mirror of
https://github.com/ent/ent.git
synced 2026-05-24 09:31:56 +03:00
367 lines
12 KiB
Cheetah
367 lines
12 KiB
Cheetah
{{/*
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Copyright 2019-present Facebook Inc. All rights reserved.
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This source code is licensed under the Apache 2.0 license found
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in the LICENSE file in the root directory of this source tree.
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*/}}
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{{/* gotype: entgo.io/ent/entc/gen.Type */}}
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{{ define "dialect/sql/create" }}
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{{ $builder := pascal $.Scope.Builder }}
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{{ $receiver := $.Scope.Receiver }}
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{{ $mutation := print $receiver ".mutation" }}
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{{ $pkg := base $.Config.Package }}
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func ({{ $receiver }} *{{ $builder }}) sqlSave(ctx context.Context) (*{{ $.Name }}, error) {
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if err := {{ $receiver }}.check(); err != nil {
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return nil, err
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}
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_node, _spec {{ if $.HasValueScanner }}, err {{ end }} := {{ $receiver }}.createSpec()
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{{- if $.HasValueScanner }}
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if err != nil {
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return nil, err
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}
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{{- end }}
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if err := sqlgraph.CreateNode(ctx, {{ $receiver }}.driver, _spec); err != nil {
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if sqlgraph.IsConstraintError(err) {
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err = &ConstraintError{msg: err.Error(), wrap: err}
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}
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return nil, err
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}
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{{- if $.HasCompositeID }}
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{{- else if or $.ID.HasValueScanner $.ID.Type.ValueScanner (not $.ID.Type.Numeric) }}
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if _spec.ID.Value != nil {
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{{- if $.ID.HasValueScanner }}
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sv, ok := _spec.ID.Value.(field.ValueScanner)
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if !ok {
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sv = {{ $.ID.ScanValueFunc }}()
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if err := sv.Scan(_spec.ID.Value); err != nil {
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return nil, err
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}
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}
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if value, err := {{ $.ID.FromValueFunc }}(sv); err != nil {
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return nil, err
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} else {
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_node.ID = value
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}
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{{- else }}
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{{- /* If the ID type is not a pointer, but implements the ValueScanner interface (e.g. UUID fields). */}}
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{{- if and $.ID.Type.ValueScanner (not $.ID.Type.RType.IsPtr) }}
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if id, ok := _spec.ID.Value.(*{{ $.ID.Type }}); ok {
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_node.ID = *id
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{{- else }}
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if id, ok := _spec.ID.Value.({{ $.ID.Type }}); ok {
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_node.ID = id
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{{- end }}
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{{- if $.ID.Type.ValueScanner }}
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} else if err := _node.ID.Scan(_spec.ID.Value); err != nil {
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return nil, err
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{{- else }}
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} else {
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return nil, fmt.Errorf("unexpected {{ $.Name }}.ID type: %T", _spec.ID.Value)
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{{- end }}
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}
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{{- end }}
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}
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{{- else }}
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{{- if $.ID.UserDefined }}
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if _spec.ID.Value != _node.ID {
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{{- end }}
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id := _spec.ID.Value.(int64)
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_node.ID = {{ $.ID.Type }}(id)
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{{- if $.ID.UserDefined }}
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}
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{{- end }}
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{{- end }}
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{{- if $.HasOneFieldID }}
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{{ $mutation }}.{{ $.ID.BuilderField }} = &_node.{{ $.ID.StructField }}
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{{ $mutation }}.done = true
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{{- end }}
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{{- if $.HasBlobFields }}
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{{- range $f := $.BlobFields }}
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if r, ok := {{ $mutation }}.{{ $f.StructField }}(); ok {
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b, err := {{ $mutation }}.blobOpeners.{{ $.Name }}(ctx, {{ $.Package }}.{{ $f.Constant }})
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if err != nil {
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return nil, fmt.Errorf("{{ $pkg }}: opening blob bucket for {{ $f.Name }}: %w", err)
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}
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key, err := _node.{{ $f.StructField }}Key(ctx)
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if err != nil {
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return nil, errors.Join(fmt.Errorf("{{ $pkg }}: blob key for {{ $f.Name }}: %w", err), b.Close())
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}
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w, err := b.NewWriter(ctx, key)
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if err != nil {
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return nil, errors.Join(fmt.Errorf("{{ $pkg }}: creating writer for {{ $f.Name }}: %w", err), b.Close())
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}
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if _, err := io.Copy(w, r); err != nil {
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return nil, errors.Join(fmt.Errorf("{{ $pkg }}: writing blob for {{ $f.Name }}: %w", err), w.Close(), b.Close())
