcessFlowUpdate is the builder for updating ProcessFlow entities.
type ProcessFlowUpdate struct {
	config
	hooks     []Hook
	mutation  *ProcessFlowMutation
	modifiers []func(*sql.UpdateBuilder)
}

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

// SetName sets the "name" field.
func (_u *ProcessFlowUpdate) SetName(v string) *ProcessFlowUpdate {
	_u.mutation.SetName(v)
	return _u
}

// SetNillableName sets the "name" field if the given value is not nil.
func (_u *ProcessFlowUpdate) SetNillableName(v *string) *ProcessFlowUpdate {
	if v != nil {
		_u.SetName(*v)
	}
	return _u
}

// SetPdfFile sets the "pdfFile" field.
func (_u *ProcessFlowUpdate) SetPdfFile(v string) *ProcessFlowUpdate {
	_u.mutation.SetPdfFile(v)
	return _u
}

// SetNillablePdfFile sets the "pdfFile" field if the given value is not nil.
func (_u *ProcessFlowUpdate) SetNillablePdfFile(v *string) *ProcessFlowUpdate {
	if v != nil {
		_u.SetPdfFile(*v)
	}
	return _u
}

// SetStatus sets the "status" field.
func (_u *ProcessFlowUpdate) SetStatus(v string) *ProcessFlowUpdate {
	_u.mutation.SetStatus(v)
	return _u
}

// SetNillableStatus sets the "status" field if the given value is not nil.
func (_u *ProcessFlowUpdate) SetNillableStatus(v *string) *ProcessFlowUpdate {
	if v != nil {
		_u.SetStatus(*v)
	}
	return _u
}

// SetRemark sets the "remark" field.
func (_u *ProcessFlowUpdate) SetRemark(v string) *ProcessFlowUpdate {
	_u.mutation.SetRemark(v)
	return _u
}

// SetNillableRemark sets the "remark" field if the given value is not nil.
func (_u *ProcessFlowUpdate) SetNillableRemark(v *string) *ProcessFlowUpdate {
	if v != nil {
		_u.SetRemark(*v)
	}
	return _u
}

// SetUpdatedAt sets the "updatedAt" field.
func (_u *ProcessFlowUpdate) SetUpdatedAt(v time.Time) *ProcessFlowUpdate {
	_u.mutation.SetUpdatedAt(v)
	return _u
}

// ClearUpdatedAt clears the value of the "updatedAt" field.
func (_u *ProcessFlowUpdate) ClearUpdatedAt() *ProcessFlowUpdate {
	_u.mutation.ClearUpdatedAt()
	return _u
}

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

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

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

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

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

// defaults sets the default values of the builder before save.
func (_u *ProcessFlowUpdate) defaults() {
	if _, ok := _u.mutation.UpdatedAt(); !ok && !_u.mutation.UpdatedAtCleared() {
		v := processflow.UpdateDefaultUpdatedAt()
		_u.mutation.SetUpdatedAt(v)
	}
}

// check runs all checks and user-defined validators on the builder.
func (_u *ProcessFlowUpdate) check() error {
	if v, ok := _u.mutation.Name(); ok {
		if err := processflow.NameValidator(v); err != nil {
			return &ValidationError{Name: "name", err: fmt.Errorf(`ent: validator failed for field "ProcessFlow.name": %w`, err)}
		}
	}
	if v, ok := _u.mutation.PdfFile(); ok {
		if err := processflow.PdfFileValidator(v); err != nil {
			return &ValidationError{Name: "pdfFile", err: fmt.Errorf(`ent: validator failed for field "ProcessFlow.pdfFile": %w`, err)}
		}
	}
	if v, ok := _u.mutation.Status(); ok {
		if err := processflow.StatusValidator(v); err != nil {
			return &ValidationError{Name: "status", err: fmt.Errorf(`ent: validator failed for field "ProcessFlow.status": %w`, err)}
		}
	}
	if v, ok := _u.mutation.Remark(); ok {
		if err := processflow.RemarkValidator(v); err != nil {
			return &ValidationError{Name: "remark", err: fmt.Errorf(`ent: validator failed for field "ProcessFlow.remark": %w`, err)}
		}
	}
	return nil
}

