Clean Architecture with MVVM pattern in the presentation layer

• Kotlin
• Dagger2
• Rxjava2
• Room
• Retrofit
• Android Architecture Components

• generate QAGraph (Questions and Answers Graph) and cache it in room database (splash module).
• handle chat bot logic through QAGraph in chat bot module.
• chat bot asks user a questions, then user answers the questions.
• chat bot checks user answer to collect the needed information.
• in case answer is not valid, then chat bot asks again and display suggestions to user.
• when chat bot collected the needed information, then display a list of recipes based on user's answers.
• chat bot asks user if he wants to ask about another recipes, if yes, repeat questions cycle.