- Generate RSS feed

- Add category/tag post list handlers
- Add post newer/older links
- Add user info edit page
- Add support for all-of-the-above to personal theme

src/MyWebLog.Data/Data.fs

@@ -82,14 +82,16 @@ module Startup =
                     indexCreate "priorPermalinks" [ Multi ]
                     write; withRetryOnce; ignoreResult conn
                 }
-        // Post needs index by category (used for counting posts)
+        // Post needs indexes by category and tag (used for counting and retrieving posts)
-        if Table.Post = table && not (indexes |> List.contains "categoryIds") then
+        if Table.Post = table then
-            log.LogInformation $"Creating index {table}.categoryIds..."
+            for idx in [ "categoryIds"; "tags" ] do
-            do! rethink {
+                if not (List.contains idx indexes) then
-                withTable table
+                    log.LogInformation $"Creating index {table}.{idx}..."
-                indexCreate "categoryIds" [ Multi ]
+                    do! rethink {
-                write; withRetryOnce; ignoreResult conn
+                        withTable table
-            }
+                        indexCreate idx [ Multi ]
+                        write; withRetryOnce; ignoreResult conn
+                    }
         // Users log on with e-mail
         if Table.WebLogUser = table && not (indexes |> List.contains "logOn") then
             log.LogInformation $"Creating index {table}.logOn..."
@@ -194,6 +196,7 @@ module Category =
                     withTable Table.Post
                     getAll catIds "categoryIds"
                     filter "status" Published
+                    distinct
                     count
                     result; withRetryDefault conn
                 }
@@ -395,6 +398,8 @@ module Page =
 /// Functions to manipulate posts
 module Post =
     
+    open System
+    
     /// Add a post
     let add (post : Post) =
         rethink {
@@ -445,6 +450,22 @@ module Post =
         }
         |> tryFirst
 
+    /// Find posts to be displayed on a category list page
+    let findPageOfCategorizedPosts (webLogId : WebLogId) (catIds : CategoryId list) (pageNbr : int64) postsPerPage =
+        let pg = int pageNbr
+        rethink<Post list> {
+            withTable Table.Post
+            getAll (catIds |> List.map (fun it -> it :> obj)) "categoryIds"
+            filter "webLogId" webLogId
+            filter "status" Published
+            without [ "priorPermalinks"; "revisions" ]
+            distinct
+            orderByDescending "publishedOn"
+            skip ((pg - 1) * postsPerPage)
+            limit (postsPerPage + 1)
+            result; withRetryDefault
+        }
+    
     /// Find posts to be displayed on an admin page
     let findPageOfPosts (webLogId : WebLogId) (pageNbr : int64) postsPerPage =
         let pg = int pageNbr
@@ -472,6 +493,46 @@ module Post =
             result; withRetryDefault
         }
     
+    /// Find posts to be displayed on a tag list page
+    let findPageOfTaggedPosts (webLogId : WebLogId) (tag : string) (pageNbr : int64) postsPerPage =
+        let pg = int pageNbr
+        rethink<Post list> {
+            withTable Table.Post
+            getAll [ tag ] "tags"
+            filter "webLogId" webLogId
+            filter "status" Published
+            without [ "priorPermalinks"; "revisions" ]
+            orderByDescending "publishedOn"
+            skip ((pg - 1) * postsPerPage)
+            limit (postsPerPage + 1)
+            result; withRetryDefault
+        }
+    
+    /// Find the next older and newer post for the given post
+    let findSurroundingPosts (webLogId : WebLogId) (publishedOn : DateTime) conn = backgroundTask {
+        let! older =
+            rethink<Post list> {
+                withTable Table.Post
+                getAll [ webLogId ] (nameof webLogId)
+                filter (fun row -> row.G("publishedOn").Lt publishedOn :> obj)
+                orderByDescending "publishedOn"
+                limit 1
+                result; withRetryDefault
+            }
+            |> tryFirst <| conn
+        let! newer =
+            rethink<Post list> {
+                withTable Table.Post
+                getAll [ webLogId ] (nameof webLogId)
+                filter (fun row -> row.G("publishedOn").Gt publishedOn :> obj)
+                orderBy "publishedOn"
+                limit 1
+                result; withRetryDefault
+            }
+            |> tryFirst <| conn
+        return older, newer
+    }
+    
     /// Update a post (all fields are updated)
     let update (post : Post) =
         rethink {
@@ -542,6 +603,14 @@ module WebLogUser =
         }
         |> tryFirst
     
