scinote-web/app/datatables/teams_datatable.rb

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class TeamsDatatable < CustomDatatable
include InputSanitizeHelper
def_delegator :@view, :link_to
def_delegator :@view, :team_path
def_delegator :@view, :leave_user_team_html_path
MEMEBERS_SORT_COL = 'members'.freeze
def initialize(view, user)
super(view)
@user = user
end
def sortable_columns
@sortable_columns ||= [
'Team.name',
'UserRole.name',
MEMEBERS_SORT_COL
]
end
private
# Returns json of current items (already paginated)
def data
records.map do |record|
{
'DT_RowId': record.id,
'0': if current_user_team_role(record)&.owner?
link_to(escape_input(record.name), team_path(record))
else
escape_input(record.name)
end,
'1': escape_input(current_user_team_role(record)&.name),
'2': record.users.count,
'3': leave_team_button(record)
}
end
end
# Overwrite default pagination method as here
# we need to be able work also with arrays
def paginate_records(records)
records.to_a.drop(offset).first(per_page)
end
def load_paginator
self
end
# Overwrite default sort method to handle custom members column
# which is calculated in code and not present in DB
def sort_records(records)
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if sort_column(order_params) == MEMEBERS_SORT_COL
records = records.sort_by(&proc { |team| team.users.count })
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if order_params['dir'] == 'asc'
records
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elsif order_params['dir'] == 'desc'
records.reverse
end
elsif sort_column(order_params) == 'user_roles.name'
records_with_role = records.joins(user_assignments: :user)
.where(user_assignments: { user: @user })
.sort_by(&proc { |team| current_user_team_role(team)&.name })
records_with_no_role =
records.joins("LEFT OUTER JOIN user_assignments AS current_user_assignments "\
"ON current_user_assignments.assignable_type = 'Team' "\
"AND current_user_assignments.assignable_id = teams.id "\
"AND current_user_assignments.user_id = #{@user.id}")
.where(current_user_assignments: { id: nil })
records = records_with_no_role + records_with_role
if order_params['dir'] == 'asc'
records
else
records.reverse
end
else
super(records)
end
end
# If user is last admin of team, don't allow
# him/her to leave team
def leave_team_button(record)
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button = "<span class=\"sn-icon sn-icon-sign-out\"></span>
<span class=\"hidden-xs\">
#{I18n.t('users.settings.teams.index.leave')}
</span>"
owner_role = UserRole.find_by(name: UserRole.public_send('owner_role').name)
if current_user_team_role(record)&.owner? && record.user_assignments.where(user_role: owner_role).none?
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button.prepend('<div class="btn btn-secondary btn-xs"
type="button" disabled="disabled">')
button << '</div>'
else
button = link_to(
button.html_safe,
leave_user_team_html_path(current_user_team_assignment(record), format: :json, leave: true),
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remote: true, class: 'btn btn-secondary btn-xs', type: 'button',
data: { action: 'leave-user-team' }
)
end
button
end
# Query database for records (this will be later paginated and filtered)
# after that "data" function will return json
def get_raw_records
@user.teams
.preload(user_assignments: %i(user user_role))
.distinct
end
def current_user_team_assignment(team)
team.user_assignments.find { |ua| ua.user == @user }
end
def current_user_team_role(team)
current_user_team_assignment(team)&.user_role
end
end