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{ ColumnMetadata } from \"./ColumnMetadata\"\nimport { RelationMetadata } from \"./RelationMetadata\"\nimport { EntityMetadata } from \"./EntityMetadata\"\nimport { EmbeddedMetadataArgs } from \"../metadata-args/EmbeddedMetadataArgs\"\nimport { RelationIdMetadata } from \"./RelationIdMetadata\"\nimport { RelationCountMetadata } from \"./RelationCountMetadata\"\nimport { DataSource } from \"../data-source/DataSource\"\nimport { EntityListenerMetadata } from \"./EntityListenerMetadata\"\nimport { IndexMetadata } from \"./IndexMetadata\"\nimport { UniqueMetadata } from \"./UniqueMetadata\"\nimport { TypeORMError } from \"../error\"\n\n/**\n * Contains all information about entity's embedded property.\n */\nexport class EmbeddedMetadata {\n // ---------------------------------------------------------------------\n // Public Properties\n // ---------------------------------------------------------------------\n\n /**\n * Entity metadata where this embedded is.\n */\n entityMetadata: EntityMetadata\n\n /**\n * Parent embedded in the case if this embedded inside other embedded.\n */\n parentEmbeddedMetadata?: EmbeddedMetadata\n\n /**\n * Embedded target type.\n */\n type: Function | string\n\n /**\n * Property name on which this embedded is attached.\n */\n propertyName: string\n\n /**\n * Gets full path to this embedded property (including embedded property name).\n * Full path is relevant when embedded is used inside other embeds (one or multiple nested).\n * For example it will return \"counters.subcounters\".\n */\n propertyPath: string\n\n /**\n * Columns inside this embed.\n */\n columns: ColumnMetadata[] = []\n\n /**\n * Relations inside this embed.\n */\n relations: RelationMetadata[] = []\n\n /**\n * Entity listeners inside this embed.\n */\n listeners: EntityListenerMetadata[] = []\n\n /**\n * Indices applied to the embed columns.\n */\n indices: IndexMetadata[] = []\n\n /**\n * Uniques applied to the embed columns.\n */\n uniques: UniqueMetadata[] = []\n\n /**\n * Relation ids inside this embed.\n */\n relationIds: RelationIdMetadata[] = []\n\n /**\n * Relation counts inside this embed.\n */\n relationCounts: RelationCountMetadata[] = []\n\n /**\n * Nested embeddable in this embeddable (which has current embedded as parent embedded).\n */\n embeddeds: EmbeddedMetadata[] = []\n\n /**\n * Indicates if the entity should be instantiated using the constructor\n * or via allocating a new object via `Object.create()`.\n */\n isAlwaysUsingConstructor: boolean = true\n\n /**\n * Indicates if this embedded is in array mode.\n *\n * This option works only in mongodb.\n */\n isArray: boolean = false\n\n /**\n * Prefix of the embedded, used instead of propertyName.\n * If set to empty string or false, then prefix is not set at all.\n */\n customPrefix: string | boolean | undefined\n\n /**\n * Gets the prefix of the columns.\n * By default its a property name of the class where this prefix is.\n * But if custom prefix is set then it takes its value as a prefix.\n * However if custom prefix is set to empty string or false, then prefix to column is not applied at all.\n */\n prefix: string\n\n /**\n * Returns array of property names of current embed and all its parent embeds.\n *\n * example: post[data][information][counters].id where \"data\", \"information\" and \"counters\" are embeds\n * we need to get value of \"id\" column from the post real entity object.\n * this method will return [\"data\", \"information\", \"counters\"]\n */\n parentPropertyNames: string[] = []\n\n /**\n * Returns array of prefixes of current embed and all its parent embeds.\n */\n parentPrefixes: string[] = []\n\n /**\n * Returns embed metadatas from all levels of the parent tree.\n *\n * example: post[data][information][counters].id where \"data\", \"information\" and \"counters\" are embeds\n * this method will return [embed metadata of data, embed metadata of information, embed metadata of counters]\n */\n embeddedMetadataTree: EmbeddedMetadata[] = []\n\n /**\n * Embed metadatas from all levels of the parent tree.\n *\n * example: post[data][information][counters].id where \"data\", \"information\" and \"counters\" are embeds\n * this method will return [embed metadata of data, embed metadata of information, embed metadata of counters]\n */\n columnsFromTree: ColumnMetadata[] = []\n\n /**\n * Relations of this embed and all relations from its child embeds.\n */\n relationsFromTree: RelationMetadata[] = []\n\n /**\n * Relations of this embed and all relations from its child embeds.\n */\n listenersFromTree: EntityListenerMetadata[] = []\n\n /**\n * Indices of this embed and all indices from its child embeds.\n */\n indicesFromTree: IndexMetadata[] = []\n\n /**\n * Uniques of this embed and all uniques from its child embeds.\n */\n uniquesFromTree: UniqueMetadata[] = []\n\n /**\n * Relation ids of this embed and all relation ids from its child embeds.\n */\n relationIdsFromTree: RelationIdMetadata[] = []\n\n /**\n * Relation counts of this embed and all relation counts from its child embeds.