Implement default SQLite connection

- Add logging to SQLite table creation
- Create common admin layout template

src/MyWebLog.Data/RethinkDbData.fs

@@ -866,13 +866,13 @@ type RethinkDbData (conn : Net.IConnection, config : DataConfig, log : ILogger<R
         member _.startUp () = backgroundTask {
             let! dbs = rethink<string list> { dbList; result; withRetryOnce conn }
             if not (dbs |> List.contains config.Database) then
-                log.LogInformation($"Creating database {config.Database}...")
+                log.LogInformation $"Creating database {config.Database}..."
                 do! rethink { dbCreate config.Database; write; withRetryOnce; ignoreResult conn }
             
             let! tables = rethink<string list> { tableList; result; withRetryOnce conn }
             for tbl in Table.all do
                 if not (tables |> List.contains tbl) then
-                    log.LogInformation($"Creating table {tbl}...")
+                    log.LogInformation $"Creating table {tbl}..."
                     do! rethink { tableCreate tbl; write; withRetryOnce; ignoreResult conn }
 
             do! ensureIndexes Table.Category   [ "webLogId" ]

src/MyWebLog.Data/SQLiteData.fs

@@ -4,6 +4,7 @@ open System
 open System.IO
 open System.Threading.Tasks
 open Microsoft.Data.Sqlite
+open Microsoft.Extensions.Logging
 open MyWebLog
 open MyWebLog.ViewModels
 
@@ -235,7 +236,7 @@ module private SqliteHelpers =
 
 
 /// SQLite myWebLog data implementation        
-type SQLiteData (conn : SqliteConnection) =
+type SQLiteData (conn : SqliteConnection, log : ILogger<SQLiteData>) =
     
     /// Add parameters for category INSERT or UPDATE statements
     let addCategoryParameters (cmd : SqliteCommand) (cat : Category) =
@@ -1800,6 +1801,7 @@ type SQLiteData (conn : SqliteConnection) =
 
             let! exists = tableExists "theme"
             if not exists then
+                log.LogInformation "Creating theme tables..."
                 use cmd = conn.CreateCommand ()
                 cmd.CommandText <-
                     """CREATE TABLE theme (
@@ -1825,6 +1827,7 @@ type SQLiteData (conn : SqliteConnection) =
             
             let! exists = tableExists "web_log"
             if not exists then
+                log.LogInformation "Creating web log tables..."
                 use cmd = conn.CreateCommand ()
                 cmd.CommandText <-
                     """CREATE TABLE web_log (
@@ -1870,6 +1873,7 @@ type SQLiteData (conn : SqliteConnection) =
             
             let! exists = tableExists "category"
             if not exists then
+                log.LogInformation "Creating category table..."
                 use cmd = conn.CreateCommand ()
                 cmd.CommandText <-
                     """CREATE TABLE category (
@@ -1883,6 +1887,7 @@ type SQLiteData (conn : SqliteConnection) =
             
             let! exists = tableExists "web_log_user"
             if not exists then
+                log.LogInformation "Creating user table..."
                 use cmd = conn.CreateCommand ()
                 cmd.CommandText <-
                     """CREATE TABLE web_log_user (
@@ -1900,6 +1905,7 @@ type SQLiteData (conn : SqliteConnection) =
             
             let! exists = tableExists "page"
             if not exists then
+                log.LogInformation "Creating page tables..."
                 use cmd = conn.CreateCommand ()
                 cmd.CommandText <-
                     """CREATE TABLE page (
@@ -1937,6 +1943,7 @@ type SQLiteData (conn : SqliteConnection) =
             
             let! exists = tableExists "post"
             if not exists then
+                log.LogInformation "Creating post tables..."
                 use cmd = conn.CreateCommand ()
                 cmd.CommandText <-
                     """CREATE TABLE post (
@@ -1998,6 +2005,7 @@ type SQLiteData (conn : SqliteConnection) =
             
             let! exists = tableExists "tag_map"
             if not exists then
+                log.LogInformation "Creating tag map tables..."
                 use cmd = conn.CreateCommand ()
                 cmd.CommandText <-
                     """CREATE TABLE tag_map (

