typeorm
Version:
Data-Mapper ORM for TypeScript, ES7, ES6, ES5. Supports MySQL, PostgreSQL, MariaDB, SQLite, MS SQL Server, Oracle, MongoDB databases.
212 lines (210 loc) • 9.83 kB
JavaScript
"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.EmbeddedMetadata = void 0;
var tslib_1 = require("tslib");
var MongoDriver_1 = require("../driver/mongodb/MongoDriver");
var error_1 = require("../error");
/**
* Contains all information about entity's embedded property.
*/
var EmbeddedMetadata = /** @class */ (function () {
// ---------------------------------------------------------------------
// Constructor
// ---------------------------------------------------------------------
function EmbeddedMetadata(options) {
/**
* Columns inside this embed.
*/
this.columns = [];
/**
* Relations inside this embed.
*/
this.relations = [];
/**
* Entity listeners inside this embed.
*/
this.listeners = [];
/**
* Indices applied to the embed columns.
*/
this.indices = [];
/**
* Uniques applied to the embed columns.
*/
this.uniques = [];
/**
* Relation ids inside this embed.
*/
this.relationIds = [];
/**
* Relation counts inside this embed.
*/
this.relationCounts = [];
/**
* Nested embeddable in this embeddable (which has current embedded as parent embedded).
*/
this.embeddeds = [];
/**
* Indicates if the entity should be instantiated using the constructor
* or via allocating a new object via `Object.create()`.
*/
this.isAlwaysUsingConstructor = true;
/**
* Indicates if this embedded is in array mode.
*
* This option works only in mongodb.
*/
this.isArray = false;
/**
* Returns array of property names of current embed and all its parent embeds.
*
* example: post[data][information][counters].id where "data", "information" and "counters" are embeds
* we need to get value of "id" column from the post real entity object.
* this method will return ["data", "information", "counters"]
*/
this.parentPropertyNames = [];
/**
* Returns array of prefixes of current embed and all its parent embeds.
*/
this.parentPrefixes = [];
/**
* Returns embed metadatas from all levels of the parent tree.
*
* example: post[data][information][counters].id where "data", "information" and "counters" are embeds
* this method will return [embed metadata of data, embed metadata of information, embed metadata of counters]
*/
this.embeddedMetadataTree = [];
/**
* Embed metadatas from all levels of the parent tree.
*
* example: post[data][information][counters].id where "data", "information" and "counters" are embeds
* this method will return [embed metadata of data, embed metadata of information, embed metadata of counters]
*/
this.columnsFromTree = [];
/**
* Relations of this embed and all relations from its child embeds.
*/
this.relationsFromTree = [];
/**
* Relations of this embed and all relations from its child embeds.
*/
this.listenersFromTree = [];
/**
* Indices of this embed and all indices from its child embeds.
*/
this.indicesFromTree = [];
/**
* Uniques of this embed and all uniques from its child embeds.
*/
this.uniquesFromTree = [];
/**
* Relation ids of this embed and all relation ids from its child embeds.
*/
this.relationIdsFromTree = [];
/**
* Relation counts of this embed and all relation counts from its child embeds.
*/
this.relationCountsFromTree = [];
this.entityMetadata = options.entityMetadata;
this.type = options.args.type();
this.propertyName = options.args.propertyName;
this.customPrefix = options.args.prefix;
this.isArray = options.args.isArray;
}
// ---------------------------------------------------------------------
// Public Methods
// ---------------------------------------------------------------------
/**
* Creates a new embedded object.
