diff options
Diffstat (limited to 'pydis_site')
| -rw-r--r-- | pydis_site/apps/api/models/bot/tag.py | 173 |
1 files changed, 0 insertions, 173 deletions
diff --git a/pydis_site/apps/api/models/bot/tag.py b/pydis_site/apps/api/models/bot/tag.py deleted file mode 100644 index 790ad37a..00000000 --- a/pydis_site/apps/api/models/bot/tag.py +++ /dev/null @@ -1,173 +0,0 @@ -from collections.abc import Mapping -from typing import Any, Dict - -from django.core.exceptions import ValidationError -from django.core.validators import MaxLengthValidator, MinLengthValidator - - -def is_bool_validator(value: Any) -> None: - """Validates if a given value is of type bool.""" - if not isinstance(value, bool): - raise ValidationError(f"This field must be of type bool, not {type(value)}.") - - -def validate_tag_embed_fields(fields: dict) -> None: - """Raises a ValidationError if any of the given embed fields is invalid.""" - field_validators = { - 'name': (MaxLengthValidator(limit_value=256),), - 'value': (MaxLengthValidator(limit_value=1024),), - 'inline': (is_bool_validator,), - } - - required_fields = ('name', 'value') - - for field in fields: - if not isinstance(field, Mapping): - raise ValidationError("Embed fields must be a mapping.") - - if not all(required_field in field for required_field in required_fields): - raise ValidationError( - f"Embed fields must contain the following fields: {', '.join(required_fields)}." - ) - - for field_name, value in field.items(): - if field_name not in field_validators: - raise ValidationError(f"Unknown embed field field: {field_name!r}.") - - for validator in field_validators[field_name]: - validator(value) - - -def validate_tag_embed_footer(footer: Dict[str, str]) -> None: - """Raises a ValidationError if the given footer is invalid.""" - field_validators = { - 'text': ( - MinLengthValidator( - limit_value=1, - message="Footer text must not be empty." - ), - MaxLengthValidator(limit_value=2048) - ), - 'icon_url': (), - 'proxy_icon_url': () - } - - if not isinstance(footer, Mapping): - raise ValidationError("Embed footer must be a mapping.") - - for field_name, value in footer.items(): - if field_name not in field_validators: - raise ValidationError(f"Unknown embed footer field: {field_name!r}.") - - for validator in field_validators[field_name]: - validator(value) - - -def validate_tag_embed_author(author: Any) -> None: - """Raises a ValidationError if the given author is invalid.""" - field_validators = { - 'name': ( - MinLengthValidator( - limit_value=1, - message="Embed author name must not be empty." - ), - MaxLengthValidator(limit_value=256) - ), - 'url': (), - 'icon_url': (), - 'proxy_icon_url': () - } - - if not isinstance(author, Mapping): - raise ValidationError("Embed author must be a mapping.") - - for field_name, value in author.items(): - if field_name not in field_validators: - raise ValidationError(f"Unknown embed author field: {field_name!r}.") - - for validator in field_validators[field_name]: - validator(value) - - -def validate_tag_embed(embed: Any) -> None: - """ - Validate a JSON document containing an embed as possible to send on Discord. - - This attempts to rebuild the validation used by Discord - as well as possible by checking for various embed limits so we can - ensure that any embed we store here will also be accepted as a - valid embed by the Discord API. - - Using this directly is possible, although not intended - you usually - stick this onto the `validators` keyword argument of model fields. - - Example: - - >>> from django.contrib.postgres import fields as pgfields - >>> from django.db import models - >>> from pydis_site.apps.api.models.bot.tag import validate_tag_embed - >>> class MyMessage(models.Model): - ... embed = pgfields.JSONField( - ... validators=( - ... validate_tag_embed, - ... ) - ... ) - ... # ... - ... - - Args: - embed (Any): - A dictionary describing the contents of this embed. - See the official documentation for a full reference - of accepted keys by this dictionary: - https://discordapp.com/developers/docs/resources/channel#embed-object - - Raises: - ValidationError: - In case the given embed is deemed invalid, a `ValidationError` - is raised which in turn will allow Django to display errors - as appropriate. - """ - all_keys = { - 'title', 'type', 'description', 'url', 'timestamp', - 'color', 'footer', 'image', 'thumbnail', 'video', - 'provider', 'author', 'fields' - } - one_required_of = {'description', 'fields', 'image', 'title', 'video'} - field_validators = { - 'title': ( - MinLengthValidator( - limit_value=1, - message="Embed title must not be empty." - ), - MaxLengthValidator(limit_value=256) - ), - 'description': (MaxLengthValidator(limit_value=2048),), - 'fields': ( - MaxLengthValidator(limit_value=25), - validate_tag_embed_fields - ), - 'footer': (validate_tag_embed_footer,), - 'author': (validate_tag_embed_author,) - } - - if not embed: - raise ValidationError("Tag embed must not be empty.") - - elif not isinstance(embed, Mapping): - raise ValidationError("Tag embed must be a mapping.") - - elif not any(field in embed for field in one_required_of): - raise ValidationError(f"Tag embed must contain one of the fields {one_required_of}.") - - for required_key in one_required_of: - if required_key in embed and not embed[required_key]: - raise ValidationError(f"Key {required_key!r} must not be empty.") - - for field_name, value in embed.items(): - if field_name not in all_keys: - raise ValidationError(f"Unknown field name: {field_name!r}") - - if field_name in field_validators: - for validator in field_validators[field_name]: - validator(value) |