317 lines
12 KiB
JavaScript
317 lines
12 KiB
JavaScript
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"use strict";
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var __defProp = Object.defineProperty;
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var __defProps = Object.defineProperties;
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var __getOwnPropDescs = Object.getOwnPropertyDescriptors;
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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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var __spreadProps = (a, b) => __defProps(a, __getOwnPropDescs(b));
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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 HasMany extends Association {
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constructor(source, target, options) {
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super(source, target, options);
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this.associationType = "HasMany";
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this.targetAssociation = null;
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this.sequelize = source.sequelize;
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this.isMultiAssociation = true;
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this.foreignKeyAttribute = {};
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if (this.options.through) {
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throw new Error("N:M associations are not supported with hasMany. Use belongsToMany instead");
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}
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if (this.isSelfAssociation) {
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this.targetAssociation = this;
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}
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if (this.as) {
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this.isAliased = true;
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if (_.isPlainObject(this.as)) {
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this.options.name = this.as;
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this.as = this.as.plural;
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} else {
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this.options.name = {
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plural: this.as,
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singular: Utils.singularize(this.as)
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};
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}
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} else {
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this.as = this.target.options.name.plural;
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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.source.options.name.singular,
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this.source.primaryKeyAttribute
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].join("_"));
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}
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if (this.target.rawAttributes[this.foreignKey]) {
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this.identifierField = this.target.rawAttributes[this.foreignKey].field || this.foreignKey;
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this.foreignKeyField = this.target.rawAttributes[this.foreignKey].field || this.foreignKey;
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}
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this.sourceKey = this.options.sourceKey || this.source.primaryKeyAttribute;
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if (this.source.rawAttributes[this.sourceKey]) {
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this.sourceKeyAttribute = this.sourceKey;
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this.sourceKeyField = this.source.rawAttributes[this.sourceKey].field || this.sourceKey;
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} else {
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this.sourceKeyAttribute = this.source.primaryKeyAttribute;
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this.sourceKeyField = this.source.primaryKeyField;
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}
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const plural = _.upperFirst(this.options.name.plural);
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const singular = _.upperFirst(this.options.name.singular);
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this.associationAccessor = this.as;
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this.accessors = {
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get: `get${plural}`,
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set: `set${plural}`,
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addMultiple: `add${plural}`,
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add: `add${singular}`,
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create: `create${singular}`,
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remove: `remove${singular}`,
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removeMultiple: `remove${plural}`,
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hasSingle: `has${singular}`,
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hasAll: `has${plural}`,
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count: `count${plural}`
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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.source.rawAttributes[this.sourceKeyAttribute].type,
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allowNull: true
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}, this.foreignKeyAttribute)
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};
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const constraintOptions = __spreadValues({}, this.options);
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if (this.options.constraints !== false) {
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const target = this.target.rawAttributes[this.foreignKey] || newAttributes[this.foreignKey];
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constraintOptions.onDelete = constraintOptions.onDelete || (target.allowNull ? "SET NULL" : "CASCADE");
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constraintOptions.onUpdate = constraintOptions.onUpdate || "CASCADE";
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}
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Helpers.addForeignKeyConstraints(newAttributes[this.foreignKey], this.source, this.target, constraintOptions, this.sourceKeyField);
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Utils.mergeDefaults(this.target.rawAttributes, newAttributes);
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this.target.refreshAttributes();
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this.source.refreshAttributes();
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this.identifierField = this.target.rawAttributes[this.foreignKey].field || this.foreignKey;
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this.foreignKeyField = this.target.rawAttributes[this.foreignKey].field || this.foreignKey;
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this.sourceKeyField = this.source.rawAttributes[this.sourceKey].field || this.sourceKey;
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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", "count", "hasSingle", "hasAll", "set", "add", "addMultiple", "remove", "removeMultiple", "create"];
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const aliases = {
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hasSingle: "has",
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hasAll: "has",
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addMultiple: "add",
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removeMultiple: "remove"
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};
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Helpers.mixinMethods(this, obj, methods, aliases);
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}
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async get(instances, options = {}) {
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const where = {};
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let Model = this.target;
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let instance;
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let values;
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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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options = __spreadValues({}, options);
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if (this.scope) {
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Object.assign(where, this.scope);
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}
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if (instances) {
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values = instances.map((_instance) => _instance.get(this.sourceKey, { raw: true }));
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if (options.limit && instances.length > 1) {
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options.groupedLimit = {
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limit: options.limit,
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on: this,
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values
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};
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delete options.limit;
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} else {
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where[this.foreignKey] = {
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[Op.in]: values
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};
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delete options.groupedLimit;
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}
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} else {
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where[this.foreignKey] = instance.get(this.sourceKey, { raw: true });
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}
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options.where = options.where ? { [Op.and]: [where, options.where] } : where;
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if (Object.prototype.hasOwnProperty.call(options, "scope")) {
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if (!options.scope) {
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Model = Model.unscoped();
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} else {
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Model = Model.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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Model = Model.schema(options.schema, options.schemaDelimiter);
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}
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const results = await Model.findAll(options);
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if (instance)
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return results;
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const result = {};
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for (const _instance of instances) {
