Switch to angular

app/api/tags.py

@@ -0,0 +1,117 @@
+from fastapi import APIRouter, Depends, HTTPException, Query
+from sqlalchemy.orm import Session
+from typing import List
+
+from app.database import get_db
+from app.models.tag import Tag
+from app.schemas.tag import TagCreate, TagUpdate, TagResponse
+
+router = APIRouter(prefix="/api/v1/tags", tags=["tags"])
+
+
+@router.post("/", response_model=TagResponse, status_code=201)
+async def create_tag(tag: TagCreate, db: Session = Depends(get_db)):
+    """
+    Create a new tag
+
+    - **name**: Tag name (unique, required)
+    - **description**: Tag description (optional)
+    - **color**: Hex color code (optional, e.g., #FF5733)
+    """
+    # Check if tag already exists
+    existing_tag = db.query(Tag).filter(Tag.name == tag.name).first()
+    if existing_tag:
+        raise HTTPException(status_code=400, detail=f"Tag with name '{tag.name}' already exists")
+
+    db_tag = Tag(**tag.model_dump())
+    db.add(db_tag)
+    db.commit()
+    db.refresh(db_tag)
+
+    return db_tag
+
+
+@router.get("/", response_model=List[TagResponse])
+async def list_tags(
+    limit: int = Query(default=100, le=1000),
+    offset: int = Query(default=0, ge=0),
+    db: Session = Depends(get_db)
+):
+    """List all tags with pagination"""
+    tags = db.query(Tag).order_by(Tag.name).offset(offset).limit(limit).all()
+    return tags
+
+
+@router.get("/{tag_id}", response_model=TagResponse)
+async def get_tag(tag_id: int, db: Session = Depends(get_db)):
+    """Get tag by ID"""
+    tag = db.query(Tag).filter(Tag.id == tag_id).first()
+    if not tag:
+        raise HTTPException(status_code=404, detail="Tag not found")
+    return tag
+
+
+@router.get("/name/{tag_name}", response_model=TagResponse)
+async def get_tag_by_name(tag_name: str, db: Session = Depends(get_db)):
+    """Get tag by name"""
+    tag = db.query(Tag).filter(Tag.name == tag_name).first()
+    if not tag:
+        raise HTTPException(status_code=404, detail="Tag not found")
+    return tag
+
+
+@router.put("/{tag_id}", response_model=TagResponse)
+async def update_tag(tag_id: int, tag_update: TagUpdate, db: Session = Depends(get_db)):
+    """
+    Update a tag
+
+    - **name**: Tag name (optional)
+    - **description**: Tag description (optional)
+    - **color**: Hex color code (optional)
+    """
+    tag = db.query(Tag).filter(Tag.id == tag_id).first()
+    if not tag:
+        raise HTTPException(status_code=404, detail="Tag not found")
+
+    # Check if new name conflicts with existing tag
+    if tag_update.name and tag_update.name != tag.name:
+        existing_tag = db.query(Tag).filter(Tag.name == tag_update.name).first()
+        if existing_tag:
+            raise HTTPException(status_code=400, detail=f"Tag with name '{tag_update.name}' already exists")
+
+    # Update fields
+    update_data = tag_update.model_dump(exclude_unset=True)
+    for field, value in update_data.items():
+        setattr(tag, field, value)
+
+    db.commit()
+    db.refresh(tag)
+
+    return tag
+
+
+@router.delete("/{tag_id}")
+async def delete_tag(tag_id: int, db: Session = Depends(get_db)):
+    """Delete a tag"""
+    tag = db.query(Tag).filter(Tag.id == tag_id).first()
+    if not tag:
+        raise HTTPException(status_code=404, detail="Tag not found")
+
+    db.delete(tag)
+    db.commit()
+
+    return {"message": f"Tag '{tag.name}' deleted successfully"}
+
+
+@router.post("/search", response_model=List[TagResponse])
+async def search_tags(
+    query: str = Query(..., min_length=1, description="Search query"),
+    limit: int = Query(default=100, le=1000),
+    db: Session = Depends(get_db)
+):
+    """Search tags by name or description"""
+    tags = db.query(Tag).filter(
+        (Tag.name.ilike(f"%{query}%")) | (Tag.description.ilike(f"%{query}%"))
+    ).order_by(Tag.name).limit(limit).all()
+
+    return tags

