fix: close failed location sessions and harden upgrade rehearsal

assets/js/hooks.js

@@ -1630,12 +1630,16 @@ export const Hooks = {
       if (typeof window.WhoNeedHelpAndroid?.postMessage === "function") {
         this.nativeError = () => {
           this.pushEvent("location-error", {})
-          this.pushEvent("stop-tracking", {})
         }
         window.addEventListener("wnh:native-tracking-error", this.nativeError)
         return
       }
 
+      if (!navigator.geolocation) {
+        this.pushEvent("location-error", {})
+        return
+      }
+
       this.watchId = navigator.geolocation.watchPosition(
         position => this.queueLocation({
           latitude: position.coords.latitude,

lib/who_need_help_web/live/request_live/show.ex

@@ -288,18 +288,19 @@ defmodule WhoNeedHelpWeb.RequestLive.Show do
   end
 
   def handle_event("location-error", _, socket) do
+    socket =
+      case stop_tracking(socket) do
+        {:ok, stopped_socket} -> stopped_socket
+        {:error, _reason} -> socket
+      end
+
     {:noreply, put_flash(socket, :error, gettext("The browser could not share your location."))}
   end
 
   def handle_event("stop-tracking", _, socket) do
-    case Tracking.stop_session(socket.assigns.current_scope, socket.assigns.assignment) do
+    case stop_tracking(socket) do
-      {:ok, _} ->
+      {:ok, stopped_socket} ->
-        {:noreply,
+        {:noreply, stopped_socket}
-         socket
-         |> assign(:tracking_active, false)
-         |> assign(:tracking_session_id, nil)
-         |> maybe_untrack_browser_presence()
-         |> maybe_stop_native_tracking()}
 
       {:error, reason} ->
         {:noreply, put_flash(socket, :error, message(reason))}
@@ -470,6 +471,21 @@ defmodule WhoNeedHelpWeb.RequestLive.Show do
 
   defp maybe_untrack_browser_presence(socket), do: socket
 
+  defp stop_tracking(socket) do
+    case Tracking.stop_session(socket.assigns.current_scope, socket.assigns.assignment) do
+      {:ok, _} ->
+        {:ok,
+         socket
+         |> assign(:tracking_active, false)
+         |> assign(:tracking_session_id, nil)
+         |> maybe_untrack_browser_presence()
+         |> maybe_stop_native_tracking()}
+
+      {:error, reason} ->
+        {:error, reason}
+    end
+  end
+
   defp transition(socket, fun, success) do
     case fun.(socket.assigns.current_scope, socket.assigns.assignment.id) do
       {:ok, _} -> {:noreply, put_flash(socket, :info, success)}

scripts/upgrade-rehearsal-compose.sh

@@ -50,6 +50,15 @@ rehearsal_map_tile_url=$(
     '. "$1"; printf %s "${MAP_TILE_URL:-https://tile.openstreetmap.org/{z}/{x}/{y}.png}"' \
     sh "$PUBLIC_ENV_FILE"
 )
+rehearsal_postgis_image=$(
+  sh -c '. "$1"; printf %s "${POSTGIS_IMAGE:?POSTGIS_IMAGE is missing from .env}"' \
+    sh "$PUBLIC_ENV_FILE"
+)
+rehearsal_socket_proxy_image=$(
+  sh -c \
+    '. "$1"; printf %s "${SOCKET_PROXY_IMAGE:?SOCKET_PROXY_IMAGE is missing from .env}"' \
+    sh "$PUBLIC_ENV_FILE"
+)
 
 set -a
 # shellcheck source=/dev/null
@@ -112,11 +121,17 @@ export PHX_HOST="$rehearsal_phx_host"
 export PHX_SCHEME="$rehearsal_phx_scheme"
 export PHX_URL_PORT="$rehearsal_phx_url_port"
 export MAP_TILE_URL="$rehearsal_map_tile_url"
+export POSTGIS_IMAGE="$rehearsal_postgis_image"
+export SOCKET_PROXY_IMAGE="$rehearsal_socket_proxy_image"
 export TRAEFIK_TRUSTED_IPS=127.0.0.1/32
 export TRAEFIK_PROJECT_CONSTRAINT="$project"
 export TRAEFIK_APP_NAME="wnh-upgrade-rehearsal-$compact_id"
 export TRAEFIK_DOCKER_NETWORK="${project}_ingress"
 export REHEARSAL_IMAGE="who-need-help:upgrade-rehearsal-$run_id"
+# compose.yaml validates APP_IMAGE before applying the rehearsal override.
+# Point both variables at the same unique image so config validation, the
+# build, and cleanup all address only this rehearsal run.
+export APP_IMAGE="$REHEARSAL_IMAGE"
 
 compose() {
   docker compose \
@@ -173,9 +188,9 @@ cleanup() {
 }
 trap cleanup EXIT HUP INT TERM
 
