refactor: delete template logic

web/src/templates/api.ts

@@ -1,5 +1,6 @@
 import { type ApiError, fetchApi } from "@/api";
 import { promiseOrThrow } from "@/lib/errors";
+import type { QueryStatus } from "@/lib/query";
 import { useCallback, useState } from "react";
 import useSWR, { useSWRConfig } from "swr";
 import type {
@@ -8,7 +9,7 @@ import type {
 	TemplateImage,
 	TemplateMeta,
 } from "./types";
-import { QueryStatus } from "@/lib/query";
+import { setDefaultAutoSelectFamilyAttemptTimeout } from "net";
 
 function useTemplates() {
 	return useSWR(
@@ -27,22 +28,32 @@ function useTemplate(name: string) {
 }
 
 function useDeleteTemplate() {
+	const [status, setStatus] = useState<QueryStatus<ApiError>>({ type: "idle" });
 	const { mutate } = useSWRConfig();
+
 	const deleteTemplate = useCallback(
 		async (templateName: string) => {
-			mutate(
-				"/templates",
-				fetchApi(`/templates/${templateName}`, { method: "DELETE" }),
-				{
-					populateCache: (_, templates) =>
-						templates?.filter((it: TemplateMeta) => it.name !== templateName),
-					revalidate: false,
-				},
-			);
+			setStatus({ type: "loading" });
+			try {
+				await mutate(
+					"/templates",
+					fetchApi(`/templates/${templateName}`, { method: "DELETE" }),
+					{
+						populateCache: (_, templates) =>
+							templates?.filter((it: TemplateMeta) => it.name !== templateName),
+						revalidate: false,
+						throwOnError: true,
+					},
+				);
+				setStatus({ type: "ok" });
+			} catch (error: unknown) {
+				setStatus({ type: "error", error: error as ApiError });
+			}
 		},
 		[mutate],
 	);
-	return deleteTemplate;
+
+	return { deleteTemplate, status };
 }
 
 function useCreateTemplate() {

web/src/templates/dashboard.tsx

@@ -4,24 +4,10 @@ import { Dialog, DialogTrigger } from "@/components/ui/dialog";
 import { PageHeader } from "@/components/ui/page-header.tsx";
 import { Page } from "@/components/ui/page.tsx";
 import { SidebarProvider } from "@/components/ui/sidebar.tsx";
-import { Skeleton } from "@/components/ui/skeleton";
-import {
-	Table,
-	TableBody,
-	TableCell,
-	TableHead,
-	TableHeader,
-	TableRow,
-} from "@/components/ui/table";
 import { Toaster } from "@/components/ui/toaster";
-import { useToast } from "@/hooks/use-toast";
-import { ToastAction } from "@radix-ui/react-toast";
-import { Link } from "@tanstack/react-router";
-import dayjs from "dayjs";
-import { Pencil, Plus, Trash2 } from "lucide-react";
-import React from "react";
-import { useDeleteTemplate, useTemplates } from "./api";
+import { Plus } from "lucide-react";
 import { NewTemplateDialog } from "./new-template-dialog";
+import { TemplateTable } from "./template-table";
 
 function TemplatesDashboard() {
 	return (
@@ -56,100 +42,4 @@ function Main() {
 	);
 }
 
-const TemplateTable = React.memo(_TemplateTable, () => true);
-function _TemplateTable() {
-	const { data: templates, isLoading } = useTemplates();
-	const deleteTemplate = useDeleteTemplate();
-	const { toast } = useToast();
-
-	function placeholder() {
-		if (isLoading) {
-			return (
-				<div className="w-full py-2 space-y-2">
-					<Skeleton className="w-full h-10" />
-					<Skeleton className="w-full h-10" />
-					<Skeleton className="w-full h-10" />
-					<Skeleton className="w-full h-10" />
-					<Skeleton className="w-full h-10" />
-				</div>
-			);
-		}
-		if (templates?.length === 0) {
-			return <p className="text-center py-2 opacity-80">No templates found.</p>;
-		}
-		return null;
-	}
-
-	async function _deleteTemplate(templateName: string) {
-		try {
-			await deleteTemplate(templateName);
-			toast({
-				title: "Template deleted!",
-			});
-		} catch (error) {
-			toast({
-				variant: "destructive",
-				title: "Failed to delete template.",
-				action: (
-					<ToastAction
-						altText="Try again"
-						onClick={() => _deleteTemplate(templateName)}
-					>
-						Try again
-					</ToastAction>
-				),
-			});
-		}
-	}
-
-	return (
-		<>
-			<Table>
-				<TableHeader>
-					<TableRow>
-						<TableHead>Name</TableHead>
-						<TableHead>Description</TableHead>
-						<TableHead>Created at</TableHead>
-						<TableHead className="text-right">Actions</TableHead>
-					</TableRow>
-				</TableHeader>
-
-				{templates ? (
-					<TableBody>
-						{templates.map((template) => (
-							<TableRow key={template.name}>
-								<TableCell>{template.name}</TableCell>
-								<TableCell>
-									{template.description || "No description"}
-								</TableCell>
-								<TableCell>
-									{dayjs(template.createdOn).format("YYYY/MM/DD")}
-								</TableCell>
-								<TableCell className="flex justify-end space-x-1">
-									<Button variant="outline" size="icon" asChild>
-										<Link to={`/templates/${template.name}`} preload="intent">
-											<div>
-												<Pencil />
-												<span className="sr-only">Edit template</span>
-											</div>
-										</Link>
-									</Button>
-									<Button
-										variant="outline"
-										size="icon"
-										onClick={() => _deleteTemplate(template.name)}
-									>
-										<Trash2 className="text-destructive" />
-									</Button>
-								</TableCell>
-							</TableRow>
-						))}
-					</TableBody>
-				) : null}
-			</Table>
-			{placeholder()}
-		</>
-	);
-}
-
 export { TemplatesDashboard };

