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bd07c86b60
Summary: Used addlicense to generate this: addlicense -c "Facebook Inc" -f license_header . example was taken from: https://github.com/facebook/litho/blob/master/lib/soloader/BUCK Reviewed By: alexsn Differential Revision: D17070152 fbshipit-source-id: e7b91398d7f6181727be3400c1872ad5f28e38ed
63 lines
1.4 KiB
Go
63 lines
1.4 KiB
Go
// 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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package schema
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import (
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"math"
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"github.com/facebookincubator/ent"
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"github.com/facebookincubator/ent/schema/edge"
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"github.com/facebookincubator/ent/schema/field"
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"github.com/facebookincubator/ent/schema/index"
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)
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// File holds the schema definition for the File entity.
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type File struct {
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ent.Schema
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}
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// Fields of the File.
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func (File) Fields() []ent.Field {
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return []ent.Field{
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field.Int("size").
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Default(math.MaxInt32).
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Positive(),
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field.String("name"),
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field.String("user").
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Optional().
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Nillable(),
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field.String("group").
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Optional(),
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}
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}
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// Edges of the File.
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func (File) Edges() []ent.Edge {
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return []ent.Edge{
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edge.From("owner", User.Type).
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Ref("files").
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Unique(),
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edge.From("type", FileType.Type).
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Ref("files").
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Unique(),
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}
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}
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// Indexes of a file.
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func (File) Indexes() []ent.Index {
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return []ent.Index{
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// non-unique index should not prevent duplicates.
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index.Fields("name", "size"),
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// unique index prevents duplicates records.
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index.Fields("name", "user").
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Unique(),
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// unique index under the "owner" sub-tree.
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// user/owner can't have files with duplicate names.
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index.Fields("name").
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Edges("owner", "type").
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Unique(),
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}
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}
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