From 895780970f546c1972b1319922faed47f37ffe12 Mon Sep 17 00:00:00 2001
From: Aaron Parecki <aaron@parecki.com>
Date: Tue, 27 Sep 2022 00:33:07 +0000
Subject: [PATCH] add a page to convert a tweet to a micropub post

---
 controllers/controllers.php | 113 ++++++++++++++++++++++++++++++++++++
 views/twitter.php           |  83 ++++++++++++++++++++++++++
 2 files changed, 196 insertions(+)
 create mode 100644 views/twitter.php

diff --git a/controllers/controllers.php b/controllers/controllers.php
index c306aac..bcfe2d0 100644
--- a/controllers/controllers.php
+++ b/controllers/controllers.php
@@ -234,6 +234,24 @@ $app->get('/review', function() use($app) {
   }
 });
 
+
+$app->get('/twitter', function() use($app) {
+  if($user=require_login($app)) {
+    $params = $app->request()->params();
+    
+    $tweet_url = '';
+    
+    if(array_key_exists('tweet_url', $params))
+      $tweet_url = $params['tweet_url'];
+    
+    render('twitter', array(
+      'title' => 'Import Tweet',
+      'tweet_url' => $tweet_url,
+      'authorizing' => false
+    ));
+  }
+});
+
 $app->get('/repost', function() use($app) {
   if($user=require_login($app)) {
     $params = $app->request()->params();
@@ -422,6 +440,101 @@ $app->get('/settings/html-content', function() use($app) {
   }
 });
 
+$app->post('/twitter/preview', function() use($app) {
+  if($user=require_login($app)) {
+    $params = $app->request()->params();
+    
+    if($user->twitter_access_token) {
+      $xray_opts['twitter_api_key'] = Config::$twitterClientID;
+      $xray_opts['twitter_api_secret'] = Config::$twitterClientSecret;
+      $xray_opts['twitter_access_token'] = $user->twitter_access_token;
+      $xray_opts['twitter_access_token_secret'] = $user->twitter_token_secret;
+    }
+    
+    $tweet_url = $params['tweet_url'];
+    
+    // Pass to X-Ray to download all the twitter data in a useful format
+    $xray = new p3k\XRay();
+    $xray->http = new p3k\HTTP('Quill ('.Config::$base_url.')');
+    $data = $xray->parse($tweet_url, $xray_opts);
+    
+    $postdata = tweet_to_micropub_request($data['data']);
+    
+    $response = [
+      'json' => json_encode($postdata, JSON_PRETTY_PRINT+JSON_UNESCAPED_SLASHES)
+    ];
+    
+    $app->response()['Content-type'] = 'application/json';
+    $app->response()->body(json_encode($response));
+  }
+});
+
+$app->post('/twitter', function() use($app) {
+  if($user=require_login($app)) {
+    $params = $app->request()->params();
+
+    if($user->twitter_access_token) {
+      $xray_opts['twitter_api_key'] = Config::$twitterClientID;
+      $xray_opts['twitter_api_secret'] = Config::$twitterClientSecret;
+      $xray_opts['twitter_access_token'] = $user->twitter_access_token;
+      $xray_opts['twitter_access_token_secret'] = $user->twitter_token_secret;
+    }
+    
+    $tweet_url = $params['tweet_url'];
+    
+    // Pass to X-Ray to download all the twitter data in a useful format
+    $xray = new p3k\XRay();
+    $xray->http = new p3k\HTTP('Quill ('.Config::$base_url.')');
+    $data = $xray->parse($tweet_url, $xray_opts);
+    
+    $location = null;
+    
+    if(isset($data['data']) && $data['data']['type'] == 'entry') {
+      $tweet = $data['data'];
+      
+      $postdata = tweet_to_micropub_request($tweet);
+
+      $r = micropub_post_for_user($user, $postdata, null, true);
+
+      $app->response()['Content-type'] = 'application/json';
+      $app->response()->body(json_encode([
+        'location' => (isset($r['location']) && $r['location'] ? Mf2\resolveUrl($user->micropub_endpoint, $r['location']) : null),
+        'error' => $r['error'],
+        'response' => $r['response']
+      ]));
+    } else {
+      $app->response()['Content-type'] = 'application/json';
+
+      $app->response()->body(json_encode([
+        'location' => null,
+        'error' => 'Error fetching tweet',
+      ]));
+    }
+  }
+});
+
+function tweet_to_micropub_request($tweet) {
+  // Convert to a micropub post
+  $postdata = [
+    'type' => ['h-entry'],
+    'properties' => [
+      'content' => [$tweet['content']['text']],
+      'published' => [$tweet['published']],
+      'syndication' => [$tweet['url']],
+    ]
+  ];
+  if(isset($tweet['in-reply-to']))
+    $postdata['properties']['in-reply-to'] = [$tweet['in-reply-to']];
+  if(isset($tweet['category']))
+    $postdata['properties']['category'] = $tweet['category'];
+  if(isset($tweet['photo']))
+    $postdata['properties']['photo'] = $tweet['photo'];
+  if(isset($tweet['video']))
+    $postdata['properties']['video'] = $tweet['video'];
+    
+  return $postdata;
+}
+
 function create_favorite(&$user, $url) {
 
