Add migrations

alembic.ini

@@ -5,7 +5,7 @@
 # this is typically a path given in POSIX (e.g. forward slashes)
 # format, relative to the token %(here)s which refers to the location of this
 # ini file
-script_location = %(here)s/alembic
+script_location = alembic
 
 # template used to generate migration file names; The default value is %%(rev)s_%%(slug)s
 # Uncomment the line below if you want the files to be prepended with date and time
@@ -16,7 +16,7 @@ script_location = %(here)s/alembic
 # sys.path path, will be prepended to sys.path if present.
 # defaults to the current working directory.  for multiple paths, the path separator
 # is defined by "path_separator" below.
-prepend_sys_path = .
+prepend_sys_path = src
 
 
 # timezone to use when rendering the date within the migration file
@@ -84,7 +84,7 @@ path_separator = os
 # database URL.  This is consumed by the user-maintained env.py script only.
 # other means of configuring database URLs may be customized within the env.py
 # file.
-sqlalchemy.url = postgresql+asyncpg://chart_analyzer_user:chartanalyzer13@localhost:5432/chart_analyzer
+sqlalchemy.url = "postgresql+psycopg://chart_analyzer_user:chartanalyzer13@localhost:5432/chart_analyzer"
 
 
 [post_write_hooks]

alembic/env.py

 # alembic/env.py
 from logging.config import fileConfig
+
+from sqlalchemy import engine_from_config
 from sqlalchemy import pool
 from sqlalchemy.engine import Connection
 from sqlalchemy.ext.asyncio import create_async_engine, AsyncEngine
 from alembic import context
-import asyncio
-import sys
-import os
 
-# Add the project root to sys.path to import your models
-project_root = os.path.abspath(os.path.join(os.path.dirname(__file__), '..'))
-if project_root not in sys.path:
-    sys.path.insert(0, project_root)
+import os
+import sys
 
-# Import your Base from your app
-from src.infrastructure.adapters.sqlserver import Base
+# Add the project root directory to the Python path
+sys.path.insert(0, os.path.abspath(os.path.join(os.path.dirname(__file__), '..')))
+# Import your settings and models
+from src.config import settings
+from src.infrastructure.adapters.sqlserver.models import Base
 
 # ------------------------------
 # Configure Alembic
 # ------------------------------
 config = context.config
 
-# Setup logging (if you have it in alembic.ini)
+# Setup logging
 if config.config_file_name is not None:
     fileConfig(config.config_file_name)
 
 # Set target metadata for autogenerate
 target_metadata = Base.metadata
 
+# Set the database URL from settings
+config.set_main_option('sqlalchemy.url', settings.DATABASE_URL)
+url = config.get_main_option("sqlalchemy.url")
 
 # ------------------------------
-# Offline Mode (no DB connection)
+# Offline Mode
 # ------------------------------
 def run_migrations_offline() -> None:
     """Run migrations in 'offline' mode."""
-    url = config.get_main_option("sqlalchemy.url")
     context.configure(
         url=url,
         target_metadata=target_metadata,
         literal_binds=True,
         dialect_opts={"paramstyle": "named"},
-        compare_type=True,
-        compare_server_default=True,
     )
 
     with context.begin_transaction():
@@ -49,37 +49,27 @@ def run_migrations_offline() -> None:
 
 
 # ------------------------------
-# Online Mode (with async engine)
+# Online Mode (with sync engine)
 # ------------------------------
-async def run_async_migrations() -> None:
-    """Create and run async migrations."""
-    connectable: AsyncEngine = create_async_engine(
-        config.get_main_option("sqlalchemy.url"),
+def run_migrations_online() -> None:
+    """Run migrations in 'online' mode."""
+    connectable = engine_from_config(
+        config.get_section(config.config_ini_section, {}),
+        prefix="sqlalchemy.",
         poolclass=pool.NullPool,
     )
 
