Fix log on flow; add page title

src/MyPrayerJournal/Server/Handlers.fs

@@ -8,13 +8,20 @@ open Giraffe
 open Giraffe.Htmx
 open MyPrayerJournal.Data.Extensions
 
-/// Send a partial result if this is not a full page load
-let partialIfNotRefresh content : HttpHandler =
+let writeView view : HttpHandler =
   fun next ctx -> task {
-    match ctx.Request.IsHtmx && not ctx.Request.IsHtmxRefresh with
-    | true -> return! ctx.WriteHtmlViewAsync content
-    | false -> return! Views.Layout.view content |> ctx.WriteHtmlViewAsync
-  }
+    return! ctx.WriteHtmlViewAsync view
+    }
+
+/// Send a partial result if this is not a full page load
+let partialIfNotRefresh (pageTitle : string) content : HttpHandler =
+  fun next ctx ->
+    (next, ctx)
+    ||> match ctx.Request.IsHtmx && not ctx.Request.IsHtmxRefresh with
+        | true ->
+            ctx.Response.Headers.["X-Page-Title"] <- Microsoft.Extensions.Primitives.StringValues pageTitle
+            withHxTriggerAfterSettle "menu-refresh" >=> writeView content
+        | false -> writeView (Views.Layout.view pageTitle content)
 
 /// Handler to return Vue files
 module Vue =
@@ -22,7 +29,7 @@ module Vue =
   /// The application index page
   let app : HttpHandler = 
     withHxTrigger "menu-refresh"
-    >=> partialIfNotRefresh (ViewEngine.HtmlElements.str "It works")
+    >=> partialIfNotRefresh "" (ViewEngine.HtmlElements.str "It works")
 
 
 open System
@@ -180,7 +187,11 @@ module Home =
   
   // GET /
   let home : HttpHandler =
-    withMenuRefresh >=> partialIfNotRefresh Views.Home.home
+    withMenuRefresh >=> partialIfNotRefresh "Welcome!" Views.Home.home
+  
+  // GET /user/log-on
+  let logOn : HttpHandler =
+    partialIfNotRefresh "Logging on..." Views.Home.logOn
 
 
 /// /journal URL
@@ -192,7 +203,7 @@ module Journal =
     >=> withMenuRefresh
     >=> fun next ctx -> task {
       let usr = ctx.Request.Headers.["X-Given-Name"].[0]
-      return! partialIfNotRefresh (Views.Journal.journal usr) next ctx
+      return! partialIfNotRefresh "Your Prayer Journal" (Views.Journal.journal usr) next ctx
     }
 
 
@@ -201,11 +212,11 @@ module Legal =
   
   // GET /legal/privacy-policy
   let privacyPolicy : HttpHandler =
-    withMenuRefresh >=> partialIfNotRefresh Views.Legal.privacyPolicy
+    withMenuRefresh >=> partialIfNotRefresh "Privacy Policy" Views.Legal.privacyPolicy
   
   // GET /legal/terms-of-service
   let termsOfService : HttpHandler =
-    withMenuRefresh >=> partialIfNotRefresh Views.Legal.termsOfService
+    withMenuRefresh >=> partialIfNotRefresh "Terms of Service" Views.Legal.termsOfService
 
 
 /// /api/request and /request(s) URLs
@@ -292,7 +303,7 @@ module Request =
     >=> withMenuRefresh
     >=> fun next ctx -> task {
       let! reqs = Data.journalByUserId (userId ctx) (db ctx)
-      return! partialIfNotRefresh (Views.Request.active reqs) next ctx
+      return! partialIfNotRefresh "Active Requests" (Views.Request.active reqs) next ctx
       }
   
   /// GET /requests/answered
@@ -301,7 +312,7 @@ module Request =
     >=> withMenuRefresh
     >=> fun next ctx -> task {
       let! reqs = Data.answeredRequests (userId ctx) (db ctx)
-      return! partialIfNotRefresh (Views.Request.answered reqs) next ctx
+      return! partialIfNotRefresh "Answered Requests" (Views.Request.answered reqs) next ctx
       }
   
