Add supoort for task response result url value

2 files changed, 27 insertions, 5 deletions

diff --git a/bbot/manifest b/bbot/manifest
index 218282f..44e2662 100644
--- a/bbot/manifest
+++ b/bbot/manifest
@@ -131,7 +131,7 @@ namespace bbot
     //
     std::string session;
 
-    // Challenge and task are absent if session is empty.
+    // Challenge, result url and task are absent if session is empty.
     //
     butl::optional<std::string> challenge;
     butl::optional<std::string> result_url;
diff --git a/bbot/manifest.cxx b/bbot/manifest.cxx
index 35e472c..b183596 100644
--- a/bbot/manifest.cxx
+++ b/bbot/manifest.cxx
@@ -538,6 +538,16 @@ namespace bbot
 
         challenge = move (v);
       }
+      else if (n == "result-url")
+      {
+        if (result_url)
+          bad_name ("task response result url redefinition");
+
+        if (v.empty ())
+          bad_value ("empty task response result url");
+
+        result_url = move (v);
+      }
       else if (!iu)
         bad_name ("unknown name '" + n + "' in task response manifest");
     }
@@ -550,16 +560,25 @@ namespace bbot
 
     session = move (*sess);
 
-    // If session is not empty then the challenge must present, otherwise it
-    // shouldn't.
+    // If session is not empty then the challenge and the result url must
+    // present, otherwise they shouldn't.
     //
     if (!session.empty ())
     {
       if (!challenge)
         bad_value ("no task response challenge specified");
+
+      if (!result_url)
+        bad_value ("no task response result url specified");
+    }
+    else
+    {
+      if (challenge)
+        bad_value ("unexpected task response challenge");
+
+      if (result_url)
+        bad_value ("unexpected task response result url");
     }
-    else if (challenge)
-      bad_value ("unexpected task response challenge");
 
     // If session is not empty then the task manifest must follow, otherwise it
     // shouldn't.
@@ -595,6 +614,9 @@ namespace bbot
     if (challenge)
       s.next ("challenge", *challenge);
 
+    if (result_url)
+      s.next ("result-url", *result_url);
+
     s.next ("", ""); // End of manifest.
 
     if (task)