From 09dbf09b5fa6d106a57cdb601c6ed6c23e00f7dd Mon Sep 17 00:00:00 2001
From: David Gay <david@davidgay.org>
Date: Thu, 27 May 2021 19:24:12 -0400
Subject: Make timer more robust, and `stop_activity` if you can't do it

---
 app/controllers/game_controller.rb             |  9 ++++++++-
 app/javascript/controllers/timer_controller.js | 24 +++++++++++++++++++-----
 app/views/look/_results.html.erb               |  2 +-
 app/views/look/show.html.erb                   | 21 +++++++++++++--------
 4 files changed, 41 insertions(+), 15 deletions(-)

diff --git a/app/controllers/game_controller.rb b/app/controllers/game_controller.rb
index 40d8991..886b37a 100644
--- a/app/controllers/game_controller.rb
+++ b/app/controllers/game_controller.rb
@@ -9,7 +9,14 @@ class GameController < ApplicationController
     return unless current_char.activity_time_remaining <= 0
     activity = current_char.activity
 
-    return unless current_char.can_do_activity?(activity) # TODO: Add error message
+    unless current_char.can_do_activity?(activity)
+      message = "You can't do this right now."
+      message += " (requires #{activity.requirements&.join(", ")})" if activity.requirements.any?
+      message += " (costs #{activity.costs&.join(", ")})" if activity.costs.any?
+      @results.replace([{ type: "error", message: message }])
+      current_char.stop_activity
+      return
+    end
 
     Character.transaction do
       current_char.pay_cost_for(activity)
diff --git a/app/javascript/controllers/timer_controller.js b/app/javascript/controllers/timer_controller.js
index 7714bad..5190a79 100644
--- a/app/javascript/controllers/timer_controller.js
+++ b/app/javascript/controllers/timer_controller.js
@@ -12,6 +12,7 @@ export default class extends Controller {
   initialize() {
     this.counter = this.startValue;
     this.timerTarget.textContent = this.counter;
+    this.postFailures = 0;
   }
 
   connect() {
@@ -23,14 +24,27 @@ export default class extends Controller {
   }
 
   startUpdating() {
+    let controller = this;
     this.timerInterval = setInterval(() => {
-      if (this.counter > 0) {
-        this.timerTarget.textContent = this.counter.toString();
-        this.counter--;
-      } else if (this.counter === 0) {
+      if (controller.postFailures >= 5) {
+        alert("An error occurred. Please submit a bug report, explaining what you were doing when it occurred.");
+        clearInterval(controller.timerInterval);
+        return;
+      }
+
+      if (controller.counter > 0) {
+        controller.timerTarget.textContent = controller.counter.toString();
+        controller.counter--;
+      } else if (this.counter <= 0) {
         Rails.ajax({
           type: "POST",
-          url: this.postUrlValue,
+          url: controller.postUrlValue,
+          success: () => {
+            controller.postFailures = 0;
+          },
+          error: () => {
+            controller.postFailures++;
+          },
         });
       }
     }, 1000);
diff --git a/app/views/look/_results.html.erb b/app/views/look/_results.html.erb
index 36e8103..8b5466e 100644
--- a/app/views/look/_results.html.erb
+++ b/app/views/look/_results.html.erb
@@ -21,7 +21,7 @@
     <% when "message" %>
       <p><%= result[:body] %></p>
     <% when "error" %>
-      <p><%= result[:message] %></p>
+      <p class="text-red-500"><%= result[:message] %></p>
     <% end %>
   <% end %>
 </div>
diff --git a/app/views/look/show.html.erb b/app/views/look/show.html.erb
index a0c1bd7..f5ae417 100644
--- a/app/views/look/show.html.erb
+++ b/app/views/look/show.html.erb
@@ -1,10 +1,15 @@
-<h1 class="text-2xl"><%= current_char.activity.name %></h1>
-<p><%= current_char.activity.description %></p>
+<% if current_char.activity %>
+  <h1 class="text-2xl"><%= current_char.activity.name %></h1>
+  <p><%= current_char.activity.description %></p>
 
-<div class="min-w-full my-2 px-1 overflow-auto text-sm border-2 border-gray-800 rounded"
-     style="height: 30rem;" id="result_output">
-</div>
+  <div class="min-w-full my-2 px-1 overflow-auto text-sm border-2 border-gray-800 rounded"
+       style="height: 30rem;" id="result_output">
+  </div>
 
-<div id="result_controls">
-  <%= render "timer" %>
-</div>
+  <div id="result_controls">
+    <%= render "timer" %>
+  </div>
+<% else %>
+  <p>You're not currently doing anything. Maybe you'd like to
+    <%= link_to "go somewhere", locations_path %>?</p>
+<% end %>
-- 
cgit v1.2.3