Refactor packages to have more idiomatic code base

http/handler/handler.go

@@ -0,0 +1,70 @@
+// Copyright 2017 Frédéric Guillot. All rights reserved.
+// Use of this source code is governed by the Apache 2.0
+// license that can be found in the LICENSE file.
+
+package handler
+
+import (
+	"net/http"
+	"time"
+
+	"github.com/miniflux/miniflux/config"
+	"github.com/miniflux/miniflux/http/middleware"
+	"github.com/miniflux/miniflux/locale"
+	"github.com/miniflux/miniflux/logger"
+	"github.com/miniflux/miniflux/storage"
+	"github.com/miniflux/miniflux/template"
+	"github.com/miniflux/miniflux/timer"
+
+	"github.com/gorilla/mux"
+	"github.com/tomasen/realip"
+)
+
+// ControllerFunc is an application HTTP handler.
+type ControllerFunc func(ctx *Context, request *Request, response *Response)
+
+// Handler manages HTTP handlers and middlewares.
+type Handler struct {
+	cfg        *config.Config
+	store      *storage.Storage
+	translator *locale.Translator
+	template   *template.Engine
+	router     *mux.Router
+	middleware *middleware.Chain
+}
+
+// Use is a wrapper around an HTTP handler.
+func (h *Handler) Use(f ControllerFunc) http.Handler {
+	return h.middleware.WrapFunc(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+		defer timer.ExecutionTime(time.Now(), r.URL.Path)
+		logger.Debug("[HTTP] %s %s %s", realip.RealIP(r), r.Method, r.URL.Path)
+
+		if r.Header.Get("X-Forwarded-Proto") == "https" {
+			h.cfg.IsHTTPS = true
+		}
+
+		ctx := NewContext(r, h.store, h.router, h.translator)
+		request := NewRequest(r)
+		response := NewResponse(w, r, h.template)
+
+		if ctx.IsAuthenticated() {
+			h.template.SetLanguage(ctx.UserLanguage())
+		} else {
+			h.template.SetLanguage("en_US")
+		}
+
+		f(ctx, request, response)
+	}))
+}
+
+// NewHandler returns a new Handler.
+func NewHandler(cfg *config.Config, store *storage.Storage, router *mux.Router, template *template.Engine, translator *locale.Translator, middleware *middleware.Chain) *Handler {
+	return &Handler{
+		cfg:        cfg,
+		store:      store,
+		translator: translator,
+		router:     router,
+		template:   template,
+		middleware: middleware,
+	}
+}