Convert tasks list and task view to Remote Function queries.

src/lib/remotes/TasksRemote.remote.ts

@@ -0,0 +1,57 @@
+import { query } from "$app/server";
+import TasksService from "$lib/server/services/TasksService";
+import { error } from "@sveltejs/kit";
+import * as z from "zod";
+
+const service = new TasksService("internal");
+
+export const getAllTasks = query(async () => {
+  const tasksResponse = await service.getAll();
+
+  if (tasksResponse.status === "failure") {
+    const errorMessage = tasksResponse.error instanceof Error
+      ? tasksResponse.error.message
+      : tasksResponse.error ?? "Internal error.";
+    throw new Error(errorMessage);
+  }
+  if (!tasksResponse.data) {
+    throw new Error("Internal error");
+  }
+
+  return tasksResponse.data;
+});
+
+export const getOneTask = query(z.union([z.string(), z.number()]), async (lookup_field: string | number) => {
+  const tasksResponse = typeof lookup_field === "string"
+    ? await service.getByTaskId([lookup_field])
+    : await service.getByDbId([lookup_field]);
+
+  if (tasksResponse.status === "failure") {
+    const errorMessage = tasksResponse.error instanceof Error
+      ? tasksResponse.error.message
+      : tasksResponse.error ?? "Internal error";
+    throw new Error(errorMessage);
+  }
+
+  if (!tasksResponse.data) {
+    error(500, "Internal error. (check the logs)");
+  }
+  const task = tasksResponse.data[0];
+
+  const parentResponse = task.parent ? await service.getByDbId([task.parent]) : null;
+  const parent = (!parentResponse || parentResponse.status === "failure" || !parentResponse.data
+      || parentResponse.data[0].type.prefix)
+    ? null
+    : parentResponse.data[0];
+
+  const childrenResponse = await service.getByParent(task.id);
+  const children = (!childrenResponse || childrenResponse.status === "failure" || !childrenResponse.data)
+    ? []
+    : childrenResponse.data;
+
+  return {
+    task,
+    parent,
+    children,
+  };
+});

src/lib/ui/Tasks/TaskView.svelte

@@ -1,31 +1,17 @@
 <script lang="ts">
+import { page } from "$app/state";
+import { getOneTask } from "$lib/remotes/TasksRemote.remote";
 import type { Task } from "$lib/server/services/TasksService";
+import { error } from "@sveltejs/kit";
 
-type DisplayableTask = Task & {
+if (!page.params.task_id) error(400, "Missing the 'task_id' url param.");
-  taskId: NonNullable<Task["taskId"]>;
+const taskRemote = getOneTask(page.params.task_id);
-  type: Task["type"] & {
-    prefix: NonNullable<Task["type"]["prefix"]>;
-  };
-};
-
-let { task, parent, children }: {
-  task: DisplayableTask;
-  parent: {
-    prefix: Task["type"]["prefix"];
-    taskId: Task["taskId"];
-    description: Task["description"];
-  };
-  children: Array<{
-    prefix: Task["type"]["prefix"];
-    taskId: Task["taskId"];
-    description: Task["description"];
-    status: Task["status"];
-  }>;
-} = $props();
 </script>
 
-{@render description(task.type.prefix, task.taskId, task.description)}
+<svelte:boundary>
-{@render details(
+  {@const { task, parent, children } = await taskRemote}
+  {@render description(task.type.prefix, task.taskId, task.description)}
+  {@render details(
       task.status,
       task.priority,
       task.openDate,
@@ -33,9 +19,10 @@ let { task, parent, children }: {
       parent,
       children,
     )}
-{@render checklist(task.checklist)}
+  {@render checklist(task.checklist)}
-{@render body(task.body, task.bodyHistory)}
+  {@render body(task.body, task.bodyHistory)}
-{@render integrations(task.integrations)}
+  {@render integrations(task.integrations)}
+</svelte:boundary>
 
