add auto-optin message handler.

Author: engelhartrueben

src/extensions/message-handlers/auto-optin/index.js

@@ -0,0 +1,97 @@
+import { getConfig, getFeatures } from "../../../server/api/lib/config";
+import { cacheableData } from "../../../server/models";
+
+const DEFAULT_AUTO_OPTIN_REGEX_LIST_BASE64 =
+    "W3sicmVnZXgiOiAiXlNUQVJUJCIsICJyZWFzb24iOiAic3RhcnQifV0=";
+
+// DEFAULT_AUTO_OPTIN_REGEX_LIST_BASE64 decodes to:
+// [{"regex": "^START$"", "reason": "start"}]
+
+export const serverAdministratorInstructions = () => {
+    return {
+        description: `Can add people to opt in list depending on the reply`,
+        setupInstructions: `
+            Add "auto-optin" to message hanlder environment variable.
+            Can change default optin langauge by adding AUTO_OPTIN_REGEX_LIST_BASE64 to
+            \`.env\`. This variable should be a JSON object encoded in base64. See line 8 for
+            current structure. 
+        `,
+        environmentVariables: ["AUTO_OPTIN_REGEX_LIST_BASE64"]
+    }
+}
+
+export const available = organization => {
+    const config = getConfig("AUTO_OPTIN_REGEX_LIST_BASE64", organization) ||
+        DEFAULT_AUTO_OPTIN_REGEX_LIST_BASE64;
+    
+    if (!config) return false;
+    try {
+        JSON.parse(Buffer.from(config, "base64").toString());
+        return true;
+    } catch (exception) {
+        console.log(
+            "message-handler/auto-optin JSON parse of AUTO_OPTIN_REGEX_LIST_BASE64 failed",
+            exception
+        );
+        return false;
+    }
+}
+
+export const preMessageSave = ({ messageToSave, organization }) => {
+    if (messageToSave.is_from_contact) {
+        const config = Buffer.from(
+            getConfig("AUTO_OPTIN_REGEX_LIST_BASE64", organization) ||
+            DEFAULT_AUTO_OPTIN_REGEX_LIST_BASE64,
+            "base64"
+        ).toString();
+        const regexList = JSON.parse(config || "[]");
+        const matches = regexList.filter(matcher => {
+            const re = new RegExp(matcher.regex); // Want case sensitivity, probably?
+            return String(messageToSave.text).match(re);
+        })
+        if (matches.length) {
+            console.log(
+                `auto-optin MATCH ${messageToSave.campaign_contact_id}`
+            );
+            const reason = matches[0].reason || "auto_optin";
+
+            // UNSURE OF THIS RETURN
+            return {
+                contactUpdates: {
+                    is_opted_in: true
+                },
+                handlerContext: {
+                    autoOptInReason: reason,
+                },
+                messageToSave
+            };
+        }
+    }
+}
+
+export const postMessageSave = async ({ 
+    message, 
+    organization, 
+    handlerContext, 
+    campaign 
+}) => {
+    if (!message.is_from_contact || !handlerContext.autoOptInReason) return;
+
+    console.log(
+        `auto-optin.postMessageSave ${message.campaign_contact_id}`
+    );
+
+    let contact = await cacheableData.campaignContact.load(
+        message.campaign_contact_id,
+        { cahceOnly: true}
+    );
+    campaign = campaign || { organization_id: organization.id};
+
+    // Save to DB
+    await cacheableData.optIn.save({
+        cell: message.contact_number,
+        campaign,
+        assignmentId: (contact && contact.assignment_id) || null,
+        reason: handlerContext.autoOptInReason
+    });
+}