app/database.py

@@ -1,7 +1,8 @@
 from sqlalchemy import create_engine
 from sqlalchemy.orm import sessionmaker
 from app.config import settings
-from app.models.artifact import Base
+from app.models.artifact import Base as ArtifactBase
+from app.models.tag import Base as TagBase
 
 engine = create_engine(settings.database_url)
 SessionLocal = sessionmaker(autocommit=False, autoflush=False, bind=engine)
@@ -9,7 +10,8 @@ SessionLocal = sessionmaker(autocommit=False, autoflush=False, bind=engine)
 
 def init_db():
     """Initialize database tables"""
-    Base.metadata.create_all(bind=engine)
+    ArtifactBase.metadata.create_all(bind=engine)
+    TagBase.metadata.create_all(bind=engine)
 
 
 def get_db():

app/main.py

@@ -1,9 +1,8 @@
 from fastapi import FastAPI
 from fastapi.middleware.cors import CORSMiddleware
-from fastapi.staticfiles import StaticFiles
-from fastapi.responses import FileResponse
 from app.api.artifacts import router as artifacts_router
 from app.api.seed import router as seed_router
+from app.api.tags import router as tags_router
 from app.database import init_db
 from app.config import settings
 import logging
@@ -38,11 +37,9 @@ app.add_middleware(
 # Include routers
 app.include_router(artifacts_router)
 app.include_router(seed_router)
+app.include_router(tags_router)
 
-# Mount static files
-static_dir = os.path.join(os.path.dirname(os.path.dirname(__file__)), "static")
-if os.path.exists(static_dir):
-    app.mount("/static", StaticFiles(directory=static_dir), name="static")
+# Note: Frontend is now served separately as an Angular application
 
 
 @app.on_event("startup")
@@ -69,19 +66,15 @@ async def api_root():
 
 @app.get("/")
 async def ui_root():
-    """Serve the UI"""
-    index_path = os.path.join(static_dir, "index.html")
-    if os.path.exists(index_path):
-        return FileResponse(index_path)
-    else:
-        return {
-            "message": "Test Artifact Data Lake API",
-            "version": "1.0.0",
-            "docs": "/docs",
-            "ui": "UI not found. Serving API only.",
-            "deployment_mode": settings.deployment_mode,
-            "storage_backend": settings.storage_backend
-        }
+    """API root - Frontend is served separately"""
+    return {
+        "message": "Test Artifact Data Lake API",
+        "version": "1.0.0",
+        "docs": "/docs",
+        "frontend": "Frontend is served separately on port 4200 (development) or via reverse proxy (production)",
+        "deployment_mode": settings.deployment_mode,
+        "storage_backend": settings.storage_backend
+    }
 
 
 @app.get("/health")

app/models/tag.py

@@ -0,0 +1,21 @@
+from sqlalchemy import Column, String, Integer, DateTime, Text
+from sqlalchemy.ext.declarative import declarative_base
+from datetime import datetime
+
+Base = declarative_base()
+
+
+class Tag(Base):
+    __tablename__ = "tags"
+
+    id = Column(Integer, primary_key=True, index=True)
+    name = Column(String(100), unique=True, nullable=False, index=True)
+    description = Column(Text)
+    color = Column(String(7))  # Hex color code, e.g., #FF5733
+
+    # Timestamps
+    created_at = Column(DateTime, default=datetime.utcnow, index=True)
+    updated_at = Column(DateTime, default=datetime.utcnow, onupdate=datetime.utcnow)
+
+    def __repr__(self):
+        return f"<Tag(id={self.id}, name='{self.name}')>"

app/schemas/tag.py

@@ -0,0 +1,28 @@
+from pydantic import BaseModel, Field
+from datetime import datetime
+from typing import Optional
+
+
+class TagBase(BaseModel):
+    name: str = Field(..., min_length=1, max_length=100, description="Tag name")
+    description: Optional[str] = Field(None, description="Tag description")
+    color: Optional[str] = Field(None, pattern="^#[0-9A-Fa-f]{6}$", description="Hex color code (e.g., #FF5733)")
+
+
+class TagCreate(TagBase):
+    pass
+
+
+class TagUpdate(BaseModel):
+    name: Optional[str] = Field(None, min_length=1, max_length=100, description="Tag name")
+    description: Optional[str] = Field(None, description="Tag description")
+    color: Optional[str] = Field(None, pattern="^#[0-9A-Fa-f]{6}$", description="Hex color code")
+
+
+class TagResponse(TagBase):
+    id: int
+    created_at: datetime
+    updated_at: datetime
+
+    class Config:
+        from_attributes = True