-    async with connectable.connect() as connection:
-        # ✅ Correct: Configure context inside run_sync
-        await connection.run_sync(lambda conn: context.configure(
-            connection=conn,
-            target_metadata=target_metadata,
-            compare_type=True,
-            compare_server_default=True,
-        ))
-
-        # ✅ Correct: Wrap run_migrations in lambda to avoid extra arg
-        await connection.run_sync(lambda conn: context.run_migrations())
-
-    await connectable.dispose()
+    with connectable.connect() as connection:
+        context.configure(
+            connection=connection, target_metadata=target_metadata
+        )
 
-
-def run_migrations_online() -> None:
-    """Run migrations in 'online' mode."""
-    asyncio.run(run_async_migrations())
+        with context.begin_transaction():
+            context.run_migrations()
 
 
 # ------------------------------
-# Choose mode
+# Run the appropriate mode
 # ------------------------------
 if context.is_offline_mode():
     run_migrations_offline()

alembic/versions/b052cb31f4a8_initial_migration.py

+"""Initial migration
+
+Revision ID: b052cb31f4a8
+Revises: 
+Create Date: 2025-07-23 08:29:32.710203
+
+"""
+from typing import Sequence, Union
+
+from alembic import op
+import sqlalchemy as sa
+
+
+# revision identifiers, used by Alembic.
+revision: str = 'b052cb31f4a8'
+down_revision: Union[str, Sequence[str], None] = None
+branch_labels: Union[str, Sequence[str], None] = None
+depends_on: Union[str, Sequence[str], None] = None
+
+
+def upgrade() -> None:
+    """Upgrade schema."""
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.create_table('users',
+    sa.Column('id', sa.UUID(), nullable=False),
+    sa.Column('email', sa.String(length=255), nullable=False),
+    sa.Column('password_hash', sa.String(length=255), nullable=False),
+    sa.Column('is_active', sa.Boolean(), nullable=True),
+    sa.Column('created_at', sa.DateTime(timezone=True), server_default=sa.text('now()'), nullable=True),
+    sa.Column('last_login', sa.DateTime(timezone=True), nullable=True),
+    sa.PrimaryKeyConstraint('id'),
+    sa.UniqueConstraint('email')
+    )
+    op.create_table('chart_images',
+    sa.Column('id', sa.UUID(), nullable=False),
+    sa.Column('user_id', sa.UUID(), nullable=False),
+    sa.Column('image_data', sa.LargeBinary(), nullable=False),
+    sa.Column('uploaded_at', sa.DateTime(timezone=True), server_default=sa.text('now()'), nullable=True),
+    sa.ForeignKeyConstraint(['user_id'], ['users.id'], ),
+    sa.PrimaryKeyConstraint('id')
+    )
+    op.create_table('chart_analyses',
+    sa.Column('id', sa.UUID(), nullable=False),
+    sa.Column('chart_image_id', sa.UUID(), nullable=False),
+    sa.Column('question', sa.Text(), nullable=False),
+    sa.Column('answer', sa.Text(), nullable=False),
+    sa.Column('created_at', sa.DateTime(timezone=True), server_default=sa.text('now()'), nullable=True),
+    sa.ForeignKeyConstraint(['chart_image_id'], ['chart_images.id'], ),
+    sa.PrimaryKeyConstraint('id')
+    )
+    # ### end Alembic commands ###
+
+
+def downgrade() -> None:
+    """Downgrade schema."""
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.drop_table('chart_analyses')
+    op.drop_table('chart_images')
+    op.drop_table('users')
+    # ### end Alembic commands ###

main.py

+from fastapi import FastAPI
+from src.infrastructure.api.fastapi.routes import auth, charts
+
+app = FastAPI(
+    title="Chart Analyzer API",
+    description="API for analyzing charts and managing users.",
+    version="1.0.0",
+)
+
+app.include_router(auth.router, prefix="/auth")
+app.include_router(charts.router, prefix="/charts")
+
+@app.get("/")
+async def root():
+    return {"message": "Welcome to Chart Analyzer"}

src/__init__.py

+from .config import Settings
\ No newline at end of file

src/application/dtos/__init__.py

-from authentication import (
+from .authentication import (
     RegisterRequestDTO,
     LoginRequestDTO,
     UserResponseDTO,
     TokenResponseDTO
 )
 
