Add admin page to view all data upon login

Gemfile

@@ -27,6 +27,8 @@ gem 'jbuilder', '~> 2.7'
 
 # User registration, login,logout etc
 gem 'devise'
+# Admin page
+gem "administrate"
 
 # Multi Pages form
 gem 'wicked'

Gemfile.lock

@@ -58,6 +58,19 @@ GEM
       zeitwerk (~> 2.2)
     addressable (2.7.0)
       public_suffix (>= 2.0.2, < 5.0)
+    administrate (0.13.0)
+      actionpack (>= 4.2)
+      actionview (>= 4.2)
+      activerecord (>= 4.2)
+      autoprefixer-rails (>= 6.0)
+      datetime_picker_rails (~> 0.0.7)
+      jquery-rails (>= 4.0)
+      kaminari (>= 1.0)
+      momentjs-rails (~> 2.8)
+      sassc-rails (~> 2.1)
+      selectize-rails (~> 0.6)
+    autoprefixer-rails (9.7.6)
+      execjs
     bcrypt (3.1.13)
     bindex (0.8.1)
     bootsnap (1.4.6)
@@ -75,6 +88,8 @@ GEM
     childprocess (3.0.0)
     concurrent-ruby (1.1.6)
     crass (1.0.6)
+    datetime_picker_rails (0.0.7)
+      momentjs-rails (>= 2.8.1)
     devise (4.7.1)
       bcrypt (~> 3.0)
       orm_adapter (~> 0.1)
@@ -86,13 +101,30 @@ GEM
       dotenv (= 2.7.5)
       railties (>= 3.2, < 6.1)
     erubi (1.9.0)
+    execjs (2.7.0)
     ffi (1.12.2)
     globalid (0.4.2)
       activesupport (>= 4.2.0)
     i18n (1.8.2)
       concurrent-ruby (~> 1.0)
     jbuilder (2.10.0)
       activesupport (>= 5.0.0)
+    jquery-rails (4.3.5)
+      rails-dom-testing (>= 1, < 3)
+      railties (>= 4.2.0)
+      thor (>= 0.14, < 2.0)
+    kaminari (1.2.0)
+      activesupport (>= 4.1.0)
+      kaminari-actionview (= 1.2.0)
+      kaminari-activerecord (= 1.2.0)
+      kaminari-core (= 1.2.0)
+    kaminari-actionview (1.2.0)
+      actionview
+      kaminari-core (= 1.2.0)
+    kaminari-activerecord (1.2.0)
+      activerecord
+      kaminari-core (= 1.2.0)
+    kaminari-core (1.2.0)
     listen (3.1.5)
       rb-fsevent (~> 0.9, >= 0.9.4)
       rb-inotify (~> 0.9, >= 0.9.7)
@@ -109,6 +141,8 @@ GEM
     mini_mime (1.0.2)
     mini_portile2 (2.4.0)
     minitest (5.14.0)
+    momentjs-rails (2.20.1)
+      railties (>= 3.1)
     msgpack (1.3.3)
     nio4r (2.5.2)
     nokogiri (1.10.9)
@@ -170,6 +204,7 @@ GEM
       sprockets (> 3.0)
       sprockets-rails
       tilt
+    selectize-rails (0.12.6)
     selenium-webdriver (3.142.7)
       childprocess (>= 0.5, < 4.0)
       rubyzip (>= 1.2.2)
@@ -220,6 +255,7 @@ PLATFORMS
   ruby
 
