Feature/Create 'tutor_times' table and 'TutorTime' Model

app/models/tutor_time.rb

@@ -0,0 +1,12 @@
+class TutorTime < ApplicationRecord
+  belongs_to :user
+  belongs_to :task
+
+  validates :user_id, presence: true
+  validates :task_id, presence: true
+  validates :time_spent, presence: true, numericality: { greater_than_or_equal_to: 0 }
+
+  def time_spent_in_hours
+    time_spent.to_f / 60
+  end
+end

db/migrate/20250324073540_create_tutor_times.rb

@@ -0,0 +1,10 @@
+class CreateTutorTimes < ActiveRecord::Migration[7.1]
+  def change
+    create_table :tutor_times do |t|
+      t.references :user, null: false, foreign_key: true
+      t.references :task, null: false, foreign_key: true
+      t.integer :time_spent, null: false, default: 0
+      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[7.1].define(version: 2024_05_28_223908) do
+ActiveRecord::Schema[7.1].define(version: 2025_03_24_073540) do
   create_table "activity_types", charset: "utf8", collation: "utf8_unicode_ci", force: :cascade do |t|
     t.string "name", null: false
     t.string "abbreviation", null: false
@@ -394,6 +394,16 @@
     t.index ["tii_task_similarity_id"], name: "index_tii_submissions_on_tii_task_similarity_id"
   end
 
+  create_table "tutor_times", charset: "utf8mb4", collation: "utf8mb4_general_ci", force: :cascade do |t|
+    t.bigint "user_id", null: false
+    t.bigint "task_id", null: false
+    t.integer "time_spent", default: 0, null: false
+    t.datetime "created_at", null: false
+    t.datetime "updated_at", null: false
+    t.index ["task_id"], name: "index_tutor_times_on_task_id"
+    t.index ["user_id"], name: "index_tutor_times_on_user_id"
+  end
+
   create_table "tutorial_enrolments", charset: "utf8", collation: "utf8_unicode_ci", force: :cascade do |t|
     t.datetime "created_at", null: false
     t.datetime "updated_at", null: false
@@ -531,4 +541,6 @@
     t.index ["user_id"], name: "index_webcals_on_user_id", unique: true
   end
 
+  add_foreign_key "tutor_times", "tasks"
+  add_foreign_key "tutor_times", "users"
 end