Fields (V1)

Service for managing custom fields.

Use V2 /fields endpoints for reading field metadata. Use V1 for creating/deleting fields.

Source code in affinity/services/v1_only.py

class FieldService:
    """
    Service for managing custom fields.

    Use V2 /fields endpoints for reading field metadata.
    Use V1 for creating/deleting fields.
    """

    def __init__(self, client: HTTPClient):
        self._client = client

    def list(
        self,
        *,
        list_id: ListId | None = None,
        entity_type: EntityType | None = None,
    ) -> list[FieldMetadata]:
        """
        Get fields (V1 API).

        For list/person/company field metadata, prefer the V2 read endpoints on the
        corresponding services when available (e.g., `client.lists.get_fields(...)`).
        """
        params: dict[str, Any] = {}
        if list_id:
            params["list_id"] = int(list_id)
        if entity_type is not None:
            params["entity_type"] = int(entity_type)

        data = self._client.get("/fields", params=params or None, v1=True)
        items = data.get("data", [])
        if not isinstance(items, list):
            items = []
        return [FieldMetadata.model_validate(f) for f in items]

    def create(self, data: FieldCreate) -> FieldMetadata:
        """Create a custom field."""
        value_type_code = to_v1_value_type_code(value_type=data.value_type, raw=None)
        if value_type_code is None:
            raise ValueError(f"Field value_type has no V1 numeric mapping: {data.value_type!s}")
        payload = data.model_dump(by_alias=True, mode="json", exclude_unset=True, exclude_none=True)
        payload["entity_type"] = int(data.entity_type)
        payload["value_type"] = value_type_code
        for key in ("allows_multiple", "is_list_specific", "is_required"):
            if not payload.get(key):
                payload.pop(key, None)

        result = self._client.post("/fields", json=payload, v1=True)

        # Invalidate field caches
        if self._client.cache:
            self._client.cache.invalidate_prefix("field")
            self._client.cache.invalidate_prefix("list_")
            self._client.cache.invalidate_prefix("person_fields")
            self._client.cache.invalidate_prefix("company_fields")

        return FieldMetadata.model_validate(result)

    def delete(self, field_id: FieldId) -> bool:
        """
        Delete a custom field (V1 API).

        Note: V1 deletes require numeric field IDs. The SDK accepts V2-style
        `field-<digits>` IDs and converts them; enriched/relationship-intelligence
        IDs are not supported.
        """
        numeric_id = field_id_to_v1_numeric(field_id)
        result = self._client.delete(f"/fields/{numeric_id}", v1=True)

        # Invalidate field caches
        if self._client.cache:
            self._client.cache.invalidate_prefix("field")
            self._client.cache.invalidate_prefix("list_")
            self._client.cache.invalidate_prefix("person_fields")
            self._client.cache.invalidate_prefix("company_fields")

        return bool(result.get("success", False))

    def exists(self, field_id: AnyFieldId) -> bool:
        """
        Check if a field exists.

        Useful for validation before setting field values.

        Note: This fetches all fields and checks locally. If your code calls
        exists() frequently in a loop, consider caching the result of fields.list()
        yourself.

        Args:
            field_id: The field ID to check

        Returns:
            True if the field exists, False otherwise

        Example:
            if client.fields.exists(FieldId("field-123")):
                client.field_values.create(...)
        """
        target_id = FieldId(field_id) if not isinstance(field_id, FieldId) else field_id
        fields = self.list()
        return any(f.id == target_id for f in fields)

    def get_by_name(self, name: str) -> FieldMetadata | None:
        """
        Find a field by its display name.

        Uses case-insensitive matching (casefold for i18n support).

        Note: This fetches all fields and searches locally. If your code calls
        get_by_name() frequently in a loop, consider caching the result of
        fields.list() yourself.

        Args:
            name: The field display name to search for

        Returns:
            FieldMetadata if found, None otherwise

        Example:
            field = client.fields.get_by_name("Primary Email Status")
            if field:
                fv = client.field_values.get_for_entity(field.id, person_id=pid)
        """
        fields = self.list()
        name_folded = name.strip().casefold()  # Strip whitespace, then casefold for i18n
        for field in fields:
            if field.name.casefold() == name_folded:
                return field
        return None

create(data: FieldCreate) -> FieldMetadata

Create a custom field.

Source code in affinity/services/v1_only.py

def create(self, data: FieldCreate) -> FieldMetadata:
    """Create a custom field."""
    value_type_code = to_v1_value_type_code(value_type=data.value_type, raw=None)
    if value_type_code is None:
        raise ValueError(f"Field value_type has no V1 numeric mapping: {data.value_type!s}")
    payload = data.model_dump(by_alias=True, mode="json", exclude_unset=True, exclude_none=True)
    payload["entity_type"] = int(data.entity_type)
    payload["value_type"] = value_type_code
    for key in ("allows_multiple", "is_list_specific", "is_required"):
        if not payload.get(key):
            payload.pop(key, None)

    result = self._client.post("/fields", json=payload, v1=True)

    # Invalidate field caches
    if self._client.cache:
        self._client.cache.invalidate_prefix("field")
        self._client.cache.invalidate_prefix("list_")
        self._client.cache.invalidate_prefix("person_fields")
        self._client.cache.invalidate_prefix("company_fields")

    return FieldMetadata.model_validate(result)

delete(field_id: FieldId) -> bool

Delete a custom field (V1 API).

