zkt24/z2/backend/ent/key_query.go

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2024-04-25 11:51:47 +00:00
// Code generated by ent, DO NOT EDIT.
package ent
import (
"context"
"database/sql/driver"
"fmt"
"math"
"thesis/ent/key"
"thesis/ent/predicate"
"thesis/ent/transactions"
"entgo.io/ent/dialect/sql"
"entgo.io/ent/dialect/sql/sqlgraph"
"entgo.io/ent/schema/field"
)
// KeyQuery is the builder for querying Key entities.
type KeyQuery struct {
config
ctx *QueryContext
order []key.OrderOption
inters []Interceptor
predicates []predicate.Key
withSigned *TransactionsQuery
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 KeyQuery builder.
func (kq *KeyQuery) Where(ps ...predicate.Key) *KeyQuery {
kq.predicates = append(kq.predicates, ps...)
return kq
}
// Limit the number of records to be returned by this query.
func (kq *KeyQuery) Limit(limit int) *KeyQuery {
kq.ctx.Limit = &limit
return kq
}
// Offset to start from.
func (kq *KeyQuery) Offset(offset int) *KeyQuery {
kq.ctx.Offset = &offset
return kq
}
// 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 (kq *KeyQuery) Unique(unique bool) *KeyQuery {
kq.ctx.Unique = &unique
return kq
}
// Order specifies how the records should be ordered.
func (kq *KeyQuery) Order(o ...key.OrderOption) *KeyQuery {
kq.order = append(kq.order, o...)
return kq
}
// QuerySigned chains the current query on the "Signed" edge.
func (kq *KeyQuery) QuerySigned() *TransactionsQuery {
query := (&TransactionsClient{config: kq.config}).Query()
query.path = func(ctx context.Context) (fromU *sql.Selector, err error) {
if err := kq.prepareQuery(ctx); err != nil {
return nil, err
}
selector := kq.sqlQuery(ctx)
if err := selector.Err(); err != nil {
return nil, err
}
step := sqlgraph.NewStep(
sqlgraph.From(key.Table, key.FieldID, selector),
sqlgraph.To(transactions.Table, transactions.FieldID),
sqlgraph.Edge(sqlgraph.M2M, false, key.SignedTable, key.SignedPrimaryKey...),
)
fromU = sqlgraph.SetNeighbors(kq.driver.Dialect(), step)
return fromU, nil
}
return query
}
// First returns the first Key entity from the query.
// Returns a *NotFoundError when no Key was found.
func (kq *KeyQuery) First(ctx context.Context) (*Key, error) {
nodes, err := kq.Limit(1).All(setContextOp(ctx, kq.ctx, "First"))
if err != nil {
return nil, err
}
if len(nodes) == 0 {
return nil, &NotFoundError{key.Label}
}
return nodes[0], nil
}
// FirstX is like First, but panics if an error occurs.
func (kq *KeyQuery) FirstX(ctx context.Context) *Key {
node, err := kq.First(ctx)
if err != nil && !IsNotFound(err) {
panic(err)
}
return node
}
// FirstID returns the first Key ID from the query.
// Returns a *NotFoundError when no Key ID was found.
func (kq *KeyQuery) FirstID(ctx context.Context) (id int, err error) {
var ids []int
if ids, err = kq.Limit(1).IDs(setContextOp(ctx, kq.ctx, "FirstID")); err != nil {
return
}
if len(ids) == 0 {
err = &NotFoundError{key.Label}
return
}
return ids[0], nil
}
// FirstIDX is like FirstID, but panics if an error occurs.
func (kq *KeyQuery) FirstIDX(ctx context.Context) int {
id, err := kq.FirstID(ctx)
if err != nil && !IsNotFound(err) {
panic(err)
}
return id
}
// Only returns a single Key entity found by the query, ensuring it only returns one.
// Returns a *NotSingularError when more than one Key entity is found.
// Returns a *NotFoundError when no Key entities are found.
func (kq *KeyQuery) Only(ctx context.Context) (*Key, error) {
nodes, err := kq.Limit(2).All(setContextOp(ctx, kq.ctx, "Only"))
if err != nil {
return nil, err
}
switch len(nodes) {
case 1:
return nodes[0], nil
case 0:
return nil, &NotFoundError{key.Label}
default:
return nil, &NotSingularError{key.Label}
}
}
// OnlyX is like Only, but panics if an error occurs.
func (kq *KeyQuery) OnlyX(ctx context.Context) *Key {
node, err := kq.Only(ctx)
if err != nil {
panic(err)
}
return node
}
// OnlyID is like Only, but returns the only Key ID in the query.
// Returns a *NotSingularError when more than one Key ID is found.
