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Source code for galaxy.managers.histories

Manager and Serializer for histories.

Histories are containers for datasets or dataset collections
created (or copied) by users over the course of an analysis.

import logging
from typing import (

from sqlalchemy import (
from sqlalchemy.orm import aliased
from typing_extensions import Literal

from galaxy import model
from galaxy.exceptions import (
from galaxy.managers import (
from galaxy.managers.base import (
from galaxy.managers.context import ProvidesUserContext
from galaxy.managers.export_tracker import StoreExportTracker
from galaxy.model import (
from galaxy.model.base import transaction
from galaxy.model.index_filter_util import (
from galaxy.schema.fields import Security
from galaxy.schema.history import HistoryIndexQueryPayload
from galaxy.schema.schema import (
from galaxy.schema.storage_cleaner import (
from galaxy.security.validate_user_input import validate_preferred_object_store_id
from galaxy.structured_app import MinimalManagerApp
from galaxy.util.search import (

log = logging.getLogger(__name__)

    "name": "name",
    "user": "user",
    "tag": "tag",
    "is": "is",

[docs]class HistoryManager(sharable.SharableModelManager, deletable.PurgableManagerMixin, SortableManager): model_class = model.History foreign_key_name = "history" user_share_model = model.HistoryUserShareAssociation tag_assoc = model.HistoryTagAssociation annotation_assoc = model.HistoryAnnotationAssociation rating_assoc = model.HistoryRatingAssociation # TODO: incorporate imp/exp (or alias to)
[docs] def __init__( self, app: MinimalManagerApp, hda_manager: hdas.HDAManager, contents_manager: history_contents.HistoryContentsManager, contents_filters: history_contents.HistoryContentsFilters, ) -> None: super().__init__(app) self.hda_manager = hda_manager self.contents_manager = contents_manager self.contents_filters = contents_filters
[docs] def index_query( self, trans: ProvidesUserContext, payload: HistoryIndexQueryPayload, include_total_count: bool = False ) -> Tuple[List[model.History], int]: show_deleted = False show_own = payload.show_own show_published = payload.show_published show_purged = False show_shared = payload.show_shared show_archived = payload.show_archived is_admin = trans.user_is_admin user = trans.user if not user and not show_published: message = "Requires user to log in." raise RequestParameterInvalidException(message) stmt = select(self.model_class).outerjoin(model.User) filters = [] if show_own or (not show_published and not show_shared and not is_admin): filters = [self.model_class.user == user] if show_published: filters.append(self.model_class.published == true()) if show_shared: filters.append(self.user_share_model.user == user) stmt = stmt.outerjoin(self.model_class.users_shared_with) stmt = stmt.where(or_(*filters)) if payload.search: search_query = payload.search parsed_search = parse_filters_structured(search_query, INDEX_SEARCH_FILTERS) def p_tag_filter(term_text: str, quoted: bool): nonlocal stmt alias = aliased(model.HistoryTagAssociation) stmt = stmt.outerjoin(self.model_class.tags.of_type(alias)) return tag_filter(alias, term_text, quoted) for term in parsed_search.terms: if isinstance(term, FilteredTerm): key = term.filter q = term.text if key == "tag": pg = p_tag_filter(term.text, term.quoted) stmt = stmt.where(pg) elif key == "name": stmt = stmt.where(text_column_filter(self.model_class.name, term)) elif key == "user": stmt = append_user_filter(stmt, self.model_class, term) elif key == "is": if q == "deleted": show_deleted = True elif q == "importable": stmt = stmt.where(self.model_class.importable == true()) elif q == "published": stmt = stmt.where(self.model_class.published == true()) elif q == "purged": show_purged = True elif q == "shared_with_me": if not show_shared: message = "Can only use tag is:shared_with_me if show_shared parameter also true." raise RequestParameterInvalidException(message) stmt = stmt.where(self.user_share_model.user == user) elif isinstance(term, RawTextTerm): tf = p_tag_filter(term.text, False) alias = aliased(model.User) stmt = stmt.outerjoin(self.model_class.user.of_type(alias)) stmt = stmt.where( raw_text_column_filter( [ self.model_class.name, tf, alias.username, ], term, ) ) if (show_published or show_shared) and not is_admin: show_deleted = False show_purged = False if show_purged: stmt = stmt.where(self.model_class.purged == true()) else: stmt = stmt.where(self.model_class.purged == false()).where( self.model_class.deleted == (true() if show_deleted else false()) ) # By default, return only non-archived histories when we are showing the current user's histories # if listing other users' histories, we don't filter out archived histories as they may be # public or shared with the current user if show_own and not show_archived: stmt = stmt.where(self.model_class.archived == false()) stmt = stmt.distinct() if include_total_count: total_matches = get_count(trans.sa_session, stmt) else: total_matches = None sort_column: Any if payload.sort_by == "username": sort_column = model.User.username stmt = stmt.add_columns(sort_column) else: sort_column = getattr(model.History, payload.sort_by) if payload.sort_desc: sort_column = sort_column.desc() stmt = stmt.order_by(sort_column) if payload.limit is not None: stmt = stmt.limit(payload.limit) if payload.offset is not None: stmt = stmt.offset(payload.offset) return trans.sa_session.scalars(stmt), total_matches # type:ignore[return-value]
[docs] def copy(self, history, user, **kwargs): """ Copy and return the given `history`. """ return history.copy(target_user=user, **kwargs)
# .... sharable # overriding to handle anonymous users' current histories in both cases
[docs] def by_user( self, user: model.User, current_history: Optional[model.History] = None, **kwargs: Any ) -> List[model.History]: """ Get all the histories for a given user (allowing anon users' theirs) ordered by update time. """ # handle default and/or anonymous user (which still may not have a history yet) if self.user_manager.is_anonymous(user): return [current_history] if current_history else [] return super().by_user(user, **kwargs)
[docs] def is_owner( self, item: model.Base, user: Optional[model.User], current_history: Optional[model.History] = None, **kwargs: Any, ) -> bool: """ True if the current user is the owner of the given history. """ # anon users are only allowed to view their current history if self.user_manager.is_anonymous(user): if current_history and item == current_history: return True return False return super().is_owner(item, user)
# TODO: possibly to sharable or base
[docs] def most_recent(self, user, filters=None, current_history=None): """ Return the most recently update history for the user. If user is anonymous, return the current history. If the user is anonymous and the current history is deleted, return None. """ if self.user_manager.is_anonymous(user): return None if (not current_history or current_history.deleted) else current_history filters = combine_lists(filters, History.user_id == user.id) stmt = select(History).where(*filters).order_by(History.update_time.desc()).limit(1) return self.session().scalars(stmt).first()
# .... purgable
[docs] def purge(self, history, flush=True, **kwargs): """ Purge this history and all HDAs, Collections, and Datasets inside this history. """ self.error_unless_mutable(history) self.hda_manager.dataset_manager.error_unless_dataset_purge_allowed() # First purge all the datasets for hda in history.datasets: if not hda.purged: self.hda_manager.purge(hda, flush=True, **kwargs) # Now mark the history as purged super().purge(history, flush=flush, **kwargs)
# .... current # TODO: make something to bypass the anon user + current history permissions issue # def is_current_users_current_history( self, history, trans ): # pass
[docs] def get_current(self, trans): """ Return the current history. """ # TODO: trans return trans.get_history()
[docs] def set_current(self, trans, history): """ Set the current history. """ # TODO: trans trans.set_history(history) return history
[docs] def set_current_by_id(self, trans, history_id): """ Set the current history by an id. """ return self.set_current(trans, self.by_id(history_id))
