Merge pull request #19 from logicisaliar/pincode

Create Pincode model and controller along with pincode, city and stat…

app/controllers/cities_controller.rb

@@ -1,18 +1,32 @@
 class CitiesController < ApplicationController
 
   skip_before_action :authenticate_user!
-  before_action :set_city, only: [:update]
+  before_action :set_city, only: [:edit, :update]
 
 
   def new
     @states = class_label(State.all)
     @city = City.new
   end
 
+  def create
+    @city = City.new(city_params)
+    if @city.save!
+      redirect_to cities_path
+    else
+      render :new
+    end
+  end
+
   def edit
     @states = class_label(State.all)
   end
 
+  def update
+    @city.update(city_params)
+    redirect_to cities_path
+  end
+
   def index
     filename = "city"
     csv_read(filename)
@@ -42,7 +56,7 @@ def csv_read(filename)
     csv_text = File.read(Rails.root.join('lib', 'seeds', "#{filename}.csv"))
     csv = CSV.parse(csv_text, :headers => true, :encoding => 'ISO-8859-1')
     csv.each do |row|
-      t = State.new
+      t = City.new
       t.name = row['name']
       t.state_id = row['state_id']
       t.save

app/controllers/pincodes_controller.rb

@@ -0,0 +1,68 @@
+class PincodesController < ApplicationController
+
+  skip_before_action :authenticate_user!
+  before_action :set_pincode, only: [:edit, :update]
+
+  def new
+    @pincode = Pincode.new
+  end
+
+  def create
+    @pincode = Pincode.new(pincode_params)
+    if @pincode.save!
+      redirect_to pincodes_path
+    else
+      render :new
+    end
+  end
+
+  def edit
+  end
+
+  def update
+    @pincode.update(pincode_params)
+    redirect_to pincode_path
+  end
+
+  def index
+    filename = "pincode"
+    csv_read(filename)
+    @pincodes = Pincode.all
+  end
+
+  private
+
+  def pincode_params
+    params.require(:pincode).permit(:pin, :city_id)
+  end
+
+  def set_pincode
+    @pincode = Pincode.find(params[:id])
+  end
+
+  # def class_label(cls)
+  #   return_array = []
+  #   sorted = cls.sort_by &:name
+  #   sorted.each do |p|
+  #     return_array << [p.id, "#{p.name} (#{p.code}) "]
+  #   end
+  #   return_array
+  # end
+
+    def csv_read(filename)
+    csv_text = File.read(Rails.root.join('lib', 'seeds', "#{filename}.csv"))
+    csv = CSV.parse(csv_text, :headers => true, :encoding => 'ISO-8859-1')
+    count = 0
+    csv.each do |row|
+      t = Pincode.new
+      t.pin = row['pin']
+      t.city_id = row['city_id']
+      if (count > 100)
+      end
+      t.save
+      count += 1
+    end
+  end
+
+end
+

app/models/city.rb

@@ -1,3 +1,5 @@
 class City < ApplicationRecord
+  validates_uniqueness_of :name, scope: :state_id
   belongs_to :state
+  has_many :pincodes
 end

app/models/pincode.rb

@@ -0,0 +1,5 @@
+class Pincode < ApplicationRecord
+  belongs_to :city
+  delegate :state, :to => :city, :allow_nil => true
+  validates :pin, uniqueness: true
+end

app/models/state.rb

@@ -1,4 +1,5 @@
 class State < ApplicationRecord
   validates :name, uniqueness: true
+  has_many :pincodes, :through => :cities
   has_many :cities
 end

app/views/cities/index.html.erb

@@ -0,0 +1,6 @@
+<h1>Cities</h1>
+<% @cities.each do |c| %>
+<%= c.id %>
+<%= c.name %>
+<%= c.state.name %>
+<% end %>

app/views/pages/home.html.erb

@@ -7,6 +7,11 @@
 <%= link_to "New Product", new_product_path  %>
 <%= link_to "Items", items_path  %>
 <%= link_to "New Item", new_item_path  %>
+<%= link_to "New Pincode", new_pincode_path  %>
+<%= link_to "Pincodes", pincodes_path  %>
+<%= link_to "Cities", cities_path  %>
+<%= link_to "States", states_path  %>
+
 <br>
 <br>
 <br>

app/views/pincodes/_form.html.erb

@@ -0,0 +1,9 @@
+<h1>Pincode</h1>
+<%= simple_form_for pincode do |f| %>
+<%= f.error_notification %>
+  <%= f.input :pin %>
+  <%= f.input :city_id, collection: City.all %>
+  <%= f.button :submit %>
+<% end %>
+
+<%= link_to "Go back", root_path %>

app/views/pincodes/edit.html.erb

@@ -0,0 +1 @@
+<%= render "form", pincode: @pincode %>

app/views/pincodes/index.html.erb

@@ -0,0 +1,9 @@
+<h1>Pincodes</h1>
+<% @pincodes.each do |p| %>
+<%= p.pin %>
+<%= p.city.name %>
+<%= p.state.name %>
+<br>
+<% end %>
+
+<%= link_to "Go back", root_path %>

app/views/pincodes/new.html.erb

@@ -0,0 +1 @@
+<%= render "form", pincode: @pincode %>

config/routes.rb

@@ -7,6 +7,7 @@
   resources :packings, only: [:index]
   resources :uses, only: [:index]
   resources :categories, only: [:index, :new, :create]
+  resources :pincodes, only: [:index, :new, :create, :edit, :update]
   resources :cities, only: [:index, :new, :create]
   resources :harmonics, only: [:index, :new, :create]
   resources :products

db/migrate/20180908110541_create_pincodes.rb

@@ -0,0 +1,10 @@
+class CreatePincodes < ActiveRecord::Migration[5.2]
+  def change
+    create_table :pincodes do |t|
+      t.integer :pin
+      t.references :city, 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: 2018_09_08_092106) do
+ActiveRecord::Schema.define(version: 2018_09_08_110541) do
 
   # These are extensions that must be enabled in order to support this database
   enable_extension "plpgsql"
@@ -65,6 +65,14 @@
     t.datetime "updated_at", null: false
   end
 
+  create_table "pincodes", force: :cascade do |t|
+    t.integer "pin"
+    t.bigint "city_id"
+    t.datetime "created_at", null: false
+    t.datetime "updated_at", null: false
+    t.index ["city_id"], name: "index_pincodes_on_city_id"
+  end
+
   create_table "products", force: :cascade do |t|
     t.float "discount"
     t.text "description"
@@ -125,6 +133,7 @@
   add_foreign_key "cities", "states"
   add_foreign_key "items", "packings"
   add_foreign_key "items", "products"
+  add_foreign_key "pincodes", "cities"
   add_foreign_key "products", "harmonics"
   add_foreign_key "products", "types"
 end