init project

app/queries/admins/user_statistic_query.rb

@@ -0,0 +1,142 @@
+class Admins::UserStatisticQuery < ApplicationQuery
+  include CustomSortable
+
+  attr_reader :params
+
+  sort_columns :study_challenge_count, :finish_challenge_count, :study_shixun_count, :finish_shixun_count,
+               default_by: :finish_shixun_count, default_direction: :desc
+
+  def initialize(params)
+    @params = params
+  end
+
+  def call
+    users = User.where(type: 'User').group(:id)
+
+    users = users.joins(:user_extension).where(user_extensions: { school_id: params[:school_id] }) if params[:school_id].present?
+
+    total = users.count.count
+
+    # 根据排序字段进行查询
+    users = query_by_sort_column(users, params[:sort_by])
+    users = custom_sort(users, params[:sort_by], params[:sort_direction])
+
+    users = users.includes(user_extension: [:school, :department])
+    users = users.limit(page_size).offset(offset).to_a
+    # 查询并组装其它数据
+    users = package_other_data(users)
+
+    [total, users]
+  end
+
+  private
+
+  def package_other_data(users)
+    ids = users.map(&:id)
+
+    study_myshixun   = Myshixun.where(user_id: ids)
+    finish_myshixun  = Myshixun.where(user_id: ids, status: 1)
+    study_challenge  = Game.where(user_id: ids).where(status: [0, 1, 2])
+    finish_challenge = Game.where(user_id: ids).where(status: 2)
+
+    if time_range.present?
+      study_myshixun   = study_myshixun.where(updated_at: time_range)
+      finish_myshixun  = finish_myshixun.where(updated_at: time_range)
+      study_challenge  = study_challenge.where(updated_at: time_range)
+      finish_challenge = finish_challenge.where(updated_at: time_range)
+    end
+
+    study_myshixun_map   = study_myshixun.reorder(nil).group(:user_id).count
+    finish_myshixun_map  = finish_myshixun.reorder(nil).group(:user_id).count
+    study_challenge_map  = study_challenge.reorder(nil).group(:user_id).count
+    finish_challenge_map = finish_challenge.reorder(nil).group(:user_id).count
+    evaluate_count_map   = study_challenge.reorder(nil).group(:user_id).sum(:evaluate_count)
+    cost_time_map        = study_challenge.reorder(nil).group(:user_id).sum(:cost_time)
+
+    users.each do |user|
+      user._extra_data = {
+        study_shixun_count: study_myshixun_map.fetch(user.id, 0),
+        finish_shixun_count: finish_myshixun_map.fetch(user.id, 0),
+        study_challenge_count: study_challenge_map.fetch(user.id, 0),
+        finish_challenge_count: finish_challenge_map.fetch(user.id, 0),
+        evaluate_count: evaluate_count_map.fetch(user.id, 0),
+        cost_time: cost_time_map.fetch(user.id, 0),
+      }
+    end
+
+    users
+  end
+
+  def query_by_sort_column(users, sort_by_column)
+    base_query_column = 'users.*'
+
+    case sort_by_column.to_s
+    when 'study_shixun_count' then
+      users =
+        if time_range.present?
+          users.joins("LEFT JOIN myshixuns ON myshixuns.user_id = users.id "\
+                      "AND myshixuns.updated_at BETWEEN '#{time_range.min}' AND '#{time_range.max}'")
+        else
+          users.left_joins(:myshixuns)
+        end
+
+      users.select("#{base_query_column}, COUNT(*) study_shixun_count")
+    when 'finish_shixun_count' then
+      users =
+        if time_range.present?
+          users.joins("LEFT JOIN myshixuns ON myshixuns.user_id = users.id AND myshixuns.status = 1 AND "\
+                      "myshixuns.updated_at BETWEEN '#{time_range.min}' AND '#{time_range.max}'")
+        else
+          users.joins('LEFT JOIN myshixuns ON myshixuns.user_id = users.id AND myshixuns.status = 1')
+        end
+
+      users.select("#{base_query_column}, COUNT(*) finish_shixun_count")
+    when 'study_challenge_count' then
+      users =
+        if time_range.present?
+          users.joins('LEFT JOIN myshixuns ON myshixuns.user_id = users.id')
+            .joins("LEFT JOIN games ON games.myshixun_id = myshixuns.id "\
+                   "AND games.status IN (0,1,2) AND games.updated_at BETWEEN '#{time_range.min}' AND '#{time_range.max}'")
+        else
+          users.joins('LEFT JOIN myshixuns ON myshixuns.user_id = users.id')
+            .joins("LEFT JOIN games ON games.myshixun_id = myshixuns.id AND games.status IN (0,1,2)")
+        end
+
+      users.select("#{base_query_column}, COUNT(*) study_challenge_count")
+    when 'finish_challenge_count' then
+      users =
+        if time_range.present?
+          users#.joins('LEFT JOIN myshixuns ON myshixuns.user_id = users.id')
+            .joins("LEFT JOIN games ON games.user_id = users.id "\
+                   "AND games.status = 2 AND games.updated_at BETWEEN '#{time_range.min}' AND '#{time_range.max}'")
+        else
+          users#.joins('LEFT JOIN myshixuns ON myshixuns.user_id = users.id')
+            .joins("LEFT JOIN games ON games.user_id = users.id AND games.status = 2")
+        end
+
+      users.select("#{base_query_column}, COUNT(*) finish_challenge_count")
+    else
+      users
+    end
+  end
+
+  def time_range
+    @_time_range ||= begin
+      case params[:date]
+      when 'weekly'    then 1.weeks.ago..Time.now
+      when 'monthly'   then 1.months.ago..Time.now
+      when 'quarterly' then 3.months.ago..Time.now
+      when 'yearly'    then 1.years.ago..Time.now
+      else ''
+      end
+    end
+  end
+
+  def page_size
+    params[:per_page].to_i.zero? ? 20 : params[:per_page].to_i
+  end
+
+  def offset
+    (params[:page].to_i.zero? ? 0 : params[:page].to_i - 1) * page_size
+  end
+end