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api/ent/user_query.go
2023-04-06 12:39:26 +09:00

612 lines
16 KiB
Go

// Code generated by ent, DO NOT EDIT.
package ent
import (
"context"
"database/sql/driver"
"fmt"
"math"
"t/ent/card"
"t/ent/predicate"
"t/ent/user"
"entgo.io/ent/dialect/sql"
"entgo.io/ent/dialect/sql/sqlgraph"
"entgo.io/ent/schema/field"
)
// UserQuery is the builder for querying User entities.
type UserQuery struct {
config
ctx *QueryContext
order []OrderFunc
inters []Interceptor
predicates []predicate.User
withCard *CardQuery
withFKs bool
// intermediate query (i.e. traversal path).
sql *sql.Selector
path func(context.Context) (*sql.Selector, error)
}
// Where adds a new predicate for the UserQuery builder.
func (uq *UserQuery) Where(ps ...predicate.User) *UserQuery {
uq.predicates = append(uq.predicates, ps...)
return uq
}
// Limit the number of records to be returned by this query.
func (uq *UserQuery) Limit(limit int) *UserQuery {
uq.ctx.Limit = &limit
return uq
}
// Offset to start from.
func (uq *UserQuery) Offset(offset int) *UserQuery {
uq.ctx.Offset = &offset
return uq
}
// Unique configures the query builder to filter duplicate records on query.
// By default, unique is set to true, and can be disabled using this method.
func (uq *UserQuery) Unique(unique bool) *UserQuery {
uq.ctx.Unique = &unique
return uq
}
// Order specifies how the records should be ordered.
func (uq *UserQuery) Order(o ...OrderFunc) *UserQuery {
uq.order = append(uq.order, o...)
return uq
}
// QueryCard chains the current query on the "card" edge.
func (uq *UserQuery) QueryCard() *CardQuery {
query := (&CardClient{config: uq.config}).Query()
query.path = func(ctx context.Context) (fromU *sql.Selector, err error) {
if err := uq.prepareQuery(ctx); err != nil {
return nil, err
}
selector := uq.sqlQuery(ctx)
if err := selector.Err(); err != nil {
return nil, err
}
step := sqlgraph.NewStep(
sqlgraph.From(user.Table, user.FieldID, selector),
sqlgraph.To(card.Table, card.FieldID),
sqlgraph.Edge(sqlgraph.O2M, false, user.CardTable, user.CardColumn),
)
fromU = sqlgraph.SetNeighbors(uq.driver.Dialect(), step)
return fromU, nil
}
return query
}
// First returns the first User entity from the query.
// Returns a *NotFoundError when no User was found.
func (uq *UserQuery) First(ctx context.Context) (*User, error) {
nodes, err := uq.Limit(1).All(setContextOp(ctx, uq.ctx, "First"))
if err != nil {
return nil, err
}
if len(nodes) == 0 {
return nil, &NotFoundError{user.Label}
}
return nodes[0], nil
}
// FirstX is like First, but panics if an error occurs.
func (uq *UserQuery) FirstX(ctx context.Context) *User {
node, err := uq.First(ctx)
if err != nil && !IsNotFound(err) {
panic(err)
}
return node
}
// FirstID returns the first User ID from the query.
// Returns a *NotFoundError when no User ID was found.
func (uq *UserQuery) FirstID(ctx context.Context) (id int, err error) {
var ids []int
if ids, err = uq.Limit(1).IDs(setContextOp(ctx, uq.ctx, "FirstID")); err != nil {
return
}
if len(ids) == 0 {
err = &NotFoundError{user.Label}
return
}
return ids[0], nil
}
// FirstIDX is like FirstID, but panics if an error occurs.
func (uq *UserQuery) FirstIDX(ctx context.Context) int {
id, err := uq.FirstID(ctx)
if err != nil && !IsNotFound(err) {
panic(err)
}
return id
}
// Only returns a single User entity found by the query, ensuring it only returns one.
// Returns a *NotSingularError when more than one User entity is found.
// Returns a *NotFoundError when no User entities are found.
func (uq *UserQuery) Only(ctx context.Context) (*User, error) {
nodes, err := uq.Limit(2).All(setContextOp(ctx, uq.ctx, "Only"))
if err != nil {
return nil, err
}
switch len(nodes) {
case 1:
return nodes[0], nil
case 0:
return nil, &NotFoundError{user.Label}
default:
return nil, &NotSingularError{user.Label}
}
}
// OnlyX is like Only, but panics if an error occurs.
func (uq *UserQuery) OnlyX(ctx context.Context) *User {
node, err := uq.Only(ctx)
if err != nil {
panic(err)
}
return node
}
// OnlyID is like Only, but returns the only User ID in the query.
// Returns a *NotSingularError when more than one User ID is found.
