exchange_update.go

// Code generated by ent, DO NOT EDIT.

package ent

import (
	"context"
	"errors"
	"fmt"

	"entgo.io/ent/dialect/sql"
	"entgo.io/ent/dialect/sql/sqlgraph"
	"entgo.io/ent/schema/field"
	"github.com/nathanhack/sibyl/ent/entity"
	"github.com/nathanhack/sibyl/ent/exchange"
	"github.com/nathanhack/sibyl/ent/predicate"
)

// ExchangeUpdate is the builder for updating Exchange entities.
type ExchangeUpdate struct {
	config
	hooks    []Hook
	mutation *ExchangeMutation
}

// Where appends a list predicates to the ExchangeUpdate builder.
func (eu *ExchangeUpdate) Where(ps ...predicate.Exchange) *ExchangeUpdate {
	eu.mutation.Where(ps...)
	return eu
}

// SetCode sets the "code" field.
func (eu *ExchangeUpdate) SetCode(s string) *ExchangeUpdate {
	eu.mutation.SetCode(s)
	return eu
}

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

// AddStockIDs adds the "stocks" edge to the Entity entity by IDs.
func (eu *ExchangeUpdate) AddStockIDs(ids ...int) *ExchangeUpdate {
	eu.mutation.AddStockIDs(ids...)
	return eu
}

// AddStocks adds the "stocks" edges to the Entity entity.
func (eu *ExchangeUpdate) AddStocks(e ...*Entity) *ExchangeUpdate {
	ids := make([]int, len(e))
	for i := range e {
		ids[i] = e[i].ID
	}
	return eu.AddStockIDs(ids...)
}

// Mutation returns the ExchangeMutation object of the builder.
func (eu *ExchangeUpdate) Mutation() *ExchangeMutation {
	return eu.mutation
}

// ClearStocks clears all "stocks" edges to the Entity entity.
func (eu *ExchangeUpdate) ClearStocks() *ExchangeUpdate {
	eu.mutation.ClearStocks()
	return eu
}

// RemoveStockIDs removes the "stocks" edge to Entity entities by IDs.
func (eu *ExchangeUpdate) RemoveStockIDs(ids ...int) *ExchangeUpdate {
	eu.mutation.RemoveStockIDs(ids...)
	return eu
}

// RemoveStocks removes "stocks" edges to Entity entities.
func (eu *ExchangeUpdate) RemoveStocks(e ...*Entity) *ExchangeUpdate {
	ids := make([]int, len(e))
	for i := range e {
		ids[i] = e[i].ID
	}
	return eu.RemoveStockIDs(ids...)
}

