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- "use strict";
- var __defProp = Object.defineProperty;
- var __defProps = Object.defineProperties;
- var __getOwnPropDescs = Object.getOwnPropertyDescriptors;
- var __getOwnPropSymbols = Object.getOwnPropertySymbols;
- var __hasOwnProp = Object.prototype.hasOwnProperty;
- var __propIsEnum = Object.prototype.propertyIsEnumerable;
- var __defNormalProp = (obj, key, value) => key in obj ? __defProp(obj, key, { enumerable: true, configurable: true, writable: true, value }) : obj[key] = value;
- var __spreadValues = (a, b) => {
- for (var prop in b || (b = {}))
- if (__hasOwnProp.call(b, prop))
- __defNormalProp(a, prop, b[prop]);
- if (__getOwnPropSymbols)
- for (var prop of __getOwnPropSymbols(b)) {
- if (__propIsEnum.call(b, prop))
- __defNormalProp(a, prop, b[prop]);
- }
- return a;
- };
- var __spreadProps = (a, b) => __defProps(a, __getOwnPropDescs(b));
- const Utils = require("./../utils");
- const Helpers = require("./helpers");
- const _ = require("lodash");
- const Association = require("./base");
- const BelongsTo = require("./belongs-to");
- const HasMany = require("./has-many");
- const HasOne = require("./has-one");
- const AssociationError = require("../errors").AssociationError;
- const EmptyResultError = require("../errors").EmptyResultError;
- const Op = require("../operators");
- class BelongsToMany extends Association {
- constructor(source, target, options) {
- super(source, target, options);
- if (this.options.through === void 0 || this.options.through === true || this.options.through === null) {
- throw new AssociationError(`${source.name}.belongsToMany(${target.name}) requires through option, pass either a string or a model`);
- }
- if (!this.options.through.model) {
- this.options.through = {
- model: options.through
- };
- }
- this.associationType = "BelongsToMany";
- this.targetAssociation = null;
- this.sequelize = source.sequelize;
- this.through = __spreadValues({}, this.options.through);
- this.isMultiAssociation = true;
- this.doubleLinked = false;
- if (!this.as && this.isSelfAssociation) {
- throw new AssociationError("'as' must be defined for many-to-many self-associations");
- }
- if (this.as) {
- this.isAliased = true;
- if (_.isPlainObject(this.as)) {
- this.options.name = this.as;
- this.as = this.as.plural;
- } else {
- this.options.name = {
- plural: this.as,
- singular: Utils.singularize(this.as)
- };
- }
- } else {
- this.as = this.target.options.name.plural;
- this.options.name = this.target.options.name;
- }
- this.combinedTableName = Utils.combineTableNames(this.source.tableName, this.isSelfAssociation ? this.as || this.target.tableName : this.target.tableName);
- if (this.isSelfAssociation) {
- this.targetAssociation = this;
- }
- _.each(this.target.associations, (association) => {
- if (association.associationType !== "BelongsToMany")
- return;
- if (association.target !== this.source)
- return;
- if (this.options.through.model === association.options.through.model) {
- this.paired = association;
- association.paired = this;
- }
- });
- this.sourceKey = this.options.sourceKey || this.source.primaryKeyAttribute;
- this.sourceKeyField = this.source.rawAttributes[this.sourceKey].field || this.sourceKey;
- if (this.options.targetKey) {
- this.targetKey = this.options.targetKey;
- this.targetKeyField = this.target.rawAttributes[this.targetKey].field || this.targetKey;
- } else {
- this.targetKeyDefault = true;
- this.targetKey = this.target.primaryKeyAttribute;
- this.targetKeyField = this.target.rawAttributes[this.targetKey].field || this.targetKey;
- }
- this._createForeignAndOtherKeys();
- if (typeof this.through.model === "string") {
- if (!this.sequelize.isDefined(this.through.model)) {
- this.through.model = this.sequelize.define(this.through.model, {}, Object.assign(this.options, {
- tableName: this.through.model,
- indexes: [],
- paranoid: this.through.paranoid ? this.through.paranoid : false,
- validate: {}
- }));
- } else {
- this.through.model = this.sequelize.model(this.through.model);
- }
- }
- Object.assign(this.options, _.pick(this.through.model.options, [
- "timestamps",
- "createdAt",
- "updatedAt",
- "deletedAt",
- "paranoid"
- ]));
- if (this.paired) {
