threejs-viewer-33

class SensorManager {

    // ... Other code snippets

    async fetch(url) {
        const resp = await fetch(url);
        if (!resp.ok) {
            throw new Error(await resp.text());
        }
        const json = await resp.json();
        return json;
    }

    async post(url, data) {
        const resp = await fetch(url, {
            method: 'post',
            body: data,
            headers: new Headers({ 'Content-Type': 'application/json' })
        });
        if (!resp.ok) {
            throw new Error(await resp.text());
        }
        const json = await resp.json();
        return json;
    }

    async delete(url) {
        const resp = await fetch(url, {
            method: 'delete'
        });

        if (!resp.ok) {
            throw new Error(await resp.text());
        }
    }

    //!>>>>>>>>>>> Find and replace original functions -- Start
    async addSensorAsync(objectId) {
        const code = this.guid();
        const data = {
            objectId, code,
            name: `sensor-${code}`,
            description: 'A temperature sensor'
        };

        //fetch POST sensors
        const json = await this.post('/iot/sensors', JSON.stringify(data));
        this.drawSensorMarkup(json);
    }

    async removeSensorAsync(objectId) {
        //fetch DELETE sensors
        const json = await this.fetch(`/iot/sensors?objectId=${objectId}`);
        if (json.length <= 0) throw `Sensor with objectId=${objectId} not found`;

        this.delete(`/iot/sensors/${json[0].id}`) ;

        this.removeSensorMarkup(objectId);
    }

    async showAllMarkups() {
        this.clearAllMarkups();
        //fetch GET sensors
        const sensors = await this.fetch('/iot/sensors');
        for (let sensor of sensors) {
            this.drawSensorMarkup(sensor);
        }
    }
    //!<<<<<<<<<<< Find and replace original functions -- End

    // ... Other code snippets
}