# order_by parsing - similar to FilterParser but not enough yet to warrant a class?
[docs] def parse_order_by(self, order_by_string, default=None): """Return an ORM compatible order_by using the given string""" # TODO: generalize into class # TODO: general (enough) columns if order_by_string in ("create_time", "create_time-dsc"): return desc(self.model_class.create_time) if order_by_string == "create_time-asc": return asc(self.model_class.create_time) if order_by_string in ("update_time", "update_time-dsc"): return desc(self.model_class.update_time) if order_by_string == "update_time-asc": return asc(self.model_class.update_time) if order_by_string in ("name", "name-asc"): return asc(self.model_class.name) if order_by_string == "name-dsc": return desc(self.model_class.name) # TODO: history columns if order_by_string in ("size", "size-dsc"): return desc(self.model_class.disk_size) if order_by_string == "size-asc": return asc(self.model_class.disk_size) # TODO: add functional/non-orm orders (such as rating) if default: return self.parse_order_by(default) raise RequestParameterInvalidException( "Unknown order_by", order_by=order_by_string, available=["create_time", "update_time", "name", "size"] )
[docs] def non_ready_jobs(self, history): """Return the currently running job objects associated with this history. Where running is defined as new, waiting, queued, running, resubmitted, and upload. """ # TODO: defer to jobModelManager (if there was one) # TODO: genericize the params to allow other filters stmt = select(Job).where(Job.history == history).where(Job.state.in_(Job.non_ready_states)) return self.session().scalars(stmt)
[docs] def queue_history_import(self, trans, archive_type, archive_source): # Run job to do import. history_imp_tool = trans.app.toolbox.get_tool("__IMPORT_HISTORY__") incoming = {"__ARCHIVE_SOURCE__": archive_source, "__ARCHIVE_TYPE__": archive_type} job, *_ = history_imp_tool.execute(trans, incoming=incoming) trans.app.job_manager.enqueue(job, tool=history_imp_tool) return job
# TODO: remove this function when the legacy endpoint using it is removed
[docs] def legacy_serve_ready_history_export(self, trans, jeha): assert jeha.ready if jeha.compressed: trans.response.set_content_type("application/x-gzip") else: trans.response.set_content_type("application/x-tar") disposition = f'attachment; filename="{jeha.export_name}"' trans.response.headers["Content-Disposition"] = disposition archive = trans.app.object_store.get_filename(jeha.dataset) return open(archive, mode="rb")
[docs] def get_ready_history_export_file_path(self, trans, jeha) -> str: """ Serves the history export archive for use as a streaming response so the file doesn't need to be loaded into memory. """ assert jeha.ready return trans.app.object_store.get_filename(jeha.dataset)
[docs] def queue_history_export( self, trans, history, gzip=True, include_hidden=False, include_deleted=False, directory_uri=None, file_name=None ): # Convert options to booleans. if isinstance(gzip, str): gzip = gzip in ["True", "true", "T", "t"] if isinstance(include_hidden, str): include_hidden = include_hidden in ["True", "true", "T", "t"] if isinstance(include_deleted, str): include_deleted = include_deleted in ["True", "true", "T", "t"] params = { "history_to_export": history, "compress": gzip, "include_hidden": include_hidden, "include_deleted": include_deleted, } if directory_uri is None: export_tool_id = "__EXPORT_HISTORY__" else: params["directory_uri"] = directory_uri params["file_name"] = file_name or None export_tool_id = "__EXPORT_HISTORY_TO_URI__" # Run job to do export. history_exp_tool = trans.app.toolbox.get_tool(export_tool_id) job, *_ = history_exp_tool.execute(trans, incoming=params, history=history, set_output_hid=True) trans.app.job_manager.enqueue(job, tool=history_exp_tool) return job
