OpenSlides/docs/models.yml

---
# Types:
#     - Nativ datatypes: string, number, boolean, JSON
#     - HTMLStrict: A string with HTML content.
#     - HTMLPermissive: A string with HTML content (with video tags).
#     - float: Numbers that are expected to be non-integer. Formatted as in rfc7159.
#     - decimal(X): Decimal values represented as a string with X decimal places.
#       At the moment we support only X == 6.
#     - timestamp: Datetime as a unix timestamp. Why a number? This enables queries
#       in the DB. And we do not need more precision than 1 second.
#     - <T>[]: This indicates and arbitrary array of the given type. At the moment
#       we support only some types. You can add JSON Schema properties for items
#       using the extra property `items`
#     - color: string that must match ^#[0-9a-f]{6}$
# Relations:
#     - We have the following types: `relation`, `relation-list`, `generic-relation`
#       and `generic-relation-list`.
#     - Non-generic relations: The simple syntax for such a field
#       `to: <collection>/<field>`. This is a reference to a collection. The reverse
#       relation field in this collection is <field>. E. g. in a motion the field
#       `category_id` links to one category where the field `motion_ids` contains the
#       motion id. The simple notation for the field is `motion_category/motion_ids`.
#       The reverse field has type `relation-list` and is related back to
#       `motion/category_id`. The type indicates that there are many
#       motion ids.
#     - Generic relations: The difference to non-generic relations is that you have a
#       list of possible fields, so `to` can either hold multiple collections (if the
#       field name is the same):
#         to:
#           collections:
#             - agenda_item
#             - assignment
#             - ...
#           field: tag_ids
#       Or `to` can be a list of collection fields:
#         to:
#           - motion/option_ids
#           - user/option_$_ids
#     - on_delete: This fields determines what should happen with the foreign model if
#       this model gets deleted. Possible values are:
#           - SET_NULL (default): delete the id from the foreign key
#           - PROTECT: if the foreign key is not empty, throw an error instead of
#                      deleting the object
#           - CASCADE: also delete all models in this foreign key
# Structured fields:
#     - There are template fields (see autoupdate service interface) with a `$` as
#       the placeholder.
#     - The type `template` describes a structured field for the given model. If the
#       property `replacement_collection` is given, it describes which model the
#       replacement ids are belonging to (=> structured relation). If it is not given,
#       the field is a structured tag. The property `fields` contains the definition
#       for all the fields that come from the template field.
# JSON Schema Properties:
#     - You can add JSON Schema properties to the fields like `enum`, `description`,
#       `maxLength` and `minimum`
# Additional properties:
#     - The property `read_only` describes a field that can not be changed by an action.
#     - The property `default` describes the default value that is used for new objects.
#     - The property `required` describes that this field can not be null or an empty
#       string. If this field is given it must have some content.
#     - The property `equal_fields` describes fields that must have the same value in
#       the instance and the related instance.

organization:
  id: number
  name: string
  description: HTMLStrict

  # Settings (configurable by the client)
  legal_notice: string
  privacy_policy: string
  login_text: string
  theme: string
  reset_password_verbose_errors: boolean

  # Configuration (only for the server owner)
  enable_electronic_voting:
    type: boolean

  committee_ids:
    type: relation-list
    to: committee/organization_id
  resource_ids:
    type: relation-list
    to: resource/organization_id
  organization_tag_ids:
    type: relation-list
    to: organization_tag/organization_id

user:
  id: number
  username:
    type: string
    required: true
  title: string
  first_name: string
  last_name: string
  is_active: boolean
  is_physical_person:
    type: boolean
    default: true
  password: string
  default_password: string
  can_change_own_password:
    type: boolean
    default: true
  gender: string
  email: string
  default_number: string
  default_structure_level: string
  default_vote_weight:
    type: decimal(6)
    default: "1.000000"
  last_email_send: timestamp
  is_demo_user:
    type: boolean

  # Organization, meeting and committee
  organization_management_level:
    type: string
    description: Hierarchical permission level for the whole organization.
    enum:
    - superadmin
    - can_manage_organization
    - can_manage_users
  is_present_in_meeting_ids:
    type: relation-list
    to: meeting/present_user_ids
  committee_ids:
    type: relation-list
    to: committee/user_ids

  # committee specific permissions
  committee_$_management_level:
    type: template
    replacement_collection: committee
    description: Hierarchical permission level for the each committee organization.
    fields:
      type: string
      enum:
      - can_manage

  # Meeting specific personal data
  comment_$:
    type: template
    replacement_collection: meeting
    fields: HTMLStrict
  number_$:
    type: template
    replacement_collection: meeting
    fields: string
  structure_level_$:
    type: template
    replacement_collection: meeting
    fields: string
  about_me_$:
    type: template
    replacement_collection: meeting
    fields: HTMLStrict
  vote_weight_$:
    type: template
    replacement_collection: meeting
    fields: decimal(6)

  # All foreign keys are meeting-specific:
  # - Keys are smaller (Space is in O(n^2) for n keys
  #   in the relation), so this saves storagespace
  # - This makes quering things like this possible:
  #   "Give me all groups for User X in Meeting Y" without
  #   the need to get all groups and filter them for the meeting
  group_$_ids:
    type: template
    replacement_collection: meeting
    fields:
      type: relation-list
      to: group/user_ids
  speaker_$_ids:
    type: template
    replacement_collection: meeting
    fields:
      type: relation-list
      to: speaker/user_id
  personal_note_$_ids:
    type: template
    replacement_collection: meeting
    fields:
      type: relation-list
      to: personal_note/user_id
    on_delete: CASCADE
  supported_motion_$_ids:
    type: template
    replacement_collection: meeting
    fields:
      type: relation-list
      to: motion/supporter_ids
  submitted_motion_$_ids:
    type: template
    replacement_collection: meeting
    fields:
      type: relation-list
      to: motion_submitter/user_id
  poll_voted_$_ids:
    type: template
    replacement_collection: meeting
    fields:
      type: relation-list
      to: poll/voted_ids
  option_$_ids:
    type: template
    replacement_collection: meeting
    fields:
      type: relation-list
      to: option/content_object_id
  vote_$_ids:
    type: template
    replacement_collection: meeting
    fields:
      type: relation-list
      to: vote/user_id
  vote_delegated_vote_$_ids:
    type: template
    replacement_collection: meeting
    fields:
      type: relation-list
      to: vote/delegated_user_id
  assignment_candidate_$_ids:
    type: template
    replacement_collection: meeting
    fields:
      type: relation-list
      to: assignment_candidate/user_id
  projection_$_ids:
    type: template
    replacement_collection: meeting
    fields:
      type: relation-list
      to: projection/content_object_id
  vote_delegated_$_to_id:
    type: template
    replacement_collection: meeting
    fields:
      type: relation
      to: user/vote_delegations_$_from_ids
  vote_delegations_$_from_ids:
    type: template
    replacement_collection: meeting
    fields:
      type: relation-list
      to: user/vote_delegated_$_to_id

  meeting_ids:
    type: number[]
    description: Calculated. All ids from group_$_ids as integers.
    read_only: true

