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elvia-api.js
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elvia-api.js
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const fetch = require("node-fetch");
function ping(node, subscriptionKey, setResultStatus = true) {
const url = "https://elvia.azure-api.net/grid-tariff/Ping";
const headers = { "X-API-Key": subscriptionKey };
fetch(url, { headers })
.then((res) => {
if (setResultStatus) {
setNodeStatus(node, res.status);
}
})
.catch((e) => {
console.log("Elvia API error: " + e);
});
}
function getTariff(node, subscriptionKey, tariffKey, range = "today", setResultStatus = true) {
const url =
"https://elvia.azure-api.net/grid-tariff/digin/api/1.0/tariffquery?TariffKey=" + tariffKey + "&Range=" + range;
return get(node, subscriptionKey, url, setResultStatus);
}
function getTariffForPeriod(node, subscriptionKey, tariffKey, startTime, endTime, setResultStatus = true) {
const url =
"https://elvia.azure-api.net/grid-tariff/digin/api/1.0/tariffquery?TariffKey=" +
tariffKey +
"&StartTime=" +
startTime +
"&EndTime=" +
endTime;
return get(node, subscriptionKey, url, setResultStatus);
}
function getTariffTypes(node, subscriptionKey, setResultStatus = true) {
const url = "https://elvia.azure-api.net/grid-tariff/digin/api/1.0/tarifftype";
return get(node, subscriptionKey, url, setResultStatus);
}
function get(node, subscriptionKey, url, setResultStatus) {
const headers = { "X-API-Key": subscriptionKey };
return fetch(url, { headers })
.then((res) => {
if (setResultStatus && node) {
setNodeStatus(node, res.status);
}
if (res.status === 500) {
console.error("Elvia internal server error (status 500)");
return;
}
return res.json().then((json) => {
if (json.statusCode === 401) {
console.error("Elvia API error: " + json.message);
}
return json;
});
})
.catch((e) => {
console.log("Elvia API error: " + e);
});
}
function setNodeStatus(node, status) {
if (status === 200) {
node.status({ fill: "green", shape: "dot", text: "Connected" });
} else if (status === 401) {
node.status({ fill: "red", shape: "dot", text: "Unauthorized" });
} else if (status === 403) {
node.status({ fill: "red", shape: "dot", text: "Forbidden" });
} else if (status === 500) {
node.status({ fill: "red", shape: "dot", text: "Elvia server error" });
}
}
module.exports = {
ping,
getTariff,
getTariffForPeriod,
getTariffTypes,
};