// Returns a *NotFoundError when no entities are found.
func (kq *KeyQuery) OnlyID(ctx context.Context) (id int, err error) {
var ids []int
if ids, err = kq.Limit(2).IDs(setContextOp(ctx, kq.ctx, "OnlyID")); err != nil {
return
}
switch len(ids) {
case 1:
id = ids[0]
case 0:
err = &NotFoundError{key.Label}
default:
err = &NotSingularError{key.Label}
}
return
}
// OnlyIDX is like OnlyID, but panics if an error occurs.
func (kq *KeyQuery) OnlyIDX(ctx context.Context) int {
id, err := kq.OnlyID(ctx)
if err != nil {
panic(err)
}
return id
}
// All executes the query and returns a list of Keys.
func (kq *KeyQuery) All(ctx context.Context) ([]*Key, error) {
ctx = setContextOp(ctx, kq.ctx, "All")
if err := kq.prepareQuery(ctx); err != nil {
return nil, err
}
qr := querierAll[[]*Key, *KeyQuery]()
return withInterceptors[[]*Key](ctx, kq, qr, kq.inters)
}
// AllX is like All, but panics if an error occurs.
func (kq *KeyQuery) AllX(ctx context.Context) []*Key {
nodes, err := kq.All(ctx)
if err != nil {
panic(err)
}
return nodes
}
// IDs executes the query and returns a list of Key IDs.
func (kq *KeyQuery) IDs(ctx context.Context) (ids []int, err error) {
if kq.ctx.Unique == nil && kq.path != nil {
kq.Unique(true)
}
ctx = setContextOp(ctx, kq.ctx, "IDs")
if err = kq.Select(key.FieldID).Scan(ctx, &ids); err != nil {
return nil, err
}
return ids, nil
}
// IDsX is like IDs, but panics if an error occurs.
func (kq *KeyQuery) IDsX(ctx context.Context) []int {
ids, err := kq.IDs(ctx)
if err != nil {
panic(err)
}
return ids
}
// Count returns the count of the given query.
func (kq *KeyQuery) Count(ctx context.Context) (int, error) {
ctx = setContextOp(ctx, kq.ctx, "Count")
if err := kq.prepareQuery(ctx); err != nil {
return 0, err
}
return withInterceptors[int](ctx, kq, querierCount[*KeyQuery](), kq.inters)
}
// CountX is like Count, but panics if an error occurs.
func (kq *KeyQuery) CountX(ctx context.Context) int {
count, err := kq.Count(ctx)
if err != nil {
panic(err)
}
return count
}
// Exist returns true if the query has elements in the graph.
func (kq *KeyQuery) Exist(ctx context.Context) (bool, error) {
ctx = setContextOp(ctx, kq.ctx, "Exist")
switch _, err := kq.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 (kq *KeyQuery) ExistX(ctx context.Context) bool {
exist, err := kq.Exist(ctx)
if err != nil {
panic(err)
}
return exist
}
// Clone returns a duplicate of the KeyQuery builder, including all associated steps. It can be
// used to prepare common query builders and use them differently after the clone is made.
func (kq *KeyQuery) Clone() *KeyQuery {
if kq == nil {
return nil
}
return &KeyQuery{
config: kq.config,
ctx: kq.ctx.Clone(),
order: append([]key.OrderOption{}, kq.order...),
inters: append([]Interceptor{}, kq.inters...),
predicates: append([]predicate.Key{}, kq.predicates...),
withSigned: kq.withSigned.Clone(),
// clone intermediate query.
sql: kq.sql.Clone(),
path: kq.path,
}
}
// WithSigned tells the query-builder to eager-load the nodes that are connected to
// the "Signed" edge. The optional arguments are used to configure the query builder of the edge.
func (kq *KeyQuery) WithSigned(opts ...func(*TransactionsQuery)) *KeyQuery {
query := (&TransactionsClient{config: kq.config}).Query()
for _, opt := range opts {
opt(query)
}
kq.withSigned = query
return kq
}
// 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 {
// PublicKey string `json:"publicKey,omitempty"`
// Count int `json:"count,omitempty"`
// }
//
// client.Key.Query().
// GroupBy(key.FieldPublicKey).
// Aggregate(ent.Count()).
// Scan(ctx, &v)
func (kq *KeyQuery) GroupBy(field string, fields ...string) *KeyGroupBy {
kq.ctx.Fields = append([]string{field}, fields...)
grbuild := &KeyGroupBy{build: kq}
grbuild.flds = &kq.ctx.Fields
grbuild.label = key.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 {
// PublicKey string `json:"publicKey,omitempty"`
// }
//
// client.Key.Query().
// Select(key.FieldPublicKey).
