// Code generated by ent, DO NOT EDIT.

package ent

import (
	"context"
	"wechat-api/ent/batchmsg"
	"wechat-api/ent/predicate"

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

// BatchMsgDelete is the builder for deleting a BatchMsg entity.
type BatchMsgDelete struct {
	config
	hooks    []Hook
	mutation *BatchMsgMutation
}

// Where appends a list predicates to the BatchMsgDelete builder.
func (bmd *BatchMsgDelete) Where(ps ...predicate.BatchMsg) *BatchMsgDelete {
	bmd.mutation.Where(ps...)
	return bmd
}

// Exec executes the deletion query and returns how many vertices were deleted.
func (bmd *BatchMsgDelete) Exec(ctx context.Context) (int, error) {
	return withHooks(ctx, bmd.sqlExec, bmd.mutation, bmd.hooks)
}

// ExecX is like Exec, but panics if an error occurs.
func (bmd *BatchMsgDelete) ExecX(ctx context.Context) int {
	n, err := bmd.Exec(ctx)
	if err != nil {
		panic(err)
	}
	return n
}

func (bmd *BatchMsgDelete) sqlExec(ctx context.Context) (int, error) {
	_spec := sqlgraph.NewDeleteSpec(batchmsg.Table, sqlgraph.NewFieldSpec(batchmsg.FieldID, field.TypeUint64))
	if ps := bmd.mutation.predicates; len(ps) > 0 {
		_spec.Predicate = func(selector *sql.Selector) {
			for i := range ps {
				ps[i](selector)
			}
		}
	}
	affected, err := sqlgraph.DeleteNodes(ctx, bmd.driver, _spec)
	if err != nil && sqlgraph.IsConstraintError(err) {
		err = &ConstraintError{msg: err.Error(), wrap: err}
	}
	bmd.mutation.done = true
	return affected, err
}

// BatchMsgDeleteOne is the builder for deleting a single BatchMsg entity.
type BatchMsgDeleteOne struct {
	bmd *BatchMsgDelete
}

// Where appends a list predicates to the BatchMsgDelete builder.
func (bmdo *BatchMsgDeleteOne) Where(ps ...predicate.BatchMsg) *BatchMsgDeleteOne {
	bmdo.bmd.mutation.Where(ps...)
	return bmdo
}

// Exec executes the deletion query.
func (bmdo *BatchMsgDeleteOne) Exec(ctx context.Context) error {
	n, err := bmdo.bmd.Exec(ctx)
	switch {
	case err != nil:
		return err
	case n == 0:
		return &NotFoundError{batchmsg.Label}
	default:
		return nil
	}
}

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