// Code generated by ent, DO NOT EDIT.

package ent

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

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

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

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

// SetStationNo sets the "stationNo" field.
func (_u *StationStateUpdate) SetStationNo(v int) *StationStateUpdate {
	_u.mutation.ResetStationNo()
	_u.mutation.SetStationNo(v)
	return _u
}

// SetNillableStationNo sets the "stationNo" field if the given value is not nil.
func (_u *StationStateUpdate) SetNillableStationNo(v *int) *StationStateUpdate {
	if v != nil {
		_u.SetStationNo(*v)
	}
	return _u
}

// AddStationNo adds value to the "stationNo" field.
func (_u *StationStateUpdate) AddStationNo(v int) *StationStateUpdate {
	_u.mutation.AddStationNo(v)
	return _u
}

// SetDate sets the "date" field.
func (_u *StationStateUpdate) SetDate(v string) *StationStateUpdate {
	_u.mutation.SetDate(v)
	return _u
}

// SetNillableDate sets the "date" field if the given value is not nil.
func (_u *StationStateUpdate) SetNillableDate(v *string) *StationStateUpdate {
	if v != nil {
		_u.SetDate(*v)
	}
	return _u
}

// SetPaused sets the "paused" field.
func (_u *StationStateUpdate) SetPaused(v bool) *StationStateUpdate {
	_u.mutation.SetPaused(v)
	return _u
}

// SetNillablePaused sets the "paused" field if the given value is not nil.
func (_u *StationStateUpdate) SetNillablePaused(v *bool) *StationStateUpdate {
	if v != nil {
		_u.SetPaused(*v)
	}
	return _u
}

// SetReason sets the "reason" field.
func (_u *StationStateUpdate) SetReason(v string) *StationStateUpdate {
	_u.mutation.SetReason(v)
	return _u
}

// SetNillableReason sets the "reason" field if the given value is not nil.
func (_u *StationStateUpdate) SetNillableReason(v *string) *StationStateUpdate {
	if v != nil {
		_u.SetReason(*v)
	}
	return _u
}

// SetOperator sets the "operator" field.
func (_u *StationStateUpdate) SetOperator(v string) *StationStateUpdate {
	_u.mutation.SetOperator(v)
	return _u
}

// SetNillableOperator sets the "operator" field if the given value is not nil.
func (_u *StationStateUpdate) SetNillableOperator(v *string) *StationStateUpdate {
	if v != nil {
		_u.SetOperator(*v)
	}
	return _u
}

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

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

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

// Save executes the query and returns the number of nodes affected by the update operation.
func (_u *StationStateUpdate) 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 *StationStateUpdate) SaveX(ctx context.Context) int {
	affected, err := _u.Save(ctx)
	if err != nil {
		panic(err)
	}
	return affected
}

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

// ExecX is like Exec, but panics if an error occurs.
func (_u *StationStateUpdate) 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 *StationStateUpdate) defaults() {
	if _, ok := _u.mutation.UpdatedAt(); !ok && !_u.mutation.UpdatedAtCleared() {
		v := stationstate.UpdateDefaultUpdatedAt()
		_u.mutation.SetUpdatedAt(v)
	}
}

// check runs all checks and user-defined validators on the builder.
func (_u *StationStateUpdate) check() error {
	if v, ok := _u.mutation.Date(); ok {
		if err := stationstate.DateValidator(v); err != nil {
			return &ValidationError{Name: "date", err: fmt.Errorf(`ent: validator failed for field "StationState.date": %w`, err)}
		}
	}
	if v, ok := _u.mutation.Reason(); ok {
		if err := stationstate.ReasonValidator(v); err != nil {
			return &ValidationError{Name: "reason", err: fmt.Errorf(`ent: validator failed for field "StationState.reason": %w`, err)}
		}
	}
	if v, ok := _u.mutation.Operator(); ok {
		if err := stationstate.OperatorValidator(v); err != nil {
			return &ValidationError{Name: "operator", err: fmt.Errorf(`ent: validator failed for field "StationState.operator": %w`, err)}
		}
	}
	return nil
}

