From 97b0dbd78998264e06aca87902283feb16ca1770 Mon Sep 17 00:00:00 2001
From: lordgrim <jeromjomanthara@gmail.com>
Date: Mon, 27 Nov 2023 20:28:58 +0530
Subject: [PATCH 1/4] feat(roles): add base template create API

---
 api/dashboard/roles/dash_roles_views.py | 55 +++++++++++++++++++++++++
 api/dashboard/roles/urls.py             |  1 +
 2 files changed, 56 insertions(+)

diff --git a/api/dashboard/roles/dash_roles_views.py b/api/dashboard/roles/dash_roles_views.py
index 75c6fb10..3ffe00c3 100644
--- a/api/dashboard/roles/dash_roles_views.py
+++ b/api/dashboard/roles/dash_roles_views.py
@@ -8,6 +8,10 @@
 from utils.utils import CommonUtils, DiscordWebhooks
 from . import dash_roles_serializer
 
+from openpyxl import load_workbook
+from tempfile import NamedTemporaryFile
+from io import BytesIO
+from django.http import FileResponse
 
 class RoleAPI(APIView):
     authentication_classes = [CustomizePermission]
@@ -202,3 +206,54 @@ def delete(self, request):
         return CustomResponse(
             general_message="User Role deleted successfully"
         ).get_success_response()
+
+from openpyxl import Workbook
+from openpyxl.styles import Font
+
+class RoleBaseTemplateAPI(APIView):
+    authentication_classes = [CustomizePermission]
+
+    def get(self, request):
+        wb = Workbook()
+        ws = wb.active
+        ws.title = "Sheet1"
+
+        ws.append([
+            "muid",
+            "role",
+        ])
+
+        # Set column headers font as bold
+        bold_font = Font(bold=True)
+        for cell in ws[1]:
+            cell.font = bold_font
+
+        # Set column width
+        ws.column_dimensions['A'].width = 50
+        ws.column_dimensions['B'].width = 40
+
+        ws = wb.create_sheet('Data Definitions')
+        ws.append(['role'])
+
+        # set column header as bold and set width
+        for cell in ws[1]:
+            cell.font = bold_font
+        ws.column_dimensions['A'].width = 40
+
+        roles = Role.objects.all().values_list('title', flat=True)
+
+        data = {
+            'role': roles
+        }
+        # Write data column-wise
+        for col_num, (col_name, col_values) in enumerate(data.items(), start=1):
+            for row, value in enumerate(col_values, start=2):
+                ws.cell(row=row, column=col_num, value=value)
+
+        wb.save('role_base_template.xlsx')
+
+        return CustomResponse(
+            response={
+                "message": "Base template created successfully"
+                }
+        ).get_success_response()
\ No newline at end of file
diff --git a/api/dashboard/roles/urls.py b/api/dashboard/roles/urls.py
index c186b585..b3b66ec9 100644
--- a/api/dashboard/roles/urls.py
+++ b/api/dashboard/roles/urls.py
@@ -5,6 +5,7 @@
 # app_name will help us do a reverse look-up latter.
 urlpatterns = [
     path('user-role/<str:role_id>/', dash_roles_views.UserRoleSearchAPI.as_view(), name='search-user-role'),
+    path('base-template/', dash_roles_views.RoleBaseTemplateAPI.as_view(), name="roles-base-template"),
     path('user-role/', dash_roles_views.UserRole.as_view(), name='create-delete-user-role'),
     path('', dash_roles_views.RoleAPI.as_view(), name="roles-list"),
     path('', dash_roles_views.RoleAPI.as_view(), name="roles-create"),

From 4c68e9bd6692144b3b65de4953c0cfd81cded3fe Mon Sep 17 00:00:00 2001
From: lordgrim <jeromjomanthara@gmail.com>
Date: Mon, 27 Nov 2023 20:41:23 +0530
Subject: [PATCH 2/4] feat(roles): add base template API

---
 .../roles/assets/role_base_template.xlsx      | Bin 0 -> 11690 bytes
 api/dashboard/roles/dash_roles_views.py       |  49 +++++-------------
 2 files changed, 12 insertions(+), 37 deletions(-)
 create mode 100644 api/dashboard/roles/assets/role_base_template.xlsx

diff --git a/api/dashboard/roles/assets/role_base_template.xlsx b/api/dashboard/roles/assets/role_base_template.xlsx
new file mode 100644
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z>>?_sWkFNO%ezDeom5L_zE@^H_5i|zu@e`M4(G@5(4(gv4~~caT>jQ!(SO{E>i%_q
z#mXV#9Jg|GyX<FQ67deL9N!)~#D(Klj&3-y|J0ns{pn%fmm^kwb))UL!J|a?vs)?D
z#|{42wK{I)C=&hbRygx<D@WY=!GgyP9?kp?`p%CMefH4cajrUU;AnDnkRbjjn{0;$
z{#&|u+``dG`5+1VQ3lR^xA51L?0D6q6UV`<{iBQn{~C_J%;Co?A00an=9VADjq|Yb
z-<WBR+c`Qg9gMU;N)gvj<L>c_M|;%Iu}|mz)lp1Sm5}Jb`icFQ>;8z(eBt2Ne*waA
Bqp|=1

literal 0
HcmV?d00001

diff --git a/api/dashboard/roles/dash_roles_views.py b/api/dashboard/roles/dash_roles_views.py
index 3ffe00c3..1907b580 100644
--- a/api/dashboard/roles/dash_roles_views.py
+++ b/api/dashboard/roles/dash_roles_views.py
@@ -207,41 +207,14 @@ def delete(self, request):
             general_message="User Role deleted successfully"
         ).get_success_response()
 
-from openpyxl import Workbook
-from openpyxl.styles import Font
-
 class RoleBaseTemplateAPI(APIView):
     authentication_classes = [CustomizePermission]
 
     def get(self, request):
-        wb = Workbook()
-        ws = wb.active
-        ws.title = "Sheet1"
-
-        ws.append([
-            "muid",
-            "role",
-        ])
-
-        # Set column headers font as bold
-        bold_font = Font(bold=True)
-        for cell in ws[1]:
-            cell.font = bold_font
-
-        # Set column width
-        ws.column_dimensions['A'].width = 50
-        ws.column_dimensions['B'].width = 40
-
-        ws = wb.create_sheet('Data Definitions')
-        ws.append(['role'])
-
-        # set column header as bold and set width
-        for cell in ws[1]:
-            cell.font = bold_font
-        ws.column_dimensions['A'].width = 40
+        wb = load_workbook('./api/dashboard/roles/assets/role_base_template.xlsx')
+        ws = wb['Data Definitions']
 
         roles = Role.objects.all().values_list('title', flat=True)
-
         data = {
             'role': roles
         }
@@ -249,11 +222,13 @@ def get(self, request):
         for col_num, (col_name, col_values) in enumerate(data.items(), start=1):
             for row, value in enumerate(col_values, start=2):
                 ws.cell(row=row, column=col_num, value=value)
-
-        wb.save('role_base_template.xlsx')
-
-        return CustomResponse(
-            response={
-                "message": "Base template created successfully"
-                }
-        ).get_success_response()
\ No newline at end of file
+        
+        # Save the file
+        with NamedTemporaryFile() as tmp:
+            tmp.close() # with statement opened tmp, close it so wb.save can open it
+            wb.save(tmp.name)
+            with open(tmp.name, 'rb') as f:
+                f.seek(0)
+                new_file_object = f.read()
+        return FileResponse(BytesIO(new_file_object), as_attachment=True, filename='role_base_template.xlsx')
+    

From 9ebfdc7af4c3363a7a32d4920401ae96b0b90dee Mon Sep 17 00:00:00 2001
From: lordgrim <jeromjomanthara@gmail.com>
Date: Wed, 29 Nov 2023 14:12:51 +0530
Subject: [PATCH 3/4] fix(roles): base template

---
 .../roles/assets/role_base_template.xlsx      | Bin 11690 -> 11690 bytes
 1 file changed, 0 insertions(+), 0 deletions(-)

diff --git a/api/dashboard/roles/assets/role_base_template.xlsx b/api/dashboard/roles/assets/role_base_template.xlsx
index ba6440c7c4a0b0d27392b398c9ae04021adcff07..ef71582d42380a235a5ac3398332887273b9851b 100644
GIT binary patch
delta 280
zcmZ1#y(*eFz?+#xgn@&DgTallb|bF`BQubm$g8rshEWB~p1fQ@W%F^SkBp2bH}7P*
z$R)W-VujW&9tMV<r3?%xx+hPU)tY>k|2oKo&C3Pe@_-rBWtqU{Y@Q>R&I}Tn%%*f3
zEb~N(oe9i%r!obiq*cuvV&{JK7hsuH8ubtX9W7_DUL7sz$-P<{96)ozK@OR`SIZ78
w@lVSSO#5p?6i(HK@SkZz<kfZT!Sb0p7GQdbjun`GsN)KzHFeFvbds(I0NvYBRsaA1

delta 280
zcmZ1#y(*eFz?+#xgn@&DgW;@2^+sL~MrI&AkymAN4WkN}J$bo+%I4!t9~l`}Zr;gq
zkxQ~{?*F=7JPZsyOBonYbWffxt2Oy7|8<ZFo0ki`<pDFM%QAt@**r%sof#xDnN8_7
zSmucmI}@1kPGt&2NvoPU#LoTdFTgUZH0mJ&I$F+Py*gUblY6x^IDqDagB&t>ua+HH
w;-8iunD*C(D4ePd;Xl)c$gAtvgXJ@IEWq><9V;;XP{$QaYwDVT=_Fkb0M{*MMgRZ+


From 969b5cc67de2bbe9193290d3329edc645dd9f43b Mon Sep 17 00:00:00 2001
From: lordgrim <jeromjomanthara@gmail.com>
Date: Wed, 29 Nov 2023 14:50:24 +0530
Subject: [PATCH 4/4] feat(roles): add user role bulk assign API

---
 api/dashboard/roles/dash_roles_serializer.py |  23 ++++
 api/dashboard/roles/dash_roles_views.py      | 132 ++++++++++++++++++-
 api/dashboard/roles/urls.py                  |   1 +
 3 files changed, 154 insertions(+), 2 deletions(-)

diff --git a/api/dashboard/roles/dash_roles_serializer.py b/api/dashboard/roles/dash_roles_serializer.py
index 15588959..580ab0b4 100644
--- a/api/dashboard/roles/dash_roles_serializer.py
+++ b/api/dashboard/roles/dash_roles_serializer.py
@@ -80,3 +80,26 @@ def create(self, validated_data):
         validated_data["created_at"] = DateTimeUtils.get_current_utc_time()
 
         return super().create(validated_data)
+    
+class UserRoleBulkAssignSerializer(serializers.ModelSerializer):
+    user_id = serializers.CharField(required=True)
+    role_id = serializers.CharField(required=True)
+    created_by_id = serializers.CharField(required=True, allow_null=False)
+    class Meta:
+        model = UserRoleLink
+        fields = [
+            "id",
+            "user_id",
+            "role_id",
+            "verified",
+            "created_by_id",
+            "created_at",
+        ]
+
+    def to_representation(self, instance):
+        representation = super().to_representation(instance)
+
+        representation['user_id'] = instance.user.fullname if instance.user else None
+        representation['role_id'] = instance.role.title if instance.role else None
+        return representation
+    
\ No newline at end of file
diff --git a/api/dashboard/roles/dash_roles_views.py b/api/dashboard/roles/dash_roles_views.py
index 1907b580..f8519ecd 100644
--- a/api/dashboard/roles/dash_roles_views.py
+++ b/api/dashboard/roles/dash_roles_views.py
@@ -1,11 +1,12 @@
+import uuid
 from django.db import IntegrityError
 from rest_framework.views import APIView
 
 from db.user import Role, User, UserRoleLink
-from utils.permission import CustomizePermission, role_required
+from utils.permission import CustomizePermission, role_required, JWTUtils
 from utils.response import CustomResponse
 from utils.types import RoleType, WebHookActions, WebHookCategory
-from utils.utils import CommonUtils, DiscordWebhooks
+from utils.utils import CommonUtils, DiscordWebhooks, ImportCSV
 from . import dash_roles_serializer
 
 from openpyxl import load_workbook
@@ -232,3 +233,130 @@ def get(self, request):
                 new_file_object = f.read()
         return FileResponse(BytesIO(new_file_object), as_attachment=True, filename='role_base_template.xlsx')
     
+class UserRoleBulkAssignAPI(APIView):
+    authentication_classes = [CustomizePermission]
+
+    @role_required([RoleType.ADMIN.value])
+
+    def post(self, request):
+        try:
+            file_obj = request.FILES["user_roles_list"]
+        except KeyError:
+            return CustomResponse(
+                general_message="File not found."
+            ).get_failure_response()
+
+        excel_data = ImportCSV()
+        excel_data = excel_data.read_excel_file(file_obj)
+
+        if not excel_data:
+            return CustomResponse(
+                general_message="Empty csv file."
+            ).get_failure_response()
+
+        temp_headers = [
+            "muid",
+            "role"
+        ]
+        first_entry = excel_data[0]
+        for key in temp_headers:
+            if key not in first_entry:
+                return CustomResponse(
+                    general_message=f"{key} does not exist in the file."
+                ).get_failure_response()
+            
+        excel_data = [row for row in excel_data if any(row.values())]
+        valid_rows = []
+        error_rows = []
+
+        users_to_fetch = set()
+        roles_to_fetch = set()
+        user_role_link_to_check = set()
+
+        for row in excel_data[1:]:
+            keys_to_keep = ["muid", "role"]
+            row_keys = list(row.keys())
+            
+            # Remove columns other than "muid" and "role"
+            for key in row_keys:
+                if key not in keys_to_keep:
+                    del row[key]
+
+        for row in excel_data[1:]:
+            user = row.get("muid")
+            role = row.get("role")
+            users_to_fetch.add(user)
+            roles_to_fetch.add(role)
+            if (user, role) in user_role_link_to_check:
+                row["error"] = "Duplicate entry"
+                error_rows.append(row)
+                excel_data.remove(row)
+            else:
+                user_role_link_to_check.add((user, role))
+
+        users = User.objects.filter(
+            muid__in=users_to_fetch
+            ).values(
+                "id",
+                "muid",
+            )
+        roles = Role.objects.filter(
+            title__in=roles_to_fetch
+            ).values(
+                "id",
+                "title",
+            )
+        existing_user_role_links = list(UserRoleLink.objects.filter(
+            user__muid__in=users_to_fetch, 
+            role__title__in=roles_to_fetch
+            ).values_list('user__muid', 'role__title'))
+        users_dict = {user["muid"]: user["id"] for user in users}
+        roles_dict = {role["title"]: role["id"] for role in roles}
+
+        for row in excel_data[1:]:
+            user = row.pop("muid")
+            role = row.pop("role")
+
+            user_id = users_dict.get(user) 
+            role_id = roles_dict.get(role)
+
+            if not user_id:
+                row["muid"] = user
+                row["role"] = role
+                row["error"] = f"Invalid user muid: {user}"
+                error_rows.append(row)
+            elif not role_id:
+                row["muid"] = user
+                row["role"] = role
+                row["error"] = f"Invalid role: {role}"
+                error_rows.append(row)
+            elif (user, role) in existing_user_role_links:
+                row["muid"] = user
+                row["role"] = role
+                row["error"] = f"User {user} already has role {role}"
+                error_rows.append(row)
+            else:
+                request_user_id = JWTUtils.fetch_user_id(request)
+                row["id"] = str(uuid.uuid4())
+                row["user_id"] = user_id
+                row["role_id"] = role_id
+                row["verified"] = True
+                row["created_by_id"] = request_user_id
+                valid_rows.append(row)
+
+        user_roles_serializer = dash_roles_serializer.UserRoleBulkAssignSerializer(data=valid_rows, many=True)
+        success_data = []
+        if user_roles_serializer.is_valid():
+            user_roles_serializer.save()
+            for user_role_data in user_roles_serializer.data:
+                    success_data.append({
+                        'user': user_role_data.get('user_id', ''),
+                        'role': user_role_data.get('role_id', ''),
+                })
+        else:
+            error_rows.append(user_roles_serializer.errors)
+
+        return CustomResponse(
+            response={"Success": success_data, "Failed": error_rows}
+        ).get_success_response()
+
diff --git a/api/dashboard/roles/urls.py b/api/dashboard/roles/urls.py
index b3b66ec9..dc0790a9 100644
--- a/api/dashboard/roles/urls.py
+++ b/api/dashboard/roles/urls.py
@@ -6,6 +6,7 @@
 urlpatterns = [
     path('user-role/<str:role_id>/', dash_roles_views.UserRoleSearchAPI.as_view(), name='search-user-role'),
     path('base-template/', dash_roles_views.RoleBaseTemplateAPI.as_view(), name="roles-base-template"),
+    path('bulk-assign/', dash_roles_views.UserRoleBulkAssignAPI.as_view(), name="user-roles-import"),
     path('user-role/', dash_roles_views.UserRole.as_view(), name='create-delete-user-role'),
     path('', dash_roles_views.RoleAPI.as_view(), name="roles-list"),
     path('', dash_roles_views.RoleAPI.as_view(), name="roles-create"),