29 lines
603 B
TypeScript
29 lines
603 B
TypeScript
import {BeforeInsert, Entity, ManyToOne, PrimaryColumn} from 'typeorm';
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import {Node} from '$lib/server/entity/Node';
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import {ulidMonotonic} from '$lib/server/ulid';
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@Entity()
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export class Edge {
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@PrimaryColumn({type: 'varchar', length: 26})
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id = ulidMonotonic();
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@ManyToOne(() => Node, node => node.outgoingEdges, {
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nullable: false,
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cascade: true,
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onDelete: 'CASCADE',
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})
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head!: Node;
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@ManyToOne(() => Node, node => node.incomingEdges, {
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nullable: false,
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cascade: true,
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onDelete: 'CASCADE',
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})
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tail!: Node;
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@BeforeInsert()
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beforeInsert () {
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this.id = ulidMonotonic();
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}
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}
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