# Analysis, API and Payment views

* refactors payment creation, editing and removing into class based views
* refactors analysis report methods into class based views
* drops unused method view on api app (token generating has been de facto moved into users app long time ago)

analysis/views.py

@@ -1,8 +1,12 @@
 from django.contrib import messages
 from django.contrib.auth.decorators import login_required
+from django.contrib.auth.mixins import LoginRequiredMixin
 from django.http import HttpRequest, HttpResponse
 from django.shortcuts import render, redirect, get_object_or_404
 from django.utils import timezone
+from django.utils.decorators import method_decorator
+from django.views import View
+from django.views.generic import DetailView
 
 from analysis.forms import TimespanReportForm
 from analysis.utils.excel.excel import TempExcelFile
@@ -42,57 +46,112 @@ def index_reports_view(request: HttpRequest):
     context = BaseContext(request, context).context
     return render(request, template, context)
 
+class ReportIndexView(LoginRequiredMixin, View):
+    @method_decorator(conservation_office_group_required)
+    def get(self, request: HttpRequest) -> HttpResponse:
 
-@login_required
-@conservation_office_group_required
-def detail_report_view(request: HttpRequest, id: str):
-    """ Renders the detailed report for a conservation office
+        """
 
-    Args:
-        request (HttpRequest): The incoming request
-        id (str): The conservation_office KonovaCode id
+        Args:
+            request (HttpRequest): The incoming request
 
-    Returns:
+        Returns:
 
-    """
-    # Try to resolve the requested office id
-    cons_office = get_object_or_404(
-        KonovaCode,
-        id=id
-    )
-    # Try to resolve the date parameters into Date objects -> redirect if this fails
-    try:
-        df = request.GET.get("df", None)
-        dt = request.GET.get("dt", None)
-        date_from = timezone.make_aware(timezone.datetime.fromisoformat(df))
-        date_to = timezone.make_aware(timezone.datetime.fromisoformat(dt))
-    except ValueError:
-        messages.error(
-            request,
-            PARAMS_INVALID,
-            extra_tags="danger",
+        """
+        template = "analysis/reports/index.html"
+        form = TimespanReportForm(None)
+        context = {
+            "form": form
+        }
+        context = BaseContext(request, context).context
+        return render(request, template, context)
+
+    @method_decorator(conservation_office_group_required)
+    def post(self, request: HttpRequest) -> HttpResponse:
+
+        """
+
+        Args:
+            request (HttpRequest): The incoming request
+
+        Returns:
+
+        """
+        template = "analysis/reports/index.html"
+        form = TimespanReportForm(request.POST or None)
+        if form.is_valid():
+            redirect_url = form.save()
+            return redirect(redirect_url)
+        else:
+            messages.error(
+                request,
+                FORM_INVALID,
+                extra_tags="danger",
+            )
+        context = {
+            "form": form
+        }
+        context = BaseContext(request, context).context
+        return render(request, template, context)
+
+
+class ReportDetailView(LoginRequiredMixin, DetailView):
+
+    @method_decorator(conservation_office_group_required)
+    def get(self, request: HttpRequest, id: str):
+        """ Renders the detailed report for a conservation office
+
+        Args:
+            request (HttpRequest): The incoming request
+            id (str): The conservation_office KonovaCode id
+
+        Returns:
+
+        """
+        # Try to resolve the requested office id
+        cons_office = get_object_or_404(
+            KonovaCode,
+            id=id
         )
-        return redirect("analysis:reports")
+        # Try to resolve the date parameters into Date objects -> redirect if this fails
+        try:
+            df = request.GET.get("df", None)
+            dt = request.GET.get("dt", None)
+            date_from = timezone.make_aware(timezone.datetime.fromisoformat(df))
+            date_to = timezone.make_aware(timezone.datetime.fromisoformat(dt))
+        except ValueError:
+            messages.error(
+                request,
+                PARAMS_INVALID,
+                extra_tags="danger",
+            )
+            return redirect("analysis:reports")
 
-    # Check whether the html default rendering is requested or an alternative
-    format_param = request.GET.get("format", "html")
-    report = TimespanReport(id, date_from, date_to)
+        # Check whether the html default rendering is requested or an alternative
+        format_param = request.GET.get("format", "html")
+        report = TimespanReport(id, date_from, date_to)
 
-    if format_param == "html":
+        if format_param == "html":
+            return self.__handle_html_format(request, report, cons_office)
+        elif format_param == "excel":
+            return self.__handle_excel_format(report, cons_office, df, dt)
+        else:
+            raise NotImplementedError
+
+    def __handle_html_format(self, request, report: TimespanReport, office: KonovaCode):
         template = "analysis/reports/detail.html"
         context = {
-            "office": cons_office,
+            "office": office,
             "report": report,
         }
         context = BaseContext(request, context).context
         return render(request, template, context)
-    elif format_param == "excel":
+
+    def __handle_excel_format(self, report: TimespanReport, office: KonovaCode, df: str, dt: str):
         file = TempExcelFile(report.excel_template_path, report.excel_map)
         response = HttpResponse(
             content=file.stream,
             content_type="application/ms-excel",
         )
-        response['Content-Disposition'] = f'attachment; filename={cons_office.long_name}_{df}_{dt}.xlsx'
+        response['Content-Disposition'] = f'attachment; filename={office.long_name}_{df}_{dt}.xlsx'
         return response
-    else:
-        raise NotImplementedError