-database_snapshot() {
+database_table_list() {
   target=$1
-  tables=$(
+
   compose exec -T db \
     psql --username "$POSTGRES_USER" --dbname "$rehearsal_db" \
     --tuples-only --no-align \
@@ -185,12 +200,17 @@ database_snapshot() {
       WHERE schemaname = 'public'
         AND tablename NOT IN ('oban_jobs', 'schema_migrations', 'spatial_ref_sys')
       ORDER BY tablename;
-      "
+    " >"$target"
-  )
+}
+
+database_snapshot() {
+  target=$1
+  table_list=$2
 
   : >"$target"
 
-  for table in $tables; do
+  while IFS= read -r table; do
+    [ -n "$table" ] || continue
     row_count=$(
       compose exec -T db \
         psql --username "$POSTGRES_USER" --dbname "$rehearsal_db" \
@@ -198,7 +218,7 @@ database_snapshot() {
         --command "SELECT count(*) FROM \"$table\";"
     )
     printf '%s %s\n' "$table" "$row_count" >>"$target"
-  done
+  done <"$table_list"
 }
 
 compose config --quiet
@@ -221,7 +241,10 @@ compose exec -T db \
 
 compose exec -T db pg_restore --list <"$dump" >"$output_dir/pg-restore-list.txt"
 
-database_snapshot "$output_dir/database-before.txt"
+database_table_list "$output_dir/database-tables-before.txt"
+database_snapshot \
+  "$output_dir/database-before.txt" \
+  "$output_dir/database-tables-before.txt"
 compose exec -T db \
   psql --username "$POSTGRES_USER" --dbname "$rehearsal_db" \
   --tuples-only --no-align \
@@ -230,7 +253,9 @@ compose exec -T db \
 
 compose up --detach --wait mailpit migrate proxy web worker
 
-database_snapshot "$output_dir/database-after.txt"
+database_snapshot \
+  "$output_dir/database-after.txt" \
+  "$output_dir/database-tables-before.txt"
 diff -u "$output_dir/database-before.txt" "$output_dir/database-after.txt" \
   >"$output_dir/database-diff.txt"
 

test/who_need_help_web/live/mutual_aid_live_test.exs

@@ -924,6 +924,59 @@ defmodule WhoNeedHelpWeb.MutualAidLiveTest do
     stop_live_view(helper_view)
   end
 
+  test "browser location errors stop the empty tracking session", _context do
+    category = Catalog.seed_defaults()
+    requester = user_fixture(display_name: "Location requester")
+    helper = user_fixture(display_name: "Location helper")
+
+    {:ok, request} =
+      Help.create_request(user_scope_fixture(requester), request_attrs(category))
+
+    {:ok, assignment} = Help.accept_request(user_scope_fixture(helper), request.id)
+
+    helper_conn =
+      build_conn()
+      |> log_in_user(helper)
+
+    {:ok, helper_view, _html} = live(helper_conn, ~p"/requests/#{request.id}")
+
+    helper_view
+    |> element("button[phx-click='start-tracking']")
+    |> render_click()
+
+    assert Repo.get_by!(WhoNeedHelp.Tracking.TrackingSession,
+             assignment_id: assignment.id,
+             user_id: helper.id,
+             active: true
+           )
+
+    html = render_hook(helper_view, "location-error", %{})
+
+    assert html =~ "The browser could not share your location."
+    assert has_element?(helper_view, "button[phx-click='start-tracking']")
+    refute has_element?(helper_view, "button[phx-click='stop-tracking']")
+
+    refute Repo.get_by(WhoNeedHelp.Tracking.TrackingSession,
+             assignment_id: assignment.id,
+             user_id: helper.id,
+             active: true
+           )
+
+    stopped_session =
+      Repo.get_by!(WhoNeedHelp.Tracking.TrackingSession,
+        assignment_id: assignment.id,
+        user_id: helper.id
+      )
+
+    assert stopped_session.ended_at
+    assert stopped_session.sample_count == 0
+    refute Repo.get_by(WhoNeedHelp.Tracking.Position,
+             tracking_session_id: stopped_session.id
+           )
+
+    stop_live_view(helper_view)
+  end
+
   test "regular users cannot enter moderation", %{conn: conn} do
     assert {:error, {:redirect, %{to: "/requests"}}} = live(conn, ~p"/moderation")
   end