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1 <?php |
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2 /** |
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3 * Twitter implementation for Social. |
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4 * |
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5 * @package Social |
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6 * @subpackage plugins |
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7 */ |
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8 if (class_exists('Social') and !class_exists('Social_Twitter')) { |
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9 |
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10 final class Social_Twitter { |
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11 |
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12 /** |
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13 * Registers Twitter to Social. |
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14 * |
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15 * @static |
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16 * @wp-filter social_register_service |
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17 * |
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18 * @param array $services |
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19 * |
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20 * @return array |
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21 */ |
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22 public static function register_service(array $services) { |
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23 $services[] = 'twitter'; |
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24 return $services; |
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25 } |
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26 |
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27 /** |
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28 * Adds to the avatar comment types array. |
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29 * |
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30 * @static |
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31 * @param array $types |
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32 * @return array |
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33 */ |
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34 public static function get_avatar_comment_types(array $types) { |
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35 return array_merge($types, Social_Service_Twitter::comment_types()); |
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36 } |
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37 |
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38 /** |
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39 * Pre-processor to the comments. |
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40 * |
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41 * @wp-filter social_comments_array |
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42 * @static |
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43 * @param array $comments |
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44 * @param int $post_id |
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45 * @return array |
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46 */ |
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47 public static function comments_array(array $comments, $post_id) { |
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48 // pre-load the hashes for broadcasted tweets |
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49 $broadcasted_ids = get_post_meta($post_id, '_social_broadcasted_ids', true); |
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50 if (empty($broadcasted_ids)) { |
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51 $broadcasted_ids = array(); |
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52 } |
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53 global $wpdb; |
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54 |
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55 // we need comments to be keyed by ID, check for Tweet comments |
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56 $tweet_comments = $_comments = $comment_ids = array(); |
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57 foreach ($comments as $key => $comment) { |
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58 if (is_object($comment)) { |
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59 $_comments['id_'.$comment->comment_ID] = $comment; |
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60 if (in_array($comment->comment_type, Social_Service_Twitter::comment_types())) { |
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61 $comment_ids[] = $comment->comment_ID; |
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62 $tweet_comments['id_'.$comment->comment_ID] = $comment; |
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63 } |
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64 } |
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65 else { // social items |
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66 $_comments[$key] = $comment; |
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67 } |
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68 } |
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69 |
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70 // if no tweet comments, get out now |
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71 if (!count($tweet_comments)) { |
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72 return $comments; |
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73 } |
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74 |
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75 // use our keyed array |
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76 $comments = $_comments; |
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77 unset($_comments); |
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78 |
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79 $social_map = array(); // key = social id, value = comment_ID |
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80 $hash_map = array(); // key = hash, value = comment_ID |
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81 $broadcasted_social_ids = array(); |
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82 $broadcast_retweets = array(); // array of comments |
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83 |
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84 if (isset($broadcasted_ids['twitter'])) { |
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85 foreach ($broadcasted_ids['twitter'] as $account_id => $broadcasted) { |
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86 foreach ($broadcasted as $id => $data) { |
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87 $broadcasted_social_ids[] = $id; |
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88 // if we don't have a message saved for a tweet, try to get it so that we can use it next time |
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89 if (empty($data['message'])) { |
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90 $url = wp_nonce_url(home_url('index.php?social_controller=aggregation&social_action=retrieve_twitter_content&broadcasted_id='.$id.'&post_id='.$post_id), 'retrieve_twitter_content'); |
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91 wp_remote_get(str_replace('&', '&', $url), array( |
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92 'timeout' => 0.01, |
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93 'blocking' => false, |
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94 )); |
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95 } |
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96 else { |
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97 // create a hash from the broadcast so we can match retweets to it |
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98 $hash = self::build_hash($data['message']); |
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99 |
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100 // This is stored as broadcasted and not the ID so we can easily store broadcasted retweets |
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101 // instead of attaching retweets to non-existent comments. |
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102 $hash_map[$hash] = 'broadcasted'; |
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103 } |
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104 } |
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105 } |
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106 } |
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107 |
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108 // Load the comment meta |
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109 $results = $wpdb->get_results(" |
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110 SELECT meta_key, meta_value, comment_id |
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111 FROM $wpdb->commentmeta |
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112 WHERE comment_id IN (".implode(',', $comment_ids).") |
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113 AND ( |
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114 meta_key = 'social_in_reply_to_status_id' |
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115 OR meta_key = 'social_status_id' |
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116 OR meta_key = 'social_raw_data' |
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117 OR meta_key = 'social_profile_image_url' |
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118 OR meta_key = 'social_comment_type' |
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119 ) |
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120 "); |
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121 |
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122 // Set up social data for twitter comments |
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123 foreach ($tweet_comments as $key => &$comment) { |
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124 $comment->social_items = array(); |
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125 |
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126 // Attach meta |
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127 foreach ($results as $result) { |
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128 if ($comment->comment_ID == $result->comment_id) { |
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129 switch ($result->meta_key) { |
