Fixed permission on add, change, delete based on week number for students

techdb/flightslot/actions/exportweek.py

@@ -2,7 +2,7 @@ from django.http import HttpRequest, HttpResponse
 from django.db.models.query import QuerySet
 
 from openpyxl import Workbook
-from openpyxl.styles import Font, PatternFill, Alignment
+from openpyxl.styles import Font, PatternFill, Alignment, Border, Side
 from openpyxl.utils import get_column_letter
 
 from datetime import date, datetime
@@ -34,22 +34,33 @@ def export_selected(request: HttpRequest, queryset: QuerySet[WeekPreference]) ->
     if not ws:
         raise Exception("Export: cannot select active workbook")
     ws.title = f"Week Preferences"
+    ws.page_setup.orientation = ws.ORIENTATION_LANDSCAPE
+    ws.page_setup.paperSize = ws.PAPERSIZE_A3
+    ws.page_setup.fitToHeight = 0
+    ws.page_setup.fitToWidth = 1
 
     # Header titles  
     days = [f"{datetime.strptime(f"{year} {week} {x}", "%G %V %u").strftime("%A")} {datetime.strptime(f"{year} {week} {x}", "%G %V %u").day}" for x in range(1,8)]
     headers = ["Week", "Student", "Course", *days, "Cell.", "Mail", "Notes"]
 
     # Header fields positions
+    week_index: int = headers.index("Week") + 1
     student_index: int = headers.index("Student") + 1
     course_index: int = headers.index("Course") + 1
     cell_index: int = headers.index("Cell.") + 1
     mail_index: int = headers.index("Mail") + 1
+    note_index: int = headers.index("Notes") + 1
     
     # Stile header
     header_fill = PatternFill("solid", fgColor="0e005c")
     bold_white = Font(color="FFFFFF", bold=True)
     bold_black = Font(color="000000", bold=True)
-    center = Alignment(horizontal="center", vertical="center")
+    center = Alignment(horizontal="center", vertical="center", wrapText=True)
+
+    # Cell styles 
+    border_thick: Side = Side(style='thick', color='000000')
+    border_bottom: Border = Border(bottom=border_thick)
+    border_all: Border = Border(bottom=border_thick, top=border_thick, left=border_thick, right=None)
 
     # Scrittura header
     for col, h in enumerate(headers, start=1):
@@ -58,7 +69,9 @@ def export_selected(request: HttpRequest, queryset: QuerySet[WeekPreference]) ->
         cell.font = bold_white
         cell.alignment = center
 
+    ### Start of Student Loop ###
     # Fill worksheet with EVERY training and hb for every student
+    # Each of this iterations fills the table for a student
     row: int = 2
     row_offset: int = 0
     for i, q in enumerate(queryset.order_by("student__surname", "student__name", "student__course"), start=1):
@@ -111,7 +124,7 @@ def export_selected(request: HttpRequest, queryset: QuerySet[WeekPreference]) ->
             hb_legs = HourBuildingLeg.objects.filter(hb_id = h.id)
             for hh in hb_legs:
                 hb_notes += f"{hh.departure} -> {hh.destination} [{hh.time}]\n" if not hh.stop else f"STOP at {hh.departure} [{hh.time}]\n" 
-            hb_notes.strip('\r')
+            hb_notes.strip('\n')
             hb_data.append([str(q.week), *student_data, *hb_days, str(q.student.phone), q.student.email, hb_notes])
          
         # Build rows for table
@@ -126,6 +139,7 @@ def export_selected(request: HttpRequest, queryset: QuerySet[WeekPreference]) ->
                     cell.font = bold_black
                 # Format Course Column
                 if j == course_index and q.student.course:
+                    cell.font = bold_black
                     cell.fill = PatternFill("solid", fgColor=str(q.student.course.color).lstrip('#').lower())
             
             prev_cell_val: str = r[0]
@@ -149,7 +163,12 @@ def export_selected(request: HttpRequest, queryset: QuerySet[WeekPreference]) ->
         
         # End week preferences for this student
         student_end: int = row + row_offset -1
-        # Merge Name
+
+        # Merge Week, thick border
+        # ws.cell(row=student_start, column=week_index).border = border_all
+        # ws.merge_cells(start_row=student_start, end_row=student_end, start_column=week_index, end_column=week_index)
+        # Merge Name, thick border
+        ws.cell(row=student_start, column=student_index).border = border_all
         ws.merge_cells(start_row=student_start, end_row=student_end, start_column=student_index, end_column=student_index)
         # Merge Course
         ws.merge_cells(start_row=student_start, end_row=student_end, start_column=course_index, end_column=course_index)
@@ -158,15 +177,22 @@ def export_selected(request: HttpRequest, queryset: QuerySet[WeekPreference]) ->
         # Merge Mail
         ws.merge_cells(start_row=student_start, end_row=student_end, start_column=mail_index, end_column=mail_index)
 
+        # Add thick border to the last cell row of this student
+        for i in range(course_index, len(all_data[0])+1):
+            ws.cell(row=student_end, column=i).border = border_bottom
+
         # Keep the largest column 
         for column_cells in ws.columns:
             length: int = max(len(str(cell.value)) for cell in column_cells)
             col_letter: str = "A"
             if column_cells[0].column:
-                get_column_letter(column_cells[0].column)
+                col_letter = get_column_letter(column_cells[0].column)
-            ws.column_dimensions[col_letter].width = length
+            ws.column_dimensions[col_letter].width = length + 2
         
-        # Save document in HttpResponse
+        ### End of Student Loop ###
-        wb.save(response)
+
+
+    # Save document in HttpResponse
+    wb.save(response)
 
     return response

techdb/flightslot/admin.py

@@ -42,6 +42,17 @@ class HourBuildingLegInline(nested_admin.NestedTabularInline):
     fk_name = 'hb'
     max_num = 5
 
+    # If user is a student deny edit permission for week past the current one
+    def has_change_permission(self, request: HttpRequest, obj: HourBuilding | None = None):
+        if hasattr(request.user, 'student') and obj:
+            current_week = date.today().isocalendar().week
+            if not obj.DoesNotExist and current_week > obj.weekpref.week:
+                return False
+        return True
+    
+    def has_delete_permission(self, request: HttpRequest, obj: HourBuilding | None = None):
+        return self.has_change_permission(request=request, obj=obj)
+
 class HourBuildingInLine(nested_admin.NestedTabularInline):
     model = HourBuilding
     extra = 0
@@ -50,6 +61,17 @@ class HourBuildingInLine(nested_admin.NestedTabularInline):
     verbose_name_plural = "Hour Building"
     max_num = 7
 
+    # If user is a student deny edit permission for week past the current one
+    def has_change_permission(self, request: HttpRequest, obj: WeekPreference | None = None):
+        if hasattr(request.user, 'student') and obj:
+            current_week = date.today().isocalendar().week
+            if current_week > obj.week:
+                return False
+        return True
+    
+    def has_delete_permission(self, request: HttpRequest, obj: WeekPreference | None = None):
+        return self.has_change_permission(request=request, obj=obj)
+
 class TrainingInLIne(nested_admin.NestedTabularInline):
     model = Training
     form = TrainingForm
@@ -58,9 +80,20 @@ class TrainingInLIne(nested_admin.NestedTabularInline):
     verbose_name_plural = "Training Missions"
     max_num = 7
 
+    # If user is a student deny edit permission for week past the current one
+    def has_change_permission(self, request: HttpRequest, obj: WeekPreference | None = None):
+        if hasattr(request.user, 'student') and obj:
+            current_week = date.today().isocalendar().week
+            if current_week > obj.week:
+                return False
+        return True
+    
+    def has_delete_permission(self, request: HttpRequest, obj: WeekPreference | None = None):
+        return self.has_change_permission(request=request, obj=obj)
+    
 class WeekPreferenceAdmin(nested_admin.NestedModelAdmin):
     inlines = (TrainingInLIne, HourBuildingInLine,)
-    list_display = ("week", "student__name", "student__surname", "student__course", "course_color", "student_brief_mix",)
+    list_display = ("week", "student__surname","student__name", "student__course", "course_color", "student_brief_mix",)
     list_filter = ("week", "student__course", "student",)
     actions = ("export",)
 
