WIP on custom feed edit page

src/MyWebLog.Domain/SupportTypes.fs

@@ -278,13 +278,16 @@ type PodcastOptions =
         iTunesCategory : string
         
         /// A further refinement of the categorization of this podcast (iTunes field / values)
-        iTunesSubcategory : string
+        iTunesSubcategory : string option
         
         /// The explictness rating (iTunes field)
         explicit : ExplicitRating
         
         /// The default media type for files in this podcast
         defaultMediaType : string option
+        
+        /// The base URL for relative URL media files for this podcast (optional; defaults to web log base)
+        mediaBaseUrl : string option
     }
 
 
@@ -303,6 +306,17 @@ type CustomFeed =
         podcast : PodcastOptions option
     }
 
+/// Functions to support custom feeds
+module CustomFeed =
+    
+    /// An empty custom feed
+    let empty =
+        { id      = CustomFeedId ""
+          source  = Category (CategoryId "")
+          path    = Permalink ""
+          podcast = None
+        }
+
 
 /// Really Simple Syndication (RSS) options for this web log
 type RssOptions =

src/MyWebLog.Domain/ViewModels.fs

@@ -164,6 +164,110 @@ type EditCategoryModel =
         }
 
 
+/// View model to edit a custom RSS feed
+[<CLIMutable; NoComparison; NoEquality>]
+type EditCustomFeedModel =
+    {   /// The ID of the feed being editing
+        id : string
+        
+        /// The type of source for this feed ("category" or "tag")
+        sourceType : string
+        
+        /// The category ID or tag on which this feed is based
+        sourceValue : string
+        
+        /// The relative path at which this feed is served
+        path : string
+        
+        /// Whether this feed defines a podcast
+        isPodcast : bool
+        
+        /// The title of the podcast
+        title : string
+        
+        /// A subtitle for the podcast
+        subtitle : string
+        
+        /// The number of items in the podcast feed
+        itemsInFeed : int
+        
+        /// A summary of the podcast (iTunes field)
+        summary : string
+        
+        /// The display name of the podcast author (iTunes field)
+        displayedAuthor : string
+        
+        /// The e-mail address of the user who registered the podcast at iTunes
+        email : string
+        
+        /// The link to the image for the podcast
+        imageUrl : string
+        
+        /// The category from iTunes under which this podcast is categorized
+        itunesCategory : string
+        
+        /// A further refinement of the categorization of this podcast (iTunes field / values)
+        itunesSubcategory : string
+        
+        /// The explictness rating (iTunes field)
+        explicit : string
+        
+        /// The default media type for files in this podcast
+        defaultMediaType : string
+        
+        /// The base URL for relative URL media files for this podcast (optional; defaults to web log base)
+        mediaBaseUrl : string
+    }
+    
+    /// An empty custom feed model
+    static member empty =
+        { id                = ""
+          sourceType        = "category"
+          sourceValue       = ""
+          path              = ""
+          isPodcast         = false
+          title             = ""
+          subtitle          = ""
+          itemsInFeed       = 25
+          summary           = ""
+          displayedAuthor   = ""
+          email             = ""
+          imageUrl          = ""
+          itunesCategory    = ""
+          itunesSubcategory = ""
+          explicit          = "no"
+          defaultMediaType  = "audio/mpeg"
+          mediaBaseUrl      = ""
+        }
+    
+    /// Create a model from a custom feed
+    static member fromFeed (feed : CustomFeed) =
+        let rss =
+            { EditCustomFeedModel.empty with
+                id          = CustomFeedId.toString feed.id
+                sourceType  = match feed.source with Category _ -> "category" | Tag _ -> "tag"
+                sourceValue = match feed.source with Category (CategoryId catId) -> catId | Tag tag -> tag
+                path        = Permalink.toString feed.path
+            }
+        match feed.podcast with
+        | Some p ->
+            { rss with
+                isPodcast         = true
+                title             = p.title
+                subtitle          = defaultArg p.subtitle ""
+                itemsInFeed       = p.itemsInFeed
+                summary           = p.summary
+                displayedAuthor   = p.displayedAuthor
+                email             = p.email
+                itunesCategory    = p.iTunesCategory
+                itunesSubcategory = defaultArg p.iTunesSubcategory ""
+                explicit          = ExplicitRating.toString p.explicit
+                defaultMediaType  = defaultArg p.defaultMediaType ""
+                mediaBaseUrl      = defaultArg p.mediaBaseUrl ""
+            }
+        | None -> rss
+
+
 /// View model to edit a page
 [<CLIMutable; NoComparison; NoEquality>]
 type EditPageModel =

