WIP on upload admin (#2)

src/MyWebLog.Data/Interfaces.fs

@@ -208,9 +208,12 @@ type IUploadData =
     /// Find an uploaded file by its path for the given web log
     abstract member findByPath : string -> WebLogId -> Task<Upload option>
     
-    /// Find all uploaded files for a web log
+    /// Find all uploaded files for a web log (excludes data)
     abstract member findByWebLog : WebLogId -> Task<Upload list>
     
+    /// Find all uploaded files for a web log
+    abstract member findByWebLogWithData : WebLogId -> Task<Upload list>
+    
     /// Restore uploaded files from a backup
     abstract member restore : Upload list -> Task<unit>
 

src/MyWebLog.Data/RethinkDbData.fs

@@ -755,6 +755,14 @@ type RethinkDbData (conn : Net.IConnection, config : DataConfig, log : ILogger<R
                     |> tryFirst <| conn
                 
                 member _.findByWebLog webLogId = rethink<Upload> {
+                    withTable Table.Upload
+                    between (r.Array (webLogId, r.Minval ())) (r.Array (webLogId, r.Maxval ()))
+                        [ Index "webLogAndPath" ]
+                    without [ "data" ]
+                    resultCursor; withRetryCursorDefault; toList conn
+                }
+                
+                member _.findByWebLogWithData webLogId = rethink<Upload> {
                     withTable Table.Upload
                     between (r.Array (webLogId, r.Minval ())) (r.Array (webLogId, r.Maxval ()))
                         [ Index "webLogAndPath" ]

src/MyWebLog.Data/SQLite/Helpers.fs

@@ -249,16 +249,20 @@ module Map =
         }
     
     /// Create an uploaded file from the current row in the given data reader
-    let toUpload (rdr : SqliteDataReader) : Upload =
+    let toUpload includeData (rdr : SqliteDataReader) : Upload =
+        let data =
+            if includeData then
+                use dataStream = new MemoryStream ()
+                use blobStream = getStream "data" rdr
+                blobStream.CopyTo dataStream
+                dataStream.ToArray ()
+            else
+                [||]
         { id        = UploadId (getString "id" rdr)
           webLogId  = WebLogId (getString "web_log_id" rdr)
           path      = Permalink (getString "path" rdr)
           updatedOn = getDateTime "updated_on" rdr
-          data      =
+          data      = data
-              use dataStream = new MemoryStream ()
-              use blobStream = getStream "data" rdr
-              blobStream.CopyTo dataStream
-              dataStream.ToArray ()
         }
     
     /// Create a web log from the current row in the given data reader

src/MyWebLog.Data/SQLite/SQLiteUploadData.fs

@@ -44,16 +44,25 @@ type SQLiteUploadData (conn : SqliteConnection) =
         addWebLogId cmd webLogId
         cmd.Parameters.AddWithValue ("@path", path) |> ignore
         let! rdr = cmd.ExecuteReaderAsync ()
-        return if rdr.Read () then Some (Map.toUpload rdr) else None
+        return if rdr.Read () then Some (Map.toUpload true rdr) else None
+    }
+    
+    /// Find all uploaded files for the given web log (excludes data)
+    let findByWebLog webLogId = backgroundTask {
+        use cmd = conn.CreateCommand ()
+        cmd.CommandText <- "SELECT id, web_log_id, path, updated_on FROM upload WHERE web_log_id = @webLogId"
+        addWebLogId cmd webLogId
+        let! rdr = cmd.ExecuteReaderAsync ()
+        return toList (Map.toUpload false) rdr
     }
     
     /// Find all uploaded files for the given web log
-    let findByWebLog webLogId = backgroundTask {
+    let findByWebLogWithData webLogId = backgroundTask {
         use cmd = conn.CreateCommand ()
         cmd.CommandText <- "SELECT *, ROWID FROM upload WHERE web_log_id = @webLogId"
         addWebLogId cmd webLogId
         let! rdr = cmd.ExecuteReaderAsync ()
-        return toList Map.toUpload rdr
+        return toList (Map.toUpload true) rdr
     }
     
