Initial commit.
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2fa935016e
11 changed files with 1410 additions and 0 deletions
0
app/routes/__init__.py
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0
app/routes/__init__.py
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app/routes/discovery.py
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app/routes/discovery.py
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import sqlite3
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from fastapi import APIRouter, Depends, Query
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from app.database import get_db
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from app.models import CategoryCount, CreatorCount, GenreCount
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router = APIRouter(tags=["Discovery"])
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@router.get(
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"/categories",
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response_model=list[CategoryCount],
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summary="List all categories",
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description="Returns every media category, along with a count of the number of reviews in that category."
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)
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def list_categories(db: sqlite3.Connection = Depends(get_db)):
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rows = db.execute(
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"SELECT category, COUNT(*) as count FROM reviews GROUP BY category ORDER BY count DESC"
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).fetchall()
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return [dict(row) for row in rows]
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@router.get(
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"/genres",
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response_model=list[GenreCount],
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summary="List all genres",
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description="Returns every genre with review counts. Optionally filter to genres within a specific category.",
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)
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def list_genres(
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category: str | None = Query(None, description="Only show genres in this category.", examples=["Movies"]),
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db: sqlite3.Connection = Depends(get_db),
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):
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conditions = []
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params = []
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if category:
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conditions.append("category = ?")
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params.append(category)
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where = ""
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if conditions:
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where = "WHERE " + " AND ".join(conditions)
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rows = db.execute(
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f"SELECT genre, COUNT(*) as count FROM reviews {where} GROUP BY genre ORDER BY count DESC",
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params,
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).fetchall()
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return [dict(row) for row in rows]
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@router.get(
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"/creators",
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response_model=list[CreatorCount],
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summary="List all creators",
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description="Returns every writer, director, or creator; with the number of works by them that has been reviewed. "
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"Optionally filter by category.",
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)
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def list_creators(
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category: str | None = Query(None, description="Only show creators in this category.", examples=["Books"]),
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db: sqlite3.Connection = Depends(get_db),
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):
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conditions = []
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params = []
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if category:
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conditions.append("category = ?")
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params.append(category)
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where = ""
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if conditions:
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where = "WHERE " + " AND ".join(conditions)
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rows = db.execute(
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f"SELECT creator, COUNT(*) as count FROM reviews {where} GROUP BY creator ORDER BY count DESC",
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params,
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).fetchall()
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return [dict(row) for row in rows]
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234
app/routes/reviews.py
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app/routes/reviews.py
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import sqlite3
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from fastapi import APIRouter, Depends, HTTPException, Query
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from app.database import get_db
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from app.models import Review, ReviewListResponse
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router = APIRouter(prefix="/reviews", tags=["Reviews"])
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@router.get(
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"",
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response_model=ReviewListResponse,
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summary="List reviews",
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description="Retrieve a paginated list of reviews with optional filters. All filters are combined with AND logic, where only reviews matching every specified filter are returned.",
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)
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def list_reviews(
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category: str | None = Query(
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None, description="Filter by media category (exact match).", examples=["Movies"]
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),
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creator: str | None = Query(
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None, description="Filter by creator name (exact match).", examples=["Christopher Nolan"]
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),
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genre: str | None = Query(
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None, description="Filter by genre (exact match).", examples=["Science Fiction"]
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),
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min_rating: float | None = Query(
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None, description="Minimum rating (inclusive).", ge=-3.0, le=3.0, examples=[2.0]
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),
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max_rating: float | None = Query(
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None, description="Maximum rating (inclusive).", ge=-3.0, le=3.0, examples=[3.0]
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),
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date_from: str | None = Query(
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None, description="Earliest review date (inclusive, YYYY-MM-DD).", examples=["2020-01-01"]
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),
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date_to: str | None = Query(
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None, description="Latest review date (inclusive, YYYY-MM-DD).", examples=["2025-12-31"]
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),
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year_from: int | None = Query(
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None, description="Earliest release year (inclusive).", examples=[1990]
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),
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year_to: int | None = Query(
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None, description="Latest release year (inclusive).", examples=[2000]
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),
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limit: int = Query(
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20, description="Number of results per page.", ge=1, le=100
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),
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offset: int = Query(
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0, description="Number of results to skip.", ge=0
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),
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db: sqlite3.Connection = Depends(get_db),
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):
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conditions = []
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params = []
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if category:
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conditions.append("category = ?")
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params.append(category)
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if creator:
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conditions.append("creator = ?")
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params.append(creator)
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if genre:
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conditions.append("genre = ?")
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params.append(genre)
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if min_rating is not None:
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conditions.append("rating >= ?")
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params.append(min_rating)
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if max_rating is not None:
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conditions.append("rating <= ?")