src/MyWebLog/Handlers/Feed.fs

@@ -180,9 +180,11 @@ let private addPodcast webLog (rssFeed : SyndicationFeed) (feed : CustomFeed) =
     let categoryXml = XmlDocument ()
     let catElt = categoryXml.CreateElement ("itunes", "category", "")
     catElt.SetAttribute ("text", podcast.iTunesCategory)
-    let subCat = categoryXml.CreateElement ("itunes", "category", "")
+    podcast.iTunesSubcategory
-    subCat.SetAttribute ("text", podcast.iTunesSubcategory)
+    |> Option.iter (fun subCat ->
-    catElt.AppendChild subCat |> ignore
+        let subCatElt = categoryXml.CreateElement ("itunes", "category", "")
+        subCatElt.SetAttribute ("text", subCat)
+        catElt.AppendChild subCatElt |> ignore)
     categoryXml.AppendChild catElt |> ignore
     
     [ "dc",       "http://purl.org/dc/elements/1.1/"
@@ -287,13 +289,12 @@ let editSettings : HttpHandler = fun next ctx -> task {
         webLog.rss.customFeeds
         |> List.map (DisplayCustomFeed.fromFeed (CategoryCache.get ctx))
         |> Array.ofList
-    return!
+    return! Hash.FromAnonymousObject
-        Hash.FromAnonymousObject
+        {|  csrf         = csrfToken ctx
-            {|  csrf         = csrfToken ctx
+            page_title   = "RSS Settings"
-                page_title   = "RSS Settings"
+            model        = EditRssModel.fromRssOptions webLog.rss
-                model        = EditRssModel.fromRssOptions webLog.rss
+            custom_feeds = feeds
-                custom_feeds = feeds
+        |}
-            |}
         |> viewForTheme "admin" "rss-settings" next ctx
 }
 
@@ -311,6 +312,30 @@ let saveSettings : HttpHandler = fun next ctx -> task {
     | None -> return! Error.notFound next ctx
 }
 
+// GET: /admin/rss/{id}/edit
+let editCustomFeed feedId : HttpHandler = fun next ctx -> task {
+    let customFeed =
+        match feedId with
+        | "new" -> Some CustomFeed.empty
+        | _     -> ctx.WebLog.rss.customFeeds |> List.tryFind (fun f -> f.id = CustomFeedId feedId)
+    match customFeed with
+    | Some f ->
+        return! Hash.FromAnonymousObject
+            {|  csrf       = csrfToken ctx
+                page_title = $"""{if feedId = "new" then "Add" else "Edit"} Custom RSS Feed"""
+                model      = EditCustomFeedModel.fromFeed f
+                categories = CategoryCache.get ctx
+            |}
+            |> viewForTheme "admin" "custom-feed-edit" next ctx
+    | None -> return! Error.notFound next ctx
+}
+
+// POST: /admin/rss/save
+let saveCustomFeed : HttpHandler = fun next ctx -> task {
+    // TODO: stub
+    return! Error.notFound next ctx
+}
+
 // POST /admin/rss/{id}/delete
 let deleteCustomFeed feedId : HttpHandler = fun next ctx -> task {
     let conn = ctx.Conn
@@ -329,7 +354,7 @@ let deleteCustomFeed feedId : HttpHandler = fun next ctx -> task {
             WebLogCache.set webLog
             do! addMessage ctx { UserMessage.success with message = "Custom feed deleted successfully" }
         else
-            do! addMessage ctx { UserMessage.warning with message = "Post not found; nothing deleted" }
+            do! addMessage ctx { UserMessage.warning with message = "Custom feed not found; no action taken" }
         return! redirectToGet (WebLog.relativeUrl webLog (Permalink "admin/settings/rss")) next ctx
     | None -> return! Error.notFound next ctx
 }

