diff --git a/app/models/user.rb b/app/models/user.rb
index 7df92ba..6fc0754 100644
--- a/app/models/user.rb
+++ b/app/models/user.rb
@@ -33,7 +33,7 @@ class User < ApplicationRecord
   end
 
   def history
-    MoodCalendarService.generate_calendar(moods)
+    MoodCalendarService.generate_calendar(self)
   end
 
   def current_mode
diff --git a/app/services/mood_calendar_service.rb b/app/services/mood_calendar_service.rb
index 70fd143..8625067 100644
--- a/app/services/mood_calendar_service.rb
+++ b/app/services/mood_calendar_service.rb
@@ -1,6 +1,6 @@
 class MoodCalendarService
-  def self.generate_calendar(moods, start_date: nil, end_date: Date.current)
-    data = moods.includes(:mode)
+  def self.generate_calendar(user, start_date: nil, end_date: Date.current)
+    data = user.moods.includes(:mode)
       .order(:recorded_at)
       .map { |mood| { mode: mood.mode, recorded_at: mood.recorded_at } }
 
diff --git a/spec/services/mood_calendar_service_spec.rb b/spec/services/mood_calendar_service_spec.rb
index c93e0f5..8315268 100644
--- a/spec/services/mood_calendar_service_spec.rb
+++ b/spec/services/mood_calendar_service_spec.rb
@@ -14,7 +14,7 @@ RSpec.describe MoodCalendarService do
         create(:mood, user: user, mode: mode, recorded_at: Time.zone.parse("2025-02-18 16:45:00"))
 
         result = MoodCalendarService.generate_calendar(
-          Mood.where(user: user),
+          user,
           end_date: Date.parse("2025-02-28")
         )
 
@@ -53,7 +53,7 @@ RSpec.describe MoodCalendarService do
         create(:mood, user: user, mode: mode2, recorded_at: Time.zone.parse("2025-04-20 11:30:00"))
 
         result = MoodCalendarService.generate_calendar(
-          Mood.where(user: user),
+          user,
           end_date: Date.parse("2025-04-30")
         )
 
@@ -85,7 +85,7 @@ RSpec.describe MoodCalendarService do
 
     context 'sans aucun recorded_at' do
       it 'retourne un calendrier à partir de la date courante' do
-        result = MoodCalendarService.generate_calendar(Mood.where(user: user))
+        result = MoodCalendarService.generate_calendar(user)
 
         expect(result).not_to be_empty
         expect(result.first[:month]).to eq(Date.current.beginning_of_month)
@@ -97,7 +97,7 @@ RSpec.describe MoodCalendarService do
         create(:mood, user: user, mode: mode, recorded_at: Time.zone.parse("2025-02-15 10:00:00"))
 
         result = MoodCalendarService.generate_calendar(
-          Mood.where(user: user),
+          user,
           end_date: Date.parse("2025-02-28")
         )
 
@@ -112,7 +112,7 @@ RSpec.describe MoodCalendarService do
         create(:mood, user: user, mode: mode, recorded_at: Time.zone.parse("2025-02-15 10:00:00"))
 
         result = MoodCalendarService.generate_calendar(
-          Mood.where(user: user),
+          user,
           end_date: Date.parse("2025-03-31")
         )
 
@@ -134,7 +134,7 @@ RSpec.describe MoodCalendarService do
         create(:mood, user: user, mode: mode, recorded_at: Time.zone.parse("2025-02-15 10:00:00"))
 
         result = MoodCalendarService.generate_calendar(
-          Mood.where(user: user),
+          user,
           end_date: Date.parse("2025-02-28")
         )
 
@@ -148,7 +148,7 @@ RSpec.describe MoodCalendarService do
         create(:mood, user: user, mode: mode, recorded_at: Time.zone.parse("2025-02-15 10:00:00"))
 
         result = MoodCalendarService.generate_calendar(
-          Mood.where(user: user),
+          user,
           end_date: Date.parse("2025-02-28")
         )
 
@@ -163,7 +163,7 @@ RSpec.describe MoodCalendarService do
       it "utilise le premier mood comme start_date et aujourd'hui comme end_date" do
         create(:mood, user: user, mode: mode, recorded_at: Time.zone.parse("2025-02-15 10:00:00"))
 
-        result = MoodCalendarService.generate_calendar(Mood.where(user: user))
+        result = MoodCalendarService.generate_calendar(user)
 
         expect(result).not_to be_empty
         expect(result.first[:month]).to eq(Date.parse("2025-02-01"))
@@ -175,7 +175,7 @@ RSpec.describe MoodCalendarService do
         create(:mood, user: user, mode: mode, recorded_at: Time.zone.parse("2025-02-15 10:00:00"))
 
         result = MoodCalendarService.generate_calendar(
-          Mood.where(user: user),
+          user,
           start_date: Date.parse("2025-03-01"),
           end_date: Date.parse("2025-03-31")
         )
@@ -190,7 +190,7 @@ RSpec.describe MoodCalendarService do
         create(:mood, user: user, mode: mode, recorded_at: Time.zone.parse("2025-02-15 10:00:00"))
 
         result = MoodCalendarService.generate_calendar(
-          Mood.where(user: user),
+          user,
           end_date: Date.parse("2025-09-30")
         )
 
@@ -205,7 +205,7 @@ RSpec.describe MoodCalendarService do
         create(:mood, user: user, mode: mode2, recorded_at: Time.zone.parse("2025-04-20 10:00:00"))
 
         result = MoodCalendarService.generate_calendar(
-          Mood.where(user: user),
+          user,
           start_date: Date.parse("2025-03-01"),
           end_date: Date.parse("2025-03-31")
         )
@@ -221,7 +221,7 @@ RSpec.describe MoodCalendarService do
         create(:mood, user: user, mode: mode, recorded_at: Time.zone.parse("2025-02-15 10:00:00"))
 
         result = MoodCalendarService.generate_calendar(
-          Mood.where(user: user),
+          user,
           start_date: Date.parse("2025-02-01"),
           end_date: Date.parse("2025-04-30")
         )
@@ -238,7 +238,7 @@ RSpec.describe MoodCalendarService do
         create(:mood, user: user, mode: mode, recorded_at: Time.zone.parse("2025-02-15 10:00:00"))
 
         result = MoodCalendarService.generate_calendar(
-          Mood.where(user: user),
+          user,
           start_date: Time.zone.parse("2025-02-01 00:00:00"),
           end_date: Time.zone.parse("2025-02-28 23:59:59")
         )
@@ -253,7 +253,7 @@ RSpec.describe MoodCalendarService do
         create(:mood, user: user, mode: mode, recorded_at: Time.zone.parse("2025-02-15 10:00:00"))
 
         result = MoodCalendarService.generate_calendar(
-          Mood.where(user: user),
+          user,
           start_date: Date.parse("2025-04-01"),
           end_date: Date.parse("2025-04-30")
         )
@@ -272,7 +272,7 @@ RSpec.describe MoodCalendarService do
         create(:mood, user: user, mode: mode2, recorded_at: Time.zone.parse("2025-03-20 10:00:00"))
 
         result = MoodCalendarService.generate_calendar(
-          Mood.where(user: user),
+          user,
           end_date: Date.parse("2025-03-31")
         )
 
@@ -297,7 +297,7 @@ RSpec.describe MoodCalendarService do
         create(:mood, user: user2, mode: mode2, recorded_at: Time.zone.parse("2025-02-16 10:00:00"))
 
         result = MoodCalendarService.generate_calendar(
-          Mood.where(user: user),
+          user,
           end_date: Date.parse("2025-02-28")
         )