@Blog

<?php
require 'config.php';

class ShortUrl
{

    public $apiKey = null;
    public $endPoint = 'https://xgd.io/V1/shorten?';

    public function __construct($api_key = null)
    {
        $this->apiKey = $api_key;
        return $this;
    }

    public function getShortUrl($url = null, $shortid = null, $analytics = true, $filterbots = false)
    {
        if (empty($this->apiKey)) {
            return json_encode(['status' => 0, 'message' => 'api-keyがありません']);
        }
        if (empty($url)) {
            return json_encode(['status' => 0, 'message' => 'URLがありません']);
        }

        if (isset($url) && !preg_match('/^http[s]?:\/\/(www\.)?/', $url)) {
            return json_encode(['status' => 0, 'message' => 'URLが無効です']);
        }

        if (isset($shortid) && !preg_match('/^([0-9a-zA-Z_]{6,15})$/', $shortid)) {
            return json_encode(['status' => 0, 'message' => '短縮コードが無効です']);
        }

        if (!is_bool($analytics)) {
            $analytics = true;
        }

        if (!is_bool($filterbots)) {
            $filterbots = false;
        }

        $parameter = [
            'key' => $this->apiKey,
            'url' => $url,
            'shortid' => $shortid,
            'analytics' => $analytics ? 'true' : 'false',
            'filterbots' => $filterbots ? 'true' : 'false'
        ];

        $response = @file_get_contents($this->endPoint . http_build_query($parameter));
        return $response;
    }
}

if($argv[1]){
    $url = $argv[1];
    $shortid = isset($argv[2]) ? $argv[2] : null;
    $analytics = isset($argv[3]) && $argv[3] === 'true' ? true : false;
    $filterbots = isset($argv[4]) && $argv[4] === 'true' ? true : false;   
    echo (new ShortUrl(APIKEY))->getShortUrl($url, $shortid, $analytics, $filterbots);
}

import pickle
import os

from sklearn.feature_extraction.text import TfidfVectorizer
from sklearn.metrics.pairwise import cosine_similarity
import pandas as pd

# モデル保存ファイル名
MODEL_PATH = "tfidf_vectorizer.pkl"  # TfidfVectorizer
DATA_PATH = "article_tags.pkl"       # 記事IDとタグ

# 類似度モデル構築（再学習対応）
def build_similarity_model(article_tags_input, save_model=True, retrain=False):
    # 再学習時は既存データを読み込んで結合する
    if retrain and os.path.exists(DATA_PATH):
        with open(DATA_PATH, "rb") as f:
            existing_data = pickle.load(f)
        existing_data.update(article_tags_input)  # 新しいデータを追加
        article_tags_input = existing_data

    article_ids = list(article_tags_input.keys())
    processed_corpus = [" ".join(tags) for tags in article_tags_input.values()]

    # 再学習またはモデル未保存時に新たにモデルを学習・保存
    if retrain or not os.path.exists(MODEL_PATH):
        vectorizer = TfidfVectorizer()
        tfidf_matrix = vectorizer.fit_transform(processed_corpus)

        if save_model:
            with open(MODEL_PATH, "wb") as f:
                pickle.dump(vectorizer, f)  # ← ここでモデルを保存
            with open(DATA_PATH, "wb") as f:
                pickle.dump(article_tags_input, f)  # ← ここで元データを保存

    else:
        # 保存済みモデルを使って変換する
        with open(MODEL_PATH, "rb") as f:
            vectorizer = pickle.load(f)
        tfidf_matrix = vectorizer.transform(processed_corpus)

    cosine_sim_matrix = cosine_similarity(tfidf_matrix)
    cosine_sim_df = pd.DataFrame(cosine_sim_matrix, index=article_ids, columns=article_ids)

    return cosine_sim_df, article_ids

# 類似記事を取得する関数
def get_recommendations(article_title, similarity_matrix, articles_map, top_n=3):
    if article_title not in articles_map:
        print(f"エラー: 記事 '{article_title}' が見つかりません。")
        return []

    sim_scores = list(enumerate(similarity_matrix[article_title]))
    sim_scores = sorted(sim_scores, key=lambda x: x[1], reverse=True)

    recommended_articles = []
    for i, score in sim_scores:
        if articles_map[i] != article_title and len(recommended_articles) < top_n:
            recommended_articles.append((articles_map[i], score))
        if len(recommended_articles) >= top_n:
            break

    return recommended_articles

# 入力記事データ ( 例 )
article_tags_input = {
    "記事1": ["Python", "機械学習", "データサイエンス"],
    "記事2": ["Python", "Web開発", "Django"],
    "記事3": ["機械学習", "自然言語処理"],
    "記事4": ["データサイエンス", "統計学"],
    "記事5": ["Python", "データサイエンス", "可視化"]
}