src/MyWebLog/Handlers/Routes.fs

@@ -95,7 +95,10 @@ let router : HttpHandler = choose [
             ])
             subRoute "/settings" (choose [
                 route ""     >=> Admin.settings
-                route "/rss" >=> Feed.editSettings
+                subRoute "/rss" (choose [
+                    route  ""         >=> Feed.editSettings
+                    routef "/%s/edit"     Feed.editCustomFeed
+                ])
                 subRoute "/tag-mapping" (choose [
                     route  "s"        >=> Admin.tagMappings
                     routef "/%s/edit"     Admin.editMapping
@@ -122,6 +125,7 @@ let router : HttpHandler = choose [
                 route ""     >=> Admin.saveSettings
                 subRoute "/rss" (choose [
                     route  ""           >=> Feed.saveSettings
+                    route  "/save"      >=> Feed.saveCustomFeed
                     routef "/%s/delete"     Feed.deleteCustomFeed
                 ])
                 subRoute "/tag-mapping" (choose [

src/MyWebLog/Program.fs

@@ -220,10 +220,11 @@ let main args =
     [   // Domain types
         typeof<CustomFeed>; typeof<MetaItem>; typeof<Page>; typeof<RssOptions>; typeof<TagMap>; typeof<WebLog>
         // View models
-        typeof<DashboardModel>;    typeof<DisplayCategory>; typeof<DisplayCustomFeed>; typeof<DisplayPage>
+        typeof<DashboardModel>;        typeof<DisplayCategory>;     typeof<DisplayCustomFeed>; typeof<DisplayPage>
-        typeof<EditCategoryModel>; typeof<EditPageModel>;   typeof<EditPostModel>;     typeof<EditRssModel>
+        typeof<EditCategoryModel>;     typeof<EditCustomFeedModel>; typeof<EditPageModel>;     typeof<EditPostModel>
-        typeof<EditTagMapModel>;   typeof<EditUserModel>;   typeof<LogOnModel>;        typeof<ManagePermalinksModel>
+        typeof<EditRssModel>;          typeof<EditTagMapModel>;     typeof<EditUserModel>;     typeof<LogOnModel>
-        typeof<PostDisplay>;       typeof<PostListItem>;    typeof<SettingsModel>;     typeof<UserMessage>
+        typeof<ManagePermalinksModel>; typeof<PostDisplay>;         typeof<PostListItem>;      typeof<SettingsModel>
+        typeof<UserMessage>
         // Framework types
         typeof<AntiforgeryTokenSet>; typeof<int option>;    typeof<KeyValuePair>; typeof<MetaItem list>
         typeof<string list>;         typeof<string option>; typeof<TagMap list>

