660 lines
20 KiB
TypeScript
660 lines
20 KiB
TypeScript
/**
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* Copyright 2013-2019 GenieACS Inc.
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*
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* This file is part of GenieACS.
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*
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* GenieACS is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License as
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* published by the Free Software Foundation, either version 3 of the
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* License, or (at your option) any later version.
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*
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* GenieACS is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Affero General Public License for more details.
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*
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* You should have received a copy of the GNU Affero General Public License
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* along with GenieACS. If not, see <http://www.gnu.org/licenses/>.
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*/
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import { ObjectID } from "mongodb";
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import { map, parse, stringify, parseList } from "./common/expression-parser";
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import { likePatternToRegExp, evaluate } from "./common/expression";
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import { Expression, Fault, Task } from "./types";
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const isArray = Array.isArray;
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export function processDeviceFilter(filter: Expression): Expression {
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return map(filter, (exp) => {
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if (!isArray(exp)) return exp;
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if (exp[0] === "PARAM") {
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const p = exp[1];
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if (p === "DeviceID.ID") return ["PARAM", "_id"];
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else if (p === "DeviceID") return ["PARAM", "_deviceId"];
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else if (p.startsWith("DeviceID."))
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return ["PARAM", "_deviceId._" + p.slice(9)];
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else if (p === "Events.Inform") return ["PARAM", "_lastInform"];
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else if (p === "Events.Registered") return ["PARAM", "_registered"];
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else if (p === "Events.0_BOOTSTRAP") return ["PARAM", "_lastBootstrap"];
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else if (p === "Events.1_BOOT") return ["PARAM", "_lastBoot"];
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} else if (
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isArray(exp[1]) &&
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exp[1][0] === "PARAM" &&
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exp[1][1].startsWith("Tags.")
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) {
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const t = exp[1][1].slice(5);
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if (exp[0] === "IS NULL") return ["<>", ["PARAM", "_tags"], t];
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else if (exp[0] === "IS NOT NULL") return ["=", ["PARAM", "_tags"], t];
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else if (exp[0] === "=" && exp[2] === true)
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return ["=", ["PARAM", "_tags"], t];
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else if (exp[0] === "<>" && exp[2] !== true)
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return ["=", ["PARAM", "_tags"], t];
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} else if (
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[
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"=",
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"<>",
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">",
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">=",
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"<",
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"<=",
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"LIKE",
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"NOT LIKE",
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"IS NULL",
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"IS NOT NULL",
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].includes(exp[0])
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) {
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let e = map(exp, (ee) => {
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if (
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isArray(ee) &&
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ee[0] === "PARAM" &&
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typeof ee[1] === "string" &&
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!ee[1].startsWith("_")
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)
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return ["PARAM", `${ee[1]}._value`];
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return ee;
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});
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if (typeof e[2] === "number") {
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const alt = (e as any[]).slice();
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alt[2] = new Date(e[2]);
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e = ["OR", e, alt];
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}
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return e;
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}
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return exp;
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});
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}
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export function processTasksFilter(filter: Expression): Expression {
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return map(filter, (exp) => {
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if (!isArray(exp)) return exp;
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if (["=", "<>", ">", ">=", "<", "<="].includes(exp[0])) {
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const e = exp.slice();
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if (e[1][0] === "PARAM" && e[1][1] === "_id") e[2] = new ObjectID(e[2]);
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else if (e[1][0] === "PARAM" && e[1][1] === "timestamp")
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e[2] = new Date(e[2]);
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else if (e[1][0] === "PARAM" && e[1][1] === "expiry")
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e[2] = new Date(e[2]);
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return e;
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}
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return exp;
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});
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}
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export function processFaultsFilter(filter: Expression): Expression {
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return map(filter, (exp) => {
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if (!isArray(exp)) return exp;
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if (["=", "<>", ">", ">=", "<", "<="].includes(exp[0])) {
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const e = exp.slice();
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if (e[1][0] === "PARAM" && e[1][1] === "timestamp") e[2] = new Date(e[2]);
