質問編集履歴

修正

2020/07/29 09:34

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yastinbieber

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@@ -385,3 +385,125 @@
 ```
+## 質問に対するご回答をもとに出した内容
+```
+##idealweight.rb
+class Idealweight < ApplicationRecord
+	belongs_to :user
+  has_many :fooddiaries
+  has_many :advicediaries
+  has_many :weightchanges
+  before_save do
+    if user.sex == "男"
+      self.basemetabolism = 13.397*(weight)+4.799*(height)-5.677*(user.age)+88.362 #男性の場合
+    else
+      self.basemetabolism = 9.247*(weight)+3.098*(height)-4.33*(user.age)+447.593 #女性の場合
+    end
+    self.kcalburned = (basemetabolism)*(exerciselevel)
+    self.minusweight = (weight)-(targetweight)
+    self.minuskcal = (minusweight)*7000
+    self.period = ((last_day) - (start_day)).to_i
+    self.minusweight_day = (minusweight) / (period)
+    self.kcalintake = (kcalburned)-(minuskcal)/(period)
+    self.intakeproteingram = (weight)*2
+    self.intakeproteinkcal = (weight)*2*4
+    self.intakefatgram = (weight)*0.7
+    self.intakefatkcal = (weight)*0.7*9
+    self.intakecarbokcal = (kcalintake)-(intakeproteinkcal)-(intakefatkcal)
+    self.intakecarbogram = (intakecarbokcal)/4
+  end
+#リアルタイムでの今日
+  def today_date
+    @today = Date.today
+    @today.strftime("%Y%m%d").to_i
+  end
+#ボディメイク開始日
+  def start_day_date
+    start_day.strftime("%Y%m%d").to_i
+  end
+#今日は何日目か
+  def what_day
+    ((today_date)+1) - (start_day_date)
+  end
+end
+```
+```
+##weightchange.rb
+class Weightchange < ApplicationRecord
+  belongs_to :user
+  belongs_to :idealweight
+  before_save do
+    self.expected_weight = (idealweight.weight)-((idealweight.minusweight_day)*(idealweight.what_day))
+  end
+end
+```