Same attendee can be added multiple times

[bergart]

Steps to reproduce

1. Create some local user
2. Go to the calendars attendee section and add them
3. Delete a user by pressing the [x] button

Expected behaviour

Only the choosen local user should be removed

Actual behaviour

All local users will be removed

Server configuration

Operating system: Linux 4.10.0-32 Ubuntu x86_64

Web server: nginx/1.10.3

Database: MariaDB v.10.0.31

PHP version: 7.0.22

Server version: 12.0.2 and 13.0.0

Calendar version: 1.5.3

Updated from an older installed version or fresh install: no

Signing status (ownCloud/Nextcloud 9.0 and above): true

Integrity checker has been disabled. Integrity cannot be verified.

List of activated apps:

Enabled:
  - calendar: 1.5.3
  - comments: 1.3.0
  - dav: 1.4.0
  - federatedfilesharing: 1.3.1
  - federation: 1.3.0
  - files: 1.8.0
  - files_sharing: 1.5.0
  - files_trashbin: 1.3.0
  - files_versions: 1.6.0
  - lookup_server_connector: 1.1.0
  - oauth2: 1.1.0
  - provisioning_api: 1.3.0
  - sharebymail: 1.3.0
  - spreed: 2.1.2
  - systemtags: 1.3.0
  - theming: 1.4.0
  - twofactor_backupcodes: 1.2.1
  - updatenotification: 1.3.0
  - workflowengine: 1.3.0
Disabled:
  - admin_audit
  - encryption
  - files_external
  - testing
  - user_ldap

Nextcloud configuration:

Enabled:
  - calendar: 1.5.3
  - comments: 1.3.0
  - dav: 1.4.0
  - federatedfilesharing: 1.3.1
  - federation: 1.3.0
  - files: 1.8.0
  - files_sharing: 1.5.0
  - files_trashbin: 1.3.0
  - files_versions: 1.6.0
  - lookup_server_connector: 1.1.0
  - oauth2: 1.1.0
  - provisioning_api: 1.3.0
  - sharebymail: 1.3.0
  - spreed: 2.1.2
  - systemtags: 1.3.0
  - theming: 1.4.0
  - twofactor_backupcodes: 1.2.1
  - updatenotification: 1.3.0
  - workflowengine: 1.3.0
Disabled:
  - admin_audit
  - encryption
  - files_external
  - testing
  - user_ldap

{
    "system": {
        "instanceid": "ocbkwifn1tsq",
        "passwordsalt": "***REMOVED SENSITIVE VALUE***",
        "secret": "***REMOVED SENSITIVE VALUE***",
        "trusted_domains": [
            "*.*.*.*"
        ],
        "datadirectory": "\/var\/www\/nextcloud\/data",
        "overwrite.cli.url": "https:\/\/*.*.*.*",
        "dbtype": "mysql",
        "version": "13.0.0.3",
        "dbname": "***REMOVED SENSITIVE VALUE***",
        "dbhost": "localhost",
        "dbport": "",
        "dbtableprefix": "oc_",
        "dbuser": "***REMOVED SENSITIVE VALUE***",
        "dbpassword": "***REMOVED SENSITIVE VALUE***",
        "installed": true,
        "mail_domain": "***REMOVED SENSITIVE VALUE***",
        "mail_smtpmode": "php",
        "mail_smtpauthtype": "LOGIN",
        "mail_from_address": "***REMOVED SENSITIVE VALUE***",
        "debug": true
    }
}

Are you using external storage, if yes which one: no

Are you using encryption: no

Are you using an external user-backend, if yes which one: no

Client configuration

Browser: Firefox 55.0.2 (64-bit), Chrome v.60.0.3112.101, Chromium v.60.0.3112.78

Operating system: Linux 4.10.0-32 Ubuntu x86_64

CalDAV-clients:

Logs

Web server error log

There's no output related to this issue

Log file (data/nextcloud.log)

There's no output related to this issue

Browser log

There's no output related to this issue

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[bergart]

have a l@@k

[georgehrke]

Well, that's because the two users are identical.

The issue is that you can add a user multiple times in the first place, not?

[bergart]

right, that's the issue, but if you delete an identical one, all others/ the whole list will also removed/cleared!