+    /// Find a user by their ID
+    let findById (userId : WebLogUserId) =
+        rethink<WebLogUser> {
+            withTable Table.WebLogUser
+            get userId
+            resultOption; withRetryOptionDefault
+        }
+    
     /// Get a user ID -> name dictionary for the given user IDs
     let findNames (webLogId : WebLogId) conn (userIds : WebLogUserId list) = backgroundTask {
         let! users = rethink<WebLogUser list> {
@@ -552,3 +621,19 @@ module WebLogUser =
         }
         return users |> List.map (fun u -> { name = WebLogUserId.toString u.id; value = WebLogUser.displayName u })
     }
+    
+    /// Update a user
+    let update (user : WebLogUser) =
+        rethink {
+            withTable Table.WebLogUser
+            get user.id
+            update [
+                "firstName",     user.firstName :> obj
+                "lastName",      user.lastName
+                "preferredName", user.preferredName
+                "passwordHash",  user.passwordHash
+                "salt",          user.salt
+                ]
+            write; withRetryDefault; ignoreResult
+        }
+    

src/MyWebLog.Data/MyWebLog.Data.fsproj

@@ -14,7 +14,7 @@
 		<PackageReference Include="Microsoft.FSharpLu.Json" Version="0.11.7" />
 		<PackageReference Include="Newtonsoft.Json" Version="13.0.1" />
 		<PackageReference Include="RethinkDb.Driver" Version="2.3.150" />
-		<PackageReference Include="RethinkDb.Driver.FSharp" Version="0.8.0-alpha-0008" />
+		<PackageReference Include="RethinkDb.Driver.FSharp" Version="0.8.0-alpha-0009" />
 		<PackageReference Update="FSharp.Core" Version="6.0.3" />
 	</ItemGroup>
 	

src/MyWebLog.Domain/ViewModels.fs

@@ -255,6 +255,32 @@ type EditPostModel =
         }
 
 
+/// View model to edit a user
+[<CLIMutable; NoComparison; NoEquality>]
+type EditUserModel =
+    {   /// The user's first name
+        firstName : string
+        
+        /// The user's last name
+        lastName : string
+        
+        /// The user's preferred name
+        preferredName : string
+        
+        /// A new password for the user
+        newPassword : string
+        
+        /// A new password for the user, confirmed
+        newPasswordConfirm : string
+    }
+    /// Create an edit model from a user
+    static member fromUser (user : WebLogUser) =
+        { firstName          = user.firstName
+          lastName           = user.lastName
+          preferredName      = user.preferredName
+          newPassword        = ""
+          newPasswordConfirm = ""
+        }
 /// The model to use to allow a user to log on
 [<CLIMutable; NoComparison; NoEquality>]
 type LogOnModel =
@@ -342,8 +368,14 @@ type PostDisplay =
         /// The link to view newer (more recent) posts
         newerLink : string option
         
+        /// The name of the next newer post (single-post only)
+        newerName : string option
+        
         /// The link to view older (less recent) posts
         olderLink : string option
+        
+        /// The name of the next older post (single-post only)
+        olderName : string option
     }
 
 

src/MyWebLog/Handlers.fs

@@ -1,15 +1,16 @@
 [<RequireQualifiedAccess>]
 module MyWebLog.Handlers
 
+open System
+open System.Net
+open System.Threading.Tasks
+open System.Web
 open DotLiquid
 open Giraffe
 open Microsoft.AspNetCore.Http
 open MyWebLog
 open MyWebLog.ViewModels
 open RethinkDb.Driver.Net
-open System
-open System.Net
-open System.Threading.Tasks
 
 /// Handlers for error conditions
 module Error =
@@ -99,7 +100,7 @@ module private Helpers =
     let mutable private generatorString : string option = None
     
     /// Get the generator string
-    let private generator (ctx : HttpContext) =
+    let generator (ctx : HttpContext) =
         if Option.isNone generatorString then
             let cfg = ctx.RequestServices.GetRequiredService<IConfiguration> ()
             generatorString <- Option.ofObj cfg["Generator"]
@@ -454,55 +455,78 @@ module Page =
         | None -> return! Error.notFound next ctx
     }
 
