外部データ読み込みテスト

gistfile1.txt

require 'sinatra'
require 'sinatra/reloader' if development?
require 'haml'

before do
  response.headers['Access-Control-Allow-Origin'] = 'https://irboard.itosoft.com'
end

get '/' do
  haml :index
end

get '/popup_content' do
  content_type 'text/html'
  send_file File.join(settings.public_folder, 'popup_content.html')
end

get '/json_popup_content' do
  content_type :json

  data = {
    message: 'Hello, World!',
    body: File.read(File.join(settings.public_folder, 'popup_content.html')),
    status: 'success'
  }

  data.to_json
end

index.haml

!!!
/ views/index.haml
%html
  %head
    %meta{:content => "text/html; charset=UTF-8", "http-equiv" => "Content-Type"}/
    %meta{:charset => "utf-8"}/
    %title Leaflet Map
    %link{:href => "https://unpkg.com/[email protected]/dist/leaflet.css", :rel => "stylesheet"}/
    :css
      #map {
        height: 600px;
        width: 100%;
      }
  %body
    %h1 Leaflet Map with Sinatra
    #map
    #result
    
    %script{:src => "https://unpkg.com/[email protected]/dist/leaflet.js"}

:javascript
  var map = L.map('map').setView([51.505, -0.09], 13);

  L.tileLayer('https://{s}.tile.openstreetmap.org/{z}/{x}/{y}.png', {
    attribution: '© OpenStreetMap contributors'
  }).addTo(map);

  var marker = L.marker([51.5, -0.09]).addTo(map);
  
  // AJAXリクエストで外部HTMLを取得してポップアップに表示する
  /*
  fetch('/popup_content')
    .then(response => response.text())
    .then(data => {
      marker.bindPopup(data).openPopup();
    })
    .catch(error => console.error('Error loading popup content:', error));
  */
  //fetch('http://127.0.0.1:8080/json_popup_content')
  fetch('/json_popup_content')
  .then(response => {
    if (!response.ok) {
      throw new Error('Network response was not ok ' + response.statusText);
    }
    return response.json();
  })
  .then(data => {
    marker.bindPopup(data.body).openPopup();
  })
  .catch(error => {
    document.getElementById('result').innerHTML = '<p>An error occurred: ' + error.message + '</p>';
  });