[docs] def get_sharing_extra_information( self, trans, item, users: Set[model.User], errors: Set[str], option: Optional[sharable.SharingOptions] = None ) -> ShareHistoryExtra: """Returns optional extra information about the datasets of the history that can be accessed by the users.""" extra = ShareHistoryExtra() history = cast(model.History, item) if history.empty: errors.add("You cannot share an empty history.") return extra owner = trans.user owner_roles = owner.all_roles() can_change_dict = {} cannot_change_dict = {} share_anyway = option is not None and option == sharable.SharingOptions.no_changes datasets = history.activatable_datasets total_dataset_count = len(datasets) for user in users: if self.is_history_shared_with(history, user): continue user_roles = user.all_roles() # TODO: Handle this is a more performant way # Only deal with datasets that have not been purged for hda in datasets: if trans.app.security_agent.can_access_dataset(user_roles, hda.dataset): continue # The user with which we are sharing the history does not have access permission on the current dataset owner_can_manage_dataset = ( trans.app.security_agent.can_manage_dataset(owner_roles, hda.dataset) and not hda.dataset.library_associations ) if option and owner_can_manage_dataset: if option == sharable.SharingOptions.make_accessible_to_shared: trans.app.security_agent.privately_share_dataset(hda.dataset, users=[owner, user]) elif option == sharable.SharingOptions.make_public: trans.app.security_agent.make_dataset_public(hda.dataset) else: hda_id = hda.id hda_info = HDABasicInfo(id=hda_id, name=hda.name) if owner_can_manage_dataset: can_change_dict[hda_id] = hda_info else: cannot_change_dict[hda_id] = hda_info extra.can_change = list(can_change_dict.values()) extra.cannot_change = list(cannot_change_dict.values()) extra.accessible_count = total_dataset_count - len(extra.can_change) - len(extra.cannot_change) if not extra.accessible_count and not extra.can_change and not share_anyway: errors.add( "The history you are sharing do not contain any datasets that can be accessed by the users with which you are sharing." ) extra.can_share = not errors and (extra.accessible_count == total_dataset_count or option is not None) return extra
[docs] def is_history_shared_with(self, history: model.History, user: model.User) -> bool: stmt = select( exists() .where(HistoryUserShareAssociation.user_id == user.id) .where(HistoryUserShareAssociation.history_id == history.id) ) return bool(self.session().scalar(stmt))
[docs] def make_members_public(self, trans, item): """Make the non-purged datasets in history public. Performs permissions check. """ for hda in item.activatable_datasets: dataset = hda.dataset if not trans.app.security_agent.dataset_is_public(dataset): if trans.app.security_agent.can_manage_dataset(trans.user.all_roles(), dataset): try: trans.app.security_agent.make_dataset_public(hda.dataset) except Exception: log.warning(f"Unable to make dataset with id: {dataset.id} public") else: log.warning(f"User without permissions tried to make dataset with id: {dataset.id} public")
[docs] def archive_history(self, history: model.History, archive_export_id: Optional[int]): """Marks the history with the given id as archived and optionally associates it with the given archive export record. **Important**: The caller is responsible for passing a valid `archive_export_id` that belongs to the given history. """ history.archived = True history.archive_export_id = archive_export_id with transaction(self.session()): self.session().commit() return history
[docs] def restore_archived_history(self, history: model.History, force: bool = False): """Marks the history with the given id as not archived anymore. Only un-archives the history if it is not associated with an archive export record. You can force the un-archiving in this case by passing `force=True`. Please note that histories that are associated with an archive export are usually purged after export, so un-archiving them will not restore the datasets that were in the history before it was archived. You will need to import the archive export record to restore the history and its datasets as a new copy. """ if history.archive_export_id is not None and history.purged and not force: raise RequestParameterInvalidException( "Cannot restore an archived (and purged) history that is associated with an archive export record. " "Please try importing it back as a new copy from the associated archive export record instead. " "You can still force the un-archiving of the purged history by setting the 'force' parameter." ) history.archived = False with transaction(self.session()): self.session().commit() return history