   /// GET /api/request/[req-id]
@@ -319,7 +330,7 @@ module Request =
     >=> withMenuRefresh
     >=> fun next ctx -> task {
       match! Data.tryFullRequestById (toReqId requestId) (userId ctx) (db ctx) with
-      | Some req -> return! partialIfNotRefresh (Views.Request.full req) next ctx
+      | Some req -> return! partialIfNotRefresh "Full Prayer Request" (Views.Request.full req) next ctx
       | None -> return! Error.notFound next ctx
       }
   
@@ -402,6 +413,7 @@ let routes =
       route "s/answered" Request.answered
       routef "/%s/full"  Request.getFull
       ]
+    route "/user/log-on" Home.logOn
     subRoute "/api/" [
       GET [
         subRoute "request" [

src/MyPrayerJournal/Server/Views.fs

@@ -32,7 +32,7 @@ module Helpers =
     span [ _title (date.ToString "f") ] [ Dates.formatDistance DateTime.Now date |> str ]
 
 
-/// View for home page
+/// Views for home and log on pages
 module Home =
   
   /// The home page
@@ -49,6 +49,13 @@ module Home =
       rawText "learn more about the site at the “Docs” link, also above."
       ]
     ]
+  
+  /// The log on page
+  let logOn = article [ _class "container mt-3" ] [
+    p [] [
+      em [] [ str "Verifying..." ]
+      ]
+    ]
 
 
 /// Views for legal pages
@@ -406,8 +413,9 @@ module Request =
 /// Layout views
 module Layout =
   
-  let htmlHead =
+  let htmlHead pageTitle =
     head [] [
+      title [] [ str pageTitle; rawText " « myPrayerJournal" ]
       link [
         _href        "https://cdn.jsdelivr.net/npm/bootstrap@5.0.2/dist/css/bootstrap.min.css"
         _rel         "stylesheet"
@@ -451,12 +459,12 @@ module Layout =
       ]
 
   /// Create the full view of the page
-  let view content =
+  let view pageTitle content =
     html [ _lang "en" ] [
-      htmlHead
+      htmlHead pageTitle
       body [ _hxHeaders "" ] [
         Navigation.navBar
-        main [] [ content ]
+        main [ _hxTrigger "setTitle from:body" ] [ content ]
         htmlFoot
       ]
     ]

src/MyPrayerJournal/Server/wwwroot/script/mpj.js

@@ -19,10 +19,12 @@ const mpj = {
   },
   /** Whether the user is currently authenticated */
   isAuthenticated: false,
+  /** Whether we should redirect to the journal the next time the menu items are refreshed */
+  redirToJournal: false,
   /** Process a log on request */
   logOn: async (e) => {
     e.preventDefault()
-    await mpj.auth.auth0.loginWithRedirect({ redirect_uri: window.location.origin })
+    await mpj.auth.auth0.loginWithRedirect({ redirect_uri: `${window.location.origin}/user/log-on` })
   },
   /** Log the user off */
   logOff: (e) => {
@@ -54,6 +56,27 @@ window.onload = async () => {
   if (query.includes("code=") && query.includes("state=")) {
     await mpj.auth.auth0.handleRedirectCallback()
     await establishAuth()
-    window.history.replaceState({}, document.title, "/")
+    if (window.location.pathname === "/user/log-on") {
+      mpj.redirToJournal = true
+    } else {
+      window.history.replaceState({}, document.title, "/")
+    }
   }
 }
+
+htmx.on("htmx:afterOnLoad", function (evt) {
+  // Set the page title if a header was in the response
+  if (evt.detail.xhr.getAllResponseHeaders().indexOf("x-page-title") >= 0) {
+    const title = document.querySelector("title")
+    title.innerText = evt.detail.xhr.getResponseHeader("x-page-title")
+    title.innerHTML += " « myPrayerJournal"
+  }
+})
+htmx.on("htmx:afterSettle", function (evt) {
+  // Redirect to the journal (once menu items load after log on)
+  if (mpj.redirToJournal 
+      && ([...evt.target.attributes].find(it => it.name === "hx-target")?.value ?? "") === ".navbar-nav") {
+    mpj.redirToJournal = false
+    document.querySelector(`a[href="/journal"]`).click()
+  }
+})