Build custom Content management system

The aim is to build a custom content management system that has the following features: - User management: support multilevel of permissions like [admin, moderator and data entry user] - Content management. Details provided below. - Attendance management system based on login and logout timestamp. [ user can login and logout many times per day] - vacation management. Content management specifications: - can create unlimited main categories and sub-categories and link it to content source type. - Each category has id, title, logo, creation date and description. - The required field list of all categories documents are: o Unique document id o Day name - select from drop list menu o Date [ D-M-Y ] – select from date picker menu o Time [ 12 H ] – select from drop list menu [ minutes – seconds ] o Content Source – select entry from drop list menu [check Content source types] o Description – long text o Page number - manual entry from user as text o Note – long text Content Source types: This is a predefined sample of content sources were the admin is able to add/edit the list. - Television: Channel name, logo – can edit, delete, enable and disable channel from system. - Newspapers: name, logo – can edit, delete, enable and disable newspaper from system. - Websites: name, logo – can edit, delete, enable and disable website from system. Reports: - Generate report of number documents entered by user in period [ Daily – monthly – yearly ]. - Generate list of all entered documents or per selected category and period , and can be exported as pdf. - Generate the attendance report per users on selected period. - Generate report of vacations of users per selected year. Search: - Support full text search in all data or based on category or period. Vacation management: - User can apply for vacation. - Admin has to approve/reject the request. - System automatically disable user account during vacation till back date. - Each user can see his Vacation history. Admin features: - Can manage users and specify permission on all or selected categories and reports. - Can Edit/disable user – no deletion for users because data linked to it. - Can Edit/Delete category and all data into it. - Open and close the whole system – if closed no one can login except admin. - Read and clear system logs. - user xxx has add document title: xxxxxxxx. - user xxx has edit document title: xxxxxxxx. - user xxx has delete document title: xxxxxxxx. - user xxx login at [ date and time + ip address ] - user xxx logout at [ date and time + ip address ] - admin create category xxxxx - admin edit category xxxx - admin create sub-categoty [ title ] of the main category [ main cat title ] ……. Etc - Other requirement: - Visitor can post a document without login, moderator has to edit and approve the post from dashboard. [ need visitor ip address ]. Technical specification: - PHP 7 - Code-Ignitor latest version. - MySQL database latest version. - Site layout is Right to left.