-from analysis import AnalysisRequestDTO, AnalysisResponseDTO
\ No newline at end of file
+from .analysis import AnalysisRequestDTO, AnalysisResponseDTO
\ No newline at end of file

src/application/ports/authentication_service_port.py

 
 from abc import ABC, abstractmethod
-from domain.entities.user import User
-from application.dtos.authentication import (
-    RegisterRequest,
-    LoginRequest,
-    UserResponse,
-    TokenResponse
+from src.domain.entities.user import User
+from src.application.dtos.authentication import (
+    RegisterRequestDTO,
+    LoginRequestDTO,
+    UserResponseDTO,
+    TokenResponseDTO
 )
 
-
-# src/domain/ports/auth_service.py
 class AuthServicePort(ABC):
     @abstractmethod
-    async def register(self, request: RegisterRequest) -> UserResponse: ...
+    async def register(self, email, password) -> User: ...
     
     @abstractmethod
-    async def login(self, request: LoginRequest) -> TokenResponse:  # Returns JWT
-        ...
\ No newline at end of file
+    async def login(self, email, password) -> str: ...
\ No newline at end of file

src/application/services/authentication_service.py

@@ -2,15 +2,15 @@
 from datetime import datetime, timezone, timedelta
 from jose import jwt
 from passlib.context import CryptContext
-from domain.ports import UserRepositoryPort 
-from domain.entities.user import User
+from src.domain.ports.repositories.user_repository import UserRepositoryPort
+from src.domain.entities.user import User
 import uuid
-from application.ports import AuthServicePort
-from application.dtos.authentication import (
-    RegisterRequest,
-    LoginRequest,
-    UserResponse,
-    TokenResponse
+from src.application.ports.authentication_service_port import AuthServicePort
+from src.application.dtos.authentication import (
+    RegisterRequestDTO,
+    LoginRequestDTO,
+    UserResponseDTO,
+    TokenResponseDTO
 )
 
 class AuthService(AuthServicePort):
@@ -27,27 +27,24 @@ class AuthService(AuthServicePort):
         self._expires_minutes = expires_minutes
         self._pwd_context = CryptContext(schemes=["bcrypt"], deprecated="auto")
 
-    async def register(self, request: RegisterRequest) -> UserResponse:
-        if await self._user_repo.get_by_email(request.email):
+    async def register(self, email, password) -> User:
+        if await self._user_repo.get_by_email(email):
             raise ValueError("Email already registered")
         
         user = User(
             id=str(uuid.uuid4()),
-            email=request.email,
-            password_hash=self._hash_password(request.password)
+            email=email,
+            password_hash=self._hash_password(password)
         )
         await self._user_repo.create_user(user)
-        return self._user_to_dto(user)
+        return user
 
-    async def login(self, request: LoginRequest) -> TokenResponse:
-        user = await self._user_repo.get_by_email(request.email)
-        if not user or not self._verify_password(request.password, user.password_hash):
+    async def login(self, email, password) -> str:
+        user = await self._user_repo.get_by_email(email)
+        if not user or not self._verify_password(password, user.password_hash):
             raise ValueError("Invalid credentials")
         
-        return TokenResponse(
-            access_token=self._create_access_token(user.email),
-            token_type="bearer"
-        )
+        return self._create_access_token(user.email)
 
     def _hash_password(self, password: str) -> str:
         return self._pwd_context.hash(password)
@@ -63,8 +60,8 @@ class AuthService(AuthServicePort):
             algorithm=self._algorithm
         )
 
