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miniflux/ui/subscription.go
2018-01-29 20:47:09 -08:00

145 lines
4.3 KiB
Go

// 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 ui
import (
"github.com/miniflux/miniflux/http/handler"
"github.com/miniflux/miniflux/logger"
"github.com/miniflux/miniflux/model"
"github.com/miniflux/miniflux/reader/subscription"
"github.com/miniflux/miniflux/ui/form"
)
// Bookmarklet prefill the form to add a subscription from the URL provided by the bookmarklet.
func (c *Controller) Bookmarklet(ctx *handler.Context, request *handler.Request, response *handler.Response) {
user := ctx.LoggedUser()
args, err := c.getSubscriptionFormTemplateArgs(ctx, user)
if err != nil {
response.HTML().ServerError(err)
return
}
bookmarkletURL := request.QueryStringParam("uri", "")
response.HTML().Render("add_subscription", args.Merge(tplParams{
"form": &form.SubscriptionForm{URL: bookmarkletURL},
}))
}
// AddSubscription shows the form to add a new feed.
func (c *Controller) AddSubscription(ctx *handler.Context, request *handler.Request, response *handler.Response) {
user := ctx.LoggedUser()
args, err := c.getSubscriptionFormTemplateArgs(ctx, user)
if err != nil {
response.HTML().ServerError(err)
return
}
response.HTML().Render("add_subscription", args)
}
// SubmitSubscription try to find a feed from the URL provided by the user.
func (c *Controller) SubmitSubscription(ctx *handler.Context, request *handler.Request, response *handler.Response) {
user := ctx.LoggedUser()
args, err := c.getSubscriptionFormTemplateArgs(ctx, user)
if err != nil {
response.HTML().ServerError(err)
return
}
subscriptionForm := form.NewSubscriptionForm(request.Request())
if err := subscriptionForm.Validate(); err != nil {
response.HTML().Render("add_subscription", args.Merge(tplParams{
"form": subscriptionForm,
"errorMessage": err.Error(),
}))
return
}
subscriptions, err := subscription.FindSubscriptions(subscriptionForm.URL)
if err != nil {
logger.Error("[Controller:SubmitSubscription] %v", err)
response.HTML().Render("add_subscription", args.Merge(tplParams{
"form": subscriptionForm,
"errorMessage": err,
}))
return
}
logger.Debug("[UI:SubmitSubscription] %s", subscriptions)
n := len(subscriptions)
switch {
case n == 0:
response.HTML().Render("add_subscription", args.Merge(tplParams{
"form": subscriptionForm,
"errorMessage": "Unable to find any subscription.",
}))
case n == 1:
feed, err := c.feedHandler.CreateFeed(user.ID, subscriptionForm.CategoryID, subscriptions[0].URL, subscriptionForm.Crawler)
if err != nil {
response.HTML().Render("add_subscription", args.Merge(tplParams{
"form": subscriptionForm,
"errorMessage": err,
}))
return
}
response.Redirect(ctx.Route("feedEntries", "feedID", feed.ID))
case n > 1:
response.HTML().Render("choose_subscription", args.Merge(tplParams{
"categoryID": subscriptionForm.CategoryID,
"subscriptions": subscriptions,
}))
}
}
// ChooseSubscription shows a page to choose a subscription.
func (c *Controller) ChooseSubscription(ctx *handler.Context, request *handler.Request, response *handler.Response) {
user := ctx.LoggedUser()
args, err := c.getSubscriptionFormTemplateArgs(ctx, user)
if err != nil {
response.HTML().ServerError(err)
return
}
subscriptionForm := form.NewSubscriptionForm(request.Request())
if err := subscriptionForm.Validate(); err != nil {
response.HTML().Render("add_subscription", args.Merge(tplParams{
"form": subscriptionForm,
"errorMessage": err.Error(),
}))
return
}
feed, err := c.feedHandler.CreateFeed(user.ID, subscriptionForm.CategoryID, subscriptionForm.URL, subscriptionForm.Crawler)
if err != nil {
response.HTML().Render("add_subscription", args.Merge(tplParams{
"form": subscriptionForm,
"errorMessage": err,
}))
return
}
response.Redirect(ctx.Route("feedEntries", "feedID", feed.ID))
}
func (c *Controller) getSubscriptionFormTemplateArgs(ctx *handler.Context, user *model.User) (tplParams, error) {
args, err := c.getCommonTemplateArgs(ctx)
if err != nil {
return nil, err
}
categories, err := c.store.Categories(user.ID)
if err != nil {
return nil, err
}
args["categories"] = categories
args["menu"] = "feeds"
return args, nil
}