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}
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if err := errors.Join(w.Close(), b.Close()); err != nil {
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return nil, fmt.Errorf("{{ $pkg }}: closing blob for {{ $f.Name }}: %w", err)
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}
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}
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{{- end }}
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{{- end }}
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return _node, nil
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}
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func ({{ $receiver }} *{{ $builder }}) createSpec() (*{{ $.Name }}, *sqlgraph.CreateSpec{{ if $.HasValueScanner }}, error{{ end }}) {
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var (
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_node = &{{ $.Name }}{config: {{ $receiver }}.config}
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_spec = sqlgraph.NewCreateSpec({{ $.Package }}.Table, {{ if $.HasOneFieldID }}sqlgraph.NewFieldSpec({{ $.Package }}.{{ $.ID.Constant }}, field.{{ $.ID.Type.ConstName }}){{ else }}nil{{ end }})
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)
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{{- /* Allow mutating the sqlgraph.CreateSpec by ent extensions or user templates.*/}}
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{{- with $tmpls := matchTemplate "dialect/sql/create/spec/*" }}
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{{- range $tmpl := $tmpls }}
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{{- xtemplate $tmpl $ }}
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{{- end }}
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{{- end }}
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{{- if and (not $.HasCompositeID) $.ID.UserDefined }}
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if id, ok := {{ $mutation }}.{{ $.ID.MutationGet }}(); ok {
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_node.ID = id
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{{- if $.ID.HasValueScanner }}
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vv, err := {{ $.ID.ValueFunc }}(id)
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if err != nil {
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return nil, nil, err
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}
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_spec.ID.Value = vv
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{{- else }}
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_spec.ID.Value = {{ if and $.ID.Type.ValueScanner (not $.ID.Type.RType.IsPtr) }}&{{ end }}id
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{{- end }}
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}
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{{- end }}
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{{- range $f := $.MutationFields }}
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if value, ok := {{ $mutation }}.{{ $f.MutationGet }}(); ok {
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{{- if $f.HasValueScanner }}
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vv, err := {{ $f.ValueFunc }}(value)
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if err != nil {
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return nil, nil, err
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}
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_spec.SetField({{ $.Package }}.{{ $f.Constant }}, field.{{ $f.Type.ConstName }}, vv)
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{{- else }}
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_spec.SetField({{ $.Package }}.{{ $f.Constant }}, field.{{ $f.Type.ConstName }}, value)
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{{- end }}
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_node.{{ $f.StructField }} = {{ if $f.NillableValue }}&{{ end }}value
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}
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{{- end }}
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{{- range $e := $.EdgesWithID }}
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if nodes := {{ $mutation }}.{{ $e.StructField }}IDs(); len(nodes) > 0 {
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{{- with extend $ "Edge" $e "Nodes" true "Zero" "nil" }}
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{{ template "dialect/sql/defedge" . }}{{/* defined in sql/update.tmpl */}}
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{{- end }}
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{{- if $e.OwnFK }}
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{{- $fk := $e.ForeignKey }}
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_node.{{ $fk.StructField }} = {{ if $fk.Field.NillableValue }}&{{ end }}nodes[0]
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{{- end }}
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_spec.Edges = append(_spec.Edges, edge)
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}
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{{- end }}
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return _node, _spec{{ if $.HasValueScanner }}, nil{{ end }}
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}
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{{- /* Allow adding methods to the create-builder by ent extensions or user templates.*/}}
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{{- with $tmpls := matchTemplate "dialect/sql/create/additional/*" }}
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{{- range $tmpl := $tmpls }}
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{{- xtemplate $tmpl $ }}
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{{- end }}
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{{- end }}
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{{ end }}
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{{/* Additional fields for the create builder. */}}
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{{ define "dialect/sql/create/fields" }}
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{{- with $tmpls := matchTemplate "dialect/sql/create/fields/additional/*" }}
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{{- range $tmpl := $tmpls }}
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{{- xtemplate $tmpl $ }}
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{{- end }}
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{{- end }}
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{{- end }}
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{{/* Additional fields for the create_bulk builder. */}}
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{{ define "dialect/sql/create_bulk/fields" }}
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{{- with $tmpls := matchTemplate "dialect/sql/create_bulk/fields/additional/*" }}
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{{- range $tmpl := $tmpls }}
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{{- xtemplate $tmpl $ }}
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{{- end }}
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{{- end }}
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{{- end }}
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{{ define "dialect/sql/create_bulk" }}
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{{ $builder := pascal $.Scope.Builder }}
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{{ $receiver := $.Scope.Receiver }}
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{{ $pkg := base $.Config.Package }}
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// Save creates the {{ $.Name }} entities in the database.
