Sciencemesh app breaks user search

[mickenordin]

When searching for a user with the sciencemesh app enabled, search fails with the following log line:

{
  "reqId": "0AlNjzaxMxGPaFxRBw2b",
  "level": 3,
  "time": "2023-10-30T11:23:28+00:00",
  "remoteAddr": "89.46.21.246",
  "user": "_kano",
  "app": "no app in context",
  "method": "GET",
  "url": "/ocs/v2.php/apps/files_sharing/api/v1/sharees?format=json&itemType=folder&search=freitag%40sunet.se&lookup=true&perPage=25&shareType[]=0&shareType[]=1&shareType[]=6&shareType[]=9&shareType[]=7&shareType[]=10&shareType[]=8&shareType[]=12&shareType[]=undefined&shareType[]=4",
  "message": "array_filter(): Argument #1 ($array) must be of type array, null given in file /var/www/html/custom_apps/sciencemesh/lib/Plugins/ScienceMeshSearchPlugin.php line 37",
  "userAgent": "Mozilla/5.0 (X11; Linux x86_64; rv:109.0) Gecko/20100101 Firefox/119.0",
  "version": "26.0.7.1",
  "exception": {
    "Exception": "Exception",
    "Message": "array_filter(): Argument #1 ($array) must be of type array, null given in file /var/www/html/custom_apps/sciencemesh/lib/Plugins/ScienceMeshSearchPlugin.php line 37",
    "Code": 0,
    "Trace": [
      {
        "file": "/var/www/html/lib/private/AppFramework/App.php",
        "line": 183,
        "function": "dispatch",
        "class": "OC\\AppFramework\\Http\\Dispatcher",
        "type": "->",
        "args": [
          [
            "OCA\\Files_Sharing\\Controller\\ShareesAPIController"
          ],
          "search"
        ]
      },
      {
        "file": "/var/www/html/lib/private/Route/Router.php",
        "line": 315,
        "function": "main",
        "class": "OC\\AppFramework\\App",
        "type": "::",
        "args": [
          "OCA\\Files_Sharing\\Controller\\ShareesAPIController",
          "search",
          [
            "OC\\AppFramework\\DependencyInjection\\DIContainer"
          ],
          [
            "ocs.files_sharing.ShareesAPI.search"
          ]
        ]
      },
      {
        "file": "/var/www/html/ocs/v1.php",
        "line": 64,
        "function": "match",
        "class": "OC\\Route\\Router",
        "type": "->",
        "args": [
          "/ocsapp/apps/files_sharing/api/v1/sharees"
        ]
      },
      {
        "file": "/var/www/html/ocs/v2.php",
        "line": 23,
        "args": [
          "/var/www/html/ocs/v1.php"
        ],
        "function": "require_once"
      }
    ],
    "File": "/var/www/html/lib/private/AppFramework/Http/Dispatcher.php",
    "Line": 169,
    "Previous": {
      "Exception": "TypeError",
      "Message": "array_filter(): Argument #1 ($array) must be of type array, null given",
      "Code": 0,
      "Trace": [
        {
          "file": "/var/www/html/custom_apps/sciencemesh/lib/Plugins/ScienceMeshSearchPlugin.php",
          "line": 37,
          "function": "array_filter",
          "args": [
            null,
            [
              "Closure"
            ]
          ]
        },
        {
          "file": "/var/www/html/lib/private/Collaboration/Collaborators/Search.php",
          "line": 72,
          "function": "search",
          "class": "OCA\\ScienceMesh\\Plugins\\ScienceMeshSearchPlugin",
          "type": "->",
          "args": [
            "freitag@sunet.se",
            25,
            0,
            [
              "OC\\Collaboration\\Collaborators\\SearchResult"
            ]
          ]
        },
        {
          "file": "/var/www/html/apps/files_sharing/lib/Controller/ShareesAPIController.php",
          "line": 227,
          "function": "search",
          "class": "OC\\Collaboration\\Collaborators\\Search",
          "type": "->",
          "args": [
            "freitag@sunet.se",
            [
              0,
              1,
              4,
              6,
              7
            ],
            true,
            25,
            0
          ]
        },
        {
          "file": "/var/www/html/lib/private/AppFramework/Http/Dispatcher.php",
          "line": 230,
          "function": "search",
          "class": "OCA\\Files_Sharing\\Controller\\ShareesAPIController",
          "type": "->",
          "args": [
            "freitag@sunet.se",
            "folder",
            1,
            25,
            [
              "0",
              "1",
              "6",
              "9",
              "7",
              "10",
              "8",
              "12",
              "undefined",
              "4"
            ],
            true
          ]
        },
        {
          "file": "/var/www/html/lib/private/AppFramework/Http/Dispatcher.php",
          "line": 137,
          "function": "executeController",
          "class": "OC\\AppFramework\\Http\\Dispatcher",
          "type": "->",
          "args": [
            [
              "OCA\\Files_Sharing\\Controller\\ShareesAPIController"
            ],
            "search"
          ]
        },
        {
          "file": "/var/www/html/lib/private/AppFramework/App.php",
          "line": 183,
          "function": "dispatch",
          "class": "OC\\AppFramework\\Http\\Dispatcher",
          "type": "->",
          "args": [
            [
              "OCA\\Files_Sharing\\Controller\\ShareesAPIController"
            ],
            "search"
          ]
        },
        {
          "file": "/var/www/html/lib/private/Route/Router.php",
          "line": 315,
          "function": "main",
          "class": "OC\\AppFramework\\App",
          "type": "::",
          "args": [
            "OCA\\Files_Sharing\\Controller\\ShareesAPIController",
            "search",
            [
              "OC\\AppFramework\\DependencyInjection\\DIContainer"
            ],
            [
              "ocs.files_sharing.ShareesAPI.search"
            ]
          ]
        },
        {
          "file": "/var/www/html/ocs/v1.php",
          "line": 64,
          "function": "match",
          "class": "OC\\Route\\Router",
          "type": "->",
          "args": [
            "/ocsapp/apps/files_sharing/api/v1/sharees"
          ]
        },
        {
          "file": "/var/www/html/ocs/v2.php",
          "line": 23,
          "args": [
            "/var/www/html/ocs/v1.php"
          ],
          "function": "require_once"
        }
      ],
      "File": "/var/www/html/custom_apps/sciencemesh/lib/Plugins/ScienceMeshSearchPlugin.php",
      "Line": 37
    },
    "CustomMessage": "--"
  }
}

[glpatcern]

This is fixed, some documentation is to be added to explain how to configure. Keeping it open until that is done.