init project

app/queries/user_query.rb

@@ -0,0 +1,28 @@
+class UserQuery < ApplicationQuery
+  attr_reader :params
+
+  def initialize(params)
+    @params = params
+  end
+
+  def call
+    users = User.where(type: 'User')
+
+    # 真实姓名
+    if name = strip_param(:name)
+      users = users.where('LOWER(CONCAT(users.lastname, users.firstname)) LIKE ?', "%#{name.downcase}%")
+    end
+
+    # 单位名称
+    if school = strip_param(:school)
+      users = users.joins(user_extension: :school).where('schools.name LIKE ?', "%#{school}%")
+    end
+
+    # 职业
+    if (identity = strip_param(:identity)) && UserExtension.identities.keys.include?(identity)
+      users = users.joins(:user_extension).where(user_extensions: { identity: identity })
+    end
+
+    users
+  end
+end