Class: Report::SalesCommissions::SalesCommissions

Inherits:
Object
  • Object
show all
Defined in:
app/services/report/sales_commissions/sales_commissions.rb

Defined Under Namespace

Classes: Result

Class Method Summary collapse

Class Method Details

.list_of_years ⇒ Object 



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# File 'app/services/report/sales_commissions/sales_commissions.rb', line 38

def self.list_of_years
  year = Date.current.year
  year_list = [[year,year]]
  (0..9).each do |num|
    year -= 1
    year_list << [year,year] if year >= 2019
  end
  year_list
end

.overall_company_sales(start_date, end_date, prev_start_date, prev_end_date) ⇒ Object 



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# File 'app/services/report/sales_commissions/sales_commissions.rb', line 536

def self.overall_company_sales(start_date,end_date,prev_start_date,prev_end_date)
  sql = <<-SQL
    select sum(current_num_orders) as current_num_orders,sum(current_sales) as current_sales,sum(previous_num_orders) as previous_num_orders,sum(previous_sales) as previous_sales
    from (
        select count(order_id) as current_num_orders,sum(sales) as current_sales,0 as previous_num_orders,0 as previous_sales
        from (
            select distinct order_id,sales
            from sales_commission_details
            where commission_date between '#{start_date}' and '#{end_date}'
            and substr(reference_number,1,2) in ('SO','MO')
        )a
        union all
        select 0,0,count(order_id),sum(sales)
        from (
            select distinct order_id,sales
            from sales_commission_details
            where commission_date between '#{prev_start_date}' and '#{prev_end_date}'
            and substr(reference_number,1,2) in ('SO','MO')
        )a
    )b
  SQL

  results = ActiveRecord::Base.connection.execute(sql).to_a.map{ |r| r.symbolize_keys }
end

.results(options = {}) ⇒ Object 



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# File 'app/services/report/sales_commissions/sales_commissions.rb', line 8

def self.results(options = {})
  current_year = Date.current.year
  year = options[:year]
  if current_year == year
    start_date = Date.current.beginning_of_year
    end_date = Date.current
    prev_start_date = start_date.years_ago(1)
    prev_end_date = end_date.years_ago(1)
  else
    date = (year.to_s + '-01-01').to_date
    start_date = date.beginning_of_year
    end_date = date.end_of_year
    prev_start_date = start_date.years_ago(1)
    prev_end_date = end_date.years_ago(1)
  end

  total_commission_per_rep = total_commission_per_rep(start_date,end_date,prev_start_date,prev_end_date)
  total_commission_per_type = total_commission_per_type(start_date,end_date,prev_start_date,prev_end_date)
  total_commission_per_type_breakdown = total_commission_per_type_breakdown(start_date,end_date,prev_start_date,prev_end_date)
  overall_company_sales = overall_company_sales(start_date,end_date,prev_start_date,prev_end_date)

  Result.new(success: true,
             year: start_date.year,
             previous_year: prev_start_date.year,
             total_commission_per_rep: total_commission_per_rep,
             total_commission_per_type: total_commission_per_type,
             total_commission_per_type_breakdown: total_commission_per_type_breakdown,
             overall_company_sales: overall_company_sales)
end

.total_commission_per_rep(start_date, end_date, prev_start_date, prev_end_date) ⇒ Object 



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# File 'app/services/report/sales_commissions/sales_commissions.rb', line 48

def self.total_commission_per_rep(start_date,end_date,prev_start_date,prev_end_date)
  sql = <<-SQL
    with employess as (
        select id as employee_id,full_name
        from parties
        where type = 'Employee'

    ), comm_sales_data as (
        select employee_id,
              sum(case when commission_date between '#{start_date}' and '#{end_date}' then total else 0 end) as current_comm,
              sum(case when commission_date between '#{prev_start_date}' and '#{prev_end_date}' then total else 0 end) as previous_comm,
              sum(case when commission_date between '#{start_date}' and '#{end_date}' then sales else 0 end) as current_rep_sales,
              sum(case when commission_date between '#{prev_start_date}' and '#{prev_end_date}' then sales else 0 end) as previous_rep_sales
        from sales_commission_details
        where (commission_date between '#{prev_start_date}' and '#{prev_end_date}' or commission_date between '#{start_date}' and '#{end_date}')
        and substr(reference_number,1,2) in ('SO','MO')
        group by employee_id