src/MyWebLog/Program.fs

@@ -38,19 +38,23 @@ module DataImplementation =
     open RethinkDb.Driver.Net
 
     /// Get the configured data implementation
-    let get (sp : IServiceProvider) : IData option =
+    let get (sp : IServiceProvider) : IData =
         let config = sp.GetRequiredService<IConfiguration> ()
-        if (config.GetSection "RethinkDB").Exists () then
+        if (config.GetConnectionString >> isNull >> not) "SQLite" then
+            let conn = new SqliteConnection (config.GetConnectionString "SQLite")
+            SQLiteData.setUpConnection conn |> Async.AwaitTask |> Async.RunSynchronously
+            upcast SQLiteData (conn, sp.GetRequiredService<ILogger<SQLiteData>> ())
+        elif (config.GetSection "RethinkDB").Exists () then
             Json.all () |> Seq.iter Converter.Serializer.Converters.Add 
             let rethinkCfg = DataConfig.FromConfiguration (config.GetSection "RethinkDB")
             let conn       = rethinkCfg.CreateConnectionAsync () |> Async.AwaitTask |> Async.RunSynchronously
-            Some (upcast RethinkDbData (conn, rethinkCfg, sp.GetRequiredService<ILogger<RethinkDbData>> ()))
-        elif (config.GetConnectionString >> isNull >> not) "SQLite" then
-            let conn = new SqliteConnection (config.GetConnectionString "SQLite")
-            SQLiteData.setUpConnection conn |> Async.AwaitTask |> Async.RunSynchronously
-            Some (upcast SQLiteData conn)
+            upcast RethinkDbData (conn, rethinkCfg, sp.GetRequiredService<ILogger<RethinkDbData>> ())
         else
-            None
+            let log  = sp.GetRequiredService<ILogger<SQLiteData>> ()
+            log.LogInformation "Using default SQLite database myweblog.db"
+            let conn = new SqliteConnection ("Data Source=./myweblog.db;Cache=Shared")
+            SQLiteData.setUpConnection conn |> Async.AwaitTask |> Async.RunSynchronously
+            upcast SQLiteData (conn, log)
 
 
 open Giraffe
@@ -79,8 +83,8 @@ let rec main args =
     let _ = builder.Services.AddAntiforgery ()
     
     let sp   = builder.Services.BuildServiceProvider ()
-    match DataImplementation.get sp with
-    | Some data ->
+    let data = DataImplementation.get sp
+    
     task {
         do! data.startUp ()
         do! WebLogCache.fill data
@@ -96,21 +100,19 @@ let rec main args =
             opts.TableName  <- "Session"
             opts.Connection <- rethink.Conn)
         |> ignore
-        | :? SQLiteData ->
+    | :? SQLiteData as sql ->
         // ADO.NET connections are designed to work as per-request instantiation
         let cfg  = sp.GetRequiredService<IConfiguration> ()
         builder.Services.AddScoped<SqliteConnection> (fun sp ->
-                let conn = new SqliteConnection (cfg.GetConnectionString "SQLite")
+            let conn = new SqliteConnection (sql.Conn.ConnectionString)
             SQLiteData.setUpConnection conn |> Async.AwaitTask |> Async.RunSynchronously
             conn)
         |> ignore
         builder.Services.AddScoped<IData, SQLiteData> () |> ignore
         // Use SQLite for caching as well
-            let cachePath = defaultArg (Option.ofObj (cfg.GetConnectionString "SQLiteCachePath")) "./session.db"
+        let cachePath = Option.ofObj (cfg.GetConnectionString "SQLiteCachePath") |> Option.defaultValue "./session.db"
         builder.Services.AddSqliteCache (fun o -> o.CachePath <- cachePath) |> ignore
     | _ -> ()
-    | None ->
-        invalidOp "There is no data configuration present; please add a RethinkDB section or LiteDB connection string"
     
     let _ = builder.Services.AddSession(fun opts ->
         opts.IdleTimeout        <- TimeSpan.FromMinutes 60

src/admin-theme/_layout.liquid

@@ -0,0 +1,54 @@
+<header>
+  <nav class="navbar navbar-dark bg-dark navbar-expand-md justify-content-start px-2 position-fixed top-0 w-100">
+    <div class="container-fluid">
+      <a class="navbar-brand" href="{{ "" | relative_link }}" hx-boost="false">{{ web_log.name }}</a>
+      <button class="navbar-toggler" type="button" data-bs-toggle="collapse" data-bs-target="#navbarText"
+              aria-controls="navbarText" aria-expanded="false" aria-label="Toggle navigation">
+        <span class="navbar-toggler-icon"></span>
+      </button>
+      <div class="collapse navbar-collapse" id="navbarText">
+        {% if logged_on -%}
+          <ul class="navbar-nav">
+            {{ "admin/dashboard" | nav_link: "Dashboard" }}
+            {{ "admin/pages" | nav_link: "Pages" }}
+            {{ "admin/posts" | nav_link: "Posts" }}
+            {{ "admin/categories" | nav_link: "Categories" }}
+            {{ "admin/settings" | nav_link: "Settings" }}
+          </ul>
+        {%- endif %}
+        <ul class="navbar-nav flex-grow-1 justify-content-end">
+          {% if logged_on -%}
+            {{ "admin/user/edit" | nav_link: "Edit User" }}
+            {{ "user/log-off" | nav_link: "Log Off" }}
+          {%- else -%}
+            {{ "user/log-on" | nav_link: "Log On" }}
+          {%- endif %}
+        </ul>
+      </div>
+    </div>
+  </nav>
+</header>
+<main class="mx-3 mt-3">
+  <div class="messages mt-2" id="msgContainer">
+    {% for msg in messages %}
+      <div role="alert" class="alert alert-{{ msg.level }} alert-dismissible fade show">
+        {{ msg.message }}
+        <button type="button" class="btn-close" data-bs-dismiss="alert" aria-label="Close"></button>
+        {% if msg.detail %}
+          <hr>
+          {{ msg.detail.value }}
+        {% endif %}
+      </div>
+    {% endfor %}
+  </div>
+  {{ content }}
+</main>
+<footer class="position-fixed bottom-0 w-100">
+  <div class="container-fluid">
+    <div class="row">
+      <div class="col-xs-12 text-end">
+        <img src="{{ "themes/admin/logo-light.png" | relative_link }}" alt="myWebLog" width="120" height="34">
+      </div>
+    </div>
+  </div>
+</footer>

