Expose basic way to send test email

most of the mechanics of sending email could already be tested by
sending a "preview" email of any type, or e.g. via Feedback.  but it
seemed like the Configure Email Settings page should have a dedicated
way to test sending

tailbone/templates/settings/email/configure.mako

@@ -26,30 +26,72 @@
 
   </div>
 
-  % if request.has_perm('errors.bogus'):
+  <h3 class="block is-size-3">Testing</h3>
-      <h3 class="block is-size-3">Testing</h3>
+  <div class="block" style="padding-left: 2rem;">
-      <div class="block" style="padding-left: 2rem;">
 
-        <b-field grouped>
+    <b-field grouped>
-          <p class="control">
+      <b-field horizontal label="Recipient">
-            You can raise a "bogus" error to test if/how it generates email:
+        <b-input v-model="testRecipient"></b-input>
-          </p>
+      </b-field>
+      <b-button type="is-primary"
+                @click="sendTest()"
+                :disabled="sendingTest">
+        {{ sendingTest ? "Working, please wait..." : "Send Test Email" }}
+      </b-button>
+    </b-field>
+
+    <div class="level">
+      <div class="level-left">
+        <div class="level-item">
+          <p>You can raise a "bogus" error to test if/how that generates email:</p>
+        </div>
+        <div class="level-item">
           <b-button type="is-primary"
+                    % if request.has_perm('errors.bogus'):
                     @click="raiseBogusError()"
-                    :disabled="raisingBogusError">
+                    :disabled="raisingBogusError"
+                    % else:
+                    disabled
+                    title="your permissions do not allow this"
+                    % endif
+                    >
+            % if request.has_perm('errors.bogus'):
             {{ raisingBogusError ? "Working, please wait..." : "Raise Bogus Error" }}
+            % else:
+            Raise Bogus Error
+            % endif
           </b-button>
-        </b-field>
+        </div>
-
       </div>
-      </h3>
+    </div>
-  % endif
+
+  </div>
 </%def>
 
 <%def name="modify_this_page_vars()">
   ${parent.modify_this_page_vars()}
-  % if request.has_perm('errors.bogus'):
+  <script type="text/javascript">
-      <script type="text/javascript">
+
+    ThisPageData.testRecipient = ${json.dumps(request.user.email_address)|n}
+    ThisPageData.sendingTest = false
+
+    ThisPage.methods.sendTest = function() {
+        this.sendingTest = true
+        let url = '${url('emailprofiles.send_test')}'
+        let params = {recipient: this.testRecipient}
+        this.simplePOST(url, params, response => {
+            this.$buefy.toast.open({
+                message: "Test email was sent!",
+                type: 'is-success',
+                duration: 4000, // 4 seconds
+            })
+            this.sendingTest = false
+        }, response => {
+            this.sendingTest = false
+        })
+    }
+
+    % if request.has_perm('errors.bogus'):
 
         ThisPageData.raisingBogusError = false
 
@@ -74,8 +116,8 @@
             })
         }
 
-      </script>
+    % endif
-  % endif
+  </script>
 </%def>
 
 

tailbone/views/email.py

@@ -297,6 +297,22 @@ class EmailSettingView(MasterView):
                          'true' if data['hidden'] else 'false')
         return {'ok': True}
 
+    def send_test(self):
+        """
+        AJAX view for sending a test email.
+        """
+        data = self.request.json_body
+
+        recip = data.get('recipient')
+        if not recip:
+            return {'error': "Must specify recipient"}
+
+        app = self.get_rattail_app()
+        app.send_email('hello', to=[recip], cc=None, bcc=None,
+                       default_subject="Hello world")
+
+        return {'ok': True}
+
     @classmethod
     def defaults(cls, config):
         cls._email_defaults(config)
@@ -318,6 +334,16 @@ class EmailSettingView(MasterView):
                         permission='{}.configure'.format(permission_prefix),
                         renderer='json')
 
+        # send test
+        config.add_route('{}.send_test'.format(route_prefix),
+                         '{}/send-test'.format(url_prefix),
+                         request_method='POST')
+        config.add_view(cls, attr='send_test',
+                        route_name='{}.send_test'.format(route_prefix),
+                        permission='{}.configure'.format(permission_prefix),
+                        renderer='json')
+
+
 # TODO: deprecate / remove this
 ProfilesView = EmailSettingView