SVN

2026-01-21 03:07:35 +09:00
commit 5c7516f60f
19 changed files with 15472 additions and 0 deletions
--- a/Managers/NoteManager.cs
+++ b/Managers/NoteManager.cs
@@ -0,0 +1,172 @@
+using Microsoft.Data.Sqlite;
+
+namespace SimPas2_Windows.Managers
+{
+  public class NoteManager
+  {
+    private readonly string mConnectionString;
+    private readonly string mCulture;
+
+    private string mJpLang;
+
+    public NoteManager(string databasePath, string culture)
+    {
+      mConnectionString = $"Data Source={databasePath}";
+      mCulture = culture;
+
+      mJpLang = "ja-JP";
+    }
+
+    private bool AlreadyExists(string name, int? excludeId = null)
+    {
+      using (SqliteConnection conn = new SqliteConnection(mConnectionString))
+      {
+        conn.Open();
+        SqliteCommand com = conn.CreateCommand();
+        com.CommandText = @"
+          SELECT COUNT(*) FROM Notes
+          WHERE UPPER(Name) = UPPER(@name)";
+        com.Parameters.AddWithValue("@name", name);
+
+        if (excludeId.HasValue)
+        {
+          com.CommandText += " AND Id != @excludeId";
+          com.Parameters.AddWithValue("@excludeId", excludeId.Value);
+        }
+
+        return Convert.ToInt32(com.ExecuteScalar()) > 0;
+      }
+    }
+
+    public void AddNote(string name)
+    {
+      if (string.IsNullOrWhiteSpace(name))
+      {
+        string err = mCulture == mJpLang
+          ? "ファイル名を御入力下さい。"
+          : "Please fill in the filename.";
+        throw new ArgumentException(err);
+      }
+
+      if (AlreadyExists(name))
+      {
+        string err = mCulture == mJpLang
+          ? $"ファイル名「{name}」付きメモは既に存在します。"
+          : $"A note with the filename '{name}' already exists.";
+        throw new ArgumentException(err);
+      }
+
+      using (SqliteConnection conn = new SqliteConnection(mConnectionString))
+      {
+        conn.Open();
+        SqliteCommand com = conn.CreateCommand();
+        com.CommandText = @"
+          INSERT INTO Notes (Name)
+          VALUES ($name)";
+        com.Parameters.AddWithValue("$name", name);
+        com.ExecuteNonQuery();
+      }
+    }
+
+    public bool EditNote(int id, string name)
+    {
+      if (string.IsNullOrWhiteSpace(name))
+      {
+        string err = mCulture == mJpLang
+          ? "ファイル名を御入力下さい。" :
+          "Please fill in the filename.";
+        throw new ArgumentException(err);
+      }
+
+      if (AlreadyExists(name, id))
+      {
+        string err = mCulture == mJpLang
+          ? $"ファイル名「{name}」付きメモは既に存在します。"
+          : $"A note with the filename '{name}' already exists.";
+        throw new ArgumentException(err);
+      }
+
+      using (SqliteConnection conn = new SqliteConnection(mConnectionString))
+      {
+        conn.Open();
+        SqliteCommand com = conn.CreateCommand();
+        com.CommandText = @"
+          UPDATE Notes
+          SET Name = $name
+          WHERE Id = $id";
+        com.Parameters.AddWithValue("id", id);
+        com.Parameters.AddWithValue("$name", name);
+
+        return com.ExecuteNonQuery() > 0;
+      }
+    }
+
+    public bool SaveNote(int id, string text)
+    {
+      using (SqliteConnection conn = new SqliteConnection(mConnectionString))
+      {
+        conn.Open();
+        SqliteCommand com = conn.CreateCommand();
+        com.CommandText = @"
+          UPDATE Notes
+          SET Text = @text
+          WHERE Id = @id";
+        com.Parameters.AddWithValue("@id", id);
+        com.Parameters.AddWithValue("@text", text ?? (object)DBNull.Value);
+
+        return com.ExecuteNonQuery() > 0;
+      }
+    }
+
+    public bool DeleteNote(int id)
+    {
+      using (SqliteConnection conn = new SqliteConnection(mConnectionString))
+      {
+        conn.Open();
+        SqliteCommand com = conn.CreateCommand();
+        com.CommandText = "DELETE FROM Notes WHERE Id = $id";
+        com.Parameters.AddWithValue("$id", id);
+
+        return com.ExecuteNonQuery() > 0;
+      }
+    }
+
+    public List<(int Id, string Name, string Text)> GetAll(string keyword = "")
+    {
+      var notes = new List<(int, string, string)>();
+      using (SqliteConnection conn = new SqliteConnection(mConnectionString))
+      {
+        conn.Open();
+        SqliteCommand com = conn.CreateCommand();
+        if (string.IsNullOrWhiteSpace(keyword))
+        {
+          com.CommandText = @"
+          SELECT Id, Name, Text FROM Notes
+          ORDER BY Name ASC";
+        }
+        else
+        {
+          com.CommandText = @"
+          SELECT Id, Name, Text FROM Notes
+          WHERE Name LIKE @keyword
+          ORDER BY Name ASC";
+          com.Parameters.AddWithValue("@keyword", $"%{keyword}%");
+        }
+
+        using (SqliteDataReader reader = com.ExecuteReader())
+        {
+          while (reader.Read())
+          {
+            notes.Add((
+              reader.GetInt32(0),
+              reader.GetString(1),
+              reader.IsDBNull(2) ? string.Empty : reader.GetString(2)
+            ));
+          }
+        }
+      }
+
+      return notes;
+    }
+  }
+}