 DEPENDENCIES
+  administrate
   bootsnap (>= 1.4.2)
   byebug
   capybara (>= 2.15)

app/assets/config/manifest.js

@@ -1 +1,3 @@
 //= link_tree ../images
+//= link administrate/application.css
+//= link administrate/application.js

app/controllers/admin/application_controller.rb

@@ -0,0 +1,21 @@
+# All Administrate controllers inherit from this
+# `Administrate::ApplicationController`, making it the ideal place to put
+# authentication logic or other before_actions.
+#
+# If you want to add pagination or other controller-level concerns,
+# you're free to overwrite the RESTful controller actions.
+module Admin
+  class ApplicationController < Administrate::ApplicationController
+    before_action :authenticate_user!
+
+    # def authenticate_admin
+      # TODO Add authentication logic here.
+    # end
+
+    # Override this value to specify the number of elements to display at a time
+    # on index pages. Defaults to 20.
+    # def records_per_page
+    #   params[:per_page] || 20
+    # end
+  end
+end

app/controllers/admin/students_controller.rb

@@ -0,0 +1,46 @@
+module Admin
+  class StudentsController < Admin::ApplicationController
+    # Overwrite any of the RESTful controller actions to implement custom behavior
+    # For example, you may want to send an email after a foo is updated.
+    #
+    # def update
+    #   super
+    #   send_foo_updated_email(requested_resource)
+    # end
+
+    # Override this method to specify custom lookup behavior.
+    # This will be used to set the resource for the `show`, `edit`, and `update`
+    # actions.
+    #
+    # def find_resource(param)
+    #   Foo.find_by!(slug: param)
+    # end
+
+    # The result of this lookup will be available as `requested_resource`
+
+    # Override this if you have certain roles that require a subset
+    # this will be used to set the records shown on the `index` action.
+    #
+    # def scoped_resource
+    #   if current_user.super_admin?
+    #     resource_class
+    #   else
+    #     resource_class.with_less_stuff
+    #   end
+    # end
+
+    # Override `resource_params` if you want to transform the submitted
+    # data before it's persisted. For example, the following would turn all
+    # empty values into nil values. It uses other APIs such as `resource_class`
+    # and `dashboard`:
+    #
+    # def resource_params
+    #   params.require(resource_class.model_name.param_key).
+    #     permit(dashboard.permitted_attributes).
+    #     transform_values { |value| value == "" ? nil : value }
+    # end
+
+    # See https://administrate-prototype.herokuapp.com/customizing_controller_actions
+    # for more information
+  end
+end

app/controllers/admin/tutors_controller.rb

@@ -0,0 +1,46 @@
+module Admin
+  class TutorsController < Admin::ApplicationController
+    # Overwrite any of the RESTful controller actions to implement custom behavior
+    # For example, you may want to send an email after a foo is updated.
+    #
+    # def update
+    #   super
+    #   send_foo_updated_email(requested_resource)
+    # end
+
+    # Override this method to specify custom lookup behavior.
+    # This will be used to set the resource for the `show`, `edit`, and `update`
+    # actions.
+    #
+    # def find_resource(param)
+    #   Foo.find_by!(slug: param)
+    # end
+
+    # The result of this lookup will be available as `requested_resource`
+
+    # Override this if you have certain roles that require a subset
+    # this will be used to set the records shown on the `index` action.
+    #
+    # def scoped_resource
+    #   if current_user.super_admin?
+    #     resource_class
+    #   else
+    #     resource_class.with_less_stuff
+    #   end
+    # end
+
+    # Override `resource_params` if you want to transform the submitted
+    # data before it's persisted. For example, the following would turn all
+    # empty values into nil values. It uses other APIs such as `resource_class`
+    # and `dashboard`:
+    #
+    # def resource_params
+    #   params.require(resource_class.model_name.param_key).
+    #     permit(dashboard.permitted_attributes).
+    #     transform_values { |value| value == "" ? nil : value }
+    # end
+
+    # See https://administrate-prototype.herokuapp.com/customizing_controller_actions
+    # for more information
+  end
+end

