Warning

This document is for an old release of Galaxy. You can alternatively view this page in the latest release if it exists or view the top of the latest release's documentation.

Source code for galaxy.webapps.galaxy.controllers.page

from markupsafe import escape
from sqlalchemy import (
    desc,
    false,
    true,
)
from sqlalchemy.orm import (
    joinedload,
    undefer,
)

from galaxy import (
    model,
    util,
    web,
)
from galaxy.managers.hdas import HDAManager
from galaxy.managers.histories import (
    HistoryManager,
    HistorySerializer,
)
from galaxy.managers.pages import PageManager
from galaxy.managers.sharable import SlugBuilder
from galaxy.managers.workflows import WorkflowsManager
from galaxy.model.item_attrs import UsesItemRatings
from galaxy.schema.schema import CreatePagePayload
from galaxy.structured_app import StructuredApp
from galaxy.util.sanitize_html import sanitize_html
from galaxy.web import (
    error,
    url_for,
)
from galaxy.web.framework.helpers import (
    grids,
    time_ago,
)
from galaxy.webapps.base.controller import (
    BaseUIController,
    SharableMixin,
    UsesStoredWorkflowMixin,
    UsesVisualizationMixin,
)
from galaxy.webapps.galaxy.api import depends


[docs]def format_bool(b): if b: return "yes" else: return ""
[docs]class PageListGrid(grids.Grid): # Custom column.
[docs] class URLColumn(grids.PublicURLColumn):
[docs] def get_value(self, trans, grid, item): return url_for( controller="page", action="display_by_username_and_slug", username=item.user.username, slug=item.slug )
# Grid definition use_panels = True title = "Pages" model_class = model.Page default_filter = {"published": "All", "tags": "All", "title": "All", "sharing": "All"} default_sort_key = "-update_time" columns = [ grids.TextColumn( "Title", key="title", attach_popup=True, filterable="advanced", link=( lambda item: dict(action="display_by_username_and_slug", username=item.user.username, slug=item.slug) ), ), URLColumn("Permalink"), grids.OwnerAnnotationColumn( "Annotation", key="annotation", model_annotation_association_class=model.PageAnnotationAssociation, filterable="advanced", ), grids.IndividualTagsColumn( "Tags", key="tags", model_tag_association_class=model.PageTagAssociation, filterable="advanced", grid_name="PageListGrid", ), grids.SharingStatusColumn("Sharing", key="sharing", filterable="advanced", sortable=False), grids.GridColumn("Created", key="create_time", format=time_ago), grids.GridColumn("Last Updated", key="update_time", format=time_ago), ] columns.append( grids.MulticolFilterColumn( "Search", cols_to_filter=[columns[0], columns[2]], key="free-text-search", visible=False, filterable="standard", ) ) global_actions = [grids.GridAction("Add new page", dict(controller="", action="pages/create"))] operations = [ grids.DisplayByUsernameAndSlugGridOperation("View", allow_multiple=False), grids.GridOperation("Edit content", allow_multiple=False, url_args=dict(controller="", action="pages/editor")), grids.GridOperation("Edit attributes", allow_multiple=False, url_args=dict(controller="", action="pages/edit")), grids.GridOperation( "Share or Publish", allow_multiple=False, condition=(lambda item: not item.deleted), url_args=dict(controller="", action="pages/sharing"), ), grids.GridOperation("Delete", confirm="Are you sure you want to delete this page?"), ]
[docs] def apply_query_filter(self, trans, query, **kwargs): return query.filter_by(user=trans.user, deleted=False)
[docs]class PageAllPublishedGrid(grids.Grid): # Grid definition use_panels = True title = "Published Pages" model_class = model.Page default_sort_key = "update_time" default_filter = dict(title="All", username="All") columns = [ grids.PublicURLColumn("Title", key="title", filterable="advanced"), grids.OwnerAnnotationColumn( "Annotation", key="annotation", model_annotation_association_class=model.PageAnnotationAssociation, filterable="advanced", ), grids.OwnerColumn("Owner", key="username", model_class=model.User, filterable="advanced"), grids.CommunityRatingColumn("Community Rating", key="rating"), grids.CommunityTagsColumn( "Community Tags", key="tags", model_tag_association_class=model.PageTagAssociation, filterable="advanced", grid_name="PageAllPublishedGrid", ), grids.ReverseSortColumn("Last Updated", key="update_time", format=time_ago), ] columns.append( grids.MulticolFilterColumn( "Search title, annotation, owner, and tags", cols_to_filter=[columns[0], columns[1], columns[2], columns[4]], key="free-text-search", visible=False, filterable="standard", ) )
