FEATURE: new incoming email details modal

app/assets/javascripts/admin/controllers/modals/admin-incoming-email.js.es6

@@ -0,0 +1,17 @@
+import ModalFunctionality from 'discourse/mixins/modal-functionality';
+import IncomingEmail from 'admin/models/incoming-email';
+import computed from 'ember-addons/ember-computed-decorators';
+import { longDate } from 'discourse/lib/formatter';
+
+export default Ember.Controller.extend(ModalFunctionality, {
+
+  @computed("model.date")
+  date(d) {
+    return longDate(d);
+  },
+
+  load(id) {
+    return IncomingEmail.find(id).then(result => this.set("model", result));
+  }
+
+});

app/assets/javascripts/admin/models/incoming-email.js.es6

@@ -14,6 +14,10 @@ IncomingEmail.reopenClass({
     return this._super(attrs);
   },
 
+  find(id) {
+    return Discourse.ajax(`/admin/email/incoming/${id}.json`);
+  },
+
   findAll(filter, offset) {
     filter = filter || {};
     offset = offset || 0;

app/assets/javascripts/admin/routes/admin-email-rejected.js.es6

@@ -5,9 +5,9 @@ export default AdminEmailIncomings.extend({
   status: "rejected",
 
   actions: {
-    showRawEmail(incomingEmailId) {
-      showModal('raw-email');
-      this.controllerFor('raw_email').loadIncomingRawEmail(incomingEmailId);
+    showIncomingEmail(id) {
+      showModal('modals/admin-incoming-email');
+      this.controllerFor("modals/admin-incoming-email").load(id);
     }
   }
 

app/assets/javascripts/admin/templates/email-rejected.hbs

@@ -42,7 +42,7 @@
       </td>
       <td>{{email.subject}}</td>
       <td class="error">
-        <a {{action "showRawEmail" email.id}}>{{email.error}}</a>
+        <a {{action "showIncomingEmail" email.id}}>{{email.error}}</a>
       </td>
     </tr>
   {{else}}

app/assets/javascripts/admin/templates/modal/admin_incoming_email.hbs

@@ -0,0 +1,98 @@
+<div class="control-group">
+  <label>{{i18n "admin.email.incoming_emails.modal.error"}}</label>
+  <div class="controls">
+    <p>{{model.error}}</p>
+    {{#if model.error_description}}
+      <p class="error-description">{{model.error_description}}</p>
+    {{/if}}
+  </div>
+</div>
+
+<hr>
+
+{{#if model.return_path}}
+  <div class="control-group">
+    <label>{{i18n "admin.email.incoming_emails.modal.return_path"}}</label>
+    <div class="controls">
+      {{model.return_path}}
+    </div>
+  </div>
+{{/if}}
+
+<div class="control-group">
+  <label>{{i18n "admin.email.incoming_emails.modal.message_id"}}</label>
+  <div class="controls">
+    {{model.message_id}}
+  </div>
+</div>
+
+{{#if model.references}}
+  <div class="control-group">
+    <label>{{i18n "admin.email.incoming_emails.modal.references"}}</label>
+    <div class="controls">
+      <ul>
+        {{#each reference in model.references}}
+          <li>{{reference}}</li>
+        {{/each}}
+      </ul>
+    </div>
+  </div>
+{{/if}}
+
+{{#if model.in_reply_to}}
+  <div class="control-group">
+    <label>{{i18n "admin.email.incoming_emails.modal.in_reply_to"}}</label>
+    <div class="controls">
+      {{model.in_reply_to}}
+    </div>
+  </div>
+{{/if}}
+
+<div class="control-group">
+  <label>{{i18n "admin.email.incoming_emails.modal.date"}}</label>
+  <div class="controls">
+    {{date}}
+  </div>
+</div>
+
+<div class="control-group">
+  <label>{{i18n "admin.email.incoming_emails.modal.from"}}</label>
+  <div class="controls">
+    {{model.from}}
+  </div>
+</div>
+
+<div class="control-group">
+  <label>{{i18n "admin.email.incoming_emails.modal.to"}}</label>
+  <div class="controls">
+    <ul>
+      {{#each to in model.to}}
+        <li>{{to}}</li>
+      {{/each}}
+    </ul>
+  </div>
+</div>
+
+{{#if model.cc}}
+  <div class="control-group">
+    <label>{{i18n "admin.email.incoming_emails.modal.cc"}}</label>
+    <div class="controls">
+      {{model.cc}}
+    </div>
+  </div>
+{{/if}}
+
+<div class="control-group">
+  <label>{{i18n "admin.email.incoming_emails.modal.subject"}}</label>
+  <div class="controls">
+    {{model.subject}}
+  </div>
+</div>
+
+<div class="control-group">
+  <label>{{i18n "admin.email.incoming_emails.modal.body"}}</label>
+  <div class="controls">
+    {{textarea value=model.body}}
+  </div>
+</div>
+

