Initial commit: Rohlik.cz price scraper

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
2026-05-31 12:24:25 +02:00
commit 210311a7b3
14 changed files with 697 additions and 0 deletions
@@ -0,0 +1,3 @@
+.venv/
+__pycache__/
+*.pyc
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+# Default ignored files
+/shelf/
+/workspace.xml
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+<?xml version="1.0" encoding="UTF-8"?>
+<module type="PYTHON_MODULE" version="4">
+  <component name="NewModuleRootManager">
+    <content url="file://$MODULE_DIR$">
+      <excludeFolder url="file://$MODULE_DIR$/.venv" />
+    </content>
+    <orderEntry type="jdk" jdkName="Python 3.12 (Rohlik)" jdkType="Python SDK" />
+    <orderEntry type="sourceFolder" forTests="false" />
+  </component>
+</module>
@@ -0,0 +1,16 @@
+<component name="InspectionProjectProfileManager">
+  <profile version="1.0">
+    <option name="myName" value="Project Default" />
+    <inspection_tool class="PyCompatibilityInspection" enabled="true" level="WARNING" enabled_by_default="true">
+      <option name="ourVersions">
+        <value>
+          <list size="3">
+            <item index="0" class="java.lang.String" itemvalue="2.7" />
+            <item index="1" class="java.lang.String" itemvalue="3.13" />
+            <item index="2" class="java.lang.String" itemvalue="3.7" />
+          </list>
+        </value>
+      </option>
+    </inspection_tool>
+  </profile>
+</component>
@@ -0,0 +1,6 @@
+<component name="InspectionProjectProfileManager">
+  <settings>
+    <option name="USE_PROJECT_PROFILE" value="false" />
+    <version value="1.0" />
+  </settings>
+</component>
@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="ProjectModuleManager">
+    <modules>
+      <module fileurl="file://$PROJECT_DIR$/.idea/Rohlik.iml" filepath="$PROJECT_DIR$/.idea/Rohlik.iml" />
+    </modules>
+  </component>
+</project>
@@ -0,0 +1,4 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="VcsDirectoryMappings" defaultProject="true" />
+</project>
@@ -0,0 +1,4 @@
+MONGO_URI=mongodb://192.168.1.76:27017
+MONGO_DB=rohlik
+ROHLIK_EMAIL=your@email.com
+ROHLIK_PASSWORD=yourpassword
@@ -0,0 +1,6 @@
+.venv/
+.env
+__pycache__/
+*.pyc
+.idea/
+auth_state.json
@@ -0,0 +1,265 @@
+"""
+Rohlik.cz Price Scraper - Category Tree
+Version: 1.0.0
+Date: 2026-05-31
+
+Complete hardcoded category tree for Rohlik.cz (14 main categories, ~170+ leaves).
+Only leaf categories (without children) contain the full product listing.
+"""
+
+CATEGORY_TREE = [
+    {
+        "name": "Ovoce a zelenina", "id": "300102000", "url": "/c300102000-ovoce-a-zelenina",
+        "children": [
+            {"name": "Zelenina", "id": "300102008", "url": "/c300102008-zelenina", "children": [
+                {"name": "Okurky, cukety a lilky", "id": "300102013", "url": "/c300102013-okurky-cukety-a-lilky"},
+                {"name": "Mrkev a kořenová zelenina", "id": "300102012", "url": "/c300102012-mrkev-a-korenova-zelenina"},
+                {"name": "Cibule, česnek a pórek", "id": "300102010", "url": "/c300102010-cibule-cesnek-a-porek"},
+                {"name": "Papriky a chilli", "id": "300102015", "url": "/c300102015-papriky-a-chilli"},
+                {"name": "Saláty", "id": "300102021", "url": "/c300102021-salaty"},
+                {"name": "Rajčata", "id": "300102014", "url": "/c300102014-rajcata"},
+                {"name": "Brambory", "id": "300102009", "url": "/c300102009-brambory"},
+                {"name": "Ostatní zelenina", "id": "300102020", "url": "/c300102020-ostatni-zelenina"},
+                {"name": "Květák a košťálová zelenina", "id": "300102016", "url": "/c300102016-kvetak-a-kostalova-zelenina"},
+                {"name": "Dýně a tykve", "id": "300102011", "url": "/c300102011-dyne-a-tykve"},
+                {"name": "Kukuřice a lusky", "id": "300102017", "url": "/c300102017-kukurice-a-lusky"},
+                {"name": "Bio zelenina", "id": "300102040", "url": "/c300102040-bio-zelenina"},
+                {"name": "Baby zelenina", "id": "300102018", "url": "/c300102018-baby-zelenina"},