src/admin-theme/layout-partial.liquid

@@ -1,63 +1,10 @@
 <!DOCTYPE html>
 <html lang="en">
   <head>
-    <title>{{ page_title | escape }} &laquo; Admin &laquo; {{ web_log.name | escape }}</title>
+    <title>{{ page_title | strip_html }} &laquo; Admin &laquo; {{ web_log.name | strip_html }}</title>
   </head>
   <body>
-    <header>
-      <nav class="navbar navbar-dark bg-dark navbar-expand-md justify-content-start px-2 position-fixed top-0 w-100">
-        <div class="container-fluid">
-          <a class="navbar-brand" href="{{ "" | relative_link }}" hx-boost="false">{{ web_log.name }}</a>
-          <button class="navbar-toggler" type="button" data-bs-toggle="collapse" data-bs-target="#navbarText"
-                  aria-controls="navbarText" aria-expanded="false" aria-label="Toggle navigation">
-            <span class="navbar-toggler-icon"></span>
-          </button>
-          <div class="collapse navbar-collapse" id="navbarText">
-            {% if logged_on -%}
-              <ul class="navbar-nav">
-                {{ "admin/dashboard" | nav_link: "Dashboard" }}
-                {{ "admin/pages" | nav_link: "Pages" }}
-                {{ "admin/posts" | nav_link: "Posts" }}
-                {{ "admin/categories" | nav_link: "Categories" }}
-                {{ "admin/settings" | nav_link: "Settings" }}
-              </ul>
-            {%- endif %}
-            <ul class="navbar-nav flex-grow-1 justify-content-end">
-              {% if logged_on -%}
-                {{ "admin/user/edit" | nav_link: "Edit User" }}
-                {{ "user/log-off" | nav_link: "Log Off" }}
-              {%- else -%}
-                {{ "user/log-on" | nav_link: "Log On" }}
-              {%- endif %}
-            </ul>
-          </div>
-        </div>
-      </nav>
-    </header>
-    <main class="mx-3 mt-3">
-      <div class="messages mt-2" id="msgContainer">
-        {% for msg in messages %}
-          <div role="alert" class="alert alert-{{ msg.level }} alert-dismissible fade show">
-            {{ msg.message }}
-            <button type="button" class="btn-close" data-bs-dismiss="alert" aria-label="Close"></button>
-            {% if msg.detail %}
-              <hr>
-              {{ msg.detail.value }}
-            {% endif %}
-          </div>
-        {% endfor %}
-      </div>
-      {{ content }}
-    </main>
-    <footer class="position-fixed bottom-0 w-100">
-      <div class="container-fluid">
-        <div class="row">
-          <div class="col-xs-12 text-end">
-            <img src="{{ "themes/admin/logo-light.png" | relative_link }}" alt="myWebLog" width="120" height="34">
-          </div>
-        </div>
-      </div>
-    </footer>
+    {% include_template "_layout" %}
     <script>Admin.dismissSuccesses()</script>
   </body>
 </html>

