HEAVY: migrate accounts and logs to service/repo architecture

controller/ip.go

@@ -1,15 +1,15 @@
 package controller
 
 import (
-    "arimelody-web/model"
-    "net/http"
-    "slices"
-    "strings"
+	"arimelody-web/model/app"
+	"net/http"
+	"slices"
+	"strings"
 )
 
 // Returns the request's original IP address, resolving the `x-forwarded-for`
 // header if the request originates from a trusted proxy.
-func ResolveIP(app *model.AppState, r *http.Request) string {
+func ResolveIP(app *app.AppState, r *http.Request) string {
     addr := strings.Split(r.RemoteAddr, ":")[0]
     if slices.Contains(app.Config.TrustedProxies, addr) {
         forwardedFor := r.Header.Get("x-forwarded-for")