From 4754ce25fc1803d78a582beaae329b311fddd8c2 Mon Sep 17 00:00:00 2001
From: Kilian Koeltzsch <me@kilian.io>
Date: Wed, 13 Nov 2024 23:33:00 +0100
Subject: [PATCH] fetch rss data to augment meal data

---
 Sources/EmealKit/Mensa/MealFeed.swift |  4 ++++
 Sources/EmealKit/Mensa/MensaAPI.swift | 12 +++++++++++-
 2 files changed, 15 insertions(+), 1 deletion(-)

diff --git a/Sources/EmealKit/Mensa/MealFeed.swift b/Sources/EmealKit/Mensa/MealFeed.swift
index 776a644..7707f99 100644
--- a/Sources/EmealKit/Mensa/MealFeed.swift
+++ b/Sources/EmealKit/Mensa/MealFeed.swift
@@ -13,6 +13,10 @@ extension Meal {
         func matches(meal: Meal) -> Bool {
             return link.contains(String(meal.id))
         }
+
+        var isSoldOut: Bool {
+            title.lowercased().contains("ausverkauft")
+        }
     }
 
     public static func rssData(session: URLSession = .shared) async throws -> [RSSMeal] {
diff --git a/Sources/EmealKit/Mensa/MensaAPI.swift b/Sources/EmealKit/Mensa/MensaAPI.swift
index f6fe503..a2c2e9a 100644
--- a/Sources/EmealKit/Mensa/MensaAPI.swift
+++ b/Sources/EmealKit/Mensa/MensaAPI.swift
@@ -37,7 +37,17 @@ extension Meal {
             let (data, _) = try await session.data(from: URL.Mensa.meals(canteen: canteen, date: date))
             let meals = try JSONDecoder().decode([Meal].self, from: data)
             Logger.emealKit.debug("Successfully fetched \(meals.count) meals")
-            return meals
+
+            let feedItems = try await Self.rssData()
+            return meals.map { meal in
+                var meal = meal
+                let matchingItem = feedItems.first { $0.matches(meal: meal) }
+                if let matchingItem {
+                    Logger.emealKit.debug("Found matching feeditem for \(meal.id)")
+                    meal.isSoldOut = matchingItem.isSoldOut
+                }
+                return meal
+            }
         } catch (let error) {
             Logger.emealKit.error("Failed to fetch meal data: \(String(describing: error))")
             throw .other(error)