Add weight importer for Renpho

ruby_importers/importers/weight/weight.rb

@@ -0,0 +1,49 @@
+require_relative '../importer'
+require 'net/http'
+require 'csv'
+
+module Importers
+  class Weight < Importer
+    def import
+      weight_file.each do |current_date, values|
+        weight = values[:weight]
+        next unless weight > 0
+
+        insert_row_for_date(
+          key: "weight", 
+          value: weight, 
+          date: current_date, 
+          type: "number",
+          question: "Current weight",
+          source: "weight", 
+          import_id: import_id
+        )
+
+        current_date += 1
+      end
+    end
+
+    private
+    def import_id
+      @_import_id ||= SecureRandom.hex
+    end
+
+    def weight_file
+      @weight_file ||= CSV.read(File.join("importers", "weight", "renpho.csv"), headers: true).collect do |row|
+        parsed = row["Date"].match(/(\d\d\/\d\d\/\d\d\d\d)/)[1]
+
+        [
+          Date.strptime(parsed, '%m/%d/%Y'),
+          {
+            weight: row["Weight"].to_f
+          }
+        ]
+      end.to_h
+    end
+  end
+end
+
+if __FILE__ == $0
+  Importers::Weight.new.import
+end
+