   $tweet_id = false;
diff --git a/views/twitter.php b/views/twitter.php
new file mode 100644
index 0000000..d9682e8
--- /dev/null
+++ b/views/twitter.php
@@ -0,0 +1,83 @@
+  <div class="narrow">
+    <?= partial('partials/header') ?>
+
+      <div style="clear: both;" class="notice-pad">
+        <div class="alert alert-success hidden" id="test_success"><strong>Success! </strong><a href="" id="post_href">View your post</a></div>
+        <div class="alert alert-danger hidden" id="test_error"><strong>Something went wrong!</strong><br>Your Micropub endpoint indicated that something went wrong creating the post.</div>
+      </div>
+
+      <form role="form" style="margin-top: 20px;" id="note_form">
+
+        <div class="form-group">
+          <label for="tweet_url">Tweet to Import</label>
+          <input type="text" id="tweet_url" value="<?= $this->tweet_url ?>" class="form-control">
+        </div>
+
+
+        <div style="float: right; margin-top: 6px;">
+          <button class="btn btn-success" id="btn_post">Import</button>
+        </div>
+
+        <div style="float: right; margin-top: 6px; margin-right: 6px;">
+          <button class="btn btn-default" id="btn_preview">Preview</button>
+        </div>
+        
+      </form>
+
+      <div style="clear: both;"></div>
+      
+      <div id="preview_data" class="hidden">
+        <pre></pre>
+      </div>
+
+  </div>
+
+<script>
+$(function(){
+
+  $("#btn_preview").click(function(e){
+    
+    $("#btn_preview").addClass("loading disabled");
+    
+    $.post("/twitter/preview", {
+      tweet_url: $("#tweet_url").val(),
+    }, function(response){
+      $("#preview_data pre").text(response.json);
+      $("#preview_data").removeClass("hidden");
+      $("#btn_preview").removeClass("loading disabled");
+    });
+    
+    return false;
+  });
+
+  $("#btn_post").click(function(){
+    $("#btn_post").addClass("loading disabled");
+
+    $.post("/twitter", {
+      tweet_url: $("#tweet_url").val(),
+    }, function(response){
+      
+      if(response.location != false) {
+
+        $("#test_success").removeClass('hidden');
+        $("#test_error").addClass('hidden');
+        $("#post_href").attr("href", response.location);
+        $("#note_form").addClass('hidden');
+
+        window.location = response.location;
+      } else {
+        $("#test_success").addClass('hidden');
+        $("#test_error").removeClass('hidden');
+        if(response.error_details) {
+          $("#test_error").text(response.error_details);
+        }
+        $("#btn_post").removeClass("loading disabled");
+      }
+
+    });
+    return false;
+  });
+
+});
+
+</script>