     /// Restore uploads from a backup
@@ -65,5 +74,6 @@ type SQLiteUploadData (conn : SqliteConnection) =
         member _.add upload = add upload
         member _.findByPath path webLogId = findByPath path webLogId
         member _.findByWebLog webLogId = findByWebLog webLogId
+        member _.findByWebLogWithData webLogId = findByWebLogWithData webLogId
         member _.restore uploads = restore uploads
         

src/MyWebLog.Domain/ViewModels.fs

@@ -12,6 +12,29 @@ module private Helpers =
         match (defaultArg (Option.ofObj it) "").Trim () with "" -> None | trimmed -> Some trimmed
 
 
+/// The model used to display the admin dashboard
+[<NoComparison; NoEquality>]
+type DashboardModel =
+    {   /// The number of published posts
+        posts : int
+
+        /// The number of post drafts
+        drafts : int
+
+        /// The number of pages
+        pages : int
+
+        /// The number of pages in the page list
+        listedPages : int
+
+        /// The number of categories
+        categories : int
+
+        /// The top-level categories
+        topLevelCategories : int
+    }
+
+
 /// Details about a category, used to display category lists
 [<NoComparison; NoEquality>]
 type DisplayCategory =
@@ -124,27 +147,37 @@ type DisplayPage =
         }
 
 
-/// The model used to display the admin dashboard
+open System.IO
+
+/// Information about an uploaded file used for display
 [<NoComparison; NoEquality>]
-type DashboardModel =
+type DisplayUpload =
-    {   /// The number of published posts
+    {   /// The ID of the uploaded file
-        posts : int
+        id : string
-
+        
-        /// The number of post drafts
+        /// The name of the uploaded file
-        drafts : int
+        name : string
-
+        
-        /// The number of pages
+        /// The path at which the file is served
-        pages : int
+        path : string
-
+        
-        /// The number of pages in the page list
+        /// The date/time the file was updated
-        listedPages : int
+        updatedOn : DateTime option
-
+        
-        /// The number of categories
+        /// The source for this file (created from UploadDestination DU)
-        categories : int
+        source : string
-
-        /// The top-level categories
-        topLevelCategories : int
     }
+    
+    /// Create a display uploaded file
+    static member fromUpload source (upload : Upload) =
+        let path = Permalink.toString upload.path
+        let name = Path.GetFileName path
+        { id        = UploadId.toString upload.id
+          name      = name
+          path      = path.Replace (name, "")
+          updatedOn = Some upload.updatedOn
+          source    = UploadDestination.toString source
+        }
 
 
 /// View model for editing categories

src/MyWebLog/DotLiquidBespoke.fs

@@ -226,11 +226,11 @@ let register () =
         typeof<CustomFeed>; typeof<Episode>; typeof<Episode option>; 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<EditCustomFeedModel>; typeof<EditPageModel>;     typeof<EditPostModel>
+        typeof<DisplayUpload>;  typeof<EditCategoryModel>;     typeof<EditCustomFeedModel>; typeof<EditPageModel>
-        typeof<EditRssModel>;          typeof<EditTagMapModel>;     typeof<EditUserModel>;     typeof<LogOnModel>
+        typeof<EditPostModel>;  typeof<EditRssModel>;          typeof<EditTagMapModel>;     typeof<EditUserModel>
-        typeof<ManagePermalinksModel>; typeof<PostDisplay>;         typeof<PostListItem>;      typeof<SettingsModel>
+        typeof<LogOnModel>;     typeof<ManagePermalinksModel>; typeof<PostDisplay>;         typeof<PostListItem>
-        typeof<UserMessage>
+        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/Handlers/Routes.fs