+                {"name": "Rychlá příprava a předvařená zelenina", "id": "300112157", "url": "/c300112157-rychla-priprava-a-predvarena-zelenina"},
+            ]},
+            {"name": "Ovoce", "id": "300102001", "url": "/c300102001-ovoce"},
+            {"name": "Bylinky a microgreens", "id": "300102026", "url": "/c300102026-bylinky-a-microgreens"},
+            {"name": "Kuchařské boxy, hotové saláty a ready to cook", "id": "300124625", "url": "/c300124625-kucharske-boxy-hotove-salaty-a-ready-to-cook"},
+            {"name": "Houby", "id": "300102022", "url": "/c300102022-houby"},
+            {"name": "Květiny", "id": "300112201", "url": "/c300112201-kvetiny"},
+            {"name": "Čerstvě sklizeno", "id": "300120435", "url": "/c300120435-cerstve-sklizeno"},
+            {"name": "Český chřest", "id": "300114291", "url": "/c300114291-cesky-chrest"},
+            {"name": "BIO ovoce a zelenina", "id": "300114343", "url": "/c300114343-bio-ovoce-a-zelenina"},
+            {"name": "Kunratická stodola", "id": "300124164", "url": "/c300124164-kunraticka-stodola"},
+            {"name": "Speciality ze světa", "id": "300102038", "url": "/c300102038-speciality-ze-sveta"},
+        ]
+    },
+    {
+        "name": "Mléčné a chlazené", "id": "300105000", "url": "/c300105000-mlecne-a-chlazene",
+        "children": [
+            {"name": "Sýry", "id": "300105026", "url": "/c300105026-syry"},
+            {"name": "Jogurty a mléčné dezerty", "id": "300105008", "url": "/c300105008-jogurty-a-mlecne-dezerty"},
+            {"name": "Vejce a droždí", "id": "300105053", "url": "/c300105053-vejce-a-drozdi"},
+            {"name": "Smetany, šlehačky a tvarohy", "id": "300105021", "url": "/c300105021-smetany-slehacky-a-tvarohy"},
+            {"name": "Máslo, tuky a margaríny", "id": "300105048", "url": "/c300105048-maslo-tuky-a-margariny"},
+            {"name": "Majonézy, tatarské omáčky a dresingy", "id": "300105058", "url": "/c300105058-majonezy-tatarske-omacky-a-dresingy"},
+            {"name": "Mléko a mléčné nápoje", "id": "300105001", "url": "/c300105001-mleko-a-mlecne-napoje"},
+            {"name": "Bez laktózy, A2 a High protein", "id": "300121231", "url": "/c300121231-bez-laktozy-a2-a-high-protein"},
+        ]
+    },
+    {
+        "name": "Maso a ryby", "id": "300103000", "url": "/c300103000-maso-a-ryby",
+        "children": [
+            {"name": "Drůbež", "id": "300115247", "url": "/c300115247-drubez"},
+            {"name": "Hovězí a telecí", "id": "300117217", "url": "/c300117217-hovezi-a-teleci"},
+            {"name": "Vepřové", "id": "300103009", "url": "/c300103009-veprove"},
+            {"name": "Ryby a mořské plody", "id": "300117385", "url": "/c300117385-ryby-a-morske-plody"},
+            {"name": "BIO maso a ryby", "id": "300121424", "url": "/c300121424-bio-maso-a-ryby"},
+            {"name": "Maso na gril, steaky a burgery", "id": "300117355", "url": "/c300117355-maso-na-gril-steaky-a-burgery"},
+            {"name": "Zvěřina, jehněčí, králičí a speciality", "id": "300122988", "url": "/c300122988-zverina-jehneci-kralici-a-speciality"},
+        ]
+    },
+    {
+        "name": "Pekárna a cukrárna", "id": "300101000", "url": "/c300101000-pekarna-a-cukrarna",
+        "children": [
+            {"name": "Slané pečivo", "id": "300101012", "url": "/c300101012-slane-pecivo"},
+            {"name": "Chléb", "id": "300101007", "url": "/c300101007-chleb"},
+            {"name": "Sladké pečivo", "id": "300101024", "url": "/c300101024-sladke-pecivo"},
+            {"name": "Dorty a zákusky", "id": "300101033", "url": "/c300101033-dorty-a-zakusky"},
+            {"name": "Racio a Knäckebrot", "id": "300101043", "url": "/c300101043-racio-a-knaeckebrot"},
+            {"name": "Tortilly a pita chleby", "id": "300101019", "url": "/c300101019-tortilly-a-pita-chleby"},
+            {"name": "Pečicí směsi a strouhanka", "id": "300101049", "url": "/c300101049-pecici-smesi-a-strouhanka"},
+            {"name": "Bezlepková pekárna a cukrárna", "id": "300118595", "url": "/c300118595-bezlepkova-pekarna-a-cukrarna"},
+        ]
+    },
+    {
+        "name": "Uzeniny a lahůdky", "id": "300104000", "url": "/c300104000-uzeniny-a-lahudky",
+        "children": [
