fix(desktop): in DesktopLocalDataSource throw exception if backpack n…

…ot saved
IntelligentBackpack · May 17, 2023 · 0206b5f · 0206b5f
1 parent a2049a0
commit 0206b5f
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Showing 2 changed files with 7 additions and 4 deletions.
diff --git a/.../src/main/kotlin/com/intelligentbackpack/desktopdata/datasource/DesktopLocalDataSource.kt b/.../src/main/kotlin/com/intelligentbackpack/desktopdata/datasource/DesktopLocalDataSource.kt
@@ -60,7 +60,7 @@ interface DesktopLocalDataSource {
     /**
      * Get the backpack hash
      */
-    fun getBackpack(): String
+    fun getBackpack(): String?
 
     /**
      * Associate the backpack to the desktop

diff --git a/.../main/kotlin/com/intelligentbackpack/desktopdata/datasource/DesktopLocalDataSourceImpl.kt b/.../main/kotlin/com/intelligentbackpack/desktopdata/datasource/DesktopLocalDataSourceImpl.kt
@@ -86,9 +86,12 @@ class DesktopLocalDataSourceImpl(
         database.desktopDao().takeSchoolSuppliesFromBackpack(rfid)
     }
 
-    override fun getBackpack(): String {
-        return storage.getBackpack()
-    }
+    override fun getBackpack(): String? =
+        if (storage.isBackpackSaved()) {
+            storage.getBackpack()
+        } else {
+            null
+        }
 
     override fun associateBackpack(hash: String) {
         storage.saveBackpack(hash)