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

func (_u *StationStateUpdate) sqlSave(ctx context.Context) (_node int, err error) {
	if err := _u.check(); err != nil {
		return _node, err
	}
	_spec := sqlgraph.NewUpdateSpec(stationstate.Table, stationstate.Columns, sqlgraph.NewFieldSpec(stationstate.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.StationNo(); ok {
		_spec.SetField(stationstate.FieldStationNo, field.TypeInt, value)
	}
	if value, ok := _u.mutation.AddedStationNo(); ok {
		_spec.AddField(stationstate.FieldStationNo, field.TypeInt, value)
	}
	if value, ok := _u.mutation.Date(); ok {
		_spec.SetField(stationstate.FieldDate, field.TypeString, value)
	}
	if value, ok := _u.mutation.Paused(); ok {
		_spec.SetField(stationstate.FieldPaused, field.TypeBool, value)
	}
	if value, ok := _u.mutation.Reason(); ok {
		_spec.SetField(stationstate.FieldReason, field.TypeString, value)
	}
	if value, ok := _u.mutation.Operator(); ok {
		_spec.SetField(stationstate.FieldOperator, field.TypeString, value)
	}
	if value, ok := _u.mutation.UpdatedAt(); ok {
		_spec.SetField(stationstate.FieldUpdatedAt, field.TypeTime, value)
	}
	if _u.mutation.UpdatedAtCleared() {
		_spec.ClearField(stationstate.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{stationstate.Label}
		} else if sqlgraph.IsConstraintError(err) {
			err = &ConstraintError{msg: err.Error(), wrap: err}
		}
		return 0, err
	}
	_u.mutation.done = true
	return _node, nil
}

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

// SetStationNo sets the "stationNo" field.
func (_u *StationStateUpdateOne) SetStationNo(v int) *StationStateUpdateOne {
	_u.mutation.ResetStationNo()
	_u.mutation.SetStationNo(v)
	return _u
}

// SetNillableStationNo sets the "stationNo" field if the given value is not nil.
func (_u *StationStateUpdateOne) SetNillableStationNo(v *int) *StationStateUpdateOne {
	if v != nil {
		_u.SetStationNo(*v)
	}
	return _u
}

// AddStationNo adds value to the "stationNo" field.
func (_u *StationStateUpdateOne) AddStationNo(v int) *StationStateUpdateOne {
	_u.mutation.AddStationNo(v)
	return _u
}

// SetDate sets the "date" field.
func (_u *StationStateUpdateOne) SetDate(v string) *StationStateUpdateOne {
	_u.mutation.SetDate(v)
	return _u
}

// SetNillableDate sets the "date" field if the given value is not nil.
func (_u *StationStateUpdateOne) SetNillableDate(v *string) *StationStateUpdateOne {
	if v != nil {
		_u.SetDate(*v)
	}
	return _u
}

// SetPaused sets the "paused" field.
func (_u *StationStateUpdateOne) SetPaused(v bool) *StationStateUpdateOne {
	_u.mutation.SetPaused(v)
	return _u
}

// SetNillablePaused sets the "paused" field if the given value is not nil.
func (_u *StationStateUpdateOne) SetNillablePaused(v *bool) *StationStateUpdateOne {
	if v != nil {
		_u.SetPaused(*v)
	}
	return _u
}

// SetReason sets the "reason" field.
func (_u *StationStateUpdateOne) SetReason(v string) *StationStateUpdateOne {
	_u.mutation.SetReason(v)
	return _u
}

// SetNillableReason sets the "reason" field if the given value is not nil.
func (_u *StationStateUpdateOne) SetNillableReason(v *string) *StationStateUpdateOne {
	if v != nil {
		_u.SetReason(*v)
	}
	return _u
}

// SetOperator sets the "operator" field.
func (_u *StationStateUpdateOne) SetOperator(v string) *StationStateUpdateOne {
	_u.mutation.SetOperator(v)
	return _u
}