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params.append(max_rating)
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if date_from:
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conditions.append("date >= ?")
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params.append(date_from)
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if date_to:
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conditions.append("date <= ?")
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params.append(date_to)
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if year_from is not None:
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conditions.append("year >= ?")
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params.append(year_from)
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if year_to is not None:
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conditions.append("year <= ?")
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params.append(year_to)
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where = ""
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if conditions:
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where = "WHERE " + " AND ".join(conditions)
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total = db.execute(
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f"SELECT COUNT(*) FROM reviews {where}", params
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).fetchone()[0]
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rows = db.execute(
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f"SELECT * FROM reviews {where} ORDER BY date DESC LIMIT ? OFFSET ?",
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params + [limit, offset],
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).fetchall()
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return ReviewListResponse(
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total=total,
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limit=limit,
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offset=offset,
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results=[dict(row) for row in rows],
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)
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@router.get(
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"/random",
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response_model=Review,
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summary="Get a random review",
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description="Returns a single randomly selected review. Optionally filter by category to get a random review from a specific media type.",
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)
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def random_review(
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category: str | None = Query(
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None, description="Limit random selection to this category.", examples=["Books"]
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),
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db: sqlite3.Connection = Depends(get_db),
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):
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conditions = []
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params = []
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if category:
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conditions.append("category = ?")
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params.append(category)
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where = ""
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if conditions:
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where = "WHERE " + " AND ".join(conditions)
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row = db.execute(
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f"SELECT * FROM reviews {where} ORDER BY RANDOM() LIMIT 1", params
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).fetchone()
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if not row:
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raise HTTPException(status_code=404, detail="No reviews found.")
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return dict(row)
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@router.get(
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"/top",
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response_model=list[Review],
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summary="Get top-rated reviews",
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description="Returns the highest-rated reviews, sorted by rating descending.",
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)
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def top_reviews(
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category: str | None = Query(None, description="Limit to this category.", examples=["Movies"]),
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year_from: int | None = Query(None, description="Earliest release year (inclusive).", examples=[1990]),
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year_to: int | None = Query(None, description="Latest release year (inclusive).", examples=[2000]),
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limit: int = Query(10, description="Number of results to return.", ge=1, le=50),
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db: sqlite3.Connection = Depends(get_db),
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):
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conditions = []
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params = []
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if category:
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conditions.append("category = ?")
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params.append(category)
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if year_from is not None:
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conditions.append("year >= ?")
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params.append(year_from)
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if year_to is not None:
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conditions.append("year <= ?")
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params.append(year_to)
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where = ""
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if conditions:
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where = "WHERE " + " AND ".join(conditions)
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rows = db.execute(
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f"SELECT * FROM reviews {where} ORDER BY rating DESC LIMIT ?",
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params + [limit],
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).fetchall()
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return [dict(row) for row in rows]
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@router.get(
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"/bottom",
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response_model=list[Review],
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summary="Get lowest-rated reviews",
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description="Returns the lowest-rated reviews, sorted by rating ascending. "
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"These are the harshest takes in the collection.",
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)
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def bottom_reviews(
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category: str | None = Query(None, description="Limit to this category.", examples=["Movies"]),
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year_from: int | None = Query(None, description="Earliest release year (inclusive).", examples=[1990]),
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year_to: int | None = Query(None, description="Latest release year (inclusive).", examples=[2000]),
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limit: int = Query(10, description="Number of results to return.", ge=1, le=50),
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db: sqlite3.Connection = Depends(get_db),
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):
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conditions = []
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params = []
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if category:
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conditions.append("category = ?")
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params.append(category)
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if year_from is not None:
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conditions.append("year >= ?")
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params.append(year_from)
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if year_to is not None:
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conditions.append("year <= ?")
