ldc-com-app/ComApp/src/App/Controllers/InstallController.js

import { Alert } from "react-native";
// Lodash
import _ from 'lodash';
// Http Client
import axios from 'axios';
// Network Infos
import NetInfo from "@react-native-community/netinfo";
// Translations
import i18n from "../../I18n";
// Database
import { Setting } from "../../Database";
// FileSytem
import * as FileSystem from 'expo-file-system';

const api_token = 'toto';

class InstallController {

    getConfig(url) {
        NetInfo.fetch().then(state => {
            if (state.isConnected) {
                axios({
                    method: 'GET',
                    url: url + '/api/settings',
                    responseType: 'json',
                    params: {
                        token: api_token
                    },
                })
                    .then(function (response) {
                        if (response.data) {
                            if (response.data.status === "OK") {
                                _.forEach(response.data.datas, function (value, key) {
                                    switch (key) {
                                        case "MainColor":
                                            Setting.add({ key: key, value: value });
                                            break;
                                        case "SquaredLogo":
                                        case "RectangleLogo":
                                        case "BackgroundImage":
                                        case "HomeButtonImage":
                                            FileSystem.downloadAsync(
                                                url + "/" + value,
                                                FileSystem.documentDirectory + key + '.png'
                                            )
                                                .then(({ uri }) => {
                                                    console.log('Finished downloading to ', uri);
                                                })
                                                .catch(error => {
                                                    Alert.alert(i18n.t("alert.error"), i18n.t("install.resource_dl_error") + key);
                                                    console.error(error);
                                                });
                                            break;
                                    }
                                });
                                Alert.alert(i18n.t("alert.info"), i18n.t("install.install_complete"));
                            } else {
                                Alert.alert(i18n.t("alert.error"), i18n.t("alert.error_has_occurred"));
                            }
                        }
                    })
                    .catch(function (error) {
                        console.log(error)
                        Alert.alert(i18n.t("alert.error"), i18n.t("alert.error_has_occurred"));
                    })
            } else {
                Alert.alert(i18n.t("alert.error"), i18n.t("error.tablet_not_connected_internet"));
            }
        });
    }

}

export default new InstallController();