Add tag association to learning goals

app/controllers/learning_goals_controller.rb

@@ -56,6 +56,7 @@ class LearningGoalsController < ApplicationController
       :retrospective,
       :completed,
       :user,
+      tag_ids: [],
     )
   end
 

app/models/learning_goal.rb

@@ -5,4 +5,7 @@ class LearningGoal < ApplicationRecord
   has_rich_text :retrospective
 
   validates :title, presence: true
+
+  has_and_belongs_to_many :tags
+  accepts_nested_attributes_for :tags
 end

app/models/tag.rb

@@ -4,6 +4,7 @@ class Tag < ApplicationRecord
   validates :name, presence: true
   has_many :microposts_tags
   has_many :microposts, through: :microposts_tags
+  has_and_belongs_to_many :learning_goals
 
   def to_param
     name

app/views/learning_goals/_form.html.erb

@@ -16,6 +16,9 @@
   <%= f.label :completed %>
   <%= f.check_box :completed %>
 
+  <%= f.label :microposts_tag %>
+  <%= f.collection_check_boxes :tag_ids, Tag.all, :id, :name %>
+
   <%= f.submit button_text %>
 <% end %>
 

db/migrate/20240106103226_learning_goal_tag_association.rb

@@ -0,0 +1,5 @@
+class LearningGoalTagAssociation < ActiveRecord::Migration[7.1]
+  def change
+    create_join_table :learning_goals, :tags
+  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_01_06_093517) do
+ActiveRecord::Schema[7.1].define(version: 2024_01_06_103226) do
   # These are extensions that must be enabled in order to support this database
   enable_extension "plpgsql"
 
@@ -108,6 +108,11 @@ ActiveRecord::Schema[7.1].define(version: 2024_01_06_093517) do
     t.index ["user_id"], name: "index_learning_goals_on_user_id"
   end
 
+  create_table "learning_goals_tags", id: false, force: :cascade do |t|
+    t.bigint "learning_goal_id", null: false
+    t.bigint "tag_id", null: false
+  end
+
   create_table "microposts", force: :cascade do |t|
     t.bigint "user_id", null: false
     t.datetime "created_at", null: false