146 lines
4.0 KiB
TypeScript
146 lines
4.0 KiB
TypeScript
import config from "./config";
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import { Expression } from "../lib/types";
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const resources = {
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devices: {},
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faults: {
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Device: { parameter: ["PARAM", "device"], type: "string" },
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Channel: { parameter: ["PARAM", "channel"], type: "string" },
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Code: { parameter: ["PARAM", "code"], type: "string" },
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Retries: { parameter: ["PARAM", "retries"], type: "number" },
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Timestamp: { parameter: ["PARAM", "timestamp"], type: "timestamp" }
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},
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presets: {
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ID: { parameter: ["PARAM", "_id"], type: "string" },
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Channel: { parameter: ["PARAM", "channel"], type: "string" },
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Weight: { parameter: ["PARAM", "weight"], type: "number" }
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},
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provisions: {
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ID: { parameter: ["PARAM", "_id"], type: "string" }
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},
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virtualParameters: {
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ID: { parameter: ["PARAM", "_id"], type: "string" }
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},
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files: {
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ID: { parameter: ["PARAM", "_id"], type: "string" },
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Type: { parameter: ["PARAM", "metadata.fileType"], type: "string" },
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OUI: { parameter: ["PARAM", "metadata.oui"], type: "string" },
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"Product class": {
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parameter: ["PARAM", "metadata.productClass"],
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type: "string"
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},
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Version: { parameter: ["PARAM", "metadata.version"], type: "string" }
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},
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permissions: {
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Role: { parameter: ["PARAM", "role"], type: "string" },
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Resource: { parameter: ["PARAM", "resource"], type: "string" },
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Access: { parameter: ["PARAM", "access"], type: "number" }
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},
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users: { Username: { parameter: ["PARAM", "_id"], type: "string" } }
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};
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for (const v of Object.values(config.ui.filters as {
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label: string;
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parameter: string;
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type: string;
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}[])) {
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resources.devices[v.label] = {
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parameter: v.parameter,
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type: (v.type || "").split(",").map(s => s.trim())
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};
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}
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export function getLabels(resource): string[] {
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if (!resources[resource]) return [];
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return Object.keys(resources[resource]);
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}
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function queryNumber(param, value): Expression {
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let op = "=";
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for (const o of ["<>", "=", "<=", "<", ">=", ">"]) {
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if (value.startsWith(o)) {
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op = o;
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value = value.slice(o.length).trim();
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break;
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}
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}
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const v = parseInt(value);
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if (v !== +value) return null;
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return [op, param, v];
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}
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function queryTimestamp(param, value): Expression {
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let op = "=";
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for (const o of ["<>", "=", "<=", "<", ">=", ">"]) {
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if (value.startsWith(o)) {
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op = o;
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value = value.slice(o.length).trim();
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break;
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}
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}
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let v = parseInt(value);
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if (v !== +value) v = Date.parse(value);
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if (isNaN(v)) return null;
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return [op, param, v];
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}
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function queryString(param, value): Expression {
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return ["LIKE", ["FUNC", "LOWER", param], value.toLowerCase()];
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}
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function queryMac(param, value): Expression {
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value = value.replace(/[^a-f0-9]/gi, "").toLowerCase();
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if (!value) return null;
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if (value.length === 12) {
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return [
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"LIKE",
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["FUNC", "LOWER", param],
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value.replace(/(..)(?!$)/g, "$1:")
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];
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}
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return [
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"OR",
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[
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"LIKE",
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["FUNC", "LOWER", param],
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`%${value.replace(/(..)(?!$)/g, "$1:")}%`
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],
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["LIKE", ["FUNC", "LOWER", param], `%${value.replace(/(.)(.)/g, "$1:$2")}%`]
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];
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}
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export function unpack(resource, label, value): Expression {
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if (!resources[resource]) return null;
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const type = resources[resource][label].type;
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value = value.trim();
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const res: Expression = ["OR"];
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if (type.length === 0 || type.includes("number")) {
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const q = queryNumber(resources[resource][label].parameter, value);
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if (q) res.push(q);
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}
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if (type.length === 0 || type.includes("string")) {
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const q = queryString(resources[resource][label].parameter, value);
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if (q) res.push(q);
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}
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if (type.length === 0 || type.includes("timestamp")) {
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const q = queryTimestamp(resources[resource][label].parameter, value);
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if (q) res.push(q);
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}
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if (type.includes("mac")) {
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const q = queryMac(resources[resource][label].parameter, value);
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if (q) res.push(q);
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}
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if (res.length <= 1) return null;
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else if (res.length === 2) return res[1];
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else return res;
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}
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