add day_log model

app/models/day_log.rb

@@ -0,0 +1,6 @@
+class DayLog < ApplicationRecord
+  belongs_to :user
+
+  validates :day, presence: true
+  validates :info, presence: true
+end

db/migrate/20260319181607_create_day_logs.rb

@@ -0,0 +1,13 @@
+class CreateDayLogs < ActiveRecord::Migration[8.0]
+  def change
+    create_table :day_logs do |t|
+      t.date :day, null: false
+      t.text :info, null: false
+      t.references :user, null: false, foreign_key: true
+
+      t.index :day, unique: true
+
+      t.timestamps
+    end
+  end
+end

db/schema.rb

@@ -10,7 +10,7 @@
 #
 # It's strongly recommended that you check this file into your version control system.
 
-ActiveRecord::Schema[8.0].define(version: 2026_03_15_183258) do
+ActiveRecord::Schema[8.0].define(version: 2026_03_19_181607) do
   create_table "active_storage_attachments", force: :cascade do |t|
     t.string "name", null: false
     t.string "record_type", null: false
@@ -39,6 +39,16 @@ ActiveRecord::Schema[8.0].define(version: 2026_03_15_183258) do
     t.index ["blob_id", "variation_digest"], name: "index_active_storage_variant_records_uniqueness", unique: true
   end
 
+  create_table "day_logs", force: :cascade do |t|
+    t.date "day", null: false
+    t.text "info", null: false
+    t.integer "user_id", null: false
+    t.datetime "created_at", null: false
+    t.datetime "updated_at", null: false
+    t.index ["day"], name: "index_day_logs_on_day", unique: true
+    t.index ["user_id"], name: "index_day_logs_on_user_id"
+  end
+
   create_table "modes", force: :cascade do |t|
     t.string "label"
     t.string "color"
@@ -92,6 +102,7 @@ ActiveRecord::Schema[8.0].define(version: 2026_03_15_183258) do
 
   add_foreign_key "active_storage_attachments", "active_storage_blobs", column: "blob_id"
   add_foreign_key "active_storage_variant_records", "active_storage_blobs", column: "blob_id"
+  add_foreign_key "day_logs", "users"
   add_foreign_key "modes", "users"
   add_foreign_key "moods", "modes"
   add_foreign_key "moods", "users"

spec/factories/day_logs.rb

@@ -0,0 +1,7 @@
+FactoryBot.define do
+  factory :day_log do
+    day { "2026-03-19" }
+    info { "Arrivée à Paris" }
+    user { association :user }
+  end
+end

spec/models/day_log_spec.rb

@@ -0,0 +1,24 @@
+require 'rails_helper'
+
+describe DayLog, type: :model do
+  subject { build(:day_log) }
+
+  it { is_expected.to be_valid }
+
+  describe "validations" do
+    it "is invalid without a day" do
+      subject.day = nil
+      expect(subject).not_to be_valid
+    end
+
+    it "is invalid without info" do
+      subject.info = nil
+      expect(subject).not_to be_valid
+    end
+
+    it "is invalid without a user" do
+      subject.user = nil
+      expect(subject).not_to be_valid
+    end
+  end
+end