+            {"name": "Šunky a slaniny", "id": "300104001", "url": "/c300104001-sunky-a-slaniny"},
+            {"name": "Párky, klobásy a špekáčky", "id": "300104012", "url": "/c300104012-parky-klobasy-a-spekacky"},
+            {"name": "Salámy", "id": "300104007", "url": "/c300104007-salamy"},
+            {"name": "Hotová jídla a přílohy", "id": "300104049", "url": "/c300104049-hotova-jidla-a-prilohy"},
+            {"name": "Lahůdky", "id": "300104039", "url": "/c300104039-lahudky"},
+            {"name": "Paštiky a masné výrobky", "id": "300104016", "url": "/c300104016-pastiky-a-masne-vyrobky"},
+            {"name": "Saláty, pomazánky a pesta", "id": "300104032", "url": "/c300104032-salaty-pomazanky-a-pesta"},
+            {"name": "Zabijačkové speciality", "id": "300104020", "url": "/c300104020-zabijackove-speciality"},
+            {"name": "Dárkové koše a kazety", "id": "300121878", "url": "/c300121878-darkove-kose-a-kazety"},
+        ]
+    },
+    {
+        "name": "Mražené", "id": "300107000", "url": "/c300107000-mrazene",
+        "children": [
+            {"name": "Pizza", "id": "300107020", "url": "/c300107020-pizza"},
+            {"name": "Zmrzlina a led", "id": "300107035", "url": "/c300107035-zmrzlina-a-led"},
+            {"name": "Ovoce a zelenina", "id": "300122993", "url": "/c300122993-ovoce-a-zelenina"},
+            {"name": "Bramborové výrobky", "id": "300107024", "url": "/c300107024-bramborove-vyrobky"},
+            {"name": "Hotová jídla", "id": "300107028", "url": "/c300107028-hotova-jidla"},
+            {"name": "Pečivo, dezerty a dorty", "id": "300107041", "url": "/c300107041-pecivo-dezerty-a-dorty"},
+            {"name": "Ryby a mořské plody", "id": "300107014", "url": "/c300107014-ryby-a-morske-plody"},
+            {"name": "Maso a drůbež", "id": "300107010", "url": "/c300107010-maso-a-drubez"},
+        ]
+    },
+    {
+        "name": "Grilování", "id": "300117503", "url": "/c300117503-grilovani",
+        "children": [
+            {"name": "Rohlík doporučuje", "id": "300124865", "url": "/c300124865-rohlik-doporucuje"},
+            {"name": "Maso a ryby", "id": "300117505", "url": "/c300117505-maso-a-ryby"},
+            {"name": "Klobásy a slanina", "id": "300124497", "url": "/c300124497-klobasy-a-slanina"},
+            {"name": "Sýry", "id": "300121109", "url": "/c300121109-syry"},
+            {"name": "Pekárna", "id": "300117581", "url": "/c300117581-pekarna"},
+            {"name": "Zelenina, houby a bylinky", "id": "300124458", "url": "/c300124458-zelenina-houby-a-bylinky"},
+            {"name": "Sterilovaná zelenina a olivy", "id": "300124864", "url": "/c300124864-sterilovana-zelenina-a-olivy"},
+            {"name": "Plant based", "id": "300122070", "url": "/c300122070-plant-based"},
+            {"name": "Omáčky a koření", "id": "300117565", "url": "/c300117565-omacky-a-koreni"},
+            {"name": "Nápoje", "id": "300124465", "url": "/c300124465-napoje"},
+            {"name": "Příslušenství na grilování", "id": "300124489", "url": "/c300124489-prislusenstvi-na-grilovani"},
+        ]
+    },
+    {
+        "name": "Plant Based", "id": "300121429", "url": "/c300121429-plant-based",
+        "children": [
+            {"name": "Trvanlivé", "id": "300121448", "url": "/c300121448-trvanlive"},
+            {"name": "Nápoje", "id": "300121430", "url": "/c300121430-napoje"},
+            {"name": "Alternativy mléčného a chlazeného", "id": "300121486", "url": "/c300121486-alternativy-mlecneho-a-chlazeneho"},
+            {"name": "Alternativy uzenin a lahůdek", "id": "300121493", "url": "/c300121493-alternativy-uzenin-a-lahudek"},
+            {"name": "Pekárna a cukrárna", "id": "300121491", "url": "/c300121491-pekarna-a-cukrarna"},
+            {"name": "Mražené", "id": "300121492", "url": "/c300121492-mrazene"},
+            {"name": "Bezmasé a nerybí výrobky", "id": "300121488", "url": "/c300121488-bezmase-a-nerybi-vyrobky"},
+            {"name": "Ovoce a zelenina", "id": "300121436", "url": "/c300121436-ovoce-a-zelenina"},
+            {"name": "Dítě", "id": "300121470", "url": "/c300121470-dite"},