// Modify adds a statement modifier for attaching custom logic to the UPDATE statement.
func (_u *ProcessFlowUpdate) Modify(modifiers ...func(u *sql.UpdateBuilder)) *ProcessFlowUpdate {
	_u.modifiers = append(_u.modifiers, modifiers...)
	return _u
}

func (_u *ProcessFlowUpdate) sqlSave(ctx context.Context) (_node int, err error) {
	if err := _u.check(); err != nil {
		return _node, err
	}
	_spec := sqlgraph.NewUpdateSpec(processflow.Table, processflow.Columns, sqlgraph.NewFieldSpec(processflow.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.Name(); ok {
		_spec.SetField(processflow.FieldName, field.TypeString, value)
	}
	if value, ok := _u.mutation.PdfFile(); ok {
		_spec.SetField(processflow.FieldPdfFile, field.TypeString, value)
	}
	if value, ok := _u.mutation.Status(); ok {
		_spec.SetField(processflow.FieldStatus, field.TypeString, value)
	}
	if value, ok := _u.mutation.Remark(); ok {
		_spec.SetField(processflow.FieldRemark, field.TypeString, value)
	}
	if value, ok := _u.mutation.UpdatedAt(); ok {
		_spec.SetField(processflow.FieldUpdatedAt, field.TypeTime, value)
	}
	if _u.mutation.UpdatedAtCleared() {
		_spec.ClearField(processflow.FieldUpdatedAt, field.TypeTime)
	}
	_spec.AddModifiers(_u.modifiers...)
	if _node, err = sqlgraph.UpdateNodes(ctx, _u.driver, _spec); err != nil {
		if _, ok := err.(*sqlgraph.NotFoundError); ok {
			err = &NotFoundError{processflow.Label}
		} else if sqlgraph.IsConstraintError(err) {
			err = &ConstraintError{msg: err.Error(), wrap: err}
		}
		return 0, err
	}
	_u.mutation.done = true
	return _node, nil
}

// ProcessFlowUpdateOne is the builder for updating a single ProcessFlow entity.
type ProcessFlowUpdateOne struct {
	config
	fields    []string
	hooks     []Hook
	mutation  *ProcessFlowMutation
	modifiers []func(*sql.UpdateBuilder)
}

// SetName sets the "name" field.
func (_u *ProcessFlowUpdateOne) SetName(v string) *ProcessFlowUpdateOne {
	_u.mutation.SetName(v)
	return _u
}

// SetNillableName sets the "name" field if the given value is not nil.
func (_u *ProcessFlowUpdateOne) SetNillableName(v *string) *ProcessFlowUpdateOne {
	if v != nil {
		_u.SetName(*v)
	}
	return _u
}

// SetPdfFile sets the "pdfFile" field.
func (_u *ProcessFlowUpdateOne) SetPdfFile(v string) *ProcessFlowUpdateOne {
	_u.mutation.SetPdfFile(v)
	return _u
}

// SetNillablePdfFile sets the "pdfFile" field if the given value is not nil.
func (_u *ProcessFlowUpdateOne) SetNillablePdfFile(v *string) *ProcessFlowUpdateOne {
	if v != nil {
		_u.SetPdfFile(*v)
	}
	return _u
}

// SetStatus sets the "status" field.
func (_u *ProcessFlowUpdateOne) SetStatus(v string) *ProcessFlowUpdateOne {
	_u.mutation.SetStatus(v)
	return _u
}

// SetNillableStatus sets the "status" field if the given value is not nil.
func (_u *ProcessFlowUpdateOne) SetNillableStatus(v *string) *ProcessFlowUpdateOne {
	if v != nil {
		_u.SetStatus(*v)
	}
	return _u
}

// SetRemark sets the "remark" field.
func (_u *ProcessFlowUpdateOne) SetRemark(v string) *ProcessFlowUpdateOne {
	_u.mutation.SetRemark(v)
	return _u
}

// SetNillableRemark sets the "remark" field if the given value is not nil.
func (_u *ProcessFlowUpdateOne) SetNillableRemark(v *string) *ProcessFlowUpdateOne {
	if v != nil {
		_u.SetRemark(*v)
	}
	return _u
}

// SetUpdatedAt sets the "updatedAt" field.
func (_u *ProcessFlowUpdateOne) SetUpdatedAt(v time.Time) *ProcessFlowUpdateOne {
	_u.mutation.SetUpdatedAt(v)
	return _u
}

// ClearUpdatedAt clears the value of the "updatedAt" field.
func (_u *ProcessFlowUpdateOne) ClearUpdatedAt() *ProcessFlowUpdateOne {
	_u.mutation.ClearUpdatedAt()
	return _u
}

