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Add Simple Metrics API endpoint
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‎docs/content/en/api/metrics-endpoint.md

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---
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title: "Simple Metrics API Endpoint"
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description: "API endpoint for retrieving finding metrics by product type with severity breakdown"
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draft: false
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weight: 3
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---
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## Simple Metrics API Endpoint
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The Simple Metrics API endpoint provides finding counts by product type, broken down by severity levels and month status. This endpoint replicates the data from the UI's `/metrics/simple` page in JSON format, making it easier to integrate with other tools and dashboards.
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### Endpoint Details
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**URL:** `/api/v2/metrics/simple`
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**Method:** `GET`
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**Authentication:** Required (Token authentication)
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**Authorization:** User must have `Product_Type_View` permission for the product types
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### Query Parameters
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| Parameter | Type | Required | Description |
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|-----------|------|----------|-------------|
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| `date` | String (YYYY-MM-DD) | No | Date to filter metrics by month/year (defaults to current month) |
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| `product_type_id` | Integer | No | Optional product type ID to filter metrics. If not provided, returns all accessible product types |
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### Response Format
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The endpoint returns an array of objects, each representing metrics for a product type:
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```json
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[
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{
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"product_type_id": 1,
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"product_type_name": "Web Application",
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"Total": 150,
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"critical": 5,
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"high": 25,
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"medium": 75,
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"low": 40,
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"info": 5,
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"Opened": 10,
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"Closed": 8
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},
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{
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"product_type_id": 2,
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"product_type_name": "Mobile Application",
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"Total": 89,
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"critical": 2,
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"high": 15,
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"medium": 45,
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"low": 25,
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"info": 2,
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"Opened": 7,
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"Closed": 5
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}
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]
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```
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### Response Fields
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| Field | Type | Description |
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|-------|------|-------------|
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| `product_type_id` | Integer | Unique identifier for the product type |
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| `product_type_name` | String | Name of the product type |
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| `Total` | Integer | Total number of findings for the product type in the specified month |
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| `critical` | Integer | Number of Critical severity findings |
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| `high` | Integer | Number of High severity findings |
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| `medium` | Integer | Number of Medium severity findings |
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| `low` | Integer | Number of Low severity findings |
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| `info` | Integer | Number of Info severity findings |
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| `Opened` | Integer | Number of findings opened in the specified month |
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| `Closed` | Integer | Number of findings closed in the specified month |
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### Example Usage
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#### Get current month metrics
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```bash
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GET /api/v2/metrics/simple
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```
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#### Get metrics for January 2024
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```bash
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GET /api/v2/metrics/simple?date=2024-01-15
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```
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#### Get metrics for a specific product type
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```bash
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GET /api/v2/metrics/simple?product_type_id=1
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```
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#### Get metrics for a specific product type and date
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```bash
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GET /api/v2/metrics/simple?date=2024-05-01&product_type_id=2
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```
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### Error Responses
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#### 400 Bad Request - Invalid date characters
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```json
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{
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"error": "Invalid date format. Only numbers and hyphens allowed."
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}
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```
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#### 400 Bad Request - Invalid date format
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```json
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{
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"error": "Invalid date format. Use YYYY-MM-DD format."
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}
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```
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#### 400 Bad Request - Date out of range
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```json
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{
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"error": "Date must be between 2000-01-01 and one year from now."
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}
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```
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#### 400 Bad Request - Invalid product_type_id format
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```json
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{
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"error": "Invalid product_type_id format."
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}
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```
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#### 404 Not Found - Product type not found or access denied
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```json
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{
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"error": "Product type not found or access denied."
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}
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```
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#### 403 Unauthorized - Missing or invalid authentication
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```json
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{
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"detail": "Authentication credentials were not provided."
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}
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```
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#### 403 Forbidden - Insufficient permissions
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```json
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{
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"detail": "You do not have permission to perform this action."
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}
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```
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### Notes
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- **Authorization Model**: This endpoint uses the same authorization model as the UI's `/metrics/simple` page, ensuring consistent access control
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- **Performance**: The endpoint is optimized with database aggregation instead of Python loops for better performance
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- **Date Handling**: If no date is provided, the current month is used by default
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- **Timezone**: All dates are handled in the server's configured timezone
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- **Product Type Access**: Users will only see metrics for product types they have permission to view
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- **Data Consistency**: The data returned by this API endpoint matches exactly what is displayed on the `/metrics/simple` UI page
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- **Field Naming**: The API uses descriptive field names (`critical`, `high`, `medium`, `low`, `info` for severity levels and `Total`, `Opened`, `Closed` for counts) to maintain consistency and readability
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- **URL Format**: The endpoint automatically redirects requests without trailing slash to include one (301 redirect)
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- **Date Validation**: The API performs two levels of date validation: first checking for valid characters (only numbers and hyphens allowed), then validating the YYYY-MM-DD format
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### Use Cases
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This endpoint is useful for:
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- **Dashboard Integration**: Integrating DefectDojo metrics into external dashboards and reporting tools
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- **Automated Reporting**: Creating automated reports showing security metrics trends over time
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- **CI/CD Integration**: Monitoring security metrics as part of continuous integration pipelines
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- **Executive Reporting**: Generating high-level security metrics for management reporting
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- **Data Analysis**: Performing custom analysis on security finding trends and patterns

‎dojo/api_v2/serializers.py

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class Meta:
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model = Notification_Webhooks
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fields = "__all__"
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class SimpleMetricsSerializer(serializers.Serializer):
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"""Serializer for simple metrics data grouped by product type."""
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product_type_id = serializers.IntegerField(read_only=True)
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product_type_name = serializers.CharField(read_only=True)
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Total = serializers.IntegerField(read_only=True)
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# Severity labels
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critical = serializers.IntegerField(read_only=True)
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high = serializers.IntegerField(read_only=True)
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medium = serializers.IntegerField(read_only=True)
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low = serializers.IntegerField(read_only=True)
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info = serializers.IntegerField(read_only=True)
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Opened = serializers.IntegerField(read_only=True)
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Closed = serializers.IntegerField(read_only=True)