# New: Resource
# Resources are organsation wide "mediafiles", like logos for the organisatio or
# organization-wide fonts. Therefore, no permission checks are done and the user
# must not be logged in to retrieve files. A resource has a token, e.g. `web_header`
# or `pdf_font_italic`, so the client knowns, where to put the resource.
resource:
  id: number
  token: string
  filesize: number
  mimetype: string

  organization_id:
    type: relation
    to: organization/resource_ids

organization_tag:
  id: number
  name:
    type: string
    required: True
  color:
    type: color
    required: True

  tagged_ids:
    type: generic-relation-list
    to:
      collections:
        - committee
        - meeting
      field: organization_tag_ids
  organization_id:
    type: relation
    to: organization/organization_tag_ids

committee:
  id: number
  name:
    type: string
    required: true
  description: HTMLStrict

  meeting_ids:
    type: relation-list
    to: meeting/committee_id
    on_delete: PROTECT
  template_meeting_id:
    type: relation
    to: meeting/template_for_committee_id
  default_meeting_id:
    type: relation
    to: meeting/default_meeting_for_committee_id
  user_ids:
    type: relation-list
    to: user/committee_ids
  forward_to_committee_ids:
    type: relation-list
    to: committee/receive_forwardings_from_committee_ids
  receive_forwardings_from_committee_ids:
    type: relation-list
    to: committee/forward_to_committee_ids
  organization_tag_ids:
    type: relation-list
    to: organization_tag/tagged_ids
  organization_id:
    type: relation
    to: organization/committee_ids
    required: true

meeting:
  id: number
  welcome_title:
    type: string
    default: Welcome to OpenSlides
  welcome_text:
    type: HTMLPermissive
    default: Space for your welcome text.

  # General
  name:
    type: string
    maxLength: 100
    default: OpenSlides
  description:
    type: string
    maxLength: 100
    default: Presentation and assembly system
  location: string
  start_time: timestamp
  end_time: timestamp
  imported_at: timestamp

  # Configuration (only for the server owner)
  jitsi_domain:
    type: string
  jitsi_room_name:
    type: string
  jitsi_room_password:
    type: string
  enable_chat:
    type: boolean

  # System
  url_name:
    type: string
    description: For unique urls.
  template_for_committee_id:
    type: relation
    to: committee/template_meeting_id
  enable_anonymous:
    type: boolean
    default: False
  custom_translations: JSON

  # Jitsi/Livestream settings
  conference_show:
    type: boolean
    default: False
  conference_auto_connect:
    type: boolean
    default: False
  conference_los_restriction:
    type: boolean
    default: False
  conference_stream_url: string
  conference_stream_poster_url: string
  conference_open_microphone:
    type: boolean
    default: False
  conference_open_video:
    type: boolean
    default: False
  conference_auto_connect_next_speakers:
    type: number
    default: 0
  conference_enable_helpdesk:
    type: boolean
    default: False
  applause_enable:
    type: boolean
    default: False
  applause_type:
    type: string
    enum:
      - applause-type-bar
      - applause-type-particles
    default: applause-type-bar
  applause_show_level:
    type: boolean
    default: False
  applause_min_amount:
    type: number
    default: 1
    minimum: 0
  applause_max_amount:
    type: number
    default: 0
    minimum: 0
  applause_timeout:
    type: number
    default: 5
    minimum: 0
  applause_particle_image_url:
    type: string

  # Projector countdown
  projector_countdown_default_time:
    type: number
    default: 60
    required: true
  projector_countdown_warning_time:
    type: number
    minimum: 0
    default: 0
    required: true

  # Exports
  export_csv_encoding:
    type: string
    enum:
    - utf-8
    - iso-8859-15
    default: utf-8
  export_csv_separator:
    type: string
    default: ","
  export_pdf_pagenumber_alignment:
    type: string
    enum:
    - left
    - right
    - center
    default: center
  export_pdf_fontsize:
    type: number
    enum:
    - 10
    - 11
    - 12
    default: 10
  export_pdf_pagesize:
    type: string
    enum:
    - A4
    - A5
    default: A4

  # Agenda
  agenda_show_subtitles:
    type: boolean
    default: False
  agenda_enable_numbering:
     type: boolean
     default: True
  agenda_number_prefix:
    type: string
    maxLength: 20
  agenda_numeral_system:
    type: string
    enum:
    - arabic
    - roman
    default: arabic
  agenda_item_creation:
    type: string
    enum:
    - always
    - never
    - default_yes
    - default_no
    default: default_yes
  agenda_new_items_default_visibility:
    type: string
    enum:
    - common
    - internal
    - hidden
    default: internal
  agenda_show_internal_items_on_projector:
    type: boolean
    default: True

  # List of speakers
  list_of_speakers_amount_last_on_projector:
    type: number
    minimum: 0
    default: 0
  list_of_speakers_amount_next_on_projector:
    type: number
    default: -1
  list_of_speakers_couple_countdown:
    type: boolean
    default: True
  list_of_speakers_show_amount_of_speakers_on_slide:
    type: boolean
    default: True
  list_of_speakers_present_users_only:
    type: boolean
    default: False
  list_of_speakers_show_first_contribution:
    type: boolean
    default: False
  list_of_speakers_enable_point_of_order_speakers:
    type: boolean
    default: False
  list_of_speakers_enable_pro_contra_speech:
    type: boolean
    default: False
  list_of_speakers_can_set_contribution_self:
    type: boolean
    default: False
  list_of_speakers_speaker_note_for_everyone:
    type: boolean
    default: False
  list_of_speakers_initially_closed:
    type: boolean
    default: False


  # Motions
  motions_default_workflow_id:
    type: relation
    to: motion_workflow/default_workflow_meeting_id
    required: true
  motions_default_amendment_workflow_id:
    type: relation
    to: motion_workflow/default_amendment_workflow_meeting_id
    required: true
  motions_default_statute_amendment_workflow_id:
    type: relation
    to: motion_workflow/default_statute_amendment_workflow_meeting_id
    required: true
  motions_preamble:
    type: string
    default: "The assembly may decide"
  motions_default_line_numbering:
    type: string
    enum:
    - outside
    - inline
    - none
    default: outside
  motions_line_length:
    type: number
    minimum: 40
    default: 85
  motions_reason_required:
    type: boolean
    default: False
  motions_enable_text_on_projector:
    type: boolean
    default: True
  motions_enable_reason_on_projector:
    type: boolean
    default: True
  motions_enable_sidebox_on_projector:
    type: boolean
    default: False
  motions_enable_recommendation_on_projector:
    type: boolean
    default: True
  motions_show_referring_motions:
    type: boolean
    default: True
  motions_show_sequential_number:
    type: boolean
    default: True
  motions_recommendations_by:
    type: string
  motions_statute_recommendations_by: string
  motions_recommendation_text_mode:
    type: string
    enum:
    - original
    - changed
    - diff
    - agreed
    default: diff
  motions_default_sorting:
    type: string
    default: identifier
  motions_number_type:
    type: string
    enum:
    - per_category
    - serially_numbered
    - manually
    default: per_category
  motions_number_min_digits:
    type: number
    default: 1
  motions_number_with_blank:
    type: boolean
    default: False
  motions_statutes_enabled:
    type: boolean
    default: False
  motions_amendments_enabled:
    type: boolean
    default: False
  motions_amendments_in_main_list:
    type: boolean
    default: True
  motions_amendments_of_amendments:
    type: boolean
    default: False
  motions_amendments_prefix:
    type: string
  motions_amendments_text_mode:
    type: string
    enum:
    - freestyle
    - fulltext
    - paragraph
    default: paragraph
  motions_amendments_multiple_paragraphs:
    type: boolean
    default: True
  motions_supporters_min_amount:
    type: number
    minimum: 0
    default: 0
  motions_export_title:
    type: string
    default: Motions
  motions_export_preamble: string
  motions_export_submitter_recommendation:
    type: boolean
    default: False
  motions_export_follow_recommendation:
    type: boolean
    default: False

  # Motion poll
  motion_poll_ballot_paper_selection:
    type: string
    enum:
    - NUMBER_OF_DELEGATES
    - NUMBER_OF_ALL_PARTICIPANTS
    - CUSTOM_NUMBER
    default: CUSTOM_NUMBER
  motion_poll_ballot_paper_number: number
  motion_poll_default_type:
    type: string
    default: analog
  motion_poll_default_100_percent_base:
    type: string
    default: YNA
  motion_poll_default_majority_method: string
  motion_poll_default_group_ids:
    type: relation-list
    to: group/used_as_motion_poll_default_id

  # Users
  users_sort_by:
    type: string
    enum:
    - first_name
    - last_name
    - number
    default: first_name
  users_enable_presence_view:
    type: boolean
    default: False
  users_enable_vote_weight:
    type: boolean
    default: False
  users_allow_self_set_present:
    type: boolean
    default: False
  users_pdf_welcometitle:
    type: string
    default: Welcome to OpenSlides
  users_pdf_welcometext:
    type: string
    default: [Place for your welcome and help text.]
  users_pdf_url:
    type: string
    default: http://example.com:8000
  users_pdf_wlan_ssid: string
  users_pdf_wlan_password: string
  users_pdf_wlan_encryption:
    type: string
    enum:
    - ""
    - WEP
    - WPA
    - nopass
  users_email_sender:
    type: string
    default: OpenSlides
  users_email_replyto: string
  users_email_subject:
    type: string
    default: OpenSlides access data
  users_email_body: string

  # Assignments
  assignments_export_title:
    type: string
    default: Elections
  assignments_export_preamble:
    type: string

  # Assignment polls
  assignment_poll_ballot_paper_selection:
    type: string
    enum:
    - NUMBER_OF_DELEGATES
    - NUMBER_OF_ALL_PARTICIPANTS
    - CUSTOM_NUMBER
    default: CUSTOM_NUMBER
  assignment_poll_ballot_paper_number:
    type: number
    default: 8
  assignment_poll_add_candidates_to_list_of_speakers:
    type: boolean
    default: True
  assignment_poll_sort_poll_result_by_votes:
    type: boolean
    default: True
  assignment_poll_default_type:
    type: string
    default: analog
  assignment_poll_default_method: string
  assignment_poll_default_100_percent_base:
    type: string
    default: YNA
  assignment_poll_default_majority_method: string
  assignment_poll_default_group_ids:
    type: relation-list
    to: group/used_as_assignment_poll_default_id

  # Polls
  poll_ballot_paper_selection:
    type: string
    enum:
    - NUMBER_OF_DELEGATES
    - NUMBER_OF_ALL_PARTICIPANTS
    - CUSTOM_NUMBER
  poll_ballot_paper_number: number
  poll_sort_poll_result_by_votes: boolean
  poll_default_type:
    type: string
    default: analog
  poll_default_method: string
  poll_default_100_percent_base:
    type: string
    default: YNA
  poll_default_majority_method: string
  poll_default_group_ids:
    type: relation-list
    to: group/used_as_poll_default_id
  poll_couple_countdown:
    type: boolean
    default: True

