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FEATURE: add support for group members visibility level (#8004)

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There are 5 visibility levels (similar to group visibility)

public (default)
logged-in users
members only
staff
owners

Admins & group owners always have visibility to group members.
This commit is contained in:
Vinoth Kannan
2019-08-14 19:00:04 +05:30
committed by GitHub
parent f4aa6096ab
commit 88359b0f16
22 changed files with 351 additions and 15 deletions
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54
app/models/group.rb
View File

@ -153,6 +153,59 @@ class Group < ActiveRecord::Base
groups
}
scope :members_visible_groups, Proc.new { |user, order, opts|
groups = self.order(order || "name ASC")
if !opts || !opts[:include_everyone]
groups = groups.where("groups.id > 0")
end
unless user&.admin
sql = <<~SQL
groups.id IN (
SELECT g.id FROM groups g WHERE g.members_visibility_level = :public
UNION ALL
SELECT g.id FROM groups g
WHERE g.members_visibility_level = :logged_on_users AND :user_id IS NOT NULL
UNION ALL
SELECT g.id FROM groups g
JOIN group_users gu ON gu.group_id = g.id AND
gu.user_id = :user_id
WHERE g.members_visibility_level = :members
UNION ALL
SELECT g.id FROM groups g
LEFT JOIN group_users gu ON gu.group_id = g.id AND
gu.user_id = :user_id AND
gu.owner
WHERE g.members_visibility_level = :staff AND (gu.id IS NOT NULL OR :is_staff)
UNION ALL
SELECT g.id FROM groups g
JOIN group_users gu ON gu.group_id = g.id AND
gu.user_id = :user_id AND
gu.owner
WHERE g.members_visibility_level = :owners
)
SQL
groups = groups.where(
sql,
Group.visibility_levels.to_h.merge(user_id: user&.id, is_staff: !!user&.staff?)
)
end
groups
}
scope :mentionable, lambda { |user|
where(self.mentionable_sql_clause,
levels: alias_levels(user),
@ -828,6 +881,7 @@ end
# membership_request_template :text
# messageable_level :integer default(0)
# mentionable_level :integer default(0)
# members_visibility_level :integer default(0), not null
#
# Indexes
#