 <style>
 .container {
@@ -73,19 +60,8 @@ let { task, parent, children }: {
   priority: Task["priority"],
   opened: Task["openDate"],
   closed: Task["closeDate"],
-  parent: {
+  parent: Task | null,
-    prefix: Task["type"]["prefix"];
+  children: Array<Task>,
-    taskId: Task["taskId"];
-    description: Task["description"];
-  },
-  children: Array<
-    {
-      prefix: Task["type"]["prefix"];
-      taskId: Task["taskId"];
-      description: Task["description"];
-      status: Task["status"];
-    }
-  >,
 )}
   <div class="details">
     <div class="labeled-field">
@@ -108,8 +84,8 @@ let { task, parent, children }: {
     <div>
       <span class="label">Parent:</span>
       <span>{
-        !Object.values(parent).some(value => value === null)
+        (parent && !Object.values(parent).some(value => value === null))
-        ? `${parent.prefix}${parent.taskId} | ${parent.description}`
+        ? `${parent.type.prefix}${parent.taskId} | ${parent.description}`
         : "--"
       }</span>
     </div>
@@ -118,11 +94,13 @@ let { task, parent, children }: {
       <table>
         <tbody>
           {#each children as child (child.taskId)}
+            {#if child.type.prefix}
               <tr>
-              <td>{child.prefix + child.taskId}</td>
+                <td>{child.type.prefix + child.taskId}</td>
                 <td>{child.description}</td>
                 <td>{child.status}</td>
               </tr>
+            {/if}
           {/each}
         </tbody>
       </table>
@@ -139,16 +117,6 @@ let { task, parent, children }: {
       <p>{history}</p>
     {/if}
   </div>
-  <div>
-    <h2>Updates</h2>
-    <p>
-      {
-        task.updateChain
-        ? JSON.stringify(task.updateChain)
-        : "--"
-      }
-    </p>
-  </div>
 {/snippet}
 
 {#snippet checklist(checklist: Task["checklist"])}

src/routes/tasks/+page.server.ts

@@ -1,10 +0,0 @@
-import TasksService from "$lib/server/services/TasksService";
-import type { PageServerLoad } from "./$types";
-
-export const load: PageServerLoad = async () => {
-  const tasks = new TasksService("internal");
-  return {
-    tasks: await tasks.getAll(),
-    test: "string",
-  };
-};

src/routes/tasks/+page.svelte

@@ -1,11 +1,25 @@
 <script lang="ts">
-import type { PageProps } from "./$types";
+import { resolve } from "$app/paths";
+import { getAllTasks } from "$lib/remotes/TasksRemote.remote";
+import { type Task } from "$lib/server/services/TasksService";
 
-let { data }: PageProps = $props();
+const tasksData = getAllTasks();
 </script>
 
-{#if data.tasks.status === "ok" && data.tasks.data !== undefined}
+<svelte:boundary>
-  <p>{data.tasks.data.length} total records.</p>
+  {@render view(await tasksData)}
+
+  {#snippet pending()}
+    <p>Loading...</p>
+  {/snippet}
+
+  {#snippet failed(error)}
+    <p>{error}</p>
+  {/snippet}
+</svelte:boundary>
+
+{#snippet view(tasks: Array<Task>)}
+  <p>{tasks.length} total records.</p>
   <table>
     <thead>
       <tr>
@@ -15,10 +29,14 @@ let { data }: PageProps = $props();
       </tr>
     </thead>
     <tbody>
-      {#each data.tasks.data as task (task.id)}
+      {#each tasks as task (task.id)}
         <tr>
           <td>
-            <a href={`/tasks/${task.type.prefix}${task.taskId}`}>
+            <a
+              href={resolve("/tasks/[task_id]", {
+                task_id: `${task.type.prefix}${task.taskId}`,
+              })}
+            >
               {
                 task.type?.prefix
                 + task.taskId
@@ -31,6 +49,4 @@ let { data }: PageProps = $props();
       {/each}
     </tbody>
   </table>
-{:else}
+{/snippet}
-  <p>There was an error accessing the database.</p>
-{/if}

src/routes/tasks/[task_id]/+page.server.ts

@@ -27,6 +27,7 @@ export const load: PageServerLoad = async ({ params }) => {
   ]);
 
   return {
+    params,
     task,
     parent,
     children,

src/routes/tasks/[task_id]/+page.svelte

@@ -45,16 +45,16 @@ const children = childrenTask.map(x => ({
 {#if isEditing}
   <TaskEdit {task} {form} />
 {:else}
-  <TaskView {task} {parent} {children} />
+  <TaskView />
 {/if}
 
 <style>
-  .view-controls {
+.view-controls {
   margin-bottom: 2rem;
   display: flex;
   justify-content: flex-end;
-  }
+}
-  .button {
+.button {
   /* Basic button styling for links */
   display: inline-block;
   padding: 0.5rem 1rem;
@@ -63,8 +63,8 @@ const children = childrenTask.map(x => ({
   text-decoration: none;
   color: #333;
   background-color: #f0f0f0;
-  }
+}
-  .button:hover {
+.button:hover {
   background-color: #e0e0e0;
-  }
+}
 </style>