fix(server) - add publish date (#58)

implements #57

Author: dnkbln

client/src/sagas/import.saga.ts

@@ -176,6 +176,7 @@ function* fetchEpisodeDetails({ payload }: Action<string>) {
       explicit: get(episode, 'explicit', null),
       duration: get(episode, 'duration', null),
       cover: get(episode, 'cover', null),
+      pub_date: get(episode, 'pub_date', null),
       transcript: {
         language: get(episode, ['transcript', 'language'], null),
         rel: get(episode, ['transcript', 'rel'], null),

client/src/types/episode.types.ts

@@ -46,6 +46,7 @@ export interface EpisodeDetailsPayload {
     explicit: boolean;
     duration: string;
     cover: string;
+    pub_date: string;
     transcript: {
       language: string;
       rel: string;

server/lib/publisher/feed_parser.ex

@@ -86,7 +86,8 @@ defmodule Publisher.FeedParser do
          cover: episode.image_url,
          chapters: episode.chapters,
          transcript: transcript(episode),
-         contributors: episode.contributors
+         contributors: episode.contributors,
+         pub_date: episode.pub_date
        }
      }}
   end

server/lib/publisher/wordpress/episode.ex

@@ -100,12 +100,57 @@ defmodule Publisher.WordPress.Episode do
     Enum.reject(map, fn {_, v} -> is_nil(v) end)
   end
 
-  defp upload_content(req, post_id, %{"content" => content} = _params)
-       when not is_nil(content) do
+  defp wordpress_date(date) do
+    date
+    |> parse_date()
+    |> DateTime.to_iso8601()
+  end
+
+  defp parse_date(date) do
+    formats = [
+      "{RFC822}",
+      "{RFC822z}",
+      "{RFC1123}",
+      "{RFC1123z}",
+      "{RFC3339}",
+      "{RFC3339z}",
+      "{ISO:Extended}",
+      "{ISO:Extended:Z}"
+    ]
+
+    Enum.find_value(formats, fn format ->
+      case Timex.parse(date, format) do
+        {:ok, date} -> date
+        {:error, _} -> false
+      end
+    end)
+  end
+
+  defp upload_content(req, post_id, %{"content" => content, "pub_date" => pub_date} = _params)
+       when not is_nil(content) and not is_nil(pub_date) do
     Logger.info("Episode post #{post_id} content is #{String.length(content)}")
+    Logger.info("Episode post #{post_id} release date is #{pub_date}")
+
+    payload = %{
+      content: content,
+      date: wordpress_date(pub_date)
+    }
+
+    Req.post(req,
+      url: "wp/v2/episodes/#{post_id}",
+      json: payload
+    )
+
+    :ok
+  end
+
+  defp upload_content(req, post_id, %{"content" => content, "pub_date" => pub_date} = _params)
+       when is_nil(content) and not is_nil(pub_date) do
+    Logger.info("Episode post has no post content")
+    Logger.info("Episode post #{post_id} release date is #{pub_date}")
 
     payload = %{
-      content: content
+      date: wordpress_date(pub_date)
     }
 
     Req.post(req,

server/lib/publisher_web/controllers/validator/save_chapters.ex

@@ -20,7 +20,7 @@ defmodule PublisherWeb.Controllers.Validator.SaveChapters do
       if normalplaytime_valid?(value) do
         []
       else
-        [{field, "is not conform with NormalPlayTime"}]
+        [{field, " is not conform with NormalPlayTime"}]
       end
     end)
   end

server/lib/publisher_web/controllers/validator/save_episode.ex

@@ -9,14 +9,46 @@ defmodule PublisherWeb.Controllers.Validator.SaveEpisode do
     field(:slug, :string)
     field(:content, :string)
     field(:cover, :string)
+    field(:pub_date, :string)
   end
 
-  @allowed_attrs [:guid, :title, :subtitle, :summary, :slug, :content, :cover]
+  @allowed_attrs [:guid, :title, :subtitle, :summary, :slug, :content, :cover, :pub_date]
   @required_attrs [:guid, :title, :slug]
 
   def changeset(attrs) do
     %__MODULE__{}
     |> cast(attrs, @allowed_attrs)
     |> validate_required(@required_attrs)
+    |> validate_date(:pub_date)
+  end
+
+  defp validate_date(changeset, field) do
+    validate_change(changeset, field, fn _, value ->
+      if publication_date_valid?(value) do
+        []
+      else
+        [{field, " is not a conformed date"}]
+      end
+    end)
+  end
+
+  defp publication_date_valid?(field) do
+    formats = [
+      "{RFC822}",
+      "{RFC822z}",
+      "{RFC1123}",
+      "{RFC1123z}",
+      "{RFC3339}",
+      "{RFC3339z}",
+      "{ISO:Extended}",
+      "{ISO:Extended:Z}"
+    ]
+
+    Enum.find_value(formats, fn format ->
+      case Timex.parse(field, format) do
+        {:ok, field} -> field
+        {:error, _} -> false
+      end
+    end)
   end
 end

server/mix.exs

@@ -29,7 +29,8 @@ defmodule Publisher.MixProject do
       {:slugify, "~> 1.3"},
       {:nimble_options, "~> 1.1"},
       {:metalove, git: "https://github.com/podlove/metalove", branch: "master"},
-      {:honeybadger, "~> 0.22"}
+      {:honeybadger, "~> 0.22"},
+      {:timex, "~> 3.7"}
     ]
   end
 end