lk | adds report for bikes fixed per week and some notes

app/controllers/reports_controller.rb

@@ -5,4 +5,7 @@ class ReportsController < ApplicationController
     @yearly_data = Report.yearly_data
   end
 
+  def bikes_fixed_per_week
+    @weekly_data = Report.bikes_fixed_per_week
+  end
 end

app/models/report.rb

@@ -2,6 +2,13 @@ class Report
 
   @@years = Bike.all.each.map{|bike| bike.date_sold.year if bike.date_sold}
 
+  def self.bikes_fixed_per_week
+    beginning_of_year = Time.now.beginning_of_year
+    bikes = Bike.where("entry_date > ?", beginning_of_year)
+    weekly_data = bikes.group_by{|b| DateTime.strptime(b.entry_date, "%m/%d/%y").beginning_of_week}
+    weekly_data.to_a.sort!{|a, b| a.first <=> b.first}.to_h
+  end
+
   def self.bikes_sold_per_year
     counts = Hash.new(0)
     @@years.each { |year| counts[year] += 1 }
@@ -13,7 +20,6 @@ class Report
     years_prices = @@years.each_with_index.map{|year, index| {prices[index].to_s.to_sym => year}}
     merged_years_prices = years_prices.reduce({}, :merge)
     years_prices_grouped = merged_years_prices.group_by{|k, v| v}
-    
     average_price_array = years_prices_grouped.each.map{ |k, year_values|
       year_prices = year_values.each.map{|pair| pair[0]}
       float_prices = year_prices.map{|price| price.to_s.to_f}

app/views/reports/bikes_fixed_per_week.html.haml

@@ -0,0 +1,15 @@
+.container
+  %h1 Bikes Fixed Per Week This Year
+  %p Because of some discrepancies in the way date data has been stored, this data may be off. Consider this feature *experimental* while this message persists. Contact Louis for more information.
+  %table.table
+    %thead
+      %tr
+        %th Week beginning
+        %th Number of Bikes
+        %th Mechanics Responsible
+    %tbody
+      - @weekly_data.each do |week, bikes|
+        %tr
+          %td= week.strftime("%m/%d/%y")
+          %td= bikes.length
+          %td= bikes.map(&:mechanic).uniq.to_sentence