diff --git a/fastapi-app/database.py b/fastapi-app/database.py
index b42f927..80c1439 100644
--- a/fastapi-app/database.py
+++ b/fastapi-app/database.py
@@ -1,30 +1,57 @@
-from typing import Optional
-
+from datetime import datetime
 from sqlalchemy.ext.asyncio import create_async_engine, async_sessionmaker
-from sqlalchemy.orm import DeclarativeBase, Mapped, mapped_column
+from sqlalchemy.orm import DeclarativeBase, Mapped, mapped_column, relationship
+from sqlalchemy import ForeignKey
 
 engine = create_async_engine("sqlite+aiosqlite:///tasks.db")
 new_session = async_sessionmaker(engine, expire_on_commit=False)
 
-
-class Model(DeclarativeBase):
+class Base(DeclarativeBase):
     pass
 
-
-class TaskOrm(Model):
-    __tablename__ = "tasks"
-
+class User(Base):
+    __tablename__ = "users"
     id: Mapped[int] = mapped_column(primary_key=True)
-    name: Mapped[str]
-    description: Mapped[Optional[str]]
+    username: Mapped[str] = mapped_column(unique=True)
+    password_hash: Mapped[str]
 
+    # Связи
+    csv_files = relationship("CSVFile", back_populates="user")
+    models = relationship("H5Model", back_populates="user")
+
+class CSVFile(Base):
+    __tablename__ = "csv_files"
+    id: Mapped[int] = mapped_column(primary_key=True)
+    user_id: Mapped[int] = mapped_column(ForeignKey("users.id"))
+    file_path: Mapped[str]
+    uploaded_at: Mapped[datetime] = mapped_column(default=datetime.utcnow)
+
+    user = relationship("User", back_populates="csv_files")
+
+class H5Model(Base):
+    __tablename__ = "h5_models"
+    id: Mapped[int] = mapped_column(primary_key=True)
+    user_id: Mapped[int] = mapped_column(ForeignKey("users.id"))
+    model_path: Mapped[str]
+    created_at: Mapped[datetime] = mapped_column(default=datetime.utcnow)
+
+    user = relationship("User", back_populates="models")
+    statistics = relationship("ModelStatistics", back_populates="model")
+
+class ModelStatistics(Base):
+    __tablename__ = "model_statistics"
+    id: Mapped[int] = mapped_column(primary_key=True)
+    model_id: Mapped[int] = mapped_column(ForeignKey("h5_models.id"))
+    accuracy: Mapped[float]
+    loss: Mapped[float]
+    created_at: Mapped[datetime] = mapped_column(default=datetime.utcnow)
+
+    model = relationship("H5Model", back_populates="statistics")
 
 async def create_tables():
-    # https://docs.sqlalchemy.org/en/20/orm/extensions/asyncio.html#synopsis-core
     async with engine.begin() as conn:
-        await conn.run_sync(Model.metadata.create_all)
-
+        await conn.run_sync(Base.metadata.create_all)
 
 async def delete_tables():
     async with engine.begin() as conn:
-        await conn.run_sync(Model.metadata.drop_all)
+        await conn.run_sync(Base.metadata.drop_all)
diff --git a/fastapi-app/repository.py b/fastapi-app/repository.py
index 1805844..94f286e 100644
--- a/fastapi-app/repository.py
+++ b/fastapi-app/repository.py
@@ -1,26 +1,36 @@
+from database import new_session, User, CSVFile, H5Model, ModelStatistics
+from schemas import UserCreate, CSVFileUpload, H5ModelCreate, ModelStatisticsCreate
 from sqlalchemy import select
 
-from database import new_session, TaskOrm
-from schemas import STaskAdd, STask
-
-
-class TaskRepository:
-    @classmethod
-    async def add_one(cls, data: STaskAdd) -> int:
+class UserRepository:
+    @staticmethod
+    async def create_user(data: UserCreate):
         async with new_session() as session:
-            task_dict = data.model_dump()
-
-            task = TaskOrm(**task_dict)
-            session.add(task)
-            await session.flush()
+            user = User(username=data.username, password_hash=data.password)
+            session.add(user)
             await session.commit()
-            return task.id
+            return user.id
 