  # Relations
  projector_ids:
    type: relation-list
    to: projector/meeting_id
    on_delete: CASCADE
  all_projection_ids:
    type: relation-list
    to: projection/meeting_id
    on_delete: CASCADE
  projector_message_ids:
    type: relation-list
    to: projector_message/meeting_id
    on_delete: CASCADE
  projector_countdown_ids:
    type: relation-list
    to: projector_countdown/meeting_id
    on_delete: CASCADE
  tag_ids:
    type: relation-list
    to: tag/meeting_id
    on_delete: CASCADE
  agenda_item_ids:
    type: relation-list
    to: agenda_item/meeting_id
    on_delete: CASCADE
  list_of_speakers_ids:
    type: relation-list
    to: list_of_speakers/meeting_id
    on_delete: CASCADE
  speaker_ids:
    type: relation-list
    to: speaker/meeting_id
    on_delete: CASCADE
  topic_ids:
    type: relation-list
    to: topic/meeting_id
    on_delete: CASCADE
  group_ids:
    type: relation-list
    to: group/meeting_id
    on_delete: CASCADE
  mediafile_ids:
    type: relation-list
    to: mediafile/meeting_id
    on_delete: CASCADE
  motion_ids:
    type: relation-list
    to: motion/meeting_id
    on_delete: CASCADE
  motion_comment_section_ids:
    type: relation-list
    to: motion_comment_section/meeting_id
    on_delete: CASCADE
  motion_category_ids:
    type: relation-list
    to: motion_category/meeting_id
    on_delete: CASCADE
  motion_block_ids:
    type: relation-list
    to: motion_block/meeting_id
    on_delete: CASCADE
  motion_workflow_ids:
    type: relation-list
    to: motion_workflow/meeting_id
    on_delete: CASCADE
  motion_statute_paragraph_ids:
    type: relation-list
    to: motion_statute_paragraph/meeting_id
    on_delete: CASCADE
  motion_comment_ids:
    type: relation-list
    to: motion_comment/meeting_id
    on_delete: CASCADE
  motion_submitter_ids:
    type: relation-list
    to: motion_submitter/meeting_id
    on_delete: CASCADE
  motion_change_recommendation_ids:
    type: relation-list
    to: motion_change_recommendation/meeting_id
    on_delete: CASCADE
  motion_state_ids:
    type: relation-list
    to: motion_state/meeting_id
    on_delete: CASCADE
  poll_ids:
    type: relation-list
    to: poll/meeting_id
    on_delete: CASCADE
  option_ids:
    type: relation-list
    to: option/meeting_id
    on_delete: CASCADE
  vote_ids:
    type: relation-list
    to: vote/meeting_id
    on_delete: CASCADE
  assignment_ids:
    type: relation-list
    to: assignment/meeting_id
    on_delete: CASCADE
  assignment_candidate_ids:
    type: relation-list
    to: assignment_candidate/meeting_id
    on_delete: CASCADE
  personal_note_ids:
    type: relation-list
    to: personal_note/meeting_id
    on_delete: CASCADE
  chat_group_ids:
    type: relation-list
    to: chat_group/meeting_id
    on_delete: CASCADE

  # Logos and Fonts
  logo_$_id:
    type: template
    fields:
      type: relation
      to: mediafile/used_as_logo_$_in_meeting_id
  font_$_id:
    type: template
    fields:
      type: relation
      to: mediafile/used_as_font_$_in_meeting_id
  # The client can define these resources. There is no need
  # to have whitelist/blacklist on the server. The places must
  # be checked: They must match `[a-z]([a-z_]*[a-z])?` and must
  # not be longer than 32 characters.

  # Other relations
  committee_id:
    type: relation
    to: committee/meeting_ids
    required: true
  default_meeting_for_committee_id:
    type: relation
    to: committee/default_meeting_id
  organization_tag_ids:
    type: relation-list
    to: organization_tag/tagged_ids
  present_user_ids:
    type: relation-list
    to: user/is_present_in_meeting_ids
  user_ids:
    type: number[]
    description: Calculated. All user ids from all users assigned to groups of this meeting.
    read_only: true
  reference_projector_id:
    type: relation
    to: projector/used_as_reference_projector_meeting_id
    required: true
  list_of_speakers_countdown_id:
    type: relation
    to: projector_countdown/used_as_list_of_speaker_countdown_meeting_id
  poll_countdown_id:
    type: relation
    to: projector_countdown/used_as_poll_countdown_meeting_id

  default_projector_$_id:
    type: template
    fields:
      type: relation
      to: projector/used_as_default_$_in_meeting_id
  # Available template field replacements:
  #  - agenda_all_items
  #  - topics
  #  - list_of_speakers
  #  - current_list_of_speakers
  #  - motion
  #  - amendment
  #  - motion_block
  #  - assignment
  #  - user
  #  - mediafile
  #  - projector_message
  #  - projector_countdowns
  #  - assignment_poll
  #  - motion_poll
  #  - poll
  projection_ids:
    type: relation-list
    to: projection/content_object_id

  default_group_id:
    type: relation
    to: group/default_group_for_meeting_id
    required: true
  admin_group_id:
    type: relation
    to: group/admin_group_for_meeting_id

group:
  id: number
  name:
    type: string
    required: true
  permissions:
    type: string[]
    items:
      enum:
      - agenda_item.can_manage
      - agenda_item.can_see
      - agenda_item.can_see_internal
      - assignment.can_manage
      - assignment.can_nominate_other
      - assignment.can_nominate_self
      - assignment.can_see
      - chat.can_manage
      - list_of_speakers.can_be_speaker
      - list_of_speakers.can_manage
      - list_of_speakers.can_see
      - mediafile.can_manage
      - mediafile.can_see
      - meeting.can_manage_logos_and_fonts
      - meeting.can_manage_settings
      - meeting.can_see_autopilot
      - meeting.can_see_frontpage
      - meeting.can_see_history
      - meeting.can_see_livestream
      - motion.can_create
      - motion.can_create_amendments
      - motion.can_manage
      - motion.can_manage_metadata
      - motion.can_manage_polls
      - motion.can_see
      - motion.can_see_internal
      - motion.can_support
      - poll.can_manage
      - projector.can_manage
      - projector.can_see
      - tag.can_manage
      - user.can_manage
      - user.can_see
      - user.can_see_extra_data


  user_ids:
    type: relation-list
    to: user/group_$_ids
  default_group_for_meeting_id:
    type: relation
    to: meeting/default_group_id
    on_delete: PROTECT
  admin_group_for_meeting_id:
    type: relation
    to: meeting/admin_group_id
    on_delete: PROTECT
  mediafile_access_group_ids:
    type: relation-list
    to: mediafile/access_group_ids
    equal_fields: meeting_id
  mediafile_inherited_access_group_ids:
    type: relation-list
    to: mediafile/inherited_access_group_ids
    description: Calculated field.
    read_only: true
  read_comment_section_ids:
    type: relation-list
    to: motion_comment_section/read_group_ids
    equal_fields: meeting_id
  write_comment_section_ids:
    type: relation-list
    to: motion_comment_section/write_group_ids
    equal_fields: meeting_id
  read_chat_group_ids:
    type: relation-list
    to: chat_group/read_group_ids
    equal_fields: meeting_id
  write_chat_group_ids:
    type: relation-list
    to: chat_group/write_group_ids
    equal_fields: meeting_id
  poll_ids:
    type: relation-list
    to: poll/entitled_group_ids
    equal_fields: meeting_id
  used_as_motion_poll_default_id:
    type: relation
    to: meeting/motion_poll_default_group_ids
  used_as_assignment_poll_default_id:
    type: relation
    to: meeting/assignment_poll_default_group_ids
  used_as_poll_default_id:
    type: relation
    to: meeting/poll_default_group_ids
  meeting_id:
    type: relation
    to: meeting/group_ids
    required: true