\n */\n relationCountsFromTree: RelationCountMetadata[] = []\n\n // ---------------------------------------------------------------------\n // Constructor\n // ---------------------------------------------------------------------\n\n constructor(options: {\n entityMetadata: EntityMetadata\n args: EmbeddedMetadataArgs\n }) {\n this.entityMetadata = options.entityMetadata\n this.type = options.args.type()\n this.propertyName = options.args.propertyName\n this.customPrefix = options.args.prefix\n this.isArray = options.args.isArray\n }\n\n // ---------------------------------------------------------------------\n // Public Methods\n // ---------------------------------------------------------------------\n\n /**\n * Creates a new embedded object.\n */\n create(options?: { fromDeserializer?: boolean }): any {\n if (!(typeof this.type === \"function\")) {\n return {}\n }\n\n if (options?.fromDeserializer || !this.isAlwaysUsingConstructor) {\n return Object.create(this.type.prototype)\n } else {\n return new (this.type as any)()\n }\n }\n\n // ---------------------------------------------------------------------\n // Builder Methods\n // ---------------------------------------------------------------------\n\n build(connection: DataSource): this {\n this.embeddeds.forEach((embedded) => embedded.build(connection))\n this.prefix = this.buildPrefix(connection)\n this.parentPropertyNames = this.buildParentPropertyNames()\n this.parentPrefixes = this.buildParentPrefixes()\n this.propertyPath = this.parentPropertyNames.join(\".\")\n this.embeddedMetadataTree = this.buildEmbeddedMetadataTree()\n this.columnsFromTree = this.buildColumnsFromTree()\n this.relationsFromTree = this.buildRelationsFromTree()\n this.listenersFromTree = this.buildListenersFromTree()\n this.indicesFromTree = this.buildIndicesFromTree()\n this.uniquesFromTree = this.buildUniquesFromTree()\n this.relationIdsFromTree = this.buildRelationIdsFromTree()\n this.relationCountsFromTree = this.buildRelationCountsFromTree()\n\n if (connection.options.entitySkipConstructor) {\n this.isAlwaysUsingConstructor =\n !connection.options.entitySkipConstructor\n }\n\n return this\n }\n\n // ---------------------------------------------------------------------\n // Protected Methods\n // ---------------------------------------------------------------------\n\n protected buildPartialPrefix(): string[] {\n // if prefix option was not set or explicitly set to true - default prefix\n if (this.customPrefix === undefined || this.customPrefix === true) {\n return [this.propertyName]\n }\n\n // if prefix option was set to empty string or explicity set to false - disable prefix\n if (this.customPrefix === \"\" || this.customPrefix === false) {\n return []\n }\n\n // use custom prefix\n if (typeof this.customPrefix === \"string\") {\n return [this.customPrefix]\n }\n\n throw new TypeORMError(\n `Invalid prefix option given for ${this.entityMetadata.targetName}#${this.propertyName}`,\n )\n }\n\n protected buildPrefix(connection: DataSource): string {\n if (connection.driver.options.type === \"mongodb\")\n return this.propertyName\n\n let prefixes: string[] = []\n if (this.parentEmbeddedMetadata)\n prefixes.push(this.parentEmbeddedMetadata.buildPrefix(connection))\n\n prefixes.push(...this.buildPartialPrefix())\n\n return prefixes.join(\"_\") // todo: use naming strategy instead of \"_\" !!!\n }\n\n protected buildParentPropertyNames(): string[] {\n return this.parentEmbeddedMetadata\n ? this.parentEmbeddedMetadata\n .buildParentPropertyNames()\n .concat(this.propertyName)\n : [this.propertyName]\n }\n\n protected buildParentPrefixes(): string[] {\n return this.parentEmbeddedMetadata\n ? this.parentEmbeddedMetadata\n .buildParentPrefixes()\n .concat(this.buildPartialPrefix())\n : this.buildPartialPrefix()\n }\n\n protected buildEmbeddedMetadataTree(): EmbeddedMetadata[] {\n return this.parentEmbeddedMetadata\n ? this.parentEmbeddedMetadata\n .buildEmbeddedMetadataTree()\n .concat(this)\n : [this]\n }\n\n protected buildColumnsFromTree(): ColumnMetadata[] {\n return this.embeddeds.reduce(\n (columns, embedded) =>\n columns.concat(embedded.buildColumnsFromTree()),\n this.columns,\n )\n }\n\n protected buildRelationsFromTree(): RelationMetadata[] {\n return this.embeddeds.reduce(\n (relations, embedded) =>\n relations.concat(embedded.buildRelationsFromTree()),\n this.relations,\n )\n }\n\n protected buildListenersFromTree(): EntityListenerMetadata[] {\n return this.embeddeds.reduce(\n (relations, embedded) =>\n relations.concat(embedded.buildListenersFromTree()),\n this.listeners,\n )\n }\n\n protected buildIndicesFromTree(): IndexMetadata[] {\n return this.embeddeds.reduce(\n (relations, embedded) =>\n relations.concat(embedded.buildIndicesFromTree()),\n this.indices,\n )\n }\n\n protected buildUniquesFromTree(): UniqueMetadata[] {\n return this.embeddeds.reduce(\n (relations, embedded) =>\n relations.concat(embedded.buildUniquesFromTree()),\n this.uniques,\n )\n }\n\n protected buildRelationIdsFromTree(): RelationIdMetadata[] {\n return this.embeddeds.reduce(\n (relations, embedded) =>\n relations.concat(embedded.buildRelationIdsFromTree()),\n this.relationIds,\n )\n }\n\n protected buildRelationCountsFromTree(): RelationCountMetadata[] {\n return this.embeddeds.reduce(\n (relations, embedded) =>\n relations.concat(embedded.buildRelationCountsFromTree()),\n this.relationCounts,\n )\n }\n}\n"],"sourceRoot":".."}