javascript – How to develop a functional flat list to respond to native support crud operations

I am developing an administration application for woocommerce and I am new to react natively and use react-navigation and expo.

How to update a view composed of a flat list of product list data retrieved from the network whenever there is a change in the product data by changing the product screen by the Rest app. Any help would be appreciated.

So here is the summary of my code structure so far.

Main Navigator (App.js)
- Tab Navigator -> Product Stack Navigator, Order Stack Navigator
- - Product Stack Navigator -> Product List Screen, Single Product Screen, Edit Product Screen
- -  Order Stack Navigator -> Order List Screen, Order Details Screen

Here is my product list screen

import React, { Component } from 'react';
import { StyleSheet, Text, View, FlatList, Image, ActivityIndicator, TouchableOpacity } from 'react-native';
import * as SecureStore from 'expo-secure-store';

export default class ProductsList extends Component {

    static navigationOptions = {
        headerTitle: 'Products',
        headerStyle: {
            backgroundColor: '#96588a',
        },
        headerTintColor: '#fff',
        headerTitleStyle: {
            fontWeight: 'bold',
        },
    };

    constructor(props) {
        super(props);
        this.state = {
            loading: false,
            data: (),
            page: 1,
            seed: 1,
            error: null,
            refreshing: false,
            base_url: null,
            c_key: null,
            c_secret: null,
        };
    }

    async componentDidMount() {
        await this.getCredentials();
        this.fetchProductList();
    }

    getCredentials = async () => {
        const credentials = await SecureStore.getItemAsync('credentials');
        const credentialsJson = JSON.parse(credentials)
        this.setState({
            base_url: credentialsJson.base_url,
            c_key: credentialsJson.c_key,
            c_secret: credentialsJson.c_secret,
        })
    }

    fetchProductList = () => {
        const { base_url, c_key, c_secret, page } = this.state;
        const url = `${base_url}/wp-json/wc/v3/products?per_page=20&page=${page}&consumer_key=${c_key}&consumer_secret=${c_secret}`;
        this.setState({ loading: true });
        console.log(url);
        setTimeout(() => {
            fetch(url).then((response) => response.json())
                .then((responseJson) => {
                    this.setState({
                        data: (...this.state.data, ...responseJson),
                        error: responseJson.error || null,
                        loading: false,
                        refreshing: false
                    });
                    this.state.data.forEach(item => console.log(`${item.sku}: ${item.stock_quantity}`))
                    console.log('end')
                }).catch((error) => {
                    this.setState({
                        error,
                        loading: false,
                        refreshing: false
                    })
                });
        }, 1500);
    };

    renderListSeparator = () => {
        return (
            
        )
    }

    renderListFooter = () => {
        if (!this.state.loading) return null;

        return (
            
                
            
        )
    }

    handleRefresh = () => {
        this.setState(
            {
                page: 1,
                refreshing: true,
                seed: this.state.seed + 1,
            },
            () => {
                this.fetchProductList();
            }
        )
    }

    handleLoadMore = () => {
        this.setState(
            {
                page: this.state.page + 1,
            },
            () => {
                this.fetchProductList();
            }
        )
    }

    render() {
        return (
             item.id.toString()}
                refreshing={this.state.refreshing}
                extraData={this.state}
                onRefresh={this.handleRefresh}
                onEndReached={this.handleLoadMore}
                onEndReachedThreshold={100}
                ItemSeparatorComponent={this.renderListSeparator}
                ListFooterComponent={this.renderListFooter}
                renderItem={({ item }) =>
                     {
                        this.props.navigation.navigate('SingleProduct', {
                            productId: item.id,
                            productName: item.name,
                            productData: item,
                            base_url: this.state.base_url,
                            c_key: this.state.c_key,
                            c_secret: this.state.c_secret
                        });
                    }}>
                        
                            
                                 { this.props.source = require('../../../assets/images/blank_product.png') }}
                                    style={{ height: 115, width: 115 }} resizeMode='contain' />
                            
                            
                                
                                    {item.name}
                                    SKU: {item.sku}
                                    Price: {item.price}
                                    Stock Status:  {item.stock_status}
                                    Stock: {item.stock_quantity}
                                    Status: {item.status}
                                
                            
                        
                    
                }
            />
        );
    }
}

const styles = StyleSheet.create({
    titleText: {
        fontSize: 20,
        fontWeight: 'bold',
    }
});

Here is my product detail screen:

import React, { Component } from 'react';
import { StyleSheet, Text, View, TouchableOpacity, Image, ScrollView, ActivityIndicator } from 'react-native';
import { Ionicons } from '@expo/vector-icons';
export default class SingleProduct extends Component {
    constructor(props) {
        super(props);
        this.state = { loading: false };
        productData = this.props.navigation.getParam('productData');
        base_url = this.props.navigation.getParam('base_url');
        c_key = this.props.navigation.getParam('c_key');
        c_secret = this.props.navigation.getParam('c_secret');
    }

    static navigationOptions = ({ navigation }) => {
        return {
            title: navigation.getParam('productName', 'Product'),
            headerStyle: {
                backgroundColor: '#96588a',
            },
            headerTintColor: '#fff',
            headerTitleStyle: {
                fontWeight: 'bold',
            },
        };
    };

   render() {
        if (this.state.loading) {
            return (
                
                    
                
