11.16 Passing Route Parameters

Blog.js

Blog.js

// import axios from "axios";
import React, { Component } from "react";
import { NavLink, Route } from "react-router-dom";
import "./Blog.css";
import FullPost from "./FullPost/FullPost";
import NewPost from "./NewPost/NewPost";
import Posts from "./Posts/Posts";

class Blog extends Component {
  render() {
    return (
      <div className="Blog">
        <header>
          <nav>
            <ul>
              <li>
                <NavLink
                  to="/"
                  exact
                  activeClassName="my-active"
                  activeStyle={{
                    color: "#fa923f",
                    textDecoration: "underline",
                  }}
                >
                  Home
                </NavLink>
              </li>
              <li>
                <NavLink
                  to={{
                    pathname: "/new-post",
                    hash: "#submit",
                    search: "?quick-submit=true",
                  }}
                >
                  New Post
                </NavLink>
              </li>
            </ul>
          </nav>
        </header>
        {/* <Route path="/" exact render={() => <h1>Home</h1>} />
        <Route path="/" render={() => <h1>Home2</h1>} /> */}
        <Route path="/" exact component={Posts} />
        <Route path="/new-post" component={NewPost} />
        <Route path="/:id" exact component={FullPost} />
      </div>
    );
  }
}

export default Blog;

Posts.js

Posts.js

import React, { Component } from "react";
import { Link } from "react-router-dom";
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 (
          <Link to={"/" + post.id} key={post.id}>
            <Post
              title={post.title}
              author={post.author}
              clicked={() => this.postSelectedHandler(post.id)}
            />
          </Link>
        );
      });
    }
    return <section className="Posts">{posts}</section>;
  }
}
export default Posts;