Add limit and sort in library display

src/internal/movies/handlers.go

@@ -5,6 +5,8 @@ import (
 	"net"
 	"net/http"
 	"net/url"
+	"sort"
+	"strconv"
 
 	"github.com/odwrtw/papi"
 	polochon "github.com/odwrtw/polochon/lib"
@@ -19,6 +21,12 @@ import (
 
 var ErrPolochonUnavailable = fmt.Errorf("Invalid polochon address")
 
+type SortByTitle []*Movie
+
+func (a SortByTitle) Len() int           { return len(a) }
+func (a SortByTitle) Swap(i, j int)      { a[i], a[j] = a[j], a[i] }
+func (a SortByTitle) Less(i, j int) bool { return a[i].Title < a[j].Title }
+
 func getPolochonMovies(user *users.User) ([]*Movie, error) {
 	movies := []*Movie{}
 
@@ -63,6 +71,44 @@ func getPolochonMovies(user *users.User) ([]*Movie, error) {
 
 func FromPolochon(env *web.Env, w http.ResponseWriter, r *http.Request) error {
 	v := auth.GetCurrentUser(r, env.Log)
+	params := struct {
+		Sort  string
+		Order string
+		Start int
+		Limit int
+	}{
+		Sort:  "title",
+		Order: "asc",
+		Start: 0,
+		Limit: 50,
+	}
+
+	err := r.ParseForm()
+	if err != nil {
+		return err
+	}
+
+	if sort := r.FormValue("sort"); sort != "" {
+		params.Sort = sort
+	}
+
+	if order := r.FormValue("order"); order != "" {
+		params.Order = order
+	}
+	if start := r.FormValue("start"); start != "" {
+		n, err := strconv.Atoi(start)
+		if err != nil {
+			return err
+		}
+		params.Start = n
+	}
+	if limit := r.FormValue("limit"); limit != "" {
+		n, err := strconv.Atoi(limit)
+		if err != nil {
+			return err
+		}
+		params.Limit = n
+	}
 
 	user, ok := v.(*users.User)
 	if !ok {
@@ -101,7 +147,27 @@ func FromPolochon(env *web.Env, w http.ResponseWriter, r *http.Request) error {
 		}
 	}
 
-	web.SetData(r, "movies", movies)
+	var smovies sort.Interface
+
+	switch params.Sort {
+	case "title":
+		smovies = SortByTitle(movies)
+	default:
+		return fmt.Errorf("invalid sort param")
+	}
+
+	switch params.Order {
+	case "asc":
+		break
+	case "desc":
+		smovies = sort.Reverse(smovies)
+	default:
+		return fmt.Errorf("invalid order param")
+	}
+
+	sort.Sort(smovies)
+
+	web.SetData(r, "movies", movies[params.Start:params.Start+params.Limit])
 	return env.Rends(w, r, "movies/library")
 }
 

src/templates/movies/library.tmpl

@@ -43,7 +43,12 @@
                 <p class="movie-plot">{{ .Plot }}</p>
 
                 <div class="movie-details-buttons">
-                    <a id="imdb-link" type="button" class="btn btn-warning" href="http://www.imdb.com/title/{{ .ImdbID }}">
+                    {{ if .PolochonURL }}
+                        <a type="button" class="btn btn-success btn-sm" href="{{ .PolochonURL }}">
+                            <i class="fa fa-download"></i> Download
+                        </a>
+                    {{ end }}
+                    <a id="imdb-link" type="button" class="btn btn-sm btn-warning" href="http://www.imdb.com/title/{{ .ImdbID }}">
                         <i class="fa fa-external-link"></i> IMDB
                     </a>
                 </div>

src/templates/navbar.tmpl

@@ -16,7 +16,7 @@
       <ul class="nav navbar-nav">
           <li><p class="navbar-text">Library: </p></li>
         <li {{ if eq $.Route "movies.polochon" }}class="active"{{ end }}>
-            <a href="{{ URL "movies.polochon" }}">Movies{{ if eq $.Route "movies.polochon" }}<span class="sr-only">(current)</span>{{ end }}</a>
+            <a href="{{ URL "movies.polochon" }}?limit=10">Movies{{ if eq $.Route "movies.polochon" }}<span class="sr-only">(current)</span>{{ end }}</a>
         </li>
 
         <li><a href="#">TV Shows</a></li>