-    def _user_to_dto(self, user: User) -> UserResponse:
-        return UserResponse(
+    def _user_to_dto(self, user: User) -> UserResponseDTO:
+        return UserResponseDTO(
             id=user.id,
             email=user.email,
             is_active=user.is_active

src/application/use_cases/upload_chart.py

-from domain.entities import ChartImage
-from domain.ports import ChartsRepositoryPort
+from src.domain.entities.chart_image import ChartImage
+from src.domain.ports.repositories.charts_repository import ChartsRepositoryPort
 import uuid
 
 class UploadChartUseCase:
@@ -12,4 +12,5 @@ class UploadChartUseCase:
             user_id=user_id,
             image_data=image_bytes
         )
-        return self._image_repo.save(chart_image)  # Returns image ID
\ No newline at end of file
+        self._image_repo.save(chart_image)
+        return chart_image.id
\ No newline at end of file

src/config.py

+# src/config.py
+from pydantic import ConfigDict
 from pydantic_settings import BaseSettings
 
 class Settings(BaseSettings):
-    DATABASE_URL: str = "postgresql+asyncpg://chart_analyzer_user:chartanalyzer13@localhost:5432/chart_analyzer"
+    DATABASE_URL: str = "postgresql+psycopg://chart_analyzer_user:chartanalyzer13@localhost:5432/chart_analyzer"
     JWT_SECRET: str = "a_very_secret_key"
     JWT_ALGORITHM: str = "HS256"
     JWT_EXPIRE_MINUTES: int = 30
 
-    class Config:
-        env_file = ".env"
-        env_file_encoding = "utf-8"
+    # Use model_config instead of inner Config class
+    model_config = ConfigDict(
+        env_file=".env",
+        env_file_encoding="utf-8",
+        extra="ignore"  # or "allow" if you want to allow extra fields
+    )
 
 settings = Settings()
\ No newline at end of file

src/dependencies.py

@@ -2,10 +2,13 @@ from fastapi import Depends
 from typing import AsyncGenerator
 from sqlalchemy.ext.asyncio import create_async_engine, AsyncSession
 from sqlalchemy.orm import sessionmaker
-from application.services import AuthService
-from domain.ports import UserRepositoryPort
-from infrastructure.adapters.sqlserver.sql_user_repository import SqlUserRepository
-from config import settings
+from src.application.services.authentication_service import AuthService
+from src.application.use_cases.upload_chart import UploadChartUseCase
+from src.domain.ports.repositories.user_repository import UserRepositoryPort
+from src.domain.ports.repositories.charts_repository import ChartsRepositoryPort
+from src.infrastructure.adapters.sqlserver.sql_user_repository import SqlUserRepository
+from src.infrastructure.adapters.sqlserver.sql_charts_repository import SqlChartsRepository
+from src.config import settings
 
 engine = create_async_engine(settings.DATABASE_URL, echo=True)
 AsyncSessionLocal = sessionmaker(engine, class_=AsyncSession, expire_on_commit=False)
@@ -18,6 +21,9 @@ async def get_db_session() -> AsyncGenerator[AsyncSession, None]:
 def get_user_repository(session: AsyncSession = Depends(get_db_session)) -> UserRepositoryPort:
     return SqlUserRepository(session)
 
+def get_charts_repository(session: AsyncSession = Depends(get_db_session)) -> ChartsRepositoryPort:
+    return SqlChartsRepository(session)
+
 def get_auth_service(
     user_repo: UserRepositoryPort = Depends(get_user_repository),
 ) -> AuthService:
@@ -26,4 +32,7 @@ def get_auth_service(
         secret_key=settings.JWT_SECRET,
         algorithm=settings.JWT_ALGORITHM,
         expires_minutes=settings.JWT_EXPIRE_MINUTES,
-    )
\ No newline at end of file
+    )
+
+def get_upload_use_case(charts_repo: ChartsRepositoryPort = Depends(get_charts_repository)) -> UploadChartUseCase:
+    return UploadChartUseCase(charts_repo)
\ No newline at end of file

src/domain/ports/repositories/analysis_repository.py

 from abc import ABC, abstractmethod
-from domain.entities import ChartAnalysis
+from src.domain.entities import ChartAnalysis
 
 class AnalysisRepositoryPort(ABC):
     @abstractmethod

src/domain/ports/repositories/charts_repository.py

 from abc import ABC, abstractmethod
-from domain.entities import ChartImage
+from src.domain.entities.chart_image import ChartImage
 
