106 lines
3.6 KiB
TypeScript
106 lines
3.6 KiB
TypeScript
import { EmailTemplate } from '../types';
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// Helper functions remain synchronous as they are utility functions
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export const generateTemplateKey = (name: string): string => {
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return name.trim().toLowerCase().replace(/\s+/g, '_').replace(/[^a-z0-9_]/g, '');
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};
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export const generateSQL = (template: EmailTemplate): string => {
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const fullHtml = `${template.header}${template.body}${template.footer}`.replace(/'/g, "''");
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const header = template.header.replace(/'/g, "''");
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const body = template.body.replace(/'/g, "''");
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const footer = template.footer.replace(/'/g, "''");
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const subject = template.subject.replace(/'/g, "''");
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const vars = JSON.stringify(template.variables).replace(/'/g, "''");
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const key = generateTemplateKey(template.name);
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return `INSERT INTO email_templates (id, template_key, name, description, subject, header_html, body_html, footer_html, full_html, required_variables)
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VALUES ('${template.id}', '${key}', '${template.name.replace(/'/g, "''")}', '${template.description?.replace(/'/g, "''") || ''}', '${subject}', '${header}', '${body}', '${footer}', '${fullHtml}', '${vars}')
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ON DUPLICATE KEY UPDATE
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subject = VALUES(subject),
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header_html = VALUES(header_html),
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body_html = VALUES(body_html),
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footer_html = VALUES(footer_html),
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full_html = VALUES(full_html),
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required_variables = VALUES(required_variables);`;
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};
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export const generateSelectSQL = (template: EmailTemplate): string => {
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const key = generateTemplateKey(template.name);
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return `SELECT * FROM email_templates WHERE template_key = '${key}';`;
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};
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export const generateN8nCode = (template: EmailTemplate): string => {
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const varsMap = template.variables.map(v => ` "${v}": "REPLACE_WITH_VALUE"`).join(',\n');
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const hasVars = template.variables.length > 0;
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return `// n8n Code Node - Template Populator
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// 1. Ensure the previous node (SQL) returns the template with 'full_html' column.
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// 2. Adjust the 'item.json.full_html' path if your SQL node output is different.
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for (const item of items) {
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const templateHtml = item.json.full_html;
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// Define your dynamic data here
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const replacements = {
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${hasVars ? varsMap : ' // No variables detected in this template'}
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};
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let finalHtml = templateHtml;
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// Perform replacement
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for (const [key, value] of Object.entries(replacements)) {
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// Replaces {{key}} globally
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finalHtml = finalHtml.replace(new RegExp('{{' + key + '}}', 'g'), value);
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}
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// Output the processed HTML
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item.json.processed_html = finalHtml;
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}
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return items;`;
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};
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// Async API calls to replace synchronous localStorage
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export const getTemplates = async (): Promise<EmailTemplate[]> => {
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try {
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const response = await fetch('/api/templates');
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if (!response.ok) throw new Error('Failed to fetch');
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return await response.json();
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} catch (e) {
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console.error("Failed to load templates", e);
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return [];
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}
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};
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export const saveTemplate = async (template: EmailTemplate): Promise<void> => {
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try {
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const response = await fetch('/api/templates', {
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method: 'POST',
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headers: {
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'Content-Type': 'application/json',
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},
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body: JSON.stringify(template),
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});
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if (!response.ok) {
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const error = await response.json();
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throw new Error(error.message || 'Failed to save');
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}
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} catch (e) {
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console.error("Failed to save template", e);
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throw e;
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}
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};
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export const deleteTemplate = async (id: string): Promise<void> => {
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try {
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const response = await fetch(`/api/templates/${id}`, {
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method: 'DELETE',
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});
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if (!response.ok) throw new Error('Failed to delete');
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} catch (e) {
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console.error("Failed to delete template", e);
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throw e;
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}
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}; |