-
+    
 /// Handlers to manipulate posts
 module Post =
     
+    open System.IO
+    open System.ServiceModel.Syndication
+    open System.Xml
+    
+    /// Split the "rest" capture for categories and tags into the page number and category/tag URL parts
+    let private pathAndPageNumber (ctx : HttpContext) =
+        let slugs     = (string ctx.Request.RouteValues["slug"]).Split "/" |> Array.filter (fun it -> it <> "")
+        let pageIdx   = Array.IndexOf (slugs, "page")
+        let pageNbr   = if pageIdx > 0 then (int64 slugs[pageIdx + 1]) else 1L
+        let slugParts = if pageIdx > 0 then Array.truncate pageIdx slugs else slugs
+        pageNbr, String.Join ("/", slugParts)
+        
     /// The type of post list being prepared
     type ListType =
+        | AdminList
         | CategoryList
-        | TagList
         | PostList
         | SinglePost
-        | AdminList
+        | TagList
         
+    /// Get all authors for a list of posts as metadata items
+    let private getAuthors (webLog : WebLog) (posts : Post list) conn =
+        posts
+        |> List.map (fun p -> p.authorId)
+        |> List.distinct
+        |> Data.WebLogUser.findNames webLog.id conn
+
     /// Convert a list of posts into items ready to be displayed
-    let private preparePostList (webLog : WebLog) (posts : Post list) listType pageNbr perPage ctx conn = task {
+    let private preparePostList webLog posts listType url pageNbr perPage ctx conn = task {
-        let! authors =
+        let! authors = getAuthors webLog posts conn
-            posts
-            |> List.map (fun p -> p.authorId)
-            |> List.distinct
-            |> Data.WebLogUser.findNames webLog.id conn
         let postItems =
             posts
             |> Seq.ofList
             |> Seq.truncate perPage
             |> Seq.map (PostListItem.fromPost webLog)
             |> Array.ofSeq
+        let! olderPost, newerPost =
+            match listType with
+            | SinglePost -> Data.Post.findSurroundingPosts webLog.id (List.head posts).publishedOn.Value conn
+            | _          -> Task.FromResult (None, None)
         let newerLink =
             match listType, pageNbr with
-            | SinglePost,   _  -> Some "TODO: retrieve prior post"
+            | SinglePost,   _  -> newerPost |> Option.map (fun p -> Permalink.toString p.permalink)
             | _,            1L -> None
             | PostList,     2L    when webLog.defaultPage = "posts" -> Some ""
             | PostList,     _  -> Some $"page/{pageNbr - 1L}"
-            | CategoryList, _  -> Some "TODO"
+            | CategoryList, 2L -> Some $"category/{url}/"
-            | TagList,      _  -> Some "TODO"
+            | CategoryList, _  -> Some $"category/{url}/page/{pageNbr - 1L}"
+            | TagList,      2L -> Some $"tag/{url}/"
+            | TagList,      _  -> Some $"tag/{url}/page/{pageNbr - 1L}"
             | AdminList,    2L -> Some "posts"
             | AdminList,    _  -> Some $"posts/page/{pageNbr - 1L}"
         let olderLink =
             match listType, List.length posts > perPage with
-            | SinglePost,   _     -> Some "TODO: retrieve next post"
+            | SinglePost,   _     -> olderPost |> Option.map (fun p -> Permalink.toString p.permalink)
             | _,            false -> None
             | PostList,     true  -> Some $"page/{pageNbr + 1L}"
-            | CategoryList, true  -> Some $"category/TODO-slug-goes-here/page/{pageNbr + 1L}"
+            | CategoryList, true  -> Some $"category/{url}/page/{pageNbr + 1L}"
-            | TagList,      true  -> Some $"tag/TODO-slug-goes-here/page/{pageNbr + 1L}"
+            | TagList,      true  -> Some $"tag/{url}/page/{pageNbr + 1L}"
