commit ace2167ebd12032adf7a52061272e131d396e20e
Author: vogonwann <ivan@janjic.lol>
Date:   Sat Jan 31 17:49:36 2026 +0100

    Initial commit

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diff --git a/crud.py b/crud.py
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--- /dev/null
+++ b/crud.py
@@ -0,0 +1,125 @@
+from datetime import date
+from typing import List, Optional
+
+from sqlalchemy import and_, desc, select
+from sqlalchemy.orm import Session
+
+from models import Project, WorkLogEntry
+
+
+def create_project(db: Session, name: str, description: Optional[str]) -> Project:
+    project = Project(name=name, description=description)
+    db.add(project)
+    db.commit()
+    db.refresh(project)
+    return project
+
+
+def get_project(db: Session, project_id: int) -> Optional[Project]:
+    return db.get(Project, project_id)
+
+
+def get_project_by_name(db: Session, name: str) -> Optional[Project]:
+    stmt = select(Project).where(Project.name == name)
+    return db.execute(stmt).scalars().first()
+
+
+def list_projects(db: Session, limit: int, offset: int) -> List[Project]:
+    stmt = select(Project).order_by(desc(Project.id)).limit(limit).offset(offset)
+    return db.execute(stmt).scalars().all()
+
+
+def update_project(
+    db: Session,
+    project: Project,
+    name: Optional[str],
+    description: Optional[str],
+) -> Project:
+    if name is not None:
+        project.name = name
+    if description is not None:
+        project.description = description
+    db.commit()
+    db.refresh(project)
+    return project
+
+
+def delete_project(db: Session, project: Project) -> None:
+    db.delete(project)
+    db.commit()
+
+
+def create_work_log(
+    db: Session,
+    project_id: int,
+    log_date: date,
+    hours: float,
+    description: str,
+) -> WorkLogEntry:
+    entry = WorkLogEntry(
+        project_id=project_id,
+        date=log_date,
+        hours=hours,
+        description=description,
+    )
+    db.add(entry)
+    db.commit()
+    db.refresh(entry)
+    return entry
+
+
+def get_work_log(db: Session, log_id: int) -> Optional[WorkLogEntry]:
+    return db.get(WorkLogEntry, log_id)
+
+
+def list_work_logs(db: Session, limit: int, offset: int) -> List[WorkLogEntry]:
+    stmt = (
+        select(WorkLogEntry)
+        .order_by(desc(WorkLogEntry.date), desc(WorkLogEntry.id))
+        .limit(limit)
+        .offset(offset)
+    )
+    return db.execute(stmt).scalars().all()
+
+
+def list_work_logs_by_range(
+    db: Session,
+    start_date: date,
+    end_date: date,
+    limit: int,
+    offset: int,
+) -> List[WorkLogEntry]:
+    stmt = (
+        select(WorkLogEntry)
+        .where(and_(WorkLogEntry.date >= start_date, WorkLogEntry.date <= end_date))
+        .order_by(desc(WorkLogEntry.date), desc(WorkLogEntry.id))
+        .limit(limit)
+        .offset(offset)
+    )
+    return db.execute(stmt).scalars().all()
+
+
+def update_work_log(
+    db: Session,
+    entry: WorkLogEntry,
+    project_id: Optional[int],
+    log_date: Optional[date],
+    hours: Optional[float],
+    description: Optional[str],
+) -> WorkLogEntry:
+    if project_id is not None:
+        entry.project_id = project_id
+    if log_date is not None:
+        entry.date = log_date
+    if hours is not None:
+        entry.hours = hours
+    if description is not None:
+        entry.description = description
+    db.commit()
+    db.refresh(entry)
+    return entry
+
+
+def delete_work_log(db: Session, entry: WorkLogEntry) -> None:
+    db.delete(entry)
+    db.commit()
diff --git a/db.py b/db.py
new file mode 100644
index 0000000..c40aeb8
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+++ b/db.py
@@ -0,0 +1,19 @@
+from sqlalchemy import create_engine, event
+from sqlalchemy.orm import sessionmaker
+
+DATABASE_URL = "sqlite:///./worklog.db"
+
+engine = create_engine(
+    DATABASE_URL,
+    connect_args={"check_same_thread": False},
+    future=True,
+)
+
+
+@event.listens_for(engine, "connect")
+def _set_sqlite_pragma(dbapi_connection, connection_record) -> None:
+    cursor = dbapi_connection.cursor()
+    cursor.execute("PRAGMA foreign_keys=ON")
+    cursor.close()
+
+SessionLocal = sessionmaker(bind=engine, autocommit=False, autoflush=False, future=True)
diff --git a/main.py b/main.py
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index 0000000..5e2ec21
--- /dev/null
+++ b/main.py
@@ -0,0 +1,185 @@
+import calendar
+from datetime import date, timedelta
+from typing import Generator, List
+
+from fastapi import Depends, FastAPI, HTTPException, Query, status
+from sqlalchemy.exc import IntegrityError