// SetNillableOperator sets the "operator" field if the given value is not nil.
func (_u *StationStateUpdateOne) SetNillableOperator(v *string) *StationStateUpdateOne {
	if v != nil {
		_u.SetOperator(*v)
	}
	return _u
}

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

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

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

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

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

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

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

// ExecX is like Exec, but panics if an error occurs.
func (_u *StationStateUpdateOne) 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 *StationStateUpdateOne) defaults() {
	if _, ok := _u.mutation.UpdatedAt(); !ok && !_u.mutation.UpdatedAtCleared() {
		v := stationstate.UpdateDefaultUpdatedAt()
		_u.mutation.SetUpdatedAt(v)
	}
}

// check runs all checks and user-defined validators on the builder.
func (_u *StationStateUpdateOne) check() error {
	if v, ok := _u.mutation.Date(); ok {
		if err := stationstate.DateValidator(v); err != nil {
			return &ValidationError{Name: "date", err: fmt.Errorf(`ent: validator failed for field "StationState.date": %w`, err)}
		}
	}
	if v, ok := _u.mutation.Reason(); ok {
		if err := stationstate.ReasonValidator(v); err != nil {
			return &ValidationError{Name: "reason", err: fmt.Errorf(`ent: validator failed for field "StationState.reason": %w`, err)}
		}
	}
	if v, ok := _u.mutation.Operator(); ok {
		if err := stationstate.OperatorValidator(v); err != nil {
			return &ValidationError{Name: "operator", err: fmt.Errorf(`ent: validator failed for field "StationState.operator": %w`, err)}
		}
	}
	return nil
}

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

func (_u *StationStateUpdateOne) sqlSave(ctx context.Context) (_node *StationState, err error) {
	if err := _u.check(); err != nil {
		return _node, err
	}
	_spec := sqlgraph.NewUpdateSpec(stationstate.Table, stationstate.Columns, sqlgraph.NewFieldSpec(stationstate.FieldID, field.TypeInt))
	id, ok := _u.mutation.ID()
	if !ok {
		return nil, &ValidationError{Name: "id", err: errors.New(`ent: missing "StationState.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, stationstate.FieldID)
		for _, f := range fields {
			if !stationstate.ValidColumn(f) {
				return nil, &ValidationError{Name: f, err: fmt.Errorf("ent: invalid field %q for query", f)}
			}
			if f != stationstate.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.StationNo(); ok {
		_spec.SetField(stationstate.FieldStationNo, field.TypeInt, value)
	}
	if value, ok := _u.mutation.AddedStationNo(); ok {
		_spec.AddField(stationstate.FieldStationNo, field.TypeInt, value)
	}
	if value, ok := _u.mutation.Date(); ok {
		_spec.SetField(stationstate.FieldDate, field.TypeString, value)
	}
	if value, ok := _u.mutation.Paused(); ok {
		_spec.SetField(stationstate.FieldPaused, field.TypeBool, value)
	}
	if value, ok := _u.mutation.Reason(); ok {
		_spec.SetField(stationstate.FieldReason, field.TypeString, value)
	}
	if value, ok := _u.mutation.Operator(); ok {
		_spec.SetField(stationstate.FieldOperator, field.TypeString, value)
	}
	if value, ok := _u.mutation.UpdatedAt(); ok {
		_spec.SetField(stationstate.FieldUpdatedAt, field.TypeTime, value)
	}
	if _u.mutation.UpdatedAtCleared() {
		_spec.ClearField(stationstate.FieldUpdatedAt, field.TypeTime)
	}
	_spec.AddModifiers(_u.modifiers...)
	_node = &StationState{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{stationstate.Label}
		} else if sqlgraph.IsConstraintError(err) {
			err = &ConstraintError{msg: err.Error(), wrap: err}
		}
		return nil, err
	}
	_u.mutation.done = true
	return _node, nil
}