- let needInjectPaired = false;
- if (this.targetKeyDefault) {
- this.targetKey = this.paired.sourceKey;
- this.targetKeyField = this.paired.sourceKeyField;
- this._createForeignAndOtherKeys();
- }
- if (this.paired.targetKeyDefault) {
- if (this.paired.targetKey !== this.sourceKey) {
- delete this.through.model.rawAttributes[this.paired.otherKey];
- this.paired.targetKey = this.sourceKey;
- this.paired.targetKeyField = this.sourceKeyField;
- this.paired._createForeignAndOtherKeys();
- needInjectPaired = true;
- }
- }
- if (this.otherKeyDefault) {
- this.otherKey = this.paired.foreignKey;
- }
- if (this.paired.otherKeyDefault) {
- if (this.paired.otherKey !== this.foreignKey) {
- delete this.through.model.rawAttributes[this.paired.otherKey];
- this.paired.otherKey = this.foreignKey;
- needInjectPaired = true;
- }
- }
- if (needInjectPaired) {
- this.paired._injectAttributes();
- }
- }
- if (this.through) {
- this.throughModel = this.through.model;
- }
- this.options.tableName = this.combinedName = this.through.model === Object(this.through.model) ? this.through.model.tableName : this.through.model;
- this.associationAccessor = this.as;
- const plural = _.upperFirst(this.options.name.plural);
- const singular = _.upperFirst(this.options.name.singular);
- this.accessors = {
- get: `get${plural}`,
- set: `set${plural}`,
- addMultiple: `add${plural}`,
- add: `add${singular}`,
- create: `create${singular}`,
- remove: `remove${singular}`,
- removeMultiple: `remove${plural}`,
- hasSingle: `has${singular}`,
- hasAll: `has${plural}`,
- count: `count${plural}`
- };
- }
- _createForeignAndOtherKeys() {
- if (_.isObject(this.options.foreignKey)) {
- this.foreignKeyAttribute = this.options.foreignKey;
- this.foreignKey = this.foreignKeyAttribute.name || this.foreignKeyAttribute.fieldName;
- } else {
- this.foreignKeyAttribute = {};
- this.foreignKey = this.options.foreignKey || Utils.camelize([
- this.source.options.name.singular,
- this.sourceKey
- ].join("_"));
- }
- if (_.isObject(this.options.otherKey)) {
- this.otherKeyAttribute = this.options.otherKey;
- this.otherKey = this.otherKeyAttribute.name || this.otherKeyAttribute.fieldName;
- } else {
- if (!this.options.otherKey) {
- this.otherKeyDefault = true;
- }
- this.otherKeyAttribute = {};
- this.otherKey = this.options.otherKey || Utils.camelize([
- this.isSelfAssociation ? Utils.singularize(this.as) : this.target.options.name.singular,
- this.targetKey
- ].join("_"));
- }
- }
- _injectAttributes() {
- this.identifier = this.foreignKey;
- this.foreignIdentifier = this.otherKey;
- _.each(this.through.model.rawAttributes, (attribute, attributeName) => {
- if (attribute.primaryKey === true && attribute._autoGenerated === true) {
- if ([this.foreignKey, this.otherKey].includes(attributeName)) {
- attribute.primaryKey = false;
- } else {
- delete this.through.model.rawAttributes[attributeName];
- }
- this.primaryKeyDeleted = true;
- }
- });
- const sourceKey = this.source.rawAttributes[this.sourceKey];
- const sourceKeyType = sourceKey.type;
- const sourceKeyField = this.sourceKeyField;
- const targetKey = this.target.rawAttributes[this.targetKey];
- const targetKeyType = targetKey.type;
- const targetKeyField = this.targetKeyField;
- const sourceAttribute = __spreadValues({ type: sourceKeyType }, this.foreignKeyAttribute);
- const targetAttribute = __spreadValues({ type: targetKeyType }, this.otherKeyAttribute);
- if (this.primaryKeyDeleted === true) {
- targetAttribute.primaryKey = sourceAttribute.primaryKey = true;
- } else if (this.through.unique !== false) {
- let uniqueKey;
- if (typeof this.options.uniqueKey === "string" && this.options.uniqueKey !== "") {
- uniqueKey = this.options.uniqueKey;
- } else {
- uniqueKey = [this.through.model.tableName, this.foreignKey, this.otherKey, "unique"].join("_");
- }
- targetAttribute.unique = sourceAttribute.unique = uniqueKey;
- }
- if (!this.through.model.rawAttributes[this.foreignKey]) {
- this.through.model.rawAttributes[this.foreignKey] = {
- _autoGenerated: true
- };
- }
- if (!this.through.model.rawAttributes[this.otherKey]) {
- this.through.model.rawAttributes[this.otherKey] = {
- _autoGenerated: true
- };
- }
- if (this.options.constraints !== false) {
