import proj4 from 'proj4';
const initialState = [];
/**
* Reducer for the field measurements
* @param {} state=initialState
* @param {} action
*/
export const measurements = (state = initialState, action) => {
switch(action.type) {
case 'LOAD_MEASUREMENTS_SUCCESS':
const wgs84 = "+proj=longlat +ellps=WGS84 +datum=WGS84 +no_defs ";
action.measurements.map(measured => {
let utm;
if(measured.utm_merid === 'UTM 34N') {
utm = "+proj=utm +zone=34 +ellps=GRS80 +units=m +no_defs ";
} else {
utm = "+proj=utm +zone=33 +ellps=GRS80 +units=m +no_defs ";
}
const coordinates = proj4(utm,wgs84,[parseFloat(measured.utm_east), parseFloat(measured.utm_north)]);
measured.coordinates = [coordinates[1], coordinates[0]];
return measured;
})
return action.measurements;
default:
return state;
}
}