From 0f2f30eb835a7fb17c605886c458bf73fad0fc8e Mon Sep 17 00:00:00 2001
From: Karen Shaw <karendid@gmail.com>
Date: Mon, 9 Oct 2023 20:19:55 +0000
Subject: [PATCH] Replace email template

---
 lambdas/assets/email.html             |  8 ++--
 lambdas/assets/email.txt              |  5 +-
 lambdas/get-download-link.js          |  2 +-
 lambdas/send-email.js                 | 68 ---------------------------
 lambdas/send-templated-email.js       | 43 +++++++++++++++++
 src/handlers/get-file-set-download.js | 27 ++++-------
 state_machines/av_download.json       | 18 ++++---
 template.yaml                         |  4 +-
 8 files changed, 75 insertions(+), 100 deletions(-)
 delete mode 100644 lambdas/send-email.js
 create mode 100644 lambdas/send-templated-email.js
diff --git a/lambdas/assets/email.html b/lambdas/assets/email.html
index 6a8205c2..f0d5682b 100644
--- a/lambdas/assets/email.html
+++ b/lambdas/assets/email.html
@@ -2,7 +2,7 @@
 <html xmlns='http://www.w3.org/1999/xhtml'>
   <head>
     <meta http-equiv='Content-Type' content='text/html; charset=utf-8' />
-    <title>Meadow AV Download</title>
+    <title>NUL Meadow AV Download</title>
     <meta content='IE=edge' http-equiv='X-UA-Compatible' />
     <style>
       p {
@@ -121,13 +121,13 @@ <h1>
                       Hello,
                     </h2>
                     <p>
-                      Your request for AV Download of <a href="{{referer}}work/{{workId}}">{{title}}</a> (accession: {{accession}}) has been
+                      Your request for {{fileType}} download of <b>{{fileSetLabel}}</b> (file set id: {{fileSetId}}) has been
                       fulfilled. Click below to download your file:
                     </p>
                     <p style='text-align: center'>
-                      <a href='{{downloadKey}}'>
+                      <a href='{{downloadLink}}'>
                         <!-- icon licensed under Creative Commons (Attribution 3.0 Unported): https://www.iconfinder.com/icons/285629/zip_file_icon -->
-                        <img src="https://iiif.dc.library.northwestern.edu/iiif/2/00000000-0000-0000-0000-000000000002/square/100,100/0/default.jpg" alt="{{downloadKey}}" />
+                        <img src="https://iiif.dc.library.northwestern.edu/iiif/2/00000000-0000-0000-0000-000000000002/square/100,100/0/default.jpg" alt="{{downloadLink}}" />
                       </a>
                     </p>
                     <p style='text-align: center; font-style: italic'>
diff --git a/lambdas/assets/email.txt b/lambdas/assets/email.txt
index 60f77c98..fbad8b63 100644
--- a/lambdas/assets/email.txt
+++ b/lambdas/assets/email.txt
@@ -1,4 +1,5 @@
 Hello,
-A zipped archive of {{title}} with accession: {{accession}} has been created. Your download will be available for 24 hours.
 
-The zip file can be downloaded from {{downloadKey}}
+Your request for {{fileType}} download of {{fileSetLabel}} (file set id: {{fileSetId}}) has been fulfilled. Your download will be available for 24 hours.
+
+The zip file can be downloaded from {{downloadLink}}
diff --git a/lambdas/get-download-link.js b/lambdas/get-download-link.js
index ae37c540..34797f5b 100644
--- a/lambdas/get-download-link.js
+++ b/lambdas/get-download-link.js
@@ -19,7 +19,7 @@ module.exports.handler = async (event) => {
 
   console.log("url", url)
 
-  return {downloadLink: url, params: {downloadlink: url}
+  return {downloadLink: url}
   
