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refactor client models to use lokijs

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This commit is contained in:
Eric Hulburd
2016-02-19 15:42:10 -06:00
parent c26b3b94c3
commit a84df34b55
6 changed files with 172 additions and 227 deletions
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20
client/models/energy_datum.js
View File

@@ -1,6 +1,11 @@
import extend from 'extend';
import moment from 'moment-timezone';
const NAME = 'EnergyDatum';
const COLLECTION_DEFAULTS = {
indices: ['day']
};
class EnergyDatum {
constructor(data, house){
var energy_datum = this;
@@ -36,20 +41,9 @@ class EnergyDatum {
return Math.round(energy_datum.data.production);
}
update(data){
var energy_datum = this,
house = energy_datum.house;
if (data.day) data.day = moment.tz(data.day, house.data.timezone);
extend(energy_datum.data, data);
}
static updateOrInitialize(data, house){
var energy_datum = EnergyDatum.store.get(data.id);
if (energy_datum) energy_datum.update(data);
return energy_datum || new EnergyDatum(data, house)
}
}
EnergyDatum.store = new Map();
EnergyDatum.NAME = NAME;
EnergyDatum.COLLECTION_DEFAULTS = COLLECTION_DEFAULTS;
export default EnergyDatum;

152
client/models/house.js
View File

@@ -6,8 +6,10 @@ import EnergyDatum from './energy_datum';
import PowerDataApi from './../api/power_data';
import EnergyDataApi from './../api/energy_data';
import HousesApi from './../api/houses';
import ArrayUtil from './../../shared/utils/array'
import MathUtil from './../../shared/utils/math'
import ArrayUtil from './../../shared/utils/array';
import MathUtil from './../../shared/utils/math';
import DateRange from './../../shared/utils/date_range';
import Databasable from './../lib/databasable';
class House {
@@ -27,6 +29,18 @@ class House {
return House.collection()
.then((house_collection)=>{
return house_collection.update(house.data);
});
}
setPowerData(opts){
var house = this;
return house.ensurePowerData(opts)
.then(()=>{
return house.collection(PowerDatum.NAME, PowerDatum.COLLECTION_OPTIONS)
.then((power_collection)=>{
var params = house.rangeToLokiParams('time', [opts.start_date, opts.end_date]);
house.power_data = power_collection.find(params).map((data)=>{ return new PowerDatum(data); })
});
})
}
@@ -36,29 +50,40 @@ class House {
end_date: undefined
}, opts || {});
var house = this,
query_ranges = DateUtil.dateOverlaps([opts.start_date, opts.end_date], house.data.query_dates]);
query_ranges = DateRange.addRange([opts.start_date, opts.end_date], house.data.power_datum_ranges);
house.collection(PowerDatum.name, {})
.then((power_collection)=>{
})
if (query_ranges.gaps_filled.length > 0){
house.getPowerData({dates: query_ranges.gaps_filled})
.then(()=>{
house.data.power_datum_ranges = query_ranges.new_ranges;
return house.save();
});
} else { return Promise.resolve(); }
}
getPowerData(params){
var house = this;
params.house_id = house.data.id;
return PowerDataApi.index(params).then((power_data)=>{
return power_data.map((power_datum_data)=>{
// save new power data into db
// update mins and maxes.
var power_datum = PowerDatum.updateOrInitialize(power_datum_data, house);
house.power_data_collection.set(power_datum.data.time, power_datum);
house.power_data.push(power_datum);
return power_datum;
});
});
return PowerDataApi.index(params)
.then((power_data)=>{
return house.collection(PowerDatum.NAME, PowerDatum.COLLECTION_OPTIONS);
.then((power_collection)=>{
power_collection.insert(power_data);
return house.db.save();
});
})
}
setEnergyData(opts){
var house = this;
return house.ensureEnergyData(opts)
.then(()=>{
return house.collection(EnergyDatum.NAME, EnergyDatum.COLLECTION_OPTIONS)
.then((energy_collection)=>{