             | AdminList,    true  -> Some $"posts/page/{pageNbr + 1L}"
         let model =
             { posts      = postItems
               authors    = authors
               subtitle   = None
               newerLink  = newerLink
+              newerName  = newerPost |> Option.map (fun p -> p.title)
               olderLink  = olderLink
+              olderName  = olderPost |> Option.map (fun p -> p.title)
             }
         return Hash.FromAnonymousObject {| model = model; categories = CategoryCache.get ctx |}
     }
@@ -512,15 +536,59 @@ module Post =
         let  webLog = WebLogCache.get ctx
         let  conn   = conn ctx
         let! posts  = Data.Post.findPageOfPublishedPosts webLog.id pageNbr webLog.postsPerPage conn
-        let! hash   = preparePostList webLog posts PostList pageNbr webLog.postsPerPage ctx conn
+        let! hash   = preparePostList webLog posts PostList "" pageNbr webLog.postsPerPage ctx conn
         let  title  =
             match pageNbr, webLog.defaultPage with
             | 1L, "posts" -> None
             | _,  "posts" -> Some $"Page {pageNbr}"
             | _,  _       -> Some $"Page {pageNbr} &laquo; Posts"
         match title with Some ttl -> hash.Add ("page_title", ttl) | None -> ()
+        if pageNbr = 1L && webLog.defaultPage = "posts" then hash.Add ("is_home", true)
         return! themedView "index" next ctx hash
     }
+    
+    // GET /category/{slug}/
+    // GET /category/{slug}/page/{pageNbr}
+    let pageOfCategorizedPosts : HttpHandler = fun next ctx -> task {
+        let  webLog  = WebLogCache.get ctx
+        let  conn    = conn ctx
+        let  pageNbr, slug = pathAndPageNumber ctx
+        let  allCats = CategoryCache.get ctx
+        let  cat     = allCats |> Array.find (fun cat -> cat.slug = slug)
+        // Category pages include posts in subcategories
+        let  catIds  =
+            allCats
+            |> Seq.ofArray
+            |> Seq.filter (fun c -> c.id = cat.id || Array.contains cat.name c.parentNames)
+            |> Seq.map (fun c -> CategoryId c.id)
+            |> List.ofSeq
+        match! Data.Post.findPageOfCategorizedPosts webLog.id catIds pageNbr webLog.postsPerPage conn with
+        | posts when List.length posts > 0 ->
+            let! hash    = preparePostList webLog posts CategoryList cat.slug pageNbr webLog.postsPerPage ctx conn
+            let  pgTitle = if pageNbr = 1L then "" else $""" <small class="archive-pg-nbr">(Page {pageNbr})</small>"""
+            hash.Add ("page_title", $"{cat.name}: Category Archive{pgTitle}")
+            hash.Add ("subtitle", cat.description.Value)
+            hash.Add ("is_category", true)
+            return! themedView "index" next ctx hash
+        | _ -> return! Error.notFound next ctx
+    }
+
+    // GET /tag/{tag}/
+    // GET /tag/{tag}/page/{pageNbr}
+    let pageOfTaggedPosts : HttpHandler = fun next ctx -> task {
+        let  webLog  = WebLogCache.get ctx
+        let  conn    = conn ctx
+        let  pageNbr, rawTag = pathAndPageNumber ctx
+        let  tag     = HttpUtility.UrlDecode rawTag
+        match! Data.Post.findPageOfTaggedPosts webLog.id tag pageNbr webLog.postsPerPage conn with
+        | posts when List.length posts > 0 ->
+            let! hash    = preparePostList webLog posts TagList rawTag pageNbr webLog.postsPerPage ctx conn
+            let  pgTitle = if pageNbr = 1L then "" else $""" <small class="archive-pg-nbr">(Page {pageNbr})</small>"""
+            hash.Add ("page_title", $"Posts Tagged &ldquo;{tag}&rdquo;{pgTitle}")
+            hash.Add ("is_tag", true)
+            return! themedView "index" next ctx hash
+        | _ -> return! Error.notFound next ctx
+    }
 
