move routes in seperate files; better error handling for enpoint functions

cmd/frontend/main.go

@@ -1,99 +1,19 @@
 package main
 
 import (
-	"crowsnest/internal/data"
-	"crowsnest/internal/model"
-	"crowsnest/internal/viewmodel"
-	"html/template"
+	"crowsnest/internal/routes"
 	"net/http"
-	"regexp"
-	"strings"
 )
 
-type articleDateOrder struct {}
-func (ord articleDateOrder) Weight(a *model.Article) int {
-    return int(a.PublishDate.Unix())
-}
-
-type articleTermFrequency struct {
-    terms []string
-}
-func (ord articleTermFrequency) Weight(a *model.Article) int {
-    score := 0
-    for _, term := range ord.terms {
-        score += strings.Count(a.Content, term)
-    }
-    return score
-}
-
-
-func index(w http.ResponseWriter, req *http.Request) {
-    // retrieve from repo
-    fds, err := data.NewFileDatastore("./persistence/spiegel100.json")
-    if err != nil { panic(err) }
-    repo, err := data.NewDefaultRepository[*model.Article](fds, "article")
-    if err != nil { panic(err) }
-    articles, err := repo.GetByCriteria(articleDateOrder{})
-    if err != nil { panic(err) }
-
-    // convert to viewmodel
-    articleVMs := make([]*viewmodel.ArticleViewModel, 0, len(articles))
-    for _, a := range articles {
-        articleVMs = append(articleVMs, viewmodel.NewArticleViewModel(a))
-    }
-
-    // render template
-    t := template.Must(template.ParseFiles("templates/article.html", "templates/layout.html"))
-    err = t.ExecuteTemplate(w, "base", articleVMs[:10])
-    if err != nil { panic(err) }
-}
-
-func search(w http.ResponseWriter, req *http.Request) {
-    // parse the form data
-    err := req.ParseForm()
-    if err != nil {
-        http.Error(w, "Unable to parse form", http.StatusBadRequest)
-        return
-    }
-
-    // collect search terms
-    p := regexp.MustCompile("\\s+")
-    searchTerms := make([]string, 0)
-    for _, elem := range p.Split(req.FormValue("search"), -1) {
-        elem = strings.TrimSpace(elem)
-        if elem == "" { continue }
-        searchTerms = append(searchTerms, elem)
-    }
-
-    // retrieve from repo
-    fds, _ := data.NewFileDatastore("./persistence/spiegel100.json")
-    repo, _ := data.NewDefaultRepository[*model.Article](fds, "article")
-    var articles []*model.Article
-    if len(searchTerms) != 0 {
-        articles, _ = repo.GetByCriteria(articleTermFrequency{ terms: searchTerms })
-    } else {
-        articles, _ = repo.GetAll()
-    }
-
-    // convert to viewmodel
-    articleVMs := make([]*viewmodel.ArticleViewModel, 0, len(articles))
-    for _, a := range articles {
-        articleVMs = append(articleVMs, viewmodel.NewArticleViewModel(a))
-    }
-
-    t := template.Must(template.ParseFiles("templates/article.html", "templates/layout.html"))
-    err = t.ExecuteTemplate(w, "base", articleVMs)
-    if err != nil { panic(err) }
-}
 
 func main() {
     // routes
-    http.HandleFunc("/", index)
-    http.HandleFunc("/search", search)
+    http.HandleFunc("GET /", routes.Index)
+    http.HandleFunc("POST /up/search", routes.UpSearch)
 
     // serve files from the "static" directory
 	fs := http.FileServer(http.Dir("./static"))
-	http.Handle("/static", http.StripPrefix("/", fs))
+	http.Handle("GET /static/", http.StripPrefix("/", fs))
 
     // start server
     http.ListenAndServe(":8080", nil)