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130 case 'social_raw_data': |
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131 $comment->social_raw_data = json_decode(base64_decode($result->meta_value)); |
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132 break; |
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133 case 'social_status_id': |
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134 $social_map[$result->meta_value] = $result->comment_id; |
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135 default: |
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136 $comment->{$result->meta_key} = $result->meta_value; |
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137 } |
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138 } |
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139 } |
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140 |
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141 // Attach hash |
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142 if (isset($comment->social_raw_data) and isset($comment->social_raw_data->text)) { |
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143 $text = trim($comment->social_raw_data->text); |
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144 } |
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145 else { |
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146 $text = trim($comment->comment_content); |
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147 } |
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148 $comment->social_hash = self::build_hash($text); |
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149 |
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150 if (!isset($hash_map[$comment->social_hash])) { |
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151 $hash_map[$comment->social_hash] = $comment->comment_ID; |
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152 } |
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153 } |
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154 |
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155 // merge data so that $comments has the data we've set up |
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156 $comments = array_merge($comments, $tweet_comments); |
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157 |
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158 // set-up replies and retweets |
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159 foreach ($tweet_comments as $key => &$comment) { |
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160 if (is_object($comment)) { |
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161 // set reply/comment parent |
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162 if (!empty($comment->social_in_reply_to_status_id) and isset($social_map[$comment->social_in_reply_to_status_id])) { |
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163 $comments[$key]->comment_parent = $social_map[$comment->social_in_reply_to_status_id]; |
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164 } |
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165 |
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166 // set retweets |
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167 $rt_matched = false; |
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168 if (isset($comment->social_raw_data) and isset($comment->social_raw_data->retweeted_status)) { |
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169 // explicit match via API data |
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170 $rt_id = $comment->social_raw_data->retweeted_status->id_str; |
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171 if (in_array($rt_id, $broadcasted_social_ids)) { |
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172 $broadcast_retweets[] = $comment; |
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173 unset($comments[$key]); |
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174 $rt_matched = true; |
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175 } |
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176 else if (isset($social_map[$rt_id]) and isset($comments['id_'.$social_map[$rt_id]])) { |
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177 $comments['id_'.$social_map[$rt_id]]->social_items[$key] = $comment; |
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178 unset($comments[$key]); |
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179 $rt_matched = true; |
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180 } |
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181 } |
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182 |
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183 if (!$rt_matched) { |
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184 // best guess via hashes |
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185 $hash_match = $hash_map[$comment->social_hash]; |
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186 if ($hash_match != $comment->comment_ID) { // hash match to own tweet is expected, at minimum - set above |
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187 if ($hash_match == 'broadcasted') { |
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188 $broadcast_retweets[] = $comment; |
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189 } |
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190 else if (isset($comments['id_'.$hash_match])) { |
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191 $comments['id_'.$hash_match]->social_items[$key] = $comment; |
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192 } |
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193 else { |
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194 // Loop through the broadcasted retweets and see if this is a retweet of one of those. |
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195 foreach ($broadcast_retweets as $retweet) { |
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196 if ($retweet->comment_ID == $hash_match) { |
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197 $broadcast_retweets[] = $comment; |
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198 break; |
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199 } |
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200 } |
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201 } |
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202 unset($comments[$key]); |
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203 } |
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204 } |
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205 } |
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206 } |
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207 |
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208 if (!isset($comments['social_items'])) { |
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209 $comments['social_items'] = array(); |
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210 } |
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211 |
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212 if (count($broadcast_retweets)) { |
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213 $comments['social_items']['twitter'] = $broadcast_retweets; |
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214 } |
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215 |
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216 return $comments; |
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217 } |
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218 |
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219 |
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220 /** |
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221 * Sets the raw data for the broadcasted post. |
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222 * |
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223 * @wp-filter social_broadcast_response |
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224 * @static |
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225 * @param array $data |
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226 * @param Social_Service_Account $account |
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227 * @param string $service_key |
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228 * @param int $post_id |
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229 * @param Social_Response $response |
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230 * @return array |
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231 */ |
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232 public static function social_save_broadcasted_ids_data(array $data, Social_Service_Account $account, $service_key, $post_id, Social_Response $response = null) { |
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233 if ($service_key == 'twitter') { |
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234 if (!empty($response)) { |
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235 $data['message'] = base64_encode(json_encode($response->body()->response)); |
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236 } |
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237 $data['account'] = (object) array( |
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238 'user' => $account->as_object()->user |
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239 ); |
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240 } |
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241 |
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242 return $data; |
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243 } |
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244 |
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245 /** |
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246 * Strips extra retweet data before comparing. |
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247 * |
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248 * @static |
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249 * @param string $text |
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250 * @return string |
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251 */ |
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252 private static function build_hash($text) { |
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253 $text = explode(' ', $text); |
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254 $content = ''; |
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255 foreach ($text as $_content) { |
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256 if (!empty($_content) and strpos($_content, 'http://') === false) { |