- sourceAttribute.references = {
- model: this.source.getTableName(),
- key: sourceKeyField
- };
- sourceAttribute.onDelete = this.options.onDelete || this.through.model.rawAttributes[this.foreignKey].onDelete;
- sourceAttribute.onUpdate = this.options.onUpdate || this.through.model.rawAttributes[this.foreignKey].onUpdate;
- if (!sourceAttribute.onDelete)
- sourceAttribute.onDelete = "CASCADE";
- if (!sourceAttribute.onUpdate)
- sourceAttribute.onUpdate = "CASCADE";
- targetAttribute.references = {
- model: this.target.getTableName(),
- key: targetKeyField
- };
- targetAttribute.onDelete = this.through.model.rawAttributes[this.otherKey].onDelete || this.options.onDelete;
- targetAttribute.onUpdate = this.through.model.rawAttributes[this.otherKey].onUpdate || this.options.onUpdate;
- if (!targetAttribute.onDelete)
- targetAttribute.onDelete = "CASCADE";
- if (!targetAttribute.onUpdate)
- targetAttribute.onUpdate = "CASCADE";
- }
- Object.assign(this.through.model.rawAttributes[this.foreignKey], sourceAttribute);
- Object.assign(this.through.model.rawAttributes[this.otherKey], targetAttribute);
- this.through.model.refreshAttributes();
- this.identifierField = this.through.model.rawAttributes[this.foreignKey].field || this.foreignKey;
- this.foreignIdentifierField = this.through.model.rawAttributes[this.otherKey].field || this.otherKey;
- if (this.options.sequelize.options.dialect === "db2" && this.source.rawAttributes[this.sourceKey].primaryKey !== true) {
- this.source.rawAttributes[this.sourceKey].unique = true;
- }
- if (this.paired && !this.paired.foreignIdentifierField) {
- this.paired.foreignIdentifierField = this.through.model.rawAttributes[this.paired.otherKey].field || this.paired.otherKey;
- }
- this.toSource = new BelongsTo(this.through.model, this.source, {
- foreignKey: this.foreignKey
- });
- this.manyFromSource = new HasMany(this.source, this.through.model, {
- foreignKey: this.foreignKey
- });
- this.oneFromSource = new HasOne(this.source, this.through.model, {
- foreignKey: this.foreignKey,
- sourceKey: this.sourceKey,
- as: this.through.model.name
- });
- this.toTarget = new BelongsTo(this.through.model, this.target, {
- foreignKey: this.otherKey
- });
- this.manyFromTarget = new HasMany(this.target, this.through.model, {
- foreignKey: this.otherKey
- });
- this.oneFromTarget = new HasOne(this.target, this.through.model, {
- foreignKey: this.otherKey,
- sourceKey: this.targetKey,
- as: this.through.model.name
- });
- if (this.paired && this.paired.otherKeyDefault) {
- this.paired.toTarget = new BelongsTo(this.paired.through.model, this.paired.target, {
- foreignKey: this.paired.otherKey
- });
- this.paired.oneFromTarget = new HasOne(this.paired.target, this.paired.through.model, {
- foreignKey: this.paired.otherKey,
- sourceKey: this.paired.targetKey,
- as: this.paired.through.model.name
- });
- }
- Helpers.checkNamingCollision(this);
- return this;
- }
- mixin(obj) {
- const methods = ["get", "count", "hasSingle", "hasAll", "set", "add", "addMultiple", "remove", "removeMultiple", "create"];
- const aliases = {
- hasSingle: "has",
- hasAll: "has",
- addMultiple: "add",
- removeMultiple: "remove"
- };
- Helpers.mixinMethods(this, obj, methods, aliases);
- }
- async get(instance, options) {
- options = Utils.cloneDeep(options) || {};
- const through = this.through;
- let scopeWhere;
- let throughWhere;
- if (this.scope) {
- scopeWhere = __spreadValues({}, this.scope);
- }
- options.where = {
- [Op.and]: [
- scopeWhere,
- options.where
- ]
- };
- if (Object(through.model) === through.model) {
- throughWhere = {};
- throughWhere[this.foreignKey] = instance.get(this.sourceKey);
- if (through.scope) {
- Object.assign(throughWhere, through.scope);
- }
- if (options.through && options.through.where) {
- throughWhere = {
- [Op.and]: [throughWhere, options.through.where]
- };
- }
- options.include = options.include || [];
- options.include.push({
- association: this.oneFromTarget,
- attributes: options.joinTableAttributes,
- required: true,
- paranoid: _.get(options.through, "paranoid", true),
- where: throughWhere
- });
- }
- let model = this.target;
- if (Object.prototype.hasOwnProperty.call(options, "scope")) {
- if (!options.scope) {
- model = model.unscoped();