    ), num_orders_data as(
        select employee_id,
              sum(case when commission_date between '#{start_date}' and '#{end_date}' then 1 else 0 end) as current_num_orders,
              sum(case when commission_date between '#{prev_start_date}' and '#{prev_end_date}' then 1 else 0 end) as previous_num_orders
        from (
            select employee_id,order_id,max(commission_date) as commission_date
            from sales_commission_details
            where (commission_date between '#{prev_start_date}' and '#{prev_end_date}' or commission_date between '#{start_date}' and '#{end_date}')
            and substr(reference_number,1,2) in ('SO','MO')
            group by employee_id,order_id
        )a
        group by employee_id

    )
    select cd.employee_id,e.full_name,current_comm,current_num_orders,previous_comm,previous_num_orders,(current_comm - previous_comm) as comm_variance,
          case when previous_comm = 0 then 0 else (((current_comm - previous_comm) / previous_comm) * 100) end comm_variance_growth,
          current_rep_sales,previous_rep_sales,(current_rep_sales - previous_rep_sales) as sales_variance,
          case when previous_rep_sales = 0 then 0 else (((current_rep_sales - previous_rep_sales) / previous_rep_sales) * 100) end as sales_variance_growth
    from comm_sales_data cd
    inner join employess e on cd.employee_id = e.employee_id
    inner join num_orders_data nod on cd.employee_id = nod.employee_id
    where (current_comm > 0 or previous_comm > 0)
    order by current_comm desc
  SQL

  results = ActiveRecord::Base.connection.execute(sql).to_a.map{ |r| r.symbolize_keys }
end

.total_commission_per_type(start_date, end_date, prev_start_date, prev_end_date) ⇒ Object 



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# File 'app/services/report/sales_commissions/sales_commissions.rb', line 94

