// Code generated by ent, DO NOT EDIT.

package ent

import (
	"context"
	"errors"
	"fmt"
	"time"

	"entgo.io/ent/dialect/sql"
	"entgo.io/ent/dialect/sql/sqlgraph"
	"entgo.io/ent/schema/field"
	"leafdev.top/leaf/rag/ent/library"
	"leafdev.top/leaf/rag/ent/predicate"
)

// LibraryUpdate is the builder for updating Library entities.
type LibraryUpdate struct {
	config
	hooks    []Hook
	mutation *LibraryMutation
}

// Where appends a list predicates to the LibraryUpdate builder.
func (lu *LibraryUpdate) Where(ps ...predicate.Library) *LibraryUpdate {
	lu.mutation.Where(ps...)
	return lu
}

// SetName sets the "name" field.
func (lu *LibraryUpdate) SetName(s string) *LibraryUpdate {
	lu.mutation.SetName(s)
	return lu
}

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

// SetUserID sets the "user_id" field.
func (lu *LibraryUpdate) SetUserID(s string) *LibraryUpdate {
	lu.mutation.SetUserID(s)
	return lu
}

// SetNillableUserID sets the "user_id" field if the given value is not nil.
func (lu *LibraryUpdate) SetNillableUserID(s *string) *LibraryUpdate {
	if s != nil {
		lu.SetUserID(*s)
	}
	return lu
}

// SetCreatedAt sets the "created_at" field.
func (lu *LibraryUpdate) SetCreatedAt(t time.Time) *LibraryUpdate {
	lu.mutation.SetCreatedAt(t)
	return lu
}

// SetNillableCreatedAt sets the "created_at" field if the given value is not nil.
func (lu *LibraryUpdate) SetNillableCreatedAt(t *time.Time) *LibraryUpdate {
	if t != nil {
		lu.SetCreatedAt(*t)
	}
	return lu
}

// SetUpdatedAt sets the "updated_at" field.
func (lu *LibraryUpdate) SetUpdatedAt(t time.Time) *LibraryUpdate {
	lu.mutation.SetUpdatedAt(t)
	return lu
}

// SetNillableUpdatedAt sets the "updated_at" field if the given value is not nil.
func (lu *LibraryUpdate) SetNillableUpdatedAt(t *time.Time) *LibraryUpdate {
	if t != nil {
		lu.SetUpdatedAt(*t)
	}
	return lu
}

// Mutation returns the LibraryMutation object of the builder.
func (lu *LibraryUpdate) Mutation() *LibraryMutation {
	return lu.mutation
}

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

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

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

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

func (lu *LibraryUpdate) sqlSave(ctx context.Context) (n int, err error) {
	_spec := sqlgraph.NewUpdateSpec(library.Table, library.Columns, sqlgraph.NewFieldSpec(library.FieldID, field.TypeInt))
	if ps := lu.mutation.predicates; len(ps) > 0 {
		_spec.Predicate = func(selector *sql.Selector) {
			for i := range ps {
				ps[i](selector)
			}
		}
	}
	if value, ok := lu.mutation.Name(); ok {
		_spec.SetField(library.FieldName, field.TypeString, value)
	}
	if value, ok := lu.mutation.UserID(); ok {
		_spec.SetField(library.FieldUserID, field.TypeString, value)
	}
	if value, ok := lu.mutation.CreatedAt(); ok {
		_spec.SetField(library.FieldCreatedAt, field.TypeTime, value)
	}
	if value, ok := lu.mutation.UpdatedAt(); ok {
		_spec.SetField(library.FieldUpdatedAt, field.TypeTime, value)
	}
	if n, err = sqlgraph.UpdateNodes(ctx, lu.driver, _spec); err != nil {
		if _, ok := err.(*sqlgraph.NotFoundError); ok {
			err = &NotFoundError{library.Label}
		} else if sqlgraph.IsConstraintError(err) {
			err = &ConstraintError{msg: err.Error(), wrap: err}
		}
		return 0, err
	}
	lu.mutation.done = true
	return n, nil
}

// LibraryUpdateOne is the builder for updating a single Library entity.
type LibraryUpdateOne struct {
	config
	fields   []string
	hooks    []Hook
	mutation *LibraryMutation
}

// SetName sets the "name" field.
func (luo *LibraryUpdateOne) SetName(s string) *LibraryUpdateOne {
	luo.mutation.SetName(s)
	return luo
}

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

// SetUserID sets the "user_id" field.
func (luo *LibraryUpdateOne) SetUserID(s string) *LibraryUpdateOne {
	luo.mutation.SetUserID(s)
	return luo
}

// SetNillableUserID sets the "user_id" field if the given value is not nil.
func (luo *LibraryUpdateOne) SetNillableUserID(s *string) *LibraryUpdateOne {
	if s != nil {
		luo.SetUserID(*s)
	}
	return luo
}

// SetCreatedAt sets the "created_at" field.
func (luo *LibraryUpdateOne) SetCreatedAt(t time.Time) *LibraryUpdateOne {
	luo.mutation.SetCreatedAt(t)
	return luo
}

// SetNillableCreatedAt sets the "created_at" field if the given value is not nil.
func (luo *LibraryUpdateOne) SetNillableCreatedAt(t *time.Time) *LibraryUpdateOne {
	if t != nil {
		luo.SetCreatedAt(*t)
	}
	return luo
}

// SetUpdatedAt sets the "updated_at" field.
func (luo *LibraryUpdateOne) SetUpdatedAt(t time.Time) *LibraryUpdateOne {
	luo.mutation.SetUpdatedAt(t)
	return luo
}

// SetNillableUpdatedAt sets the "updated_at" field if the given value is not nil.
func (luo *LibraryUpdateOne) SetNillableUpdatedAt(t *time.Time) *LibraryUpdateOne {
	if t != nil {
		luo.SetUpdatedAt(*t)
	}
	return luo
}

// Mutation returns the LibraryMutation object of the builder.
func (luo *LibraryUpdateOne) Mutation() *LibraryMutation {
	return luo.mutation
}

// Where appends a list predicates to the LibraryUpdate builder.
func (luo *LibraryUpdateOne) Where(ps ...predicate.Library) *LibraryUpdateOne {
	luo.mutation.Where(ps...)
	return luo
}

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

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

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

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

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

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