from django.contrib import admin

from django.contrib.admin import StackedInline

from django.utils.safestring import mark_safe

from ordered_model.admin import OrderedModelAdmin

from pythonpro.modules.models import Section, Module, Chapter, Topic

class BaseAdmin(OrderedModelAdmin):

prepopulated_fields = {'slug': ('title',)}

view_on_site = True

def page_link(self, content):

return mark_safe(f'<a href="{content.get_absolute_url()}">See on Page</a>')

page_link.short_description = 'page'

@admin.register(Module)

class ModuleAdmin(BaseAdmin):

list_display = 'title slug order move_up_down_links page_link'.split()

prepopulated_fields = {'slug': ('title',)}

@admin.register(Section)

class SectionAdmin(BaseAdmin):

list_display = 'title slug module order move_up_down_links page_link'.split()

prepopulated_fields = {'slug': ('title',)}

class TopicInline(StackedInline):

model = Topic

prepopulated_fields = {'slug': ('title',)}

extra = 1

ordering = ('order',)

@admin.register(Chapter)

class ChapterAdmin(BaseAdmin):

inlines = [TopicInline]

list_display = 'title slug section order move_up_down_links page_link'.split()

prepopulated_fields = {'slug': ('title',)}

@admin.register(Topic)

class TopicAdmin(BaseAdmin):

list_display = 'title slug chapter order move_up_down_links page_link memberkit_url'.split()

list_filter = ('chapter',)

prepopulated_fields = {'slug': ('title',)}