def self.total_commission_per_type(start_date,end_date,prev_start_date,prev_end_date)
  sql = <<-SQL
    with sales_comm as (
        select commission_tier_id,
              case when commission_tier_id = 5 and comm_rate = 2 then 'Tech Agent Engagement (Full)'
                    when commission_tier_id = 6 and comm_rate = 1 then 'Tech Agent Engagement (Shared)' else description end as description,
              comm_rate,sum(current_comm) as current_comm,sum(previous_comm) as previous_comm,
              sum(current_sales) as current_sales,sum(previous_sales) as previous_sales
        from (
            select employee_id,1 as commission_tier_id,tier1_comm as comm_rate,
                  sum(case when commission_date between '#{start_date}' and '#{end_date}' then tier1 else 0 end) as current_comm,
                  sum(case when commission_date between '#{prev_start_date}' and '#{prev_end_date}' then tier1 else 0 end) as previous_comm,
                  sum(case when commission_date between '#{start_date}' and '#{end_date}' then sales else 0 end) as current_sales,
                  sum(case when commission_date between '#{prev_start_date}' and '#{prev_end_date}' then sales else 0 end) as previous_sales
            from sales_commission_details
            where (commission_date between '#{prev_start_date}' and '#{prev_end_date}' or commission_date between '#{start_date}' and '#{end_date}')
            and substr(reference_number,1,2) in ('SO','MO')
            group by employee_id,tier1_comm
            union all
            select employee_id,2 as commission_tier_id,tier2_comm,
                  sum(case when commission_date between '#{start_date}' and '#{end_date}' then tier2 else 0 end) as current_comm,
                  sum(case when commission_date between '#{prev_start_date}' and '#{prev_end_date}' then tier2 else 0 end) as previous_comm,
                  sum(case when commission_date between '#{start_date}' and '#{end_date}' then sales else 0 end) as current_sales,
                  sum(case when commission_date between '#{prev_start_date}' and '#{prev_end_date}' then sales else 0 end) as previous_sales
            from sales_commission_details
            where (commission_date between '#{prev_start_date}' and '#{prev_end_date}' or commission_date between '#{start_date}' and '#{end_date}')
            and substr(reference_number,1,2) in ('SO','MO')
            group by employee_id,tier2_comm
            union all
            select employee_id,3 as commission_tier_id,tier3_comm,
                  sum(case when commission_date between '#{start_date}' and '#{end_date}' then tier3 else 0 end) as current_comm,
                  sum(case when commission_date between '#{prev_start_date}' and '#{prev_end_date}' then tier3 else 0 end) as previous_comm,
                  sum(case when commission_date between '#{start_date}' and '#{end_date}' then sales else 0 end) as current_sales,
                  sum(case when commission_date between '#{prev_start_date}' and '#{prev_end_date}' then sales else 0 end) as previous_sales
            from sales_commission_details
            where (commission_date between '#{prev_start_date}' and '#{prev_end_date}' or commission_date between '#{start_date}' and '#{end_date}')
            and substr(reference_number,1,2) in ('SO','MO')
            group by employee_id,tier3_comm
            union all
            select employee_id,4 as commission_tier_id,tier4_comm,
                  sum(case when commission_date between '#{start_date}' and '#{end_date}' then tier4 else 0 end) as current_comm,
                  sum(case when commission_date between '#{prev_start_date}' and '#{prev_end_date}' then tier4 else 0 end) as previous_comm,
                  sum(case when commission_date between '#{start_date}' and '#{end_date}' then sales else 0 end) as current_sales,
                  sum(case when commission_date between '#{prev_start_date}' and '#{prev_end_date}' then sales else 0 end) as previous_sales
            from sales_commission_details
            where (commission_date between '#{prev_start_date}' and '#{prev_end_date}' or commission_date between '#{start_date}' and '#{end_date}')
