Add mailing plugin with templates, outbox, and job processing

src/plugin.ts

@@ -0,0 +1,98 @@
+import { Config } from 'payload/config'
+import { MailingPluginConfig, MailingContext } from './types'
+import { MailingService } from './services/MailingService'
+import { createMailingJobs } from './jobs'
+import EmailTemplates from './collections/EmailTemplates'
+import EmailOutbox from './collections/EmailOutbox'
+import { scheduleOutboxJob } from './jobs/processOutboxJob'
+
+export const mailingPlugin = (pluginConfig: MailingPluginConfig) => (config: Config): Config => {
+  const templatesSlug = pluginConfig.collections?.templates || 'email-templates'
+  const outboxSlug = pluginConfig.collections?.outbox || 'email-outbox'
+  const queueName = pluginConfig.queue || 'default'
+
+  // Update collection slugs if custom ones are provided
+  const templatesCollection = {
+    ...EmailTemplates,
+    slug: templatesSlug,
+  }
+
+  const outboxCollection = {
+    ...EmailOutbox,
+    slug: outboxSlug,
+    fields: EmailOutbox.fields.map(field => {
+      if (field.name === 'template' && field.type === 'relationship') {
+        return {
+          ...field,
+          relationTo: templatesSlug,
+        }
+      }
+      return field
+    }),
+  }
+
+  return {
+    ...config,
+    collections: [
+      ...(config.collections || []),
+      templatesCollection,
+      outboxCollection,
+    ],
+    jobs: {
+      ...(config.jobs || {}),
+      tasks: [
+        ...(config.jobs?.tasks || []),
+        // Jobs will be added via onInit hook
+      ],
+    },
+    onInit: async (payload) => {
+      // Call original onInit if it exists
+      if (config.onInit) {
+        await config.onInit(payload)
+      }
+
+      // Initialize mailing service
+      const mailingService = new MailingService(payload, pluginConfig)
+      
+      // Add mailing jobs
+      const mailingJobs = createMailingJobs(mailingService)
+      if (payload.jobs) {
+        mailingJobs.forEach(job => {
+          payload.jobs.addTask(job)
+        })
+      }
+
+      // Schedule periodic outbox processing (every 5 minutes)
+      const schedulePeriodicJob = async () => {
+        await scheduleOutboxJob(payload, queueName, 'process-outbox', 5 * 60 * 1000) // 5 minutes
+        setTimeout(schedulePeriodicJob, 5 * 60 * 1000) // Schedule next run
+      }
+
+      // Schedule periodic retry job (every 30 minutes)
+      const scheduleRetryJob = async () => {
+        await scheduleOutboxJob(payload, queueName, 'retry-failed', 30 * 60 * 1000) // 30 minutes
+        setTimeout(scheduleRetryJob, 30 * 60 * 1000) // Schedule next run
+      }
+
+      // Start periodic jobs if jobs are enabled
+      if (payload.jobs) {
+        setTimeout(schedulePeriodicJob, 5 * 60 * 1000) // Start after 5 minutes
+        setTimeout(scheduleRetryJob, 15 * 60 * 1000) // Start after 15 minutes
+      }
+
+      // Add mailing context to payload for developer access
+      ;(payload as any).mailing = {
+        service: mailingService,
+        config: pluginConfig,
+        collections: {
+          templates: templatesSlug,
+          outbox: outboxSlug,
+        },
+      } as MailingContext
+
+      console.log('PayloadCMS Mailing Plugin initialized successfully')
+    },
+  }
+}
+
+export default mailingPlugin