GLOBALSAT - Ls 111P

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/* This code finds the variable 'everynet_payload' sent by Everynet Middleware inside the payload posted by the device. ** Then convert all fields to TagoIO format. ** ** The ignore_vars variable in this code should be used to ignore variables ** from the device that you don't want. */ // Add ignorable variables in this array. const ignore_vars = ['device_addr', 'port', 'duplicate', 'network', 'packet_hash', 'application', 'device', 'packet_id']; // Function to convert an object to TagoIO data format. function toTagoFormat(object_item, serie, prefix = '') { const result = []; for (const key in object_item) { if (ignore_vars.includes(key)) continue; // ignore chosen vars if (typeof object_item[key] == 'object') { result.push({ variable: object_item[key].variable || `${prefix}${key}`, value: object_item[key].value, serie: object_item[key].serie || serie, metadata: object_item[key].metadata, location: object_item[key].location, }); } else { result.push({ variable: `${prefix}${key}`, value: object_item[key], serie, }); } } return result; } function TransformSolutionParam(solutions, serie) { let to_tago = []; for (const s of solutions) { let convert_json = {}; if (!ignore_vars.includes('location')) { convert_json.location = { value: `${s.lat}, ${s.lng}`, location: { lat: s.lat, lng: s.lng } }; } delete s.lat; delete s.lng; convert_json = { ...convert_json, ...s }; to_tago = to_tago.concat(toTagoFormat(convert_json, serie)); } return to_tago; } // Find the Everynet payload. So we don't try to parse random variables. let body = payload.find(item => item.variable === 'everynet_payload'); if (body) { // Copy the same serie created by Everynet middleware, or create a new one based on timestamp. const serie = body.serie || new Date().getTime(); // The data is string formated, so we convert it to JSON. body = JSON.parse(body.value); let vars_to_tago = []; if (body.params.solutions) { vars_to_tago = vars_to_tago.concat(TransformSolutionParam(body.params.solutions)); delete body.params.solutions; } // Parse the fields. Go to toTagoFormat function if you need to change something. vars_to_tago = vars_to_tago.concat(toTagoFormat(body.params, serie)); vars_to_tago = vars_to_tago.concat(toTagoFormat(body.meta, serie)); // Here's an example of how to add color to a location pin. You can replicate the following code to do other changes // Ex: // const location_var = vars_to_tago.find(x => x.variable == 'location'); // if (location_var) { location_var.metadata = { color: 'lightgreen' }; } // Change the payload to the new formated variables. payload = vars_to_tago; }