            and substr(reference_number,1,2) in ('SO','MO')
            group by employee_id,tier4_comm
            union all
            select employee_id,5 as commission_tier_id,tier6_comm,
                  sum(case when commission_date between '#{start_date}' and '#{end_date}' then tier6 else 0 end) as current_comm,
                  sum(case when commission_date between '#{prev_start_date}' and '#{prev_end_date}' then tier6 else 0 end) as previous_comm,
                  sum(case when commission_date between '#{start_date}' and '#{end_date}' then sales else 0 end) as current_sales,
                  sum(case when commission_date between '#{prev_start_date}' and '#{prev_end_date}' then sales else 0 end) as previous_sales
            from sales_commission_details
            where (commission_date between '#{prev_start_date}' and '#{prev_end_date}' or commission_date between '#{start_date}' and '#{end_date}')
            and substr(reference_number,1,2) in ('SO','MO')
            and tier6_comm = 2
            group by employee_id,tier6_comm
            union all
            select employee_id,6 as commission_tier_id,tier6_comm,
                  sum(case when commission_date between '#{start_date}' and '#{end_date}' then tier6 else 0 end) as current_comm,
                  sum(case when commission_date between '#{prev_start_date}' and '#{prev_end_date}' then tier6 else 0 end) as previous_comm,
                  sum(case when commission_date between '#{start_date}' and '#{end_date}' then sales else 0 end) as current_sales,
                  sum(case when commission_date between '#{prev_start_date}' and '#{prev_end_date}' then sales else 0 end) as previous_rep_sales
            from sales_commission_details
            where (commission_date between '#{prev_start_date}' and '#{prev_end_date}' or commission_date between '#{start_date}' and '#{end_date}')
            and substr(reference_number,1,2) in ('SO','MO')
            and tier6_comm = 1
            group by employee_id,tier6_comm
            union all
            select employee_id,7 as commission_tier_id,tier7_comm,
                  sum(case when commission_date between '#{start_date}' and '#{end_date}' then tier7 else 0 end) as current_comm,
                  sum(case when commission_date between '#{prev_start_date}' and '#{prev_end_date}' then tier7 else 0 end) as previous_comm,
                  sum(case when commission_date between '#{start_date}' and '#{end_date}' then sales else 0 end) as current_sales,
                  sum(case when commission_date between '#{prev_start_date}' and '#{prev_end_date}' then sales else 0 end) as previous_sales
            from sales_commission_details
            where (commission_date between '#{prev_start_date}' and '#{prev_end_date}' or commission_date between '#{start_date}' and '#{end_date}')
            and substr(reference_number,1,2) in ('SO','MO')
            group by employee_id,tier7_comm
            union all
            select employee_id,8 as commission_tier_id,tier8_comm,
                  sum(case when commission_date between '#{start_date}' and '#{end_date}' then tier8 else 0 end) as current_comm,
                  sum(case when commission_date between '#{prev_start_date}' and '#{prev_end_date}' then tier8 else 0 end) as previous_comm,
                  sum(case when commission_date between '#{start_date}' and '#{end_date}' then sales else 0 end) as current_sales,
                  sum(case when commission_date between '#{prev_start_date}' and '#{prev_end_date}' then sales else 0 end) as previous_sales
            from sales_commission_details
            where (commission_date between '#{prev_start_date}' and '#{prev_end_date}' or commission_date between '#{start_date}' and '#{end_date}')
            and substr(reference_number,1,2) in ('SO','MO')
            group by employee_id,tier8_comm
        )a
        inner join commission_tiers ct on a.commission_tier_id = ct.id
        group by commission_tier_id,description,comm_rate
        order by commission_tier_id

