From d39f00165e4215029e239c9c4a214485b2adba15 Mon Sep 17 00:00:00 2001
From: Andreas Haller <andreashaller@gmail.com>
Date: Mon, 13 Apr 2015 22:09:28 +0200
Subject: [PATCH] Add Paper model, Paper.import_from_csv

---
 app/models/paper.rb                        | 19 +++++++++++++++++++
 db/migrate/20150413193656_create_papers.rb | 17 +++++++++++++++++
 db/schema.rb                               | 14 +++++++++++++-
 lib/tasks/import_papers.rake               |  7 +++++++
 4 files changed, 56 insertions(+), 1 deletion(-)
 create mode 100644 app/models/paper.rb
 create mode 100644 db/migrate/20150413193656_create_papers.rb
 create mode 100644 lib/tasks/import_papers.rake

diff --git a/app/models/paper.rb b/app/models/paper.rb
new file mode 100644
index 0000000..2ec25f2
--- /dev/null
+++ b/app/models/paper.rb
@@ -0,0 +1,19 @@
+require 'csv'
+
+class Paper < ActiveRecord::Base
+  class << self
+    def import_from_csv(csv_string)
+      CSV.parse(csv_string, headers: true) do |row|
+        attributes = {
+          name: row['name'],
+          url: row['url'],
+          reference: row['reference'],
+          paper_type: row['paper_type'],
+          originator: row['originator'],
+          published_at: row['published_at'],
+        }
+        create!(attributes)
+      end
+    end
+  end
+end
diff --git a/db/migrate/20150413193656_create_papers.rb b/db/migrate/20150413193656_create_papers.rb
new file mode 100644
index 0000000..5dad952
--- /dev/null
+++ b/db/migrate/20150413193656_create_papers.rb
@@ -0,0 +1,17 @@
+class CreatePapers < ActiveRecord::Migration def change
+    create_table :papers do |t|
+      t.string :name
+      t.string :url
+      t.string :reference
+      t.string :name
+      t.datetime :published_at
+      t.datetime :scraped_at
+      t.string :paper_type
+      t.string :originator
+      t.text :resolution
+      t.text :content
+
+      t.timestamps
+    end
+  end
+end
diff --git a/db/schema.rb b/db/schema.rb
index f5fa696..a25cb86 100644
--- a/db/schema.rb
+++ b/db/schema.rb
@@ -11,7 +11,19 @@
 #
 # It's strongly recommended that you check this file into your version control system.
 
-ActiveRecord::Schema.define(version: 20141117201926) do
+ActiveRecord::Schema.define(version: 20150413193656) do
+
+  create_table "papers", force: true do |t|
+    t.string   "name"
+    t.string   "url"
+    t.string   "reference"
+    t.datetime "published_at"
+    t.datetime "scraped_at"
+    t.string   "paper_type"
+    t.string   "originator"
+    t.datetime "created_at"
+    t.datetime "updated_at"
+  end
 
   create_table "users", force: true do |t|
     t.string   "email"
diff --git a/lib/tasks/import_papers.rake b/lib/tasks/import_papers.rake
new file mode 100644
index 0000000..87bd129
--- /dev/null
+++ b/lib/tasks/import_papers.rake
@@ -0,0 +1,7 @@
+namespace :import_papers do
+
+  desc 'Import Paper records from CSV'
+  task :from_csv, [:csv_file] => :environment do |t, args|
+    Paper.import_from_csv(File.read(args[:csv_file]))
+  end
+end