Add presets routes, schema, model helper functions

creates the following:
models/presets.py: create_preset, get_user_presets, get_preset
routes/presets.py: GET /, GET list/, POST /add
schemas/presets.py: PresetSchema

Signed-off-by: Vallari Agrawal <[email protected]>

Author: VallariAg

Diff for: src/main.py

@@ -3,7 +3,7 @@
 from fastapi import FastAPI, Request
 from fastapi.middleware.cors import CORSMiddleware
 from starlette.middleware.sessions import SessionMiddleware
-from routes import suite, kill, login, logout
+from routes import suite, kill, login, logout, presets
 from dotenv import load_dotenv
 
 load_dotenv()
@@ -37,3 +37,4 @@ def read_root(request: Request):
 app.include_router(kill.router)
 app.include_router(login.router)
 app.include_router(logout.router)
+app.include_router(presets.router)

Diff for: src/models/presets.py

@@ -1,5 +1,7 @@
 from sqlalchemy import Column, Integer, String, UniqueConstraint
+from sqlalchemy.orm import Session
 from . import Base
+from schemas.presets import PresetSchema
 
 class Presets(Base):
     __tablename__ = 'presets'
@@ -12,3 +14,16 @@ class Presets(Base):
     __table_args__ = (
         UniqueConstraint("username", "name"),
     )
+
+def create_preset(db: Session, preset: PresetSchema):
+    new_preset = Presets(**preset.model_dump())
+    db.add(new_preset)
+    db.commit()
+    db.refresh(new_preset)
+    return new_preset
+
+def get_user_presets(db: Session, username: str):
+    return db.query(Presets).filter(Presets.username == username).all()
+
+def get_preset(db: Session, username: str, preset_name: str):
+    return db.query(Presets).filter(Presets.username == username, Presets.name == preset_name).first()

Diff for: src/routes/presets.py

@@ -0,0 +1,30 @@
+from fastapi import APIRouter, HTTPException, Depends
+from models import get_db
+from models.presets import get_preset, get_user_presets, create_preset
+from schemas.presets import PresetSchema
+from sqlalchemy.orm import Session
+import logging
+
+log = logging.getLogger(__name__)
+
+router = APIRouter(
+    prefix="/presets",
+    tags=["presets"],
+)
+
+@router.get("/", status_code=200)
+def read_preset(username: str, name: str, db: Session = Depends(get_db)):
+    db_preset = get_preset(db, username, name)
+    return db_preset
+
+@router.get("/list", status_code=200)
+def read_preset(username: str, db: Session = Depends(get_db)):
+    db_presets = get_user_presets(db, username)
+    return db_presets
+
+@router.post("/add", status_code=200, response_model=PresetSchema)
+def add_preset(preset: PresetSchema, db: Session = Depends(get_db)):
+    db_preset = get_preset(db, username=preset.username, preset_name=preset.name)
+    if db_preset:
+        raise HTTPException(status_code=400, detail=f"Preset '{preset.name}' already exists.")
+    return create_preset(db, preset)

Diff for: src/schemas/presets.py

@@ -0,0 +1,13 @@
+from pydantic import BaseModel, Field
+from typing import Union
+
+
+class PresetSchema(BaseModel):
+    # pylint: disable=too-few-public-methods
+    """
+    Class for Base Args.
+    """
+    username: Union[str, None] = Field(default=None)
+    name: Union[str, None] = Field(default=None)
+    suite: Union[str, None] = Field(default=None)
+    cmd: Union[str, None] = Field(default=None)