refactoring everything teehee (i'm so glad this isn't a team project)

Signed-off-by: ari melody <ari@arimelody.me>

api/v1/music/music.go

@@ -1,37 +1,62 @@
 package music
 
 import (
-    "errors"
-    "fmt"
-    "time"
+	"fmt"
+	"net/http"
+
+	"arimelody.me/arimelody.me/api/v1/admin"
+	"arimelody.me/arimelody.me/global"
 )
 
-var Releases []*MusicRelease;
-var Artists []*Artist;
+// func make_date_work(date string) time.Time {
+//     res, err := time.Parse("2-Jan-2006", date)
+//     if err != nil {
+//         fmt.Printf("somehow we failed to parse %s! falling back to epoch :]\n", date)
+//         return time.Unix(0, 0)
+//     }
+//     return res
+// }
 
-func make_date_work(date string) time.Time {
-    res, err := time.Parse("2-Jan-2006", date)
-    if err != nil {
-        fmt.Printf("somehow we failed to parse %s! falling back to epoch :]\n", date)
-        return time.Unix(0, 0)
-    }
-    return res
-}
+// HTTP HANDLER METHODS
 
-func GetRelease(id string) (*MusicRelease, error) {
-    for _, release := range Releases {
-        if release.Id == id {
-            return release, nil
+func ServeCatalog() http.Handler {
+    return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+        releases := []Release{}
+        authorised := r.Context().Value("role") != nil && r.Context().Value("role") == "admin"
+        for _, release := range Releases {
+            if !release.IsReleased() && !authorised {
+                continue
+            }
+            releases = append(releases, release)
         }
-    }
-    return nil, errors.New(fmt.Sprintf("Release %s not found", id))
+
+        global.ServeTemplate("music.html", releases).ServeHTTP(w, r)
+    })
 }
 
-func GetArtist(id string) (*Artist, error) {
-    for _, artist := range Artists {
-        if artist.Id == id {
-            return artist, nil
+func ServeGateway() http.Handler {
+    return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+        id := r.URL.Path[1:]
+        release := GetRelease(id)
+        if release == nil {
+            http.NotFound(w, r)
+            return
         }
-    }
-    return nil, errors.New(fmt.Sprintf("Artist %s not found", id))
+
+        // only allow authorised users to view unreleased releases
+        authorised := r.Context().Value("role") != nil && r.Context().Value("role") == "admin"
+        if !release.IsReleased() && !authorised {
+            admin.MustAuthorise(ServeGateway()).ServeHTTP(w, r)
+            return
+        }
+
+        lrw := global.LoggingResponseWriter{w, http.StatusOK}
+
+        global.ServeTemplate("music-gateway.html", release).ServeHTTP(&lrw, r)
+
+        if lrw.Code != http.StatusOK {
+            fmt.Printf("Error loading music gateway for %s\n", id)
+            return
+        }
+    })
 }