 };
 
diff --git a/lambdas/send-email.js b/lambdas/send-email.js
deleted file mode 100644
index da981299..00000000
--- a/lambdas/send-email.js
+++ /dev/null
@@ -1,68 +0,0 @@
-const { SESClient, SendTemplatedEmailCommand } = require("@aws-sdk/client-ses");
-
-module.exports.handler = async (event) => {
-  console.log("SEND EMAIL LAMBDA");
-  console.log(event);
-
-  const sesClient = new SESClient();
-  const templateName = event.template;
-  const toAddress = event.to || "karen.shaw@northwestern.edu";
-  const senderAddress = event.sender;
-  const downloadLink = event.downloadLink;
-  const today = new Date().toLocaleDateString("en-us", {
-    weekday: "long",
-    year: "numeric",
-    month: "short",
-    day: "numeric",
-  });
-  const params = {
-    email: toAddress,
-    downloadKey: downloadLink,
-    referer: "Meadow",
-    workId: "foo",
-    today,
-    title: "[Untitled]",
-    accession: "1234",
-  };
-
-  const sendTemplatedEmailCommand = createSendTemplatedEmailCommand(
-    toAddress,
-    senderAddress,
-    templateName,
-    params
-  );
-
-  try {
-    const result = await sesClient.send(sendTemplatedEmailCommand);
-    console.log("sendTemplatedEmailCommand", result)
-  } catch (err) {
-    console.log("Failed to send template email", err);
-    return err;
-  }
-  return {success: true}
-};
-
-/**
- *
- * @param { { emailAddress: string, firstName: string } } user
- * @param { string } templateName - The name of an existing template in Amazon SES.
- * @returns { SendTemplatedEmailCommand }
- */
-const createSendTemplatedEmailCommand = (
-  toAddress,
-  senderAddress,
-  templateName,
-  params
-) => {
-  return new SendTemplatedEmailCommand({
-    /**
-     * Here's an example of how a template would be replaced with user data:
-     * Template: <h1>Hello {{contact.firstName}},</h1><p>Don't forget about the party gifts!</p>
-     * Destination: <h1>Hello Bilbo,</h1><p>Don't forget about the party gifts!</p>
-     */
-    Destination: { ToAddresses: [toAddress] },
-    TemplateData: JSON.stringify(params),
-    Source: `Northwestern University Libraries <${senderAddress}>`,
-    Template: templateName,
-  });
-};
diff --git a/lambdas/send-templated-email.js b/lambdas/send-templated-email.js
new file mode 100644
index 00000000..8fa3ff2c
--- /dev/null
+++ b/lambdas/send-templated-email.js
@@ -0,0 +1,43 @@
+const { SESClient, SendTemplatedEmailCommand } = require("@aws-sdk/client-ses");
+
+module.exports.handler = async (event) => {
+  console.log("SEND EMAIL LAMBDA");
+  console.log(event);
+
+  const sesClient = new SESClient();
+  const templateName = event.template;
+  const toAddress = event.to;
+  const fromAddress = event.from;
+
+  const params = event.params
+  const sendTemplatedEmailCommand = createSendTemplatedEmailCommand(
+    toAddress,
+    fromAddress,
+    templateName,
+    params
+  );
+
+  try {
+    const result = await sesClient.send(sendTemplatedEmailCommand);
+    console.log("sendTemplatedEmailCommand", result)
+  } catch (err) {
+    console.log("Failed to send template email", err);
+    return err;
+  }
+  return {success: true}
+};
+
+
+const createSendTemplatedEmailCommand = (
+  toAddress,
+  fromAddress,
+  templateName,
+  params
+) => {
+  return new SendTemplatedEmailCommand({
+    Destination: { ToAddresses: [toAddress] },
+    TemplateData: JSON.stringify(params),
+    Source: `Northwestern University Libraries <${fromAddress}>`,
+    Template: templateName,
+  });
+};
