Improve the Poser Setup page; allow poser dir refresh

tailbone/templates/poser/setup.mako

@@ -6,6 +6,8 @@
 <%def name="page_content()">
   <br />
 
+  % if not poser_dir_exists:
+
       <p class="block">
         Before you can use Poser features, ${app_title} must create the
         file structure for it.
@@ -42,6 +44,78 @@
         {{ setupSubmitting ? "Working, please wait..." : "Go for it!" }}
       </b-button>
       ${h.end_form()}
+
+  % else:
+
+      <h3 class="is-size-3 block">Root Folder</h3>
+
+      <p class="block">
+        Poser folder already exists at:&nbsp; &nbsp;
+        <span class="is-family-monospace has-text-weight-bold">
+          ${poser_dir}
+        </span>
+      </p>
+
+      ${h.form(request.current_route_url(), class_='block', **{'@submit': 'setupSubmitting = true'})}
+      ${h.csrf_token(request)}
+      ${h.hidden('action', value='refresh')}
+      <b-button type="is-primary"
+                native-type="submit"
+                :disabled="setupSubmitting"
+                icon-pack="fas"
+                icon-left="redo">
+        {{ setupSubmitting ? "Working, please wait..." : "Refresh Folder" }}
+      </b-button>
+      ${h.end_form()}
+
+      <h3 class="is-size-3 block">Modules</h3>
+
+      <ul class="list" style="max-width: 80%;">
+        <li class="list-item">
+          <span class="is-family-monospace">poser</span>
+          <span class="is-pulled-right">
+            % if poser_imported['poser']:
+                <span class="is-family-monospace">
+                  ${poser_imported['poser'].__file__}
+                </span>
+            % else:
+                <span class="has-background-warning">
+                  ${poser_import_errors['poser']}
+                </span>
+            % endif
+          </span>
+        </li>
+        <li class="list-item">
+          <span class="is-family-monospace">poser.reports</span>
+          <span class="is-pulled-right">
+            % if poser_imported['reports']:
+                <span class="is-family-monospace">
+                  ${poser_imported['reports'].__file__}
+                </span>
+            % else:
+                <span class="has-background-warning">
+                  ${poser_import_errors['reports']}
+                </span>
+            % endif
+          </span>
+        </li>
+        <li class="list-item">
+          <span class="is-family-monospace">poser.web.views</span>
+          <span class="is-pulled-right">
+            % if poser_imported['views']:
+                <span class="is-family-monospace">
+                  ${poser_imported['views'].__file__}
+                </span>
+            % else:
+                <span class="has-background-warning">
+                  ${poser_import_errors['views']}
+                </span>
+            % endif
+          </span>
+        </li>
+      </ul>
+
+  % endif
 </%def>
 
 <%def name="modify_this_page_vars()">

tailbone/views/common.py

@@ -26,6 +26,7 @@ Various common views
 
 from __future__ import unicode_literals, absolute_import
 
+import os
 import six
 
 from rattail.db import model
@@ -206,8 +207,21 @@ class CommonView(View):
         app = self.get_rattail_app()
         app_title = self.rattail_config.app_title()
         poser_handler = app.get_poser_handler()
+        poser_dir = poser_handler.get_default_poser_dir()
+        poser_dir_exists = os.path.isdir(poser_dir)
 
         if self.request.method == 'POST':
+
+            # maybe refresh poser dir
+            if self.request.POST.get('action') == 'refresh':
+                poser_handler.refresh_poser_dir()
+                self.request.session.flash("Poser folder has been refreshed.")
+
+            else: # otherwise make poser dir
+
+                if poser_dir_exists:
+                    self.request.session.flash("Poser folder already exists!", 'error')
+                else:
                     try:
                         path = poser_handler.make_poser_dir()
                     except Exception as error:
@@ -217,11 +231,43 @@ class CommonView(View):
                         self.request.session.flash("Please restart the web app!", 'warning')
                         return self.redirect(self.request.route_url('home'))
 
+        try:
+            from poser import reports
+            reports_error = None
+        except Exception as error:
+            reports = None
+            reports_error = simple_error(error)
+
+        try:
+            from poser.web import views
+            views_error = None
+        except Exception as error:
+            views = None
+            views_error = simple_error(error)
+
+        try:
+            import poser
+            poser_error = None
+        except Exception as error:
+            poser = None
+            poser_error = simple_error(error)
+
         return {
             'use_buefy': use_buefy,
             'app_title': app_title,
             'index_title': app_title,
-            'poser_dir': poser_handler.get_default_poser_dir(),
+            'poser_dir': poser_dir,
+            'poser_dir_exists': poser_dir_exists,
+            'poser_imported': {
+                'poser': poser,
+                'reports': reports,
+                'views': views,
+            },
+            'poser_import_errors': {
+                'poser': poser_error,
+                'reports': reports_error,
+                'views': views_error,
+            },
         }
 
     @classmethod