var params = house.rangeToLokiParams('day', [opts.start_date, opts.end_date]);
house.energy_data = energy_collection.find(params).map((data)=>{ return new EnergyDatum(data); })
});
})
}
ensureEnergyData(opts){
@@ -67,84 +92,28 @@ class House {
end_date: undefined
}, opts || {});
var house = this,
date_range = Array.from(house.energy_data_store.keys()),
min_date = Math.min(date_range),
max_date = Math.max(date_range),
query_ranges, cache;
query_ranges = DateRange.addRange([opts.start_date, opts.end_date], house.data.energy_datum_ranges);
if (date_range.length === 0) return house.getEnergyData({dates: [[opts.start_date, opts.end_date]]})
query_ranges = MathUtil.minusRange([opts.start_date, opts.end_date], [min_date, max_date]);
if (!query_ranges) return Promise.resolve(house.power_data);
cache = ArrayUtil.selectMap(date_range, (datum_day)=>{
return ArrayUtil.all(query_ranges, (query_range)=>{
return !MathUtil.inRange(datum_day, query_range);
});
}, (datum_day)=>{
return house.energy_data_store.get(datum_day);
});
if (query_ranges.length > 0){
return house.getEnergyData({dates: query_ranges}).then((new_energy_data)=>{
return new_energy_data_store.concat(cache);
});
} else return Promise.resolve(cache);
if (query_ranges.gaps_filled.length > 0){
house.getEnergyData({dates: query_ranges.gaps_filled})
.then(()=>{
house.data.energy_datum_ranges = query_ranges.new_ranges;
return house.save();
});
} else { return Promise.resolve(); }
}
getEnergyData(params){
var house = this;
params.house_id = house.data.id;
return EnergyDataApi.index(params).then((energy_data)=>{
return energy_data.map((energy_datum_data)=>{
var energy_datum = EnergyDatum.updateOrInitialize(energy_datum_data, house);
house.energy_data_store.set(energy_datum.day, energy_datum);
house.energy_data.push(energy_datum);
return energy_datum;
});
});
}
update(data){
var house = this;
extend(house.data, data);
}
static updateOrInitialize(id, data){
var house = PowerDatum.store.get(id);
if (house) house.update(data);
return house || new House(data, data)
}
static accessDb(){
return new Promise((fnResolve, fnReject){
if (!House.db) {
House.db = new Loki('houses', adapter: '');
House.db.loadDatabase({}, ()=>{
fnResolve(House.db);
});
} else { fnResolve(House.db); }
});
}
static closeDb(){
if (House.db){
House.db.save();
House.db.close();
House.db = undefined;
}
}
static collection(){
return House.accessDb()
.then((db)=>{
var house_collection = db.getCollection('houses')
if (!house_collection){
house_collection = db.addCollection('houses', {indices: ['id']});
}
return house_collection;
});
return EnergyDataApi.index(params)
.then((energy_data)=>{
return house.collection(EnergyDatum.NAME, EnergyDatum.COLLECTION_OPTIONS);
.then((energy_collection)=>{
energy_collection.insert(energy_data);
return house.db.save();
});
})
}
static ensureHouses(ids){
@@ -178,4 +147,5 @@ class House {
}
Object.assign(House, Databasable);
export default House;

21
client/models/power_datum.js
View File

@@ -1,6 +1,11 @@
import extend from 'extend';
import moment from 'moment-timezone';
const NAME = 'PowerDatum';
const COLLECTION_DEFAULTS = {
indices: ['time']
};
class PowerDatum {
constructor(data, house){
var power_datum = this;
@@ -34,21 +39,9 @@ class PowerDatum {
return Math.round(power_datum.data.production);
}
update(data){
var power_datum = this,
house = power_datum.house;
if (data.time) data.time = moment.tz(data.time, house.data.timezone);
extend(power_datum.data, data);
}
static updateOrInitialize(data, house){
var power_datum = PowerDatum.store.get(data.id);
if (power_datum) power_datum.update(data);
return power_datum || new PowerDatum(data, house)
}
}
PowerDatum.store = new Map();
PowerDatum.NAME = NAME;
PowerDatum.COLLECTION_DEFAULTS = COLLECTION_DEFAULTS;
export default PowerDatum;