Added channel and video edit pages; added link back to channel from video view page

lib/routes/channel.rb

@@ -38,4 +38,36 @@ namespace '/channel' do
     }
   end
 
+  get '/:channel_id/edit' do
+    channel = Channel.where(id: params[:channel_id]).first()
+    erb :'channel/edit', :locals => {
+      :title => "Editing: #{channel.name}",
+      :channel => channel
+    }
+  end
+  post '/:channel_id/edit' do
+    # get channel model and save old directory path
+    channel = Channel.where(id: params[:channel_id]).first()
+    old_path = channel.directory_path
+
+    # edit channel model
+    channel.update(
+      name: params[:channel_name],
+      directory_path: params[:channel_dir],
+      description: params[:channel_description]
+    )
+
+    # edit associate videos' directory paths
+    channel.videos.each do |v|
+      video_path = v.directory_path.sub(old_path, channel.directory_path)
+      v.update(directory_path: video_path)
+    end
+
+    # rename channel directory
+    File.rename(old_path, channel.directory_path)
+
+    # redirect user
+    redirect "/channel/#{channel.id}"
+  end
+
 end

lib/routes/video.rb

@@ -48,4 +48,41 @@ namespace '/video' do
     }
   end
 
+  get '/:video_id/edit' do
+    video = Video.where(id: params[:video_id]).first()
+    channels = Channel.all()
+    erb :'video/edit', :locals => {
+      :title => "Editing: #{video.name}",
+      :video => video,
+      :channels => channels
+    }
+  end
+  post '/:video_id/edit' do
+    channel = Channel.where(id: params[:video_channel]).first()
+    video_serial = params[:video_serial].to_s.rjust(4, '0')
+    video_path = File.join(
+      channel.directory_path,
+      "##{video_serial} - #{params[:video_name]}"
+    )
+
+    # find video and temporarily save the old video path
+    video = Video.where(id: params[:video_id]).first()
+    old_path = video.directory_path
+
+    # edit video attributes
+    video.update(
+      name: params[:video_name],
+      serial: params[:video_serial],
+      channel_id: params[:video_channel],
+      directory_path: video_path,
+      description: params[:video_description]
+    )
+
+    # rename the video project directory
+    File.rename(old_path, video_path)
+
+    # redirect the user
+    redirect "/video/#{video.id}"
+  end
+
 end

views/channel/edit.erb

@@ -0,0 +1,34 @@
+<div class="row">
+  <div class="twelve columns">
+    <h1>Editing: <%= channel.name %></h1>
+  </div>
+</div>
+
+<div class="row">
+  <div class="twelve columns">
+    <form action="/channel/<%= channel.id %>/edit" method="POST" class="u-full-width">
+      <div class="row">
+        <div class="columns twelve">
+          <label for="channel_name">Channel name:</label>
+          <input class="u-full-width" type="text" placeholder="My new channel" id="channel_name" name="channel_name" required value="<%= channel.name %>">
+        </div>
+      </div>
+
+      <div class="row">
+        <div class="columns twelve">
+          <label for="channel_dir">Channel directory:</label>
+          <input class="u-full-width" type="text" id="channel_dir" name="channel_dir" required value="<%= channel.directory_path %>">
+        </div>
+      </div>
+
+      <div class="row">
+        <div class="twelve columns">
+          <label for="channel_description">Channel description:</label>
+          <textarea class="u-full-width" type="text" placeholder="Description of the channel" id="channel_description" name="channel_description"><%= channel.description %></textarea>
+        </div>
+      </div>
+
+      <input class="button-primary u-full-width" type="submit" value="Submit">
+    </form>
+  </div>
+</div>

views/video/edit.erb

@@ -0,0 +1,43 @@
+<div class="row">
+  <div class="twelve columns">
+    <h1>Editing: <%= video.name %></h1>
+  </div>
+</div>
+
+<div class="row">
+  <div class="twelve columns">
+    <form action="/video/<%= video.id %>/edit" method="POST" class="u-full-width">
+      <div class="row">
+        <div class="columns twelve">
+          <label for="video_name">Video name:</label>
+          <input class="u-full-width" type="text" placeholder="My new video" id="video_name" name="video_name" required value="<%= video.name %>">
+        </div>
+      </div>
+
+      <div class="row">
+        <div class="columns three">
+          <label for="video_serial">Video serial:</label>
+          <input class="u-full-width" type="number" placeholder="0001" id="video_serial" name="video_serial" required value="<%= video.serial %>">
+        </div>
+
+        <div class="columns nine">
+          <label for="video_channel">Associated channel:</label>
+          <select class="u-full-width" id="video_channel" name="video_channel" required>
+            <% channels.each do |c| %>
+              <option value="<%= c.id %>"<% if c.id == video.channel_id %> selected<% end %>><%= c.name %></option>
+            <% end %>
+          </select>
+        </div>
+      </div>
+
+      <div class="row">
+        <div class="twelve columns">
+          <label for="video_description">Video description:</label>
+          <textarea class="u-full-width" type="text" placeholder="Description of the video" id="video_description" name="video_description"><%= video.description %></textarea>
+        </div>
+      </div>
+
+      <input class="button-primary u-full-width" type="submit" value="Submit">
+    </form>
+  </div>
+</div>

views/video/view.erb

@@ -15,7 +15,7 @@
         <a href="/video/<%= video.id %>/delete">Delete <i class="fa-solid fa-trash"></i></a></span>
     </div>
     <div class="video-channel">
-      <p>Channel: <span><%= video.channel.name %></span></p>
+      <p>Channel: <a href="/channel/<%= video.channel.id %>"><span><%= video.channel.name %></span></a></p>
     </div>
     <div class="video-serial">
       <p>Serial: <span><%= serialize(video.serial) %></span></p>