Feat: add get method for student repository

backend/adapters/sqlite.py

@@ -14,5 +14,20 @@ def create_tribe_table(conn) -> None:
     conn.commit()
 
 
+def create_student_table(conn) -> None:
+    cursor = conn.cursor()
+    cursor.execute(
+        """
+    CREATE TABLE IF NOT EXISTS students(
+     id VARCHAR(500) PRIMARY KEY UNIQUE,
+     name VARCHAR,
+     tribe_name VARCHAR
+    )
+    """
+    )
+    conn.commit()
+
+
 def create_db(conn) -> None:
     create_tribe_table(conn)
+    create_student_table(conn)

backend/repository/student_sqlite_repository.py

@@ -0,0 +1,69 @@
+from backend.model.student import Student
+from backend.model.tribe import Tribe
+from backend.repository.abstract_repository import AbstractRepository
+
+
+class StudentSQLiteRepository(AbstractRepository):
+    def __init__(self, conn) -> None:
+        self.conn = conn
+
+    def add(self, student: Student) -> None:
+        self.conn.execute(
+            """
+        INSERT INTO students(id, name, tribe_name) VALUES (?, ?, ?)
+        """,
+            (
+                student.id,
+                student.name,
+                student.tribe.name,
+            ),
+        )
+
+    def update(self, name: str, student: Student) -> None:
+        self.conn.execute(
+            """
+            UPDATE students SET name=:newname, tribe_name=:newtribe WHERE id=:id
+            """,
+            {
+                "newname": student.name,
+                "newtribe": student.tribe.name,
+                "id": student.id,
+            },
+        )
+
+    def get(self, id: str, tribes: list[Tribe]) -> Student:
+        cursor = self.conn.cursor()
+        cursor.execute(
+            """
+        SELECT id, name, tribe_name FROM students WHERE id=?
+        """,
+            (id,),
+        )
+
+        row = cursor.fetchone()
+        if row:
+            tribe = next(filter(lambda t: t.name == row[2], tribes))
+            return Student(id=row[0], name=row[1], tribe=tribe)
+
+        raise ValueError(f"The student ({id=}) does not exists")
+
+    def list(self) -> list[Student]:
+        cursor = self.conn.cursor()
+        cursor.execute(
+            """
+        SELECT * FROM students
+        """
+        )
+
+        rows = cursor.fetchall()
+        return [Student(*r) for r in rows]
+
+    def delete(self, student: Student) -> None:
+        self.conn.execute(
+            """
+            DELETE FROM students WHERE name=:name
+            """,
+            {
+                "name": student.name,
+            },
+        )