src/MyWebLog/themes/admin/custom-feed-edit.liquid

@@ -0,0 +1,186 @@
+<h2 class="my-3">{{ page_title }}</h2>
+<article>
+  <form action="{{ "admin/settings/rss/save" | relative_link }}" method="post">
+    <input type="hidden" name="{{ csrf.form_field_name }}" value="{{ csrf.request_token }}">
+    {%- assign is_cat = model.source_type == "category" -%}
+    <div class="container">
+      <div class="row pb-3">
+        <div class="col-12 col-xl-10 offset-xl-1">
+          <fieldset class="container pb-0">
+            <legend>Feed Source</legend>
+            <div class="row d-flex align-items-center">
+              <div class="col-1 d-flex justify-content-end pb-3">
+                <div class="form-check form-check-inline me-0">
+                  <input type="radio" name="sourceType" id="sourceTypeCat" class="form-check-input" value="category"
+                         {% if is_cat %}checked="checked"{% endif %} onclick="Admin.customFeedBy('category')">
+                  <label for="sourceTypeCat" class="form-check-label d-none">Category</label>
+                </div>
+              </div>
+              <div class="col-11 col-lg-5 pb-3">
+                <div class="form-floating">
+                  <select name="sourceValue" id="sourceValueCat" class="form-control" required
+                          {% unless is_cat %}disabled="disabled"{% endunless %}>
+                    <option value="">&ndash; Select Category &ndash;</option>
+                    {% for cat in categories -%}
+                      <option value="{{ cat.id }}"
+                              {%- if is_cat and model.source_value == cat.id %} selected="selected"{% endif -%}>
+                        {% for it in cat.parent_names %}{{ it }} &rang; {% endfor %}{{ cat.name }}
+                      </option>
+                    {%- endfor %}
+                  </select>
+                  <label for="sourceValueCat">Category</label>
+                </div>
+              </div>
+              <div class="col-1 d-flex justify-content-end pb-3">
+                <div class="form-check form-check-inline me-0">
+                  <input type="radio" name="sourceType" id="sourceTypeTag" class="form-check-input" value="tag"
+                         {%- unless is_cat %} checked="checked"{% endunless %} onclick="Admin.customFeedBy('tag')">
+                  <label for="sourceTypeTag" class="form-check-label d-none">Tag</label>
+                </div>
+              </div>
+              <div class="col-11 col-lg-5 pb-3">
+                <div class="form-floating">
+                  <input type="text" name="sourceValue" id="sourceValueTag" class="form-control" placeholder="Tag"
+                         {%- if is_cat %} disabled="disabled"{% endif %} required
+                         {%- unless is_cat %} value="{{ model.source_value }}"{% endunless %}>
+                  <label for="sourceValueTag">Tag</label>
+                </div>
+              </div>
+            </div>
+          </fieldset>
+        </div>
+      </div>
+      <div class="row">
+        <div class="col-12 col-md-6 col-lg-5 offset-lg-1 col-xl-4 offset-xl-2 pb-3">
+          <div class="form-floating">
+            <input type="text" name="path" id="path" class="form-control" placeholder="Relative Feed Path"
+                   value="{{ model.path }}">
+            <label for="path">Relative Feed Path</label>
+            <span class="form-text fst-italic">Appended to {{ web_log.url_base }}/</span>
+          </div>
+        </div>
+        <div class="col-12 col-md-6 col-lg-5 col-xl-4 pb-3 d-flex align-self-center justify-content-center">
+          <div class="form-check form-switch">
+            <input type="checkbox" name="isPodcast" id="isPodcast" class="form-check-input" value="true"
+                   {%- if model.is_podcast %} checked="checked"{% endif %} onclick="Admin.checkPodcast()">
+            <label for="isPodcast" class="form-check-label">Is Podcast Feed</label>
+          </div>
+        </div>
+      </div>
+      <div class="row pb-3">
+        <div class="col">
+          <fieldset class="container" id="podcastFields"{% unless model.is_podcast %} disabled="disabled"{%endunless%}>
+            <legend>Podcast Settings</legend>
+            <div class="row">
+              <div class="col-12 col-lg-6 pb-3">
+                <div class="form-floating">
+                  <input type="text" name="title" id="title" class="form-control" placeholder="Title" required
+                         value="{{ model.title }}">
+                  <label for="title">Title</label>
+                </div>
+              </div>
+              <div class="col-12 col-lg-6 pb-3">
+                <div class="form-floating">
+                  <input type="text" name="subtitle" id="subtitle" class="form-control" placeholder="Subtitle"
+                         value="{{ model.subtitle }}">
+                  <label for="subtitle">Podcast Subtitle</label>
+                </div>
+              </div>
+            </div>
+            <div class="row pb-3">
+              <div class="col">
+                <div class="form-floating">
+                  <input type="text" name="summary" id="summary" class="form-control" placeholder="Summary" required
+                         value="{{ model.summary }}">
+                  <label for="summary">Summary</label>
+                  <span class="form-text fst-italic">Displayed in podcast directories</span>
+                </div>
+              </div>
+            </div>
+            <div class="row">
+              <div class="col-12 col-lg-5 pb-3">
+                <div class="form-floating">
+                  <input type="text" name="displayedAuthor" id="displayedAuthor" class="form-control"
+                         placeholder="Author" required value="{{ model.displayed_author }}">
+                  <label for="displayedAuthor">Displayed Author</label>
+                </div>
+              </div>
+              <div class="col-12 col-lg-5 pb-3">
+                <div class="form-floating">
+                  <input type="text" name="email" id="email" class="form-control" placeholder="Email" required
+                         value="{{ model.email }}">
+                  <label for="email">Author E-mail</label>
+                  <span class="form-text fst-italic">For iTunes, must match registered e-mail</span>
+                </div>
+              </div>
+              <div class="col-12 col-lg-2 pb-3">
+                <div class="form-floating">
+                  <input type="number" name="itemsInFeed" id="itemsInFeed" class="form-control" placeholder="Items"
+                         required value="{{ model.items_in_feed }}">
+                  <label for="itemsInFeed"># Episodes</label>
+                </div>
+              </div>
+            </div>
+            <div class="row">
+              <div class="col-12 col-lg-6 pb-3">
+                <div class="form-floating">
+                  <input type="text" name="itunesCategory" id="itunesCategory" class="form-control"
+                         placeholder="iTunes Category" required value="{{ model.itunes_category }}">
+                  <label for="itunesCategory">iTunes Category</label>
+                  <span class="form-text fst-italic">
+                    <a href="https://www.thepodcasthost.com/planning/itunes-podcast-categories/" target="_blank"
+                       rel="noopener">
+                      iTunes Category / Subcategory List
+                    </a>
+                  </span>
+                </div>
+              </div>
+              <div class="col-12 col-lg-6 pb-3">
+                <div class="form-floating">
+                  <input type="text" name="itunesSubcategory" id="itunesSubcategory" class="form-control"
+                         placeholder="iTunes Subcategory" value="{{ model.itunes_subcategory }}">
+                  <label for="itunesSubcategory">iTunes Subcategory</label>
+                </div>
+              </div>
+            </div>
+            <div class="row">
+              <div class="col-12 col-sm-6 col-lg-4">
+                <div class="form-floating">
+                  <select name="explicit" id="explicit" class="form-control" required>
+                    <option value="yes"{% if model.explicit == "yes" %} selected="selected"{% endif %}>Yes</option>
+                    <option value="no"{% if model.explicit == "no" %} selected="selected"{% endif %}>No</option>
+                    <option value="clean"{% if model.explicit == "clean" %} selected="selected"{% endif %}>
+                      Clean
+                    </option>
+                  </select>
+                  <label for="explicit">Explicit Rating</label>
+                </div>
+              </div>
+              <div class="col-12 col-sm-6 col-lg-4">
+                <div class="form-floating">
+                  <input type="text" name="defaultMediaType" id="defaultMediaType" class="form-control"
+                         placeholder="Media Type" value="{{ model.default_media_type }}">
+                  <label for="defaultMediaType">Default Media Type</label>
+                  <span class="form-text fst-italic">Optional; blank for no default</span>
+                </div>
+              </div>
+              <div class="col-12 col-sm-6 col-lg-4">
+                <div class="form-floating">
+                  <input type="text" name="mediaBaseUrl" id="mediaBaseUrl" class="form-control"
+                         placeholder="Media Base URL" value="{{ model.media_base_url }}">
+                  <label for="mediaBaseUrl">Media Base URL</label>
+                  <span class="form-text fst-italic">Optional; prepended to episode media file if present</span>
+                </div>
+              </div>
+            </div>
+          </fieldset>
+        </div>
+      </div>
+      <div class="row pb-3">
+        <div class="col text-center">
+          <button type="submit" class="btn btn-primary">Save Changes</button>
+        </div>
+      </div>
+    </div>
+  </form>
+</article>