     // GET /
     let home : HttpHandler = fun next ctx -> task {
@@ -531,41 +599,108 @@ module Post =
             match! Data.Page.findById (PageId pageId) webLog.id (conn ctx) with
             | Some page ->
                 return!
-                    Hash.FromAnonymousObject {| page = DisplayPage.fromPage webLog page; page_title = page.title |}
+                    Hash.FromAnonymousObject {|
+                        page       = DisplayPage.fromPage webLog page
+                        page_title = page.title
+                        is_home    = true
+                    |}
                     |> themedView (defaultArg page.template "single-page") next ctx
             | None -> return! Error.notFound next ctx
     }
     
-    // GET {**link}
+    // GET /feed.xml
-    let catchAll : HttpHandler = fun next ctx -> task {
+    //   (Routing handled by catch-all handler for future configurability)
+    let generateFeed : HttpHandler = fun next ctx -> backgroundTask {
+        let  conn    = conn ctx
+        let  webLog  = WebLogCache.get ctx
+        // TODO: hard-coded number of items
+        let! posts   = Data.Post.findPageOfPublishedPosts webLog.id 1L 10 conn
+        let! authors = getAuthors webLog posts conn
+        let  cats    = CategoryCache.get ctx
+        
+        let toItem (post : Post) =
+            let urlBase = $"https://{webLog.urlBase}/"
+            let item = SyndicationItem (
+                Id          = $"{urlBase}{Permalink.toString post.permalink}",
+                Title       = TextSyndicationContent.CreateHtmlContent post.title,
+                PublishDate = DateTimeOffset post.publishedOn.Value)
+            item.AddPermalink (Uri item.Id)
+            let doc = XmlDocument ()
+            let content = doc.CreateElement ("content", "encoded", "http://purl.org/rss/1.0/modules/content/")
+            content.InnerText <- post.text
+                                     .Replace("src=\"/", $"src=\"{urlBase}")
+                                     .Replace ("href=\"/", $"href=\"{urlBase}")
+            item.ElementExtensions.Add content
+            item.Authors.Add (SyndicationPerson (
+                Name = (authors |> List.find (fun a -> a.name = WebLogUserId.toString post.authorId)).value))
+            for catId in post.categoryIds do
+                let cat = cats |> Array.find (fun c -> c.id = CategoryId.toString catId)
+                item.Categories.Add (SyndicationCategory (cat.name, $"{urlBase}category/{cat.slug}/", cat.name))
+            for tag in post.tags do
+                let urlTag = tag.Replace (" ", "+")
+                item.Categories.Add (SyndicationCategory (tag, $"{urlBase}tag/{urlTag}/", $"{tag} (tag)"))
+            item
+            
+        
+        let feed = SyndicationFeed ()
+        feed.Title           <- TextSyndicationContent webLog.name
+        feed.Description     <- TextSyndicationContent <| defaultArg webLog.subtitle webLog.name
+        feed.LastUpdatedTime <- DateTimeOffset <| (List.head posts).updatedOn
+        feed.Generator       <- generator ctx
+        feed.Items           <- posts |> Seq.ofList |> Seq.map toItem
+        
+        use mem = new MemoryStream ()
+        use xml = XmlWriter.Create mem
+        let formatter = Rss20FeedFormatter feed
+        formatter.WriteTo xml
+        xml.Close ()
+        
+        let _ = mem.Seek (0L, SeekOrigin.Begin)
+        let rdr = new StreamReader(mem)
+        let! output = rdr.ReadToEndAsync ()
+        
+        return! ( setHttpHeader "Content-Type" "text/xml" >=> setStatusCode 200 >=> setBodyFromString output) next ctx
+    }
+    
+    /// Sequence where the first returned value is the proper handler for the link
+    let private deriveAction ctx : HttpHandler seq =
         let webLog    = WebLogCache.get ctx
         let conn      = conn ctx
         let permalink = (string >> Permalink) ctx.Request.RouteValues["link"]
-        // Current post
+        let await it  = (Async.AwaitTask >> Async.RunSynchronously) it
-        match! Data.Post.findByPermalink permalink webLog.id conn with
+        seq {
-        | Some post ->
+            // Current post
-            let! model = preparePostList webLog [ post ] SinglePost 1 1 ctx conn
+            match Data.Post.findByPermalink permalink webLog.id conn |> await with
-            model.Add ("page_title", post.title)
+            | Some post -> 
-            return! themedView "single-post" next ctx model
+                let model = preparePostList webLog [ post ] SinglePost "" 1 1 ctx conn |> await
-        | None ->
+                model.Add ("page_title", post.title)
+                yield fun next ctx -> themedView "single-post" next ctx model
+            | None -> ()
             // Current page
-            match! Data.Page.findByPermalink permalink webLog.id conn with
+            match Data.Page.findByPermalink permalink webLog.id conn |> await with
             | Some page ->
-                return!
+                yield fun next ctx ->
                     Hash.FromAnonymousObject {| page = DisplayPage.fromPage webLog page; page_title = page.title |}
                     |> themedView (defaultArg page.template "single-page") next ctx
-            | None ->
+            | None -> ()
-                // Prior post
+            // RSS feed
-                match! Data.Post.findCurrentPermalink permalink webLog.id conn with
+            // TODO: configure this via web log
-                | Some link -> return! redirectTo true $"/{Permalink.toString link}" next ctx
+            if Permalink.toString permalink = "feed.xml" then yield generateFeed
-                | None ->
+            // Prior post
-                    // Prior page
+            match Data.Post.findCurrentPermalink permalink webLog.id conn |> await with
-                    match! Data.Page.findCurrentPermalink permalink webLog.id conn with
+            | Some link -> yield redirectTo true $"/{Permalink.toString link}"
-                    | Some link -> return! redirectTo true $"/{Permalink.toString link}" next ctx
+            | None -> ()
-                    | None ->
+            // Prior permalink
-                        // We tried, we really did...
+            match Data.Page.findCurrentPermalink permalink webLog.id conn |> await with
-                        Console.Write($"Returning 404 for permalink |{permalink}|");
+            | Some link -> yield redirectTo true $"/{Permalink.toString link}"
-                        return! Error.notFound next ctx
+            | None -> ()
+        }
+    
+    // GET {**link}
+    let catchAll : HttpHandler = fun next ctx -> task {
+        match deriveAction ctx |> Seq.tryHead with
+        | Some handler -> return! handler next ctx
+        | None -> return! Error.notFound next ctx
     }
 