+            {"name": "Drogerie a kosmetika", "id": "300121621", "url": "/c300121621-drogerie-a-kosmetika"},
+        ]
+    },
+    {
+        "name": "Trvanlivé", "id": "300106000", "url": "/c300106000-trvanlive",
+        "children": [
+            {"name": "Sladkosti", "id": "300106128", "url": "/c300106128-sladkosti"},
+            {"name": "Přísady na pečení", "id": "300106001", "url": "/c300106001-prisady-na-peceni"},
+            {"name": "Konzervy, hotovky a instantní pokrmy", "id": "300123466", "url": "/c300123466-konzervy-hotovky-a-instantni-pokrmy"},
+            {"name": "Slané, snacky a ořechy", "id": "300123392", "url": "/c300123392-slane-snacky-a-orechy"},
+            {"name": "Koření a ochucovadla", "id": "300106031", "url": "/c300106031-koreni-a-ochucovadla"},
+            {"name": "Rýže, těstoviny, luštěniny, soja", "id": "300106096", "url": "/c300106096-ryze-testoviny-lusteniny-soja"},
+            {"name": "Džemy, medy, oříškové krémy, sladké pomazánky a sirupy", "id": "300106124", "url": "/c300106124-dzemy-medy-oriskove-kremy-sladke-pomazanky-a-sirupy"},
+            {"name": "Kečupy, hořčice a omáčky", "id": "300123436", "url": "/c300123436-kecupy-horcice-a-omacky"},
+            {"name": "Oleje a octy", "id": "300123421", "url": "/c300123421-oleje-a-octy"},
+            {"name": "Müsli, cereálie, kaše a tyčinky", "id": "300106117", "url": "/c300106117-muesli-cerealie-kase-a-tycinky"},
+        ]
+    },
+    {
+        "name": "Nápoje", "id": "300108000", "url": "/c300108000-napoje",
+        "children": [
+            {"name": "Vody a minerálky", "id": "300122110", "url": "/c300122110-vody-a-mineralky"},
+            {"name": "Limonády a energy", "id": "300122167", "url": "/c300122167-limonady-a-energy"},
+            {"name": "Piva a cidery", "id": "300108052", "url": "/c300108052-piva-a-cidery"},
+            {"name": "Džusy, ovocné nápoje a sirupy", "id": "300122136", "url": "/c300122136-dzusy-ovocne-napoje-a-sirupy"},
+            {"name": "Víno", "id": "300108064", "url": "/c300108064-vino"},
+            {"name": "Horké nápoje", "id": "300123000", "url": "/c300123000-horke-napoje"},
+            {"name": "Lihoviny", "id": "300108072", "url": "/c300108072-lihoviny"},
+            {"name": "Vozíme chlazené", "id": "300124505", "url": "/c300124505-vozime-chlazene"},
+            {"name": "Dětské nápoje", "id": "300122626", "url": "/c300122626-detske-napoje"},
+        ]
+    },
+    {
+        "name": "Speciální výživa", "id": "300112393", "url": "/c300112393-specialni-vyziva",
+        "children": [
+            {"name": "Bezlaktózové výrobky", "id": "300112395", "url": "/c300112395-bezlaktozove-vyrobky"},
+            {"name": "Fitness výživa", "id": "300115595", "url": "/c300115595-fitness-vyziva"},
+            {"name": "Bezlepkové výrobky", "id": "300112399", "url": "/c300112399-bezlepkove-vyrobky"},
+            {"name": "Potraviny se sníženým obsahem cukru", "id": "300112403", "url": "/c300112403-potraviny-se-snizenym-obsahem-cukru"},
+            {"name": "Veggie", "id": "300112843", "url": "/c300112843-veggie"},
+            {"name": "Alternativní strava", "id": "300124517", "url": "/c300124517-alternativni-strava"},
+            {"name": "Doplňky stravy", "id": "300115585", "url": "/c300115585-doplnky-stravy"},
+            {"name": "Nízkobílkovinové výrobky", "id": "300122547", "url": "/c300122547-nizkobilkovinove-vyrobky"},
+        ]
+    },
+    {
+        "name": "Kosmetika", "id": "300124206", "url": "/c300124206-kosmetika",
+        "children": [
+            {"name": "Vlasová péče", "id": "300124300", "url": "/c300124300-vlasova-pece"},
+            {"name": "Ústní hygiena", "id": "300124215", "url": "/c300124215-ustni-hygiena"},
+            {"name": "Pleťová péče a dekorativní kosmetika", "id": "300124327", "url": "/c300124327-pletova-pece-a-dekorativni-kosmetika"},
+            {"name": "Dámská hygiena", "id": "300124245", "url": "/c300124245-damska-hygiena"},
+            {"name": "Sprchové gely a mýdla a přísady do koupele", "id": "300124259", "url": "/c300124259-sprchove-gely-a-mydla-a-prisady-do-koupele"},
+            {"name": "Tělová péče", "id": "300124320", "url": "/c300124320-telova-pece"},