 class ChartsRepositoryPort(ABC):
     @abstractmethod

src/domain/ports/repositories/user_repository.py

 from abc import ABC, abstractmethod
-from domain.entities.user import User
+from src.domain.entities.user import User
 
 class UserRepositoryPort(ABC):
     @abstractmethod

src/infrastructure/adapters/auth/jwt_token_generator.py

+from jose import jwt
+from datetime import datetime, timedelta
+from src.config import settings
+
+class JwtTokenGenerator:
+    def create_token(self, user_id: int) -> str:
+        payload = {
+            "sub": str(user_id),
+            "exp": datetime.utcnow() + timedelta(minutes=settings.JWT_EXPIRE_MINUTES)
+        }
+        return jwt.encode(payload, settings.JWT_SECRET, algorithm=settings.JWT_ALGORITHM)
+
+    def decode_token(self, token: str) -> int:
+        payload = jwt.decode(token, settings.JWT_SECRET, algorithms=[settings.JWT_ALGORITHM])
+        return int(payload["sub"])
\ No newline at end of file

src/infrastructure/adapters/sqlserver/models.py

 # src/infrastructure/database/models.py
 from sqlalchemy import Column, String, Boolean, DateTime, LargeBinary, ForeignKey, Text
 from sqlalchemy.sql import func
-from sqlalchemy.dialects.mssql import UNIQUEIDENTIFIER  # For SQL Server UUID
-from sqlalchemy.ext.declarative import declarative_base
+from sqlalchemy.orm import declarative_base
 from sqlalchemy.orm import relationship
+from sqlalchemy.dialects.postgresql import UUID
+import uuid
 
 # 1. Create a Base class that all your models will inherit from.
 Base = declarative_base()
@@ -11,7 +12,7 @@ Base = declarative_base()
 class User(Base):
     __tablename__ = 'users'
     
-    id = Column(UNIQUEIDENTIFIER, primary_key=True, server_default=func.newid())
+    id = Column(UUID(as_uuid=True), primary_key=True, default=uuid.uuid4)
     email = Column(String(255), unique=True, nullable=False)
     password_hash = Column(String(255), nullable=False)  # Store only hashed passwords
     is_active = Column(Boolean, default=True)
@@ -27,8 +28,8 @@ class User(Base):
 class ChartImage(Base):
     __tablename__ = 'chart_images'
     
-    id = Column(UNIQUEIDENTIFIER, primary_key=True, server_default=func.newid())
-    user_id = Column(UNIQUEIDENTIFIER, ForeignKey('users.id'), nullable=False)
+    id = Column(UUID(as_uuid=True), primary_key=True, default=uuid.uuid4)
+    user_id = Column(UUID(as_uuid=True), ForeignKey('users.id'), nullable=False)
     image_data = Column(LargeBinary, nullable=False)  # For storing binary data
     uploaded_at = Column(DateTime(timezone=True), server_default=func.now())
     
@@ -41,8 +42,8 @@ class ChartImage(Base):
 class ChartAnalysis(Base):
     __tablename__ = 'chart_analyses'
     
-    id = Column(UNIQUEIDENTIFIER, primary_key=True, server_default=func.newid())
-    chart_image_id = Column(UNIQUEIDENTIFIER, ForeignKey('chart_images.id'), nullable=False)
+    id = Column(UUID(as_uuid=True), primary_key=True, default=uuid.uuid4)
+    chart_image_id = Column(UUID(as_uuid=True), ForeignKey('chart_images.id'), nullable=False)
     question = Column(Text, nullable=False)
     answer = Column(Text, nullable=False)
     created_at = Column(DateTime(timezone=True), server_default=func.now())

src/infrastructure/adapters/sqlserver/sql_analysis_repository.py

 from sqlalchemy import create_engine
-from domain.ports import AnalysisRepositoryPort
-from domain.entities import ChartAnalysis, ChartImage
+from src.domain.ports import AnalysisRepositoryPort
+from src.domain.entities import ChartAnalysis, ChartImage
 class SqlAnalysisRepository(AnalysisRepositoryPort):
     def __init__(self, connection_string: str):
         self._engine = create_engine(connection_string)

