"use strict";
const Toposort = require("toposort-class");
const _ = require("lodash");
class ModelManager {
  constructor(sequelize) {
    this.models = [];
    this.sequelize = sequelize;
  }
  addModel(model) {
    this.models.push(model);
    this.sequelize.models[model.name] = model;
    return model;
  }
  removeModel(modelToRemove) {
    this.models = this.models.filter((model) => model.name !== modelToRemove.name);
    delete this.sequelize.models[modelToRemove.name];
  }
  getModel(against, options) {
    options = _.defaults(options || {}, {
      attribute: "name"
    });
    return this.models.find((model) => model[options.attribute] === against);
  }
  get all() {
    return this.models;
  }
  forEachModel(iterator, options) {
    const models = {};
    const sorter = new Toposort();
    let sorted;
    let dep;
    options = _.defaults(options || {}, {
      reverse: true
    });
    for (const model of this.models) {
      let deps = [];
      let tableName = model.getTableName();
      if (_.isObject(tableName)) {
        tableName = `${tableName.schema}.${tableName.tableName}`;
      }
      models[tableName] = model;
      for (const attrName in model.rawAttributes) {
        if (Object.prototype.hasOwnProperty.call(model.rawAttributes, attrName)) {
          const attribute = model.rawAttributes[attrName];
          if (attribute.references) {
            dep = attribute.references.model;
            if (_.isObject(dep)) {
              dep = `${dep.schema}.${dep.tableName}`;
            }
            deps.push(dep);
          }
        }
      }
      deps = deps.filter((dep2) => tableName !== dep2);
      sorter.add(tableName, deps);
    }
    sorted = sorter.sort();
    if (options.reverse) {
      sorted = sorted.reverse();
    }
    for (const name of sorted) {
      iterator(models[name], name);
    }
  }
}
module.exports = ModelManager;
module.exports.ModelManager = ModelManager;
module.exports.default = ModelManager;
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