     // GET /posts
@@ -574,7 +709,7 @@ module Post =
         let  webLog = WebLogCache.get ctx
         let  conn   = conn ctx
         let! posts  = Data.Post.findPageOfPosts webLog.id pageNbr 25 conn
-        let! hash   = preparePostList webLog posts AdminList pageNbr 25 ctx conn
+        let! hash   = preparePostList webLog posts AdminList "" pageNbr 25 ctx conn
         hash.Add ("page_title", "Posts")
         return! viewForTheme "admin" "post-list" next ctx hash
     }
@@ -746,6 +881,52 @@ module User =
         return! redirectToGet "/" next ctx
     }
     
+    /// Display the user edit page, with information possibly filled in
+    let private showEdit (hash : Hash) : HttpHandler = fun next ctx -> task {
+        hash.Add ("page_title", "Edit Your Information")
+        hash.Add ("csrf", csrfToken ctx)
+        return! viewForTheme "admin" "user-edit" next ctx hash
+    }
+    
+    // GET /user/edit
+    let edit : HttpHandler = requireUser >=> fun next ctx -> task {
+        match! Data.WebLogUser.findById (userId ctx) (conn ctx) with
+        | Some user -> return! showEdit (Hash.FromAnonymousObject {| model = EditUserModel.fromUser user |}) next ctx
+        | None -> return! Error.notFound next ctx
+    }
+    
+    // POST /user/save
+    let save : HttpHandler = requireUser >=> validateCsrf >=> fun next ctx -> task {
+        let! model = ctx.BindFormAsync<EditUserModel> ()
+        if model.newPassword = model.newPasswordConfirm then
+            let conn = conn ctx
+            match! Data.WebLogUser.findById (userId ctx) conn with
+            | Some user ->
+                let pw, salt =
+                    if model.newPassword = "" then
+                        user.passwordHash, user.salt
+                    else
+                        let newSalt = Guid.NewGuid ()
+                        hashedPassword model.newPassword user.userName newSalt, newSalt
+                let user =
+                    { user with
+                        firstName     = model.firstName
+                        lastName      = model.lastName
+                        preferredName = model.preferredName
+                        passwordHash  = pw
+                        salt          = salt
+                    }
+                do! Data.WebLogUser.update user conn
+                let pwMsg = if model.newPassword = "" then "" else " and updated your password"
+                do! addMessage ctx { UserMessage.success with message = $"Saved your information{pwMsg} successfully" }
+                return! redirectToGet "/user/edit" next ctx
+            | None -> return! Error.notFound next ctx
+        else
+            do! addMessage ctx { UserMessage.error with message = "Passwords did not match; no updates made" }
+            return! showEdit (Hash.FromAnonymousObject {|
+                    model = { model with newPassword = ""; newPasswordConfirm = "" }
+                |}) next ctx
+    }
 
 open Giraffe.EndpointRouting
 
@@ -765,8 +946,9 @@ let endpoints = [
     ]
     subRoute "/categor" [
         GET [
-            route  "ies"       Category.all
+            route  "ies"        Category.all
-            routef "y/%s/edit" Category.edit
+            routef "y/%s/edit"  Category.edit
+            route  "y/{**slug}" Post.pageOfCategorizedPosts
         ]
         POST [
             route  "y/save"      Category.save
@@ -776,6 +958,7 @@ let endpoints = [
     subRoute "/page" [
         GET [
             routef "/%d"       Post.pageOfPosts
+            //routef "/%d/"      (fun pg -> redirectTo true $"/page/{pg}")
             routef "/%s/edit"  Page.edit
             route  "s"         (Page.all 1)
             routef "s/page/%d" Page.all
@@ -794,13 +977,20 @@ let endpoints = [
             route "/save" Post.save
         ]
     ]
+    subRoute "/tag" [
+        GET [
+            route "/{**slug}" Post.pageOfTaggedPosts
+        ]
+    ]
     subRoute "/user" [
         GET [
+            route "/edit"    User.edit
             route "/log-on"  (User.logOn None)
             route "/log-off" User.logOff
         ]
         POST [
             route "/log-on" User.doLogOn
+            route "/save"   User.save
         ]
     ]
     route "{**link}" Post.catchAll