src/infrastructure/adapters/sqlserver/sql_charts_repository.py

 from sqlalchemy import create_engine
-from domain.ports import ChartsRepositoryPort
-from domain.entities import ChartImage
+from src.domain.ports.repositories.charts_repository import ChartsRepositoryPort
+from src.domain.entities.chart_image import ChartImage
+from sqlalchemy.orm import Session
 
 class SqlChartsRepository(ChartsRepositoryPort):
-    def __init__(self, connection_string: str):
-        self._engine = create_engine(connection_string)
+    def __init__(self, session: Session):
+        self._session = session
 
     def save(self, image: ChartImage) -> str:
-        with self._engine.connect() as conn:
-            conn.execute(
-                "INSERT INTO Charts (Id, UserId, ImageData, UploadedAt) "
-                "VALUES (?, ?, ?, ?)",
-                (image.id, image.user_id, image.image_data, image.uploaded_at)
-            )
-            conn.commit()
-        return image.id  # Return the ID instead of a file path
\ No newline at end of file
+        self._session.add(image)
+        self._session.commit()
+        return image.id
\ No newline at end of file

src/infrastructure/adapters/sqlserver/sql_user_repository.py

 # src/infrastructure/adapters/sql_user_repository.py
 from sqlalchemy import select
-from domain.ports import UserRepositoryPort
-from domain.entities.user import User
+from src.domain.ports import UserRepositoryPort
+from src.domain.entities.user import User
 from sqlalchemy.ext.asyncio import AsyncSession
 from pydantic import EmailStr
 

src/infrastructure/api/fastapi/routes.py

-from fastapi import APIRouter, UploadFile, File, Depends
-from application.use_cases.upload_chart import UploadChartUseCase
-
-from fastapi import APIRouter, Depends, HTTPException, status
-from application.dtos import RegisterRequestDTO, LoginRequestDTO, TokenResponseDTO
-from application.ports import AuthServicePort
-from dependencies import get_auth_service, get_upload_use_case
-router = APIRouter(tags=["auth"])
-
-@router.post("/register", status_code=status.HTTP_201_CREATED)
-async def register(
-    request: RegisterRequestDTO,
-    auth_service: AuthServicePort = Depends(get_auth_service)
-):
-    try:
-        user = await auth_service.register(request.email, request.password)
-        return {"id": user.id, "email": user.email}
-    except ValueError as e:
-        raise HTTPException(status_code=400, detail=str(e))
-
-@router.post("/login", response_model=TokenResponseDTO)
-async def login(
-    request: LoginRequestDTO,
-    auth_service: AuthServicePort = Depends(get_auth_service)
-):
-    try:
-        token = await auth_service.login(request.email, request.password)
-        return {"access_token": token, "token_type": "bearer"}
-    except ValueError as e:
-        raise HTTPException(status_code=401, detail=str(e))
-
-@router.post("/upload")
-async def upload_chart(
-    file: UploadFile = File(...),
-    use_case: UploadChartUseCase = Depends(get_upload_use_case)
-) -> dict:
-    image_bytes = await file.read()
-    image_id = use_case.execute(image_bytes, "user123")  # Replace with real user ID
-    return {"image_id": image_id}
\ No newline at end of file

src/infrastructure/api/fastapi/routes/auth.py

-# src/infrastructure/api/fastapi/routes/auth.py
 from fastapi import APIRouter, Depends, HTTPException, status
-from application.dtos.authentication import RegisterRequest, LoginRequest, TokenResponse, UserResponse
-from application.services import AuthService
-from dependencies import get_auth_service
+from src.application.dtos.authentication import RegisterRequestDTO, LoginRequestDTO, TokenResponseDTO
+from src.application.ports.authentication_service_port import AuthServicePort
+from src.dependencies import get_auth_service
 
 router = APIRouter(tags=["auth"])
 