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257 if ($_content == 'RT' or preg_match('/@([\w_]+):/i', $_content)) { |
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258 continue; |
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259 } |
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260 |
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261 $content .= $_content.' '; |
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262 } |
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263 } |
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264 |
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265 return md5(trim($content)); |
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266 } |
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267 |
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268 /** |
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269 * Checks for a retweet via twitter API data and user perception. |
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270 * |
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271 * @static |
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272 * @param stdClass $comment |
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273 * @return bool |
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274 */ |
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275 public static function is_retweet($comment = null, $tweet = null) { |
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276 $is_retweet = false; |
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277 if (!is_null($comment)) { |
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278 if (isset($comment->social_raw_data) and !empty($comment->social_raw_data->retweeted_status)) { |
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279 $is_retweet = true; |
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280 } |
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281 if (substr($comment->comment_content, 0, 4) == 'RT @') { |
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282 $is_retweet = true; |
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283 } |
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284 } |
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285 else if (!is_null($tweet)) { |
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286 if (!empty($tweet->retweeted_status)) { |
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287 $is_retweet = true; |
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288 } |
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289 if (substr($tweet->text, 0, 4) == 'RT @') { |
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290 $is_retweet = true; |
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291 } |
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292 } |
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293 return $is_retweet; |
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294 } |
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295 |
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296 /** |
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297 * Adds a retweet to the original broadcasted post social items stack. |
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298 * |
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299 * @static |
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300 * @param int $comment_id |
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301 * @param array $comments |
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302 * @param array $social_items |
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303 */ |
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304 private static function add_to_social_items($comment_id, &$comments, &$social_items) { |
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305 $object = null; |
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306 $_comments = array(); |
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307 foreach ($comments as $id => $comment) { |
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308 if (is_int($id)) { |
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309 if ($comment->comment_ID == $comment_id) { |
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310 $object = $comment; |
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311 } |
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312 else { |
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313 $_comments[] = $comment; |
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314 } |
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315 } |
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316 else { |
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317 if (isset($_comments[$id])) { |
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318 $_comments[$id] = array_merge($_comments[$id], $comment); |
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319 } |
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320 else { |
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321 $_comments[$id] = $comment; |
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322 } |
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323 } |
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324 } |
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325 $comments = $_comments; |
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326 |
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327 if ($object !== null) { |
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328 if (!isset($social_items['twitter'])) { |
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329 $social_items['twitter'] = array(); |
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330 } |
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331 |
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332 $social_items['twitter'][$comment_id] = $object; |
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333 } |
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334 } |
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335 |
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336 /** |
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337 * Adds messaging to the title. |
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338 * |
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339 * @static |
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340 * @param string $title |
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341 * @param string $key |
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342 * @return string |
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343 */ |
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344 public static function social_item_output_title($title, $key) { |
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345 if ($key == 'twitter') { |
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346 $title .= __(' retweeted this', 'social'); |
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347 } |
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348 |
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349 return $title; |
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350 } |
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351 |
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352 /** |
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353 * Add a "reply to" field to broadcast form. |
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354 * |
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355 * @static |
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356 * @param obj $post |
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357 * @param obj $service |
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358 * @param obj $account |
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359 * @return void |
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360 */ |
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361 public static function social_broadcast_form_item_edit($post, $service, $account) { |
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362 if ($service->key() != 'twitter') { |
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363 return; |
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364 } |
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365 $field_name = str_replace('_content', '_in_reply_to', $account['field_name_content']); |
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366 ?> |
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367 <a href="#" class="tweet-reply-link"><?php _e('Send as a reply', 'social'); ?></a> |
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368 <div class="tweet-reply-fields"> |
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369 <label for="<?php echo esc_attr($field_name); ?>"><?php _e('URL of Tweet (to reply to)', 'social'); ?></label> |
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370 <input type="text" class="tweet-reply-field" name="<?php echo esc_attr($field_name); ?>" value="" id="<?php echo esc_attr($field_name); ?>" /> |
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371 </div> |
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372 <?php |
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373 } |
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374 |
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375 } // End Social_Twitter |
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376 |
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377 define('SOCIAL_TWITTER_FILE', __FILE__); |
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378 |
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379 // Filters |
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380 add_filter('social_register_service', array('Social_Twitter', 'register_service')); |
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381 add_filter('get_avatar_comment_types', array('Social_Twitter', 'get_avatar_comment_types')); |
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382 add_filter('social_comments_array', array('Social_Twitter', 'comments_array'), 10, 2); |
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383 add_filter('social_save_broadcasted_ids_data', array('Social_Twitter', 'social_save_broadcasted_ids_data'), 10, 5); |
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384 add_filter('social_item_output_title', array('Social_Twitter', 'social_item_output_title'), 10, 2); |
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385 add_action('social_broadcast_form_item_edit', array('Social_Twitter', 'social_broadcast_form_item_edit'), 10, 3); |
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386 |
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387 } |