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params.append(year_to)
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where = ""
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if conditions:
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where = "WHERE " + " AND ".join(conditions)
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rows = db.execute(
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f"SELECT * FROM reviews {where} ORDER BY rating ASC LIMIT ?",
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params + [limit],
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).fetchall()
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return [dict(row) for row in rows]
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@router.get(
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"/{category}/{title}/{creator}",
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response_model=Review,
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summary="Get a specific review",
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description="Retrieve a single review by its unique combination of "
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"category, title, and creator.",
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)
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def get_review(
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category: str,
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title: str,
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creator: str,
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db: sqlite3.Connection = Depends(get_db),
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):
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row = db.execute(
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"SELECT * FROM reviews WHERE category = ? AND title = ? AND creator = ?",
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[category, title, creator],
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).fetchone()
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if not row:
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raise HTTPException(
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status_code=404,
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detail=f"No review found for '{title}' by {creator} in {category}.",
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)
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return dict(row)
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152
app/routes/stats.py
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152
app/routes/stats.py
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import sqlite3
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from fastapi import APIRouter, Depends, Query
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from app.database import get_db
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from app.models import CreatorStats, DecadeStats, GenreStats, OverviewStats, YearActivity
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router = APIRouter(prefix="/stats", tags=["Statistics"])
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@router.get(
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"",
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response_model=OverviewStats,
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summary="Overall statistics",
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description="High-level numbers: total reviews, breakdown by category, average rating, and date range of the reviews collection.",
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)
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def overview(db: sqlite3.Connection = Depends(get_db)):
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total = db.execute("SELECT COUNT(*) FROM reviews").fetchone()[0]
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categories = db.execute(
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"SELECT category, COUNT(*) as count FROM reviews GROUP BY category ORDER BY count DESC"
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).fetchall()
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avg = db.execute("SELECT ROUND(AVG(rating), 2) FROM reviews").fetchone()[0]
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earliest = db.execute("SELECT MIN(date) FROM reviews").fetchone()[0]
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latest = db.execute("SELECT MAX(date) FROM reviews").fetchone()[0]
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return OverviewStats(
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total_reviews=total,
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categories=[dict(row) for row in categories],
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average_rating=avg,
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earliest_review=earliest,
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latest_review=latest,
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)
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@router.get(
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"/creators",
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response_model=list[CreatorStats],
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summary="Creator rankings",
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description="Writers, directors and creators ranked by number of reviewed works, with their average rating.",
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)
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def creator_stats(
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category: str | None = Query(None, description="Limit to this category.", examples=["Movies"]),
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limit: int = Query(20, description="Number of creators to return.", ge=1, le=100),
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db: sqlite3.Connection = Depends(get_db),
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):
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conditions = []
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params = []
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if category:
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conditions.append("category = ?")
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params.append(category)
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where = ""
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if conditions:
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where = "WHERE " + " AND ".join(conditions)
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rows = db.execute(
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f"SELECT creator, COUNT(*) as review_count, "
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f"ROUND(AVG(rating), 2) as average_rating "
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f"FROM reviews {where} "
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f"GROUP BY creator ORDER BY review_count DESC LIMIT ?",
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params + [limit],
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).fetchall()
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return [dict(row) for row in rows]
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@router.get(
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"/genres",
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response_model=list[GenreStats],
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summary="Genre breakdown",
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description="Genres with review counts and average ratings. Optionally filtered by media category.",
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)
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def genre_stats(
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category: str | None = Query(None, description="Limit to this category.", examples=["Movies"]),
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db: sqlite3.Connection = Depends(get_db),
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):
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conditions = []
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params = []
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if category:
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conditions.append("category = ?")
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params.append(category)
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where = ""
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if conditions:
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where = "WHERE " + " AND ".join(conditions)
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rows = db.execute(
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f"SELECT genre, COUNT(*) as review_count, "
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f"ROUND(AVG(rating), 2) as average_rating "
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f"FROM reviews {where} "
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f"GROUP BY genre ORDER BY review_count DESC",
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params,
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).fetchall()
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return [dict(row) for row in rows]
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@router.get(
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"/timeline",
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response_model=list[YearActivity],
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summary="Review timeline",
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description="Reviews per year, showing how my reviewing activity changed over time.",
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)
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def timeline(db: sqlite3.Connection = Depends(get_db)):
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rows = db.execute(
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"SELECT SUBSTR(date, 1, 4) as year, COUNT(*) as review_count, "
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"ROUND(AVG(rating), 2) as average_rating "
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"FROM reviews GROUP BY year ORDER BY year ASC"
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).fetchall()
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return [dict(row) for row in rows]
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@router.get(
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"/decades",
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response_model=list[DecadeStats],
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summary="Reviews by decade of release",
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description="Reviews grouped by the decade the work was released. Shows which eras of media appear most in the reviews collection.",
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)
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def decade_stats(
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category: str | None = Query(None, description="Limit to this category.", examples=["Movies"]),
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db: sqlite3.Connection = Depends(get_db),
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):
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conditions = ["year IS NOT NULL"]
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params = []
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|
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if category:
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conditions.append("category = ?")
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params.append(category)
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where = "WHERE " + " AND ".join(conditions)
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rows = db.execute(
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f"SELECT (year / 10 * 10) as decade_num, COUNT(*) as review_count, "
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f"ROUND(AVG(rating), 2) as average_rating "
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f"FROM reviews {where} "
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f"GROUP BY decade_num ORDER BY decade_num ASC",
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params,
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).fetchall()
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return [
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DecadeStats(
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decade=f"{row['decade_num']}s",
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review_count=row["review_count"],
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average_rating=row["average_rating"],
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)
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for row in rows
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]
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