Add ability to disable login and mark accounts as memorial (#5615)

Fix #5597

app/views/accounts/_header.html.haml

@@ -1,21 +1,22 @@
 .card.h-card.p-author{ style: "background-image: url(#{account.header.url(:original)})" }
   .card__illustration
-    - if user_signed_in? && current_account.id != account.id && !current_account.requested?(account)
-      .controls
-        - if current_account.following?(account)
-          = link_to account_unfollow_path(account), data: { method: :post }, class: 'icon-button' do
-            = fa_icon 'user-times'
-            = t('accounts.unfollow')
-        - else
-          = link_to account_follow_path(account), data: { method: :post }, class: 'icon-button' do
-            = fa_icon 'user-plus'
-            = t('accounts.follow')
-    - elsif !user_signed_in?
-      .controls
-        .remote-follow
-          = link_to account_remote_follow_path(account), class: 'icon-button' do
-            = fa_icon 'user-plus'
-            = t('accounts.remote_follow')
+    - unless account.memorial?
+      - if user_signed_in? && current_account.id != account.id && !current_account.requested?(account)
+        .controls
+          - if current_account.following?(account)
+            = link_to account_unfollow_path(account), data: { method: :post }, class: 'icon-button' do
+              = fa_icon 'user-times'
+              = t('accounts.unfollow')
+          - else
+            = link_to account_follow_path(account), data: { method: :post }, class: 'icon-button' do
+              = fa_icon 'user-plus'
+              = t('accounts.follow')
+      - elsif !user_signed_in?
+        .controls
+          .remote-follow
+            = link_to account_remote_follow_path(account), class: 'icon-button' do
+              = fa_icon 'user-plus'
+              = t('accounts.remote_follow')
 
     .avatar= image_tag account.avatar.url(:original), class: 'u-photo'
 

app/views/accounts/show.html.haml

@@ -12,7 +12,9 @@
   = opengraph 'og:type', 'profile'
   = render 'og', account: @account, url: short_account_url(@account, only_path: false)
 
-- if show_landing_strip?
+- if @account.memorial?
+  .memoriam-strip= t('in_memoriam_html')
+- elsif show_landing_strip?
   = render partial: 'shared/landing_strip', locals: { account: @account }
 
 .h-feed