94 lines
3.0 KiB
Python
94 lines
3.0 KiB
Python
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from rest_framework import serializers
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# Cross-app import (photos → tools). String FK in the model avoids DB circular
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# import; here we need the class directly for the serializer queryset.
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from apps.tools.models import ShotGroup
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from .models import GroupPhoto, GroupPhotoAnalysis, Photo, PointOfImpact
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class PhotoMetaSerializer(serializers.ModelSerializer):
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"""Photo metadata only — the binary `data` field is never exposed in JSON."""
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class Meta:
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model = Photo
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fields = ['id', 'content_type', 'size', 'width', 'height',
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'uploaded_by', 'uploaded_at', 'description']
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read_only_fields = ['id', 'size', 'width', 'height', 'uploaded_by', 'uploaded_at']
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class GroupPhotoAnalysisSerializer(serializers.ModelSerializer):
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class Meta:
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model = GroupPhotoAnalysis
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fields = [
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'group_size_mm', 'group_size_moa',
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'elevation_offset_mm', 'elevation_offset_moa',
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'windage_offset_mm', 'windage_offset_moa',
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'mean_radius_mm', 'mean_radius_moa',
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'notes',
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]
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def validate(self, attrs):
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instance = GroupPhotoAnalysis(**attrs)
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instance.clean()
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return attrs
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class PointOfImpactSerializer(serializers.ModelSerializer):
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# Write: accept Shot PK; Read: compact inline summary
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shot_detail = serializers.SerializerMethodField()
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class Meta:
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model = PointOfImpact
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fields = [
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'id', 'order',
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'shot', 'shot_detail',
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'x_px', 'y_px',
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'x_mm', 'y_mm', 'radius_mm',
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'notes',
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]
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def get_shot_detail(self, obj):
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if not obj.shot_id:
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return None
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return {
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'id': obj.shot.pk,
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'shot_number': obj.shot.shot_number,
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'velocity_fps': str(obj.shot.velocity_fps),
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}
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class GroupPhotoSerializer(serializers.ModelSerializer):
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photo = PhotoMetaSerializer(read_only=True)
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photo_id = serializers.PrimaryKeyRelatedField(
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source='photo',
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queryset=Photo.objects.all(),
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write_only=True,
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)
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# shot_group is optional — photos can exist independently of any group
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shot_group = serializers.PrimaryKeyRelatedField(
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queryset=ShotGroup.objects.all(),
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required=False, allow_null=True,
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)
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shot_group_detail = serializers.SerializerMethodField()
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analysis = GroupPhotoAnalysisSerializer(read_only=True)
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points_of_impact = PointOfImpactSerializer(many=True, read_only=True)
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class Meta:
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model = GroupPhoto
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fields = [
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'id', 'photo_id', 'photo',
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'shot_group', 'shot_group_detail', 'caption', 'order',
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'is_public', 'analysis', 'points_of_impact',
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]
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def get_shot_group_detail(self, obj):
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if not obj.shot_group_id:
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return None
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sg = obj.shot_group
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return {
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'id': sg.pk,
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'label': sg.label,
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'distance_m': str(sg.distance_m) if sg.distance_m else None,
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}
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