@@ -143,6 +143,9 @@ let router : HttpHandler = choose [
                 ])
             ])
             route    "/theme/update" >=> Admin.themeUpdatePage
+            subRoute "/upload" (choose [
+                route "s" >=> Upload.list
+            ])
             route    "/user/edit"    >=> User.edit
         ]
         POST >=> validateCsrf >=> choose [

src/MyWebLog/Handlers/Upload.fs

@@ -59,3 +59,52 @@ let serve (urlParts : string seq) : HttpHandler = fun next ctx -> task {
     else
         return! Error.notFound next ctx
 }
+
+// ADMIN
+
+open System.IO
+open DotLiquid
+open MyWebLog.ViewModels
+
+// GET /admin/uploads
+let list : HttpHandler = fun next ctx -> task {
+    let webLog = ctx.WebLog
+    let! dbUploads = ctx.Data.Upload.findByWebLog webLog.id
+    let diskUploads =
+        let path = Path.Combine ("wwwroot", "upload", webLog.slug)
+        printfn $"Files in %s{path}"
+        try
+            Directory.EnumerateFiles (path, "*", SearchOption.AllDirectories)
+            |> Seq.map (fun file ->
+                let name = Path.GetFileName file
+                let create =
+                    match File.GetCreationTime (Path.Combine (path, file)) with
+                    | dt when dt > DateTime.UnixEpoch -> Some dt
+                    | _ -> None
+                { DisplayUpload.id = ""
+                  name             = name
+                  path             = file.Substring(8).Replace (name, "")
+                  updatedOn        = create
+                  source           = UploadDestination.toString Disk
+                })
+            |> List.ofSeq
+        with
+        | :? DirectoryNotFoundException -> [] // This is fine
+        | ex ->
+            warn "Upload" ctx $"Encountered {ex.GetType().Name} listing uploads for {path}:\n{ex.Message}"
+            []
+    printfn "done"
+    let allFiles =
+        dbUploads
+        |> List.map (DisplayUpload.fromUpload Database)
+        |> List.append diskUploads
+        |> List.sortByDescending (fun file -> file.updatedOn, file.path)
+
+    return!
+        Hash.FromAnonymousObject {|
+            csrf       = csrfToken ctx
+            page_title = "Uploaded Files"
+            files      = allFiles
+        |}
+        |> viewForTheme "admin" "upload-list" next ctx
+    }

src/MyWebLog/Maintenance.fs

@@ -292,7 +292,7 @@ module Backup =
         let! posts = data.Post.findFullByWebLog webLog.id
         
         printfn "- Exporting uploads..."
-        let! uploads = data.Upload.findByWebLog webLog.id
+        let! uploads = data.Upload.findByWebLogWithData webLog.id
         
         printfn "- Writing archive..."
         let  archive    = {

src/admin-theme/_layout.liquid

@@ -12,6 +12,7 @@
             {{ "admin/dashboard" | nav_link: "Dashboard" }}
             {{ "admin/pages" | nav_link: "Pages" }}
             {{ "admin/posts" | nav_link: "Posts" }}
+            {{ "admin/uploads" | nav_link: "Uploads" }}
             {{ "admin/categories" | nav_link: "Categories" }}
             {{ "admin/settings" | nav_link: "Settings" }}
           </ul>

src/admin-theme/upload-list.liquid

@@ -0,0 +1,32 @@
+<h2 class="my-3">{{ page_title }}</h2>
+<article>
+  <a href="{{ "admin/upload/new" | relative_link }}" class="btn btn-primary btn-sm mb-3">Upload a New File</a>
+  <form method="post" class="container" hx-target="body">
+    <input type="hidden" name="{{ csrf.form_field_name }}" value="{{ csrf.request_token }}">
+    <div class="row mwl-table-heading">
+      <div class="col">File Name</div>
+      <div class="col">Path</div>
+      <div class="col">File Date/Time</div>
+    </div>
+    {%- assign file_count = files | size -%}
+    {%- if file_count > 0 %}
+      {% for file in files %}
+        <div class="row mwl-table-detail">
+          <div class="col">{{ file.name }}</div>
+          <div class="col">
+            <span class="badge bg-{% if file.source == "disk" %}secondary{% else %}primary{% endif %} text-uppercase">
+              {{ file.source }}
+            </span> {{ file.path }}
+          </div>
+          <div class="col">
+            {% if file.updated_on %}{{ file.updated_on.value | date: "yyyy-MM-dd/HH:mm" }}{% else %}--{% endif %}
+          </div>
+        </div>
+      {% endfor %}
+    {%- else -%}
+      <div class="row">
+        <div class="col text-muted fst-italic text-center">This web log has uploaded files</div>
+      </div>
+    {%- endif %}
+  </form>
+</article>