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

// Where appends a list predicates to the ProcessFlowUpdate builder.
func (_u *ProcessFlowUpdateOne) Where(ps ...predicate.ProcessFlow) *ProcessFlowUpdateOne {
	_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 *ProcessFlowUpdateOne) Select(field string, fields ...string) *ProcessFlowUpdateOne {
	_u.fields = append([]string{field}, fields...)
	return _u
}

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

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

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

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

// defaults sets the default values of the builder before save.
func (_u *ProcessFlowUpdateOne) defaults() {
	if _, ok := _u.mutation.UpdatedAt(); !ok && !_u.mutation.UpdatedAtCleared() {
		v := processflow.UpdateDefaultUpdatedAt()
		_u.mutation.SetUpdatedAt(v)
	}
}

// check runs all checks and user-defined validators on the builder.
func (_u *ProcessFlowUpdateOne) check() error {
	if v, ok := _u.mutation.Name(); ok {
		if err := processflow.NameValidator(v); err != nil {
			return &ValidationError{Name: "name", err: fmt.Errorf(`ent: validator failed for field "ProcessFlow.name": %w`, err)}
		}
	}
	if v, ok := _u.mutation.PdfFile(); ok {
		if err := processflow.PdfFileValidator(v); err != nil {
			return &ValidationError{Name: "pdfFile", err: fmt.Errorf(`ent: validator failed for field "ProcessFlow.pdfFile": %w`, err)}
		}
	}
	if v, ok := _u.mutation.Status(); ok {
		if err := processflow.StatusValidator(v); err != nil {
			return &ValidationError{Name: "status", err: fmt.Errorf(`ent: validator failed for field "ProcessFlow.status": %w`, err)}
		}
	}
	if v, ok := _u.mutation.Remark(); ok {
		if err := processflow.RemarkValidator(v); err != nil {
			return &ValidationError{Name: "remark", err: fmt.Errorf(`ent: validator failed for field "ProcessFlow.remark": %w`, err)}
		}
	}
	return nil
}

// Modify adds a statement modifier for attaching custom logic to the UPDATE statement.
func (_u *ProcessFlowUpdateOne) Modify(modifiers ...func(u *sql.UpdateBuilder)) *ProcessFlowUpdateOne {
	_u.modifiers = append(_u.modifiers, modifiers...)
	return _u
}

func (_u *ProcessFlowUpdateOne) sqlSave(ctx context.Context) (_node *ProcessFlow, err error) {
	if err := _u.check(); err != nil {
		return _node, err
	}
	_spec := sqlgraph.NewUpdateSpec(processflow.Table, processflow.Columns, sqlgraph.NewFieldSpec(processflow.FieldID, field.TypeInt))
	id, ok := _u.mutation.ID()
	if !ok {
		return nil, &ValidationError{Name: "id", err: errors.New(`ent: missing "ProcessFlow.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, processflow.FieldID)
		for _, f := range fields {
			if !processflow.ValidColumn(f) {
				return nil, &ValidationError{Name: f, err: fmt.Errorf("ent: invalid field %q for query", f)}
			}
			if f != processflow.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.Name(); ok {
		_spec.SetField(processflow.FieldName, field.TypeString, value)
	}
	if value, ok := _u.mutation.PdfFile(); ok {
		_spec.SetField(processflow.FieldPdfFile, field.TypeString, value)
	}
	if value, ok := _u.mutation.Status(); ok {
		_spec.SetField(processflow.FieldStatus, field.TypeString, value)
	}
	if value, ok := _u.mutation.Remark(); ok {
		_spec.SetField(processflow.FieldRemark, field.TypeString, value)
	}
	if value, ok := _u.mutation.UpdatedAt(); ok {
		_spec.SetField(processflow.FieldUpdatedAt, field.TypeTime, value)
	}
	if _u.mutation.UpdatedAtCleared() {
		_spec.ClearField(processflow.FieldUpdatedAt, field.TypeTime)
	}
	_spec.AddModifiers(_u.modifiers...)
	_node = &ProcessFlow{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{processflow.Label}
		} else if sqlgraph.IsConstraintError(err) {
			err = &ConstraintError{msg: err.Error(), wrap: err}
		}
		return nil, err
	}
	_u.mutation.done = true
	return _node, nil
}