- } else {
- model = model.scope(options.scope);
- }
- }
- if (Object.prototype.hasOwnProperty.call(options, "schema")) {
- model = model.schema(options.schema, options.schemaDelimiter);
- }
- return model.findAll(options);
- }
- async count(instance, options) {
- const sequelize = this.target.sequelize;
- options = Utils.cloneDeep(options);
- options.attributes = [
- [sequelize.fn("COUNT", sequelize.col([this.target.name, this.targetKeyField].join("."))), "count"]
- ];
- options.joinTableAttributes = [];
- options.raw = true;
- options.plain = true;
- const result = await this.get(instance, options);
- return parseInt(result.count, 10);
- }
- async has(sourceInstance, instances, options) {
- if (!Array.isArray(instances)) {
- instances = [instances];
- }
- options = __spreadProps(__spreadValues({
- raw: true
- }, options), {
- scope: false,
- attributes: [this.targetKey],
- joinTableAttributes: []
- });
- const instancePrimaryKeys = instances.map((instance) => {
- if (instance instanceof this.target) {
- return instance.where();
- }
- return {
- [this.targetKey]: instance
- };
- });
- options.where = {
- [Op.and]: [
- { [Op.or]: instancePrimaryKeys },
- options.where
- ]
- };
- const associatedObjects = await this.get(sourceInstance, options);
- return _.differenceWith(instancePrimaryKeys, associatedObjects, (a, b) => _.isEqual(a[this.targetKey], b[this.targetKey])).length === 0;
- }
- async set(sourceInstance, newAssociatedObjects, options) {
- options = options || {};
- const sourceKey = this.sourceKey;
- const targetKey = this.targetKey;
- const identifier = this.identifier;
- const foreignIdentifier = this.foreignIdentifier;
- if (newAssociatedObjects === null) {
- newAssociatedObjects = [];
- } else {
- newAssociatedObjects = this.toInstanceArray(newAssociatedObjects);
- }
- const where = __spreadValues({
- [identifier]: sourceInstance.get(sourceKey)
- }, this.through.scope);
- const updateAssociations = (currentRows) => {
- const obsoleteAssociations = [];
- const promises = [];
- const defaultAttributes = options.through || {};
- const unassociatedObjects = newAssociatedObjects.filter((obj) => !currentRows.some((currentRow) => currentRow[foreignIdentifier] === obj.get(targetKey)));
- for (const currentRow of currentRows) {
- const newObj = newAssociatedObjects.find((obj) => currentRow[foreignIdentifier] === obj.get(targetKey));
- if (!newObj) {
- obsoleteAssociations.push(currentRow);
- } else {
- let throughAttributes = newObj[this.through.model.name];
- if (throughAttributes instanceof this.through.model) {
- throughAttributes = {};
- }
- const attributes = __spreadValues(__spreadValues({}, defaultAttributes), throughAttributes);
- if (Object.keys(attributes).length) {
- promises.push(this.through.model.update(attributes, Object.assign(options, {
- where: {
- [identifier]: sourceInstance.get(sourceKey),
- [foreignIdentifier]: newObj.get(targetKey)
- }
- })));
- }
- }
- }
- if (obsoleteAssociations.length > 0) {
- promises.push(this.through.model.destroy(__spreadProps(__spreadValues({}, options), {
- where: __spreadValues({
- [identifier]: sourceInstance.get(sourceKey),
- [foreignIdentifier]: obsoleteAssociations.map((obsoleteAssociation) => obsoleteAssociation[foreignIdentifier])
- }, this.through.scope)
- })));
- }
- if (unassociatedObjects.length > 0) {
- const bulk = unassociatedObjects.map((unassociatedObject) => {
- return __spreadValues(__spreadProps(__spreadValues(__spreadValues({}, defaultAttributes), unassociatedObject[this.through.model.name]), {
- [identifier]: sourceInstance.get(sourceKey),
- [foreignIdentifier]: unassociatedObject.get(targetKey)
- }), this.through.scope);
- });
- promises.push(this.through.model.bulkCreate(bulk, __spreadValues({ validate: true }, options)));
- }
- return Promise.all(promises);
- };
- try {
- const currentRows = await this.through.model.findAll(__spreadProps(__spreadValues({}, options), { where, raw: true }));
- return await updateAssociations(currentRows);
- } catch (error) {
- if (error instanceof EmptyResultError)
- return updateAssociations([]);
- throw error;
- }
- }
- async add(sourceInstance, newInstances, options) {
- if (!newInstances)
- return Promise.resolve();
- options = __spreadValues({}, options);
