Feature: Knowledge Base APIs (#1002)

- Introduce models & migrations for portals, categories, folders and articles
- CRUD API for portals
- CRUD API for categories

Addresses: #714

Co-authored-by: Sojan <sojan@pepalo.com>

db/migrate/20200704135408_create_kbase_portals.rb

@@ -0,0 +1,17 @@
+class CreateKbasePortals < ActiveRecord::Migration[6.0]
+  def change
+    create_table :kbase_portals do |t|
+      t.integer :account_id, null: false
+      t.string :name, null: false
+      t.string :slug, null: false
+      t.string :custom_domain
+      t.string :color
+      t.string :homepage_link
+      t.string :page_title
+      t.text   :header_text
+
+      t.index :slug, unique: true
+      t.timestamps
+    end
+  end
+end

db/migrate/20200704135810_create_kbase_categories.rb

@@ -0,0 +1,13 @@
+class CreateKbaseCategories < ActiveRecord::Migration[6.0]
+  def change
+    create_table :kbase_categories do |t|
+      t.integer :account_id, null: false
+      t.integer :portal_id, null: false
+      t.string :name
+      t.text :description
+      t.integer :position
+
+      t.timestamps
+    end
+  end
+end

db/migrate/20200704140029_create_kbase_folders.rb

@@ -0,0 +1,11 @@
+class CreateKbaseFolders < ActiveRecord::Migration[6.0]
+  def change
+    create_table :kbase_folders do |t|
+      t.integer :account_id, null: false
+      t.integer :category_id, null: false
+      t.string :name
+
+      t.timestamps
+    end
+  end
+end

db/migrate/20200704140509_create_kbase_articles.rb

@@ -0,0 +1,18 @@
+class CreateKbaseArticles < ActiveRecord::Migration[6.0]
+  def change
+    create_table :kbase_articles do |t|
+      t.integer :account_id, null: false
+      t.integer :portal_id, null: false
+      t.integer :category_id
+      t.integer :folder_id
+      t.integer :author_id
+      t.string :title
+      t.text :description
+      t.text :content
+      t.integer :status
+      t.integer :views
+
+      t.timestamps
+    end
+  end
+end

db/schema.rb

@@ -300,6 +300,53 @@ ActiveRecord::Schema.define(version: 2020_09_07_094912) do
     t.datetime "updated_at", precision: 6, null: false
   end
 
+  create_table "kbase_articles", force: :cascade do |t|
+    t.integer "account_id", null: false
+    t.integer "portal_id", null: false
+    t.integer "category_id"
+    t.integer "folder_id"
+    t.integer "author_id"
+    t.string "title"
+    t.text "description"
+    t.text "content"
+    t.integer "status"
+    t.integer "views"
+    t.datetime "created_at", precision: 6, null: false
+    t.datetime "updated_at", precision: 6, null: false
+  end
+
+  create_table "kbase_categories", force: :cascade do |t|
+    t.integer "account_id", null: false
+    t.integer "portal_id", null: false
+    t.string "name"
+    t.text "description"
+    t.integer "position"
+    t.datetime "created_at", precision: 6, null: false
+    t.datetime "updated_at", precision: 6, null: false
+  end
+
+  create_table "kbase_folders", force: :cascade do |t|
+    t.integer "account_id", null: false
+    t.integer "category_id", null: false
+    t.string "name"
+    t.datetime "created_at", precision: 6, null: false
+    t.datetime "updated_at", precision: 6, null: false
+  end
+
+  create_table "kbase_portals", force: :cascade do |t|
+    t.integer "account_id", null: false
+    t.string "name", null: false
+    t.string "slug", null: false
+    t.string "custom_domain"
+    t.string "color"
+    t.string "homepage_link"
+    t.string "page_title"
+    t.text "header_text"
+    t.datetime "created_at", precision: 6, null: false
+    t.datetime "updated_at", precision: 6, null: false
+    t.index ["slug"], name: "index_kbase_portals_on_slug", unique: true
+  end
+
   create_table "labels", force: :cascade do |t|
     t.string "title"
     t.text "description"