From 51dcb39c9398123bf6bdf803d09f5f1d6bb6a1d7 Mon Sep 17 00:00:00 2001
From: Paul Schneider <paul@pschneider.fr>
Date: Sun, 11 Dec 2022 16:11:12 +0000
Subject: [PATCH] support alias as default source

---
 src/isn/Settings.cs | 30 +++++++++++++++++++++++++++---
 1 file changed, 27 insertions(+), 3 deletions(-)

diff --git a/src/isn/Settings.cs b/src/isn/Settings.cs
index 7bf03b9..bbad901 100644
--- a/src/isn/Settings.cs
+++ b/src/isn/Settings.cs
@@ -1,4 +1,6 @@
+using System;
 using System.Collections.Generic;
+using System.Linq;
 
 namespace isn
 {
@@ -10,10 +12,32 @@ namespace isn
 
     public class Settings
     {
-        public string DataProtectionTitle {get; set; }
+        public string DataProtectionTitle { get; set; }
         public Dictionary<string, SourceSettings> Sources { get; set; }
 
         public bool AutoUpdateApiKey { get; set; } = false;
-        public string DefaultSource { get; set; }
+
+        private string source;
+        /// <summary>
+        /// Default Url or alias for the source
+        /// </summary>
+        /// <value></value>
+        public string DefaultSource
+        {
+            get => source;
+            set
+            {
+                if (Sources.ContainsKey(value))
+                {
+                    source = value;
+                    return;
+                }
+                if (Sources.Values.Any(s => s.Alias == value))
+                {
+                    source = Sources[value].Alias;
+                }
+                throw new InvalidOperationException("Add it to Sources before, with an API key, as source or alias .");
+            }
+        }
     }
-}
\ No newline at end of file
+}