src/admin-theme/layout.liquid

@@ -3,66 +3,13 @@
   <head>
     <meta name="viewport" content="width=device-width, initial-scale=1">
     <meta name="generator" content="{{ generator }}">
-    <title>{{ page_title | escape }} &laquo; Admin &laquo; {{ web_log.name | escape }}</title>
+    <title>{{ page_title | strip_html }} &laquo; Admin &laquo; {{ web_log.name | strip_html }}</title>
     <link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/bootstrap@5.0.2/dist/css/bootstrap.min.css"
           integrity="sha384-EVSTQN3/azprG1Anm3QDgpJLIm9Nao0Yz1ztcQTwFspd3yD65VohhpuuCOmLASjC" crossorigin="anonymous">
     <link rel="stylesheet" href="{{ "themes/admin/admin.css" | relative_link }}">
   </head>
   <body hx-boost="true">
-    <header>
-      <nav class="navbar navbar-dark bg-dark navbar-expand-md justify-content-start px-2 position-fixed top-0 w-100">
-        <div class="container-fluid">
-          <a class="navbar-brand" href="{{ "" | relative_link }}" hx-boost="false">{{ web_log.name }}</a>
-          <button class="navbar-toggler" type="button" data-bs-toggle="collapse" data-bs-target="#navbarText"
-                  aria-controls="navbarText" aria-expanded="false" aria-label="Toggle navigation">
-            <span class="navbar-toggler-icon"></span>
-          </button>
-          <div class="collapse navbar-collapse" id="navbarText">
-            {% if logged_on -%}
-              <ul class="navbar-nav">
-                {{ "admin/dashboard" | nav_link: "Dashboard" }}
-                {{ "admin/pages" | nav_link: "Pages" }}
-                {{ "admin/posts" | nav_link: "Posts" }}
-                {{ "admin/categories" | nav_link: "Categories" }}
-                {{ "admin/settings" | nav_link: "Settings" }}
-              </ul>
-            {%- endif %}
-            <ul class="navbar-nav flex-grow-1 justify-content-end">
-              {% if logged_on -%}
-                {{ "admin/user/edit" | nav_link: "Edit User" }}
-                {{ "user/log-off" | nav_link: "Log Off" }}
-              {%- else -%}
-                {{ "user/log-on" | nav_link: "Log On" }}
-              {%- endif %}
-            </ul>
-          </div>
-        </div>
-      </nav>
-    </header>
-    <main class="mx-3 mt-3">
-      <div class="messages mt-2" id="msgContainer">
-        {% for msg in messages %}
-          <div role="alert" class="alert alert-{{ msg.level }} alert-dismissible fade show">
-            {{ msg.message }}
-            <button type="button" class="btn-close" data-bs-dismiss="alert" aria-label="Close"></button>
-            {% if msg.detail %}
-              <hr>
-              {{ msg.detail.value }}
-            {% endif %}
-          </div>
-        {% endfor %}
-      </div>
-      {{ content }}
-    </main>
-    <footer class="position-fixed bottom-0 w-100">
-      <div class="container-fluid">
-        <div class="row">
-          <div class="col-xs-12 text-end">
-            <img src="{{ "themes/admin/logo-light.png" | relative_link }}" alt="myWebLog" width="120" height="34">
-          </div>
-        </div>
-      </div>
-    </footer>
+    {% include_template "_layout" %}
     <script src="https://cdn.jsdelivr.net/npm/bootstrap@5.0.2/dist/js/bootstrap.bundle.min.js"
             integrity="sha384-MrcW6ZMFYlzcLA8Nl+NtUVF0sA7MsXsP1UyJoMp4YLEuNSfAP+JcXn/tWtIaxVXM"
             crossorigin="anonymous"></script>

src/default-theme/index.liquid

@@ -1,7 +1,11 @@
-{% if model.subtitle %}
-  <h2>{{ model.subtitle.value }}</h2>
-{% endif %}
-<section class="container" aria-label="The posts for the page">
+{%- if is_category or is_tag %}
+  <h1 class="index-title">{{ page_title }}</h1>
+  {%- if is_category %}
+    {%- assign cat = categories | where: "slug", slug | first -%}
+    {%- if cat.description %}<h4 class="text-muted">{{ cat.description.value }}</h4>{% endif -%}
+  {%- endif %}
+{%- endif %}
+<section class="container mt-3" aria-label="The posts for the page">
   {% for post in model.posts %}
     <article>
       <h1>

src/default-theme/layout.liquid

@@ -5,7 +5,7 @@
     <meta name="viewport" content="width=device-width">
     <link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/bootstrap@5.0.2/dist/css/bootstrap.min.css"
           integrity="sha384-EVSTQN3/azprG1Anm3QDgpJLIm9Nao0Yz1ztcQTwFspd3yD65VohhpuuCOmLASjC" crossorigin="anonymous">
-    <title>{{ page_title | escape }}{% if page_title %} &laquo; {% endif %}{{ web_log.name | escape }}</title>
+    <title>{{ page_title | strip_html }}{% if page_title %} &laquo; {% endif %}{{ web_log.name | strip_html }}</title>
     {% page_head -%}
   </head>
   <body>
@@ -19,7 +19,7 @@
           </button>
           <div class="collapse navbar-collapse" id="navbarText">
             {% if web_log.subtitle -%}
-              <span class="navbar-text">{{ web_log.subtitle.value | escape }}</span>
+              <span class="navbar-text">{{ web_log.subtitle.value }}</span>
             {%- endif %}
             <ul class="navbar-nav">
               {% unless web_log.default_page == "posts" %}{{ "page/1" | nav_link: "Posts" }}{% endunless %}