    ), orders_data as (
        select commission_tier_id,sum(current_num_orders) as current_num_orders,sum(previous_num_orders) as previous_num_orders
        from (
            select employee_id,1 as commission_tier_id,
                  sum(case when commission_date between '#{start_date}' and '#{end_date}' then 1 else 0 end) as current_num_orders,
                  sum(case when commission_date between '#{prev_start_date}' and '#{prev_end_date}' then 1 else 0 end) as previous_num_orders
            from (
                select employee_id,order_id,max(commission_date) as commission_date
                from sales_commission_details
                where (commission_date between '#{prev_start_date}' and '#{prev_end_date}' or commission_date between '#{start_date}' and '#{end_date}')
                and substr(reference_number,1,2) in ('SO','MO')
                and tier1_comm <> 0
                group by employee_id,order_id
            )a
            group by employee_id
            union all
            select employee_id,2 as commission_tier_id,
                  sum(case when commission_date between '#{start_date}' and '#{end_date}' then 1 else 0 end) as current_num_orders,
                  sum(case when commission_date between '#{prev_start_date}' and '#{prev_end_date}' then 1 else 0 end) as previous_num_orders
            from (
                select employee_id,order_id,max(commission_date) as commission_date
                from sales_commission_details
                where (commission_date between '#{prev_start_date}' and '#{prev_end_date}' or commission_date between '#{start_date}' and '#{end_date}')
                and substr(reference_number,1,2) in ('SO','MO')
                and tier2_comm <> 0
                group by employee_id,order_id
            )a
            group by employee_id
            union all
            select employee_id,3 as commission_tier_id,
                  sum(case when commission_date between '#{start_date}' and '#{end_date}' then 1 else 0 end) as current_num_orders,
                  sum(case when commission_date between '#{prev_start_date}' and '#{prev_end_date}' then 1 else 0 end) as previous_num_orders
            from (
                select employee_id,order_id,max(commission_date) as commission_date
                from sales_commission_details
                where (commission_date between '#{prev_start_date}' and '#{prev_end_date}' or commission_date between '#{start_date}' and '#{end_date}')
                and substr(reference_number,1,2) in ('SO','MO')
                and tier3_comm <> 0
                group by employee_id,order_id
            )a
            group by employee_id
            union all
            select employee_id,4 as commission_tier_id,
                  sum(case when commission_date between '#{start_date}' and '#{end_date}' then 1 else 0 end) as current_num_orders,
                  sum(case when commission_date between '#{prev_start_date}' and '#{prev_end_date}' then 1 else 0 end) as previous_num_orders
            from (
                select employee_id,order_id,max(commission_date) as commission_date
                from sales_commission_details
                where (commission_date between '#{prev_start_date}' and '#{prev_end_date}' or commission_date between '#{start_date}' and '#{end_date}')
                and substr(reference_number,1,2) in ('SO','MO')
                and tier4_comm <> 0
                group by employee_id,order_id
            )a
            group by employee_id
            union all
            select employee_id,5 as commission_tier_id,
                  sum(case when commission_date between '#{start_date}' and '#{end_date}' then 1 else 0 end) as current_num_orders,
                  sum(case when commission_date between '#{prev_start_date}' and '#{prev_end_date}' then 1 else 0 end) as previous_num_orders
            from (
                select employee_id,order_id,max(commission_date) as commission_date
                from sales_commission_details
                where (commission_date between '#{prev_start_date}' and '#{prev_end_date}' or commission_date between '#{start_date}' and '#{end_date}')
                and substr(reference_number,1,2) in ('SO','MO')
                and tier6_comm = 2
                group by employee_id,order_id
            )a
            group by employee_id
            union all
            select employee_id,6 as commission_tier_id,
                  sum(case when commission_date between '#{start_date}' and '#{end_date}' then 1 else 0 end) as current_num_orders,
                  sum(case when commission_date between '#{prev_start_date}' and '#{prev_end_date}' then 1 else 0 end) as previous_num_orders
            from (
                select employee_id,order_id,max(commission_date) as commission_date
                from sales_commission_details
                where (commission_date between '#{prev_start_date}' and '#{prev_end_date}' or commission_date between '#{start_date}' and '#{end_date}')
                and substr(reference_number,1,2) in ('SO','MO')
                and tier6_comm = 1
                group by employee_id,order_id
            )a
            group by employee_id
            union all
            select employee_id,7 as commission_tier_id,
                  sum(case when commission_date between '#{start_date}' and '#{end_date}' then 1 else 0 end) as current_num_orders,
                  sum(case when commission_date between '#{prev_start_date}' and '#{prev_end_date}' then 1 else 0 end) as previous_num_orders
            from (
                select employee_id,order_id,max(commission_date) as commission_date
                from sales_commission_details
                where (commission_date between '#{prev_start_date}' and '#{prev_end_date}' or commission_date between '#{start_date}' and '#{end_date}')
                and substr(reference_number,1,2) in ('SO','MO')
                and tier7_comm <> 0
                group by employee_id,order_id
            )a
            group by employee_id
            union all
            select employee_id,8 as commission_tier_id,
                  sum(case when commission_date between '#{start_date}' and '#{end_date}' then 1 else 0 end) as current_num_orders,
                  sum(case when commission_date between '#{prev_start_date}' and '#{prev_end_date}' then 1 else 0 end) as previous_num_orders
            from (
                select employee_id,order_id,max(commission_date) as commission_date
                from sales_commission_details
                where (commission_date between '#{prev_start_date}' and '#{prev_end_date}' or commission_date between '#{start_date}' and '#{end_date}')
                and substr(reference_number,1,2) in ('SO','MO')
                and tier8_comm <> 0
                group by employee_id,order_id
            )a
            group by employee_id
        )b
        group by commission_tier_id