# 類似度モデル構築 + モデル保存 ( 初回学習 )
cosine_sim_df, article_ids = build_similarity_model(article_tags_input)

# 使用例
target_article = "記事1"
recommendations = get_recommendations(target_article, cosine_sim_df, article_ids, top_n=2)
print(f"\n「{target_article}」へのおすすめ記事 ( 上位2件 ):")
for article, score in recommendations:
    print(f"- {article} (類似度: {score:.4f})")

# 新しい記事を追加して再学習
new_article_id = "記事6"
new_article_tags = ["Python", "統計学"]
article_tags_input = {new_article_id: new_article_tags}

# 再構築＋再学習
cosine_sim_df, article_ids = build_similarity_model(article_tags_input, retrain=True)
target_article = new_article_id
recommendations = get_recommendations(target_article, cosine_sim_df, article_ids, top_n=2)
print(f"\n「{target_article}」へのおすすめ記事 ( 上位2件 ):")
for article, score in recommendations:
    print(f"- {article} (類似度: {score:.4f})")

    const labels = [];
    const allVisitors = [];
    const generalVisitors = [];
    const staffVisitors = [];

    const rawData = [
      ["4/13", 146426, 22000], ["4/14", 70488, 17000], ["4/15", 63719, 16000], ["4/16", 73869, 15000],
      ["4/17", 82692, 15000], ["4/18", 93908, 15000], ["4/19", 108773, 15000], ["4/20", 95524, 16142],
      ["4/21", 99638, 17352], ["4/22", 103729, 17099], ["4/23", 99140, 17795], ["4/24", 108888, 17376],
      ["4/25", 110759, 17591], ["4/26", 122102, 17299], ["4/27", 102015, 16985], ["4/28", 121282, 17465],
      ["4/29", 97559, 17813], ["4/30", 101397, 17621], ["5/1", 105945, 17548], ["5/2", 104805, 17741],
      ["5/3", 120696, 17886], ["5/4", 136805, 16289], ["5/5", 126371, 16804], ["5/6", 76517, 16935],
      ["5/7", 91688, 16932], ["5/8", 105449, 18578], ["5/9", 105782, 19813], ["5/10", 128918, 21373],
      ["5/11", 121667, 18268], ["5/12", 117658, 17856], ["5/13", 123640, 18087], ["5/14", 129527, 17668],
      ["5/15", 129456, 17762], ["5/16", 132817, 17700], ["5/17", 123974, 16464], ["5/18", 117000, 16000],
      ["5/19", 129000, 17000], ["5/20", 125000, 18000], ["5/21", 129000, 19000], ["5/22", 134000, 18000],
      ["5/23", 157000, 18000]
    ];

    rawData.forEach(([date, total, staff]) => {
      labels.push(date);
      allVisitors.push(total);
      staffVisitors.push(staff);
      generalVisitors.push(total - staff);
    });

    const futureDays = 143;
    for (let i = 1; i <= futureDays; i++) {
      const futureDate = new Date(2025, 4, 13 + i); // 4月13日からスタート
      const label = `${futureDate.getMonth() + 1}/${futureDate.getDate()}`;
      labels.push(label);

      // 予測ロジック: 最近5日間の平均にランダムなゆらぎを加える
      const recentGeneral = generalVisitors.slice(-5);
      const avgGeneral = recentGeneral.reduce((a, b) => a + b, 0) / recentGeneral.length;
      const fluctuation = Math.sin(i / 5) * 5000 + (Math.random() - 0.5) * 8000;
      const predictedGeneral = Math.round(avgGeneral + fluctuation);

      const predictedStaff = 18000 + Math.round(Math.sin(i / 7) * 1000);
      const predictedTotal = predictedGeneral + predictedStaff;

      generalVisitors.push(predictedGeneral);
      staffVisitors.push(predictedStaff);
      allVisitors.push(predictedTotal);
    }

    const ctx = document.getElementById('visitorChart').getContext('2d');
    const chart = new Chart(ctx, {
      type: 'line',
      data: {
        labels: labels,
        datasets: [
          {
            label: '来場者数（合計）',
            data: allVisitors,
            borderColor: 'rgba(75, 192, 192, 1)',
            backgroundColor: 'rgba(75, 192, 192, 0.1)',
            borderWidth: 2,
            tension: 0.3,
            fill: true
          },
          {
            label: '一般来場者数',
            data: generalVisitors,
            borderColor: 'rgba(255, 159, 64, 1)',
            backgroundColor: 'rgba(255, 159, 64, 0.1)',
            borderWidth: 2,
            tension: 0.4,
            fill: true
          },
          {
            label: '関係者数',
            data: staffVisitors,
            borderColor: 'rgba(153, 102, 255, 1)',
            backgroundColor: 'rgba(153, 102, 255, 0.1)',
            borderWidth: 2,
            tension: 0.4,
            fill: true
          }
        ]
      },
      options: {
        animation: {
          duration: 1500,
          easing: 'easeInOutQuart'
        },
        responsive: true,
        scales: {
          y: {
            title: {
              display: true,
              text: '人数'
            }
          },
          x: {
            title: {
              display: true,
              text: '日付'
            },
            ticks: {
              maxRotation: 90,
              minRotation: 45,
              maxTicksLimit: 50
            }
          }
        },
        plugins: {
          legend: {
            position: 'top',
          },
          title: {
            display: false
          }
        }
      }
    });

