11.11 Using Routing Related Props

NewPost.js

NewPost.js

import axios from "axios";
import React, { Component } from "react";
import "./NewPost.css";

class NewPost extends Component {
  state = {
    title: "",
    content: "",
    author: "Pash",
  };
  componentDidMount() {
    console.log(this.props);
  }
  postDataHandler = () => {
    const post = {
      title: this.state.title,
      body: this.state.content,
      author: this.state.author,
    };
    axios.post("/posts", post).then((response) => {
      console.log(response);
    });
  };

  render() {
    return (
      <div className="NewPost">
        <h1>Add a Post</h1>
        <label>Title</label>
        <input
          type="text"
          value={this.state.title}
          onChange={(event) => this.setState({ title: event.target.value })}
        />
        <label>Content</label>
        <textarea
          rows="4"
          value={this.state.content}
          onChange={(event) => this.setState({ content: event.target.value })}
        />
        <label>Author</label>
        <select
          value={this.state.author}
          onChange={(event) => this.setState({ author: event.target.value })}
        >
          <option value="Pash">Pash</option>
          <option value="Mash">Mash</option>
          <option value="Chel">Chel</option>
        </select>
        <button onClick={this.postDataHandler}>Add Post</button>
      </div>
    );
  }
}

export default NewPost;

Posts.js

Posts.js

import React, { Component } from "react";
import axios from "../../../axios";
import Post from "../../../components/Post/Post";
import "./Posts.css";

class Posts extends Component {
  state = {
    posts: [],
  };

  componentDidMount() {
    console.log(this.props);
    axios
      .get("/posts")
      .then((response) => {
        const posts = response.data.slice(0, 4);
        const updatedPosts = posts.map((post) => {
          return {
            ...post,
            author: "Pash",
          };
        });
        this.setState({ posts: updatedPosts });
        //   console.log(response);
      })
      .catch((error) => {
        console.log(error);
        // this.setState({ error: true });
      });
  }

  postSelectedHandler = (id) => {
    this.setState({ selectedPostId: id });
  };
  render() {
    let posts = <p style={{ textAlign: "center" }}>Something went wrong!</p>;
    if (!this.state.error) {
      posts = this.state.posts.map((post) => {
        return (
          <Post
            key={post.id}
            title={post.title}
            author={post.author}
            clicked={() => this.postSelectedHandler(post.id)}
          />
        );
      });
    }
    return <section className="Posts">{posts}</section>;
  }
}
export default Posts;