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else if (e[1][0] === "PARAM" && e[1][1] === "expiry")
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e[2] = new Date(e[2]);
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return e;
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}
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return exp;
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});
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}
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export function filterToMongoQuery(exp: Expression): Record<string, unknown> {
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const ops = {
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OR: 0,
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AND: 0,
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NOT: 0,
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"=": 1,
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"<>": 1,
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">": 1,
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">=": 1,
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"<": 1,
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"<=": 1,
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LIKE: 1,
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"NOT LIKE": 1,
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"IS NULL": 1,
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"IS NOT NULL": 1,
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};
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function recursive(filter, negate, res = {}): Record<string, unknown> {
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const op = filter[0];
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if (ops[op] === 0) {
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if (op === "AND") filter = filter.filter((f) => f !== true);
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if (op === "OR") filter = filter.filter((f) => f !== false);
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if (filter.length === 2) return recursive(filter[1], negate, res);
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for (let i = 1; i < filter.length; ++i) {
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if (!isArray(filter[i]) || ops[filter[i][0]] == null)
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throw new Error(`Invalid expression in ${op} clause`);
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}
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if ((!negate && op === "AND") || (negate && op === "OR")) {
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res["$and"] = res["$and"] || [];
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for (let i = 1; i < filter.length; ++i)
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res["$and"].push(recursive(filter[i], negate));
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} else if ((!negate && op === "OR") || (negate && op === "AND")) {
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res["$or"] = res["$or"] || [];
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for (let i = 1; i < filter.length; ++i)
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res["$or"].push(recursive(filter[i], negate));
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} else if (op === "NOT") {
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recursive(filter[1], !negate, res);
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}
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} else if (ops[op] === 1) {
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if (isArray(filter[2])) {
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throw new Error(`Right operand of ${op} clause is not a primitive`);
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} else if (
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["LIKE", "NOT LIKE"].includes(op) &&
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isArray(filter[1]) &&
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filter[1][0] === "FUNC" &&
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["UPPER", "LOWER"].includes(filter[1][1])
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) {
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if (
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(filter[1][1] === "UPPER" && filter[2] !== filter[2].toUpperCase()) ||
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(filter[1][1] === "LOWER" && filter[2] !== filter[2].toLowerCase())
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) {
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throw new Error(
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`Cannot compare ${
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filter[1][1]
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}() against non-${filter[1][1].toLowerCase()}case pattern`
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);
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}
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} else if (!isArray(filter[1]) || filter[1][0] !== "PARAM") {
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throw new Error(`Left operand of ${op} clause is not a parameter`);
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}
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if (op === "=") {
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const param = filter[1][1];
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const p = (res[param] = res[param] || {});
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if (negate) p["$ne"] = filter[2];
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else p["$eq"] = filter[2];
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} else if (op === "<>") {
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const param = filter[1][1];
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let p = (res[param] = res[param] || {});
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if (negate) p = p["$not"] = p["$not"] || {};
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p["$ne"] = filter[2];
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if (param !== "_tags") p["$exists"] = true;
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} else if (op === ">") {
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const param = filter[1][1];
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let p = (res[param] = res[param] || {});
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if (negate) p = p["$not"] = p["$not"] || {};
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p["$gt"] = filter[2];
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} else if (op === ">=") {
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const param = filter[1][1];
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let p = (res[param] = res[param] || {});
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if (negate) p = p["$not"] = p["$not"] || {};
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p["$gte"] = filter[2];
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} else if (op === "<") {
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const param = filter[1][1];
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let p = (res[param] = res[param] || {});
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if (negate) p = p["$not"] = p["$not"] || {};
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p["$lt"] = filter[2];
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} else if (op === "<=") {
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const param = filter[1][1];
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let p = (res[param] = res[param] || {});
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if (negate) p = p["$not"] = p["$not"] || {};
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p["$lte"] = filter[2];
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} else if (op === "IS NULL") {
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const param = filter[1][1];
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res[param] = { $exists: negate };