+            {"name": "Holení a depilace", "id": "300124337", "url": "/c300124337-holeni-a-depilace"},
+            {"name": "Deodoranty a parfémy", "id": "300124281", "url": "/c300124281-deodoranty-a-parfemy"},
+            {"name": "Pánský svět", "id": "300124350", "url": "/c300124350-pansky-svet"},
+            {"name": "Pro intimní chvíle", "id": "300124361", "url": "/c300124361-pro-intimni-chvile"},
+            {"name": "Kosmetické dárkové balíčky", "id": "300124366", "url": "/c300124366-kosmeticke-darkove-balicky"},
+            {"name": "Cestovní balení a produkty na léto", "id": "300124367", "url": "/c300124367-cestovni-baleni-a-produkty-na-leto"},
+        ]
+    },
+    {
+        "name": "Drogerie", "id": "300109000", "url": "/c300109000-drogerie",
+        "children": [
+            {"name": "Papírová a vatová hygiena", "id": "300109010", "url": "/c300109010-papirova-a-vatova-hygiena"},
+            {"name": "Prací prostředky", "id": "300109001", "url": "/c300109001-praci-prostredky"},
+            {"name": "Mytí nádobí", "id": "300109042", "url": "/c300109042-myti-nadobi"},
+            {"name": "Čisticí prostředky", "id": "300109028", "url": "/c300109028-cistici-prostredky"},
+            {"name": "Ekologická a šetrná drogerie", "id": "300124564", "url": "/c300124564-ekologicka-a-setrna-drogerie"},
+            {"name": "Dětské praní", "id": "300124266", "url": "/c300124266-detske-prani"},
+            {"name": "Velká balení", "id": "300124287", "url": "/c300124287-velka-baleni"},
+        ]
+    },
+    {
+        "name": "Domácnost a zahrada", "id": "300111000", "url": "/c300111000-domacnost-a-zahrada",
+        "children": [
+            {"name": "Úklidové potřeby", "id": "300124615", "url": "/c300124615-uklidove-potreby"},
+            {"name": "Dům, byt a garáž", "id": "300123083", "url": "/c300123083-dum-byt-a-garaz"},
+            {"name": "Kuchyňské potřeby", "id": "300124614", "url": "/c300124614-kuchynske-potreby"},
+            {"name": "Zahrada a květiny", "id": "300111043", "url": "/c300111043-zahrada-a-kvetiny"},
+            {"name": "Kancelář a papírnictví", "id": "300111034", "url": "/c300111034-kancelar-a-papirnictvi"},
+            {"name": "Dekorace, svíčky a vůně", "id": "300124685", "url": "/c300124685-dekorace-svicky-a-vune"},
+            {"name": "Trafika", "id": "300111091", "url": "/c300111091-trafika"},
+            {"name": "Oslavy a párty", "id": "300124678", "url": "/c300124678-oslavy-a-party"},
+            {"name": "Punčocháče a ponožky", "id": "300124722", "url": "/c300124722-puncochace-a-ponozky"},
+            {"name": "Knihy", "id": "300124157", "url": "/c300124157-knihy"},
+        ]
+    },
+]
+
+
+def get_leaf_categories(tree: list[dict] | None = None, parent_path: list[str] | None = None) -> list[dict]:
+    if tree is None:
+        tree = CATEGORY_TREE
+    if parent_path is None:
+        parent_path = []
+
+    leaves = []
+    for cat in tree:
+        current_path = parent_path + [cat["name"]]
+        children = cat.get("children")
+        if children:
+            leaves.extend(get_leaf_categories(children, current_path))
+        else:
+            leaves.append({
+                "id": cat["id"],
+                "name": cat["name"],
+                "url": cat["url"],
+                "path": current_path,
+                "parent_id": tree[0].get("id") if parent_path else None,
+            })
+    return leaves
+
+
+def get_all_categories_flat(tree: list[dict] | None = None, parent_id: str | None = None) -> list[dict]:
+    if tree is None:
+        tree = CATEGORY_TREE
+
+    result = []
+    for cat in tree:
+        result.append({
+            "category_id": cat["id"],
+            "name": cat["name"],
+            "url": cat["url"],
+            "parent_id": parent_id,
+            "has_children": bool(cat.get("children")),
+        })
+        if cat.get("children"):
+            result.extend(get_all_categories_flat(cat["children"], parent_id=cat["id"]))
+    return result
@@ -0,0 +1,27 @@
+"""
+Rohlik.cz Price Scraper - Configuration
+Version: 1.0.0
+Date: 2026-05-31
+
+Central configuration for the Rohlik.cz price scraper.
