tags: added a way to update tags

It's useful to just rename tags which have quite some references that
you don't want to nuke.

Signed-off-by: Miquel Sabaté Solà <msabate@suse.com>

5 files changed, 23 insertions, 3 deletions

diff --git a/app/assets/stylesheets/tags.css b/app/assets/stylesheets/tags.css
index 75dd87d..bcf74cf 100644
--- a/app/assets/stylesheets/tags.css
+++ b/app/assets/stylesheets/tags.css
@@ -3,7 +3,7 @@
     vertical-align: middle;
 }
 
-#tag-new h3 span {
+#tag-page h3 span {
     font-size: 1rem;
     vertical-align: middle;
 }
diff --git a/app/controllers/tags_controller.rb b/app/controllers/tags_controller.rb
index 8ae36d7..9d87687 100644
--- a/app/controllers/tags_controller.rb
+++ b/app/controllers/tags_controller.rb
@@ -1,7 +1,7 @@
 # frozen_string_literal: true
 
 class TagsController < ApplicationController
-  before_action :set_tag, only: %i[destroy]
+  before_action :set_tag, only: %i[edit update destroy]
 
   def index
     @tags = Tag.order(:name)
@@ -11,6 +11,8 @@ class TagsController < ApplicationController
     @tag = Tag.new
   end
 
+  def edit; end
+
   def create
     @tag = Tag.new(tag_params)
 
@@ -21,6 +23,14 @@ class TagsController < ApplicationController
     end
   end
 
+  def update
+    if @tag.update(tag_params)
+      redirect_to tags_url, notice: t('tags.update-success')
+    else
+      render :edit, status: :unprocessable_entity
+    end
+  end
+
   def destroy
     @tag.destroy!
 
diff --git a/app/views/tags/_tag.html.erb b/app/views/tags/_tag.html.erb
index 65c6d4e..0a82898 100644
--- a/app/views/tags/_tag.html.erb
+++ b/app/views/tags/_tag.html.erb
@@ -3,6 +3,7 @@
     <%= tag.name %>
   </div>
   <div class="action">
+    <%= link_to I18n.t('general.edit'), edit_tag_path(tag) %> |
     <%= link_to I18n.t('general.delete'), tag_path(tag), data: { "turbo-method": :delete } %>
   </div>
 </div>
diff --git a/app/views/tags/edit.html.erb b/app/views/tags/edit.html.erb
new file mode 100644
index 0000000..44214a3
--- /dev/null
+++ b/app/views/tags/edit.html.erb
@@ -0,0 +1,9 @@
+<div class="center-contents">
+    <div></div>
+    <div id="tag-page">
+        <h3><%= I18n.t('tags.update') %> <span>&#8212; <%= link_to I18n.t('general.back-to-list'), tags_path %></span></h3>
+
+        <%= render "form", tag: @tag %>
+    </div>
+    <div></div>
+</div>
diff --git a/app/views/tags/new.html.erb b/app/views/tags/new.html.erb
index 9d6e1a8..97cd410 100644
--- a/app/views/tags/new.html.erb
+++ b/app/views/tags/new.html.erb
@@ -1,6 +1,6 @@
 <div class="center-contents">
     <div></div>
-    <div id="tag-new">
+    <div id="tag-page">
         <h3><%= I18n.t('tags.new') %> <span>&#8212; <%= link_to I18n.t('general.back-to-list'), tags_path %></span></h3>
 
         <%= render "form", tag: @tag %>