-@router.post("/register", response_model=UserResponse, status_code=status.HTTP_201_CREATED)
+@router.post("/register", status_code=status.HTTP_201_CREATED)
 async def register(
-    request: RegisterRequest,
-    auth_service: AuthService = Depends(get_auth_service),
+    request: RegisterRequestDTO,
+    auth_service: AuthServicePort = Depends(get_auth_service)
 ):
     try:
-        return await auth_service.register(request)
+        user = await auth_service.register(request.email, request.password)
+        return {"id": user.id, "email": user.email}
     except ValueError as e:
-        raise HTTPException(status_code=status.HTTP_400_BAD_REQUEST, detail=str(e))
+        raise HTTPException(status_code=400, detail=str(e))
 
-@router.post("/login", response_model=TokenResponse)
+@router.post("/login", response_model=TokenResponseDTO)
 async def login(
-    request: LoginRequest,
-    auth_service: AuthService = Depends(get_auth_service),
+    request: LoginRequestDTO,
+    auth_service: AuthServicePort = Depends(get_auth_service)
 ):
     try:
-        return await auth_service.login(request)
+        token = await auth_service.login(request.email, request.password)
+        return {"access_token": token, "token_type": "bearer"}
     except ValueError as e:
-        raise HTTPException(
-            status_code=status.HTTP_401_UNAUTHORIZED,
-            detail=str(e),
-            headers={"WWW-Authenticate": "Bearer"},
-        )
\ No newline at end of file
+        raise HTTPException(status_code=401, detail=str(e))
\ No newline at end of file

src/infrastructure/api/fastapi/routes/charts.py

+from fastapi import APIRouter, UploadFile, File, Depends
+from src.application.use_cases.upload_chart import UploadChartUseCase
+from src.dependencies import get_upload_use_case
+
+router = APIRouter()
+
+@router.post("/upload")
+async def upload_chart(
+    file: UploadFile = File(...),
+    use_case: UploadChartUseCase = Depends(get_upload_use_case)
+) -> dict:
+    image_bytes = await file.read()
+    image_id = use_case.execute(image_bytes, "user123")
+    return {"image_id": image_id}
\ No newline at end of file

src/infrastructure/persistence/database.py

@@ -25,44 +25,3 @@ async def get_db() -> AsyncGenerator[AsyncSession, None]:
             yield session
         finally:
             await session.close()
-
-
-chart_analyzer/                  # Project root
-├── docker-compose.yml
-├── Dockerfile
-├── generate.sh
-├── requirements.txt
-├── alembic.ini                 # ✅ At root
-├── alembic/                    # ✅ At root
-│   ├── versions/
-│   ├── env.py
-│   └── script.py.mako
-│
-├── src/                        # ✅ Only one src
-│   ├── application/            # Use cases, services
-│   ├── domain/                 # Entities, business logic
-│   ├── infrastructure/         # DB, adapters, external services
-│   │   ├── adapters/
-│   │   │   ├── sqlmodel.py     # Your Base, models
-│   │   │   └── __init__.py
-│   │   └── persistence/        # DB session, engine
-│   │       ├── database.py
-│   │       └── __init__.py
-│   ├── presentation/           # FastAPI routers, DTOs
-│   │   ├── api/
-│   │   │   ├── v1/
-│   │   │   │   ├── users.py
-│   │   │   │   └── charts.py
-│   │   │   └── __init__.py
-│   │   └── __init__.py
-│   ├── main.py                 # FastAPI app factory
-│   └── config.py               # Config, settings
-│
-├── tests/
-│   ├── unit/
-│   ├── integration/
-│   └── conftest.py
-│
-├── .env
-├── .gitignore
-└── README.md
\ No newline at end of file

src/main.py

-from fastapi import FastAPI
-from infrastructure.api.fastapi.routes import auth
-
-app = FastAPI(
-    title="Chart Analyzer API",
-    description="API for analyzing charts and managing users.",
-    version="1.0.0",
-)
-
-app.include_router(auth.router, prefix="/auth")
-
-@app.get("/")
-async def root():
-    return {"message": "Welcome to Chart Analyzer"}