Dodaj pliki projektów.

2024-11-25 22:42:31 +01:00
parent 133b8199db
commit 7581d5df42
58 changed files with 1644 additions and 0 deletions
@@ -0,0 +1,37 @@
+using System.Collections.Generic;
+using System.Data;
+using System.Threading.Tasks;
+using DatabaseConnection.Model;
+
+namespace DatabaseConnection.Services
+{
+    public partial class AuthorService
+    {
+        private readonly DatabaseService databaseService;
+
+        public AuthorService(DatabaseService databaseService) => this.databaseService = databaseService;
+
+        public async Task<List<Author>> GetAuthors()
+        {
+            List<Author> authors = [];
+                var table = await databaseService.ExecuteQuery("SELECT * FROM autorzy_ksiazek");
+                foreach (DataRow row in table.Rows)
+                {
+                    authors.Add(new Author
+                    {
+                        Id = Convert.ToInt32(row["id_autor"]),
+                        Name = row["imie"].ToString(),
+                        Surname = row["nazwisko"].ToString(),
+                        Birthdate = row["data_urodzenia"].ToString()
+                    });
+
+                }
+            return authors;
+        }
+
+        public async Task<int> AddAuthor(Author author)
+        {
+            return await databaseService.ExecuteNonQuery($"INSERT INTO autorzy_ksiazek(imie, nazwisko, data_urodzenia) VALUES('{author.Name}', '{author.Surname}', '{author.Birthdate}');");
+        }
+    }
+}