Files
openhab-importer/src/importer/index.ts

49 lines
1.4 KiB
TypeScript

import { Config, ImportOptions, Thing } from "@types";
import { adapters } from "../adapters";
import { DummyOpenHAB, OpenHAB } from "../openhab";
const createFilter = (filter?: string) => {
if(!filter) {
return (_: Thing) => true;
}
return new Function("$", `const v = ${filter}; if(typeof v !== 'boolean') throw new Error("Filter should be of boolean type"); return v;`) as ((_: Thing) => true);
};
export const importThings = async (config: Config, options: ImportOptions) => {
const OH = options.dryRun ? DummyOpenHAB : OpenHAB;
const openhab = new OH(config.openHAB);
const sources = options.sources ?? Object.keys(config.sources);
const things = (await Promise.all(sources.map(source => {
const { type, config: cfg } = config.sources[source];
const constructor = adapters[type as keyof (typeof adapters)];
if (!constructor) {
throw new Error(`Unknown source type '${type}'`);
}
return new constructor(source, cfg).loadThings();
}))).flat();
const existingThings = await openhab.getThings();
const existingThingsUIDs = existingThings.map(t => t.UID);
const filter = createFilter(options.where);
const thingsToImport = things
.filter(t => !existingThingsUIDs.includes(t.UID))
.filter(filter);
if (options.force) {
await openhab.deleteThings(...thingsToImport.map(t => t.UID));
}
await openhab.createThings(...thingsToImport);
return thingsToImport;
}