mail_digest: improve default template

mail_digest/templates/digest_default.xml

@@ -24,14 +24,27 @@
     <template id="default_digest_tmpl" name="Mail digest default template">
         <t t-call="mail_digest.digest_layout">
             <div id="mail_content">
-                <h2>Hello,</h2>
+                <p>Hello <t t-esc="digest.partner_id.name" />,</p>
                 <div id="mail_inner_content">
-                    <t t-foreach="grouped_messages.iterkeys()" t-as="gkey">
+                    <t t-foreach="grouped_messages.keys()" t-as="gkey">
                         <t t-set="messages" t-value="grouped_messages[gkey]" />
-                        <t t-foreach="messages" t-as="msg">
-                            <div style="margin:20px">
-                                <h3 t-esc="msg.subject" />
-                                <t t-raw="digest.message_body(msg)" />
+                        <t t-if="messages">
+                            <div class="subtype-wrapper"
+                                 t-attf-style="marging-bottom:10px;padding-bottom:10px;#{not gkey_last and 'border-bottom:2px solid #aaa;margin-bottom:20px'}">
+                                <t t-set="subtype" t-value="messages[0].subtype_id" />
+                                <h3 style="margin-bottom:5px">
+                                    <span t-field="subtype.name" style="font-weight:bold" />
+                                    <t t-if="subtype.description">
+                                        <span t-field="subtype.description"
+                                              style="display:block;margin-top:10px;font-size:80%;color: #777"/>
+                                    </t>
+                                </h3>
+                                <t t-foreach="messages" t-as="msg">
+                                    <div class="message-wrapper"
+                                         t-attf-style="margin:0 10px;padding:5px 10px;#{not msg_first and 'border-top:1px solid #ccc'}">
+                                        <t t-raw="digest.message_body(msg)" />
+                                    </div>
+                                </t>
                             </div>
                         </t>
                     </t>