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

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

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

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

func (eu *ExchangeUpdate) sqlSave(ctx context.Context) (n int, err error) {
	_spec := &sqlgraph.UpdateSpec{
		Node: &sqlgraph.NodeSpec{
			Table:   exchange.Table,
			Columns: exchange.Columns,
			ID: &sqlgraph.FieldSpec{
				Type:   field.TypeInt,
				Column: exchange.FieldID,
			},
		},
	}
	if ps := eu.mutation.predicates; len(ps) > 0 {
		_spec.Predicate = func(selector *sql.Selector) {
			for i := range ps {
				ps[i](selector)
			}
		}
	}
	if value, ok := eu.mutation.Code(); ok {
		_spec.SetField(exchange.FieldCode, field.TypeString, value)
	}
	if value, ok := eu.mutation.Name(); ok {
		_spec.SetField(exchange.FieldName, field.TypeString, value)
	}
	if eu.mutation.StocksCleared() {
		edge := &sqlgraph.EdgeSpec{
			Rel:     sqlgraph.M2M,
			Inverse: true,
			Table:   exchange.StocksTable,
			Columns: exchange.StocksPrimaryKey,
			Bidi:    false,
			Target: &sqlgraph.EdgeTarget{
				IDSpec: &sqlgraph.FieldSpec{
					Type:   field.TypeInt,
					Column: entity.FieldID,
				},
			},
		}
		_spec.Edges.Clear = append(_spec.Edges.Clear, edge)
	}
	if nodes := eu.mutation.RemovedStocksIDs(); len(nodes) > 0 && !eu.mutation.StocksCleared() {
		edge := &sqlgraph.EdgeSpec{
			Rel:     sqlgraph.M2M,
			Inverse: true,
			Table:   exchange.StocksTable,
			Columns: exchange.StocksPrimaryKey,
			Bidi:    false,
			Target: &sqlgraph.EdgeTarget{
				IDSpec: &sqlgraph.FieldSpec{
					Type:   field.TypeInt,
					Column: entity.FieldID,
				},
			},
		}
		for _, k := range nodes {
			edge.Target.Nodes = append(edge.Target.Nodes, k)
		}
		_spec.Edges.Clear = append(_spec.Edges.Clear, edge)
	}
	if nodes := eu.mutation.StocksIDs(); len(nodes) > 0 {
		edge := &sqlgraph.EdgeSpec{
			Rel:     sqlgraph.M2M,
			Inverse: true,
			Table:   exchange.StocksTable,
			Columns: exchange.StocksPrimaryKey,
			Bidi:    false,
			Target: &sqlgraph.EdgeTarget{
				IDSpec: &sqlgraph.FieldSpec{
					Type:   field.TypeInt,
					Column: entity.FieldID,
				},
			},
		}
		for _, k := range nodes {
			edge.Target.Nodes = append(edge.Target.Nodes, k)
		}
		_spec.Edges.Add = append(_spec.Edges.Add, edge)
	}
	if n, err = sqlgraph.UpdateNodes(ctx, eu.driver, _spec); err != nil {
		if _, ok := err.(*sqlgraph.NotFoundError); ok {
			err = &NotFoundError{exchange.Label}
		} else if sqlgraph.IsConstraintError(err) {
			err = &ConstraintError{msg: err.Error(), wrap: err}
		}
		return 0, err
	}
	eu.mutation.done = true
	return n, nil
}

// ExchangeUpdateOne is the builder for updating a single Exchange entity.
type ExchangeUpdateOne struct {
	config
	fields   []string
	hooks    []Hook
	mutation *ExchangeMutation
}

// SetCode sets the "code" field.
func (euo *ExchangeUpdateOne) SetCode(s string) *ExchangeUpdateOne {
	euo.mutation.SetCode(s)
	return euo
}

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

// AddStockIDs adds the "stocks" edge to the Entity entity by IDs.
func (euo *ExchangeUpdateOne) AddStockIDs(ids ...int) *ExchangeUpdateOne {
	euo.mutation.AddStockIDs(ids...)
	return euo
}

// AddStocks adds the "stocks" edges to the Entity entity.
func (euo *ExchangeUpdateOne) AddStocks(e ...*Entity) *ExchangeUpdateOne {
	ids := make([]int, len(e))
	for i := range e {
		ids[i] = e[i].ID
	}
	return euo.AddStockIDs(ids...)
}

// Mutation returns the ExchangeMutation object of the builder.
func (euo *ExchangeUpdateOne) Mutation() *ExchangeMutation {
	return euo.mutation
}

// ClearStocks clears all "stocks" edges to the Entity entity.
func (euo *ExchangeUpdateOne) ClearStocks() *ExchangeUpdateOne {
	euo.mutation.ClearStocks()
	return euo
}

// RemoveStockIDs removes the "stocks" edge to Entity entities by IDs.
func (euo *ExchangeUpdateOne) RemoveStockIDs(ids ...int) *ExchangeUpdateOne {
	euo.mutation.RemoveStockIDs(ids...)
	return euo
}

// RemoveStocks removes "stocks" edges to Entity entities.
func (euo *ExchangeUpdateOne) RemoveStocks(e ...*Entity) *ExchangeUpdateOne {
	ids := make([]int, len(e))
	for i := range e {
		ids[i] = e[i].ID
	}
	return euo.RemoveStockIDs(ids...)
}

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

// Save executes the query and returns the updated Exchange entity.
func (euo *ExchangeUpdateOne) Save(ctx context.Context) (*Exchange, error) {
	return withHooks[*Exchange, ExchangeMutation](ctx, euo.sqlSave, euo.mutation, euo.hooks)
}

