173 lines
6.3 KiB
JavaScript
173 lines
6.3 KiB
JavaScript
"use strict";
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var __defProp = Object.defineProperty;
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var __getOwnPropSymbols = Object.getOwnPropertySymbols;
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var __hasOwnProp = Object.prototype.hasOwnProperty;
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var __propIsEnum = Object.prototype.propertyIsEnumerable;
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var __defNormalProp = (obj, key, value) => key in obj ? __defProp(obj, key, { enumerable: true, configurable: true, writable: true, value }) : obj[key] = value;
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var __spreadValues = (a, b) => {
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for (var prop in b || (b = {}))
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if (__hasOwnProp.call(b, prop))
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__defNormalProp(a, prop, b[prop]);
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if (__getOwnPropSymbols)
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for (var prop of __getOwnPropSymbols(b)) {
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if (__propIsEnum.call(b, prop))
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__defNormalProp(a, prop, b[prop]);
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}
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return a;
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};
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const Utils = require("./../utils");
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const Helpers = require("./helpers");
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const _ = require("lodash");
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const Association = require("./base");
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const Op = require("../operators");
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class BelongsTo extends Association {
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constructor(source, target, options) {
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super(source, target, options);
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this.associationType = "BelongsTo";
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this.isSingleAssociation = true;
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this.foreignKeyAttribute = {};
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if (this.as) {
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this.isAliased = true;
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this.options.name = {
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singular: this.as
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};
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} else {
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this.as = this.target.options.name.singular;
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this.options.name = this.target.options.name;
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}
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if (_.isObject(this.options.foreignKey)) {
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this.foreignKeyAttribute = this.options.foreignKey;
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this.foreignKey = this.foreignKeyAttribute.name || this.foreignKeyAttribute.fieldName;
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} else if (this.options.foreignKey) {
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this.foreignKey = this.options.foreignKey;
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}
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if (!this.foreignKey) {
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this.foreignKey = Utils.camelize([
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this.as,
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this.target.primaryKeyAttribute
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].join("_"));
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}
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this.identifier = this.foreignKey;
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if (this.source.rawAttributes[this.identifier]) {
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this.identifierField = this.source.rawAttributes[this.identifier].field || this.identifier;
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}
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if (this.options.targetKey && !this.target.rawAttributes[this.options.targetKey]) {
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throw new Error(`Unknown attribute "${this.options.targetKey}" passed as targetKey, define this attribute on model "${this.target.name}" first`);
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}
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this.targetKey = this.options.targetKey || this.target.primaryKeyAttribute;
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this.targetKeyField = this.target.rawAttributes[this.targetKey].field || this.targetKey;
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this.targetKeyIsPrimary = this.targetKey === this.target.primaryKeyAttribute;
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this.targetIdentifier = this.targetKey;
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this.associationAccessor = this.as;
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this.options.useHooks = options.useHooks;
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const singular = _.upperFirst(this.options.name.singular);
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this.accessors = {
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get: `get${singular}`,
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set: `set${singular}`,
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create: `create${singular}`
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};
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}
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_injectAttributes() {
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const newAttributes = {
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[this.foreignKey]: __spreadValues({
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type: this.options.keyType || this.target.rawAttributes[this.targetKey].type,
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allowNull: true
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}, this.foreignKeyAttribute)
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};
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if (this.options.constraints !== false) {
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const source = this.source.rawAttributes[this.foreignKey] || newAttributes[this.foreignKey];
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this.options.onDelete = this.options.onDelete || (source.allowNull ? "SET NULL" : "NO ACTION");
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this.options.onUpdate = this.options.onUpdate || "CASCADE";
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}
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Helpers.addForeignKeyConstraints(newAttributes[this.foreignKey], this.target, this.source, this.options, this.targetKeyField);
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Utils.mergeDefaults(this.source.rawAttributes, newAttributes);
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this.source.refreshAttributes();
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this.identifierField = this.source.rawAttributes[this.foreignKey].field || this.foreignKey;
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Helpers.checkNamingCollision(this);
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return this;
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}
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mixin(obj) {
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const methods = ["get", "set", "create"];
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Helpers.mixinMethods(this, obj, methods);
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}
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async get(instances, options) {
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const where = {};
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let Target = this.target;
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let instance;
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options = Utils.cloneDeep(options);
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if (Object.prototype.hasOwnProperty.call(options, "scope")) {
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if (!options.scope) {
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Target = Target.unscoped();
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} else {
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Target = Target.scope(options.scope);
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}
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}
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if (Object.prototype.hasOwnProperty.call(options, "schema")) {
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Target = Target.schema(options.schema, options.schemaDelimiter);
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}
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if (!Array.isArray(instances)) {
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instance = instances;
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instances = void 0;
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}
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if (instances) {
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where[this.targetKey] = {
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[Op.in]: instances.map((_instance) => _instance.get(this.foreignKey))
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};
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} else {
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if (this.targetKeyIsPrimary && !options.where) {
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return Target.findByPk(instance.get(this.foreignKey), options);
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}
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where[this.targetKey] = instance.get(this.foreignKey);
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options.limit = null;
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}
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options.where = options.where ? { [Op.and]: [where, options.where] } : where;
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if (instances) {
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const results = await Target.findAll(options);
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const result = {};
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for (const _instance of instances) {
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result[_instance.get(this.foreignKey, { raw: true })] = null;
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}
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for (const _instance of results) {
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result[_instance.get(this.targetKey, { raw: true })] = _instance;
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}
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return result;
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}
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return Target.findOne(options);
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}
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async set(sourceInstance, associatedInstance, options = {}) {
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let value = associatedInstance;
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if (associatedInstance instanceof this.target) {
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value = associatedInstance[this.targetKey];
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}
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sourceInstance.set(this.foreignKey, value);
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if (options.save === false)
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return;
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options = __spreadValues({
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fields: [this.foreignKey],
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allowNull: [this.foreignKey],
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association: true
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}, options);
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return await sourceInstance.save(options);
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}
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async create(sourceInstance, values, options) {
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values = values || {};
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options = options || {};
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const newAssociatedObject = await this.target.create(values, options);
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await sourceInstance[this.accessors.set](newAssociatedObject, options);
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return newAssociatedObject;
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}
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verifyAssociationAlias(alias) {
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if (typeof alias === "string") {
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return this.as === alias;
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}
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if (alias && alias.singular) {
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return this.as === alias.singular;
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}
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return !this.isAliased;
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}
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}
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module.exports = BelongsTo;
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module.exports.BelongsTo = BelongsTo;
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module.exports.default = BelongsTo;
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//# sourceMappingURL=belongs-to.js.map
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