Split routes in server.cr into small files

src/routes/admin.cr

@@ -0,0 +1,103 @@
+require "./router"
+
+class AdminRouter < Router
+	def setup
+		get "/admin" do |env|
+			layout "admin"
+		end
+
+		get "/admin/user" do |env|
+			users = @context.storage.list_users
+			username = get_username env
+			layout "user"
+		end
+
+		get "/admin/user/edit" do |env|
+			username = env.params.query["username"]?
+			admin = env.params.query["admin"]?
+			if admin
+				admin = admin == "true"
+			end
+			error = env.params.query["error"]?
+				current_user = get_username env
+			new_user = username.nil? && admin.nil?
+			layout "user-edit"
+		end
+
+		post "/admin/user/edit" do |env|
+			# creating new user
+			begin
+				username = env.params.body["username"]
+				password = env.params.body["password"]
+				# if `admin` is unchecked, the body hash
+				# 	would not contain `admin`
+				admin = !env.params.body["admin"]?.nil?
+
+				if username.size < 3
+					raise "Username should contain at least 3 characters"
+				end
+				if (username =~ /^[A-Za-z0-9_]+$/).nil?
+					raise "Username should contain alphanumeric characters "\
+						"and underscores only"
+				end
+				if password.size < 6
+					raise "Password should contain at least 6 characters"
+				end
+				if (password =~ /^[[:ascii:]]+$/).nil?
+					raise "password should contain ASCII characters only"
+				end
+
+				@context.storage.new_user username, password, admin
+
+				env.redirect "/admin/user"
+			rescue e
+				@context.error e
+				redirect_url = URI.new \
+					path: "/admin/user/edit",\
+					query: hash_to_query({"error" => e.message})
+				env.redirect redirect_url.to_s
+			end
+		end
+
+		post "/admin/user/edit/:original_username" do |env|
+			# editing existing user
+			begin
+				username = env.params.body["username"]
+				password = env.params.body["password"]
+				# if `admin` is unchecked, the body
+				#	hash would not contain `admin`
+				admin = !env.params.body["admin"]?.nil?
+				original_username = env.params.url["original_username"]
+
+				if username.size < 3
+					raise "Username should contain at least 3 characters"
+				end
+				if (username =~ /^[A-Za-z0-9_]+$/).nil?
+					raise "Username should contain alphanumeric characters "\
+						"and underscores only"
+				end
+
+				if password.size != 0
+					if password.size < 6
+						raise "Password should contain at least 6 characters"
+					end
+					if (password =~ /^[[:ascii:]]+$/).nil?
+						raise "password should contain ASCII characters only"
+					end
+				end
+
+				@context.storage.update_user \
+					original_username, username, password, admin
+
+				env.redirect "/admin/user"
+			rescue e
+				@context.error e
+				redirect_url = URI.new \
+					path: "/admin/user/edit",\
+					query: hash_to_query({"username" => original_username, \
+						   "admin" => admin, "error" => e.message})
+					env.redirect redirect_url.to_s
+			end
+		end
+	end
+end