From 775e3e014a4f6f69a4d1da0d1a6b3420cfd4ed62 Mon Sep 17 00:00:00 2001
From: Dilraj Somel <dsomel21@gmail.com>
Date: Sat, 3 Jun 2023 14:37:20 -0400
Subject: [PATCH 1/4] Created the migration for `kathas`, `gianis` and
 `chapter_kathas`

---
 app/models/giani.rb                           |  2 +
 ...te_kathas_and_gianis_and_chapter_kathas.rb | 44 +++++++++++++++++++
 db/schema.rb                                  | 34 +++++++++++++-
 3 files changed, 78 insertions(+), 2 deletions(-)
 create mode 100644 app/models/giani.rb
 create mode 100644 db/migrate/20230603170655_create_kathas_and_gianis_and_chapter_kathas.rb

diff --git a/app/models/giani.rb b/app/models/giani.rb
new file mode 100644
index 0000000..00e047a
--- /dev/null
+++ b/app/models/giani.rb
@@ -0,0 +1,2 @@
+class Giani < ApplicationRecord
+end
diff --git a/db/migrate/20230603170655_create_kathas_and_gianis_and_chapter_kathas.rb b/db/migrate/20230603170655_create_kathas_and_gianis_and_chapter_kathas.rb
new file mode 100644
index 0000000..ed8204b
--- /dev/null
+++ b/db/migrate/20230603170655_create_kathas_and_gianis_and_chapter_kathas.rb
@@ -0,0 +1,44 @@
+# frozen_string_literal: true
+
+class CreateKathasAndGianisAndChapterKathas < ActiveRecord::Migration[7.0]
+  def up
+    create_table :gianis do |t|
+      t.string :name, :null => false
+      t.string :artwork_url
+
+      t.timestamps
+    end
+
+    create_table :kathas do |t|
+      t.references :giani, :null => false, :foreign_key => true
+      t.string :title
+      t.string :public_url
+      t.string :soundcloud_url
+      t.integer :year
+
+      t.timestamps
+    end
+
+    create_table :chapter_kathas do |t|
+      t.references :chapter, :null => false, :foreign_key => true
+      t.references :katha, :null => false, :foreign_key => true
+
+      t.timestamps
+    end
+
+    # Seeding Gianis
+    Giani.create!([
+      { :id => 1, :name => 'Giani Harbhajan Singh Dhudike' },
+      { :id => 2, :name => 'Nihang Giani Sher Singh Ambala' },
+      { :id => 3, :name => 'Sant Giani Inderjit Singh Raqbewale' },
+      { :id => 4, :name => 'Bhai Sukha Singh UK' },
+      { :id => 5, :name => 'The Suraj Podcast' }
+    ])
+  end
+
+  def down
+    drop_table :gianis
+    drop_table :kathas
+    drop_table :chapter_kathas
+  end
+end
diff --git a/db/schema.rb b/db/schema.rb
index 2ce993a..fdac006 100644
--- a/db/schema.rb
+++ b/db/schema.rb
@@ -10,7 +10,7 @@
 #
 # It's strongly recommended that you check this file into your version control system.
 
-ActiveRecord::Schema[7.0].define(version: 2023_05_08_124727) do
+ActiveRecord::Schema[7.0].define(version: 2023_06_03_170655) do
   create_table "books", force: :cascade do |t|
     t.integer "sequence", null: false
     t.string "title", null: false
@@ -22,6 +22,15 @@
     t.datetime "updated_at", null: false
   end
 
+  create_table "chapter_kathas", force: :cascade do |t|
+    t.integer "chapter_id", null: false
+    t.integer "katha_id", null: false
+    t.datetime "created_at", null: false
+    t.datetime "updated_at", null: false
+    t.index ["chapter_id"], name: "index_chapter_kathas_on_chapter_id"
+    t.index ["katha_id"], name: "index_chapter_kathas_on_katha_id"
+  end
+
   create_table "chapters", force: :cascade do |t|
     t.integer "book_id", null: false
     t.integer "number", null: false
@@ -68,6 +77,24 @@
     t.index ["pauri_id"], name: "index_external_pauris_on_pauri_id"
   end
 
+  create_table "gianis", force: :cascade do |t|
+    t.string "name", null: false
+    t.string "artwork_url"
+    t.datetime "created_at", null: false
+    t.datetime "updated_at", null: false
+  end
+
+  create_table "kathas", force: :cascade do |t|
+    t.integer "giani_id", null: false
+    t.string "title"
+    t.string "public_url"
+    t.string "soundcloud_url"
+    t.integer "year"
+    t.datetime "created_at", null: false
+    t.datetime "updated_at", null: false
+    t.index ["giani_id"], name: "index_kathas_on_giani_id"
+  end
+
   create_table "pauri_footnotes", force: :cascade do |t|
     t.integer "pauri_id", null: false
     t.text "bhai_vir_singh_footnote"
@@ -88,7 +115,7 @@
   end
 
   create_table "pauris", force: :cascade do |t|
-    t.integer "number", null: false
+    t.integer "number"
     t.integer "chapter_id", null: false
     t.integer "chhand_id", null: false
     t.datetime "created_at", null: false
@@ -130,10 +157,13 @@
     t.index ["sequence", "pauri_id"], name: "index_tuks_on_sequence_and_pauri_id", unique: true
   end
 
