eHealthAfrica/direct-delivery-dashboard

'use strict'

angular.module('location')
  .service('locationService', function (dbService, pouchUtil) {
    var _this = this

    _this.levels = function () {
      var view = 'location-level/all'
      var params = { include_docs: true }
      return dbService.getView(view, params)
        .then(pouchUtil.pluckDocs)
        .then(pouchUtil.rejectIfEmpty)
    }

    _this.getLocationsByLevel = function (level) {
      var view = 'location/by-level'
      var params = {
        include_docs: true,
        key: level
      }
      return dbService.getView(view, params)
        .then(pouchUtil.pluckDocs)
        .then(pouchUtil.rejectIfEmpty)
    }

    _this.getByLevelAndAncestor = function (keys) {
      var view = 'location/by-level-and-ancestors-id'
      var params = {
        include_docs: true,
        keys: keys
      }
      return dbService.getView(view, params)
        .then(pouchUtil.pluckDocs)
    }

    _this.getByIds = function (keys) {
      var view = 'location/by-ancestors-id'
      var params = {
        include_docs: true,
        keys: keys
      }
      return dbService.getView(view, params)
        .then(pouchUtil.pluckDocs)
    }

    _this.getLocationsByLevelAndId = function (level, ids) {
      function getLevelIdTuple (id) {
        return [ level, id ]
      }

      var keys = ids.map(getLevelIdTuple)
      var view = 'location/by-level-and-id'
      var params = {
        include_docs: true,
        keys: keys
      }
      return dbService.getView(view, params)
        .then(pouchUtil.pluckDocs)
        .then(pouchUtil.rejectIfEmpty)
    }

    _this.saveMany = function (locations) {
      return dbService.saveDocs(locations)
    }
  })