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

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

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

func (euo *ExchangeUpdateOne) sqlSave(ctx context.Context) (_node *Exchange, err error) {
	_spec := &sqlgraph.UpdateSpec{
		Node: &sqlgraph.NodeSpec{
			Table:   exchange.Table,
			Columns: exchange.Columns,
			ID: &sqlgraph.FieldSpec{
				Type:   field.TypeInt,
				Column: exchange.FieldID,
			},
		},
	}
	id, ok := euo.mutation.ID()
	if !ok {
		return nil, &ValidationError{Name: "id", err: errors.New(`ent: missing "Exchange.id" for update`)}
	}
	_spec.Node.ID.Value = id
	if fields := euo.fields; len(fields) > 0 {
		_spec.Node.Columns = make([]string, 0, len(fields))
		_spec.Node.Columns = append(_spec.Node.Columns, exchange.FieldID)
		for _, f := range fields {
			if !exchange.ValidColumn(f) {
				return nil, &ValidationError{Name: f, err: fmt.Errorf("ent: invalid field %q for query", f)}
			}
			if f != exchange.FieldID {
				_spec.Node.Columns = append(_spec.Node.Columns, f)
			}
		}
	}
	if ps := euo.mutation.predicates; len(ps) > 0 {
		_spec.Predicate = func(selector *sql.Selector) {
			for i := range ps {
				ps[i](selector)
			}
		}
	}
	if value, ok := euo.mutation.Code(); ok {
		_spec.SetField(exchange.FieldCode, field.TypeString, value)
	}
	if value, ok := euo.mutation.Name(); ok {
		_spec.SetField(exchange.FieldName, field.TypeString, value)
	}
	if euo.mutation.StocksCleared() {
		edge := &sqlgraph.EdgeSpec{
			Rel:     sqlgraph.M2M,
			Inverse: true,
			Table:   exchange.StocksTable,
			Columns: exchange.StocksPrimaryKey,
			Bidi:    false,
			Target: &sqlgraph.EdgeTarget{
				IDSpec: &sqlgraph.FieldSpec{
					Type:   field.TypeInt,
					Column: entity.FieldID,
				},
			},
		}
		_spec.Edges.Clear = append(_spec.Edges.Clear, edge)
	}
	if nodes := euo.mutation.RemovedStocksIDs(); len(nodes) > 0 && !euo.mutation.StocksCleared() {
		edge := &sqlgraph.EdgeSpec{
			Rel:     sqlgraph.M2M,
			Inverse: true,
			Table:   exchange.StocksTable,
			Columns: exchange.StocksPrimaryKey,
			Bidi:    false,
			Target: &sqlgraph.EdgeTarget{
				IDSpec: &sqlgraph.FieldSpec{
					Type:   field.TypeInt,
					Column: entity.FieldID,
				},
			},
		}
		for _, k := range nodes {
			edge.Target.Nodes = append(edge.Target.Nodes, k)
		}
		_spec.Edges.Clear = append(_spec.Edges.Clear, edge)
	}
	if nodes := euo.mutation.StocksIDs(); len(nodes) > 0 {
		edge := &sqlgraph.EdgeSpec{
			Rel:     sqlgraph.M2M,
			Inverse: true,
			Table:   exchange.StocksTable,
			Columns: exchange.StocksPrimaryKey,
			Bidi:    false,
			Target: &sqlgraph.EdgeTarget{
				IDSpec: &sqlgraph.FieldSpec{
					Type:   field.TypeInt,
					Column: entity.FieldID,
				},
			},
		}
		for _, k := range nodes {
			edge.Target.Nodes = append(edge.Target.Nodes, k)
		}
		_spec.Edges.Add = append(_spec.Edges.Add, edge)
	}
	_node = &Exchange{config: euo.config}
	_spec.Assign = _node.assignValues
	_spec.ScanValues = _node.scanValues
	if err = sqlgraph.UpdateNode(ctx, euo.driver, _spec); err != nil {
		if _, ok := err.(*sqlgraph.NotFoundError); ok {
			err = &NotFoundError{exchange.Label}
		} else if sqlgraph.IsConstraintError(err) {
			err = &ConstraintError{msg: err.Error(), wrap: err}
		}
		return nil, err
	}
	euo.mutation.done = true
	return _node, nil
}