personal_note:
  id: number
  note: HTMLStrict
  star: boolean

  user_id:
    type: relation
    to: user/personal_note_$_ids
  content_object_id:
    type: generic-relation
    to:
      collections:
        - motion
      field: personal_note_ids
    equal_fields: meeting_id
  meeting_id:
    type: relation
    to: meeting/personal_note_ids
    required: true

tag:
  id: number
  name:
    type: string
    required: true

  tagged_ids:
    type: generic-relation-list
    to:
      collections:
        - agenda_item
        - assignment
        - motion
        - topic
      field: tag_ids
    equal_fields: meeting_id
  meeting_id:
    type: relation
    to: meeting/tag_ids
    required: true

agenda_item:
  id: number
  item_number: string
  comment: string
  closed:
      type: boolean
      default: false
  type:
    type: string
    enum:
    - common
    - internal
    - hidden
    default: common
  duration:
    type: number
    description: Given in seconds
    minimum: 0
  is_internal:
    type: boolean
    description: Calculated by the server
    read_only: true
  is_hidden:
    type: boolean
    description: Calculated by the server
    read_only: true
  level:
    type: number
    description: Calculated by the server
    read_only: true
  weight:
    type: number
    default: 10000

  content_object_id:
    type: generic-relation
    to:
      collections:
        - motion
        - motion_block
        - assignment
        - topic
      field: agenda_item_id
    required: true
    equal_fields: meeting_id
  parent_id:
    type: relation
    to: agenda_item/child_ids
    equal_fields: meeting_id
  child_ids:
    type: relation-list
    to: agenda_item/parent_id
    equal_fields: meeting_id
  tag_ids:
    type: relation-list
    to: tag/tagged_ids
    equal_fields: meeting_id
  projection_ids:
    type: relation-list
    to: projection/content_object_id
    equal_fields: meeting_id
  meeting_id:
    type: relation
    to: meeting/agenda_item_ids
    required: true

list_of_speakers:
  id: number
  closed:
    type: boolean
    default: false

  content_object_id:
    type: generic-relation
    to:
      collections:
        - motion
        - motion_block
        - assignment
        - topic
        - mediafile
      field: list_of_speakers_id
    required: true
    equal_fields: meeting_id
  speaker_ids:
    type: relation-list
    to: speaker/list_of_speakers_id
    on_delete: CASCADE
    equal_fields: meeting_id
  projection_ids:
    type: relation-list
    to: projection/content_object_id
    equal_fields: meeting_id
  meeting_id:
    type: relation
    to: meeting/list_of_speakers_ids
    required: true

speaker:
  id: number
  begin_time:
    type: timestamp
    read_only: true
  end_time:
    type: timestamp
    read_only: true
  weight:
    type: number
    default: 10000
  speech_state:
    type: string
    enum:
      - contribution
      - pro
      - contra
  note:
    type: string
    maxLength: 250
  point_of_order: boolean

  list_of_speakers_id:
    type: relation
    to: list_of_speakers/speaker_ids
    required: true
    equal_fields: meeting_id
  user_id:
    type: relation
    to: user/speaker_$_ids
    required: true
    equal_fields: meeting_id
  meeting_id:
    type: relation
    to: meeting/speaker_ids
    required: true

topic:
  id: number
  title:
    type: string
    required: true
  text: HTMLPermissive

  attachment_ids:
    type: relation-list
    to: mediafile/attachment_ids
    equal_fields: meeting_id
  agenda_item_id:
    type: relation
    to: agenda_item/content_object_id
    required: true
    on_delete: CASCADE
    equal_fields: meeting_id
  list_of_speakers_id:
    type: relation
    to: list_of_speakers/content_object_id
    required: true
    on_delete: CASCADE
    equal_fields: meeting_id
  option_ids:
    type: relation-list
    to: option/content_object_id
    on_delete: CASCADE
    equal_fields: meeting_id
  tag_ids:
    type: relation-list
    to: tag/tagged_ids
    equal_fields: meeting_id
  projection_ids:
    type: relation-list
    to: projection/content_object_id
    equal_fields: meeting_id
  meeting_id:
    type: relation
    to: meeting/topic_ids
    required: true

motion:
  id: number
  number: string
  number_value:
    type: number
    description: The number value of this motion. This number is auto-generated and read-only.
    read_only: true
  sequential_number:
    type: number
    description: The (positive) serial number of this motion. This number is auto-generated and read-only.
    read_only: true
  title:
    type: string
    required: true
  text: HTMLStrict
  amendment_paragraph_$:
    type: template
    fields: HTMLStrict
  modified_final_version: HTMLStrict
  reason: HTMLStrict
  category_weight:
    type: number
    default: 10000
  state_extension: string
  recommendation_extension: string
  sort_weight:
    type: number
    default: 10000
  created:
    type: timestamp
    read_only: true
  last_modified:
    type: timestamp
    read_only: true

