Split reusable components of pretix' NFC usage across libpretixnfc, libpretixsync and libpretixui

Author: pc-coholic

libpretixsync/src/main/java/eu/pretix/libpretixsync/utils/MediaUtils.kt

@@ -0,0 +1,30 @@
+package eu.pretix.libpretixsync.utils
+
+import eu.pretix.libpretixsync.db.ReusableMediaType
+
+fun getActiveMediaTypes(
+    settingsManager: SettingsManager,
+    eventSlug: String?
+): List<ReusableMediaType> {
+    if (eventSlug.isNullOrBlank()) {
+        return emptyList()
+    }
+
+    val settings = settingsManager.getBySlug(eventSlug)
+    if (settings == null) {
+        return emptyList()
+    }
+    val l = mutableListOf<ReusableMediaType>()
+
+    if (settings.json.optBoolean("reusable_media_type_barcode")) {
+        l.add(ReusableMediaType.BARCODE)
+    }
+    if (settings.json.optBoolean("reusable_media_type_nfc_uid")) {
+        l.add(ReusableMediaType.NFC_UID)
+    } else {
+        if (settings.json.optBoolean("reusable_media_type_nfc_mf0aes")) {
+            l.add(ReusableMediaType.NFC_MF0AES)
+        }
+    }
+    return l
+}

libpretixsync/src/main/java/eu/pretix/libpretixsync/utils/Settings.kt

@@ -0,0 +1,7 @@
+package eu.pretix.libpretixsync.utils
+
+import eu.pretix.libpretixsync.models.Settings
+
+interface SettingsManager {
+    fun getBySlug(eventSlug: String): Settings?
+}