cheetah-framework/js/framework/utils/GridFilters.js

Cheetah Framework JS used in all our applications

export default class GridFilters {
  constructor (model, values = {}) {
    this.values = { ...this.constructor.defaultValues, ...values }
    this.model = model
    this.handlers = this.getHandlers()
  }

  static get defaultValues () {
    return {}
  }

  init (params, defaults) {
    defaults = defaults || {}
    Object.keys(this.values).forEach(key => {
      this.values[key] = params.filters?.[key] ?? (defaults[key]?.length ? defaults[key] : this.values[key])
    })
  }

  clear () {
    Object.keys(this.values).forEach(key => {
      this.values[key] = this.constructor.defaultValues[key]
    })
  }

  getFiltersObject () {
    return Object.keys(this.values).map(filter => ({
      key: filter,
      value: this.values[filter],
      handler: this.handlers[filter]
    }))
  }

  getCriteria () {
    return this.getFiltersObject().map(filter => filter.handler()).filter(filter => !!filter)
  }

  getQuery () {
    return _.pickBy(this.values, val => !_.isEmpty(val) || typeof val === 'number')
  }

  serialize () {
    const query = this.getQuery()
    return _.isEmpty(query) ? null : JSON.stringify(query)
  }

  getHandlers () {
    return {}
  }
}