app/assets/javascripts/admin/views/modals/admin-incoming-email.js.es6

@@ -0,0 +1,7 @@
+import ModalBodyView from "discourse/views/modal-body";
+
+export default ModalBodyView.extend({
+  templateName: 'admin/templates/modal/admin_incoming_email',
+  classNames: ['incoming-emails'],
+  title: I18n.t('admin.email.incoming_emails.modal.title')
+});

app/assets/stylesheets/common/admin/admin_base.scss

@@ -1798,6 +1798,40 @@ table#user-badges {
   }
 }
 
+.incoming-emails {
+  .control-group {
+    margin: 8px 0;
+  }
+  .controls {
+    margin-left: 110px;
+  }
+  p {
+    margin: 5px 10px;
+  }
+  .error-description {
+    color: #919191;
+    font-size: 90%;
+  }
+  hr {
+    margin: 0;
+  }
+  label {
+    font-weight: bold;
+    float: left;
+    width: 100px;
+    text-align: right;
+    margin: 0 10px;
+  }
+  ul {
+    list-style: none;
+    margin: 0 10px;
+  }
+  textarea {
+    width: 95%;
+    height: 150px;
+  }
+}
+
 // Mobile specific styles
 // Mobile view text-inputs need some padding
 .mobile-view .admin-contents {

app/controllers/admin/email_controller.rb

@@ -57,6 +57,13 @@ class Admin::EmailController < Admin::AdminController
     render json: { raw_email: incoming_email.raw }
   end
 
+  def incoming
+    params.require(:id)
+    incoming_email = IncomingEmail.find(params[:id].to_i)
+    serializer = IncomingEmailDetailsSerializer.new(incoming_email, root: false)
+    render_json_dump(serializer)
+  end
+
   private
 
   def filter_email_logs(email_logs, params)

app/serializers/incoming_email_details_serializer.rb

@@ -0,0 +1,82 @@
+class IncomingEmailDetailsSerializer < ApplicationSerializer
+
+  attributes :error,
+             :error_description,
+             :return_path,
+             :date,
+             :from,
+             :to,
+             :cc,
+             :message_id,
+             :references,
+             :in_reply_to,
+             :subject,
+             :body
+
+  def initialize(incoming_email, opts)
+    super
+    @error_string = incoming_email.error
+    @mail = Mail.new(incoming_email.raw)
+  end
+
+  EMAIL_RECEIVER_ERROR_PREFIX = "Email::Receiver::".freeze
+
+  def error
+    @error_string
+  end
+
+  def error_description
+    error_name = @error_string.sub(EMAIL_RECEIVER_ERROR_PREFIX, "").underscore
+    I18n.t("emails.incoming.errors.#{error_name}")
+  end
+
+  def include_error_description?
+    @error_string[EMAIL_RECEIVER_ERROR_PREFIX]
+  end
+
+  def return_path
+    @mail.return_path
+  end
+
+  def date
+    @mail.date
+  end
+
+  def from
+    @mail.from.first.downcase
+  end
+
+  def to
+    @mail.to.map(&:downcase)
+  end
+
+  def cc
+    @mail.cc.map(&:downcase) if @mail.cc.present?
+  end
+
+  def message_id
+    @mail.message_id
+  end
+
+  def references
+    references = Email::Receiver.extract_references(@mail.references)
+    references.delete(@mail.in_reply_to) if references
+    references
+  end
+
+  def in_reply_to
+    @mail.in_reply_to
+  end
+
+  def subject
+    @mail.subject.presence || "(no subject)"
+  end
+
+  def body
+    body   = @mail.text_part.decoded rescue nil
+    body ||= @mail.html_part.decoded rescue nil
+    body ||= @mail.body.decoded      rescue nil
+    body.strip.truncate_words(100, escape: false)
+  end
+
+end

