First cut of common edit model

src/MyWebLog.Domain/ViewModels.fs

@@ -604,6 +604,59 @@ type EditMyInfoModel = {
           NewPasswordConfirm = "" }
 
 
+/// View model common to page and post edits
+type EditCommonModel() =
+    
+    /// Find the latest revision within a list of revisions
+    let findLatestRevision (revs: Revision list) =
+        match revs |> List.sortByDescending _.AsOf |> List.tryHead with Some rev -> rev | None -> Revision.Empty
+    
+    /// The ID of the page or post
+    member val Id = "" with get, set
+    
+    /// The title of the page or post
+    member val Title = "" with get, set
+    
+    /// The permalink for the page or post
+    member val Permalink = "" with get, set
+    
+    /// The entity to which this model applies ("page" or "post")
+    member val Entity = "" with get, set
+    
+    /// Whether to provide a link to manage chapters
+    member val IncludeChapterLink = false with get, set
+    
+    /// The source type ("HTML" or "Markdown")
+    member val Source = "" with get, set
+    
+    /// The text of the page or post
+    member val Text = "" with get, set
+    
+    /// Whether this is a new page or post
+    member this.IsNew with get () = this.Id = "new"
+    
+    /// Fill the properties of this object from a page
+    member this.FromPage (page: Page) =
+        let latest = findLatestRevision page.Revisions
+        this.Id        <- string page.Id
+        this.Title     <- page.Title
+        this.Permalink <- string page.Permalink
+        this.Entity    <- "page"
+        this.Source    <- latest.Text.SourceType
+        this.Text      <- latest.Text.Text
+        
+    /// Fill the properties of this object from a post
+    member this.FromPost (post: Post) =
+        let latest = findLatestRevision post.Revisions
+        this.Id                 <- string post.Id
+        this.Title              <- post.Title
+        this.Permalink          <- string post.Permalink
+        this.Entity             <- "post"
+        this.IncludeChapterLink <- Option.isSome post.Episode && Option.isSome post.Episode.Value.Chapters
+        this.Source             <- latest.Text.SourceType
+        this.Text               <- latest.Text.Text
+
+    
 /// View model to edit a page
 [<CLIMutable; NoComparison; NoEquality>]
 type EditPageModel = {

src/MyWebLog/DotLiquidBespoke.fs

@@ -228,10 +228,9 @@ let register () =
       typeof<CustomFeed>;   typeof<Episode>;    typeof<Episode option>; typeof<MetaItem>;          typeof<Page>
       typeof<RedirectRule>; typeof<RssOptions>; typeof<TagMap>;         typeof<UploadDestination>; typeof<WebLog>
       // View models
-      typeof<AppViewContext>;      typeof<DisplayCategory>; typeof<DisplayCustomFeed>; typeof<DisplayPage>
-      typeof<DisplayTheme>;        typeof<DisplayUpload>;   typeof<DisplayUser>;       typeof<EditCategoryModel>
-      typeof<EditCustomFeedModel>; typeof<EditPageModel>;   typeof<EditPostModel>;     typeof<EditRssModel>
-      typeof<PostDisplay>;         typeof<PostListItem>;    typeof<SettingsModel>;     typeof<UserMessage>
+      typeof<AppViewContext>; typeof<DisplayCategory>; typeof<DisplayCustomFeed>; typeof<DisplayPage>
+      typeof<DisplayTheme>;   typeof<DisplayUpload>;   typeof<DisplayUser>;       typeof<EditPageModel>
+      typeof<EditPostModel>;  typeof<PostDisplay>;     typeof<PostListItem>;      typeof<UserMessage>
       // Framework types
       typeof<AntiforgeryTokenSet>; typeof<DateTime option>; typeof<int option>;    typeof<KeyValuePair>
       typeof<MetaItem list>;       typeof<string list>;     typeof<string option>; typeof<TagMap list>

src/MyWebLog/Views/Helpers.fs

@@ -310,6 +310,40 @@ let roundTrip = InstantPattern.CreateWithInvariantCulture "uuuu'-'MM'-'dd'T'HH':
 let private capitalize (it: string) =
     $"{(string it[0]).ToUpper()}{it[1..]}"
 
+/// The common edit form shared by pages and posts
+let commonEdit (model: EditCommonModel) app = [
+    textField [ _required; _autofocus ] (nameof model.Title) "Title" model.Title []
+    textField [ _required ] (nameof model.Permalink) "Permalink" model.Permalink [
+        if not model.IsNew then
+            let urlBase = relUrl app $"admin/{model.Entity}/{model.Id}"
+            span [ _class "form-text" ] [
+                a [ _href $"{urlBase}/permalinks" ] [ raw "Manage Permalinks" ]; actionSpacer
+                a [ _href $"{urlBase}/revisions" ] [ raw "Manage Revisions" ]
+                if model.IncludeChapterLink then
+                    span [ _id "chapterEditLink" ] [
+                        actionSpacer; a [ _href $"{urlBase}/chapters" ] [ raw "Manage Chapters" ]
+                    ]
+            ]
+    ]
+    div [ _class "mb-2" ] [
+        label [ _for "text" ] [ raw "Text" ]; raw "     "
+        div [ _class "btn-group btn-group-sm"; _roleGroup; _ariaLabel "Text format button group" ] [
+            input [ _type "radio"; _name (nameof model.Source); _id "source_html"; _class "btn-check"
+                    _value (string Html); if model.Source = string Html then _checked ]
+            label [ _class "btn btn-sm btn-outline-secondary"; _for "source_html" ] [ raw "HTML" ]
+            input [ _type "radio"; _name (nameof model.Source); _id "source_md"; _class "btn-check"
+                    _value (string Markdown); if model.Source = string Markdown then _checked ]
+            label [ _class "btn btn-sm btn-outline-secondary"; _for "source_md" ] [ raw "Markdown" ]
+        ]
+    ]
+    div [ _class "pb-3" ] [
+        textarea [ _name (nameof model.Text); _id (nameof model.Text); _class "form-control"; _rows "20" ] [
+            raw model.Text
+        ]
+    ]
+]
+
+
 /// Form to manage permalinks for pages or posts
 let managePermalinks (model: ManagePermalinksModel) app = [
     let baseUrl = relUrl app $"admin/{model.Entity}/"