Note: V1 deletes require numeric field IDs. The SDK accepts V2-style field-<digits> IDs and converts them; enriched/relationship-intelligence IDs are not supported.

Source code in affinity/services/v1_only.py

def delete(self, field_id: FieldId) -> bool:
    """
    Delete a custom field (V1 API).

    Note: V1 deletes require numeric field IDs. The SDK accepts V2-style
    `field-<digits>` IDs and converts them; enriched/relationship-intelligence
    IDs are not supported.
    """
    numeric_id = field_id_to_v1_numeric(field_id)
    result = self._client.delete(f"/fields/{numeric_id}", v1=True)

    # Invalidate field caches
    if self._client.cache:
        self._client.cache.invalidate_prefix("field")
        self._client.cache.invalidate_prefix("list_")
        self._client.cache.invalidate_prefix("person_fields")
        self._client.cache.invalidate_prefix("company_fields")

    return bool(result.get("success", False))

exists(field_id: AnyFieldId) -> bool

Check if a field exists.

Useful for validation before setting field values.

Note: This fetches all fields and checks locally. If your code calls exists() frequently in a loop, consider caching the result of fields.list() yourself.

Parameters:

Name	Type	Description	Default
field_id	AnyFieldId	The field ID to check	required

Returns:

Type	Description
bool	True if the field exists, False otherwise

Example

if client.fields.exists(FieldId("field-123")): client.field_values.create(...)

Source code in affinity/services/v1_only.py

def exists(self, field_id: AnyFieldId) -> bool:
    """
    Check if a field exists.

    Useful for validation before setting field values.

    Note: This fetches all fields and checks locally. If your code calls
    exists() frequently in a loop, consider caching the result of fields.list()
    yourself.

    Args:
        field_id: The field ID to check

    Returns:
        True if the field exists, False otherwise

    Example:
        if client.fields.exists(FieldId("field-123")):
            client.field_values.create(...)
    """
    target_id = FieldId(field_id) if not isinstance(field_id, FieldId) else field_id
    fields = self.list()
    return any(f.id == target_id for f in fields)

get_by_name(name: str) -> FieldMetadata | None

Find a field by its display name.

Uses case-insensitive matching (casefold for i18n support).

Note: This fetches all fields and searches locally. If your code calls get_by_name() frequently in a loop, consider caching the result of fields.list() yourself.

Parameters:

Name	Type	Description	Default
name	str	The field display name to search for	required

Returns:

Type	Description
FieldMetadata | None	FieldMetadata if found, None otherwise

Example

field = client.fields.get_by_name("Primary Email Status") if field: fv = client.field_values.get_for_entity(field.id, person_id=pid)

Source code in affinity/services/v1_only.py

def get_by_name(self, name: str) -> FieldMetadata | None:
    """
    Find a field by its display name.

    Uses case-insensitive matching (casefold for i18n support).

    Note: This fetches all fields and searches locally. If your code calls
    get_by_name() frequently in a loop, consider caching the result of
    fields.list() yourself.

    Args:
        name: The field display name to search for

    Returns:
        FieldMetadata if found, None otherwise

    Example:
        field = client.fields.get_by_name("Primary Email Status")
        if field:
            fv = client.field_values.get_for_entity(field.id, person_id=pid)
    """
    fields = self.list()
    name_folded = name.strip().casefold()  # Strip whitespace, then casefold for i18n
    for field in fields:
        if field.name.casefold() == name_folded:
            return field
    return None

list(*, list_id: ListId | None = None, entity_type: EntityType | None = None) -> list[FieldMetadata]

Get fields (V1 API).

For list/person/company field metadata, prefer the V2 read endpoints on the corresponding services when available (e.g., client.lists.get_fields(...)).

Source code in affinity/services/v1_only.py

def list(
    self,
    *,
    list_id: ListId | None = None,
    entity_type: EntityType | None = None,
) -> list[FieldMetadata]:
    """
    Get fields (V1 API).

    For list/person/company field metadata, prefer the V2 read endpoints on the
    corresponding services when available (e.g., `client.lists.get_fields(...)`).
    """
    params: dict[str, Any] = {}
    if list_id:
        params["list_id"] = int(list_id)
    if entity_type is not None:
        params["entity_type"] = int(entity_type)

    data = self._client.get("/fields", params=params or None, v1=True)
    items = data.get("data", [])
    if not isinstance(items, list):
        items = []
    return [FieldMetadata.model_validate(f) for f in items]