[docs] def get_active_count(self, user: model.User) -> int: """Return the number of active histories for the given user.""" user_active_histories_filter = [ model.History.user_id == user.id, model.History.deleted == false(), model.History.archived == false(), ] return self.count(filters=user_active_histories_filter)
[docs]class HistoryStorageCleanerManager(StorageCleanerManager):
[docs] def __init__(self, history_manager: HistoryManager): self.history_manager = history_manager self.sort_map = { StoredItemOrderBy.NAME_ASC: asc(model.History.name), StoredItemOrderBy.NAME_DSC: desc(model.History.name), StoredItemOrderBy.SIZE_ASC: asc(model.History.disk_size), StoredItemOrderBy.SIZE_DSC: desc(model.History.disk_size), StoredItemOrderBy.UPDATE_TIME_ASC: asc(model.History.update_time), StoredItemOrderBy.UPDATE_TIME_DSC: desc(model.History.update_time), }
[docs] def get_discarded_summary(self, user: model.User) -> CleanableItemsSummary: stmt = select(func.sum(model.History.disk_size), func.count(model.History.id)).where( model.History.user_id == user.id, model.History.deleted == true(), model.History.purged == false(), ) result = self.history_manager.session().execute(stmt).fetchone() assert result total_size = 0 if result[0] is None else result[0] return CleanableItemsSummary(total_size=total_size, total_items=result[1])
[docs] def get_discarded( self, user: model.User, offset: Optional[int], limit: Optional[int], order: Optional[StoredItemOrderBy], ) -> List[StoredItem]: stmt = select(model.History).where( model.History.user_id == user.id, model.History.deleted == true(), model.History.purged == false(), ) if offset: stmt = stmt.offset(offset) if limit: stmt = stmt.limit(limit) if order: stmt = stmt.order_by(self.sort_map[order]) result = self.history_manager.session().execute(stmt).scalars() discarded = [self._history_to_stored_item(item) for item in result] return discarded
# TODO reduce duplication
[docs] def get_archived_summary(self, user: model.User) -> CleanableItemsSummary: stmt = select(func.sum(model.History.disk_size), func.count(model.History.id)).where( model.History.user_id == user.id, model.History.archived == true(), model.History.purged == false(), ) result = self.history_manager.session().execute(stmt).fetchone() assert result total_size = 0 if result[0] is None else result[0] return CleanableItemsSummary(total_size=total_size, total_items=result[1])
[docs] def get_archived( self, user: model.User, offset: Optional[int], limit: Optional[int], order: Optional[StoredItemOrderBy], ) -> List[StoredItem]: stmt = select(model.History).where( model.History.user_id == user.id, model.History.archived == true(), model.History.purged == false(), ) if offset: stmt = stmt.offset(offset) if limit: stmt = stmt.limit(limit) if order: stmt = stmt.order_by(self.sort_map[order]) result = self.history_manager.session().execute(stmt).scalars() archived = [self._history_to_stored_item(item) for item in result] return archived
[docs] def cleanup_items(self, user: model.User, item_ids: Set[int]) -> StorageItemsCleanupResult: success_item_count = 0 total_free_bytes = 0 errors: List[StorageItemCleanupError] = [] for history_id in item_ids: try: history = self.history_manager.get_owned(history_id, user) self._unarchive_if_needed(history) self.history_manager.purge(history, flush=False, user=user) success_item_count += 1 total_free_bytes += int(history.disk_size) except Exception as e: errors.append(StorageItemCleanupError(item_id=history_id, error=str(e))) if success_item_count: session = self.history_manager.session() with transaction(session): session.commit() return StorageItemsCleanupResult( total_item_count=len(item_ids), success_item_count=success_item_count, total_free_bytes=total_free_bytes, errors=errors, )
def _unarchive_if_needed(self, history: model.History): if history.archived: self.history_manager.restore_archived_history(history, force=True) def _history_to_stored_item(self, history: model.History) -> StoredItem: return StoredItem( id=history.id, name=history.name, type="history", size=history.disk_size, update_time=history.update_time )
