Sindbad~EG File Manager

"use strict";
const _ = require("lodash");
const HasOne = require("./has-one");
const HasMany = require("./has-many");
const BelongsToMany = require("./belongs-to-many");
const BelongsTo = require("./belongs-to");
function isModel(model, sequelize) {
  return model && model.prototype && model.prototype instanceof sequelize.Sequelize.Model;
}
const Mixin = {
  hasMany(target, options = {}) {
    if (!isModel(target, this.sequelize)) {
      throw new Error(`${this.name}.hasMany called with something that's not a subclass of Sequelize.Model`);
    }
    const source = this;
    options.hooks = options.hooks === void 0 ? false : Boolean(options.hooks);
    options.useHooks = options.hooks;
    Object.assign(options, _.omit(source.options, ["hooks"]));
    if (options.useHooks) {
      this.runHooks("beforeAssociate", { source, target, type: HasMany }, options);
    }
    const association = new HasMany(source, target, options);
    source.associations[association.associationAccessor] = association;
    association._injectAttributes();
    association.mixin(source.prototype);
    if (options.useHooks) {
      this.runHooks("afterAssociate", { source, target, type: HasMany, association }, options);
    }
    return association;
  },
  belongsToMany(target, options = {}) {
    if (!isModel(target, this.sequelize)) {
      throw new Error(`${this.name}.belongsToMany called with something that's not a subclass of Sequelize.Model`);
    }
    const source = this;
    options.hooks = options.hooks === void 0 ? false : Boolean(options.hooks);
    options.useHooks = options.hooks;
    options.timestamps = options.timestamps === void 0 ? this.sequelize.options.timestamps : options.timestamps;
    Object.assign(options, _.omit(source.options, ["hooks", "timestamps", "scopes", "defaultScope"]));
    if (options.useHooks) {
      this.runHooks("beforeAssociate", { source, target, type: BelongsToMany }, options);
    }
    const association = new BelongsToMany(source, target, options);
    source.associations[association.associationAccessor] = association;
    association._injectAttributes();
    association.mixin(source.prototype);
    if (options.useHooks) {
      this.runHooks("afterAssociate", { source, target, type: BelongsToMany, association }, options);
    }
    return association;
  },
  getAssociations(target) {
    return Object.values(this.associations).filter((association) => association.target.name === target.name);
  },
  getAssociationForAlias(target, alias) {
    return this.getAssociations(target).find((association) => association.verifyAssociationAlias(alias)) || null;
  }
};
function singleLinked(Type) {
  return function(target, options = {}) {
    const source = this;
    if (!isModel(target, source.sequelize)) {
      throw new Error(`${source.name}.${_.lowerFirst(Type.name)} called with something that's not a subclass of Sequelize.Model`);
    }
    options.hooks = options.hooks === void 0 ? false : Boolean(options.hooks);
    options.useHooks = options.hooks;
    if (options.useHooks) {
      source.runHooks("beforeAssociate", { source, target, type: Type }, options);
    }
    const association = new Type(source, target, Object.assign(options, source.options));
    source.associations[association.associationAccessor] = association;
    association._injectAttributes();
    association.mixin(source.prototype);
    if (options.useHooks) {
      source.runHooks("afterAssociate", { source, target, type: Type, association }, options);
    }
    return association;
  };
}
Mixin.hasOne = singleLinked(HasOne);
Mixin.belongsTo = singleLinked(BelongsTo);
module.exports = Mixin;
module.exports.Mixin = Mixin;
module.exports.default = Mixin;
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