src/MyWebLog/Program.fs

@@ -207,9 +207,9 @@ let main args =
     [   // Domain types
         typeof<MetaItem>; typeof<Page>; typeof<WebLog>
         // View models
-        typeof<DashboardModel>; typeof<DisplayCategory>; typeof<DisplayPage>; typeof<EditCategoryModel>
+        typeof<DashboardModel>; typeof<DisplayCategory>; typeof<DisplayPage>;   typeof<EditCategoryModel>
-        typeof<EditPageModel>;  typeof<EditPostModel>;   typeof<LogOnModel>;  typeof<PostDisplay>
+        typeof<EditPageModel>;  typeof<EditPostModel>;   typeof<EditUserModel>; typeof<LogOnModel>
-        typeof<PostListItem>;   typeof<SettingsModel>;   typeof<UserMessage>
+        typeof<PostDisplay>;    typeof<PostListItem>;    typeof<SettingsModel>; typeof<UserMessage>
         // Framework types
         typeof<AntiforgeryTokenSet>; typeof<KeyValuePair>; typeof<MetaItem list>; typeof<string list>
         typeof<string option>

src/MyWebLog/themes/admin/layout.liquid

@@ -28,6 +28,7 @@
             {%- endif %}
             <ul class="navbar-nav flex-grow-1 justify-content-end">
               {% if logged_on -%}
+                {{ "user/edit" | nav_link: "Edit User" }}
                 {{ "user/log-off" | nav_link: "Log Off" }}
               {%- else -%}
                 {{ "user/log-on" | nav_link: "Log On" }}

src/MyWebLog/themes/admin/user-edit.liquid

@@ -0,0 +1,64 @@
+<h2 class="my-3">{{ page_title }}</h2>
+<article>
+  <form action="/user/save" method="post">
+    <input type="hidden" name="{{ csrf.form_field_name }}" value="{{ csrf.request_token }}">
+    <div class="container">
+      <div class="row mb-3">
+        <div class="col-6 col-lg-4 pb-3">
+          <div class="form-floating">
+            <input type="text" name="firstName" id="firstName" class="form-control" autofocus required
+                   placeholder="First" value="{{ model.first_name }}">
+            <label for="firstName">First Name</label>
+          </div>
+        </div>
+        <div class="col-6 col-lg-4 pb-3">
+          <div class="form-floating">
+            <input type="text" name="lastName" id="lastName" class="form-control" required
+                   placeholder="Last" value="{{ model.last_name }}">
+            <label for="lastName">Last Name</label>
+          </div>
+        </div>
+        <div class="col-6 col-lg-4 pb-3">
+          <div class="form-floating">
+            <input type="text" name="preferredName" id="preferredName" class="form-control" required
+                   placeholder="Preferred" value="{{ model.preferred_name }}">
+            <label for="preferredName">Preferred Name</label>
+          </div>
+        </div>
+      </div>
+      <div class="row mb-3">
+        <div class="col">
+          <fieldset class="container">
+            <legend>Change Password</legend>
+            <div class="row">
+              <div class="col">
+                <p class="form-text">Optional; leave blank to keep your current password</p>
+              </div>
+            </div>
+            <div class="row">
+              <div class="col">
+                <div class="form-floating">
+                  <input type="password" name="newPassword" id="newPassword" class="form-control"
+                         placeholder="Password">
+                  <label for="newPassword">New Password</label>
+                </div>
+              </div>
+              <div class="col">
+                <div class="form-floating">
+                  <input type="password" name="newPasswordConfirm" id="newPasswordConfirm" class="form-control"
+                         placeholder="Confirm">
+                  <label for="newPasswordConfirm">Confirm New Password</label>
+                </div>
+              </div>
+            </div>
+          </fieldset>
+        </div>
+      </div>
+      <div class="row">
+        <div class="col mb-3">
+          <button type="submit" class="btn btn-primary">Save Changes</button>
+        </div>
+      </div>
+    </div>
+  </form>
+</article>