+from sqlalchemy.orm import Session
+
+import crud
+from db import SessionLocal, engine
+from models import Base
+from schemas import (
+    ProjectCreate,
+    ProjectRead,
+    ProjectUpdate,
+    WorkLogCreate,
+    WorkLogRead,
+    WorkLogUpdate,
+)
+
+app = FastAPI(title="Work Log API")
+
+
+def get_db() -> Generator[Session, None, None]:
+    db = SessionLocal()
+    try:
+        yield db
+    finally:
+        db.close()
+
+
+@app.on_event("startup")
+def on_startup() -> None:
+    Base.metadata.create_all(bind=engine)
+
+
+@app.post("/projects", response_model=ProjectRead, status_code=status.HTTP_201_CREATED)
+def create_project(payload: ProjectCreate, db: Session = Depends(get_db)) -> ProjectRead:
+    existing = crud.get_project_by_name(db, payload.name)
+    if existing:
+        raise HTTPException(status_code=409, detail="project name already exists")
+    try:
+        return crud.create_project(db, payload.name, payload.description)
+    except IntegrityError:
+        raise HTTPException(status_code=409, detail="project name already exists")
+
+
+@app.get("/projects", response_model=List[ProjectRead])
+def list_projects(
+    limit: int = Query(50, ge=1, le=200),
+    offset: int = Query(0, ge=0),
+    db: Session = Depends(get_db),
+) -> List[ProjectRead]:
+    return crud.list_projects(db, limit, offset)
+
+
+@app.get("/projects/{project_id}", response_model=ProjectRead)
+def get_project(project_id: int, db: Session = Depends(get_db)) -> ProjectRead:
+    project = crud.get_project(db, project_id)
+    if not project:
+        raise HTTPException(status_code=404, detail="project not found")
+    return project
+
+
+@app.put("/projects/{project_id}", response_model=ProjectRead)
+def update_project(
+    project_id: int,
+    payload: ProjectUpdate,
+    db: Session = Depends(get_db),
+) -> ProjectRead:
+    project = crud.get_project(db, project_id)
+    if not project:
+        raise HTTPException(status_code=404, detail="project not found")
+    if payload.name:
+        existing = crud.get_project_by_name(db, payload.name)
+        if existing and existing.id != project_id:
+            raise HTTPException(status_code=409, detail="project name already exists")
+    return crud.update_project(db, project, payload.name, payload.description)
+
+
+@app.delete("/projects/{project_id}", status_code=status.HTTP_204_NO_CONTENT)
+def delete_project(project_id: int, db: Session = Depends(get_db)) -> None:
+    project = crud.get_project(db, project_id)
+    if not project:
+        raise HTTPException(status_code=404, detail="project not found")
+    crud.delete_project(db, project)
+    return None
+
+
+@app.post("/work-logs", response_model=WorkLogRead, status_code=status.HTTP_201_CREATED)
+def create_work_log(payload: WorkLogCreate, db: Session = Depends(get_db)) -> WorkLogRead:
+    project = crud.get_project(db, payload.project_id)
+    if not project:
+        raise HTTPException(status_code=404, detail="project not found")
+    return crud.create_work_log(
+        db,
+        payload.project_id,
+        payload.date,
+        payload.hours,
+        payload.description,
+    )
+
+
+@app.get("/work-logs", response_model=List[WorkLogRead])
+def list_work_logs(
+    limit: int = Query(50, ge=1, le=200),
+    offset: int = Query(0, ge=0),
+    db: Session = Depends(get_db),
+) -> List[WorkLogRead]:
+    return crud.list_work_logs(db, limit, offset)
+
+
+@app.get("/work-logs/{log_id}", response_model=WorkLogRead)
+def get_work_log(log_id: int, db: Session = Depends(get_db)) -> WorkLogRead:
+    entry = crud.get_work_log(db, log_id)
+    if not entry:
+        raise HTTPException(status_code=404, detail="work log not found")
+    return entry
+
+
+@app.put("/work-logs/{log_id}", response_model=WorkLogRead)
+def update_work_log(
+    log_id: int,
+    payload: WorkLogUpdate,
+    db: Session = Depends(get_db),
+) -> WorkLogRead:
+    entry = crud.get_work_log(db, log_id)
+    if not entry:
+        raise HTTPException(status_code=404, detail="work log not found")
+    if payload.project_id is not None:
+        project = crud.get_project(db, payload.project_id)
+        if not project:
+            raise HTTPException(status_code=404, detail="project not found")
+    return crud.update_work_log(
+        db,
+        entry,
+        payload.project_id,
+        payload.date,
+        payload.hours,
+        payload.description,
+    )
+
+
+@app.delete("/work-logs/{log_id}", status_code=status.HTTP_204_NO_CONTENT)
+def delete_work_log(log_id: int, db: Session = Depends(get_db)) -> None:
+    entry = crud.get_work_log(db, log_id)
