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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