Default to SQLite rather than Postgres & Redis (#72)

* Initial rough draft switch to sqlite.

* Rewrote cache implemenation.

* Provide typed tasks.

* Task cleanup.

* Use same db for tasks.

* Provide task queue registration and service container injection.

* Added optional delay to tasks. Pool buffers when encoding.

* Added tests for the task client and runner.

* Added handler examples for caching and tasks.

* Cleanup and documentation.

* Use make in workflow.

* Updated documentation.

* Updated documentation.

templates/layouts/main.gohtml

@@ -28,6 +28,8 @@
                             <li>{{link (url "home") "Dashboard" .Path}}</li>
                             <li>{{link (url "about") "About" .Path}}</li>
                             <li>{{link (url "contact") "Contact" .Path}}</li>
+                            <li>{{link (url "cache") "Cache" .Path}}</li>
+                            <li>{{link (url "task") "Task" .Path}}</li>
                         </ul>
 
                         <p class="menu-label">Account</p>

templates/pages/about.gohtml

@@ -19,7 +19,7 @@
                 <p>Warning</p>
             </div>
             <div class="message-body">
-                This route has caching enabled so hot-reloading in the local environment will not work. Check the Redis cache for a key matching the URL path.
+                This route has caching enabled so hot-reloading in the local environment will not work.
             </div>
         </article>
     {{- end}}

templates/pages/cache.gohtml

@@ -0,0 +1,36 @@
+{{define "content"}}
+    <form id="task" method="post" hx-post="{{url "cache.submit"}}">
+        <article class="message">
+            <div class="message-header">
+                <p>Test the cache</p>
+            </div>
+            <div class="message-body">
+                This route handler shows how the default in-memory cache works. Try updating the value using the form below and see how it persists after you reload the page.
+                HTMX makes it easy to re-render the cached value after the form is submitted.
+            </div>
+        </article>
+
+        <label for="value" class="label">Value in cache: </label>
+        {{if .Data}}
+            <span class="tag is-success">{{.Data}}</span>
+        {{- else}}
+            <i>(empty)</i>
+        {{- end}}
+        <br/><br/>
+
+        <div class="field">
+            <label for="value" class="label">Value</label>
+            <div class="control">
+                <input id="value" name="value" class="input" value="{{.Form.Value}}"/>
+            </div>
+        </div>
+
+        <div class="field is-grouped">
+            <div class="control">
+                <button class="button is-link">Update cache</button>
+            </div>
+        </div>
+
+        {{template "csrf" .}}
+    </form>
+{{end}}

templates/pages/task.gohtml

@@ -0,0 +1,43 @@
+{{define "content"}}
+    {{- if not (eq .HTMX.Request.Target "task")}}
+        <article class="message is-link">
+            <div class="message-body">
+                <p>Submitting this form will create an <i>ExampleTask</i> in the task queue. After the specified delay, the message will be logged by the queue processor.</p>
+                <p>See pkg/tasks and the README for more information.</p>
+            </div>
+        </article>
+    {{- end}}
+
+    {{template "form" .}}
+{{end}}
+
+{{define "form"}}
+    <form id="task" method="post" hx-post="{{url "task.submit"}}">
+        {{template "messages" .}}
+        <div class="field">
+            <label for="delay" class="label">Delay (in seconds)</label>
+            <div class="control">
+                <input type="number" id="delay" name="delay" class="input {{.Form.GetFieldStatusClass "Delay"}}" value="{{.Form.Delay}}"/>
+            </div>
+            <p class="help">How long to wait until the task is executed</p>
+            {{template "field-errors" (.Form.GetFieldErrors "Delay")}}
+        </div>
+
+        <div class="field">
+            <label for="message" class="label">Message</label>
+            <div class="control">
+                <textarea id="message" name="message" class="textarea {{.Form.GetFieldStatusClass "Message"}}">{{.Form.Message}}</textarea>
+            </div>
+            <p class="help">The message the task will output to the log</p>
+            {{template "field-errors" (.Form.GetFieldErrors "Message")}}
+        </div>
+
+        <div class="field is-grouped">
+            <div class="control">
+                <button class="button is-link">Add task to queue</button>
+            </div>
+        </div>
+
+        {{template "csrf" .}}
+    </form>
+{{end}}

templates/templates.go

@@ -22,6 +22,7 @@ const (
 
 const (
 	PageAbout          Page = "about"
+	PageCache          Page = "cache"
 	PageContact        Page = "contact"
 	PageError          Page = "error"
 	PageForgotPassword Page = "forgot-password"
@@ -30,6 +31,7 @@ const (
 	PageRegister       Page = "register"
 	PageResetPassword  Page = "reset-password"
 	PageSearch         Page = "search"
+	PageTask           Page = "task"
 )
 
 //go:embed *
@@ -41,7 +43,7 @@ func Get() embed.FS {
 }
 
 // GetOS returns a file system containing all templates which will load the files directly from the operating system.
-// This should only be used for local development in order to faciliate live reloading.
+// This should only be used for local development in order to facilitate live reloading.
 func GetOS() fs.FS {
 	// Gets the complete templates directory path
 	// This is needed in case this is called from a package outside of main, such as within tests