  lead_motion_id:
    type: relation
    to: motion/amendment_ids
    equal_fields: meeting_id
  amendment_ids:
    type: relation-list
    to: motion/lead_motion_id
    equal_fields: meeting_id
  sort_parent_id:
    type: relation
    to: motion/sort_child_ids
    equal_fields: meeting_id
  sort_child_ids:
    type: relation-list
    to: motion/sort_parent_id
    equal_fields: meeting_id
  origin_id:
    type: relation
    to: motion/derived_motion_ids  # Note: The related motions may not be in the same meeting
  derived_motion_ids:
    type: relation-list
    to: motion/origin_id  # Note: The related motions may not be in the same meeting
  all_origin_ids: number[]  # Calculated: All parents (origin_id), grandparents, etc. of this motion.
  all_derived_motion_ids: number[]  # Calculated: All children (derived_motion_ids), grandchildren, etc. of this motion.
  state_id:
    type: relation
    to: motion_state/motion_ids
    required: true
    equal_fields: meeting_id
  recommendation_id:
    type: relation
    to: motion_state/motion_recommendation_ids
    equal_fields: meeting_id
  recommendation_extension_reference_ids:
    type: generic-relation-list
    to:
      collections:
        - motion
      field: referenced_in_motion_recommendation_extension_ids
    equal_fields: meeting_id
  referenced_in_motion_recommendation_extension_ids:
    type: relation-list
    to: motion/recommendation_extension_reference_ids
    equal_fields: meeting_id
  category_id:
    type: relation
    to: motion_category/motion_ids
    equal_fields: meeting_id
  block_id:
    type: relation
    to: motion_block/motion_ids
    equal_fields: meeting_id
  submitter_ids:
    type: relation-list
    to: motion_submitter/motion_id
    on_delete: CASCADE
    equal_fields: meeting_id
  supporter_ids:
    type: relation-list
    to: user/supported_motion_$_ids
  poll_ids:
    type: relation-list
    to: poll/content_object_id
    on_delete: CASCADE
    equal_fields: meeting_id
  option_ids:
    type: relation-list
    to: option/content_object_id
    on_delete: CASCADE
    equal_fields: meeting_id
  change_recommendation_ids:
    type: relation-list
    to: motion_change_recommendation/motion_id
    on_delete: CASCADE
    equal_fields: meeting_id
  statute_paragraph_id:
    type: relation
    to: motion_statute_paragraph/motion_ids
    equal_fields: meeting_id
  comment_ids:
    type: relation-list
    to: motion_comment/motion_id
    on_delete: CASCADE
    equal_fields: meeting_id
  agenda_item_id:
    type: relation
    to: agenda_item/content_object_id
    on_delete: CASCADE
    equal_fields: meeting_id
  list_of_speakers_id:
    type: relation
    to: list_of_speakers/content_object_id
    required: true
    on_delete: CASCADE
    equal_fields: meeting_id
  tag_ids:
    type: relation-list
    to: tag/tagged_ids
    equal_fields: meeting_id
  attachment_ids:
    type: relation-list
    to: mediafile/attachment_ids
    equal_fields: meeting_id
  projection_ids:
    type: relation-list
    to: projection/content_object_id
    equal_fields: meeting_id
  personal_note_ids:
    type: relation-list
    to: personal_note/content_object_id
    equal_fields: meeting_id
    on_delete: CASCADE
  meeting_id:
    type: relation
    to: meeting/motion_ids
    required: true

motion_submitter:
  id: number
  weight:
    type: number
    default: 10000

  user_id:
    type: relation
    to: user/submitted_motion_$_ids
  motion_id:
    type: relation
    to: motion/submitter_ids
    equal_fields: meeting_id
  meeting_id:
    type: relation
    to: meeting/motion_submitter_ids
    required: true

motion_comment:
  id: number
  comment: HTMLStrict

  motion_id:
    type: relation
    to: motion/comment_ids
    required: true
    equal_fields: meeting_id
  section_id:
    type: relation
    to: motion_comment_section/comment_ids
    required: true
    equal_fields: meeting_id
  meeting_id:
    type: relation
    to: meeting/motion_comment_ids
    required: true

motion_comment_section:
  id: number
  name:
    type: string
    required: true
  weight:
    type: number
    default: 10000

  comment_ids:
    type: relation-list
    to: motion_comment/section_id
    on_delete: PROTECT
    equal_fields: meeting_id
  read_group_ids:
    type: relation-list
    to: group/read_comment_section_ids
    equal_fields: meeting_id
  write_group_ids:
    type: relation-list
    to: group/write_comment_section_ids
    equal_fields: meeting_id
  meeting_id:
    type: relation
    to: meeting/motion_comment_section_ids
    required: true

motion_category:
  id: number
  name:
    type: string
    required: true
  prefix:
    type: string
  weight:
    type: number
    default: 10000
  level:
    type: number
    description: Calculated field.
    read_only: true

  parent_id:
    type: relation
    to: motion_category/child_ids
    equal_fields: meeting_id
  child_ids:
    type: relation-list
    to: motion_category/parent_id
    equal_fields: meeting_id
  motion_ids:
    type: relation-list
    to: motion/category_id
    equal_fields: meeting_id
  meeting_id:
    type: relation
    to: meeting/motion_category_ids
    required: true

motion_block:
  id: number
  title:
    type: string
    required: true
  internal: boolean

  motion_ids:
    type: relation-list
    to: motion/block_id
    equal_fields: meeting_id
  agenda_item_id:
    type: relation
    to: agenda_item/content_object_id
    on_delete: CASCADE
    equal_fields: meeting_id
  list_of_speakers_id:
    type: relation
    to: list_of_speakers/content_object_id
    required: true
    on_delete: CASCADE
    equal_fields: meeting_id
  projection_ids:
    type: relation-list
    to: projection/content_object_id
    equal_fields: meeting_id
  meeting_id:
    type: relation
    to: meeting/motion_block_ids
    required: true

motion_change_recommendation:
  id: number
  rejected:
    type: boolean
    default: false
  internal:
    type: boolean
    default: false
  type:
    type: string
    enum:
    - replacement
    - insertion
    - deletion
    - other
    default: replacement
  other_description: string
  line_from:
    type: number
    minimum: 0
  line_to:
    type: number
    minimum: 0
  text: HTMLStrict
  creation_time:
    type: timestamp
    read_only: true

  motion_id:
    type: relation
    to: motion/change_recommendation_ids
    required: true
    equal_fields: meeting_id
  meeting_id:
    type: relation
    to: meeting/motion_change_recommendation_ids
    required: true

motion_state:
  id: number
  name:
    type: string
    required: true
  recommendation_label: string
  css_class:
    type: string
    enum:
    - grey
    - red
    - green
    - lightblue
    - yellow
    default: lightblue
    required: true
  restrictions:
    type: string[]
    items:
      enum:
      - motion.can_see_internal
      - motion.can_manage_metadata
      - motion.can_manage
      - is_submitter
    default: []
  allow_support:
    type: boolean
    default: false
  allow_create_poll:
    type: boolean
    default: false
  allow_submitter_edit:
    type: boolean
    default: false
  set_number:
    type: boolean
    default: true
  show_state_extension_field:
    type: boolean
    default: false
  merge_amendment_into_final:
    type: string
    enum:
    - do_not_merge
    - undefined
    - do_merge
    default: undefined
  show_recommendation_extension_field:
    type: boolean
    default: false

