Add ability to create post with images

app/controllers/api/v1/posts_controller.rb

@@ -1,6 +1,6 @@
 class Api::V1::PostsController < Api::V1::ApplicationController
 
-  before_action :permit_params, :check_url, :map_post_type, :get_post, only: [:create]
+  before_action :permit_params, :get_post, only: [:create]
   before_action :load_post, only: [:add_viewed_times, :show]
 
   skip_before_action :authenticate_user_from_token, only: [:posts, :show, :liked_posts, :bookmarked_posts, :random]
@@ -9,7 +9,7 @@ class Api::V1::PostsController < Api::V1::ApplicationController
 
   before_action :load_target_user, only: [:posts, :liked_posts, :bookmarked_posts]
 
-  after_action :process_post, only: :create
+  # after_action :process_post, only: :create
 
   POST_TYPE = {
     :ARTICLE => 'article',
@@ -17,13 +17,10 @@ class Api::V1::PostsController < Api::V1::ApplicationController
   }
 
   def create
-    if @current_user.share_instances.where(sharable: @post).empty?
-      share_instance = @current_user.share_instances.create! sharable: @post, description: params[:description]
-      @current_user.timeline_sources.create! post_id: @post.id, action_type: 'share'
-      render json: share_instance.to_json(include: :sharable)
-    else
-      render json: {message: '请勿重复分享同一资源'}, status: 409
-    end
+    share_instance = @current_user.share_instances.create! sharable: @post, description: params[:description]
+    @current_user.timeline_sources.create! post_id: @post.id, action_type: 'share'
+    @post.images.create permit_params[:images]
+    render json: share_instance.to_json(include: :sharable)
   end
 
   def show
@@ -67,14 +64,15 @@ class Api::V1::PostsController < Api::V1::ApplicationController
   private
 
   def permit_params
-    params.permit(:url, :type, :description)
+    params.permit(:url, :type, :description, :title, :images => [:url, :title, :key])
   end
 
   def get_post
     begin
-      @post = Post.find_or_create_by!(url: params[:url], type: @type)
-    rescue ActiveRecord::RecordInvalid
-      return render json: {msg: '缺少参数，校验失败'}, status: 400
+      @post = Post.find_or_create_by!(title: params[:title], url: 'NONE', type: 'Article')
+    rescue ActiveRecord::RecordInvalid => e
+      Rails.logger.warn e
+      return render json: (msg： e), status: 400
     end
 
   end

app/models/image.rb

@@ -0,0 +1,4 @@
+class Image < ApplicationRecord
+  belongs_to :post
+  belongs_to :user
+end

app/models/post.rb

@@ -6,6 +6,8 @@ class Post < ActiveRecord::Base
   has_many :share_instances, as: :sharable, dependent: :destroy
   has_many :timeline_sources
 
+  has_many :images
+
   has_one :thumbnail
 
   validates_presence_of :url, :type

config/database.yml

@@ -18,7 +18,7 @@ default: &default
   reconnect: true
   adapter: postgresql
   encoding: unicode
-  host: postgres
+  host: localhost
   username: postgres
   # For details on connection pooling, see rails configuration guide
   # http://guides.rubyonrails.org/configuring.html#database-pooling

db/migrate/20180604111225_create_images.rb

@@ -0,0 +1,13 @@
+class CreateImages < ActiveRecord::Migration[5.2]
+  def change
+    create_table :images do |t|
+      t.string :key
+      t.string :url
+      t.string :title
+      t.references :post, foreign_key: true
+      t.references :user, foreign_key: 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.define(version: 2015_11_25_153022) do
+ActiveRecord::Schema.define(version: 2018_06_04_111225) do
 
   # These are extensions that must be enabled in order to support this database
   enable_extension "plpgsql"
@@ -95,6 +95,18 @@ ActiveRecord::Schema.define(version: 2015_11_25_153022) do
     t.index ["user_id"], name: "index_identities_on_user_id"
   end
 
+  create_table "images", force: :cascade do |t|
+    t.string "key"
+    t.string "url"
+    t.string "title"
+    t.bigint "post_id"
+    t.bigint "user_id"
+    t.datetime "created_at", null: false
+    t.datetime "updated_at", null: false
+    t.index ["post_id"], name: "index_images_on_post_id"
+    t.index ["user_id"], name: "index_images_on_user_id"
+  end
+
   create_table "likes", force: :cascade do |t|
     t.integer "user_id"
     t.integer "likable_id"
@@ -176,4 +188,6 @@ ActiveRecord::Schema.define(version: 2015_11_25_153022) do
   end
 
   add_foreign_key "identities", "users"
+  add_foreign_key "images", "posts"
+  add_foreign_key "images", "users"
 end

docker-compose.yml

@@ -14,14 +14,12 @@ services:
       - "3000:3000"
     links:
       - postgres
-    networks:
-      - dev
     entrypoint: [./entrypoint.sh]
     command: bundle exec puma -t 5:5 -p 3000
   postgres:
     image: postgres:latest
-    networks:
-      - dev
+    ports:
+      - "5432:5432"
     environment:
       POSTGRES_DB: tuxue
     volumes:
@@ -29,6 +27,3 @@ services:
 
 volumes:
   gems_cache:
-
-networks:
-  dev: