173 lines
4.3 KiB
Python
173 lines
4.3 KiB
Python
from typing import Any
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from ..utils.projector import projector_elements
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from ..utils.rest_api import Field, IntegerField, ModelSerializer, ValidationError
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from ..utils.validate import validate_html
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from .models import (
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ChatMessage,
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ConfigStore,
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Countdown,
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History,
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ProjectionDefault,
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Projector,
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ProjectorMessage,
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Tag,
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)
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class JSONSerializerField(Field):
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"""
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Serializer for projector's and config JSONField.
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"""
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def to_internal_value(self, data):
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"""
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Returns the value. It is encoded from the Django JSONField.
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"""
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return data
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def to_representation(self, value):
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"""
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Returns the value. It is decoded from the Django JSONField.
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"""
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return value
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class ProjectionDefaultSerializer(ModelSerializer):
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"""
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Serializer for core.models.ProjectionDefault objects.
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"""
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class Meta:
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model = ProjectionDefault
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fields = ("id", "name", "display_name", "projector")
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def elements_validator(value: Any) -> None:
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"""
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Checks the format of the elements field.
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"""
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if not isinstance(value, list):
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raise ValidationError({"detail": "Data must be a list."})
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for element in value:
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if not isinstance(element, dict):
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raise ValidationError({"detail": "Data must be a dictionary."})
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if element.get("name") is None:
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raise ValidationError(
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{"detail": "Every dictionary must have a key 'name'."}
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)
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if element["name"] not in projector_elements:
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raise ValidationError(
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{"detail": f"Unknown projector element {element['name']},"}
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)
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def elements_array_validator(value: Any) -> None:
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"""
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Validates the value of the element field of the projector model.
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"""
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if not isinstance(value, list):
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raise ValidationError({"detail": "Data must be a list."})
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for element in value:
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elements_validator(element)
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class ProjectorSerializer(ModelSerializer):
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"""
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Serializer for core.models.Projector objects.
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"""
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elements = JSONSerializerField(validators=[elements_validator])
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elements_preview = JSONSerializerField(validators=[elements_array_validator])
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elements_history = JSONSerializerField(validators=[elements_array_validator])
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projectiondefaults = ProjectionDefaultSerializer(many=True, read_only=True)
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width = IntegerField(min_value=800, max_value=3840, required=False)
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height = IntegerField(min_value=340, max_value=2880, required=False)
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class Meta:
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model = Projector
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fields = (
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"id",
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"elements",
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"elements_preview",
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"elements_history",
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"scale",
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"scroll",
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"name",
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"width",
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"height",
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"projectiondefaults",
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)
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read_only_fields = ("scale", "scroll")
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class TagSerializer(ModelSerializer):
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"""
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Serializer for core.models.Tag objects.
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"""
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class Meta:
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model = Tag
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fields = ("id", "name")
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class ConfigSerializer(ModelSerializer):
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"""
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Serializer for core.models.Tag objects.
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"""
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value = JSONSerializerField()
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class Meta:
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model = ConfigStore
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fields = ("id", "key", "value")
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class ChatMessageSerializer(ModelSerializer):
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"""
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Serializer for core.models.ChatMessage objects.
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"""
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class Meta:
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model = ChatMessage
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fields = ("id", "message", "timestamp", "user")
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read_only_fields = ("user",)
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class ProjectorMessageSerializer(ModelSerializer):
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"""
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Serializer for core.models.ProjectorMessage objects.
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"""
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class Meta:
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model = ProjectorMessage
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fields = ("id", "message")
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def validate(self, data):
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if "message" in data:
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data["message"] = validate_html(data["message"])
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return data
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class CountdownSerializer(ModelSerializer):
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"""
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Serializer for core.models.Countdown objects.
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"""
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class Meta:
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model = Countdown
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fields = ("id", "description", "default_time", "countdown_time", "running")
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class HistorySerializer(ModelSerializer):
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"""
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Serializer for core.models.Countdown objects.
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Does not contain full data of history object.
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"""
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class Meta:
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model = History
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fields = ("id", "element_id", "now", "information", "user")
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