  next_state_ids:
    type: relation-list
    to: motion_state/previous_state_ids
    equal_fields:
    - meeting_id
    - workflow_id
  previous_state_ids:
    type: relation-list
    to: motion_state/next_state_ids
    equal_fields:
    - meeting_id
    - workflow_id
  motion_ids:
    type: relation-list
    to: motion/state_id
    on_delete: PROTECT
    equal_fields: meeting_id
  motion_recommendation_ids:
    type: relation-list
    to: motion/recommendation_id
    equal_fields: meeting_id
  workflow_id:
    type: relation
    to: motion_workflow/state_ids
    required: true
    equal_fields: meeting_id
  first_state_of_workflow_id:
    type: relation
    to: motion_workflow/first_state_id
    on_delete: PROTECT
    equal_fields: meeting_id
  meeting_id:
    type: relation
    to: meeting/motion_state_ids
    required: true

motion_workflow:
  id: number
  name:
    type: string
    required: true

  state_ids:
    type: relation-list
    to: motion_state/workflow_id
    on_delete: CASCADE
    equal_fields: meeting_id
  first_state_id:
    type: relation
    to: motion_state/first_state_of_workflow_id
    required: true
    equal_fields: meeting_id
  default_workflow_meeting_id:
    type: relation
    to: meeting/motions_default_workflow_id
  default_amendment_workflow_meeting_id:
    type: relation
    to: meeting/motions_default_amendment_workflow_id
  default_statute_amendment_workflow_meeting_id:
    type: relation
    to: meeting/motions_default_statute_amendment_workflow_id
  meeting_id:
    type: relation
    to: meeting/motion_workflow_ids
    required: true

motion_statute_paragraph:
  id: number
  title:
    type: string
    required: true
  text: HTMLStrict
  weight:
    type: number
    default: 10000

  motion_ids:
    type: relation-list
    to: motion/statute_paragraph_id
    equal_fields: meeting_id
  meeting_id:
    type: relation
    to: meeting/motion_statute_paragraph_ids
    required: true

poll:
  id: number
  description: string
  title:
    type: string
    required: true
  type:
    type: string
    required: true
    enum:
      - analog
      - named
      - pseudoanonymous
  backend:
    type: string
    required: True
    default: long
    enum:
      - long
      - fast
  is_pseudoanonymized: boolean
  pollmethod:
    type: string
    required: true
    enum:
      - Y
      - YN
      - YNA
      - N
  state:
    type: string
    enum:
      - created
      - started
      - finished
      - published
    default: created
  min_votes_amount:
    type: number
    default: 1
  max_votes_amount:
    type: number
    default: 1
  global_yes:
    type: boolean
    default: false
  global_no:
    type: boolean
    default: false
  global_abstain:
    type: boolean
    default: false
  onehundred_percent_base:
    type: string
    required: true
    enum:
      - Y
      - YN
      - YNA
      - N
      - valid
      - cast
      - entitled
      - disabled
    default: disabled
  majority_method:
    type: string
    required: true
    enum:
      - simple
      - two_thirds
      - three_quarters
      - disabled
    default: disabled
  votesvalid: decimal(6)
  votesinvalid: decimal(6)
  votescast: decimal(6)
  entitled_users_at_stop: JSON

  content_object_id:  # Note: must not be set - it is allowed to have standalone polls
    type: generic-relation
    to:
      collections:
        - motion
        - assignment
      field: poll_ids
    equal_fields: meeting_id
  option_ids:
    type: relation-list
    to: option/poll_id
    on_delete: CASCADE
    equal_fields: meeting_id
  global_option_id:
    type: relation
    to: option/used_as_global_option_in_poll_id
    on_delete: CASCADE
    equal_fields: meeting_id
  voted_ids:
    type: relation-list
    to: user/poll_voted_$_ids
  entitled_group_ids:
    type: relation-list
    to: group/poll_ids
    equal_fields: meeting_id
  projection_ids:
    type: relation-list
    to: projection/content_object_id
    equal_fields: meeting_id
  meeting_id:
    type: relation
    to: meeting/poll_ids

option:
  id: number
  weight:
    type: number
    default: 10000
  text: HTMLStrict
  yes: decimal(6)
  no: decimal(6)
  abstain: decimal(6)

  poll_id:
    type: relation
    to: poll/option_ids
    equal_fields: meeting_id
  used_as_global_option_in_poll_id:
    type: relation
    to: poll/global_option_id
    equal_fields: meeting_id
  vote_ids:
    type: relation-list
    to: vote/option_id
    on_delete: CASCADE
    equal_fields: meeting_id
  content_object_id:
    type: generic-relation
    to:
      - motion/option_ids
      - topic/option_ids
      - user/option_$_ids
    equal_fields: meeting_id
  meeting_id:
    type: relation
    to: meeting/option_ids
    required: true

vote:
  id: number
  weight: decimal(6)
  value: string
  user_token:
    type: string
    required: true

  option_id:
    type: relation
    to: option/vote_ids
    equal_fields: meeting_id
    required: true
  user_id:
    type: relation
    to: user/vote_$_ids
  delegated_user_id:
    type: relation
    to: user/vote_delegated_vote_$_ids
  meeting_id:
    type: relation
    to: meeting/vote_ids
    required: true

assignment:
  id: number
  title:
    type: string
    required: true
  description: HTMLStrict
  open_posts:
    type: number
    minimum: 0
    default: 0
  phase:
    type: string
    enum:
    - search
    - voting
    - finished
    default: search
  default_poll_description: string
  number_poll_candidates: boolean

  candidate_ids:
    type: relation-list
    to: assignment_candidate/assignment_id
    on_delete: CASCADE
    equal_fields: meeting_id
  poll_ids:
    type: relation-list
    to: poll/content_object_id
    on_delete: CASCADE
    equal_fields: meeting_id
  agenda_item_id:
    type: relation
    to: agenda_item/content_object_id
    on_delete: CASCADE
    equal_fields: meeting_id
  list_of_speakers_id:
    type: relation
    to: list_of_speakers/content_object_id
    required: true
    on_delete: CASCADE
    equal_fields: meeting_id
  tag_ids:
    type: relation-list
    to: tag/tagged_ids
    equal_fields: meeting_id
  attachment_ids:
    type: relation-list
    to: mediafile/attachment_ids
    equal_fields: meeting_id
  projection_ids:
    type: relation-list
    to: projection/content_object_id
    equal_fields: meeting_id
  meeting_id:
    type: relation
    to: meeting/assignment_ids
    required: true

assignment_candidate:
  id: number
  weight:
    type: number
    default: 10000

  assignment_id:
    type: relation
    to: assignment/candidate_ids
    equal_fields: meeting_id
  user_id:
    type: relation
    to: user/assignment_candidate_$_ids
  meeting_id:
    type: relation
    to: meeting/assignment_candidate_ids
    required: true

# Mediafiles are delivered by the mediafile server with the URL
# `<media-prefix>/media/<meeting_id>/path`
mediafile:
  id: number
  title:
    type: string
    description: Title and parent_id must be unique.
  is_directory: boolean
  filesize:
    type: number
    description: In bytes, not the human readable format anymore.
    read_only: true
  filename:
    type: string
    descriptin: The uploaded filename. Will be used for downloading. Only writeable on create.
  mimetype: string
  pdf_information: JSON
  create_timestamp: timestamp
  is_public:
    type: boolean
    description: "Calculated field. inherited_access_group_ids == [] can have two causes: cancelling access groups (=> is_public := false) or no access groups at all (=> is_public := true)"
    read_only: true

  inherited_access_group_ids:
    type: relation-list
    to: group/mediafile_inherited_access_group_ids
    description: Calculated field.
    read_only: true
  access_group_ids:
    type: relation-list
    to: group/mediafile_access_group_ids
    equal_fields: meeting_id
  parent_id:
    type: relation
    to: mediafile/child_ids
    equal_fields: meeting_id
  child_ids:
    type: relation-list
    to: mediafile/parent_id
    equal_fields: meeting_id
  list_of_speakers_id:
    type: relation
    to: list_of_speakers/content_object_id
    on_delete: CASCADE
    equal_fields: meeting_id
  projection_ids:
    type: relation-list
    to: projection/content_object_id
    equal_fields: meeting_id
  attachment_ids:
    type: generic-relation-list
    to:
      collections:
        - motion
        - topic
        - assignment
      field: attachment_ids
    equal_fields: meeting_id
  meeting_id:
    type: relation
    to: meeting/mediafile_ids
    required: true

  # Reverse relations for meetings, if a mediafile is used as a special resource
  used_as_logo_$_in_meeting_id:
    type: template
    fields:
      type: relation
      to: meeting/logo_$_id
  used_as_font_$_in_meeting_id:
    type: template
    fields:
      type: relation
      to: meeting/font_$_id

projector:
  id: number
  name: string
  scale:
    type: number
    default: 0
  scroll:
    type: number
    default: 0
  width:
    type: number
    minimum: 1
    default: 1200
  aspect_ratio_numerator:
    type: number
    minimum: 1
    default: 16
  aspect_ratio_denominator:
    type: number
    minimum: 1
    default: 9
  color:
    type: color
    default: "#000000"
  background_color:
    type: color
    default: "#ffffff"
  header_background_color:
    type: color
    default: "#317796"
  header_font_color:
    type: color
    default: "#f5f5f5"
  header_h1_color:
    type: color
    default: "#317796"
  chyron_background_color:
    type: color
    default: "#317796"
  chyron_font_color:
    type: color
    default: "#ffffff"
  show_header_footer:
    type: boolean
    default: true
  show_title:
    type: boolean
    default: true
  show_logo:
    type: boolean
    default: true
  show_clock:
    type: boolean
    default: true

  current_projection_ids:
    type: relation-list
    to: projection/current_projector_id
    on_delete: CASCADE
    equal_fields: meeting_id
  preview_projection_ids:
    type: relation-list
    to: projection/preview_projector_id
    equal_fields: meeting_id
  history_projection_ids:
    type: relation-list
    to: projection/history_projector_id
    equal_fields: meeting_id
  used_as_reference_projector_meeting_id:
    type: relation
    to: meeting/reference_projector_id
  used_as_default_$_in_meeting_id:
    type: template
    fields:
      type: relation
      to: meeting/default_projector_$_id
  meeting_id:
    type: relation
    to: meeting/projector_ids

# A projection is a M2M model between an element that is assigned to a
# projector. This element can either be the current one projected, in the
# preview, or in the history, but not more than one once. A projection is
# projector-specific, meaning that once a projection is created for a projector
# and element, these references will not change.
projection:
  id: number
  options: JSON
  stable:
    type: boolean
    default: false
  weight: number
  type: string

  current_projector_id:
    type: relation
    to: projector/current_projection_ids
    equal_fields: meeting_id
  preview_projector_id:
    type: relation
    to: projector/preview_projection_ids
    equal_fields: meeting_id
  history_projector_id:
    type: relation
    to: projector/history_projection_ids
    equal_fields: meeting_id
  content_object_id:
    type: generic-relation
    to:
      - meeting/projection_ids
      - motion/projection_ids
      - mediafile/projection_ids
      - list_of_speakers/projection_ids
      - motion_block/projection_ids
      - assignment/projection_ids
      - agenda_item/projection_ids
      - topic/projection_ids
      - poll/projection_ids
      - projector_message/projection_ids
      - projector_countdown/projection_ids
      - user/projection_$_ids
    equal_fields: meeting_id
  meeting_id:
    type: relation
    to: meeting/all_projection_ids
    required: true

projector_message:
  id: number
  message: HTMLStrict

  projection_ids:
    type: relation-list
    to: projection/content_object_id
    equal_fields: meeting_id
  meeting_id:
    type: relation
    to: meeting/projector_message_ids

projector_countdown:
  id: number
  title:
    type: string
    required: true
  description:
    type: string
    default: ""
  default_time:
    type: number
  countdown_time:
    type: float
    default: 60
  running:
    type: boolean
    default: false

  projection_ids:
    type: relation-list
    to: projection/content_object_id
    equal_fields: meeting_id
  used_as_list_of_speaker_countdown_meeting_id:
    type: relation
    to: meeting/list_of_speakers_countdown_id
  used_as_poll_countdown_meeting_id:
    type: relation
    to: meeting/poll_countdown_id
  meeting_id:
    type: relation
    to: meeting/projector_countdown_ids

chat_group:
  id: number
  name:
    type: string
    required: true
  weight:
    type: number
    default: 10000

  read_group_ids:
    type: relation-list
    to: group/read_chat_group_ids
    equal_fields: meeting_id
  write_group_ids:
    type: relation-list
    to: group/write_chat_group_ids
    equal_fields: meeting_id
  meeting_id:
    type: relation
    to: meeting/chat_group_ids
    required: true