// Returns a *NotFoundError when no entities are found.
func (uq *UserQuery) OnlyID(ctx context.Context) (id int, err error) {
var ids []int
if ids, err = uq.Limit(2).IDs(setContextOp(ctx, uq.ctx, "OnlyID")); err != nil {
return
}
switch len(ids) {
case 1:
id = ids[0]
case 0:
err = &NotFoundError{user.Label}
default:
err = &NotSingularError{user.Label}
}
return
}
// OnlyIDX is like OnlyID, but panics if an error occurs.
func (uq *UserQuery) OnlyIDX(ctx context.Context) int {
id, err := uq.OnlyID(ctx)
if err != nil {
panic(err)
}
return id
}
// All executes the query and returns a list of Users.
func (uq *UserQuery) All(ctx context.Context) ([]*User, error) {
ctx = setContextOp(ctx, uq.ctx, "All")
if err := uq.prepareQuery(ctx); err != nil {
return nil, err
}
qr := querierAll[[]*User, *UserQuery]()
return withInterceptors[[]*User](ctx, uq, qr, uq.inters)
}
// AllX is like All, but panics if an error occurs.
func (uq *UserQuery) AllX(ctx context.Context) []*User {
nodes, err := uq.All(ctx)
if err != nil {
panic(err)
}
return nodes
}
// IDs executes the query and returns a list of User IDs.
func (uq *UserQuery) IDs(ctx context.Context) (ids []int, err error) {
if uq.ctx.Unique == nil && uq.path != nil {
uq.Unique(true)
}
ctx = setContextOp(ctx, uq.ctx, "IDs")
if err = uq.Select(user.FieldID).Scan(ctx, &ids); err != nil {
return nil, err
}
return ids, nil
}
// IDsX is like IDs, but panics if an error occurs.
func (uq *UserQuery) IDsX(ctx context.Context) []int {
ids, err := uq.IDs(ctx)
if err != nil {
panic(err)
}
return ids
}
// Count returns the count of the given query.
func (uq *UserQuery) Count(ctx context.Context) (int, error) {
ctx = setContextOp(ctx, uq.ctx, "Count")
if err := uq.prepareQuery(ctx); err != nil {
return 0, err
}
return withInterceptors[int](ctx, uq, querierCount[*UserQuery](), uq.inters)
}
// CountX is like Count, but panics if an error occurs.
func (uq *UserQuery) CountX(ctx context.Context) int {
count, err := uq.Count(ctx)
if err != nil {
panic(err)
}
return count
}
// Exist returns true if the query has elements in the graph.
func (uq *UserQuery) Exist(ctx context.Context) (bool, error) {
ctx = setContextOp(ctx, uq.ctx, "Exist")
switch _, err := uq.FirstID(ctx); {
case IsNotFound(err):
return false, nil
case err != nil:
return false, fmt.Errorf("ent: check existence: %w", err)
default:
return true, nil
}
}
// ExistX is like Exist, but panics if an error occurs.
func (uq *UserQuery) ExistX(ctx context.Context) bool {
exist, err := uq.Exist(ctx)
if err != nil {
panic(err)
}
return exist
}
// Clone returns a duplicate of the UserQuery builder, including all associated steps. It can be
// used to prepare common query builders and use them differently after the clone is made.
func (uq *UserQuery) Clone() *UserQuery {
if uq == nil {
return nil
}
return &UserQuery{
config: uq.config,
ctx: uq.ctx.Clone(),
order: append([]OrderFunc{}, uq.order...),
inters: append([]Interceptor{}, uq.inters...),
predicates: append([]predicate.User{}, uq.predicates...),
withCard: uq.withCard.Clone(),
// clone intermediate query.
sql: uq.sql.Clone(),
path: uq.path,
}
}
// WithCard tells the query-builder to eager-load the nodes that are connected to
// the "card" edge. The optional arguments are used to configure the query builder of the edge.
func (uq *UserQuery) WithCard(opts ...func(*CardQuery)) *UserQuery {
query := (&CardClient{config: uq.config}).Query()
for _, opt := range opts {
opt(query)
}
uq.withCard = query
return uq
}
// GroupBy is used to group vertices by one or more fields/columns.
// It is often used with aggregate functions, like: count, max, mean, min, sum.
//
// Example:
//
// var v []struct {
// Username string `json:"username,omitempty"`
// Count int `json:"count,omitempty"`
// }
//
// client.User.Query().
// GroupBy(user.FieldUsername).
// Aggregate(ent.Count()).
// Scan(ctx, &v)
func (uq *UserQuery) GroupBy(field string, fields ...string) *UserGroupBy {
uq.ctx.Fields = append([]string{field}, fields...)
grbuild := &UserGroupBy{build: uq}
grbuild.flds = &uq.ctx.Fields
grbuild.label = user.Label
grbuild.scan = grbuild.Scan
return grbuild
}
// Select allows the selection one or more fields/columns for the given query,
// instead of selecting all fields in the entity.
//
// Example:
//
// var v []struct {
// Username string `json:"username,omitempty"`
// }
//
// client.User.Query().
// Select(user.FieldUsername).
// Scan(ctx, &v)
func (uq *UserQuery) Select(fields ...string) *UserSelect {
uq.ctx.Fields = append(uq.ctx.Fields, fields...)
sbuild := &UserSelect{UserQuery: uq}
sbuild.label = user.Label
sbuild.flds, sbuild.scan = &uq.ctx.Fields, sbuild.Scan
return sbuild
}
// Aggregate returns a UserSelect configured with the given aggregations.
func (uq *UserQuery) Aggregate(fns ...AggregateFunc) *UserSelect {
return uq.Select().Aggregate(fns...)
}
func (uq *UserQuery) prepareQuery(ctx context.Context) error {
for _, inter := range uq.inters {
if inter == nil {
return fmt.Errorf("ent: uninitialized interceptor (forgotten import ent/runtime?)")
}
if trv, ok := inter.(Traverser); ok {
if err := trv.Traverse(ctx, uq); err != nil {
return err
}
}
}
for _, f := range uq.ctx.Fields {
if !user.ValidColumn(f) {
return &ValidationError{Name: f, err: fmt.Errorf("ent: invalid field %q for query", f)}
}
}
if uq.path != nil {
prev, err := uq.path(ctx)
if err != nil {
return err
}
uq.sql = prev
}
return nil
}
func (uq *UserQuery) sqlAll(ctx context.Context, hooks ...queryHook) ([]*User, error) {
var (
nodes = []*User{}
withFKs = uq.withFKs
_spec = uq.querySpec()
loadedTypes = [1]bool{
uq.withCard != nil,
}
)
if withFKs {
_spec.Node.Columns = append(_spec.Node.Columns, user.ForeignKeys...)
}
_spec.ScanValues = func(columns []string) ([]any, error) {
return (*User).scanValues(nil, columns)
}
_spec.Assign = func(columns []string, values []any) error {
node := &User{config: uq.config}
nodes = append(nodes, node)
node.Edges.loadedTypes = loadedTypes
return node.assignValues(columns, values)
}
for i := range hooks {
hooks[i](ctx, _spec)
}
if err := sqlgraph.QueryNodes(ctx, uq.driver, _spec); err != nil {
return nil, err
}
if len(nodes) == 0 {
return nodes, nil
}
if query := uq.withCard; query != nil {
if err := uq.loadCard(ctx, query, nodes,
func(n *User) { n.Edges.Card = []*Card{} },
func(n *User, e *Card) { n.Edges.Card = append(n.Edges.Card, e) }); err != nil {
return nil, err
}
}
return nodes, nil
}
func (uq *UserQuery) loadCard(ctx context.Context, query *CardQuery, nodes []*User, init func(*User), assign func(*User, *Card)) error {
fks := make([]driver.Value, 0, len(nodes))
nodeids := make(map[int]*User)
for i := range nodes {
fks = append(fks, nodes[i].ID)
nodeids[nodes[i].ID] = nodes[i]
if init != nil {
init(nodes[i])
}
}
query.withFKs = true
query.Where(predicate.Card(func(s *sql.Selector) {
s.Where(sql.InValues(user.CardColumn, fks...))
}))
neighbors, err := query.All(ctx)
if err != nil {
return err
}
for _, n := range neighbors {
fk := n.user_card
if fk == nil {
return fmt.Errorf(`foreign-key "user_card" is nil for node %v`, n.ID)
}
node, ok := nodeids[*fk]
if !ok {
return fmt.Errorf(`unexpected foreign-key "user_card" returned %v for node %v`, *fk, n.ID)
}
assign(node, n)
}
return nil
}
func (uq *UserQuery) sqlCount(ctx context.Context) (int, error) {
_spec := uq.querySpec()
_spec.Node.Columns = uq.ctx.Fields
if len(uq.ctx.Fields) > 0 {
_spec.Unique = uq.ctx.Unique != nil && *uq.ctx.Unique
}
return sqlgraph.CountNodes(ctx, uq.driver, _spec)
}
func (uq *UserQuery) querySpec() *sqlgraph.QuerySpec {
_spec := sqlgraph.NewQuerySpec(user.Table, user.Columns, sqlgraph.NewFieldSpec(user.FieldID, field.TypeInt))
_spec.From = uq.sql
if unique := uq.ctx.Unique; unique != nil {
_spec.Unique = *unique
} else if uq.path != nil {
_spec.Unique = true
}
if fields := uq.ctx.Fields; len(fields) > 0 {
_spec.Node.Columns = make([]string, 0, len(fields))
_spec.Node.Columns = append(_spec.Node.Columns, user.FieldID)
for i := range fields {
if fields[i] != user.FieldID {
_spec.Node.Columns = append(_spec.Node.Columns, fields[i])
}
}
}
if ps := uq.predicates; len(ps) > 0 {
_spec.Predicate = func(selector *sql.Selector) {
for i := range ps {
ps[i](selector)
}
}
}
if limit := uq.ctx.Limit; limit != nil {
_spec.Limit = *limit
}
if offset := uq.ctx.Offset; offset != nil {
_spec.Offset = *offset
}
if ps := uq.order; len(ps) > 0 {
_spec.Order = func(selector *sql.Selector) {
for i := range ps {
ps[i](selector)
}
}
}
return _spec
}
func (uq *UserQuery) sqlQuery(ctx context.Context) *sql.Selector {
builder := sql.Dialect(uq.driver.Dialect())
t1 := builder.Table(user.Table)
columns := uq.ctx.Fields
if len(columns) == 0 {
columns = user.Columns
}
selector := builder.Select(t1.Columns(columns...)...).From(t1)
if uq.sql != nil {
selector = uq.sql
selector.Select(selector.Columns(columns...)...)
}
if uq.ctx.Unique != nil && *uq.ctx.Unique {
selector.Distinct()
}
for _, p := range uq.predicates {
p(selector)
}
for _, p := range uq.order {
p(selector)
}
if offset := uq.ctx.Offset; offset != nil {
// limit is mandatory for offset clause. We start
// with default value, and override it below if needed.
selector.Offset(*offset).Limit(math.MaxInt32)
}
if limit := uq.ctx.Limit; limit != nil {
selector.Limit(*limit)
}
return selector
}
// UserGroupBy is the group-by builder for User entities.
type UserGroupBy struct {
selector
build *UserQuery
}
// Aggregate adds the given aggregation functions to the group-by query.
func (ugb *UserGroupBy) Aggregate(fns ...AggregateFunc) *UserGroupBy {
ugb.fns = append(ugb.fns, fns...)
return ugb
}
// Scan applies the selector query and scans the result into the given value.
func (ugb *UserGroupBy) Scan(ctx context.Context, v any) error {
ctx = setContextOp(ctx, ugb.build.ctx, "GroupBy")
if err := ugb.build.prepareQuery(ctx); err != nil {
return err
}
return scanWithInterceptors[*UserQuery, *UserGroupBy](ctx, ugb.build, ugb, ugb.build.inters, v)
}
func (ugb *UserGroupBy) sqlScan(ctx context.Context, root *UserQuery, v any) error {
selector := root.sqlQuery(ctx).Select()
aggregation := make([]string, 0, len(ugb.fns))
for _, fn := range ugb.fns {
aggregation = append(aggregation, fn(selector))
}
if len(selector.SelectedColumns()) == 0 {
columns := make([]string, 0, len(*ugb.flds)+len(ugb.fns))
for _, f := range *ugb.flds {
columns = append(columns, selector.C(f))
}
columns = append(columns, aggregation...)
selector.Select(columns...)
}
selector.GroupBy(selector.Columns(*ugb.flds...)...)
if err := selector.Err(); err != nil {
return err
}
rows := &sql.Rows{}
query, args := selector.Query()
if err := ugb.build.driver.Query(ctx, query, args, rows); err != nil {
return err
}
defer rows.Close()
return sql.ScanSlice(rows, v)
}
// UserSelect is the builder for selecting fields of User entities.
type UserSelect struct {
*UserQuery
selector
}
// Aggregate adds the given aggregation functions to the selector query.
func (us *UserSelect) Aggregate(fns ...AggregateFunc) *UserSelect {
us.fns = append(us.fns, fns...)
return us
}
// Scan applies the selector query and scans the result into the given value.
func (us *UserSelect) Scan(ctx context.Context, v any) error {
ctx = setContextOp(ctx, us.ctx, "Select")
if err := us.prepareQuery(ctx); err != nil {
return err
}
return scanWithInterceptors[*UserQuery, *UserSelect](ctx, us.UserQuery, us, us.inters, v)
}
func (us *UserSelect) sqlScan(ctx context.Context, root *UserQuery, v any) error {
selector := root.sqlQuery(ctx)
aggregation := make([]string, 0, len(us.fns))
for _, fn := range us.fns {
aggregation = append(aggregation, fn(selector))
}
switch n := len(*us.selector.flds); {
case n == 0 && len(aggregation) > 0:
selector.Select(aggregation...)
case n != 0 && len(aggregation) > 0:
selector.AppendSelect(aggregation...)
}
rows := &sql.Rows{}
query, args := selector.Query()
if err := us.driver.Query(ctx, query, args, rows); err != nil {
return err
}
defer rows.Close()
return sql.ScanSlice(rows, v)
}