Add project setup some models and a test

src/allmende_payment_system/app.py

@@ -1,11 +1,16 @@
 # backend/app/main.py
 from fastapi import FastAPI, Request
-from fastapi.templating import Jinja2Templates
 from fastapi.staticfiles import StaticFiles
+from fastapi.templating import Jinja2Templates
 
 app = FastAPI()
 templates = Jinja2Templates(directory="src/allmende_payment_system/templates")
-app.mount("/static", StaticFiles(directory="src/allmende_payment_system/static"), name="static")
+app.mount(
+    "/static",
+    StaticFiles(directory="src/allmende_payment_system/static"),
+    name="static",
+)
+
 
 @app.get("/")
 async def landing_page(request: Request):

src/allmende_payment_system/database.py

@@ -0,0 +1,6 @@
+from sqlalchemy import create_engine
+from sqlalchemy.orm import sessionmaker
+
+SQLALCHEMY_DATABASE_URL = "sqlite:///./aps_db.db"
+engine = create_engine(SQLALCHEMY_DATABASE_URL)
+SessionLocal = sessionmaker(autocommit=False, autoflush=False, bind=engine)

src/allmende_payment_system/models.py

@@ -0,0 +1,39 @@
+from sqlalchemy import Column, ForeignKey, Table
+from sqlalchemy.orm import DeclarativeBase, Mapped, mapped_column, relationship
+
+TABLE_PREFIX = "aps_"
+
+
+class Base(DeclarativeBase):
+    pass
+
+
+class Account(Base):
+    __tablename__ = TABLE_PREFIX + "account"
+    id: Mapped[int] = mapped_column(primary_key=True, autoincrement=True)
+    name: Mapped[str] = mapped_column(nullable=False, unique=True)
+
+    users: Mapped[list["User"]] = relationship(
+        "User",
+        secondary=TABLE_PREFIX + "user_account_association",
+        back_populates="accounts",
+    )
+
+
+user_account_association = Table(
+    TABLE_PREFIX + "user_account_association",
+    Base.metadata,
+    Column("user_id", ForeignKey(TABLE_PREFIX + "user.id"), primary_key=True),
+    Column("account_id", ForeignKey(TABLE_PREFIX + "account.id"), primary_key=True),
+)
+
+
+class User(Base):
+    __tablename__ = TABLE_PREFIX + "user"
+    id: Mapped[int] = mapped_column(primary_key=True, autoincrement=True)
+    username: Mapped[str] = mapped_column(nullable=False, unique=True)
+    display_name: Mapped[str] = mapped_column(nullable=False)
+
+    accounts: Mapped[list["Account"]] = relationship(
+        "Account", secondary=user_account_association, back_populates="users"
+    )

src/allmende_payment_system/templates/base.html.jinja

@@ -15,7 +15,7 @@
             <div class="col-md-3 col-lg-2 p-0 sidebar">
                 <div class="d-flex flex-column p-3">
                     <a href="/" class="navbar-brand d-flex align-items-center mb-4">
-                        <img src="https://via.placeholder.com/40" alt="Logo" class="me-2">
+                        <img src="/static/img/Logo.png" alt="Logo" class="me-2">
                         <span class="fs-4">APS</span>
                     </a>
                     <ul class="nav nav-pills flex-column mb-auto">