<?php

class JapanPostAPIClient
{
    private string $clientId;
    private string $secretKey;
    private string $clientIp;
    private ?string $accessToken = null;
    private ?array $lastResponse = null;

    public function __construct(string $clientId, string $secretKey, string $clientIp)
    {
        $this->clientId = $clientId;
        $this->secretKey = $secretKey;
        $this->clientIp = $clientIp;
    }

    public function authenticate(): self
    {
        $url = 'https://api.da.pf.japanpost.jp/api/v1/j/token';
        $data = json_encode([
            'grant_type' => 'client_credentials',
            'client_id' => $this->clientId,
            'secret_key' => $this->secretKey
        ]);

        $headers = [
            "Content-Type: application/json",
            "x-forwarded-for: {$this->clientIp}"
        ];

        $ch = curl_init($url);
        curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
        curl_setopt($ch, CURLOPT_POST, true);
        curl_setopt($ch, CURLOPT_POSTFIELDS, $data);
        curl_setopt($ch, CURLOPT_HTTPHEADER, $headers);

        $response = curl_exec($ch);
        $httpcode = curl_getinfo($ch, CURLINFO_HTTP_CODE);
        curl_close($ch);

        if ($httpcode !== 200) {
            throw new Exception("Token request failed with status {$httpcode}: {$response}");
        }

        $responseData = json_decode($response, true);
        $this->accessToken = $responseData['token'] ?? null;
        $this->lastResponse = $responseData;

        return $this;
    }

    public function searchCode(string $searchCode, array $params = []): self
    {
        if (!$this->accessToken) {
            throw new Exception("Access token is not set. Please call authenticate() first.");
        }

        $defaultParams = [
            'page' => 1,
            'limit' => 10,
            'choikitype' => 1,
            'searchtype' => 1
        ];

        $queryParams = http_build_query(array_merge($defaultParams, $params));
        $url = "https://api.da.pf.japanpost.jp/api/v1/searchcode/{$searchCode}?{$queryParams}";

        $headers = [
            "Authorization: Bearer {$this->accessToken}",
            "Accept: application/json"
        ];

        $ch = curl_init($url);
        curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
        curl_setopt($ch, CURLOPT_HTTPHEADER, $headers);

        $response = curl_exec($ch);
        $httpCode = curl_getinfo($ch, CURLINFO_HTTP_CODE);
        curl_close($ch);

        if ($httpCode !== 200) {
            throw new Exception("Search request failed with status {$httpCode}: {$response}");
        }

        $this->lastResponse = json_decode($response, true);
        return $this;
    }

    public function getJson(): string
    {
        return json_encode($this->lastResponse, JSON_UNESCAPED_UNICODE | JSON_PRETTY_PRINT);
    }

    public function getArray(): ?array
    {
        return $this->lastResponse;
    }
}

// 使い方の例：
// $client = new JapanPostAPIClient('YOUR_CLIENT_ID', 'YOUR_SECRET_KEY', 'IPアドレス.xxx.xxx.xxx');
// echo $client->authenticate()->searchCode('1000001')->getJson();

// トランプ大統領の2025年からの任期をカウント
const termStart = new Date('2025-01-20');
const termEnd = new Date('2029-01-20');
const today = new Date();

const totalTermDays = Math.floor((termEnd - termStart) / (1000 * 60 * 60 * 24));

if (today < termStart) {
  console.log('任期はまだ始まっていません。');
} else if (today > termEnd) {
  const servedDays = totalTermDays;
  console.log('任期は終了しています。');
  console.log(`トランプ大統領は ${servedDays} 日間、在任しました。`);
} else {
  const servedDays = Math.floor((today - termStart) / (1000 * 60 * 60 * 24));
  const remainingDays = Math.floor((termEnd - today) / (1000 * 60 * 60 * 24));
  console.log(`任期中です。（${today.toISOString().split('T')[0]} 現在）`);
  console.log(`在任日数: ${servedDays} 日`);
  console.log(`残り日数: ${remainingDays} 日`);
  console.log(`任期全体の日数: ${totalTermDays} 日`);
}