    )
    select sc.commission_tier_id,sc.description,sc.comm_rate,sc.current_comm,od.current_num_orders,sc.previous_comm,od.previous_num_orders,(current_comm - previous_comm) as comm_variance,
          case when previous_comm = 0 then 0 else (((current_comm - previous_comm) / previous_comm) * 100) end comm_variance_growth,
          sc.current_sales,sc.previous_sales,(current_sales - previous_sales) as sales_variance,
          case when previous_sales = 0 then 0 else (((current_sales - previous_sales) / previous_sales) * 100) end as sales_variance_growth
    from sales_comm sc
    inner join orders_data od on sc.commission_tier_id = od.commission_tier_id
    where comm_rate <> 0
  SQL

  results = ActiveRecord::Base.connection.execute(sql).to_a.map{ |r| r.symbolize_keys }
end

.total_commission_per_type_breakdown(start_date, end_date, prev_start_date, prev_end_date) ⇒ Object 



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# File 'app/services/report/sales_commissions/sales_commissions.rb', line 311

def self.total_commission_per_type_breakdown(start_date,end_date,prev_start_date,prev_end_date)
  sql = <<-SQL
    with employess as (
        select id as employee_id,full_name
        from parties
        where type = 'Employee'

    ), sales_comm as (
        select commission_tier_id,employee_id,
              case when commission_tier_id = 5 and comm_rate = 2 then 'Tech Agent Engagement (Full)'
                    when commission_tier_id = 6 and comm_rate = 1 then 'Tech Agent Engagement (Shared)' else description end as description,
              comm_rate,sum(current_comm) as current_comm,sum(previous_comm) as previous_comm,
              sum(current_sales) as current_sales,sum(previous_sales) as previous_sales
        from (
            select employee_id,1 as commission_tier_id,tier1_comm as comm_rate,
                  sum(case when commission_date between '#{start_date}' and '#{end_date}' then tier1 else 0 end) as current_comm,
                  sum(case when commission_date between '#{prev_start_date}' and '#{prev_end_date}' then tier1 else 0 end) as previous_comm,
                  sum(case when commission_date between '#{start_date}' and '#{end_date}' then sales else 0 end) as current_sales,
                  sum(case when commission_date between '#{prev_start_date}' and '#{prev_end_date}' then sales else 0 end) as previous_sales
            from sales_commission_details
            where (commission_date between '#{prev_start_date}' and '#{prev_end_date}' or commission_date between '#{start_date}' and '#{end_date}')
            and substr(reference_number,1,2) in ('SO','MO')
            group by employee_id,tier1_comm
            union all
            select employee_id,2 as commission_tier_id,tier2_comm,
                  sum(case when commission_date between '#{start_date}' and '#{end_date}' then tier2 else 0 end) as current_comm,
                  sum(case when commission_date between '#{prev_start_date}' and '#{prev_end_date}' then tier2 else 0 end) as previous_comm,
                  sum(case when commission_date between '#{start_date}' and '#{end_date}' then sales else 0 end) as current_sales,
                  sum(case when commission_date between '#{prev_start_date}' and '#{prev_end_date}' then sales else 0 end) as previous_sales
            from sales_commission_details
            where (commission_date between '#{prev_start_date}' and '#{prev_end_date}' or commission_date between '#{start_date}' and '#{end_date}')
            and substr(reference_number,1,2) in ('SO','MO')
            group by employee_id,tier2_comm
            union all
            select employee_id,3 as commission_tier_id,tier3_comm,
                  sum(case when commission_date between '#{start_date}' and '#{end_date}' then tier3 else 0 end) as current_comm,
                  sum(case when commission_date between '#{prev_start_date}' and '#{prev_end_date}' then tier3 else 0 end) as previous_comm,
                  sum(case when commission_date between '#{start_date}' and '#{end_date}' then sales else 0 end) as current_sales,
                  sum(case when commission_date between '#{prev_start_date}' and '#{prev_end_date}' then sales else 0 end) as previous_sales
            from sales_commission_details
            where (commission_date between '#{prev_start_date}' and '#{prev_end_date}' or commission_date between '#{start_date}' and '#{end_date}')
            and substr(reference_number,1,2) in ('SO','MO')
            group by employee_id,tier3_comm
            union all
            select employee_id,4 as commission_tier_id,tier4_comm,
                  sum(case when commission_date between '#{start_date}' and '#{end_date}' then tier4 else 0 end) as current_comm,
