frontend/demo/src/stubs/history.ts
2021-08-11 01:22:27 +02:00

384 lines
11 KiB
TypeScript

import { addHours, differenceInHours, endOfDay } from "date-fns";
import { HassEntity } from "home-assistant-js-websocket";
import { StatisticValue } from "../../../src/data/history";
import { MockHomeAssistant } from "../../../src/fake_data/provide_hass";
interface HistoryQueryParams {
filter_entity_id: string;
end_time: string;
}
const parseQuery = <T>(queryString: string) => {
const query: any = {};
const items = queryString.split("&");
for (const item of items) {
const parts = item.split("=");
const key = decodeURIComponent(parts[0]);
const value = parts.length > 1 ? decodeURIComponent(parts[1]) : undefined;
query[key] = value;
}
return query as T;
};
const getTime = (minutesAgo) => {
const ts = new Date(Date.now() - minutesAgo * 60 * 1000);
return ts.toISOString();
};
const randomTimeAdjustment = (diff) => Math.random() * diff - diff / 2;
const maxTime = 1440;
const generateHistory = (state, deltas) => {
const changes =
typeof deltas[0] === "object"
? deltas
: deltas.map((st) => ({ state: st }));
const timeDiff = 900 / changes.length;
return changes.map((change, index) => {
let attributes;
if (!change.attributes && !state.attributes) {
attributes = {};
} else if (!change.attributes) {
attributes = state.attributes;
} else if (!state.attributes) {
attributes = change.attributes;
} else {
attributes = { ...state.attributes, ...change.attributes };
}
const time =
index === 0
? getTime(maxTime)
: getTime(maxTime - index * timeDiff + randomTimeAdjustment(timeDiff));
return {
attributes,
entity_id: state.entity_id,
state: change.state || state.state,
last_changed: time,
last_updated: time,
};
});
};
const incrementalUnits = ["clients", "queries", "ads"];
const generateMeanStatistics = (
id: string,
start: Date,
end: Date,
initValue: number,
maxDiff: number
) => {
const statistics: StatisticValue[] = [];
let currentDate = new Date(start);
currentDate.setMinutes(0, 0, 0);
let lastVal = initValue;
const now = new Date();
while (end > currentDate && currentDate < now) {
const delta = Math.random() * maxDiff;
const mean = lastVal + delta;
statistics.push({
statistic_id: id,
start: currentDate.toISOString(),
mean,
min: mean - Math.random() * maxDiff,
max: mean + Math.random() * maxDiff,
last_reset: "1970-01-01T00:00:00+00:00",
state: mean,
sum: null,
});
lastVal = mean;
currentDate = addHours(currentDate, 1);
}
return statistics;
};
const generateSumStatistics = (
id: string,
start: Date,
end: Date,
initValue: number,
maxDiff: number
) => {
const statistics: StatisticValue[] = [];
let currentDate = new Date(start);
currentDate.setMinutes(0, 0, 0);
let sum = initValue;
const now = new Date();
while (end > currentDate && currentDate < now) {
const add = Math.random() * maxDiff;
sum += add;
statistics.push({
statistic_id: id,
start: currentDate.toISOString(),
mean: null,
min: null,
max: null,
last_reset: "1970-01-01T00:00:00+00:00",
state: initValue + sum,
sum,
});
currentDate = addHours(currentDate, 1);
}
return statistics;
};
const generateCurvedStatistics = (
id: string,
start: Date,
end: Date,
initValue: number,
maxDiff: number,
metered: boolean
) => {
const statistics: StatisticValue[] = [];
let currentDate = new Date(start);
currentDate.setMinutes(0, 0, 0);
let sum = initValue;
const hours = differenceInHours(end, start) - 1;
let i = 0;
let half = false;
const now = new Date();
while (end > currentDate && currentDate < now) {
const add = Math.random() * maxDiff;
sum += i * add;
statistics.push({
statistic_id: id,
start: currentDate.toISOString(),
mean: null,
min: null,
max: null,
last_reset: "1970-01-01T00:00:00+00:00",
state: initValue + sum,
sum: metered ? sum : null,
});
currentDate = addHours(currentDate, 1);
if (!half && i > hours / 2) {
half = true;
}
i += half ? -1 : 1;
}
return statistics;
};
const statisticsFunctions: Record<
string,
(id: string, start: Date, end: Date) => StatisticValue[]
> = {
"sensor.energy_consumption_tarif_1": (id: string, start: Date, end: Date) => {
const morningEnd = new Date(start.getTime() + 10 * 60 * 60 * 1000);
const morningLow = generateSumStatistics(id, start, morningEnd, 0, 0.7);
const eveningStart = new Date(start.getTime() + 20 * 60 * 60 * 1000);
const morningFinalVal = morningLow.length
? morningLow[morningLow.length - 1].sum!
