Create a Users Finder

1 files changed, 74 insertions, 0 deletions

diff --git a/app/finders/users_finder.rb b/app/finders/users_finder.rb
new file mode 100644
index 00000000000..dbd50d1db7c
--- /dev/null
+++ b/app/finders/users_finder.rb
@@ -0,0 +1,74 @@
+# UsersFinder
+#
+# Used to filter users by set of params
+#
+# Arguments:
+#   current_user - which user use
+#   params:
+#     username: string
+#     extern_uid: string
+#     provider: string
+#     search: string
+#     active: boolean
+#     blocked: boolean
+#     external: boolean
+#
+class UsersFinder
+  attr_accessor :current_user, :params
+
+  def initialize(current_user, params = {})
+    @current_user = current_user
+    @params = params
+  end
+
+  def execute
+    users = User.all
+    users = by_username(users)
+    users = by_search(users)
+    users = by_blocked(users)
+    users = by_active(users)
+    users = by_external_identity(users)
+    users = by_external(users)
+
+    users
+  end
+
+  private
+
+  def by_username(users)
+    return users unless params[:username]
+
+    users.where(username: params[:username])
+  end
+
+  def by_search(users)
+    return users unless params[:search].present?
+
+    users.search(params[:search])
+  end
+
+  def by_blocked(users)
+    return users unless params[:blocked]
+
+    users.blocked
+  end
+
+  def by_active(users)
+    return users unless params[:active]
+
+    users.active
+  end
+
+  def by_external_identity(users)
+    return users unless current_user.admin? && params[:extern_uid] && params[:provider]
+
+    users.joins(:identities).merge(Identity.with_extern_uid(params[:provider], params[:extern_uid]))
+  end
+
+  def by_external(users)
+    return users = users.where.not(external: true) unless current_user.admin?
+    return users unless params[:external]
+
+    users.external
+  end
+end