+Loads environment variables from .env file for credentials and MongoDB connection.
+Defines scraping parameters (scroll behavior, timeouts) and URL constants.
+"""
+
+import os
+from dotenv import load_dotenv
+
+load_dotenv()
+
+MONGO_URI = os.getenv("MONGO_URI", "mongodb://192.168.1.76:27017")
+MONGO_DB = os.getenv("MONGO_DB", "rohlik")
+
+ROHLIK_EMAIL = os.getenv("ROHLIK_EMAIL", "")
+ROHLIK_PASSWORD = os.getenv("ROHLIK_PASSWORD", "")
+
+BASE_URL = "https://www.rohlik.cz"
+
+AUTH_STATE_PATH = "auth_state.json"
+
+SCROLL_PAUSE = 1.5
+MAX_SCROLLS = 50
@@ -0,0 +1,88 @@
+"""
+Rohlik.cz Price Scraper - Database Operations
+Version: 1.0.0
+Date: 2026-05-31
+
+MongoDB operations for the Rohlik.cz price scraper.
+Collections: products, price_history, categories, scrape_runs.
+MongoDB server: 192.168.1.76 (no authentication).
+"""
+
+from datetime import datetime, timezone
+from pymongo import MongoClient, ASCENDING
+from config import MONGO_URI, MONGO_DB
+
+
+def get_db():
+    client = MongoClient(MONGO_URI)
+    return client[MONGO_DB]
+
+
+def ensure_indexes(db):
+    db.products.create_index([("product_id", ASCENDING)], unique=True)
+    db.products.create_index([("category_id", ASCENDING)])
+    db.products.create_index([("name", ASCENDING)])
+
+    db.price_history.create_index([("product_id", ASCENDING), ("scraped_at", ASCENDING)])
+    db.price_history.create_index([("scraped_at", ASCENDING)])
+
+    db.categories.create_index([("category_id", ASCENDING)], unique=True)
+
+    db.scrape_runs.create_index([("started_at", ASCENDING)])
+
+
+def upsert_product(db, product: dict):
+    now = datetime.now(timezone.utc)
+    product_id = product["product_id"]
+
+    db.products.update_one(
+        {"product_id": product_id},
+        {
+            "$set": {
+                "name": product["name"],
+                "category_id": product.get("category_id"),
+                "category_name": product.get("category_name"),
+                "amount": product.get("amount"),
+                "unit_price": product.get("unit_price"),
+                "image_url": product.get("image_url"),
+                "product_url": product.get("product_url"),
+                "category_path": product.get("category_path"),
+                "updated_at": now,
+            },
+            "$setOnInsert": {
+                "created_at": now,
+            },
+        },
+        upsert=True,
+    )
+
+    db.price_history.insert_one({
+        "product_id": product_id,
+        "price": product["price"],
+        "original_price": product.get("original_price"),
+        "discount_badge": product.get("discount_badge"),
+        "unit_price": product.get("unit_price"),
+        "scraped_at": now,
+    })
+
+
+def upsert_category(db, category: dict):
+    now = datetime.now(timezone.utc)
+    db.categories.update_one(
+        {"category_id": category["category_id"]},
+        {
+            "$set": {
+                "name": category["name"],
+                "url": category["url"],
+                "parent_id": category.get("parent_id"),
+                "has_children": category.get("has_children", False),
+                "updated_at": now,
+            },
+            "$setOnInsert": {"created_at": now},
+        },
+        upsert=True,
+    )
+
+
+def log_scrape_run(db, run_data: dict):
+    db.scrape_runs.insert_one(run_data)
@@ -0,0 +1,3 @@
+playwright==1.52.0
+pymongo==4.12.1
+python-dotenv==1.1.0
@@ -0,0 +1,254 @@
+"""
+Rohlik.cz Price Scraper - Main Scraper
+Version: 1.0.0
+Date: 2026-05-31
+
+Playwright-based scraper that iterates all leaf categories on Rohlik.cz,
+scrolls to lazy-load every product card, and extracts pricing data from the DOM.
+Supports authenticated scraping (prices differ for logged-in users).
+
+Usage:
+    python scraper.py --no-db --visible          # scrape to JSON, visible browser
+    python scraper.py --no-db --filter "Brambory" # scrape single category to JSON
+    python scraper.py                             # scrape to MongoDB
+    python scraper.py --visible                   # scrape to MongoDB, visible browser
+"""
+
+import re
+import json
+import logging
+from datetime import datetime, timezone
+from pathlib import Path
+
+from playwright.sync_api import sync_playwright, Page
+
+from config import (
+    BASE_URL, AUTH_STATE_PATH,
+    ROHLIK_EMAIL, ROHLIK_PASSWORD,
+    SCROLL_PAUSE, MAX_SCROLLS,
+)
+from categories import get_leaf_categories, get_all_categories_flat
+from db import get_db, ensure_indexes, upsert_product, upsert_category, log_scrape_run
+
+logging.basicConfig(level=logging.INFO, format="%(asctime)s %(levelname)s %(message)s")
+log = logging.getLogger(__name__)
+
+
+def parse_price(raw: str | None) -> float | None:
+    if not raw:
+        return None
+    digits = re.sub(r"[^\d]", "", raw)
+    if not digits:
+        return None
+    return int(digits) / 100
+
+
+def parse_original_price(raw: str | None) -> float | None:
+    if not raw:
+        return None
+    match = re.search(r"([\d\s]+[,.][\d]+)", raw.replace("\xa0", " "))
+    if match:
+        return float(match.group(1).replace(" ", "").replace(",", "."))
+    digits = re.sub(r"[^\d]", "", raw)
+    if digits:
+        return float(digits) / 100
+    return None
+
+
+def login(page: Page):
+    log.info("Logging in to Rohlik.cz...")
+    page.goto(BASE_URL, wait_until="domcontentloaded", timeout=60000)
+    page.wait_for_timeout(3000)
+
+    page.locator('text="Přihlásit se"').first.click()
+    page.wait_for_timeout(2000)
+
+    page.locator('input[type="email"], input[name="email"]').first.fill(ROHLIK_EMAIL)
+    page.locator('input[type="password"], input[name="password"]').first.fill(ROHLIK_PASSWORD)
+    page.locator('button[type="submit"]').first.click()
+    page.wait_for_timeout(5000)
+
+    page.context.storage_state(path=AUTH_STATE_PATH)
+    log.info("Login successful, auth state saved.")
+
+
+def scroll_to_load_all(page: Page) -> int:
+    prev_count = 0
+    for i in range(MAX_SCROLLS):
+        page.evaluate("window.scrollTo(0, document.body.scrollHeight)")
+        page.wait_for_timeout(int(SCROLL_PAUSE * 1000))
+        current_count = page.locator('[data-test^="productCard-AVAILABLE-"]').count()
+        if current_count == prev_count and i > 2:
+            break
+        prev_count = current_count
+    return prev_count
+
+
+def extract_products(page: Page, category: dict) -> list[dict]:
+    products_data = page.evaluate("""
+        () => {
+            const products = [];
+            document.querySelectorAll('[data-test^="productCard-AVAILABLE-"]').forEach(card => {
+                const id = card.getAttribute('data-test').replace('productCard-AVAILABLE-', '');
+                const nameEl = card.querySelector('[data-test="productCard-body-name"]');
+                const priceNoEl = card.querySelector('[data-test="productCard-body-price-priceNo"]');
+                const saleEl = card.querySelector('[data-test="productCard-body-price-sale"]');
+                const amountEl = card.querySelector('[data-test="productCard-footer-amount"]');
+                const unitPriceEl = card.querySelector('[data-test="productCard-footer-unitPrice"]');
+                const badgeEl = card.querySelector('[data-test="productCard-body-badge"]');
+                const imgEl = card.querySelector('img');
+                const linkEl = card.querySelector('a[href*="/"]');
+
+                products.push({
+                    product_id: id,
+                    name: nameEl?.textContent?.trim() || '',
+                    price_raw: priceNoEl?.textContent?.trim() || '',
+                    original_price_raw: saleEl?.textContent?.trim() || '',
+                    amount: amountEl?.textContent?.trim() || '',
+                    unit_price_raw: unitPriceEl?.textContent?.trim() || '',
+                    discount_badge: badgeEl?.textContent?.trim() || '',
+                    image_url: imgEl?.src || '',
+                    product_url: linkEl?.getAttribute('href') || '',
+                });
+            });
+            return products;
+        }
+    """)
+
+    results = []
+    for p in products_data:
+        results.append({
+            "product_id": p["product_id"],
+            "name": p["name"],
+            "price": parse_price(p["price_raw"]),
+            "original_price": parse_original_price(p["original_price_raw"]),
+            "discount_badge": p["discount_badge"] or None,
+            "amount": p["amount"] or None,