: 0;
const empty = generateSumStatistics(
id,
morningEnd,
eveningStart,
morningFinalVal,
0
);
const eveningLow = generateSumStatistics(
id,
eveningStart,
end,
morningFinalVal,
0.7
);
return [...morningLow, ...empty, ...eveningLow];
},
"sensor.energy_consumption_tarif_2": (id: string, start: Date, end: Date) => {
const morningEnd = new Date(start.getTime() + 9 * 60 * 60 * 1000);
const eveningStart = new Date(start.getTime() + 20 * 60 * 60 * 1000);
const highTarif = generateSumStatistics(
id,
morningEnd,
eveningStart,
0,
0.3
);
const highTarifFinalVal = highTarif.length
? highTarif[highTarif.length - 1].sum!
: 0;
const morning = generateSumStatistics(id, start, morningEnd, 0, 0);
const evening = generateSumStatistics(
id,
eveningStart,
end,
highTarifFinalVal,
0
);
return [...morning, ...highTarif, ...evening];
},
"sensor.energy_production_tarif_1": (id, start, end) =>
generateSumStatistics(id, start, end, 0, 0),
"sensor.energy_production_tarif_1_compensation": (id, start, end) =>
generateSumStatistics(id, start, end, 0, 0),
"sensor.energy_production_tarif_2": (id, start, end) => {
const productionStart = new Date(start.getTime() + 9 * 60 * 60 * 1000);
const productionEnd = new Date(start.getTime() + 21 * 60 * 60 * 1000);
const dayEnd = new Date(endOfDay(productionEnd));
const production = generateCurvedStatistics(
id,
productionStart,
productionEnd,
0,
0.15,
true
);
const productionFinalVal = production.length
? production[production.length - 1].sum!
: 0;
const morning = generateSumStatistics(id, start, productionStart, 0, 0);
const evening = generateSumStatistics(
id,
productionEnd,
dayEnd,
productionFinalVal,
0
);
const rest = generateSumStatistics(id, dayEnd, end, productionFinalVal, 1);
return [...morning, ...production, ...evening, ...rest];
},
"sensor.solar_production": (id, start, end) => {
const productionStart = new Date(start.getTime() + 7 * 60 * 60 * 1000);
const productionEnd = new Date(start.getTime() + 23 * 60 * 60 * 1000);
const dayEnd = new Date(endOfDay(productionEnd));
const production = generateCurvedStatistics(
id,
productionStart,
productionEnd,
0,
0.3,
true
);
const productionFinalVal = production.length
? production[production.length - 1].sum!
: 0;
const morning = generateSumStatistics(id, start, productionStart, 0, 0);
const evening = generateSumStatistics(
id,
productionEnd,
dayEnd,
productionFinalVal,
0
);
const rest = generateSumStatistics(id, dayEnd, end, productionFinalVal, 2);
return [...morning, ...production, ...evening, ...rest];
},
"sensor.grid_fossil_fuel_percentage": (id, start, end) =>
generateMeanStatistics(id, start, end, 35, 1.3),
};
export const mockHistory = (mockHass: MockHomeAssistant) => {
mockHass.mockAPI(
new RegExp("history/period/.+"),
(hass, _method, path, _parameters) => {
const params = parseQuery<HistoryQueryParams>(path.split("?")[1]);
const entities = params.filter_entity_id.split(",");
const results: HassEntity[][] = [];
for (const entityId of entities) {
const state = hass.states[entityId];
if (!state) {
continue;
}
if (!state.attributes.unit_of_measurement) {
results.push(generateHistory(state, [state.state]));
continue;
}
const numberState = Number(state.state);
if (isNaN(numberState)) {
// eslint-disable-next-line no-console
console.log(
"Ignoring state with unparsable state but with a unit",
entityId,
state
);
continue;
}
const statesToGenerate = 15;
let genFunc;
if (incrementalUnits.includes(state.attributes.unit_of_measurement)) {
let initial = Math.floor(
numberState * 0.4 + numberState * Math.random() * 0.2
);
const diff = Math.max(
1,
Math.floor((numberState - initial) / statesToGenerate)
);
genFunc = () => {
initial += diff;
return Math.min(numberState, initial);
};
} else {
const diff = Math.floor(
numberState * (numberState > 80 ? 0.05 : 0.5)
);
genFunc = () =>
numberState - diff + Math.floor(Math.random() * 2 * diff);
}
results.push(
generateHistory(
{
entity_id: state.entity_id,
attributes: state.attributes,
},
Array.from({ length: statesToGenerate }, genFunc)
)
);
}
return results;
}
);
mockHass.mockWS("history/list_statistic_ids", () => []);
mockHass.mockWS(
"history/statistics_during_period",
({ statistic_ids, start_time, end_time }, hass) => {
const start = new Date(start_time);
const end = end_time ? new Date(end_time) : new Date();
const statistics: Record<string, StatisticValue[]> = {};
statistic_ids.forEach((id: string) => {
if (id in statisticsFunctions) {
statistics[id] = statisticsFunctions[id](id, start, end);
} else {
const entityState = hass.states[id];
const state = entityState ? Number(entityState.state) : 1;
statistics[id] =
entityState && "last_reset" in entityState.attributes
? generateSumStatistics(
id,
start,
end,
state,
state * (state > 80 ? 0.01 : 0.05)
)
: generateMeanStatistics(
id,
start,
end,
state,
state * (state > 80 ? 0.05 : 0.1)
);
}
});
return statistics;
}
);
};