import export for data models in django admin (#138)

* import export for User and Student model

* export feature for placement, placementapplication, ppo.

CDC_Backend/APIs/admin.py

@@ -1,13 +1,19 @@
 from django.contrib import admin
-from simple_history.admin import SimpleHistoryAdmin
 from django.contrib.admin.templatetags.admin_urls import admin_urlname
 from django.shortcuts import resolve_url
 from django.utils.html import format_html
 from django.utils.safestring import SafeText
 
+from simple_history.admin import SimpleHistoryAdmin
+from import_export.admin import ImportExportMixin, ExportMixin
+from import_export import resources
+
 from .models import *
 
-admin.site.register(User, SimpleHistoryAdmin)
+class UserAdmin(ImportExportMixin, SimpleHistoryAdmin):
+    pass
+
+admin.site.register(User,UserAdmin)
 admin.site.register(Admin, SimpleHistoryAdmin)
 
 admin.site.site_header = "CDC Recruitment Portal"
@@ -18,8 +24,11 @@ def model_admin_url(obj, name=None) -> str:
     return format_html('<a href="{}">{}</a>', url, name or str(obj))
 
 
+class StudentAdmin(ImportExportMixin, SimpleHistoryAdmin):
+    pass
+
 @admin.register(Student)
-class Student(SimpleHistoryAdmin):
+class Student(StudentAdmin):
     list_display = ("roll_no", "name", "batch", "branch", "phone_number", 'can_apply')
     search_fields = ("roll_no", "name", "phone_number")
     ordering = ("roll_no", "name", "batch", "branch", "phone_number")
@@ -36,17 +45,33 @@ class Student(SimpleHistoryAdmin):
         queryset.update(can_apply=True)
         self.message_user(request, "Registered the users")
 
+class PlacementResources(resources.ModelResource):
+    class Meta:
+        model = Placement
+        exclude = ('id','changed_by', 'is_company_details_pdf', 'is_description_pdf',
+         'is_compensation_details_pdf', 'is_selection_procedure_details_pdf')
+class AdminAdmin(ExportMixin, SimpleHistoryAdmin):
+    resource_class = PlacementResources
+
 
 @admin.register(Placement)
-class Placement(SimpleHistoryAdmin):
+class Placement(AdminAdmin):
     list_display = (COMPANY_NAME, CONTACT_PERSON_NAME, PHONE_NUMBER, 'tier', 'compensation_CTC')
     search_fields = (COMPANY_NAME, CONTACT_PERSON_NAME)
     ordering = (COMPANY_NAME, CONTACT_PERSON_NAME, 'tier', 'compensation_CTC')
     list_filter = ('tier',)
 
 
+class PlacementApplicationResources(resources.ModelResource):
+    class Meta:
+        model = PlacementApplication
+        exclude = ('id', 'changed_by')
+
+class PlacementAdmin(ExportMixin, SimpleHistoryAdmin):
+    resource_class = PlacementApplicationResources
+
 @admin.register(PlacementApplication)
-class PlacementApplication(SimpleHistoryAdmin):
+class PlacementApplication(PlacementAdmin):
     list_display = ('id', 'Placement', 'Student', 'selected')
     search_fields = ('id',)
     ordering = ('id',)
@@ -59,8 +84,16 @@ class PlacementApplication(SimpleHistoryAdmin):
         return model_admin_url(obj.student)
 
 
+class PrePlacementResources(resources.ModelResource):
+    class Meta:
+        model = PrePlacementOffer
+        exclude = ('id', 'changed_by')
+
+class PrePlacementOfferAdmin(ExportMixin, SimpleHistoryAdmin):
+    resource_class = PrePlacementResources
+
 @admin.register(PrePlacementOffer)
-class PrePlacementOffer(SimpleHistoryAdmin):
+class PrePlacementOffer(PrePlacementOfferAdmin):
     list_display = ('company', 'Student', 'accepted')
     search_fields = ('company',)
     ordering = ('company',)

CDC_Backend/CDC_Backend/settings.py

@@ -46,6 +46,7 @@ INSTALLED_APPS = [
     'django_db_logger',
     'background_task',
     'simple_history',
+    'import_export',
 ]
 
 MIDDLEWARE = [

requirements.txt

@@ -5,6 +5,8 @@ certifi==2021.10.8
 chardet==4.0.0
 charset-normalizer==2.0.12
 colorama==0.4.4
+defusedxml==0.7.1
+diff-match-patch==20200713
 dill==0.3.5.1
 dj-database-url==0.5.0
 Django==3.2.13
@@ -12,8 +14,10 @@ django-background-tasks==1.2.5
 django-compat==1.0.15
 django-cors-headers==3.11.0
 django-db-logger==0.1.12
+django-import-export==2.8.0
 django-simple-history==3.1.1
 djangorestframework==3.13.1
+et-xmlfile==1.1.0
 google-auth==2.6.6
 gunicorn==20.1.0
 idna==3.3
@@ -22,7 +26,10 @@ isort==5.10.1
 jsonfield==3.1.0
 lazy-object-proxy==1.7.1
 Markdown==3.3.6
+MarkupPy==1.14
 mccabe==0.7.0
+odfpy==1.4.1
+openpyxl==3.0.10
 pdfkit==1.0.0
 platformdirs==2.5.1
 psycopg2-binary==2.9.3
@@ -32,14 +39,18 @@ PyJWT==2.4.0
 pylint==2.13.5
 python-dotenv==0.20.0
 pytz==2022.1
+PyYAML==6.0
 requests==2.27.1
 rsa==4.8
 six==1.16.0
 sqlparse==0.4.2
+tablib==3.2.1
 toml==0.10.2
 tomli==2.0.1
-typing-extensions==4.1.1
+typing_extensions==4.1.1
 urllib3==1.26.9
 whitenoise==6.0.0
 wrapt==1.14.0
+xlrd==2.0.1
+xlwt==1.3.0
 zipp==3.8.0