            )
        }

        return (
            
                
                    
                        {this.getProductImages()}
                    
                    
                        {productData.name}
                        Sku: {productData.sku}
                        Slug: {productData.slug}
                        Total Ordered: {productData.total_sales}
                    
                
                 {
                        this.props.navigation.navigate('EditProduct', {
                            productId: productData.id,
                            productName: productData.name,
                            productData: productData,
                            base_url: base_url,
                            c_key: c_key,
                            c_secret: c_secret
                        });
                    }}
                >
                    
                
            
        );
    }
}

const styles = StyleSheet.create({
    section: {
        marginTop: 15,
        marginLeft: 15,
        marginRight: 15
    },
    titleText: {
        fontSize: 20,
        fontWeight: 'bold',
    },
});

Here is my EditProduct:

import React, { Component } from 'react';
import { StyleSheet, Text, View, Switch, KeyboardAvoidingView, TouchableOpacity, Image, ScrollView, ActivityIndicator, TextInput, Picker, Button } from 'react-native';
import DateTimePicker from '@react-native-community/datetimepicker';

export default class EditProduct extends Component {
    constructor(props) {
        super(props);
        productData = this.props.navigation.getParam('productData');
        base_url = this.props.navigation.getParam('base_url');
        c_key = this.props.navigation.getParam('c_key');
        c_secret = this.props.navigation.getParam('c_secret');
        this.state = {
            loading: false,
            error: null,
            name: productData.name,
            sku: productData.sku,
            regularPrice: productData.regular_price,
            salePrice: productData.sale_price,
            dateOnSaleFrom: productData.date_on_sale_from,
            showDateOnSaleFrom: false,
            dateOnSaleTo: productData.date_on_sale_to,
            showDateOnSaleTo: false,
            manageStock: productData.manage_stock,
            stockStatus: productData.stock_status,
            stockQuantity: productData.stock_quantity,
            weight: productData.weight,
            length: productData.dimensions.length,
            width: productData.dimensions.width,
            height: productData.dimensions.height,
            productType: productData.type,
            virtual: productData.virtual,
            downloadable: productData.downloadable,
        };
    }

    static navigationOptions = ({ navigation }) => {
        return {
            title: 'Edit Product',
            headerStyle: {
                backgroundColor: '#96588a',
            },
            headerTintColor: '#fff',
            headerTitleStyle: {
                fontWeight: 'bold',
            },
        };
    };

    render() {
        if (this.state.loading) {
            return (
                
                    
                
            )
        }

        return (
            
                
                    
                        Product Name
                        
                    
                    
                        Pricing
                        
                            
                                Regular Price: 
                            
                            
                                
                            
                        
                        
                            
                                Sale Price: 
                            
                            
                                
                            
                        
                        
                            
                                Sale Date From: 
                            
                            
                                
                                    {this.state.dateOnSaleFrom ? new Date(this.state.dateOnSaleFrom).toDateString() : 'Select Date'}
                                
                                {this.state.showDateOnSaleFrom && }
                            
                        
                        
                            
                                Sale Date To: 
                            
                            
                                
                                    {this.state.dateOnSaleTo ? new Date(this.state.dateOnSaleTo).toDateString() : 'Select Date'}
                                
                                {this.state.showDateOnSaleTo && }
                            
                        
                    
                    
                        Inventory
                        
                            
                                Manage Stock: 
                            
                            
                                
                            
                        
                        
                            
                                Stock Status: 
                            
                            
                                
                                    
                                    
                                    
                                
                            
                        
                        
                            
                                Stock Quantity: 
                            
                            
                                
                            
                        
                    
                    
                        Shipping
                        
                            
                                Weight: 
                            
                            
                                
                            
                        
                        
                            
                                Length: 
                            
                            
                                
                            
                        
                        
                            
                                Width: 
                            
                            
                                
                            
                        
                        
                            
                                Height: 
                            
                            
                                
                            
                        
                    
                    
                        Type
                        
                            
                                Product Type: 
                            
                            
                                
                                    
                                    
                                    
                                    
                                
                            
                        
                        
                            
                                Virtual: 
                            
                            
                                
                            
                        
                        
                            
                                Downloadable: 
                            
                            
                                
                            
                        
                    
                
                

Hetzner did not respond | Web Talk Hosting

Quote Originally posted by hetzner_OL
See the article
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You have to answer me

My information is very important

I have sent an email and contacted more than 45 times but I have not responded
Info@hetzner.com
Support@hetzner.com
This is an obvious scam from the Hatzner site
t

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	Doug Cannon's Biography
	
	
	



	

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Is impeachment a coup or an American act essential to respond to the threat of dictatorship?

It is neither one nor the other. But, Pelosi and Nadler use it as a political weapon. "I am not for removal without bipartisan support. It is such a source of division for the country that it must have bipartisan support" … It must be a bipartisan initiative. "- Pelosi

yes, right liar.

and Nadler …

"If you are really serious about removing a president from office for serious crimes and misdemeanors, you shouldn't do it unless you get at least a sizable fraction of the people who voted for him, on the other hand, to accept, reluctantly perhaps, to agree that "yes, you had to do it" because otherwise you will have 20 years of complaints. we won the election, you stole it from us. you don't want to divide the country that way. "- Nadler

yes hypocrite right.