*/
EmbeddedMetadata.prototype.create = function (options) {
if (!(options === null || options === void 0 ? void 0 : options.fromDeserializer) || this.isAlwaysUsingConstructor) {
return new this.type;
}
else {
return Object.create(this.type.prototype);
}
};
// ---------------------------------------------------------------------
// Builder Methods
// ---------------------------------------------------------------------
EmbeddedMetadata.prototype.build = function (connection) {
this.embeddeds.forEach(function (embedded) { return embedded.build(connection); });
this.prefix = this.buildPrefix(connection);
this.parentPropertyNames = this.buildParentPropertyNames();
this.parentPrefixes = this.buildParentPrefixes();
this.propertyPath = this.parentPropertyNames.join(".");
this.embeddedMetadataTree = this.buildEmbeddedMetadataTree();
this.columnsFromTree = this.buildColumnsFromTree();
this.relationsFromTree = this.buildRelationsFromTree();
this.listenersFromTree = this.buildListenersFromTree();
this.indicesFromTree = this.buildIndicesFromTree();
this.uniquesFromTree = this.buildUniquesFromTree();
this.relationIdsFromTree = this.buildRelationIdsFromTree();
this.relationCountsFromTree = this.buildRelationCountsFromTree();
if (connection.options.entitySkipConstructor) {
this.isAlwaysUsingConstructor = !connection.options.entitySkipConstructor;
}
return this;
};
// ---------------------------------------------------------------------
// Protected Methods
// ---------------------------------------------------------------------
EmbeddedMetadata.prototype.buildPartialPrefix = function () {
// if prefix option was not set or explicitly set to true - default prefix
if (this.customPrefix === undefined || this.customPrefix === true) {
return [this.propertyName];
}
// if prefix option was set to empty string or explicity set to false - disable prefix
if (this.customPrefix === "" || this.customPrefix === false) {
return [];
}
// use custom prefix
if (typeof this.customPrefix === "string") {
return [this.customPrefix];
}
throw new error_1.TypeORMError("Invalid prefix option given for " + this.entityMetadata.targetName + "#" + this.propertyName);
};
EmbeddedMetadata.prototype.buildPrefix = function (connection) {
if (connection.driver instanceof MongoDriver_1.MongoDriver)
return this.propertyName;
var prefixes = [];
if (this.parentEmbeddedMetadata)
prefixes.push(this.parentEmbeddedMetadata.buildPrefix(connection));
prefixes.push.apply(prefixes, tslib_1.__spreadArray([], tslib_1.__read(this.buildPartialPrefix())));
return prefixes.join("_"); // todo: use naming strategy instead of "_" !!!
};
EmbeddedMetadata.prototype.buildParentPropertyNames = function () {
return this.parentEmbeddedMetadata ? this.parentEmbeddedMetadata.buildParentPropertyNames().concat(this.propertyName) : [this.propertyName];
};
EmbeddedMetadata.prototype.buildParentPrefixes = function () {
return this.parentEmbeddedMetadata ? this.parentEmbeddedMetadata.buildParentPrefixes().concat(this.buildPartialPrefix()) : this.buildPartialPrefix();
};
EmbeddedMetadata.prototype.buildEmbeddedMetadataTree = function () {
return this.parentEmbeddedMetadata ? this.parentEmbeddedMetadata.buildEmbeddedMetadataTree().concat(this) : [this];
};
EmbeddedMetadata.prototype.buildColumnsFromTree = function () {
return this.embeddeds.reduce(function (columns, embedded) { return columns.concat(embedded.buildColumnsFromTree()); }, this.columns);
};
EmbeddedMetadata.prototype.buildRelationsFromTree = function () {
return this.embeddeds.reduce(function (relations, embedded) { return relations.concat(embedded.buildRelationsFromTree()); }, this.relations);
};
EmbeddedMetadata.prototype.buildListenersFromTree = function () {
return this.embeddeds.reduce(function (relations, embedded) { return relations.concat(embedded.buildListenersFromTree()); }, this.listeners);
};
EmbeddedMetadata.prototype.buildIndicesFromTree = function () {
return this.embeddeds.reduce(function (relations, embedded) { return relations.concat(embedded.buildIndicesFromTree()); }, this.indices);
};
EmbeddedMetadata.prototype.buildUniquesFromTree = function () {
return this.embeddeds.reduce(function (relations, embedded) { return relations.concat(embedded.buildUniquesFromTree()); }, this.uniques);
};
EmbeddedMetadata.prototype.buildRelationIdsFromTree = function () {
return this.embeddeds.reduce(function (relations, embedded) { return relations.concat(embedded.buildRelationIdsFromTree()); }, this.relationIds);
};
EmbeddedMetadata.prototype.buildRelationCountsFromTree = function () {
return this.embeddeds.reduce(function (relations, embedded) { return relations.concat(embedded.buildRelationCountsFromTree()); }, this.relationCounts);
};
return EmbeddedMetadata;
}());
exports.EmbeddedMetadata = EmbeddedMetadata;
//# sourceMappingURL=EmbeddedMetadata.js.map