src/MyWebLog/themes/daniel-j-summers/index.liquid

@@ -1,4 +1,10 @@
 <div class="content">
+  {% if is_category or is_tag %}
+    <h2>{{ page_title }}</h2>
+    {%- if subtitle %}
+      <p>{{ subtitle }}</p>
+    {%- endif %}
+  {% endif %}
   {%- for post in model.posts %}
     <article class="item">
       <h1 class="item-heading">
@@ -8,7 +14,11 @@
       </h1>
       <h4 class="text-center">
         <i class="fa fa-calendar" title="Date"></i> {{ post.published_on | date: "MMMM d, yyyy" }} &nbsp;
-        <i class="fa fa-clock-o" title="Time"></i> {{ post.published_on | date: "h:mm tt" | downcase }}
+        <i class="fa fa-clock-o" title="Time"></i> {{ post.published_on | date: "h:mm tt" | downcase }} &nbsp;
+        <i class="fa fa-user" title="Author"></i> {{ model.authors | value: post.author_id }}
+        {% if logged_on %}
+          &nbsp; <a href="/post/{{ post.id }}/edit"><i class="fa fa-pencil-square-o"></i> Edit Post</a>
+        {% endif %}
       </h4>
       {{ post.text }}
     </article>
@@ -56,7 +66,7 @@
       {% for cat in categories -%}
         {%- assign indent = cat.parent_names | size -%}
         <li class="cat-list-item"{% if indent > 0 %} style="padding-left:{{ indent }}rem;"{% endif %}>
-          <a href="/category/{{ cat.slug }}" class="cat-list-link">{{ cat.name }}</a>
+          <a href="/category/{{ cat.slug }}/" class="cat-list-link">{{ cat.name }}</a>
           <span class="cat-list-count">{{ cat.post_count }}</span>
         </li>
       {%- endfor %}

src/MyWebLog/themes/daniel-j-summers/single-post.liquid

@@ -5,9 +5,13 @@
     <h4 class="text-center">
       {% if post.published_on -%}
         <i class="fa fa-calendar" title="Date"></i> {{ post.published_on | date: "MMMM d, yyyy" }} &nbsp;
-        <i class="fa fa-clock-o" title="Time"></i> {{ post.published_on | date: "h:mm tt" | downcase }}
+        <i class="fa fa-clock-o" title="Time"></i> {{ post.published_on | date: "h:mm tt" | downcase }} &nbsp;
       {%- else -%}
-        **DRAFT**
+        **DRAFT** &nbsp;
+      {% endif %}
+      <i class="fa fa-user" title="Author"></i> {{ model.authors | value: post.author_id }}
+      {% if logged_on %}
+        &nbsp; <a href="/post/{{ post.id }}/edit"><i class="fa fa-pencil-square-o"></i> Edit Post</a>
       {% endif %}
     </h4>
     <div>{{ post.text }}</div>
@@ -19,7 +23,7 @@
           {% assign cat = categories | where: "id", cat_id | first %}
           <span class="no-wrap">
             <i class="fa fa-folder-open-o" title="Category"></i>
-            <a href="/category/{{ cat.slug }}" title="Categorized under &ldquo;{{ cat.name | escape }}&rdquo;">
+            <a href="/category/{{ cat.slug }}/" title="Categorized under &ldquo;{{ cat.name | escape }}&rdquo;">
              {{ cat.name }}
             </a> &nbsp; &nbsp;
           </span>
@@ -32,7 +36,7 @@
         Tagged &nbsp;
         {% for tag in post.tags %}
           <span class="no-wrap">
-            <a href="/tag/{{ tag | replace: " ", "-" }}" title="Posts tagged &ldquo;{{ tag | escape }}&rdquo;">
+            <a href="/tag/{{ tag | replace: " ", "+" }}/" title="Posts tagged &ldquo;{{ tag | escape }}&rdquo;">
               <i class="fa fa-tag"></i> {{ tag }}
             </a> &nbsp; &nbsp;
           </span>
@@ -46,7 +50,7 @@
         {% if model.newer_link -%}
           <li class="previous item">
             <h4 class="item-heading"><a href="/{{ model.newer_link.value }}">&laquo;</a> Previous Post</h4>
-            <a href="/{{ model.newer_link.value }}">&ldquo;{{ model.newer_link.value }}&rdquo;</a>
+            <a href="/{{ model.newer_link.value }}">{{ model.newer_name.value }}</a>
           </li>
         {%- else -%}
           <li></li>
@@ -54,7 +58,7 @@
         {% if model.older_link -%}
           <li class="next item">
             <h4 class="item-heading">Next Post <a href="/{{ model.older_link.value }}">&raquo;</a></h4>
-            <a href="/{{ model.older_link.value }}">&ldquo;{{ model.older_link.value }}&rdquo;</a>
+            <a href="/{{ model.older_link.value }}">{{ model.older_name.value }}</a>
           </li>
         {%- endif -%}
       </ul>