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c68b343 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 | from rest_framework import serializers
from .models import (
Booking,
Experience,
StudioBooking,
UpcomingEvent,
Workshop,
WorkshopSlot,
WorkshopRegistration,
ExperienceSlot)
class BookingSerializer(serializers.ModelSerializer):
class Meta:
model = Booking
fields = [
"id",
"experience",
"slot",
"full_name",
"phone",
"email",
"booking_date",
"number_of_people",
"status",
]
read_only_fields = ["status"]
def validate(self, data):
slot = data.get("slot")
people = data.get("number_of_people")
if not slot:
raise serializers.ValidationError({
"slot": "Please select a valid time slot."
})
if not slot.is_active:
raise serializers.ValidationError({
"slot": "This slot is no longer available."
})
experience = slot.experience
# ✅ Booking-level rules (from Experience)
if experience.min_participants is not None:
if people < experience.min_participants:
raise serializers.ValidationError({
"number_of_people": f"Minimum {experience.min_participants} participants required."
})
if experience.max_participants is not None:
if people > experience.max_participants:
raise serializers.ValidationError({
"number_of_people": f"Maximum {experience.max_participants} participants allowed per booking."
})
# ✅ Slot capacity rule
available = slot.total_slots - slot.booked_slots
if people > available:
raise serializers.ValidationError({
"number_of_people": f"Only {available} slots left for this time."
})
return data
class ExperienceSlotSerializer(serializers.ModelSerializer):
startTime = serializers.TimeField(source="start_time")
endTime = serializers.TimeField(source="end_time")
availableSlots = serializers.SerializerMethodField()
class Meta:
model = ExperienceSlot
fields = [
"id",
"date",
"startTime",
"endTime",
"availableSlots",
]
def get_availableSlots(self, obj):
return max(0, obj.total_slots - obj.booked_slots)
class StudioBookingSerializer(serializers.ModelSerializer):
class Meta:
model = StudioBooking
fields = "__all__"
class UpcomingEventSerializer(serializers.ModelSerializer):
class Meta:
model = UpcomingEvent
fields = "__all__"
class WorkshopSlotSerializer(serializers.ModelSerializer):
startTime = serializers.TimeField(source="start_time")
endTime = serializers.TimeField(source="end_time")
availableSpots = serializers.IntegerField(source="available_spots")
isAvailable = serializers.BooleanField(source="is_available")
class Meta:
model = WorkshopSlot
fields = [
"id",
"date",
"startTime",
"endTime",
"availableSpots",
"isAvailable",
]
class WorkshopSerializer(serializers.ModelSerializer):
participants = serializers.SerializerMethodField()
schedule = WorkshopSlotSerializer(source="slots", many=True)
experienceType = serializers.CharField(source="experience_type", allow_null=True)
longDescription = serializers.CharField(source="long_description")
pricePerPerson = serializers.BooleanField(source="price_per_person")
takeHome = serializers.CharField(source="take_home")
providedMaterials = serializers.JSONField(source="provided_materials")
lunchIncluded = serializers.BooleanField(source="lunch_included")
class Meta:
model = Workshop
fields = [
"id",
"name",
"type",
"level",
"experienceType",
"description",
"longDescription",
"images",
"duration",
"participants",
"price",
"pricePerPerson",
"includes",
"requirements",
"location",
"instructor",
"takeHome",
"providedMaterials",
"certificate",
"lunchIncluded",
"featured",
"schedule",
]
def get_participants(self, obj):
return {
"min": obj.min_participants,
"max": obj.max_participants,
}
class WorkshopRegistrationSerializer(serializers.ModelSerializer):
class Meta:
model = WorkshopRegistration
fields = "__all__"
class ExperienceSerializer(serializers.ModelSerializer):
slots = ExperienceSlotSerializer(many=True, read_only=True)
participants = serializers.SerializerMethodField()
image = serializers.JSONField()
class Meta:
model = Experience
fields = [
"id",
"title",
"tagline",
"description",
"duration",
"people",
"price",
"image",
"is_active",
"participants",
"slots",
]
def get_participants(self, obj):
return {
"min": obj.min_participants,
"max": obj.max_participants,
} |