‎dojo/api_v2/views.py

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return Answered_Survey.objects.all().order_by("id")
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# Authorization: authenticated
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class SimpleMetricsViewSet(
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viewsets.ReadOnlyModelViewSet,
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):
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"""
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Simple metrics API endpoint that provides finding counts by product type
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broken down by severity and month status.
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"""
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serializer_class = serializers.SimpleMetricsSerializer
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queryset = Product_Type.objects.none()
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permission_classes = (IsAuthenticated,)
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pagination_class = None
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@extend_schema(
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parameters=[
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OpenApiParameter(
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"date",
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OpenApiTypes.DATE,
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OpenApiParameter.QUERY,
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required=False,
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description="Date to generate metrics for (YYYY-MM-DD format). Defaults to current month.",
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),
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OpenApiParameter(
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"product_type_id",
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OpenApiTypes.INT,
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OpenApiParameter.QUERY,
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required=False,
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description="Optional product type ID to filter metrics. If not provided, returns all accessible product types.",
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),
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],
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responses={status.HTTP_200_OK: serializers.SimpleMetricsSerializer(many=True)},
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)
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def list(self, request):
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"""Retrieve simple metrics data for the requested month grouped by product type."""
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from dojo.metrics.views import get_simple_metrics_data
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# Parse the date parameter, default to current month
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now = timezone.now()
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date_param = request.query_params.get("date")
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product_type_id = request.query_params.get("product_type_id")
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if date_param:
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# Input validation
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if len(date_param) > 20:
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return Response(
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{"error": "Invalid date parameter length."},
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status=status.HTTP_400_BAD_REQUEST,
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)
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# Sanitize input - only allow alphanumeric characters and hyphens
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import re
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if not re.match(r"^[0-9\-]+$", date_param):
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return Response(
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{"error": "Invalid date format. Only numbers and hyphens allowed."},
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status=status.HTTP_400_BAD_REQUEST,
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)
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try:
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# Parse date string with validation
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parsed_date = datetime.strptime(date_param, "%Y-%m-%d")
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# Date range validation
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min_date = datetime(2000, 1, 1)
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max_date = datetime.now() + relativedelta(years=1)
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if parsed_date < min_date or parsed_date > max_date:
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return Response(
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{"error": "Date must be between 2000-01-01 and one year from now."},
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status=status.HTTP_400_BAD_REQUEST,
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)
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# Make it timezone aware
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now = timezone.make_aware(parsed_date) if timezone.is_naive(parsed_date) else parsed_date
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except ValueError:
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return Response(
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{"error": "Invalid date format. Use YYYY-MM-DD format."},
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status=status.HTTP_400_BAD_REQUEST,
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)
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# Optional filtering by specific product type with validation
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parsed_product_type_id = None
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if product_type_id:
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try:
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parsed_product_type_id = int(product_type_id)
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except ValueError:
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return Response(
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{"error": "Invalid product_type_id format."},
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status=status.HTTP_400_BAD_REQUEST,
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)
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# Get metrics data
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try:
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metrics_data = get_simple_metrics_data(
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now,
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parsed_product_type_id,
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)
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except Exception as e:
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logger.error(f"Error retrieving metrics: {e}")
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return Response(
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{"error": "Unable to retrieve metrics data."},
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status=status.HTTP_500_INTERNAL_SERVER_ERROR,
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)
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# Check if product type was requested but not found
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if parsed_product_type_id and not metrics_data:
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return Response(
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{"error": "Product type not found or access denied."},
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status=status.HTTP_404_NOT_FOUND,
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)
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serializer = self.serializer_class(metrics_data, many=True)
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return Response(serializer.data)
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# Authorization: configuration
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class AnnouncementViewSet(
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DojoModelViewSet,

‎dojo/fixtures/unit_limit_reqresp.json

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"hash_code": "c89d25e445b088ba339908f68e15e3177b78d22f3039d1bfea51c4be251bf4e0",
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"last_reviewed": null
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}
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},{
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"pk": 8,
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"model": "dojo.finding",
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"fields": {
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"last_reviewed_by": null,
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"reviewers": [],
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"static_finding": false,
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"date": "2017-12-31",
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"references": "",
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"files": [],
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"payload": null,
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"under_defect_review": false,
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"impact": "High",
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"false_p": false,
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"verified": false,
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"severity": "High",
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"title": "DUMMY FINDING WITH REQRESP",
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"param": null,
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"created": "2017-12-01T00:00:00Z",
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"duplicate": false,
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"mitigation": "MITIGATION",
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"found_by": [
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1
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],
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"numerical_severity": "S0",
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"test": 5,
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"out_of_scope": false,
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"cwe": 1,
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"file_path": "",
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"duplicate_finding": null,
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"description": "TEST finding",
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"mitigated_by": null,
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"reporter": 2,
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"mitigated": null,
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"active": false,
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"line": 100,
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"under_review": false,
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"defect_review_requested_by": 2,
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"review_requested_by": 2,
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"thread_id": 1,
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"url": "http://www.example.com",
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"notes": [],
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"dynamic_finding": false,
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"hash_code": "c89d25e445b088ba339908f68e15e3177b78d22f3039d1bfea51c4be251bf4e0",
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"last_reviewed": null
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}
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},{
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"pk": 123,
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"model": "dojo.burprawrequestresponse",

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