Add Mölndal source (#2332)

* Add Mölndal source

* reformatting

---------

Co-authored-by: 5ila5 <5ila5@users.noreply.github.com>

README.md

@@ -1212,6 +1212,7 @@ Waste collection schedules in the following formats and countries are supported.
 - [Lerum Vatten och Avlopp](/doc/source/lerum_se.md) / vatjanst.lerum.se
 - [Linköping - Tekniska Verken](/doc/source/tekniskaverken_se.md) / tekniskaverken.se
 - [Lund Waste Collection](/doc/source/lund_se.md) / eservice431601.lund.se
+- [Mölndal](/doc/source/molndal_se.md) / molndal.se
 - [Norrtalje Vatten & Avfall](/doc/source/nvaa_se.md) / sjalvservice.nvaa.se
 - [North / Middle Bohuslän - Rambo AB](/doc/source/rambo_se.md) / rambo.se
 - [Region Gotland](/doc/source/gotland_se.md) / gotland.se

custom_components/waste_collection_schedule/sources.json

@@ -6425,6 +6425,11 @@
       "module": "lund_se",
       "default_params": {}
     },
+    {
+      "title": "M\u00f6lndal",
+      "module": "molndal_se",
+      "default_params": {}
+    },
     {
       "title": "Norrtalje Vatten & Avfall",
       "module": "nvaa_se",

custom_components/waste_collection_schedule/translations/en.json

@@ -275,7 +275,8 @@
           "zipCode": "Zip Code",
           "garden_cutomer": "Garden Cutomer",
           "app": "App",
-          "service_provider": "Service Provider"
+          "service_provider": "Service Provider",
+          "facility_id": "Facility Id"
         },
         "data_description": {
           "calendar_title": "A more readable, or user-friendly, name for the waste calendar. If nothing is provided, the name returned by the source will be used."
@@ -522,7 +523,8 @@
           "zipCode": "Zip Code",
           "garden_cutomer": "Garden Cutomer",
           "app": "App",
-          "service_provider": "Service Provider"
+          "service_provider": "Service Provider",
+          "facility_id": "Facility Id"
         }
       }
     },

custom_components/waste_collection_schedule/waste_collection_schedule/source/molndal_se.py

@@ -0,0 +1,39 @@
+from datetime import datetime
+
+import requests
+from waste_collection_schedule import Collection  # type: ignore[attr-defined]
+
+TITLE = "Mölndal"
+DESCRIPTION = "Source for Mölndal waste collection."
+URL = "https://molndal.se"
+TEST_CASES = {"105000": {"facility_id": "105000"}, "109400": {"facility_id": 109400}}
+
+API_URL = "https://future.molndal.se/FutureWeb/SimpleWastePickup"
+
+
+class Source:
+    def __init__(self, facility_id: int | str):
+        self.facility_id: str = str(facility_id)
+
+    def fetch(self):
+        url = f"{API_URL}/GetWastePickupSchedule"
+        params = {"address": f"({self.facility_id})"}
+        response = requests.get(url, params=params, timeout=30)
+        response.raise_for_status()
+
+        data = response.json()
+
+        entries = []
+        for item in data["RhServices"]:
+            next_pickup = item["NextWastePickup"]
+            if not next_pickup:
+                continue
+
+            next_pickup_date = datetime.strptime(next_pickup, "%Y-%m-%d").date()
+            waste_type = item["WasteType"]
+
+            entries.append(
+                Collection(date=next_pickup_date, t=waste_type, icon="mdi:trash-can")
+            )
+
+        return entries

doc/source/molndal_se.md

@@ -0,0 +1,34 @@
+# Mölndal
+
+This is a waste collection schedule integration for the Mölndal.
+Mölndal is using EDPEvent but does not allow for address search.
+
+## Configuration via configuration.yaml
+
+```yaml
+waste_collection_schedule:
+  sources:
+    - name: molndal_se
+      args:
+        facility_id: FACILITY_ID
+```
+
+### Configuration Variables
+
+**facility_id**  
+*(number) (required)*
+
+## Examples
+
+```yaml
+waste_collection_schedule:
+  sources:
+    - name: molndal_se
+      args:
+        facility_id: 105000
+```
+
+## How to get the correct facility id
+
+Your facility_id (Anläggning) can be found on invoices from Mölndals stad or
+by the [Mölndals stad e-tjänst](https://etjanst.molndal.se/oversikt/overview/720).