Use vanilla HTTP handlers (refactoring)

ui/subscription_submit.go

@@ -0,0 +1,89 @@
+// Copyright 2018 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 ui
+
+import (
+	"net/http"
+
+	"github.com/miniflux/miniflux/http/context"
+	"github.com/miniflux/miniflux/http/response"
+	"github.com/miniflux/miniflux/http/response/html"
+	"github.com/miniflux/miniflux/http/route"
+	"github.com/miniflux/miniflux/logger"
+	"github.com/miniflux/miniflux/reader/subscription"
+	"github.com/miniflux/miniflux/ui/form"
+	"github.com/miniflux/miniflux/ui/session"
+	"github.com/miniflux/miniflux/ui/view"
+)
+
+// SubmitSubscription try to find a feed from the URL provided by the user.
+func (c *Controller) SubmitSubscription(w http.ResponseWriter, r *http.Request) {
+	ctx := context.New(r)
+	sess := session.New(c.store, ctx)
+	v := view.New(c.tpl, ctx, sess)
+
+	user, err := c.store.UserByID(ctx.UserID())
+	if err != nil {
+		html.ServerError(w, err)
+		return
+	}
+
+	categories, err := c.store.Categories(user.ID)
+	if err != nil {
+		html.ServerError(w, err)
+		return
+	}
+
+	v.Set("categories", categories)
+	v.Set("menu", "feeds")
+	v.Set("user", user)
+	v.Set("countUnread", c.store.CountUnreadEntries(user.ID))
+
+	subscriptionForm := form.NewSubscriptionForm(r)
+	if err := subscriptionForm.Validate(); err != nil {
+		v.Set("form", subscriptionForm)
+		v.Set("errorMessage", err.Error())
+		html.OK(w, v.Render("add_subscription"))
+		return
+	}
+
+	subscriptions, err := subscription.FindSubscriptions(subscriptionForm.URL)
+	if err != nil {
+		logger.Error("[Controller:SubmitSubscription] %v", err)
+		v.Set("form", subscriptionForm)
+		v.Set("errorMessage", err)
+		html.OK(w, v.Render("add_subscription"))
+		return
+	}
+
+	logger.Debug("[UI:SubmitSubscription] %s", subscriptions)
+
+	n := len(subscriptions)
+	switch {
+	case n == 0:
+		v.Set("form", subscriptionForm)
+		v.Set("errorMessage", "Unable to find any subscription.")
+		html.OK(w, v.Render("add_subscription"))
+	case n == 1:
+		feed, err := c.feedHandler.CreateFeed(user.ID, subscriptionForm.CategoryID, subscriptions[0].URL, subscriptionForm.Crawler)
+		if err != nil {
+			v.Set("form", subscriptionForm)
+			v.Set("errorMessage", err)
+			html.OK(w, v.Render("add_subscription"))
+			return
+		}
+
+		response.Redirect(w, r, route.Path(c.router, "feedEntries", "feedID", feed.ID))
+	case n > 1:
+		v := view.New(c.tpl, ctx, sess)
+		v.Set("subscriptions", subscriptions)
+		v.Set("categoryID", subscriptionForm.CategoryID)
+		v.Set("menu", "feeds")
+		v.Set("user", user)
+		v.Set("countUnread", c.store.CountUnreadEntries(user.ID))
+
+		html.OK(w, v.Render("choose_subscription"))
+	}
+}