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} else if (op === "IS NOT NULL") {
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const param = filter[1][1];
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res[param] = { $exists: !negate };
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} else {
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if (op === "NOT LIKE") negate = !negate;
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let param;
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let flags;
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if (filter[1][0] === "FUNC" && filter[1][1] === "UPPER") {
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param = filter[1][2][1];
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flags = "i";
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} else if (filter[1][0] === "FUNC" && filter[1][1] === "LOWER") {
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param = filter[1][2][1];
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flags = "i";
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} else {
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param = filter[1][1];
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flags = "";
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}
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const r = likePatternToRegExp(filter[2], filter[3], flags);
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if (negate) res[param] = { $not: r };
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else res[param] = r;
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}
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} else {
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throw new Error(`Unrecognized operator ${op}`);
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}
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return res;
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}
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const _exp = evaluate(exp, null, Date.now());
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if (!isArray(_exp)) {
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if (_exp === true) return {};
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throw new Error("Primitives are not valid queries");
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}
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return recursive(_exp, false);
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}
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export function processDeviceProjection(
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projection: Record<string, 1>
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): Record<string, 1> {
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if (!projection) return projection;
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const p = {};
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for (const [k, v] of Object.entries(projection)) {
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if (k === "DeviceID.ID") {
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p["_id"] = 1;
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} else if (k.startsWith("DeviceID")) {
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p["_deviceId._SerialNumber"] = v;
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p["_deviceId._OUI"] = v;
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p["_deviceId._ProductClass"] = v;
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p["_deviceId._Manufacturer"] = v;
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} else if (k.startsWith("Tags")) {
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p["_tags"] = v;
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} else if (k.startsWith("Events")) {
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p["_lastInform"] = v;
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p["_registered"] = v;
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p["_lastBoot"] = v;
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p["_lastBootstrap"] = v;
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} else {
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p[k] = v;
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}
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}
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return p;
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}
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export function processDeviceSort(
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sort: Record<string, number>
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): Record<string, number> {
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if (!sort) return sort;
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const s = {};
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for (const [k, v] of Object.entries(sort)) {
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if (k === "DeviceID.ID") s["_id"] = v;
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else if (k.startsWith("DeviceID.")) s[`_deviceId._${k.slice(9)}`] = v;
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else if (k === "Events.Inform") s["_lastInform"] = v;
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else if (k === "Events.Registered") s["_registered"] = v;
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else if (k === "Events.1_BOOT") s["_lastBoot"] = v;
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else if (k === "Events.0_BOOTSTRAP") s["_lastBootstrap"] = v;
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else s[`${k}._value`] = v;
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}
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return s;
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}
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function parseDate(d: Date): number | string {
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const n = +d;
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return isNaN(n) ? "" + d : n;
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}
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interface FlatDevice {
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[param: string]: {
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object: boolean;
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objectTimestamp: number;
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writable: boolean;
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writableTimestamp: number;
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value: [string | number | boolean, string];
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valueTimestamp: number;
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};
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}
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export function flattenDevice(device: Record<string, unknown>): FlatDevice {
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function recursive(input, root, output, timestamp): void {
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for (const [name, tree] of Object.entries(input)) {
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if (!root) {
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if (name === "_lastInform") {
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output["Events.Inform"] = {
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value: [parseDate(tree as Date), "xsd:dateTime"],
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valueTimestamp: timestamp,
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writable: false,
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writableTimestamp: timestamp,
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object: false,
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objectTimestamp: timestamp,
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};
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} else if (name === "_registered") {
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output["Events.Registered"] = {
