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{ Subject } from \"../Subject\"\nimport { QueryRunner } from \"../../query-runner/QueryRunner\"\nimport { OrmUtils } from \"../../util/OrmUtils\"\nimport { ObjectLiteral } from \"../../common/ObjectLiteral\"\nimport { ColumnMetadata } from \"../../metadata/ColumnMetadata\"\nimport { EntityMetadata } from \"../../metadata/EntityMetadata\"\nimport { Brackets } from \"../../query-builder/Brackets\"\n\n/**\n * Executes subject operations for materialized-path tree entities.\n */\nexport class MaterializedPathSubjectExecutor {\n    // -------------------------------------------------------------------------\n    // Constructor\n    // -------------------------------------------------------------------------\n\n    constructor(protected queryRunner: QueryRunner) {}\n\n    // -------------------------------------------------------------------------\n    // Public Methods\n    // -------------------------------------------------------------------------\n\n    /**\n     * Executes operations when subject is being inserted.\n     */\n    async insert(subject: Subject): Promise<void> {\n        let parent = subject.metadata.treeParentRelation!.getEntityValue(\n            subject.entity!,\n        ) // if entity was attached via parent\n        if (!parent && subject.parentSubject && subject.parentSubject.entity)\n            // if entity was attached via children\n            parent = subject.parentSubject.insertedValueSet\n                ? subject.parentSubject.insertedValueSet\n                : subject.parentSubject.entity\n\n        const parentId = subject.metadata.getEntityIdMap(parent)\n\n        let parentPath: string = \"\"\n        if (parentId) {\n            parentPath = await this.getEntityPath(subject, parentId)\n        }\n\n        const insertedEntityId = subject.metadata\n            .treeParentRelation!.joinColumns.map((joinColumn) => {\n                return joinColumn.referencedColumn!.getEntityValue(\n                    subject.insertedValueSet!,\n                )\n            })\n            .join(\"_\")\n\n        await this.queryRunner.manager\n            .createQueryBuilder()\n            .update(subject.metadata.target)\n            .set({\n                [subject.metadata.materializedPathColumn!.propertyPath]:\n                    parentPath + insertedEntityId + \".\",\n            } as any)\n            .where(subject.identifier!)\n            .execute()\n    }\n\n    /**\n     * Executes operations when subject is being updated.\n     */\n    async update(subject: Subject): Promise<void> {\n        let newParent = subject.metadata.treeParentRelation!.getEntityValue(\n            subject.entity!,\n        ) // if entity was attached via parent\n        if (!newParent && subject.parentSubject && subject.parentSubject.entity)\n            // if entity was attached via children\n            newParent = subject.parentSubject.entity\n\n        let entity = subject.databaseEntity // if entity was attached via parent\n        if (!entity && newParent)\n            // if entity was attached via children\n            entity = subject.metadata\n                .treeChildrenRelation!.getEntityValue(newParent)\n                .find((child: any) => {\n                    return Object.entries(subject.identifier!).every(\n                        ([key, value]) => child[key] === value,\n                    )\n                })\n\n        const oldParent = subject.metadata.treeParentRelation!.getEntityValue(\n            entity!,\n        )\n        const oldParentId = this.getEntityParentReferencedColumnMap(\n            subject,\n            oldParent,\n        )\n        const newParentId = this.getEntityParentReferencedColumnMap(\n            subject,\n            newParent,\n        )\n\n        // Exit if the new and old parents are the same\n        if (OrmUtils.compareIds(oldParentId, newParentId)) {\n            return\n        }\n\n        let newParentPath: string = \"\"\n        if (newParentId) {\n            newParentPath = await this.getEntityPath(subject, newParentId)\n        }\n\n        let oldParentPath: string = \"\"\n        if (oldParentId) {\n            oldParentPath =\n                (await this.getEntityPath(subject, oldParentId)) || \"\"\n        }\n\n        const entityPath = subject.metadata\n            .treeParentRelation!.joinColumns.map((joinColumn) => {\n                return joinColumn.referencedColumn!.getEntityValue(entity!)\n            })\n            .join(\"_\")\n\n        const propertyPath =\n            subject.metadata.materializedPathColumn!.propertyPath\n        await this.queryRunner.manager\n            .createQueryBuilder()\n            .update(subject.metadata.target)\n            .set({\n                [propertyPath]: () =>\n                    `REPLACE(${this.queryRunner.connection.driver.escape(\n                        propertyPath,\n                    )}, '${oldParentPath}${entityPath}.', '${newParentPath}${entityPath}.')`,\n            } as any)\n            .where(`${propertyPath} LIKE :path`, {\n                path: `${oldParentPath}${entityPath}.%`,\n            })\n            .execute()\n    }\n\n    private getEntityParentReferencedColumnMap(\n        subject: Subject,\n        entity: ObjectLiteral | undefined,\n    ): ObjectLiteral | undefined {\n        if (!entity) return undefined\n        return EntityMetadata.getValueMap(\n            entity,\n            subject.metadata\n                .treeParentRelation!.joinColumns.map(\n                    (column) => column.referencedColumn,\n                )\n                .filter((v) => v != null) as ColumnMetadata[],\n            { skipNulls: true },\n        )\n    }\n\n    private getEntityPath(\n        subject: Subject,\n        id: ObjectLiteral,\n    ): Promise<string> {\n        const metadata = subject.metadata\n        const normalized = (Array.isArray(id) ? id : [id]).map((id) =>\n            metadata.ensureEntityIdMap(id),\n        )\n        return this.queryRunner.manager\n            .createQueryBuilder()\n            .select(\n                subject.metadata.targetName +\n                    \".\" +\n                    subject.metadata.materializedPathColumn!.propertyPath,\n                \"path\",\n            )\n            .from(subject.metadata.target, subject.metadata.targetName)\n            .where(\n                new Brackets((qb) => {\n                    for (const data of normalized) {\n                        qb.orWhere(new Brackets((qb) => qb.where(data)))\n                    }\n                }),\n            )\n            .getRawOne()\n            .then((result) => (result ? result[\"path\"] : \"\"))\n    }\n}\n"],"sourceRoot":"../.."}