certificates — gitlawb

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#1	import { useState, useEffect, useCallback } from "react";
#2
#3	export interface CustomTemplate {
#4	id: string;
#5	name: string;
#6	code: string;
#7	createdAt: string;
#8	}
#9
#10	const STORAGE_KEY = "cert-custom-templates";
#11
#12	function loadTemplates(): CustomTemplate[] {
#13	try {
#14	const raw = localStorage.getItem(STORAGE_KEY);
#15	return raw ? JSON.parse(raw) : [];
#16	} catch {
#17	return [];
#18	}
#19	}
#20
#21	function saveTemplates(templates: CustomTemplate[]) {
#22	localStorage.setItem(STORAGE_KEY, JSON.stringify(templates));
#23	}
#24
#25	export function useCustomTemplates() {
#26	const [templates, setTemplates] = useState<CustomTemplate[]>(loadTemplates);
#27
#28	useEffect(() => {
#29	const handler = () => setTemplates(loadTemplates());
#30	window.addEventListener("custom-templates-changed", handler);
#31	return () => window.removeEventListener("custom-templates-changed", handler);
#32	}, []);
#33
#34	const notify = () => window.dispatchEvent(new Event("custom-templates-changed"));
#35
#36	const addTemplate = useCallback((name: string, code: string) => {
#37	const id = `c${Date.now().toString(36)}`;
#38	const existing = loadTemplates();
#39	const updated = [...existing, { id, name, code, createdAt: new Date().toISOString() }];
#40	saveTemplates(updated);
#41	notify();
#42	return id;
#43	}, []);
#44
#45	const updateTemplate = useCallback((id: string, name: string, code: string) => {
#46	const existing = loadTemplates();
#47	const updated = existing.map((t) => (t.id === id ? { ...t, name, code } : t));
#48	saveTemplates(updated);
#49	notify();
#50	}, []);
#51
#52	const deleteTemplate = useCallback((id: string) => {
#53	const existing = loadTemplates();
#54	saveTemplates(existing.filter((t) => t.id !== id));
#55	notify();
#56	}, []);
#57
#58	const getTemplate = useCallback((id: string) => {
#59	return loadTemplates().find((t) => t.id === id);
#60	}, []);
#61
#62	return { templates, addTemplate, updateTemplate, deleteTemplate, getTemplate };
#63	}
#64

z6Mkqhmm/certificates