config/locales/client.en.yml

@@ -2262,6 +2262,19 @@ en:
           subject: "Subject"
           error: "Error"
           none: "No incoming emails found."
+          modal:
+            title: "Incoming Email Details"
+            error: "Error"
+            return_path: "Return-Path"
+            message_id: "Message-Id"
+            in_reply_to: "In-Reply-To"
+            references: "References"
+            date: "Date"
+            from: "From"
+            to: "To"
+            cc: "Cc"
+            subject: "Subject"
+            body: "Body"
           filters:
             from_placeholder: "from@example.com"
             to_placeholder: "to@example.com"

config/locales/server.en.yml

@@ -50,6 +50,18 @@ en:
   emails:
     incoming:
       default_subject: "Incoming email from %{email}"
+      errors:
+        empty_email_error: "Happens when the raw mail we received was blank."
+        no_message_id_error: "Happens when the mail has no 'Message-Id' header."
+        auto_generated_email_error: "Happens when the 'precedence' header is set to: list, junk, bulk or auto_reply, or when any other header contains: auto-submitted, auto-replied or auto-generated."
+        no_body_detected_error: "Happens when we couldn't extract a body and there was no attachments."
+        inactive_user_error: "Happens when the sender is not active."
+        bad_destination_address: "Happens when none of the email addresses in To/Cc/Bcc fields matched a configured incoming email address."
+        strangers_not_allowed_error: "Happens when a user tried to create a new topic in a category they're not a member of."
+        insufficient_trust_level_error: "Happens when a use tried to create a new topic in a category they don't have the required trust level for."
+        reply_user_not_matching_error: "Happens when a reply came in from a different email address the notification was sent to."
+        topic_not_found_error: "Happens when a reply came in but the related topic has been deleted."
+        topic_closed_error: "Happens when a reply came in but the related topic has been closed."
 
   errors: &errors
     format: ! '%{attribute} %{message}'

config/routes.rb

@@ -125,6 +125,7 @@ Discourse::Application.routes.draw do
         get "received"
         get "rejected"
         get "/incoming/:id/raw" => "email#raw_email"
+        get "/incoming/:id" => "email#incoming"
         get "preview-digest" => "email#preview_digest"
         post "handle_mail"
       end

lib/email/receiver.rb

@@ -215,7 +215,7 @@ module Email
     end
 
     def find_related_post
-      message_ids = [@mail.in_reply_to, extract_references]
+      message_ids = [@mail.in_reply_to, Email::Receiver.extract_references(@mail.references)]
       message_ids.flatten!
       message_ids.select!(&:present?)
       message_ids.uniq!
@@ -226,11 +226,11 @@ module Email
           .first
     end
 
-    def extract_references
-      if Array === @mail.references
-        @mail.references
-      elsif @mail.references.present?
-        @mail.references.split(/[\s,]/).map { |r| r.sub(/^</, "").sub(/>$/, "") }
+    def self.extract_references(references)
+      if Array === references
+        references
+      elsif references.present?
+        references.split(/[\s,]/).map { |r| r.sub(/^</, "").sub(/>$/, "") }
       end
     end