[docs]class HistoryExportManager: export_object_type = ExportObjectType.HISTORY
[docs] def __init__(self, app: MinimalManagerApp, export_tracker: StoreExportTracker): self.app = app self.export_tracker = export_tracker
[docs] def get_task_exports(self, trans, history_id: int, limit: Optional[int] = None, offset: Optional[int] = None): """Returns task-based exports associated with this history""" history = self._history(trans, history_id) export_associations = self.export_tracker.get_object_exports( object_id=history_id, object_type=self.export_object_type, limit=limit, offset=offset ) return [self._serialize_task_export(export, history) for export in export_associations]
[docs] def get_task_export_by_id(self, store_export_id: int) -> model.StoreExportAssociation: return self.export_tracker.get_export_association(store_export_id)
[docs] def create_export_association(self, history_id: int) -> model.StoreExportAssociation: return self.export_tracker.create_export_association(object_id=history_id, object_type=self.export_object_type)
[docs] def get_record_metadata(self, export: model.StoreExportAssociation) -> Optional[ExportObjectMetadata]: json_metadata = export.export_metadata export_metadata = ExportObjectMetadata.parse_raw(json_metadata) if json_metadata else None return export_metadata
def _serialize_task_export(self, export: model.StoreExportAssociation, history: model.History): task_uuid = export.task_uuid export_date = export.create_time assert history.update_time is not None, "History update time must be set" history_has_changed = history.update_time > export_date export_metadata = self.get_record_metadata(export) is_ready = export_metadata is not None and export_metadata.is_ready() is_export_up_to_date = is_ready and not history_has_changed return { "id": export.id, "ready": is_ready, "preparing": export_metadata is None or export_metadata.result_data is None, "up_to_date": is_export_up_to_date, "task_uuid": task_uuid, "create_time": export_date, "export_metadata": export_metadata, }
[docs] def get_exports(self, trans, history_id: int): """Returns job-based exports associated with this history""" history = self._history(trans, history_id) matching_exports = history.exports return [self.serialize(trans, history_id, e) for e in matching_exports]
[docs] def serialize(self, trans, history_id: int, jeha: model.JobExportHistoryArchive) -> dict: rval = jeha.to_dict() rval["type"] = "job" encoded_jeha_id = Security.security.encode_id(jeha.id) encoded_history_id = Security.security.encode_id(history_id) api_url = trans.url_builder("history_archive_download", history_id=encoded_history_id, jeha_id=encoded_jeha_id) external_url = trans.url_builder( "history_archive_download", history_id=encoded_history_id, jeha_id="latest", qualified=True ) external_permanent_url = trans.url_builder( "history_archive_download", history_id=encoded_history_id, jeha_id=encoded_jeha_id, qualified=True ) rval["download_url"] = api_url rval["external_download_latest_url"] = external_url rval["external_download_permanent_url"] = external_permanent_url rval = trans.security.encode_all_ids(rval) return rval
[docs] def get_ready_jeha(self, trans, history_id: int, jeha_id: Union[int, Literal["latest"]] = "latest"): history = self._history(trans, history_id) matching_exports = history.exports if jeha_id != "latest": matching_exports = [e for e in matching_exports if e.id == jeha_id] if len(matching_exports) == 0: raise ObjectNotFound("Failed to find target history export") jeha = matching_exports[0] if not jeha.ready: raise MessageException("Export not available or not yet ready.") return jeha
def _history(self, trans, history_id: int) -> model.History: history = self.app.history_manager.get_accessible(history_id, trans.user, current_history=trans.history) return history
[docs]class HistorySerializer(sharable.SharableModelSerializer, deletable.PurgableSerializerMixin): """ Interface/service object for serializing histories into dictionaries. """ model_manager_class = HistoryManager SINGLE_CHAR_ABBR = "h"