+    if not entry:
+        raise HTTPException(status_code=404, detail="work log not found")
+    crud.delete_work_log(db, entry)
+    return None
+
+
+@app.get("/work-logs/day", response_model=List[WorkLogRead])
+def work_logs_for_day(
+    date_param: date = Query(..., alias="date"),
+    limit: int = Query(50, ge=1, le=200),
+    offset: int = Query(0, ge=0),
+    db: Session = Depends(get_db),
+) -> List[WorkLogRead]:
+    return crud.list_work_logs_by_range(db, date_param, date_param, limit, offset)
+
+
+@app.get("/work-logs/week", response_model=List[WorkLogRead])
+def work_logs_for_week(
+    date_param: date = Query(..., alias="date"),
+    limit: int = Query(50, ge=1, le=200),
+    offset: int = Query(0, ge=0),
+    db: Session = Depends(get_db),
+) -> List[WorkLogRead]:
+    start = date_param - timedelta(days=date_param.weekday())
+    end = start + timedelta(days=6)
+    return crud.list_work_logs_by_range(db, start, end, limit, offset)
+
+
+@app.get("/work-logs/month", response_model=List[WorkLogRead])
+def work_logs_for_month(
+    date_param: date = Query(..., alias="date"),
+    limit: int = Query(50, ge=1, le=200),
+    offset: int = Query(0, ge=0),
+    db: Session = Depends(get_db),
+) -> List[WorkLogRead]:
+    last_day = calendar.monthrange(date_param.year, date_param.month)[1]
+    start = date_param.replace(day=1)
+    end = date_param.replace(day=last_day)
+    return crud.list_work_logs_by_range(db, start, end, limit, offset)
diff --git a/models.py b/models.py
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--- /dev/null
+++ b/models.py
@@ -0,0 +1,40 @@
+from datetime import datetime
+
+from sqlalchemy import Column, Date, DateTime, Float, ForeignKey, Integer, String
+from sqlalchemy.orm import declarative_base, relationship
+
+Base = declarative_base()
+
+
+class Project(Base):
+    __tablename__ = "projects"
+
+    id = Column(Integer, primary_key=True, index=True)
+    name = Column(String(200), unique=True, nullable=False, index=True)
+    description = Column(String(1000), nullable=True)
+    created_at = Column(DateTime, default=datetime.utcnow, nullable=False)
+
+    work_logs = relationship(
+        "WorkLogEntry",
+        back_populates="project",
+        cascade="all, delete-orphan",
+        passive_deletes=True,
+    )
+
+
+class WorkLogEntry(Base):
+    __tablename__ = "work_logs"
+
+    id = Column(Integer, primary_key=True, index=True)
+    project_id = Column(
+        Integer,
+        ForeignKey("projects.id", ondelete="CASCADE"),
+        nullable=False,
+        index=True,
+    )
+    date = Column(Date, nullable=False, index=True)
+    hours = Column(Float, nullable=False)
+    description = Column(String(2000), nullable=False)
+    created_at = Column(DateTime, default=datetime.utcnow, nullable=False)
+
+    project = relationship("Project", back_populates="work_logs")
diff --git a/schemas.py b/schemas.py
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--- /dev/null
+++ b/schemas.py
@@ -0,0 +1,68 @@
+from datetime import date, datetime
+from typing import Optional
+
+from pydantic import BaseModel, ConfigDict, field_validator
+
+
+def _validate_half_hours(value: float) -> float:
+    if value <= 0:
+        raise ValueError("hours must be greater than 0")
+    scaled = value * 2
+    if abs(scaled - round(scaled)) > 1e-6:
+        raise ValueError("hours must be in 0.5 increments")
+    return value
+
+
+class ProjectBase(BaseModel):
+    name: str
+    description: Optional[str] = None
+
+
+class ProjectCreate(ProjectBase):
+    pass
+
+
+class ProjectUpdate(BaseModel):
+    name: Optional[str] = None
+    description: Optional[str] = None
+
+
+class ProjectRead(ProjectBase):
+    id: int
+    created_at: datetime
+
+    model_config = ConfigDict(from_attributes=True)
+
+
+class WorkLogBase(BaseModel):
+    project_id: int
+    date: date
+    hours: float
+    description: str
+
+    _validate_hours = field_validator("hours")(_validate_half_hours)
+
+
+class WorkLogCreate(WorkLogBase):
+    pass
+
+
+class WorkLogUpdate(BaseModel):
+    project_id: Optional[int] = None
+    date: Optional[date] = None
+    hours: Optional[float] = None
+    description: Optional[str] = None
+
+    @field_validator("hours")
+    @classmethod
+    def validate_hours(cls, value: Optional[float]) -> Optional[float]:
+        if value is None:
+            return value
+        return _validate_half_hours(value)
+
+
+class WorkLogRead(WorkLogBase):
+    id: int
+    created_at: datetime
+
+    model_config = ConfigDict(from_attributes=True)
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