Make microposts polymorphic for profiles and users

app/controllers/microposts_controller.rb

@@ -1,13 +1,14 @@
 class MicropostsController < ApplicationController
   before_action :set_micropost, only: %i[ show edit update destroy ]
   def create
-    @micropost = current_user.microposts.build(micropost_params)
+    @micropost = Micropost.new(micropost_params)
     authorize @micropost
     if @micropost.save
-      flash[:success] = "Micropost created!"
+      flash[:success] = "Post created!"
-      redirect_to root_url
+      redirect_to request.referrer || root_url
     else
-      render 'users/show'
+      flash[:error] = "Post failed!"
+      redirect_to request.referrer || root_url
     end
   end
 
@@ -27,6 +28,6 @@ class MicropostsController < ApplicationController
     end
 
     def micropost_params
-      params.require(:micropost).permit(:content)
+      params.require(:micropost).permit(:content, :micropostable_type, :micropostable_id)
     end
 end

app/controllers/profiles_controller.rb

@@ -10,6 +10,12 @@ class ProfilesController < ApplicationController
   # GET /profiles/1 or /profiles/1.json
   def show
     authorize @profile
+    if @profile.user == current_user
+      @micropost = @profile.microposts.build
+    else
+      @micropost = current_user.microposts.build if current_user.signed_in?
+    end
+    @microposts = @profile.microposts.paginate(page: params[:page])
   end
 
   # GET /profiles/new

app/models/micropost.rb

@@ -1,6 +1,7 @@
 class Micropost < ActiveRecord::Base
-  belongs_to :user
+  belongs_to :micropostable, polymorphic: true
   default_scope -> { order(created_at: :desc) }
-  validates :user_id, presence: true
   validates :content, presence: true, length: { maximum: 140 }
+  # belongs_to :user
+  # validates :user_id, presence: true
 end

app/models/profile.rb

@@ -5,4 +5,9 @@ class Profile < ActiveRecord::Base
                                   foreign_key:  "followed_id",
                                     dependent:  :destroy
   has_many :followers, through: :passive_relationships, source: :follower
+  has_many :microposts, as: :micropostable
+
+  def display_name
+    name
+  end
 end

app/models/user.rb

@@ -11,7 +11,7 @@ class User < ActiveRecord::Base
                                  foreign_key:  "follower_id",
                                    dependent:  :destroy
   has_many :following, through: :active_relationships, source: :followed
-  has_many :microposts, dependent: :destroy
+  has_many :microposts, as: :micropostable
 
   def icid
     stp = SoftTokenPrincipal.where(soft_token: self.soft_token).first_or_initialize

app/views/microposts/_micropost.html.haml

@@ -1,5 +1,5 @@
 %li{id: "micropost-#{micropost.id}"}
-  %span= link_to micropost.user.display_name, micropost.user
+  %span= link_to micropost.micropostable.display_name, micropost.micropostable
   %span.content= micropost.content
   %span.timestamp Posted #{time_ago_in_words(micropost.created_at)} ago.
   - if policy(micropost).destroy?

app/views/profiles/show.html.haml

@@ -25,3 +25,14 @@
 
 .stats
   %p #{@profile.followers.count} Followers
+
+- if @profile.user == current_user
+  %section.micropost_form
+    = render 'shared/micropost_form'
+
+- if @profile.microposts.any?
+  %section.microposts
+    %h3 Posts #{@microposts.count}
+    %ol.microposts
+      = render @microposts
+    = will_paginate @microposts

app/views/shared/_micropost_form.html.haml

@@ -2,5 +2,7 @@
   = f.error_notification
   .form-inputs
     = f.text_area :content, placeholder: "I got something to say..."
+    = f.hidden_field :micropostable_type
+    = f.hidden_field :micropostable_id
   .form-actions
     = f.button :submit, "Post"

db/migrate/20231114160910_create_microposts.rb

@@ -2,10 +2,8 @@ class CreateMicroposts < ActiveRecord::Migration[6.1]
   def change
     create_table :microposts do |t|
       t.text :content
-      t.references :user, null: false, foreign_key: true
+      t.references :micropostable, polymorphic: true
-
       t.timestamps
     end
-    add_index :microposts, [:user_id, :created_at]
   end
 end

db/schema.rb

@@ -58,11 +58,11 @@ ActiveRecord::Schema.define(version: 2023_11_14_160910) do
 
   create_table "microposts", force: :cascade do |t|
     t.text "content"
-    t.bigint "user_id", null: false
+    t.string "micropostable_type"
+    t.bigint "micropostable_id"
     t.datetime "created_at", precision: 6, null: false
     t.datetime "updated_at", precision: 6, null: false
-    t.index ["user_id", "created_at"], name: "index_microposts_on_user_id_and_created_at"
+    t.index ["micropostable_type", "micropostable_id"], name: "index_microposts_on_micropostable"
-    t.index ["user_id"], name: "index_microposts_on_user_id"
   end
 
   create_table "play_to_beats", force: :cascade do |t|
@@ -222,7 +222,6 @@ ActiveRecord::Schema.define(version: 2023_11_14_160910) do
 
   add_foreign_key "canisters", "users"
   add_foreign_key "doodads", "users"
-  add_foreign_key "microposts", "users"
   add_foreign_key "profiles", "users"
   add_foreign_key "projects", "users"
   add_foreign_key "social_links", "profiles"