[docs] def __init__( self, app: MinimalManagerApp, hda_manager: hdas.HDAManager, hda_serializer: hdas.HDASerializer, history_contents_serializer: history_contents.HistoryContentsSerializer, ): super().__init__(app) self.history_manager = self.manager self.hda_manager = hda_manager self.hda_serializer = hda_serializer self.history_contents_serializer = history_contents_serializer self.default_view = "summary" self.add_view( "summary", [ "id", "model_class", "name", "deleted", "purged", "archived", "count", "url", # TODO: why these? "published", "annotation", "tags", "update_time", "preferred_object_store_id", ], ) self.add_view( "detailed", [ "contents_url", "email_hash", "empty", "size", "user_id", "create_time", "importable", "slug", "username", "username_and_slug", "genome_build", # TODO: remove the next three - instead getting the same info from the 'hdas' list "state", "state_details", "state_ids", "hid_counter", # 'community_rating', # 'user_rating', ], include_keys_from="summary", ) # in the Historys' case, each of these views includes the keys from the previous #: ..note: this is a custom view for newer (2016/3) UI and should be considered volatile self.add_view( "dev-detailed", [ "contents_url", "size", "user_id", "create_time", "importable", "slug", "username_and_slug", "genome_build", # 'contents_states', "contents_active", "hid_counter", ], include_keys_from="summary", )
# assumes: outgoing to json.dumps and sanitized
[docs] def add_serializers(self): super().add_serializers() deletable.PurgableSerializerMixin.add_serializers(self) serializers: Dict[str, Serializer] = { "model_class": lambda item, key, **context: "History", "size": lambda item, key, **context: int(item.disk_size), "nice_size": lambda item, key, **context: item.disk_nice_size, "state": self.serialize_history_state, "url": lambda item, key, **context: self.url_for( "history", history_id=self.app.security.encode_id(item.id), context=context ), "contents_url": lambda item, key, **context: self.url_for( "history_contents", history_id=self.app.security.encode_id(item.id), context=context ), "hdas": lambda item, key, encode_id=True, **context: [ self.app.security.encode_id(hda.id) if encode_id else hda.id for hda in item.datasets ], "state_details": self.serialize_state_counts, "state_ids": self.serialize_state_ids, "contents": self.serialize_contents, "non_ready_jobs": lambda item, key, encode_id=True, **context: [ self.app.security.encode_id(job.id) for job in self.manager.non_ready_jobs(item) ], "contents_states": self.serialize_contents_states, "contents_active": self.serialize_contents_active, # TODO: Use base manager's serialize_id for user_id (and others) # after refactoring hierarchy here? "user_id": lambda item, key, encode_id=True, **context: ( self.app.security.encode_id(item.user_id) if item.user_id is not None and encode_id else item.user_id ), } self.serializers.update(serializers)
# remove this
[docs] def serialize_state_ids(self, item, key, **context): """ Return a dictionary keyed to possible dataset states and valued with lists containing the ids of each HDA in that state. """ history = item state_ids: Dict[str, List[str]] = {} for state in model.Dataset.states.values(): state_ids[state] = [] # TODO:?? collections and coll. states? for hda in history.datasets: # TODO: do not encode ids at this layer encoded_id = self.app.security.encode_id(hda.id) state_ids[hda.state].append(encoded_id) return state_ids
# remove this
[docs] def serialize_state_counts(self, item, key, exclude_deleted=True, exclude_hidden=False, **context): """ Return a dictionary keyed to possible dataset states and valued with the number of datasets in this history that have those states. """ history = item # TODO: the default flags above may not make a lot of sense (T,T?) state_counts = {} for state in model.Dataset.states.values(): state_counts[state] = 0 # TODO:?? collections and coll. states? for hda in history.datasets: if exclude_deleted and hda.deleted: continue if exclude_hidden and not hda.visible: continue state_counts[hda.state] = state_counts[hda.state] + 1 return state_counts
