add login page

1 files changed, 32 insertions, 0 deletions

diff --git a/src/guff.cr b/src/guff.cr
index 7d846be..dd21857 100644
--- a/src/guff.cr
+++ b/src/guff.cr
@@ -195,6 +195,10 @@ module Guff
     class AdminPageView < View
       ECR.def_to_s("src/views/admin-page.ecr")
     end
+
+    class LoginPageView < View
+      ECR.def_to_s("src/views/login-page.ecr")
+    end
   end
 
   module Handlers
@@ -327,6 +331,29 @@ module Guff
       end
     end
 
+    class LoginPageHandler < Handler
+      PATH_RE = %r{^/guff/login/$}
+      VALID_METHODS = %w{GET HEAD}
+
+      def call(context : HTTP::Server::Context)
+        if VALID_METHODS.includes?(context.request.method) &&
+           PATH_RE.match(context.request.path.not_nil!)
+          case context.request.method
+          when "GET"
+            context.response.content_type = "text/html; charset=utf-8"
+            context.response.status_code = 200
+            Views::LoginPageView.new(@context).to_s(context.response.output)
+          when "POST"
+            # TODO: try login
+          else
+            raise "invalid HTTP method"
+          end
+        else
+          call_next(context)
+        end
+      end
+    end
+
     HANDLERS = [{
       dev:  true,
       id:   :error,
@@ -345,6 +372,9 @@ module Guff
     }, {
       dev:  false,
       id:   :admin,
+    }, {
+      dev:  false,
+      id:   :login,
     }]
 
     def self.get(context : Context) : Array(HTTP::Handler)
@@ -374,6 +404,8 @@ module Guff
         AssetsHandler.new(context)
       when :admin
         AdminPageHandler.new(context)
+      when :login
+        LoginPageHandler.new(context)
       else
         raise "unknown handler id: #{handler_id}"
       end