refactor: simplify how url generation works

The URLS file is no longer necessary as urls are now generated directly from the app VHOST file.

This also moves all the url generation logic to the domains plugin.

plugins/domains/internal-functions

@@ -114,3 +114,70 @@ fn-domains-global-vhosts() {
     get_global_vhosts | tr '\n' ' '
   fi
 }
+
+fn-domains-generate-urls() {
+  declare APP="$1" SCHEME="$2" DEFAULT_LISTEN_PORT="$3"
+
+  local app_vhosts="$(plugn trigger domains-list "$APP")"
+  if [[ -n "$app_vhosts" ]]; then
+    for app_vhost in $app_vhosts; do
+      fn-domains-generate-urls-from-config "$APP" "$SCHEME" "$app_vhost" "$DEFAULT_LISTEN_PORT"
+    done
+  else
+    if [[ -s "$DOKKU_ROOT/VHOST" ]]; then
+      while read -r VHOST || [[ -n "$VHOST" ]]; do
+        fn-domains-generate-urls-from-config "$APP" "$SCHEME" "$VHOST" "$DEFAULT_LISTEN_PORT"
+      done <"$DOKKU_ROOT/VHOST"
+    else
+      fn-domains-generate-urls-from-config "$APP" "$SCHEME" "$(hostname -f)" "$DEFAULT_LISTEN_PORT"
+    fi
+  fi
+}
+
+fn-domains-generate-urls-from-config() {
+  declare APP="$1" SCHEME="$2" VHOST="$3" DEFAULT_LISTEN_PORT="$4"
+  local DOKKU_PROXY_PORT_MAP=$(plugn trigger config-get "$APP" DOKKU_PROXY_PORT_MAP || true)
+  local RAW_TCP_PORTS="$(get_app_raw_tcp_ports "$APP")"
+
+  if [[ "$(plugn trigger proxy-is-enabled "$APP")" == "false" ]]; then
+    if [[ -n "$RAW_TCP_PORTS" ]]; then
+      local APP_CONTAINER_PORTS="$(get_container_ports "$APP")"
+      local app_port
+      for listen_port in $APP_CONTAINER_PORTS; do
+        fn-domains-generate-url "$SCHEME" "$VHOST" "$listen_port"
+      done
+    else
+      local DOKKU_APP_WEB_LISTENERS PORT
+      DOKKU_APP_WEB_LISTENERS="$(plugn trigger network-get-listeners "$APP" "web" | xargs)"
+      for DOKKU_APP_WEB_LISTENER in $DOKKU_APP_WEB_LISTENERS; do
+        listen_port="$(echo "$DOKKU_APP_WEB_LISTENER" | cut -d ':' -f2)"
+        fn-domains-generate-url "$SCHEME" "$VHOST" "$listen_port"
+      done
+      shopt -u nullglob
+    fi
+  elif [[ -n "$DOKKU_PROXY_PORT_MAP" ]]; then
+    local port_map
+    for port_map in $DOKKU_PROXY_PORT_MAP; do
+      local scheme="$(awk -F ':' '{ print $1 }' <<<"$port_map")"
+      local listen_port="$(awk -F ':' '{ print $2 }' <<<"$port_map")"
+      fn-domains-generate-url "$SCHEME" "$VHOST" "$listen_port"
+    done
+  elif [[ -n "$RAW_TCP_PORTS" ]]; then
+    for listen_port in $RAW_TCP_PORTS; do
+      fn-domains-generate-url "$SCHEME" "$VHOST" "$listen_port"
+    done
+  else
+    fn-domains-generate-url "$SCHEME" "$VHOST" "$DEFAULT_LISTEN_PORT"
+  fi
+}
+
+fn-domains-generate-url() {
+  declare SCHEME="$1" VHOST="$2" PORT="$3"
+  if [[ "$PORT" == "80" ]]; then
+    echo "http://$VHOST"
+  elif [[ "$PORT" == "443" ]]; then
+    echo "https://$VHOST"
+  else
+    echo "$SCHEME://$VHOST:$PORT"
+  fi
+}