Maithili - Fix the inability to send out emails from send emails tab

[maithili20]

Description

Fixes # (bug list priority high/medium/low x.y.z)

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Related PRS (if any):

fix the issues in. this PR OneCommunityGlobal/HighestGoodNetworkApp#3148

Main changes explained:

• Updated file src/services/announcements/emails/emailBatchService.js
• Updated file src/utilities/emailValidators.js
  …

How to test:

1. check into current branch
2. do npm install and ... to run this PR locally
3. Clear site data/cache
4. log as admin user
5. go to dashboard→ Other Links→ Send Emails
6. verify "Email successfully sent" message is shown only when user sends complete request. (i.e. comma separated email addresses, upload header: image_file)
7. Also veridy if you actually receive an email. Verify sending it to one email address as well as multiple comma seperated email addresses
8. Emails are sent via Oauth2. Please add following to env file -
   ANNOUNCEMENT_EMAIL
   ANNOUNCEMENT_EMAIL_CLIENT_ID
   ANNOUNCEMENT_EMAIL_CLIENT_SECRET
   ANNOUNCEMENT_EMAIL_REFRESH_TOKEN
   ANNOUNCEMENT_EMAIL_CLIENT_REDIRECT_URI
   Values of this can be found out using the instructions in the video - https://www.youtube.com/watch?v=-rcRf7yswfM&t=10s

Screenshots or videos of changes:

Please refer to video in PR OneCommunityGlobal/HighestGoodNetworkApp#3148 . It explains process to send email

Note:

Include the information the reviewers need to know.

[sonarqubecloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarQube Cloud