+            "unit_price": p["unit_price_raw"].strip() or None,
+            "image_url": p["image_url"] or None,
+            "product_url": f"{BASE_URL}{p['product_url']}" if p["product_url"] else None,
+            "category_id": category["id"],
+            "category_name": category["name"],
+            "category_path": " > ".join(category.get("path", [category["name"]])),
+        })
+    return results
+
+
+def scrape_leaf(page: Page, category: dict) -> list[dict]:
+    url = f"{BASE_URL}{category['url']}"
+    log.info("Scraping: %s (%s)", " > ".join(category.get("path", [category["name"]])), url)
+
+    page.goto(url, wait_until="domcontentloaded", timeout=60000)
+    page.wait_for_timeout(3000)
+
+    try:
+        page.wait_for_selector('[data-test^="productCard-AVAILABLE-"]', timeout=15000)
+    except Exception:
+        log.warning("  No products found in %s, skipping.", category["name"])
+        return []
+
+    total = scroll_to_load_all(page)
+    products = extract_products(page, category)
+    log.info("  %d products extracted (loaded %d)", len(products), total)
+    return products
+
+
+def run_scraper(
+    category_filter: str | None = None,
+    headless: bool = True,
+    save_to_db: bool = True,
+):
+    leaves = get_leaf_categories()
+    if category_filter:
+        category_filter_lower = category_filter.lower()
+        leaves = [c for c in leaves if category_filter_lower in " > ".join(c["path"]).lower()]
+
+    log.info("Will scrape %d leaf categories", len(leaves))
+
+    with sync_playwright() as pw:
+        ctx_args = {}
+        if Path(AUTH_STATE_PATH).exists():
+            ctx_args["storage_state"] = AUTH_STATE_PATH
+
+        browser = pw.chromium.launch(headless=headless)
+        context = browser.new_context(**ctx_args)
+        page = context.new_page()
+
+        page.goto(BASE_URL, wait_until="domcontentloaded", timeout=60000)
+        page.wait_for_timeout(5000)
+
+        is_logged_in = page.locator('text="Přihlásit se"').count() == 0
+        if not is_logged_in:
+            if ROHLIK_EMAIL and ROHLIK_PASSWORD:
+                login(page)
+                context = browser.new_context(storage_state=AUTH_STATE_PATH)
+                page = context.new_page()
+            else:
+                log.warning("Not logged in! Prices may differ from member prices.")
+
+        run_start = datetime.now(timezone.utc)
+        all_products = []
+        seen_ids = set()
+
+        db = None
+        if save_to_db:
+            db = get_db()
+            ensure_indexes(db)
+            for cat_data in get_all_categories_flat():
+                upsert_category(db, cat_data)
+
+        for leaf in leaves:
+            try:
+                products = scrape_leaf(page, leaf)
+                for p in products:
+                    if p["product_id"] not in seen_ids:
+                        seen_ids.add(p["product_id"])
+                        all_products.append(p)
+                        if db:
+                            upsert_product(db, p)
+            except Exception:
+                log.exception("Error scraping %s", leaf["name"])
+
+        run_end = datetime.now(timezone.utc)
+        run_data = {
+            "started_at": run_start,
+            "finished_at": run_end,
+            "duration_seconds": (run_end - run_start).total_seconds(),
+            "categories_scraped": len(leaves),
+            "products_scraped": len(all_products),
+        }
+
+        if db:
+            log_scrape_run(db, run_data)
+
+        log.info(
+            "Done: %d unique products from %d categories in %.1fs",
+            len(all_products), len(leaves), run_data["duration_seconds"],
+        )
+
+        browser.close()
+
+    return all_products
+
+
+def scrape_to_json(output_path: str = "products.json", **kwargs):
+    products = run_scraper(save_to_db=False, **kwargs)
+    with open(output_path, "w", encoding="utf-8") as f:
+        json.dump(products, f, ensure_ascii=False, indent=2, default=str)
+    log.info("Saved %d products to %s", len(products), output_path)
+    return products
+
+
+if __name__ == "__main__":
+    import argparse
+
+    parser = argparse.ArgumentParser(description="Rohlik.cz price scraper")
+    parser.add_argument("--no-db", action="store_true", help="Save to JSON instead of MongoDB")
+    parser.add_argument("--visible", action="store_true", help="Run browser in visible mode")
+    parser.add_argument("--filter", type=str, help="Filter categories by name (e.g. 'Ovoce', 'Zelenina > Rajčata')")
+    args = parser.parse_args()
+
+    if args.no_db:
+        scrape_to_json(category_filter=args.filter, headless=not args.visible)
+    else:
+        run_scraper(category_filter=args.filter, headless=not args.visible)