app/controllers/admin/users_controller.rb

@@ -0,0 +1,46 @@
+module Admin
+  class UsersController < Admin::ApplicationController
+    # Overwrite any of the RESTful controller actions to implement custom behavior
+    # For example, you may want to send an email after a foo is updated.
+    #
+    # def update
+    #   super
+    #   send_foo_updated_email(requested_resource)
+    # end
+
+    # Override this method to specify custom lookup behavior.
+    # This will be used to set the resource for the `show`, `edit`, and `update`
+    # actions.
+    #
+    # def find_resource(param)
+    #   Foo.find_by!(slug: param)
+    # end
+
+    # The result of this lookup will be available as `requested_resource`
+
+    # Override this if you have certain roles that require a subset
+    # this will be used to set the records shown on the `index` action.
+    #
+    # def scoped_resource
+    #   if current_user.super_admin?
+    #     resource_class
+    #   else
+    #     resource_class.with_less_stuff
+    #   end
+    # end
+
+    # Override `resource_params` if you want to transform the submitted
+    # data before it's persisted. For example, the following would turn all
+    # empty values into nil values. It uses other APIs such as `resource_class`
+    # and `dashboard`:
+    #
+    # def resource_params
+    #   params.require(resource_class.model_name.param_key).
+    #     permit(dashboard.permitted_attributes).
+    #     transform_values { |value| value == "" ? nil : value }
+    # end
+
+    # See https://administrate-prototype.herokuapp.com/customizing_controller_actions
+    # for more information
+  end
+end

app/dashboards/student_dashboard.rb

@@ -0,0 +1,102 @@
+require "administrate/base_dashboard"
+
+class StudentDashboard < Administrate::BaseDashboard
+  # ATTRIBUTE_TYPES
+  # a hash that describes the type of each of the model's fields.
+  #
+  # Each different type represents an Administrate::Field object,
+  # which determines how the attribute is displayed
+  # on pages throughout the dashboard.
+  ATTRIBUTE_TYPES = {
+    id: Field::Number,
+    personal_consent: Field::Boolean,
+    full_name: Field::String,
+    school_email: Field::String,
+    alternate_email: Field::String,
+    sex: Field::String.with_options(searchable: false),
+    subject_preferences: Field::String.with_options(searchable: false),
+    education_level: Field::String.with_options(searchable: false),
+    parental_consent: Field::Boolean,
+    match_count: Field::Number,
+    created_at: Field::DateTime,
+    updated_at: Field::DateTime,
+    subject_1: Field::String,
+    subject_2: Field::String,
+    subject_3: Field::String,
+    others_subject: Field::String,
+    contact_number: Field::String,
+  }.freeze
+
+  # COLLECTION_ATTRIBUTES
+  # an array of attributes that will be displayed on the model's index page.
+  #
+  # By default, it's limited to four items to reduce clutter on index pages.
+  # Feel free to add, remove, or rearrange items.
+  COLLECTION_ATTRIBUTES = %i[
+  id
+  personal_consent
+  full_name
+  school_email
+  ].freeze
+
+  # SHOW_PAGE_ATTRIBUTES
+  # an array of attributes that will be displayed on the model's show page.
+  SHOW_PAGE_ATTRIBUTES = %i[
+  id
+  personal_consent
+  full_name
+  school_email
+  alternate_email
+  sex
+  subject_preferences
+  education_level
+  parental_consent
+  match_count
+  created_at
+  updated_at
+  subject_1
+  subject_2
+  subject_3
+  others_subject
+  contact_number
+  ].freeze
+
+  # FORM_ATTRIBUTES
+  # an array of attributes that will be displayed
+  # on the model's form (`new` and `edit`) pages.
+  FORM_ATTRIBUTES = %i[
+  personal_consent
+  full_name
+  school_email
+  alternate_email
+  sex
+  subject_preferences
+  education_level
+  parental_consent
+  match_count
+  subject_1
+  subject_2
+  subject_3
+  others_subject
+  contact_number
+  ].freeze
+
+  # COLLECTION_FILTERS
+  # a hash that defines filters that can be used while searching via the search
+  # field of the dashboard.
+  #
+  # For example to add an option to search for open resources by typing "open:"
+  # in the search field:
+  #
+  #   COLLECTION_FILTERS = {
+  #     open: ->(resources) { resources.where(open: true) }
+  #   }.freeze
+  COLLECTION_FILTERS = {}.freeze
+
+  # Overwrite this method to customize how students are displayed
+  # across all pages of the admin dashboard.
+  #
+  # def display_resource(student)
+  #   "Student ##{student.id}"
+  # end
+end