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value: [parseDate(tree as Date), "xsd:dateTime"],
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valueTimestamp: timestamp,
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writable: false,
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writableTimestamp: timestamp,
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object: false,
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objectTimestamp: timestamp,
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};
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} else if (name === "_lastBoot") {
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output["Events.1_BOOT"] = {
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value: [parseDate(tree as Date), "xsd:dateTime"],
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valueTimestamp: timestamp,
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writable: false,
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writableTimestamp: timestamp,
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object: false,
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objectTimestamp: timestamp,
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};
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} else if (name === "_lastBootstrap") {
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output["Events.0_BOOTSTRAP"] = {
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value: [parseDate(tree as Date), "xsd:dateTime"],
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valueTimestamp: timestamp,
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writable: false,
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writableTimestamp: timestamp,
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object: false,
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objectTimestamp: timestamp,
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};
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} else if (name === "_id") {
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output["DeviceID.ID"] = {
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value: [tree, "xsd:string"],
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valueTimestamp: timestamp,
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writable: false,
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writableTimestamp: timestamp,
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object: false,
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objectTimestamp: timestamp,
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};
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} else if (name === "_deviceId") {
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output["DeviceID.Manufacturer"] = {
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value: [tree["_Manufacturer"], "xsd:string"],
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valueTimestamp: timestamp,
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writable: false,
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writableTimestamp: timestamp,
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object: false,
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objectTimestamp: timestamp,
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};
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output["DeviceID.OUI"] = {
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value: [tree["_OUI"], "xsd:string"],
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valueTimestamp: timestamp,
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writable: false,
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writableTimestamp: timestamp,
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object: false,
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objectTimestamp: timestamp,
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};
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output["DeviceID.ProductClass"] = {
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value: [tree["_ProductClass"], "xsd:string"],
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valueTimestamp: timestamp,
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writable: false,
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writableTimestamp: timestamp,
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object: false,
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objectTimestamp: timestamp,
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};
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output["DeviceID.SerialNumber"] = {
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value: [tree["_SerialNumber"], "xsd:string"],
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valueTimestamp: timestamp,
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writable: false,
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writableTimestamp: timestamp,
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object: false,
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objectTimestamp: timestamp,
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};
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} else if (name === "_tags") {
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output["Tags"] = {
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writable: false,
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writableTimestamp: timestamp,
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object: true,
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objectTimestamp: timestamp,
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};
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for (const t of tree as string[]) {
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output[`Tags.${t}`] = {
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value: [true, "xsd:boolean"],
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valueTimestamp: timestamp,
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writable: true,
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writableTimestamp: timestamp,
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object: false,
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objectTimestamp: timestamp,
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};
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}
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}
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}
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if (name.startsWith("_")) continue;
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let childrenTimestamp = timestamp;
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if (!root) childrenTimestamp = +(input["_timestamp"] || 1);
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else if (+input["_timestamp"] > timestamp)
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childrenTimestamp = +input["_timestamp"];
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const attrs = {};
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if (tree["_value"] != null) {
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attrs["value"] = [
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tree["_value"] instanceof Date ? +tree["_value"] : tree["_value"],
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tree["_type"],
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];
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attrs["valueTimestamp"] = +(tree["_timestamp"] || childrenTimestamp);
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attrs["object"] = false;
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attrs["objectTimestamp"] = childrenTimestamp;
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} else if (tree["_object"] != null) {
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attrs["object"] = tree["_object"];
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attrs["objectTimestamp"] = childrenTimestamp;
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}
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if (tree["_writable"] != null) {
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attrs["writable"] = tree["_writable"];