                  sum(case when commission_date between '#{prev_start_date}' and '#{prev_end_date}' then tier4 else 0 end) as previous_comm,
                  sum(case when commission_date between '#{start_date}' and '#{end_date}' then sales else 0 end) as current_sales,
                  sum(case when commission_date between '#{prev_start_date}' and '#{prev_end_date}' then sales else 0 end) as previous_sales
            from sales_commission_details
            where (commission_date between '#{prev_start_date}' and '#{prev_end_date}' or commission_date between '#{start_date}' and '#{end_date}')
            and substr(reference_number,1,2) in ('SO','MO')
            group by employee_id,tier4_comm
            union all
            select employee_id,5 as commission_tier_id,tier6_comm,
                  sum(case when commission_date between '#{start_date}' and '#{end_date}' then tier6 else 0 end) as current_comm,
                  sum(case when commission_date between '#{prev_start_date}' and '#{prev_end_date}' then tier6 else 0 end) as previous_comm,
                  sum(case when commission_date between '#{start_date}' and '#{end_date}' then sales else 0 end) as current_sales,
                  sum(case when commission_date between '#{prev_start_date}' and '#{prev_end_date}' then sales else 0 end) as previous_sales
            from sales_commission_details
            where (commission_date between '#{prev_start_date}' and '#{prev_end_date}' or commission_date between '#{start_date}' and '#{end_date}')
            and substr(reference_number,1,2) in ('SO','MO')
            and tier6_comm = 2
            group by employee_id,tier6_comm
            union all
            select employee_id,6 as commission_tier_id,tier6_comm,
                  sum(case when commission_date between '#{start_date}' and '#{end_date}' then tier6 else 0 end) as current_comm,
                  sum(case when commission_date between '#{prev_start_date}' and '#{prev_end_date}' then tier6 else 0 end) as previous_comm,
                  sum(case when commission_date between '#{start_date}' and '#{end_date}' then sales else 0 end) as current_sales,
                  sum(case when commission_date between '#{prev_start_date}' and '#{prev_end_date}' then sales else 0 end) as previous_rep_sales
            from sales_commission_details
            where (commission_date between '#{prev_start_date}' and '#{prev_end_date}' or commission_date between '#{start_date}' and '#{end_date}')
            and substr(reference_number,1,2) in ('SO','MO')
            and tier6_comm = 1
            group by employee_id,tier6_comm
            union all
            select employee_id,7 as commission_tier_id,tier7_comm,
                  sum(case when commission_date between '#{start_date}' and '#{end_date}' then tier7 else 0 end) as current_comm,
                  sum(case when commission_date between '#{prev_start_date}' and '#{prev_end_date}' then tier7 else 0 end) as previous_comm,
                  sum(case when commission_date between '#{start_date}' and '#{end_date}' then sales else 0 end) as current_sales,
                  sum(case when commission_date between '#{prev_start_date}' and '#{prev_end_date}' then sales else 0 end) as previous_sales
            from sales_commission_details
            where (commission_date between '#{prev_start_date}' and '#{prev_end_date}' or commission_date between '#{start_date}' and '#{end_date}')
            and substr(reference_number,1,2) in ('SO','MO')
            group by employee_id,tier7_comm
            union all
            select employee_id,8 as commission_tier_id,tier8_comm,
                  sum(case when commission_date between '#{start_date}' and '#{end_date}' then tier8 else 0 end) as current_comm,
                  sum(case when commission_date between '#{prev_start_date}' and '#{prev_end_date}' then tier8 else 0 end) as previous_comm,
                  sum(case when commission_date between '#{start_date}' and '#{end_date}' then sales else 0 end) as current_sales,
                  sum(case when commission_date between '#{prev_start_date}' and '#{prev_end_date}' then sales else 0 end) as previous_sales
            from sales_commission_details
            where (commission_date between '#{prev_start_date}' and '#{prev_end_date}' or commission_date between '#{start_date}' and '#{end_date}')
            and substr(reference_number,1,2) in ('SO','MO')
            group by employee_id,tier8_comm
        )a
        inner join commission_tiers ct on a.commission_tier_id = ct.id
        group by commission_tier_id,description,comm_rate,employee_id
        order by commission_tier_id,employee_id

