1 files changed, 67 insertions, 0 deletions

diff --git a/emailing/send.js b/emailing/send.js
new file mode 100644
index 0000000..2188afd
--- /dev/null
+++ b/emailing/send.js
@@ -0,0 +1,67 @@
+const fs = require('fs');
+// const path = require('path');
+const axios = require('axios');
+const dayjs = require('dayjs');
+const weekOfYear = require('dayjs/plugin/weekOfYear');
+const handlebars = require('handlebars');
+
+dayjs.extend(weekOfYear);
+
+(async function () {
+
+  const campaignId = 'b03de6fc-ff95-40a0-8707-c0706b3c0b31';
+  const from = { name: 'Mitja Felicijan', email: 'weekly@mitjafelicijan.com' };
+
+  const headers = {
+    'Authorization': 'Bearer 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',
+    'Content-Type': 'application/json',
+  };
+
+  // gets current week
+  let campaign = null;
+  try {
+    campaign = require(`./campaigns/${dayjs().format('YYYY')}-${dayjs().week()}.json`);
+  } catch (err) {
+    console.error(err);
+    process.exit(1);
+  }
+
+  // gets list subscribers
+  const personalizations = [];
+  const contacts = await axios.get('https://api.sendgrid.com/v3/marketing/contacts', { headers: headers }).catch(error => { console.log(error) });
+  if (contacts) {
+    for (const contact of contacts.data.result) {
+      if (contact.list_ids.includes(campaignId)) {
+        personalizations.push({ to: [{ email: contact.email }] });
+      }
+    }
+  }
+
+  // gets handlebars template contents
+  let template = null;
+  try {
+    template = handlebars.compile(fs.readFileSync('template.hbs', 'utf8'));
+    template = template(campaign);
+  } catch (e) {
+    console.error(err);
+    process.exit(1);
+  }
+
+  // send actual emails
+  await axios.post('https://api.sendgrid.com/v3/mail/send', {
+    from,
+    subject: `Week #${dayjs().week()} Links`,
+    personalizations,
+    content: [{
+      type: 'text/html',
+      value: template
+    }]
+  }, { headers: headers }).catch(error => { console.log(error) });
+
+  // report
+  console.log(`Emailing sent to ${personalizations.length} subscribers:`)
+  for (const subscriber of personalizations) {
+    console.log(' - ', subscriber.to[0].email)
+  }
+
+}());