diff --git a/src/handlers/get-file-set-download.js b/src/handlers/get-file-set-download.js
index d207111a..02d55d15 100644
--- a/src/handlers/get-file-set-download.js
+++ b/src/handlers/get-file-set-download.js
@@ -63,7 +63,7 @@ function processDownload(doc, email) {
   const sourceLocation = s3Location(fileSet.streaming_url); // camelCase streaming url?
   const destinationBucket = process.env.MEDIA_CONVERT_DESTINATION_BUCKET;
   const fileSetId = path.parse(url.pathname).name
-  const label = fileSet.label
+  const fileSetLabel = fileSet.label
   const workId = fileSet.work_id
   const fileType = fileSet.mime_type.split("/")[0]
   const destinationKey = `downloads/${fileSetId}.mp4`;
@@ -91,22 +91,15 @@ function processDownload(doc, email) {
       },
       sendEmailInput: {
         to: email,
-        downloadLink: "",
-        template: "work-archiver-template",
-        sender: process.env.REPOSITORY_EMAIL,
-        fileSetId,
-        fileSetLabel: label,
-        workId,
-        fileType,
-        // params: {
-        //   to: email,
-        //   downloadLink: "",
-        //   sender: process.env.REPOSITORY_EMAIL,
-        //   fileSetId,
-        //   fileSetLabel: label,
-        //   workId,
-        //   fileType,
-        // }
+        template: "av-download-template",
+        from: process.env.REPOSITORY_EMAIL,
+        params: {
+          downloadLink: "",
+          fileSetId,
+          fileSetLabel,
+          workId,
+          fileType,
+        }
       },
     }),
   };
diff --git a/state_machines/av_download.json b/state_machines/av_download.json
index cf2ab00d..b81f7f6f 100644
--- a/state_machines/av_download.json
+++ b/state_machines/av_download.json
@@ -37,16 +37,22 @@
       "Resource": "arn:aws:lambda:us-east-1:123456789012:function:getDownloadLinkFunction",
       "InputPath": "$.presignedUrlInput",
       "ResultPath": "$.downloadLinkOutput",
-      "Next": "sendEmail"
+      "Next": "sendTemplatedEmail"
     },
-    "sendEmail": {
+    "sendTemplatedEmail": {
       "Type": "Task",
-      "Resource": "arn:aws:lambda:us-east-1:123456789012:function:sendEmailFunction",
+      "Resource": "arn:aws:lambda:us-east-1:123456789012:function:sendTemplatedEmailFunction",
       "Parameters": {
         "to.$": "$.sendEmailInput.to",
-        "downloadLink.$": "$.downloadLinkOutput.downloadLink",
-        "sender.$": "$.sendEmailInput.sender",
-        "template.$": "$.sendEmailInput.template"
+        "from.$": "$.sendEmailInput.from",
+        "template.$": "$.sendEmailInput.template",
+        "params": {
+          "downloadLink.$": "$.downloadLinkOutput.downloadLink",
+          "fileSetId.$": "$.sendEmailInput.params.fileSetId",
+          "fileSetLabel.$": "$.sendEmailInput.params.fileSetLabel",
+          "workId.$": "$.sendEmailInput.params.workId",
+          "fileType.$": "$.sendEmailInput.params.fileType"
+        }
       },
       "End": true
     }
diff --git a/template.yaml b/template.yaml
index 26e32f62..defdd195 100644
--- a/template.yaml
+++ b/template.yaml
@@ -616,12 +616,12 @@ Resources:
       CodeUri: ./lambdas
       Handler: get-download-link.handler
       Description: Creates presigned url
-  sendEmailFunction:
+  sendTemplatedEmailFunction:
     Type: AWS::Serverless::Function
     Properties:
       Runtime: nodejs18.x
       CodeUri: ./lambdas
-      Handler: send-email.handler
+      Handler: send-templated-email.handler
       Description: Sends email
   dcApi:
     Type: AWS::Serverless::HttpApi
