Add Fluid where filter, fix slug (#47)

- Fix issue with path base and logon redirects

src/MyWebLog/Handlers/Helpers.fs

@@ -139,7 +139,13 @@ module Error =
     /// Handle unauthorized actions, redirecting to log on for GETs, otherwise returning a 401 Not Authorized response
     let notAuthorized : HttpHandler = fun next ctx ->
         if ctx.Request.Method = "GET" then
-            let redirectUrl = $"user/log-on?returnUrl={WebUtility.UrlEncode ctx.Request.Path}"
+            let fullPath =
+                String.concat ""
+                    (seq {
+                        if ctx.Request.PathBase.HasValue then yield ctx.Request.PathBase.Value
+                        yield ctx.Request.Path.Value
+                    })
+            let redirectUrl = $"user/log-on?returnUrl={WebUtility.UrlEncode fullPath}"
             (next, ctx)
             ||> if isHtmx ctx then withHxRedirect redirectUrl >=> withHxRetarget "body" >=> redirectToGet redirectUrl
                 else redirectToGet redirectUrl

src/MyWebLog/Template.fs

@@ -172,6 +172,21 @@ let options () =
                 |> Option.defaultValue $"-- {name} not found --"
             |> sValue)
 
+    // A filter to search through a collection of objects for a matching property
+    it.Filters.AddFilter("where",
+        fun input args ctx ->
+            let name = args.At(0).ToStringValue()
+            let value = args.At(1).ToStringValue()
+            input.Enumerate(ctx)
+            |> Seq.filter (fun it ->
+                let theItem = it.ToObjectValue()
+                match theItem.GetType().GetProperties() |> Array.tryFind (fun x -> x.Name = name) with
+                | Some pi -> pi.GetValue(theItem) = value
+                | None -> false)
+            |> Seq.toArray
+            |> ArrayValue :> FluidValue
+            |> VTask)
+
     it
 
 open Giraffe.Htmx.Common
@@ -234,11 +249,11 @@ let parser =
                 writer.WriteLine $"""{s}<link rel=canonical href="{app.WebLog.AbsoluteUrl Permalink.Empty}">"""
 
             if app.WebLog.Rss.IsCategoryEnabled && app.IsCategoryHome then
-                let slug = context.AmbientValues["slug"] :?> string
+                let slug = (context.Model.ToObjectValue() :?> AppViewContext).Slug
                 writer.WriteLine(feedLink app.WebLog.Name $"category/{slug}/{app.WebLog.Rss.FeedName}")
 
             if app.WebLog.Rss.IsTagEnabled && app.IsTagHome then
-                let slug = context.AmbientValues["slug"] :?> string
+                let slug = (context.Model.ToObjectValue() :?> AppViewContext).Slug
                 writer.WriteLine(feedLink app.WebLog.Name $"tag/{slug}/{app.WebLog.Rss.FeedName}")
 
             if app.IsPost then
@@ -287,7 +302,7 @@ let parser =
                 "</ul>"
             }
             |> Seq.iter writer.WriteLine
-            ok())
+            ok ())
 
     it
 

src/default-theme/index.liquid

@@ -13,8 +13,8 @@
           </a>
         </h1>
         <p>
-        Published on {{ post.published_on | date: "MMMM d, yyyy" }}
-        at {{ post.published_on | date: "h:mmtt" | downcase }}
+        Published on {{ post.published_on | format_date: "MMMM d, yyyy" }}
+        at {{ post.published_on | format_date: "h:mmtt" | downcase }}
         by {{ model.authors | value: post.author_id }}
         {{ post.text }}
         {%- assign category_count = post.category_ids | size -%}

src/default-theme/single-post.liquid

@@ -2,8 +2,8 @@
 <h1>{{ post.title }}</h1>
 <h4 class="item-meta text-muted">
   {% if post.published_on -%}
-    Published {{ post.published_on | date: "dddd, MMMM d, yyyy" }}
-    at {{ post.published_on | date: "h:mm tt" | downcase }}
+    Published {{ post.published_on | format_date: "dddd, MMMM d, yyyy" }}
+    at {{ post.published_on | format_date: "h:mm tt" | downcase }}
   {%- else -%}
     **DRAFT**
   {% endif %}

src/default-theme/version.txt

@@ -1,2 +1,2 @@
 myWebLog Default Theme
-2.2
+3