# TODO: remove this (is state used/useful?)
[docs] def serialize_history_state(self, item, key, **context): """ Returns the history state based on the states of the HDAs it contains. """ history = item states = model.Dataset.states # (default to ERROR) state = states.ERROR # TODO: history_state and state_counts are classically calc'd at the same time # so this is rel. ineff. - if we keep this... hda_state_counts = self.serialize_state_counts(history, "counts", exclude_deleted=True, **context) if history.empty: state = states.NEW else: num_hdas = sum(hda_state_counts.values()) if ( hda_state_counts[states.RUNNING] > 0 or hda_state_counts[states.SETTING_METADATA] > 0 or hda_state_counts[states.UPLOAD] > 0 ): state = states.RUNNING # TODO: this method may be more useful if we *also* polled the histories jobs here too elif hda_state_counts[states.QUEUED] > 0 or hda_state_counts[states.NEW] > 0: state = states.QUEUED elif hda_state_counts[states.ERROR] > 0 or hda_state_counts[states.FAILED_METADATA] > 0: state = states.ERROR elif (hda_state_counts[states.OK] + hda_state_counts[states.DEFERRED]) == num_hdas: state = states.OK return state
[docs] def serialize_contents(self, item, key, trans=None, user=None, **context): history = item returned = [] for content in self.manager.contents_manager._union_of_contents_query(history).all(): serialized = self.history_contents_serializer.serialize_to_view( content, view="summary", trans=trans, user=user ) returned.append(serialized) return returned
[docs] def serialize_contents_states(self, item, key, trans=None, **context): """ Return a dictionary containing the counts of all contents in each state keyed by the distinct states. Note: does not include deleted/hidden contents. """ history = item return self.manager.contents_manager.state_counts(history)
[docs] def serialize_contents_active(self, item, key, **context): """ Return a dictionary keyed with 'deleted', 'hidden', and 'active' with values for each representing the count of contents in each state. Note: counts for deleted and hidden overlap; In other words, a dataset that's both deleted and hidden will be added to both totals. """ history = item return self.manager.contents_manager.active_counts(history)
[docs]class HistoryDeserializer(sharable.SharableModelDeserializer, deletable.PurgableDeserializerMixin): """ Interface/service object for validating and deserializing dictionaries into histories. """ model_manager_class = HistoryManager
[docs] def __init__(self, app: MinimalManagerApp): super().__init__(app) self.history_manager = self.manager
[docs] def add_deserializers(self): super().add_deserializers() deletable.PurgableDeserializerMixin.add_deserializers(self) self.deserializers.update( { "name": self.deserialize_basestring, "genome_build": self.deserialize_genome_build, "preferred_object_store_id": self.deserialize_preferred_object_store_id, } )
[docs] def deserialize_preferred_object_store_id(self, item, key, val, **context): preferred_object_store_id = val validation_error = validate_preferred_object_store_id( context["trans"], self.app.object_store, preferred_object_store_id ) if validation_error: raise ModelDeserializingError(validation_error) return self.default_deserializer(item, key, preferred_object_store_id, **context)
[docs]class HistoryFilters(sharable.SharableModelFilters, deletable.PurgableFiltersMixin): model_class = model.History model_manager_class = HistoryManager def _add_parsers(self): super()._add_parsers() deletable.PurgableFiltersMixin._add_parsers(self) self.orm_filter_parsers.update( { # history specific "name": {"op": ("eq", "contains", "like")}, "genome_build": {"op": ("eq", "contains", "like")}, "create_time": {"op": ("le", "ge", "gt", "lt"), "val": self.parse_date}, "update_time": {"op": ("le", "ge", "gt", "lt"), "val": self.parse_date}, } ) self.fn_filter_parsers.update( { "username": { "op": { "eq": self.username_eq, "contains": self.username_contains, }, }, } )
[docs] def username_eq(self, item, val: str) -> bool: return val.lower() == str(item.user.username).lower()
[docs] def username_contains(self, item, val: str) -> bool: return val.lower() in str(item.user.username).lower()
[docs]def get_count(session, statement): stmt = select(func.count()).select_from(statement) return session.scalar(stmt)