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attrs["writableTimestamp"] = childrenTimestamp;
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}
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const r = root ? `${root}.${name}` : name;
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output[r] = attrs;
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if (attrs["object"] || tree["object"] == null)
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recursive(tree, r, output, childrenTimestamp);
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}
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}
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const newDevice = {};
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const timestamp = new Date((device["_lastInform"] as Date) || 1).getTime();
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recursive(device, "", newDevice, timestamp);
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return newDevice;
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}
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export function flattenFault(fault: unknown): Fault {
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const f = Object.assign({}, fault) as Fault;
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if (f.timestamp) f.timestamp = +f.timestamp;
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if (f["expiry"]) f["expiry"] = +f["expiry"];
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return f as Fault;
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}
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export function flattenTask(task: unknown): Task {
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const t = Object.assign({}, task) as Task;
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t._id = "" + t._id;
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if (t["timestamp"]) t["timestamp"] = +t["timestamp"];
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if (t.expiry) t.expiry = +t.expiry;
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return t;
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}
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export function mongoQueryToFilter(query: Record<string, unknown>): Expression {
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function recursive(_query): Expression {
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const expressions: Expression[] = [];
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for (const [k, v] of Object.entries(_query)) {
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if (k[0] === "$") {
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if (k === "$and") {
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const and: Expression = ["AND"];
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for (const vv of Object.values(v)) and.push(recursive(vv));
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expressions.push(and);
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} else if (k === "$or") {
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const or: Expression = ["OR"];
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for (const vv of Object.values(v)) or.push(recursive(vv));
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expressions.push(or);
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} else {
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throw new Error(`Operator ${k} not supported`);
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}
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} else if (k === "_tags") {
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if (typeof v === "object") {
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if (isArray(v)) throw new Error(`Invalid type`);
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if (v.hasOwnProperty("$ne"))
|
|
expressions.push(["IS NULL", ["PARAM", `Tags.${v["$ne"]}`]]);
|
|
else if (v.hasOwnProperty("$eq"))
|
|
expressions.push(["IS NOT NULL", ["PARAM", `Tags.${v["$eq"]}`]]);
|
|
else throw new Error(`Invalid tag query`);
|
|
} else {
|
|
expressions.push(["IS NOT NULL", ["PARAM", `Tags.${v}`]]);
|
|
}
|
|
} else if (k.startsWith("Tags.")) {
|
|
let exists: boolean;
|
|
if (typeof v === "boolean") exists = v;
|
|
else if (v.hasOwnProperty("$eq")) exists = !!v["$eq"];
|
|
else if (v.hasOwnProperty("$ne")) exists = !v["$ne"];
|
|
else if (v.hasOwnProperty("$exists")) exists = !!v["$exists"];
|
|
else throw new Error(`Invalid tag query`);
|
|
|
|
expressions.push([exists ? "IS NOT NULL" : "IS NULL", ["PARAM", k]]);
|
|
} else if (typeof v === "object") {
|
|
if (isArray(v)) throw new Error(`Invalid type`);
|
|
|
|
const exps: Expression[] = [];
|
|
for (const [kk, vv] of Object.entries(v)) {
|
|
let op;
|
|
switch (kk) {
|
|
case "$eq":
|
|
op = "=";
|
|
break;
|
|
case "$ne":
|
|
op = "<>";
|
|
break;
|
|
case "$lt":
|
|
op = "<";
|
|
break;
|
|
case "$lte":
|
|
op = "<=";
|
|
break;
|
|
case "$gt":
|
|
op = ">";
|
|
break;
|
|
case "$gte":
|
|
op = ">=";
|
|
break;
|
|
default:
|
|
throw new Error(`Operator ${kk} not supported`);
|
|
}
|
|
exps.push([op, ["PARAM", k], vv]);
|
|
}
|
|
if (exps.length === 1) {
|
|
expressions.push(exps[0]);
|
|
} else {
|
|
const and: Expression = ["AND"];
|
|
expressions.push(and.concat(exps));
|
|
}
|
|
} else {
|
|
expressions.push(["=", ["PARAM", k], v]);
|
|
}
|
|
}
|
|
if (expressions.length === 1) return expressions[0];
|
|
const and: Expression = ["AND"];
|
|
return and.concat(expressions);
|
|
}
|
|
|
|
// empty filter
|
|
if (!Object.keys(query).length) return true;
|
|
|
|
return recursive(query);
|
|
}
|
|
|
|
export function flattenPreset(
|
|
preset: Record<string, unknown>
|
|
): Record<string, unknown> {
|
|
const p = Object.assign({}, preset);
|
|
if (p.precondition) {
|
|
try {
|
|
// Try parse to check expression validity
|
|
parse(p.precondition as string);
|
|
} catch (error) {
|
|
p.precondition = mongoQueryToFilter(JSON.parse(p.precondition as string));
|
|
p.precondition = (p.precondition as string).length
|
|
? stringify(p.precondition as Expression)
|
|
: "";
|
|
}
|
|
}
|
|
|
|
if (p.events) {
|
|
const e = [];
|
|
for (const [k, v] of Object.entries(p.events)) e.push(v ? k : `-${k}`);
|
|
p.events = e.join(", ");
|
|
}
|
|
|
|
const provision = p.configurations[0];
|
|
if (
|
|
(p.configurations as any[]).length === 1 &&
|
|
provision.type === "provision" &&
|
|
provision.name &&
|
|
provision.name.length
|
|
) {
|
|
p.provision = provision.name;
|
|
p.provisionArgs = provision.args
|
|
? provision.args.map((a) => stringify(a)).join(", ")
|
|
: "";
|
|
}
|
|
|
|
delete p.configurations;
|
|
return p;
|
|
}
|
|
|
|
export function flattenFile(
|
|
file: Record<string, unknown>
|
|
): Record<string, unknown> {
|
|
const f = {};
|
|
f["_id"] = file["_id"];
|
|
if (file.metadata) {
|
|
f["metadata.fileType"] = file["metadata"]["fileType"] || "";
|
|
f["metadata.oui"] = file["metadata"]["oui"] || "";
|
|
f["metadata.productClass"] = file["metadata"]["productClass"] || "";
|
|
f["metadata.version"] = file["metadata"]["version"] || "";
|
|
}
|
|
return f;
|
|
}
|
|
|
|
export function preProcessPreset(
|
|
data: Record<string, unknown>
|
|
): Record<string, unknown> {
|
|
const preset = Object.assign({}, data);
|
|
|
|
if (!preset.precondition) preset.precondition = "";
|
|
// Try parse to check expression validity
|
|
parse(preset.precondition as string);
|
|
|
|
preset.weight = parseInt(preset.weight as string) || 0;
|
|
|
|
const events = {};
|
|
if (preset.events) {
|
|
for (let e of (preset.events as string).split(",")) {
|
|
let v = true;
|
|
e = e.trim();
|
|
if (e.startsWith("-")) {
|
|
v = false;
|
|
e = e.slice(1).trim();
|
|
}
|
|
if (e) events[e] = v;
|
|
}
|
|
}
|
|
|
|
preset.events = events;
|
|
|
|
if (!preset.provision) throw new Error("Invalid preset provision");
|
|
|
|
const configuration = {
|
|
type: "provision",
|
|
name: preset.provision,
|
|
args: null,
|
|
};
|
|
|
|
if (preset.provisionArgs)
|
|
configuration.args = parseList(preset.provisionArgs as string);
|
|
|
|
delete preset.provision;
|
|
delete preset.provisionArgs;
|
|
preset.configurations = [configuration];
|
|
return preset;
|
|
}
|