// Scan(ctx, &v)
func (kq *KeyQuery) Select(fields ...string) *KeySelect {
kq.ctx.Fields = append(kq.ctx.Fields, fields...)
sbuild := &KeySelect{KeyQuery: kq}
sbuild.label = key.Label
sbuild.flds, sbuild.scan = &kq.ctx.Fields, sbuild.Scan
return sbuild
}
// Aggregate returns a KeySelect configured with the given aggregations.
func (kq *KeyQuery) Aggregate(fns ...AggregateFunc) *KeySelect {
return kq.Select().Aggregate(fns...)
}
func (kq *KeyQuery) prepareQuery(ctx context.Context) error {
for _, inter := range kq.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, kq); err != nil {
return err
}
}
}
for _, f := range kq.ctx.Fields {
if !key.ValidColumn(f) {
return &ValidationError{Name: f, err: fmt.Errorf("ent: invalid field %q for query", f)}
}
}
if kq.path != nil {
prev, err := kq.path(ctx)
if err != nil {
return err
}
kq.sql = prev
}
return nil
}
func (kq *KeyQuery) sqlAll(ctx context.Context, hooks ...queryHook) ([]*Key, error) {
var (
nodes = []*Key{}
withFKs = kq.withFKs
_spec = kq.querySpec()
loadedTypes = [1]bool{
kq.withSigned != nil,
}
)
if withFKs {
_spec.Node.Columns = append(_spec.Node.Columns, key.ForeignKeys...)
}
_spec.ScanValues = func(columns []string) ([]any, error) {
return (*Key).scanValues(nil, columns)
}
_spec.Assign = func(columns []string, values []any) error {
node := &Key{config: kq.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, kq.driver, _spec); err != nil {
return nil, err
}
if len(nodes) == 0 {
return nodes, nil
}
if query := kq.withSigned; query != nil {
if err := kq.loadSigned(ctx, query, nodes,
func(n *Key) { n.Edges.Signed = []*Transactions{} },
func(n *Key, e *Transactions) { n.Edges.Signed = append(n.Edges.Signed, e) }); err != nil {
return nil, err
}
}
return nodes, nil
}
func (kq *KeyQuery) loadSigned(ctx context.Context, query *TransactionsQuery, nodes []*Key, init func(*Key), assign func(*Key, *Transactions)) error {
edgeIDs := make([]driver.Value, len(nodes))
byID := make(map[int]*Key)
nids := make(map[int]map[*Key]struct{})
for i, node := range nodes {
edgeIDs[i] = node.ID
byID[node.ID] = node
if init != nil {
init(node)
}
}
query.Where(func(s *sql.Selector) {
joinT := sql.Table(key.SignedTable)
s.Join(joinT).On(s.C(transactions.FieldID), joinT.C(key.SignedPrimaryKey[1]))
s.Where(sql.InValues(joinT.C(key.SignedPrimaryKey[0]), edgeIDs...))
columns := s.SelectedColumns()
s.Select(joinT.C(key.SignedPrimaryKey[0]))
s.AppendSelect(columns...)
s.SetDistinct(false)
})
if err := query.prepareQuery(ctx); err != nil {
return err
}
qr := QuerierFunc(func(ctx context.Context, q Query) (Value, error) {
return query.sqlAll(ctx, func(_ context.Context, spec *sqlgraph.QuerySpec) {
assign := spec.Assign
values := spec.ScanValues
spec.ScanValues = func(columns []string) ([]any, error) {
values, err := values(columns[1:])
if err != nil {
return nil, err
}
return append([]any{new(sql.NullInt64)}, values...), nil
}
spec.Assign = func(columns []string, values []any) error {
outValue := int(values[0].(*sql.NullInt64).Int64)
inValue := int(values[1].(*sql.NullInt64).Int64)
if nids[inValue] == nil {
nids[inValue] = map[*Key]struct{}{byID[outValue]: {}}
return assign(columns[1:], values[1:])
}
nids[inValue][byID[outValue]] = struct{}{}
return nil
}
})
})
neighbors, err := withInterceptors[[]*Transactions](ctx, query, qr, query.inters)
if err != nil {
return err
}
for _, n := range neighbors {
nodes, ok := nids[n.ID]
if !ok {
return fmt.Errorf(`unexpected "Signed" node returned %v`, n.ID)
}
for kn := range nodes {
assign(kn, n)
}
}
return nil
}
func (kq *KeyQuery) sqlCount(ctx context.Context) (int, error) {
_spec := kq.querySpec()
_spec.Node.Columns = kq.ctx.Fields
if len(kq.ctx.Fields) > 0 {
_spec.Unique = kq.ctx.Unique != nil && *kq.ctx.Unique
}
return sqlgraph.CountNodes(ctx, kq.driver, _spec)
}
func (kq *KeyQuery) querySpec() *sqlgraph.QuerySpec {
_spec := sqlgraph.NewQuerySpec(key.Table, key.Columns, sqlgraph.NewFieldSpec(key.FieldID, field.TypeInt))