-    @classmethod
-    async def find_all(cls) -> list[STask]:
+class CSVFileRepository:
+    @staticmethod
+    async def upload_file(user_id: int, file_path: str):
         async with new_session() as session:
-            query = select(TaskOrm)
-            result = await session.execute(query)
-            task_models = result.scalars().all()
-            task_schemas = [STask.model_validate(task_model) for task_model in task_models]
-            return task_schemas
+            csv_file = CSVFile(user_id=user_id, file_path=file_path)
+            session.add(csv_file)
+            await session.commit()
+
+class H5ModelRepository:
+    @staticmethod
+    async def add_model(user_id: int, model_path: str):
+        async with new_session() as session:
+            model = H5Model(user_id=user_id, model_path=model_path)
+            session.add(model)
+            await session.commit()
+
+class ModelStatisticsRepository:
+    @staticmethod
+    async def add_statistics(data: ModelStatisticsCreate):
+        async with new_session() as session:
+            stats = ModelStatistics(**data.model_dump())
+            session.add(stats)
+            await session.commit()
diff --git a/fastapi-app/router.py b/fastapi-app/router.py
index f58400d..42004d1 100644
--- a/fastapi-app/router.py
+++ b/fastapi-app/router.py
@@ -1,25 +1,45 @@
-from typing import Annotated
+from fastapi import APIRouter, UploadFile, File, Form
+from repository import UserRepository, CSVFileRepository, H5ModelRepository, ModelStatisticsRepository
+from schemas import UserCreate, ModelStatisticsCreate
+import shutil
+import os
 
-from fastapi import APIRouter, Depends
+router = APIRouter()
 
-from repository import TaskRepository
-from schemas import STaskAdd, STask, STaskId
+UPLOAD_FOLDER_CSV = "uploads/csv"
+os.makedirs(UPLOAD_FOLDER_CSV, exist_ok=True)
 
-router = APIRouter(
-    prefix="/tasks",
-    tags=["Таски"],
-)
+UPLOAD_FOLDER_MODELS = "uploads/models"
+os.makedirs(UPLOAD_FOLDER_MODELS, exist_ok=True)
 
+# Регистрация пользователя
+@router.post("/users/")
+async def create_user(user: UserCreate):
+    user_id = await UserRepository.create_user(user)
+    return {"user_id": user_id}
 
-@router.post("")
-async def add_task(
-        task: Annotated[STaskAdd, Depends()],
-) -> STaskId:
-    task_id = await TaskRepository.add_one(task)
-    return {"ok": True, "task_id": task_id}
+# Загрузка CSV файла
+@router.post("/upload/csv/")
+async def upload_csv(user_id: int = Form(...), file: UploadFile = File(...)):
+    file_path = os.path.join(UPLOAD_FOLDER_CSV, file.filename)
+    with open(file_path, "wb") as buffer:
+        shutil.copyfileobj(file.file, buffer)
 
+    await CSVFileRepository.upload_file(user_id=user_id, file_path=file_path)
+    return {"message": "CSV файл загружен", "file_path": file_path}
 
-@router.get("")
-async def get_tasks() -> list[STask]:
-    tasks = await TaskRepository.find_all()
-    return tasks
+# Загрузка H5 модели
+@router.post("/upload/h5/")
+async def upload_h5_model(user_id: int = Form(...), file: UploadFile = File(...)):
+    file_path = os.path.join(UPLOAD_FOLDER_MODELS, file.filename)
+    with open(file_path, "wb") as buffer:
+        shutil.copyfileobj(file.file, buffer)
+
+    await H5ModelRepository.add_model(user_id=user_id, model_path=file_path)
+    return {"message": "H5 модель загружена", "file_path": file_path}
+
+# Добавление статистики модели
+@router.post("/models/statistics/")
+async def add_model_statistics(stats: ModelStatisticsCreate):
+    await ModelStatisticsRepository.add_statistics(stats)
+    return {"message": "Статистика модели сохранена"}
diff --git a/fastapi-app/schemas.py b/fastapi-app/schemas.py
index 3918fcb..31f261a 100644
--- a/fastapi-app/schemas.py
+++ b/fastapi-app/schemas.py
@@ -1,19 +1,23 @@
+from pydantic import BaseModel
+from datetime import datetime
 from typing import Optional
 
-from pydantic import BaseModel, ConfigDict
+# UserCreate: для создания пользователя
+class UserCreate(BaseModel):
+    username: str
+    password: str
 
+# CSVFileUpload: для загрузки CSV файла
+class CSVFileUpload(BaseModel):
+    file_path: str
 
-class STaskAdd(BaseModel):
-    name: str
-    description: Optional[str] = None
+# H5ModelCreate: для добавления модели
+class H5ModelCreate(BaseModel):
+    model_path: str
 
-
-class STask(STaskAdd):
-    id: int
-
-    model_config = ConfigDict(from_attributes=True)
-
-
-class STaskId(BaseModel):
-    ok: bool = True
-    task_id: int
+# ModelStatisticsCreate: для сохранения статистики модели
+class ModelStatisticsCreate(BaseModel):
+    model_id: int
+    accuracy: float
+    loss: float
+    created_at: Optional[datetime] = None