src/MyWebLog/themes/admin/rss-settings.liquid

@@ -64,7 +64,9 @@
     </div>
   </form>
   <h3>Custom Feeds</h3>
-  <a class="btn btn-sm btn-secondary" href="{{ 'admin/rss/new/edit' | relative_link }}">Add a New Custom Feed</a>
+  <a class="btn btn-sm btn-secondary" href="{{ 'admin/settings/rss/new/edit' | relative_link }}">
+    Add a New Custom Feed
+  </a>
   <table class="table table-sm table-hover">
     <thead>
       <tr>

src/MyWebLog/wwwroot/themes/admin/admin.js

@@ -139,6 +139,31 @@
     this.nextPermalink++
   },
 
+  /**
+   * Check to enable or disable podcast fields
+   */
+  checkPodcast() {
+    document.getElementById("podcastFields").disabled = !document.getElementById("isPodcast").checked
+  },
+  
+  /**
+   * Toggle the source of a custom RSS feed
+   * @param source The source that was selected
+   */
+  customFeedBy(source) {
+    const categoryInput = document.getElementById("sourceValueCat")
+    const tagInput      = document.getElementById("sourceValueTag")
+    if (source === "category") {
+      tagInput.value         = ""
+      tagInput.disabled      = true
+      categoryInput.disabled = false
+    } else {
+      categoryInput.selectedIndex = -1
+      categoryInput.disabled      = true
+      tagInput.disabled           = false
+    }
+  },
+  
   /**
    * Remove a metadata item
    * @param idx The index of the metadata item to remove