Files
old-spike/client/models/house.js
2016-03-11 19:01:59 -06:00

298 lines
9.9 KiB
JavaScript

import extend from 'extend';
import Loki from 'lokijs/src/lokijs';
import moment from 'moment-timezone';
import HousesApi from 'api/houses';
import PowerDataApi from 'api/power_data';
import EnergyDataApi from 'api/energy_data';
import PowerDatum from './power_datum';
import EnergyDatum from './energy_datum';
import ArrayUtil from './../../shared/utils/array';
import MathUtil from './../../shared/utils/math';
import DateRange from './../../shared/utils/date_range';
import Databasable from './../lib/databasable';
const NAME = 'House';
const MAX_POWER_RANGE = 3600 * 24 * 4; // 4 days
class House {
// must be initiated with a dataset already in Loki database (not directly JSON).
constructor(data){
var house = this;
house.data = data;
house.state = {};
Object.assign(house, Databasable);
var n_years = house.data_until_moment.year() - house.data_from_moment.year() + 1;
house.years = [];
for (var year=house.data_from_moment.year(); year<=house.data_until_moment.year(); year+=1){
house.years.push(year);
}
}
get data_from_moment(){
var house = this;
return moment.tz(house.data.data_from * 1000, house.data.timezone);
}
get data_until_moment(){
var house = this;
return moment.tz(house.data.data_until * 1000, house.data.timezone);
}
get scoped_id(){
return `house-${this.data.id}`;
}
get select_props(){
if (this.selected) return {selected: true};
else return {};
}
parseMoment(s, format){
var house = this;
return moment.tz(s, format, house.data.timezone);
}
availableMonths(year){
var house = this,
all_months = moment.monthsShort();
if (year === house.data_from_moment.format('YYYY')){
return all_months.slice(house.data_from_moment.month(), 12);
} else if (year === house.data_until_moment.format('YYYY')){
return all_months.slice(0, house.data_until_moment.month() + 1);
} else {
return all_months;
}
}
// This will mutate params.
verifyMonthState(params){
var house = this;
params.month = params.month || house.data_until_moment.format('MMM');
params.year = params.year || house.data_until_moment.year();
var new_year = +params.year;
if (new_year < house.data_from_moment.year()) params.year = house.data_from_moment.year();
else if (new_year > house.data_until_moment.year()) params.year = house.data_until_moment.year();
var available_months = house.availableMonths(params.year);
if (available_months.indexOf(params.month) < 0){
params.month = available_months[available_months.length - 1];
}
}
// This will mutate params
verifyPowerRange(power_range, params){
var house = this,
month_i = moment.monthsShort().indexOf(params.month),
month_moment = moment.tz({year: params.year, month: month_i, day: 1}, house.data.timezone).startOf('month'),
end_of_month = month_moment.clone().endOf('month'),
start_moment = month_moment < house.data_from_moment ? house.data_from_moment : month_moment,
end_moment = end_of_month > house.data_until_moment ? house.data_until_moment : end_of_month;
var current_data_range = [start_moment.unix(), end_moment.unix()],
state_power_range = house.state.power_range || [],
power_min = state_power_range[0],
power_max = state_power_range[1];
if (power_range[1] && DateRange.inRange(power_range[1], current_data_range)){
power_max = power_range[1];
}
if (power_range[0] && DateRange.inRange(power_range[0], current_data_range) && power_range[0] < power_max){
power_min = power_range[0];
}
if (!power_max || !DateRange.inRange(power_max, current_data_range)){
power_max = end_moment.unix();
}
if (!power_min ||
!DateRange.inRange(power_min, current_data_range) ||
power_max - power_min > MAX_POWER_RANGE){
power_min = power_max - MAX_POWER_RANGE;
}
return [power_min, power_max];
}
offset_diff(unix){
var house = this,
tz = moment.tz.zone(house.data.timezone);
return (new Date(unix * 1000).getTimezoneOffset() - tz.offset(unix * 1000)) * 60;
}
toDate(unix){
var house = this;
return new Date((unix + house.offset_diff(unix)) * 1000);
}
formatDate(unix, format){
var house = this;
return moment.tz(unix * 1000, house.data.timezone).format(format)
}
save(){
var house = this;
return House.collection(House.NAME, House.NAME)
.then((house_collection)=>{
house_collection.update(house.data);
return House.db.save();
});
}
setPowerData(power_range){
var house = this;
house.state.power_range = power_range;