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func ({{ $receiver }} *{{ $builder }}) Save(ctx context.Context) ([]*{{ $.Name }}, error) {
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{{- /* Initialization error was set by MapCreateBulk. */}}
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if {{ $receiver }}.err != nil {
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return nil, {{ $receiver }}.err
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}
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specs := make([]*sqlgraph.CreateSpec, len({{ $receiver }}.builders))
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nodes := make([]*{{ $.Name }}, len({{ $receiver }}.builders))
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mutators := make([]Mutator, len({{ $receiver }}.builders))
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{{- if $.HasBlobFields }}
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{{- range $f := $.BlobFields }}
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var _blob{{ $f.StructField }} Blob
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{{- end }}
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closeBlobs := func() error {
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var errs []error
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{{- range $f := $.BlobFields }}
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if _blob{{ $f.StructField }} != nil {
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errs = append(errs, _blob{{ $f.StructField }}.Close())
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}
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{{- end }}
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return errors.Join(errs...)
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}
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{{- end }}
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for i := range {{ $receiver }}.builders {
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func(i int, root context.Context) {
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builder := {{ $receiver }}.builders[i]
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{{- if $.HasDefault }}
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builder.defaults()
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{{- end }}
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var mut Mutator = MutateFunc(func(ctx context.Context, m Mutation) (Value, error) {
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mutation, ok := m.(*{{ $.MutationName }})
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if !ok {
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return nil, fmt.Errorf("unexpected mutation type %T", m)
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}
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if err := builder.check(); err != nil {
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return nil, err
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}
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builder.mutation = mutation
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var err error
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nodes[i], specs[i] {{ if $.HasValueScanner }}, err {{ end }}= builder.createSpec()
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{{- if $.HasValueScanner }}
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if err != nil {
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return nil, err
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}
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{{- end }}
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if i < len(mutators)-1 {
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_, err = mutators[i+1].Mutate(root, {{ $receiver }}.builders[i+1].mutation)
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} else {
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spec := &sqlgraph.BatchCreateSpec{Nodes: specs}
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{{- /* Allow mutating the sqlgraph.BatchCreateSpec by ent extensions or user templates.*/}}
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{{- with $tmpls := matchTemplate "dialect/sql/create_bulk/spec/*" }}
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{{- range $tmpl := $tmpls }}
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{{- xtemplate $tmpl $ }}
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{{- end }}
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{{- end }}
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// Invoke the actual operation on the latest mutation in the chain.
