refactored blog
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parent
ea6b16d6ab
commit
29745008c0
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@ -4,6 +4,7 @@ import (
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"fmt"
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"fmt"
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"html/template"
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"html/template"
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"net/http"
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"net/http"
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"path/filepath"
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"os"
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"os"
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"strings"
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"strings"
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)
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)
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@ -22,19 +23,8 @@ var templates = template.Must(template.ParseFiles("templates/blog.tmpl", "templa
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func main() {
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func main() {
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NewPostsCollection()
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buildHandlers()
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retrievePosts()
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http.HandleFunc("/about/", aboutHandler)
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http.HandleFunc("/past/", pastHandler)
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http.HandleFunc("/contact/", contactHandler)
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http.HandleFunc("/post/", postHandler)
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http.HandleFunc("/", pastHandler)
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//http.HandleFunc("/", blogHandler)
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http.Handle("/images/", http.StripPrefix("/images/", http.FileServer(http.Dir("images"))))
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http.Handle("/css/", http.StripPrefix("/css/", http.FileServer(http.Dir("css"))))
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//posts = PostsCollection[:]
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setPostsCollection()
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if os.Args[1] == "local" {
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if os.Args[1] == "local" {
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http.ListenAndServe(":8080", nil)
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http.ListenAndServe(":8080", nil)
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@ -46,8 +36,21 @@ func main() {
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}
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}
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func setPostsCollection() {
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func retrievePosts() {
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posts = PostsCollection[:]
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posts = nil
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filepath.Walk("./posts", newPost)
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posts = reversePosts()
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}
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func buildHandlers() {
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http.HandleFunc("/about/", aboutHandler)
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http.HandleFunc("/past/", pastHandler)
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http.HandleFunc("/contact/", contactHandler)
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http.HandleFunc("/post/", postHandler)
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http.HandleFunc("/update", updateHandler)
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http.HandleFunc("/", pastHandler)
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http.Handle("/images/", http.StripPrefix("/images/", http.FileServer(http.Dir("images"))))
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http.Handle("/css/", http.StripPrefix("/css/", http.FileServer(http.Dir("css"))))
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}
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}
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func errorHandler(w http.ResponseWriter, req *http.Request, status int) {
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func errorHandler(w http.ResponseWriter, req *http.Request, status int) {
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@ -57,20 +60,6 @@ func errorHandler(w http.ResponseWriter, req *http.Request, status int) {
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}
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}
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}
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}
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func blogHandler(w http.ResponseWriter, req *http.Request) {
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if req.URL.Path != "/" {
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errorHandler(w, req, http.StatusNotFound)
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return
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}
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length := len(posts)
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posts = posts[:3]
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//posts = getNewestPosts(3)
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page := Page{name, posts, "past"}
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//page := Page{name, posts, "blog"}
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renderTemplates(w, page)
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posts = posts[:length]
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}
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func postHandler(w http.ResponseWriter, r *http.Request) {
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func postHandler(w http.ResponseWriter, r *http.Request) {
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title := strings.TrimPrefix(r.URL.Path, "/post/")
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title := strings.TrimPrefix(r.URL.Path, "/post/")
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posts := []Post{getPostByURLTitle(title)}
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posts := []Post{getPostByURLTitle(title)}
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@ -93,6 +82,10 @@ func contactHandler(w http.ResponseWriter, r *http.Request) {
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renderTemplates(w, page)
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renderTemplates(w, page)
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}
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}
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func updateHandler(w http.ResponseWriter, r *http.Request) {
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retrievePosts()
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}
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func renderTemplates(w http.ResponseWriter, p Page) {
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func renderTemplates(w http.ResponseWriter, p Page) {
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s1 := templates.Lookup("blog.tmpl")
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s1 := templates.Lookup("blog.tmpl")
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err := s1.ExecuteTemplate(w, "blog", p)
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err := s1.ExecuteTemplate(w, "blog", p)
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@ -6,7 +6,6 @@ import (
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"html/template"
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"html/template"
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"io/ioutil"
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"io/ioutil"
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"os"
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"os"
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"path/filepath"
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"strings"
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"strings"
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"time"
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"time"
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)
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)
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@ -22,54 +21,7 @@ type Post struct {
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const htmlDateLayout = "2006-01-02"
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const htmlDateLayout = "2006-01-02"
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const normalDateLayout = "02 Jan 2006"
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const normalDateLayout = "02 Jan 2006"
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var modTime time.Time
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var modTime time.Time
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var PostsCollection []Post
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func NewPostsCollection() {
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verifyFolderModification()
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initializeCollection()
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go acquirePosts(100)
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}
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func initializeCollection() {
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PostsCollection = nil
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filepath.Walk("./posts", newPost)
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PostsCollection = reversePosts()
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}
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func acquirePosts(duration time.Duration) {
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for {
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if verifyFolderModification() == true {
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initializeCollection()
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setPostsCollection()
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}
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time.Sleep(duration * time.Second)
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}
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}
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func verifyFolderModification() bool {
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f, err := os.Open("./posts")
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if err != nil {
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fmt.Println("file-error here: \n", f)
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f.Close()
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return false
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}
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info, err := f.Stat()
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if err != nil {
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fmt.Println("info here: \n", info)
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f.Close()
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return false
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}
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_modTime := info.ModTime()
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if modTime != _modTime {
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modTime = _modTime
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f.Close()
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return true
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}
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f.Close()
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return false
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}
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func newPost(path string, f os.FileInfo, err error) error {
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func newPost(path string, f os.FileInfo, err error) error {
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content, err := ioutil.ReadFile(path)
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content, err := ioutil.ReadFile(path)
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@ -95,7 +47,7 @@ func newPost(path string, f os.FileInfo, err error) error {
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template.HTML(string(content[:len(content)])),
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template.HTML(string(content[:len(content)])),
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}
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}
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PostsCollection = insertPostAccordingToDate(p, PostsCollection)
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posts = insertPostAccordingToDate(p, posts)
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return nil
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return nil
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}
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}
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@ -123,25 +75,16 @@ func getDate(n *html.Node) time.Time {
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}
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}
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func reversePosts() []Post {
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func reversePosts() []Post {
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length := len(PostsCollection)
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length := len(posts)
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s := make([]Post, length)
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s := make([]Post, length)
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for i := 0; i < length; i++ {
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for i := 0; i < length; i++ {
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s[i] = PostsCollection[length-(i+1)]
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s[i] = posts[length-(i+1)]
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}
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}
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return s
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return s
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}
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}
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func getNewestPosts(numberOfPosts int) []Post {
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var posts []Post
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l := len(PostsCollection)
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for i := l - 1; i >= l-numberOfPosts; i-- {
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posts = append(posts, PostsCollection[i])
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}
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return posts
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}
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func getPostByURLTitle(title string) Post {
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func getPostByURLTitle(title string) Post {
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for _, post := range PostsCollection {
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for _, post := range posts {
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if post.URLTitle == title {
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if post.URLTitle == title {
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return post
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return post
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}
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}
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@ -159,6 +102,6 @@ func insertPostAccordingToDate(post Post, arr []Post) []Post {
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return s
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return s
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}
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}
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}
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}
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PostsCollection = append(PostsCollection, post)
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posts = append(posts, post)
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return PostsCollection
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return posts
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}
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}
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