web/src/templates/template-table.tsx

@@ -0,0 +1,124 @@
+import { Button } from "@/components/ui/button";
+import { Skeleton } from "@/components/ui/skeleton";
+import {
+	Table,
+	TableHeader,
+	TableRow,
+	TableHead,
+	TableBody,
+	TableCell,
+} from "@/components/ui/table";
+import { useToast } from "@/hooks/use-toast";
+import { ToastAction } from "@radix-ui/react-toast";
+import dayjs from "dayjs";
+import { Pencil, Trash2 } from "lucide-react";
+import React, { useEffect } from "react";
+import { useTemplates, useDeleteTemplate } from "./api";
+import { Link } from "@tanstack/react-router";
+import type { TemplateMeta } from "./types";
+
+const TemplateTable = React.memo(_TemplateTable, () => true);
+
+function _TemplateTable() {
+	const { data: templates, isLoading } = useTemplates();
+
+	function placeholder() {
+		if (isLoading) {
+			return (
+				<div className="w-full py-2 space-y-2">
+					<Skeleton className="w-full h-10" />
+					<Skeleton className="w-full h-10" />
+					<Skeleton className="w-full h-10" />
+					<Skeleton className="w-full h-10" />
+					<Skeleton className="w-full h-10" />
+				</div>
+			);
+		}
+		if (templates?.length === 0) {
+			return <p className="text-center py-2 opacity-80">No templates found.</p>;
+		}
+		return null;
+	}
+
+	return (
+		<>
+			<Table>
+				<TableHeader>
+					<TableRow>
+						<TableHead>Name</TableHead>
+						<TableHead>Description</TableHead>
+						<TableHead>Created at</TableHead>
+						<TableHead className="text-right">Actions</TableHead>
+					</TableRow>
+				</TableHeader>
+
+				{templates ? (
+					<TableBody>
+						{templates.map((template) => (
+							<TemplateTableRow key={template.name} template={template} />
+						))}
+					</TableBody>
+				) : null}
+			</Table>
+			{placeholder()}
+		</>
+	);
+}
+
+function TemplateTableRow({ template }: { template: TemplateMeta }) {
+	return (
+		<TableRow>
+			<TableCell>{template.name}</TableCell>
+			<TableCell>{template.description || "No description"}</TableCell>
+			<TableCell>{dayjs(template.createdOn).format("YYYY/MM/DD")}</TableCell>
+			<TableCell className="flex justify-end space-x-1">
+				<Button variant="outline" size="icon" asChild>
+					<Link to={`/templates/${template.name}`} preload="intent">
+						<div>
+							<Pencil />
+							<span className="sr-only">Edit template</span>
+						</div>
+					</Link>
+				</Button>
+				<DeleteTemplateButton template={template} />
+			</TableCell>
+		</TableRow>
+	);
+}
+
+function DeleteTemplateButton({ template }: { template: TemplateMeta }) {
+	const { deleteTemplate, status } = useDeleteTemplate();
+	const { toast } = useToast();
+
+	useEffect(() => {
+		if (status.type === "error") {
+			let toastDescription: string;
+			switch (status.error.type) {
+				case "NETWORK":
+					toastDescription = "Network error";
+					break;
+				default:
+					toastDescription = "Unexpected error";
+					break;
+			}
+			toast({
+				variant: "destructive",
+				title: "Failed to delete template",
+				description: toastDescription,
+			});
+		}
+	}, [status, toast]);
+
+	async function _deleteTemplate() {
+		await deleteTemplate(template.name);
+		toast({ title: "Template deleted!" });
+	}
+
+	return (
+		<Button variant="outline" size="icon" onClick={_deleteTemplate}>
+			<Trash2 className="text-destructive" />
+		</Button>
+	);
+}
+
+export { TemplateTable };