- const association = this;
- const sourceKey = association.sourceKey;
- const targetKey = association.targetKey;
- const identifier = association.identifier;
- const foreignIdentifier = association.foreignIdentifier;
- const defaultAttributes = options.through || {};
- newInstances = association.toInstanceArray(newInstances);
- const where = __spreadValues({
- [identifier]: sourceInstance.get(sourceKey),
- [foreignIdentifier]: newInstances.map((newInstance) => newInstance.get(targetKey))
- }, association.through.scope);
- const updateAssociations = (currentRows) => {
- const promises = [];
- const unassociatedObjects = [];
- const changedAssociations = [];
- for (const obj of newInstances) {
- const existingAssociation = currentRows && currentRows.find((current) => current[foreignIdentifier] === obj.get(targetKey));
- if (!existingAssociation) {
- unassociatedObjects.push(obj);
- } else {
- const throughAttributes = obj[association.through.model.name];
- const attributes = __spreadValues(__spreadValues({}, defaultAttributes), throughAttributes);
- if (Object.keys(attributes).some((attribute) => attributes[attribute] !== existingAssociation[attribute])) {
- changedAssociations.push(obj);
- }
- }
- }
- if (unassociatedObjects.length > 0) {
- const bulk = unassociatedObjects.map((unassociatedObject) => {
- const throughAttributes = unassociatedObject[association.through.model.name];
- const attributes = __spreadValues(__spreadValues({}, defaultAttributes), throughAttributes);
- attributes[identifier] = sourceInstance.get(sourceKey);
- attributes[foreignIdentifier] = unassociatedObject.get(targetKey);
- Object.assign(attributes, association.through.scope);
- return attributes;
- });
- promises.push(association.through.model.bulkCreate(bulk, __spreadValues({ validate: true }, options)));
- }
- for (const assoc of changedAssociations) {
- let throughAttributes = assoc[association.through.model.name];
- const attributes = __spreadValues(__spreadValues({}, defaultAttributes), throughAttributes);
- if (throughAttributes instanceof association.through.model) {
- throughAttributes = {};
- }
- promises.push(association.through.model.update(attributes, Object.assign(options, { where: {
- [identifier]: sourceInstance.get(sourceKey),
- [foreignIdentifier]: assoc.get(targetKey)
- } })));
- }
- return Promise.all(promises);
- };
- try {
- const currentRows = await association.through.model.findAll(__spreadProps(__spreadValues({}, options), { where, raw: true }));
- const [associations] = await updateAssociations(currentRows);
- return associations;
- } catch (error) {
- if (error instanceof EmptyResultError)
- return updateAssociations();
- throw error;
- }
- }
- remove(sourceInstance, oldAssociatedObjects, options) {
- const association = this;
- options = options || {};
- oldAssociatedObjects = association.toInstanceArray(oldAssociatedObjects);
- const where = {
- [association.identifier]: sourceInstance.get(association.sourceKey),
- [association.foreignIdentifier]: oldAssociatedObjects.map((newInstance) => newInstance.get(association.targetKey))
- };
- return association.through.model.destroy(__spreadProps(__spreadValues({}, options), { where }));
- }
- async create(sourceInstance, values, options) {
- const association = this;
- options = options || {};
- values = values || {};
- if (Array.isArray(options)) {
- options = {
- fields: options
- };
- }
- if (association.scope) {
- Object.assign(values, association.scope);
- if (options.fields) {
- options.fields = options.fields.concat(Object.keys(association.scope));
- }
- }
- const newAssociatedObject = await association.target.create(values, options);
- await sourceInstance[association.accessors.add](newAssociatedObject, _.omit(options, ["fields"]));
- return newAssociatedObject;
- }
- verifyAssociationAlias(alias) {
- if (typeof alias === "string") {
- return this.as === alias;
- }
- if (alias && alias.plural) {
- return this.as === alias.plural;
- }
- return !this.isAliased;
- }
- }
- module.exports = BelongsToMany;
- module.exports.BelongsToMany = BelongsToMany;
- module.exports.default = BelongsToMany;
- //# sourceMappingURL=belongs-to-many.js.map
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