Add Weibo client, add picture upload

app/clients/weibo.rb

@@ -0,0 +1,29 @@
+class Weibo
+  UPLOAD_URL = 'http://picupload.service.weibo.com/interface/pic_upload.php?' +
+  'cb=http%3A%2F%2Fwww.weibo.com%2F&url=0&markpos=1&logo=&nick=0&marks=1&app=miniblog&s=rdxt'
+  COOKIE_STRING_KEY = 'weibo:cookie_string'
+
+  def initialize
+  end
+
+  def upload_picture(file, content_type)
+    form_file = HTTP::FormData::File.new(file, mime_type: content_type)
+    resp = HTTP.headers(cookie: cookie_string).post(UPLOAD_URL, form: {pic1: form_file})
+
+    redirect_url = URI(resp.headers['Location'] || '')
+    query = Rack::Utils.parse_query(redirect_url.query)
+    query['pid']
+  end
+
+  def cookie_string
+    @cookie_string ||= self.class.get_cookie_string
+  end
+
+  def self.set_cookie_string(cookie_string)
+    Redis.current.set(COOKIE_STRING_KEY, cookie_string)
+  end
+
+  def self.get_cookie_string
+    Redis.current.get(COOKIE_STRING_KEY)
+  end
+end

app/controllers/pictures_controller.rb

@@ -0,0 +1,23 @@
+class PicturesController < ApplicationController
+
+  def index
+
+  end
+
+  def create
+    if params[:picture].present?
+      @picture = Picture.new(picture_params)
+      @picture.upload_picture
+      @picture.save
+    else
+      redirect_to :back
+    end
+  end
+
+  private
+
+  def picture_params
+    params.require(:picture).permit(:file)
+  end
+
+end

app/models/picture.rb

@@ -0,0 +1,27 @@
+# Sina CDN domains: wx1.sinaimg.cn wx2.sinaimg.cn wx3.sinaimg.cn wx4.sinaimg.cn
+# Sina CDN versions: square large
+class Picture < ApplicationRecord
+  attr_accessor :file
+
+  ## validations
+  validates_presence_of :filename, :pid
+
+  def sinaimg_url(version = 'large')
+    "https://wx1.sinaimg.cn/#{version}/#{self.pid}#{self.extname}"
+  end
+
+  def extname
+    if File.extname(self.filename) == '.gif'
+      '.gif'
+    else
+      '.jpg'
+    end
+  end
+
+  def upload_picture
+    if self.file.present?
+      self.filename = self.file.original_filename
+      self.pid = Weibo.new.upload_picture(self.file.tempfile, self.file.content_type)
+    end
+  end
+end

app/views/pictures/create.html.slim

@@ -0,0 +1,8 @@
+.row
+  .col-sm-6.col-sm-offset-3
+    - if @picture.persisted?
+      h1 Uploaded Picture
+      .thumbnail
+        = image_tag(@picture.sinaimg_url)
+    - else
+      h1 Upload Failed

app/views/pictures/index.html.slim

@@ -0,0 +1,7 @@
+.row
+  .col-sm-6.col-sm-offset-3
+    h1 Select Picture
+    .well
+      = simple_form_for :picture, url: pictures_path do |f|
+        = f.input :file, as: :file
+        = f.submit class: 'btn btn-default btn-block'

config/routes.rb

@@ -17,6 +17,7 @@
     end
   end
   resources :sessions, only: [:create]
+  resources :pictures, only: [:index, :create]
 
   namespace :pages do
     get :girls

db/migrate/20170212142609_create_pictures.rb

@@ -0,0 +1,10 @@
+class CreatePictures < ActiveRecord::Migration[5.0]
+  def change
+    create_table :pictures do |t|
+      t.string :filename
+      t.string :pid
+
+      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: 20161223163447) do
+ActiveRecord::Schema.define(version: 20170212142609) do
 
   # These are extensions that must be enabled in order to support this database
   enable_extension "plpgsql"
@@ -46,6 +46,13 @@
     t.datetime "updated_at", null: false
   end
 
+  create_table "pictures", force: :cascade do |t|
+    t.string   "filename"
+    t.string   "pid"
+    t.datetime "created_at", null: false
+    t.datetime "updated_at", null: false
+  end
+
   create_table "positions", force: :cascade do |t|
     t.jsonb    "json"
     t.jsonb    "box"