@@ -83,14 +116,23 @@ class WeekPreferenceAdmin(nested_admin.NestedModelAdmin):
             return SafeText("")
         return course_color(obj.student.course.color)
     
-    def has_module_permission(self, request):
+    # If a user is registered as student hide filters
+    def get_list_filter(self, request):
+        list_filter = super().get_list_filter(request)
         if hasattr(request.user, 'student'):
-            return False
+            return []
-        return True
+        return list_filter
     
+    # If a user is registered as student do not show actions
+    def get_actions(self, request):
+        actions = super().get_actions(request)
+        if hasattr(request.user, 'student'):
+            return []
+        return actions
+
+    # If a user is registered as student show only their preferences
     def get_queryset(self, request):
         qs = super().get_queryset(request)
-        # If a user is registered as student show only their preferences
         if hasattr(request.user, 'student'):
             return qs.filter(student=request.user.student)
         # If admin show everything
@@ -98,6 +140,12 @@ class WeekPreferenceAdmin(nested_admin.NestedModelAdmin):
 
     def get_form(self, request, obj=None, **kwargs):
         form: forms.Form = super().get_form(request, obj, **kwargs)
+        current_week = date.today().isocalendar().week
+
+        # If form contains the week field
+        if 'week' in form.base_fields:
+            # Set default value as current week
+            form.base_fields['week'].initial = current_week
 
         # If student is current user making request
         if hasattr(request.user, 'student'):
@@ -105,15 +153,45 @@ class WeekPreferenceAdmin(nested_admin.NestedModelAdmin):
             if 'student' in form.base_fields:
                 form.base_fields['student'].initial = student
                 form.base_fields['student'].disabled = True
-                form.base_fields['week'].disabled = True
+                form.base_fields['week'].disabled = True # student cannot change week 
-
-        # If form contains the week field
-        if 'week' in form.base_fields:
-            # Set default value as current week
-            current_week = date.today().isocalendar().week
-            form.base_fields['week'].initial = current_week
         return form
     
+    # If user is a student deny edit permission for week past the current one
+    def has_change_permission(self, request, obj: WeekPreference | None = None):
+        if hasattr(request.user, 'student') and obj:
+            current_week = date.today().isocalendar().week
+            if current_week > obj.week:
+                return False
+        return True
+    
+    # If user is a student deny edit permission for week past the current one
+    def has_add_permission(self, request, obj: WeekPreference | None = None):
+        if hasattr(request.user, 'student') and obj:
+            current_week = date.today().isocalendar().week
+            if current_week > obj.week:
+                return False
+        return True
+    
+    # If user is a student deny edit permission for week past the current one
+    def has_delete_permission(self, request, obj: WeekPreference | None = None):
+        if hasattr(request.user, 'student') and obj:
+            current_week = date.today().isocalendar().week
+            if current_week > obj.week:
+                return False
+        return True
+    
+    def changeform_view(self, request: HttpRequest, object_id: int | None = None, form_url: str = '', extra_context=None):
+        extra_context = extra_context or {}
+        if hasattr(request.user, 'student') and object_id:
+            current_week = date.today().isocalendar().week
+            weekpref = WeekPreference.objects.get(id=object_id)
+            if current_week > weekpref.week:
+                extra_context['show_save'] = False
+                extra_context['show_save_and_continue'] = False
+                extra_context['show_save_and_add_another'] = False
+                extra_context['show_delete'] = False
+        return super().changeform_view(request, object_id, form_url, extra_context)
+    
     def save_model(self, request, obj, form, change):
         # Imposta automaticamente lo studente se non è già valorizzato
         if hasattr(request.user, 'student') and not obj.student_id: