finished relation completer

demo/sandbox.cpp

@@ -4,6 +4,7 @@
 
 #include "author.hpp"
 #include "book.hpp"
+#include "recipe.hpp"
 
 #include <iostream>
 
@@ -54,6 +55,51 @@
  *    - set foreign endpoint of (2) to endpoint (1)
  *  - check relation endpoints...
  */
+
+namespace demo {
+struct names {
+    unsigned int id{};
+    std::vector<std::string> names_list;
+
+    template<typename Operator>
+    void process(Operator &op) {
+        namespace field = matador::access;
+        field::primary_key( op, "id", id );
+        field::has_many(op, "name_list", names_list, "names_id", matador::utils::fetch_type::EAGER);
+    }
+};
+
+struct user;
+struct profile {
+    unsigned int id{};
+    std::string first_name;
+    std::string last_name;
+    matador::object::object_ptr<user> user;
+
+    template<typename Operator>
+    void process(Operator &op) {
+        namespace field = matador::access;
+        field::primary_key( op, "id", id );
+        field::attribute( op, "first_name", first_name, 255 );
+        field::attribute( op, "last_name", last_name, 255 );
+        field::belongs_to( op, "user_id", user, matador::utils::default_foreign_attributes );
+    }
+};
+struct user {
+    unsigned int id{};
+    std::string username;
+    matador::object::object_ptr<profile> profile;
+
+    template<typename Operator>
+    void process(Operator &op) {
+        namespace field = matador::access;
+        field::primary_key( op, "id", id );
+        field::attribute( op, "username", username, 255 );
+        field::has_one(op, "profile_id", profile, matador::utils::default_foreign_attributes );
+    }
+};
+}
+
 using namespace demo;
 using namespace matador;
 
@@ -62,6 +108,15 @@ int main() {
   logger::add_log_sink(logger::create_stdout_sink());
 
   {
+    // has_many with builtin-type
+    object::schema schema;
+
+    auto result = schema.attach<names>("names");
+
+    schema.dump(std::cout);
+  }
+  {
+    // has_many to belongs_to
     object::schema schema;
 
     auto result = schema.attach<author>("authors")
@@ -70,6 +125,7 @@ int main() {
     schema.dump(std::cout);
   }
   {
+    // belongs_to to has_many
     object::schema schema;
 
     auto result = schema.attach<book>("books")
@@ -77,4 +133,40 @@ int main() {
 
     schema.dump(std::cout);
   }
+  {
+    // has_many_to_many (with join columns first)
+    object::schema schema;
+
+    auto result = schema.attach<ingredient>("ingredients")
+        .and_then([&schema] { return schema.attach<recipe>("recipes"); });
+
+    schema.dump(std::cout);
+  }
+  {
+    // has_many_to_many (with join columns last)
+    object::schema schema;
+
+    auto result = schema.attach<recipe>("recipes")
+        .and_then([&schema] { return schema.attach<ingredient>("ingredients"); });
+
+    schema.dump(std::cout);
+  }
+  {
+    // belongs_to to has_one
+    object::schema schema;
+
+    auto result = schema.attach<profile>("profiles")
+        .and_then([&schema] { return schema.attach<user>("users"); });
+
+    schema.dump(std::cout);
+  }
+  {
+    // has_one to belongs_to
+    object::schema schema;
+
+    auto result = schema.attach<user>("users")
+        .and_then([&schema] { return schema.attach<profile>("profiles"); });
+
+    schema.dump(std::cout);
+  }
 }