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result[_instance.get(this.sourceKey, { raw: true })] = [];
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}
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for (const _instance of results) {
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result[_instance.get(this.foreignKey, { raw: true })].push(_instance);
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}
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return result;
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}
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async count(instance, options) {
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options = Utils.cloneDeep(options);
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options.attributes = [
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[
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this.sequelize.fn("COUNT", this.sequelize.col(`${this.target.name}.${this.target.primaryKeyField}`)),
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"count"
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]
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];
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options.raw = true;
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options.plain = true;
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const result = await this.get(instance, options);
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return parseInt(result.count, 10);
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}
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async has(sourceInstance, targetInstances, options) {
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const where = {};
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if (!Array.isArray(targetInstances)) {
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targetInstances = [targetInstances];
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}
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options = __spreadProps(__spreadValues({}, options), {
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scope: false,
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attributes: [this.target.primaryKeyAttribute],
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raw: true
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});
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where[Op.or] = targetInstances.map((instance) => {
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if (instance instanceof this.target) {
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return instance.where();
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}
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return {
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[this.target.primaryKeyAttribute]: instance
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};
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});
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options.where = {
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[Op.and]: [
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where,
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options.where
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]
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};
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const associatedObjects = await this.get(sourceInstance, options);
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return associatedObjects.length === targetInstances.length;
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}
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async set(sourceInstance, targetInstances, options) {
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if (targetInstances === null) {
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targetInstances = [];
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} else {
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targetInstances = this.toInstanceArray(targetInstances);
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}
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const oldAssociations = await this.get(sourceInstance, __spreadProps(__spreadValues({}, options), { scope: false, raw: true }));
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const promises = [];
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const obsoleteAssociations = oldAssociations.filter((old) => !targetInstances.find((obj) => obj[this.target.primaryKeyAttribute] === old[this.target.primaryKeyAttribute]));
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const unassociatedObjects = targetInstances.filter((obj) => !oldAssociations.find((old) => obj[this.target.primaryKeyAttribute] === old[this.target.primaryKeyAttribute]));
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let updateWhere;
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let update;
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if (obsoleteAssociations.length > 0) {
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update = {};
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update[this.foreignKey] = null;
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updateWhere = {
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[this.target.primaryKeyAttribute]: obsoleteAssociations.map((associatedObject) => associatedObject[this.target.primaryKeyAttribute])
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};
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promises.push(this.target.unscoped().update(update, __spreadProps(__spreadValues({}, options), {
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where: updateWhere
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})));
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}
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if (unassociatedObjects.length > 0) {
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updateWhere = {};
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update = {};
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update[this.foreignKey] = sourceInstance.get(this.sourceKey);
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Object.assign(update, this.scope);
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updateWhere[this.target.primaryKeyAttribute] = unassociatedObjects.map((unassociatedObject) => unassociatedObject[this.target.primaryKeyAttribute]);
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promises.push(this.target.unscoped().update(update, __spreadProps(__spreadValues({}, options), {
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where: updateWhere
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})));
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}
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await Promise.all(promises);
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return sourceInstance;
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}
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async add(sourceInstance, targetInstances, options = {}) {
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if (!targetInstances)
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return Promise.resolve();
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targetInstances = this.toInstanceArray(targetInstances);
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const update = __spreadValues({
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[this.foreignKey]: sourceInstance.get(this.sourceKey)
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}, this.scope);
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const where = {
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[this.target.primaryKeyAttribute]: targetInstances.map((unassociatedObject) => unassociatedObject.get(this.target.primaryKeyAttribute))
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};
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await this.target.unscoped().update(update, __spreadProps(__spreadValues({}, options), { where }));
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return sourceInstance;
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}
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async remove(sourceInstance, targetInstances, options = {}) {
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const update = {
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[this.foreignKey]: null
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};
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targetInstances = this.toInstanceArray(targetInstances);
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const where = {
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[this.foreignKey]: sourceInstance.get(this.sourceKey),
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[this.target.primaryKeyAttribute]: targetInstances.map((targetInstance) => targetInstance.get(this.target.primaryKeyAttribute))
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};
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await this.target.unscoped().update(update, __spreadProps(__spreadValues({}, options), { where }));
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return this;
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}
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async create(sourceInstance, values, options = {}) {
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if (Array.isArray(options)) {
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options = {
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fields: options
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};
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}
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if (values === void 0) {
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values = {};
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}
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if (this.scope) {
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for (const attribute of Object.keys(this.scope)) {
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values[attribute] = this.scope[attribute];
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if (options.fields)
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options.fields.push(attribute);
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}
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}
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values[this.foreignKey] = sourceInstance.get(this.sourceKey);
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if (options.fields)
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options.fields.push(this.foreignKey);
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return await this.target.create(values, options);
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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.plural) {
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return this.as === alias.plural;
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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 = HasMany;
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module.exports.HasMany = HasMany;
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module.exports.default = HasMany;
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//# sourceMappingURL=has-many.js.map
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