From 1b737064412c4426029c2fd3a40b94e23a418321 Mon Sep 17 00:00:00 2001
From: Spencer Alan <hello@spenceralan.com>
Date: Wed, 5 Dec 2018 15:08:44 -0500
Subject: [PATCH] • add users controller

---
 app/controllers/scim_rails/scim_users_controller.rb | 104 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 104 insertions(+), 0 deletions(-)
 create mode 100644 app/controllers/scim_rails/scim_users_controller.rb

diff --git a/app/controllers/scim_rails/scim_users_controller.rb b/app/controllers/scim_rails/scim_users_controller.rb
new file mode 100644
index 0000000..c3b0a69
--- /dev/null
+++ b/app/controllers/scim_rails/scim_users_controller.rb
@@ -0,0 +1,104 @@
+module ScimRails
+  class ScimUsersController < ScimRails::ApplicationController
+    def index
+      if params[:filter].present?
+        query = ScimRails::ScimQueryParser.new(params[:filter])
+
+        users = @company.public_send(ScimRails.config.scim_users_scope).where(
+          "#{ScimRails.config.scim_users_model.connection.quote_column_name(query.attribute)} #{query.operator} ?",
+          query.parameter
+        )
+
+        counts = ScimCount.new(
+          start_index: params[:startIndex],
+          limit: params[:count],
+          total: users.count
+        )
+        json_scim_response(object: users, counts: counts)
+      else
+        users = @company.public_send(ScimRails.config.scim_users_scope)
+
+        counts = ScimCount.new(
+          start_index: params[:startIndex],
+          limit: params[:count],
+          total: users.count
+        )
+
+        json_scim_response(object: users, counts: counts)
+      end
+    end
+
+    def create
+      user = @company.public_send(ScimRails.config.scim_users_scope).new
+      user.create!(permitted_user_params)
+
+      json_scim_response(object: user, status: :created)
+    end
+
+    def show
+      user = @company.public_send(ScimRails.config.scim_users_scope).find(params[:id])
+      json_scim_response(object: user)
+    end
+
+    def update
+      user = @company.public_send(ScimRails.config.scim_users_scope).find(params[:id])
+      update_status(user) unless params[:active].nil?
+      user.update!(permitted_user_params)
+      json_scim_response(object: user)
+    end
+
+    def deprovision
+      user = @company.public_send(ScimRails.config.scim_users_scope).find(params[:id])
+      update_status(user) unless params[:active].nil?
+      json_scim_response(object: user)
+    end
+
+    private
+
+    def permitted_user_params
+      ScimRails.config.mutable_user_attributes.each.with_object({}) do |attribute, hash|
+        hash[attribute] = find_value_for(attribute)
+      end
+    end
+
+    def find_value_for(attribute)
+      params.dig(*path_for(attribute))
+    end
+
+    def path_for(attribute, object = ScimRails.config.mutable_user_attributes_schema, path = [])
+      at_path = path.empty? ? object : object.dig(*path)
+      return path if at_path == attribute
+
+      case at_path
+      when Hash
+        at_path.each do |key, value|
+          found_path = path_for(attribute, object, [*path, key])
+          return found_path if found_path
+        end
+        nil
+      when Array
+        at_path.each_with_index do |value, index|
+          found_path = path_for(attribute, object, [*path, index])
+          return found_path if found_path
+        end
+        nil
+      end
+    end
+
+    def update_status(user)
+      user.public_send(ScimRails.config.user_reprovision_method) if active?
+      user.public_send(ScimRails.config.user_deprovision_method) unless active?
+    end
+
+    def active?
+      case params[:active]
+      when true, "true", 1
+        true
+      when false, "false", 0
+        false
+      else
+        raise ActiveRecord::RecordInvalid
+      end
+    end
+  end
+end
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