return house.collection(house.scoped_id, PowerDatum.NAME, PowerDatum.COLLECTION_OPTIONS)
.then((power_collection)=>{
return house.ensurePowerData()
.then(()=>{
var params = house.rangeToLokiParams('time', house.state.power_range);
house.power_data = power_collection.find(params)
.sort((pd1, pd2)=>{
if (pd1.time === pd2.time) return 0;
if (pd1.time > pd2.time) return 1;
if (pd1.time < pd2.time) return -1;
})
.map((data)=>{ return new PowerDatum(data, house); });
});
});
}
ensurePowerData(){
var house = this,
query_ranges;
query_ranges = DateRange.addRange(house.state.power_range, house.data.power_datum_ranges || []);
if (query_ranges.gaps_filled.length > 0){
var params = {dates: query_ranges.gaps_filled};
return house.getPowerData(params)
.then(()=>{
house.data.power_datum_ranges = query_ranges.new_ranges;
house.save();
});
} else { return Promise.resolve(); }
}
getPowerData(params){
var house = this;
params.house_id = house.data.id;
return house.collection(house.scoped_id, PowerDatum.NAME, PowerDatum.COLLECTION_OPTIONS)
.then((power_collection)=>{
return PowerDataApi.index(params)
.then((power_data)=>{
power_collection.insert(power_data);
house.db.save();
});
})
}
setEnergyData(energy_range){
var house = this;
house.state.energy_range = energy_range;
return house.collection(house.scoped_id, EnergyDatum.NAME, EnergyDatum.COLLECTION_OPTIONS)
.then((energy_collection)=>{
return house.ensureEnergyData()
.then((res)=>{
var params = house.rangeToLokiParams('day', house.state.energy_range);
house.energy_data = energy_collection.find(params)
.sort((pd1, pd2)=>{
if (pd1.day === pd2.day) return 0;
if (pd1.day > pd2.day) return 1;
if (pd1.day < pd2.day) return -1;
})
.map((data)=>{ return new EnergyDatum(data, house); });
});
});
}
ensureEnergyData(){
var house = this,
query_ranges = DateRange.addRange(house.state.energy_range, house.data.energy_datum_ranges || []);
if (query_ranges.gaps_filled.length > 0){
return new Promise((fnResolve, fnReject)=>{
house.getEnergyData({dates: query_ranges.gaps_filled})
.then((energy_data)=>{
house.saveEnergyData(energy_data, query_ranges.new_ranges)
.then(fnResolve);
});
});
} else { return Promise.resolve(); }
}
getEnergyData(params){
var house = this;
params.house_id = house.data.id;
return EnergyDataApi.index(params);
}
// save new energy data to LokiJs Db, as well as
// the new energy data query ranges (ie house metadata).
saveEnergyData(energy_data, new_ranges){
var house = this;
return new Promise((fnResolve, fnReject)=>{
house.collection(house.scoped_id, EnergyDatum.NAME, EnergyDatum.COLLECTION_OPTIONS)
.then((energy_collection)=>{
energy_collection.insert(energy_data);
house.db.save();
house.data.energy_datum_ranges = new_ranges;
house.save();
fnResolve();
});
});
}
// removes all energy and power data from LokiJs (memory and persisted) database.
clearData(){
var house = this,
all = [
new Promise((fnResolve, fnReject)=>{
house.collection(house.scoped_id, PowerDatum.NAME)
.then((power_collection)=>{
power_collection.removeWhere({});
house.db.save(fnResolve);
});
}),
new Promise((fnResolve, fnReject)=>{
house.collection(house.scoped_id, EnergyDatum.NAME)
.then((energy_collection)=>{
energy_collection.removeWhere({});
house.db.save(fnResolve);
});
}),
new Promise((fnResolve, fnReject)=>{
House.collection(House.NAME, House.NAME)
.then((house_collection)=>{
house_collection.remove(house.data);
House.db.save(fnResolve);
});
})
]
return Promise.all(all)
}
static ensureHouses(ids){
return House.collection(House.NAME, House.NAME)
.then((house_collection)=>{
var houses_data = ids ? house_collection.find({id: {$in: ids}}) : house_collection.find();
if (!ids && houses_data.length === 0 || ids && houses_data.length !== ids.length){
var required_ids = ids ? ArrayUtil.diff(ids, houses_data.map((data)=>{ return data.id; })) : undefined;
return HousesApi.index({id: ids})
.then((required_houses)=>{
(required_houses || []).forEach((house_data)=>{
house_collection.insert(house_data);
});
House.db.save();
return houses_data.concat(required_houses);
});
} else { return Promise.resolve(houses_data); }
}).then((houses_data)=>{
return houses_data.map((house_data)=>{ return new House(house_data); })
});
}
}
House.NAME = NAME;
House.MAX_POWER_RANGE = MAX_POWER_RANGE;
Object.assign(House, Databasable);
export default House;