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| 1 | +// Copyright 2016 The StudyGolang Authors. All rights reserved. |
| 2 | +// Use of this source code is governed by a BSD-style |
| 3 | +// license that can be found in the LICENSE file. |
| 4 | +// http://studygolang.com |
| 5 | +// Author: polaris [email protected] |
| 6 | + |
| 7 | +package controller |
| 8 | + |
| 9 | +import ( |
| 10 | + "logic" |
| 11 | + "model" |
| 12 | + "net/http" |
| 13 | + "time" |
| 14 | + |
| 15 | + . "http" |
| 16 | + |
| 17 | + "github.com/gorilla/feeds" |
| 18 | + "github.com/labstack/echo" |
| 19 | +) |
| 20 | + |
| 21 | +type FeedController struct{} |
| 22 | + |
| 23 | +// 注册路由 |
| 24 | +func (self FeedController) RegisterRoute(g *echo.Group) { |
| 25 | + g.Get("/feed", self.List) |
| 26 | +} |
| 27 | + |
| 28 | +func (self FeedController) List(ctx echo.Context) error { |
| 29 | + link := "http://" + logic.WebsiteSetting.Domain |
| 30 | + isHttps := CheckIsHttps(ctx) |
| 31 | + if isHttps { |
| 32 | + link = "https://" + logic.WebsiteSetting.Domain |
| 33 | + } |
| 34 | + |
| 35 | + now := time.Now() |
| 36 | + |
| 37 | + feed := &feeds.Feed{ |
| 38 | + Title: logic.WebsiteSetting.Name, |
| 39 | + Link: &feeds.Link{Href: link}, |
| 40 | + Description: logic.WebsiteSetting.Slogan, |
| 41 | + Author: &feeds. Author{ Name: "polaris", Email: "[email protected]"}, |
| 42 | + Created: now, |
| 43 | + Updated: now, |
| 44 | + } |
| 45 | + |
| 46 | + siteFeeds := logic.DefaultFeed.FindRecent(ctx, 50) |
| 47 | + |
| 48 | + feed.Items = make([]*feeds.Item, len(siteFeeds)) |
| 49 | + |
| 50 | + for i, siteFeed := range siteFeeds { |
| 51 | + strObjtype := "" |
| 52 | + switch siteFeed.Objtype { |
| 53 | + case model.TypeTopic: |
| 54 | + strObjtype = "主题" |
| 55 | + case model.TypeResource: |
| 56 | + strObjtype = "资源" |
| 57 | + case model.TypeArticle: |
| 58 | + strObjtype = "文章" |
| 59 | + case model.TypeProject: |
| 60 | + strObjtype = "开源项目" |
| 61 | + case model.TypeBook: |
| 62 | + strObjtype = "图书" |
| 63 | + case model.TypeWiki: |
| 64 | + strObjtype = "Wiki" |
| 65 | + } |
| 66 | + feed.Items[i] = &feeds.Item{ |
| 67 | + Title: siteFeed.Title, |
| 68 | + Link: &feeds.Link{Href: link + siteFeed.Uri}, |
| 69 | + Description: "这是" + strObjtype, |
| 70 | + Created: time.Time(siteFeed.CreatedAt), |
| 71 | + Updated: time.Time(siteFeed.UpdatedAt), |
| 72 | + } |
| 73 | + } |
| 74 | + |
| 75 | + atom, err := feed.ToAtom() |
| 76 | + if err != nil { |
| 77 | + return err |
| 78 | + } |
| 79 | + |
| 80 | + return self.responseXML(ctx, atom) |
| 81 | +} |
| 82 | + |
| 83 | +func (FeedController) responseXML(ctx echo.Context, data string) (err error) { |
| 84 | + response := ctx.Response() |
| 85 | + response.Header().Set(echo.HeaderContentType, echo.MIMEApplicationXMLCharsetUTF8) |
| 86 | + response.WriteHeader(http.StatusOK) |
| 87 | + _, err = response.Write([]byte(data)) |
| 88 | + return |
| 89 | +} |
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