scrape platenzaak

apps/vinyl/src/assets.py

@@ -12,17 +12,19 @@ from dagster_polars.patito import patito_model_to_dagster_type
 from jinja2 import Environment, FileSystemLoader
 from models import Deal
 from partitions import daily_partitions_def, multi_partitions_def
+from platenzaak.scrape import scrape as scrape_platenzaak
 from plato.parse import parse as parse_plato
 from plato.scrape import scrape as scrape_plato
 from shared.utils import get_partition_keys, parse_partition_keys
 from sounds.parse import parse as parse_sounds
 from sounds.scrape import scrape as scrape_sounds
+from structlog.stdlib import BoundLogger
 from utils.email import EmailService
 
 import dagster as dg
 
 asset = partial(dg.asset, key_prefix=APP)
-logger = structlog.get_logger()
+logger: BoundLogger = structlog.get_logger()
 
 
 @asset(
@@ -75,10 +77,14 @@ def deals(context: dg.AssetExecutionContext) -> pl.DataFrame:
         logger.info("Scraped Sounds", rows=len(df), head=df.head().to_markdown())
         ic(df.columns)
         return pl.from_pandas(df.assign(**partition_key))
+    if source == "platenzaak":
+        logger.info("Scraping Platenzaak")
+        df = scrape_platenzaak(logger=logger)
+        logger.info("Scraped Sounds", rows=len(df), head=df.head().to_markdown())
+        ic(df.columns)
+        return pl.from_pandas(df.assign(**partition_key))
 
-    return pl.DataFrame(
+    raise NotImplementedError(f"No implementation for source {source}")
-        [{"date": context.partition_key, "data": f"Data for {context.partition_key}"}]
-    )
 
 
 @asset(

apps/vinyl/src/partitions.py

@@ -2,7 +2,7 @@ import os
 
 import dagster as dg
 
-SOURCES = ["plato", "sounds"]
+SOURCES = ["plato", "sounds", "platenzaak"]
 daily_partitions_def = dg.DailyPartitionsDefinition(
     start_date="2024-09-01", end_offset=1, timezone=os.environ.get("TZ", "UTC")
 )

apps/vinyl/src/platenzaak/scrape.py

@@ -0,0 +1,90 @@
+from collections.abc import Iterator
+
+import pandas as pd
+import requests
+from bs4 import BeautifulSoup
+from structlog.stdlib import BoundLogger
+
+
+def parse_price(price_block):
+    """
+    Convert a price block like:
+      <span class="amount theme-money">€ 30<sup>99</sup></span>
+    into a float: 30.99
+    """
+    if not price_block:
+        return None
+
+    # Extract the main number (before <sup>)
+    main = price_block.find(string=True, recursive=False)
+    main = main.strip().replace("€", "").replace(",", ".").strip()
+
+    # Extract the <sup> part (cents)
+    sup = price_block.find("sup")
+    cents = sup.get_text(strip=True) if sup else "00"
+
+    try:
+        return float(f"{main}.{cents}")
+    except ValueError:
+        return None
+
+
+def parse_page(html) -> Iterator[dict]:
+    soup = BeautifulSoup(html, "html.parser")
+
+    for block in soup.select("div.product-block__inner"):
+        # Wishlist button holds most metadata
+        wishlist = block.select_one("[data-wlh-id]")
+        if not wishlist:
+            continue
+
+        product = {
+            "id": wishlist.get("data-wlh-id"),
+            "variant_id": wishlist.get("data-wlh-variantid"),
+            "name": wishlist.get("data-wlh-name"),
+            "price": wishlist.get("data-wlh-price"),
+            "url": wishlist.get("data-wlh-link"),
+            "image": wishlist.get("data-wlh-image"),
+        }
+
+        # Artist + Title (in the title link)
+        title_block = block.select_one(".product-block__title-price .title")
+        if title_block:
+            artist = title_block.find("span")
+            if artist:
+                product["artist"] = artist.get_text(strip=True)
+            # The text after <br> is the album title
+            product["album"] = (
+                title_block.get_text(separator="|").split("|")[-1].strip()
+            )
+
+        # Current price (might include discounts)
+        price_block = block.select_one(".price .amount")
+        product["current_price"] = parse_price(price_block)
+
+        # Original price if on sale
+        old_price_block = block.select_one(".price del .theme-money")
+        product["original_price"] = parse_price(old_price_block)
+
+        # Sale label
+        sale_label = block.select_one(".product-label--sale")
+        product["on_sale"] = bool(sale_label)
+
+        yield product
+
+
+def scrape(logger: BoundLogger) -> pd.DataFrame:
+    page = 1
+    products = []
+    while True:
+        response = requests.get(
+            f"https://www.platenzaak.nl/collections/sale?filter.p.m.custom.config_group=Vinyl&page={page}"
+        )
+        response.raise_for_status()
+        page_products = list(parse_page(response.text))
+        logger.info("Scraped page", page=page, products=len(page_products))
+        if not page_products:
+            break
+        products.extend(page_products)
+        page += 1
+    return pd.DataFrame(products)