    ), orders_data as (
        select commission_tier_id,employee_id,sum(current_num_orders) as current_num_orders,sum(previous_num_orders) as previous_num_orders
        from (
            select employee_id,1 as commission_tier_id,
                  sum(case when commission_date between '#{start_date}' and '#{end_date}' then 1 else 0 end) as current_num_orders,
                  sum(case when commission_date between '#{prev_start_date}' and '#{prev_end_date}' then 1 else 0 end) as previous_num_orders
            from (
                select employee_id,order_id,max(commission_date) as commission_date
                from sales_commission_details
                where (commission_date between '#{prev_start_date}' and '#{prev_end_date}' or commission_date between '#{start_date}' and '#{end_date}')
                and substr(reference_number,1,2) in ('SO','MO')
                and tier1_comm <> 0
                group by employee_id,order_id
            )a
            group by employee_id
            union all
            select employee_id,2 as commission_tier_id,
                  sum(case when commission_date between '#{start_date}' and '#{end_date}' then 1 else 0 end) as current_num_orders,
                  sum(case when commission_date between '#{prev_start_date}' and '#{prev_end_date}' then 1 else 0 end) as previous_num_orders
            from (
                select employee_id,order_id,max(commission_date) as commission_date
                from sales_commission_details
                where (commission_date between '#{prev_start_date}' and '#{prev_end_date}' or commission_date between '#{start_date}' and '#{end_date}')
                and substr(reference_number,1,2) in ('SO','MO')
                and tier2_comm <> 0
                group by employee_id,order_id
            )a
            group by employee_id
            union all
            select employee_id,3 as commission_tier_id,
                  sum(case when commission_date between '#{start_date}' and '#{end_date}' then 1 else 0 end) as current_num_orders,
                  sum(case when commission_date between '#{prev_start_date}' and '#{prev_end_date}' then 1 else 0 end) as previous_num_orders
            from (
                select employee_id,order_id,max(commission_date) as commission_date
                from sales_commission_details
                where (commission_date between '#{prev_start_date}' and '#{prev_end_date}' or commission_date between '#{start_date}' and '#{end_date}')
                and substr(reference_number,1,2) in ('SO','MO')
                and tier3_comm <> 0
                group by employee_id,order_id
            )a
            group by employee_id
            union all
            select employee_id,4 as commission_tier_id,
                  sum(case when commission_date between '#{start_date}' and '#{end_date}' then 1 else 0 end) as current_num_orders,
                  sum(case when commission_date between '#{prev_start_date}' and '#{prev_end_date}' then 1 else 0 end) as previous_num_orders
            from (
                select employee_id,order_id,max(commission_date) as commission_date
                from sales_commission_details
                where (commission_date between '#{prev_start_date}' and '#{prev_end_date}' or commission_date between '#{start_date}' and '#{end_date}')
                and substr(reference_number,1,2) in ('SO','MO')
                and tier4_comm <> 0
                group by employee_id,order_id
            )a
            group by employee_id
            union all
            select employee_id,5 as commission_tier_id,
                  sum(case when commission_date between '#{start_date}' and '#{end_date}' then 1 else 0 end) as current_num_orders,
                  sum(case when commission_date between '#{prev_start_date}' and '#{prev_end_date}' then 1 else 0 end) as previous_num_orders
            from (
                select employee_id,order_id,max(commission_date) as commission_date
                from sales_commission_details
                where (commission_date between '#{prev_start_date}' and '#{prev_end_date}' or commission_date between '#{start_date}' and '#{end_date}')
                and substr(reference_number,1,2) in ('SO','MO')
                and tier6_comm = 2
                group by employee_id,order_id
            )a
            group by employee_id
            union all
            select employee_id,6 as commission_tier_id,
                  sum(case when commission_date between '#{start_date}' and '#{end_date}' then 1 else 0 end) as current_num_orders,
                  sum(case when commission_date between '#{prev_start_date}' and '#{prev_end_date}' then 1 else 0 end) as previous_num_orders
            from (
                select employee_id,order_id,max(commission_date) as commission_date
                from sales_commission_details
                where (commission_date between '#{prev_start_date}' and '#{prev_end_date}' or commission_date between '#{start_date}' and '#{end_date}')
                and substr(reference_number,1,2) in ('SO','MO')
                and tier6_comm = 1
                group by employee_id,order_id
            )a
            group by employee_id
            union all
            select employee_id,7 as commission_tier_id,
                  sum(case when commission_date between '#{start_date}' and '#{end_date}' then 1 else 0 end) as current_num_orders,
                  sum(case when commission_date between '#{prev_start_date}' and '#{prev_end_date}' then 1 else 0 end) as previous_num_orders
            from (
                select employee_id,order_id,max(commission_date) as commission_date
                from sales_commission_details
                where (commission_date between '#{prev_start_date}' and '#{prev_end_date}' or commission_date between '#{start_date}' and '#{end_date}')
                and substr(reference_number,1,2) in ('SO','MO')
                and tier7_comm <> 0
                group by employee_id,order_id
            )a
            group by employee_id
            union all
            select employee_id,8 as commission_tier_id,
                  sum(case when commission_date between '#{start_date}' and '#{end_date}' then 1 else 0 end) as current_num_orders,
                  sum(case when commission_date between '#{prev_start_date}' and '#{prev_end_date}' then 1 else 0 end) as previous_num_orders
            from (
                select employee_id,order_id,max(commission_date) as commission_date
                from sales_commission_details
                where (commission_date between '#{prev_start_date}' and '#{prev_end_date}' or commission_date between '#{start_date}' and '#{end_date}')
                and substr(reference_number,1,2) in ('SO','MO')
                and tier8_comm <> 0
                group by employee_id,order_id
            )a
            group by employee_id
        )b
        group by commission_tier_id,employee_id

    )
    select sc.commission_tier_id,sc.employee_id,e.full_name,sc.current_comm,od.current_num_orders,sc.previous_comm,od.previous_num_orders,(current_comm - previous_comm) as comm_variance,
          case when previous_comm = 0 then 0 else (((current_comm - previous_comm) / previous_comm) * 100) end comm_variance_growth,
          sc.current_sales,sc.previous_sales,(current_sales - previous_sales) as sales_variance,
          case when previous_sales = 0 then 0 else (((current_sales - previous_sales) / previous_sales) * 100) end as sales_variance_growth
    from sales_comm sc
    inner join orders_data od on sc.commission_tier_id = od.commission_tier_id and sc.employee_id = od.employee_id
    inner join employess e on sc.employee_id = e.employee_id
    where comm_rate <> 0
    and (sc.current_comm > 0 or sc.previous_comm > 0)
    order by sc.commission_tier_id,sc.current_comm desc
  SQL

  results = ActiveRecord::Base.connection.execute(sql).to_a.map{ |r| r.symbolize_keys }
end