Show help link when generating or viewing report, if applicable

tailbone/templates/reports/generated/generate.mako

@@ -7,8 +7,19 @@
 
 <%def name="render_buefy_form()">
   <div class="form">
-    <p style="padding: 1em;">${report.__doc__}</p>
-    <br />
+    <p class="block">
+      ${report.__doc__}
+    </p>
+    % if report.help_url:
+        <p class="block">
+          <b-button icon-pack="fas"
+                    icon-left="question-circle"
+                    tag="a" target="_blank"
+                    href="${report.help_url}">
+            Help for this report
+          </b-button>
+        </p>
+    % endif
     <tailbone-form></tailbone-form>
   </div>
 </%def>

tailbone/views/master.py

@@ -2,7 +2,7 @@
 ################################################################################
 #
 #  Rattail -- Retail Software Framework
-#  Copyright © 2010-2022 Lance Edgar
+#  Copyright © 2010-2023 Lance Edgar
 #
 #  This file is part of Rattail.
 #
@@ -2643,6 +2643,47 @@ class MasterView(View):
             normal.append(button)
         return normal
 
+    def make_buefy_button(self, label, is_primary=False,
+                          url=None, is_external=False,
+                          **kwargs):
+        """
+        Make and return a HTML ``<b-button>`` literal.
+        """
+        btn_kw = dict(c=label, icon_pack='fas')
+
+        if 'type' in kwargs:
+            btn_kw['type'] = kwargs['type']
+        elif is_primary:
+            btn_kw['type'] = 'is-primary'
+
+        if url:
+            btn_kw['href'] = url
+
+            if 'icon_left' in kwargs:
+                btn_kw['icon_left'] = kwargs['icon_left']
+            elif is_external:
+                btn_kw['icon_left'] = 'external-link-alt'
+            else:
+                btn_kw['icon_left'] = 'eye'
+
+            if 'target' in kwargs:
+                btn_kw['target'] = kwargs['target']
+            elif is_external:
+                btn_kw['target'] = '_blank'
+
+        button = HTML.tag('b-button', **btn_kw)
+
+        if url:
+            # nb. unfortunately HTML.tag() calls its first arg 'tag' and
+            # so we can't pass a kwarg with that name...so instead we
+            # patch that into place manually
+            button = six.text_type(button)
+            button = button.replace('<b-button ',
+                                    '<b-button tag="a"')
+            button = HTML.literal(button)
+
+        return button
+
     def make_xref_button(self, **kwargs):
         """
         Make and return a HTML ``<b-button>`` literal, for display in
@@ -2655,6 +2696,8 @@ class MasterView(View):
            assumed to be external, which affects the icon and causes
            button click to open link in a new tab.
         """
+        # TODO: this should call make_buefy_button()
+
         # nb. unfortunately HTML.tag() calls its first arg 'tag' and
         # so we can't pass a kwarg with that name...so instead we
         # patch that into place manually

tailbone/views/reports.py

@@ -2,7 +2,7 @@
 ################################################################################
 #
 #  Rattail -- Retail Software Framework
-#  Copyright © 2010-2022 Lance Edgar
+#  Copyright © 2010-2023 Lance Edgar
 #
 #  This file is part of Rattail.
 #
@@ -267,6 +267,9 @@ class ReportOutputView(ExportMasterView):
     def render_report_type(self, output, field):
         type_key = getattr(output, field)
 
+        # just show type key by default
+        rendered = type_key
+
         # (try to) show link to poser report if applicable
         if type_key and type_key.startswith('poser_'):
             app = self.get_rattail_app()
@@ -276,10 +279,20 @@ class ReportOutputView(ExportMasterView):
             if not report.get('error'):
                 url = self.request.route_url('poser_reports.view',
                                              report_key=poser_key)
-                return tags.link_to(type_key, url)
+                rendered = tags.link_to(type_key, url)
 
-        # fallback to showing value as-is
-        return type_key
+        # add help button if report has a link
+        report = self.report_handler.get_report(type_key)
+        if report and report.help_url:
+            button = self.make_buefy_button("Help for this report",
+                                            url=report.help_url,
+                                            is_external=True,
+                                            icon_left='question-circle')
+            button = HTML.tag('div', class_='level-item', c=[button])
+            rendered = HTML.tag('div', class_='level-item', c=[rendered])
+            rendered = HTML.tag('div', class_='level-left', c=[rendered, button])
+
+        return rendered
 
     def render_params(self, report, field):
         params = report.params