_spec.From = kq.sql
if unique := kq.ctx.Unique; unique != nil {
_spec.Unique = *unique
} else if kq.path != nil {
_spec.Unique = true
}
if fields := kq.ctx.Fields; len(fields) > 0 {
_spec.Node.Columns = make([]string, 0, len(fields))
_spec.Node.Columns = append(_spec.Node.Columns, key.FieldID)
for i := range fields {
if fields[i] != key.FieldID {
_spec.Node.Columns = append(_spec.Node.Columns, fields[i])
}
}
}
if ps := kq.predicates; len(ps) > 0 {
_spec.Predicate = func(selector *sql.Selector) {
for i := range ps {
ps[i](selector)
}
}
}
if limit := kq.ctx.Limit; limit != nil {
_spec.Limit = *limit
}
if offset := kq.ctx.Offset; offset != nil {
_spec.Offset = *offset
}
if ps := kq.order; len(ps) > 0 {
_spec.Order = func(selector *sql.Selector) {
for i := range ps {
ps[i](selector)
}
}
}
return _spec
}
func (kq *KeyQuery) sqlQuery(ctx context.Context) *sql.Selector {
builder := sql.Dialect(kq.driver.Dialect())
t1 := builder.Table(key.Table)
columns := kq.ctx.Fields
if len(columns) == 0 {
columns = key.Columns
}
selector := builder.Select(t1.Columns(columns...)...).From(t1)
if kq.sql != nil {
selector = kq.sql
selector.Select(selector.Columns(columns...)...)
}
if kq.ctx.Unique != nil && *kq.ctx.Unique {
selector.Distinct()
}
for _, p := range kq.predicates {
p(selector)
}
for _, p := range kq.order {
p(selector)
}
if offset := kq.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 := kq.ctx.Limit; limit != nil {
selector.Limit(*limit)
}
return selector
}
// KeyGroupBy is the group-by builder for Key entities.
type KeyGroupBy struct {
selector
build *KeyQuery
}
// Aggregate adds the given aggregation functions to the group-by query.
func (kgb *KeyGroupBy) Aggregate(fns ...AggregateFunc) *KeyGroupBy {
kgb.fns = append(kgb.fns, fns...)
return kgb
}
// Scan applies the selector query and scans the result into the given value.
func (kgb *KeyGroupBy) Scan(ctx context.Context, v any) error {
ctx = setContextOp(ctx, kgb.build.ctx, "GroupBy")
if err := kgb.build.prepareQuery(ctx); err != nil {
return err
}
return scanWithInterceptors[*KeyQuery, *KeyGroupBy](ctx, kgb.build, kgb, kgb.build.inters, v)
}
func (kgb *KeyGroupBy) sqlScan(ctx context.Context, root *KeyQuery, v any) error {
selector := root.sqlQuery(ctx).Select()
aggregation := make([]string, 0, len(kgb.fns))
for _, fn := range kgb.fns {
aggregation = append(aggregation, fn(selector))
}
if len(selector.SelectedColumns()) == 0 {
columns := make([]string, 0, len(*kgb.flds)+len(kgb.fns))
for _, f := range *kgb.flds {
columns = append(columns, selector.C(f))
}
columns = append(columns, aggregation...)
selector.Select(columns...)
}
selector.GroupBy(selector.Columns(*kgb.flds...)...)
if err := selector.Err(); err != nil {
return err
}
rows := &sql.Rows{}
query, args := selector.Query()
if err := kgb.build.driver.Query(ctx, query, args, rows); err != nil {
return err
}
defer rows.Close()
return sql.ScanSlice(rows, v)
}
// KeySelect is the builder for selecting fields of Key entities.
type KeySelect struct {
*KeyQuery
selector
}
// Aggregate adds the given aggregation functions to the selector query.
func (ks *KeySelect) Aggregate(fns ...AggregateFunc) *KeySelect {
ks.fns = append(ks.fns, fns...)
return ks
}
// Scan applies the selector query and scans the result into the given value.
func (ks *KeySelect) Scan(ctx context.Context, v any) error {
ctx = setContextOp(ctx, ks.ctx, "Select")
if err := ks.prepareQuery(ctx); err != nil {
return err
}
return scanWithInterceptors[*KeyQuery, *KeySelect](ctx, ks.KeyQuery, ks, ks.inters, v)
}
func (ks *KeySelect) sqlScan(ctx context.Context, root *KeyQuery, v any) error {
selector := root.sqlQuery(ctx)
aggregation := make([]string, 0, len(ks.fns))
for _, fn := range ks.fns {
aggregation = append(aggregation, fn(selector))
}
switch n := len(*ks.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 := ks.driver.Query(ctx, query, args, rows); err != nil {
return err
}
defer rows.Close()
return sql.ScanSlice(rows, v)
}