Add a ChannelOptions table in the DB

And a way to retrieve its values, defaulting on the ServerOptions for unset
values.

database/database.xml

@@ -14,12 +14,30 @@
         <field name="realname" type="string" length="1024" default=""/>
         <field name="verifyCert" type="boolean" default="true"/>
 
+        <field name="encodingOut" type="string" default="utf-8"/>
+        <field name="encodingIn"  type="string" default="utf-8"/>
+
         <index unique="true">
             <indexfield name="owner"/>
             <indexfield name="server"/>
         </index>
     </object>
 
+    <object name="IrcChannelOptions">
+        <field name="owner" type="string" length="3071"/>
+        <field name="server" type="string" length="3071"/>
+        <field name="channel" type="string" length="1024"/>
+
+        <field name="encodingOut" type="string"/>
+        <field name="encodingIn"  type="string"/>
+
+        <index unique="true">
+            <indexfield name="owner"/>
+            <indexfield name="server"/>
+            <indexfield name="channel"/>
+        </index>
+    </object>
+
     <object name="LogLine">
         <field name="date" type="date" />
         <field name="body" type="string" length="4096"/>

src/database/database.cpp

@@ -49,6 +49,39 @@ db::IrcServerOptions Database::get_irc_server_options(const std::string& owner,
   }
 }
 
+db::IrcChannelOptions Database::get_irc_channel_options(const std::string& owner,
+                                                        const std::string& server,
+                                                        const std::string& channel)
+{
+  try {
+    auto options = litesql::select<db::IrcChannelOptions>(Database::get_db(),
+                                                         db::IrcChannelOptions::Owner == owner &&
+                                                         db::IrcChannelOptions::Server == server &&
+                                                         db::IrcChannelOptions::Channel == channel).one();
+    return options;
+  } catch (const litesql::NotFound& e) {
+    db::IrcChannelOptions options(Database::get_db());
+    options.owner = owner;
+    options.server = server;
+    options.channel = channel;
+    return options;
+  }
+}
+
+db::IrcChannelOptions Database::get_irc_channel_options_with_server_default(const std::string& owner,
+                                                                            const std::string& server,
+                                                                            const std::string& channel)
+{
+  auto coptions = Database::get_irc_channel_options(owner, server, channel);
+  auto soptions = Database::get_irc_server_options(owner, server);
+  if (coptions.encodingIn.value().empty())
+    coptions.encodingIn = soptions.encodingIn;
+  if (coptions.encodingOut.value().empty())
+    coptions.encodingOut = soptions.encodingOut;
+
+  return coptions;
+}
+
 void Database::close()
 {
   Database::db.reset(nullptr);

src/database/database.hpp

@@ -29,6 +29,12 @@ public:
    */
   static db::IrcServerOptions get_irc_server_options(const std::string& owner,
                                                      const std::string& server);
+  static db::IrcChannelOptions get_irc_channel_options(const std::string& owner,
+                                                       const std::string& server,
+                                                       const std::string& channel);
+  static db::IrcChannelOptions get_irc_channel_options_with_server_default(const std::string& owner,
+                                                                           const std::string& server,
+                                                                           const std::string& channel);
 
   static void close();
 

tests/database.cpp

@@ -9,6 +9,9 @@ TEST_CASE("Database")
 #ifdef USE_DATABASE
   Config::set("db_name", ":memory:");
   Database::set_verbose(false);
+
+  SECTION("Basic retrieve and update")
+    {
       auto o = Database::get_irc_server_options("zouzou@example.com", "irc.example.com");
       o.update();
       auto a = Database::get_irc_server_options("zouzou@example.com", "irc.example.com");
@@ -23,6 +26,65 @@ TEST_CASE("Database")
 
       CHECK(b.pass == "");
       CHECK(b.pass.value() == "");
+    }
+
+  SECTION("channel options")
+    {
+      Config::set("db_name", ":memory:");
+      auto o = Database::get_irc_channel_options("zouzou@example.com", "irc.example.com", "#foo");
+
+      CHECK(o.encodingIn == "");
+      o.encodingIn = "ISO-8859-1";
+      o.update();
+      auto b = Database::get_irc_channel_options("zouzou@example.com", "irc.example.com", "#foo");
+      CHECK(o.encodingIn == "ISO-8859-1");
+    }
+
+  SECTION("Channel options with server default")
+    {
+      const std::string owner{"zouzou@example.com"};
+      const std::string server{"irc.example.com"};
+      const std::string chan1{"#foo"};
+
+      auto c = Database::get_irc_channel_options(owner, server, chan1);
+      auto s = Database::get_irc_server_options(owner, server);
+
+      GIVEN("An option defined for the channel but not the server")
+      {
+        c.encodingIn = "channelEncoding";
+        c.update();
+        WHEN("we fetch that option")
+          {
+            auto r = Database::get_irc_channel_options_with_server_default(owner, server, chan1);
+            THEN("we get the channel option")
+              CHECK(r.encodingIn == "channelEncoding");
+          }
+      }
+      GIVEN("An option defined for the server but not the channel")
+        {
+          s.encodingIn = "serverEncoding";
+          s.update();
+        WHEN("we fetch that option")
+          {
+            auto r = Database::get_irc_channel_options_with_server_default(owner, server, chan1);
+            THEN("we get the server option")
+              CHECK(r.encodingIn == "serverEncoding");
+          }
+        }
+      GIVEN("An option defined for both the server and the channel")
+        {
+          s.encodingIn = "serverEncoding";
+          s.update();
+          c.encodingIn = "channelEncoding";
+          c.update();
+        WHEN("we fetch that option")
+          {
+            auto r = Database::get_irc_channel_options_with_server_default(owner, server, chan1);
+            THEN("we get the channel option")
+              CHECK(r.encodingIn == "channelEncoding");
+          }
+        }
+    }
 
   Database::close();
 #endif