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if err = sqlgraph.BatchCreate(ctx, {{ $receiver }}.driver, spec); err != nil {
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if sqlgraph.IsConstraintError(err) {
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err = &ConstraintError{msg: err.Error(), wrap: err}
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}
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}
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}
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if err != nil {
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return nil, err
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}
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{{- if $.HasOneFieldID }}
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mutation.{{ $.ID.BuilderField }} = &nodes[i].{{ $.ID.StructField }}
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{{- if and (or $.ID.IsString $.ID.IsUUID $.ID.IsBytes $.ID.IsOther) (not $.ID.HasValueScanner) }}
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{{- /* Do nothing, because these 4 types must be supplied by the user. */ -}}
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{{- else if $.ID.HasValueScanner }}
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if specs[i].ID.Value != nil {
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sv, ok := specs[i].ID.Value.(field.ValueScanner)
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if !ok {
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sv = {{ $.ID.ScanValueFunc }}()
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if err := sv.Scan(specs[i].ID.Value); err != nil {
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return nil, err
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}
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}
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if id, err := {{ $.ID.FromValueFunc }}(sv); err != nil {
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return nil, err
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} else {
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nodes[i].ID = id
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}
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}
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{{- else if or $.ID.Type.ValueScanner }}
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if specs[i].ID.Value != nil {
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if err := nodes[i].ID.Scan(specs[i].ID.Value); err != nil {
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return nil, err
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}
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}
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{{- else }}
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if specs[i].ID.Value != nil {{ if $.ID.UserDefined }}&& nodes[i].ID == 0{{ end }} {
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id := specs[i].ID.Value.(int64)
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nodes[i].ID = {{ $.ID.Type }}(id)
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}
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{{- end }}
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{{- end }}
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mutation.done = true
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{{- range $f := $.BlobFields }}
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if r, ok := mutation.{{ $f.StructField }}(); ok {
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if _blob{{ $f.StructField }} == nil {
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if _blob{{ $f.StructField }}, err = mutation.blobOpeners.{{ $.Name }}(ctx, {{ $.Package }}.{{ $f.Constant }}); err != nil {
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return nil, fmt.Errorf("{{ $pkg }}: opening blob bucket for {{ $f.Name }}: %w", err)
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}
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}
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key, err := nodes[i].{{ $f.StructField }}Key(ctx)
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if err != nil {
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return nil, fmt.Errorf("{{ $pkg }}: blob key for {{ $f.Name }}: %w", err)
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}
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w, err := _blob{{ $f.StructField }}.NewWriter(ctx, key)
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if err != nil {
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return nil, fmt.Errorf("{{ $pkg }}: creating writer for {{ $f.Name }}: %w", err)
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}
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if _, err := io.Copy(w, r); err != nil {
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return nil, errors.Join(fmt.Errorf("{{ $pkg }}: writing blob for {{ $f.Name }}: %w", err), w.Close())
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}
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if err := w.Close(); err != nil {
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return nil, fmt.Errorf("{{ $pkg }}: closing writer for {{ $f.Name }}: %w", err)
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}
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}
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{{- end }}
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return nodes[i], nil
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})
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for i := len(builder.hooks) - 1; i >= 0; i-- {
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mut = builder.hooks[i](mut)
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}
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mutators[i] = mut
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}(i, ctx)
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}
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if len(mutators) > 0 {
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if _, err := mutators[0].Mutate(ctx, {{ $receiver }}.builders[0].mutation); err != nil {
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{{- if $.HasBlobFields }}
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return nil, errors.Join(err, closeBlobs())
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{{- else }}
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return nil, err
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{{- end }}
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}
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}
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{{- if $.HasBlobFields }}
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return nodes, closeBlobs()
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{{- else }}
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return nodes, nil
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{{- end }}
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}
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// SaveX is like Save, but panics if an error occurs.
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func ({{ $receiver }} *{{ $builder }}) SaveX(ctx context.Context) []*{{ $.Name }} {
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v, err := {{ $receiver }}.Save(ctx)
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if err != nil {
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panic(err)
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}
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return v
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}
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// Exec executes the query.
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func ({{ $receiver }} *{{ $builder }}) Exec(ctx context.Context) error {
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_, err := {{ $receiver }}.Save(ctx)
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return err
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}
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// ExecX is like Exec, but panics if an error occurs.
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func ({{ $receiver }} *{{ $builder }}) ExecX(ctx context.Context) {
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if err := {{ $receiver }}.Exec(ctx); err != nil {
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panic(err)
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}
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}
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{{- /* Allow adding methods to the create_bulk builder by ent extensions or user templates.*/}}
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{{- with $tmpls := matchTemplate "dialect/sql/create_bulk/additional/*" }}
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{{- range $tmpl := $tmpls }}
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{{- xtemplate $tmpl $ }}
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{{- end }}
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{{- end }}
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{{ end }}
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