+  add_foreign_key "chapter_kathas", "chapters"
+  add_foreign_key "chapter_kathas", "kathas"
   add_foreign_key "chapters", "books"
   add_foreign_key "chhands", "chapters"
   add_foreign_key "chhands", "chhand_types"
   add_foreign_key "external_pauris", "pauris"
+  add_foreign_key "kathas", "gianis"
   add_foreign_key "pauri_footnotes", "pauris"
   add_foreign_key "pauri_translations", "pauris"
   add_foreign_key "pauris", "chapters"

From 41e5830647d737d8377fc23a6ad0805767b9e997 Mon Sep 17 00:00:00 2001
From: Dilraj Somel <dsomel21@gmail.com>
Date: Sat, 3 Jun 2023 16:10:34 -0400
Subject: [PATCH 2/4] Models

---
 app/models/chapter.rb       | 3 +++
 app/models/chapter_katha.rb | 6 ++++++
 app/models/giani.rb         | 3 +++
 app/models/katha.rb         | 7 +++++++
 4 files changed, 19 insertions(+)
 create mode 100644 app/models/chapter_katha.rb
 create mode 100644 app/models/katha.rb

diff --git a/app/models/chapter.rb b/app/models/chapter.rb
index 382912c..00279b2 100644
--- a/app/models/chapter.rb
+++ b/app/models/chapter.rb
@@ -4,4 +4,7 @@ class Chapter < ApplicationRecord
   belongs_to :book
   has_many :chhands, :dependent => :destroy
   has_many :pauris, :dependent => :destroy
+  has_many :tuks, :through => :pauris
+  has_many :chapter_kathas
+  has_many :kathas, :through => :chapter_kathas
 end
diff --git a/app/models/chapter_katha.rb b/app/models/chapter_katha.rb
new file mode 100644
index 0000000..ff98243
--- /dev/null
+++ b/app/models/chapter_katha.rb
@@ -0,0 +1,6 @@
+# frozen_string_literal: true
+
+class ChapterKatha < ApplicationRecord
+  belongs_to :katha
+  belongs_to :chapter
+end
diff --git a/app/models/giani.rb b/app/models/giani.rb
index 00e047a..9534913 100644
--- a/app/models/giani.rb
+++ b/app/models/giani.rb
@@ -1,2 +1,5 @@
+# frozen_string_literal: true
+
 class Giani < ApplicationRecord
+  has_many :kathas
 end
diff --git a/app/models/katha.rb b/app/models/katha.rb
new file mode 100644
index 0000000..56bc813
--- /dev/null
+++ b/app/models/katha.rb
@@ -0,0 +1,7 @@
+# frozen_string_literal: true
+
+class Katha < ApplicationRecord
+  belongs_to :giani
+  has_many :chapter_kathas
+  has_many :chapters, :through => :chapter_kathas
+end

From 75620e1eaafa3215ed176e648d9e68da45ce957a Mon Sep 17 00:00:00 2001
From: Dilraj Somel <dsomel21@gmail.com>
Date: Sat, 3 Jun 2023 16:26:36 -0400
Subject: [PATCH 3/4] Add `:dependent => :destroy` to `has_many`

---
 app/models/giani.rb | 2 +-
 app/models/katha.rb | 4 ++--
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/app/models/giani.rb b/app/models/giani.rb
index 9534913..8e6c343 100644
--- a/app/models/giani.rb
+++ b/app/models/giani.rb
@@ -1,5 +1,5 @@
 # frozen_string_literal: true
 
 class Giani < ApplicationRecord
-  has_many :kathas
+  has_many :kathas, :dependent => :destroy
 end
diff --git a/app/models/katha.rb b/app/models/katha.rb
index 56bc813..eba0724 100644
--- a/app/models/katha.rb
+++ b/app/models/katha.rb
@@ -2,6 +2,6 @@
 
 class Katha < ApplicationRecord
   belongs_to :giani
-  has_many :chapter_kathas
-  has_many :chapters, :through => :chapter_kathas
+  has_many :chapter_kathas, :dependent => :destroy
+  has_many :chapters, :through => :chapter_kathas, :dependent => :destroy
 end

From 77a228462ca1ce7a17aac5b2ae0ca035e0bda9d0 Mon Sep 17 00:00:00 2001
From: Dilraj Somel <dsomel21@gmail.com>
Date: Sun, 4 Jun 2023 17:44:24 -0400
Subject: [PATCH 4/4] Linting

---
 app/models/chapter.rb | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/app/models/chapter.rb b/app/models/chapter.rb
index 00279b2..35fff97 100644
--- a/app/models/chapter.rb
+++ b/app/models/chapter.rb
@@ -5,6 +5,6 @@ class Chapter < ApplicationRecord
   has_many :chhands, :dependent => :destroy
   has_many :pauris, :dependent => :destroy
   has_many :tuks, :through => :pauris
-  has_many :chapter_kathas
+  has_many :chapter_kathas, :dependent => :destroy
   has_many :kathas, :through => :chapter_kathas
 end