[docs] def build_initial_query(self, trans, **kwargs): # See optimization description comments and TODO for tags in matching public histories query. return ( trans.sa_session.query(self.model_class) .join("user") .filter(model.User.deleted == false()) .options( joinedload(self.model_class.user).load_only("username"), joinedload(self.model_class.annotations), undefer("average_rating"), ) )
[docs] def apply_query_filter(self, trans, query, **kwargs): return query.filter(self.model_class.deleted == false()).filter(self.model_class.published == true())
[docs]class ItemSelectionGrid(grids.Grid): """Base class for pages' item selection grids.""" # Custom columns.
[docs] class NameColumn(grids.TextColumn):
[docs] def get_value(self, trans, grid, item): if hasattr(item, "get_display_name"): return escape(item.get_display_name()) else: return escape(item.name)
# Grid definition. show_item_checkboxes = True default_filter = {"deleted": "False", "sharing": "All"} default_sort_key = "-update_time" use_paging = True num_rows_per_page = 10
[docs] def apply_query_filter(self, trans, query, **kwargs): return query.filter_by(user=trans.user)
[docs]class HistorySelectionGrid(ItemSelectionGrid): """Grid for selecting histories.""" # Grid definition. title = "Saved Histories" model_class = model.History columns = [ ItemSelectionGrid.NameColumn("Name", key="name", filterable="advanced"), grids.IndividualTagsColumn( "Tags", key="tags", model_tag_association_class=model.HistoryTagAssociation, filterable="advanced" ), grids.GridColumn("Last Updated", key="update_time", format=time_ago), # Columns that are valid for filtering but are not visible. grids.DeletedColumn("Deleted", key="deleted", visible=False, filterable="advanced"), grids.SharingStatusColumn("Sharing", key="sharing", filterable="advanced", sortable=False, visible=False), ] columns.append( grids.MulticolFilterColumn( "Search", cols_to_filter=[columns[0], columns[1]], key="free-text-search", visible=False, filterable="standard", ) )
[docs] def apply_query_filter(self, trans, query, **kwargs): return query.filter_by(user=trans.user, purged=False)
[docs]class HistoryDatasetAssociationSelectionGrid(ItemSelectionGrid): """Grid for selecting HDAs.""" # Grid definition. title = "Saved Datasets" model_class = model.HistoryDatasetAssociation columns = [ ItemSelectionGrid.NameColumn("Name", key="name", filterable="advanced"), grids.IndividualTagsColumn( "Tags", key="tags", model_tag_association_class=model.HistoryDatasetAssociationTagAssociation, filterable="advanced", ), grids.GridColumn("Last Updated", key="update_time", format=time_ago), # Columns that are valid for filtering but are not visible. grids.DeletedColumn("Deleted", key="deleted", visible=False, filterable="advanced"), grids.SharingStatusColumn("Sharing", key="sharing", filterable="advanced", sortable=False, visible=False), ] columns.append( grids.MulticolFilterColumn( "Search", cols_to_filter=[columns[0], columns[1]], key="free-text-search", visible=False, filterable="standard", ) )
[docs] def apply_query_filter(self, trans, query, **kwargs): # To filter HDAs by user, need to join HDA and History table and then filter histories by user. This is necessary because HDAs do not have # a user relation. return query.select_from(model.HistoryDatasetAssociation.table.join(model.History.table)).filter( model.History.user == trans.user )
[docs]class WorkflowSelectionGrid(ItemSelectionGrid): """Grid for selecting workflows.""" # Grid definition. title = "Saved Workflows" model_class = model.StoredWorkflow columns = [ ItemSelectionGrid.NameColumn("Name", key="name", filterable="advanced"), grids.IndividualTagsColumn( "Tags", key="tags", model_tag_association_class=model.StoredWorkflowTagAssociation, filterable="advanced" ), grids.GridColumn("Last Updated", key="update_time", format=time_ago), # Columns that are valid for filtering but are not visible. grids.DeletedColumn("Deleted", key="deleted", visible=False, filterable="advanced"), grids.SharingStatusColumn("Sharing", key="sharing", filterable="advanced", sortable=False, visible=False), ] columns.append( grids.MulticolFilterColumn( "Search", cols_to_filter=[columns[0], columns[1]], key="free-text-search", visible=False, filterable="standard", ) )
[docs]class PageSelectionGrid(ItemSelectionGrid): """Grid for selecting pages.""" # Grid definition. title = "Saved Pages" model_class = model.Page columns = [ grids.TextColumn("Title", key="title", filterable="advanced"), grids.IndividualTagsColumn( "Tags", key="tags", model_tag_association_class=model.PageTagAssociation, filterable="advanced" ), grids.GridColumn("Last Updated", key="update_time", format=time_ago), # Columns that are valid for filtering but are not visible. grids.DeletedColumn("Deleted", key="deleted", visible=False, filterable="advanced"), grids.SharingStatusColumn("Sharing", key="sharing", filterable="advanced", sortable=False, visible=False), ] columns.append( grids.MulticolFilterColumn( "Search", cols_to_filter=[columns[0], columns[1]], key="free-text-search", visible=False, filterable="standard", ) )
[docs]class VisualizationSelectionGrid(ItemSelectionGrid): """Grid for selecting visualizations.""" # Grid definition. title = "Saved Visualizations" model_class = model.Visualization columns = [ grids.TextColumn("Title", key="title", filterable="advanced"), grids.TextColumn("Type", key="type"), grids.IndividualTagsColumn( "Tags", key="tags", model_tag_association_class=model.VisualizationTagAssociation, filterable="advanced", grid_name="VisualizationListGrid", ), grids.SharingStatusColumn("Sharing", key="sharing", filterable="advanced", sortable=False), grids.GridColumn("Last Updated", key="update_time", format=time_ago), ] columns.append( grids.MulticolFilterColumn( "Search", cols_to_filter=[columns[0], columns[2]], key="free-text-search", visible=False, filterable="standard", ) )
# Adapted from the _BaseHTMLProcessor class of https://github.com/kurtmckee/feedparser
[docs]class PageController(BaseUIController, SharableMixin, UsesStoredWorkflowMixin, UsesVisualizationMixin, UsesItemRatings): _page_list = PageListGrid() _all_published_list = PageAllPublishedGrid() _history_selection_grid = HistorySelectionGrid() _workflow_selection_grid = WorkflowSelectionGrid() _datasets_selection_grid = HistoryDatasetAssociationSelectionGrid() _page_selection_grid = PageSelectionGrid() _visualization_selection_grid = VisualizationSelectionGrid() page_manager: PageManager = depends(PageManager) history_manager: HistoryManager = depends(HistoryManager) history_serializer: HistorySerializer = depends(HistorySerializer) hda_manager: HDAManager = depends(HDAManager) workflow_manager: WorkflowsManager = depends(WorkflowsManager) slug_builder: SlugBuilder = depends(SlugBuilder)
[docs] def __init__(self, app: StructuredApp): super().__init__(app)
[docs] @web.expose @web.json @web.require_login() def list(self, trans, *args, **kwargs): """List user's pages.""" # Handle operation if "operation" in kwargs and "id" in kwargs: session = trans.sa_session operation = kwargs["operation"].lower() ids = util.listify(kwargs["id"]) for id in ids: if operation == "delete": item = session.query(model.Page).get(self.decode_id(id)) self.security_check(trans, item, check_ownership=True) item.deleted = True session.flush() # Build grid dictionary. grid = self._page_list(trans, *args, **kwargs) grid["shared_by_others"] = self._get_shared(trans) return grid
[docs] @web.expose @web.json def list_published(self, trans, *args, **kwargs): grid = self._all_published_list(trans, *args, **kwargs) grid["shared_by_others"] = self._get_shared(trans) return grid
def _get_shared(self, trans): """Identify shared pages""" shared_by_others = ( trans.sa_session.query(model.PageUserShareAssociation) .filter_by(user=trans.get_user()) .join(model.Page.table) .filter(model.Page.deleted == false()) .order_by(desc(model.Page.update_time)) .all() ) return [ {"username": p.page.user.username, "slug": p.page.slug, "title": p.page.title} for p in shared_by_others ]
[docs] @web.expose_api @web.require_login("create pages") def create(self, trans, payload=None, **kwd): """ Create a new page. """ if trans.request.method == "GET": form_title = "Create new Page" title = "" slug = "" content = "" content_hide = True if "invocation_id" in kwd: invocation_id = kwd.get("invocation_id") form_title = f"{form_title} from Invocation Report" slug = f"invocation-report-{invocation_id}" invocation_report = self.workflow_manager.get_invocation_report( trans, trans.security.decode_id(invocation_id) ) title = invocation_report.get("title") content = invocation_report.get("markdown") content_hide = False return { "title": form_title, "inputs": [ { "name": "title", "label": "Name", "value": title, }, { "name": "slug", "label": "Identifier", "help": "A unique identifier that will be used for public links to this page. This field can only contain lowercase letters, numbers, and dashes (-).", "value": slug, }, { "name": "annotation", "label": "Annotation", "help": "A description of the page. The annotation is shown alongside published pages.", }, { "name": "content_format", "label": "Content Format", "type": "hidden", "value": "markdown", }, { "name": "content", "label": "Content", "area": True, "value": content, "hidden": content_hide, }, ], } else: page = self.page_manager.create_page(trans, CreatePagePayload(**payload)) return {"message": "Page '%s' successfully created." % page.title, "status": "success"}
[docs] @web.legacy_expose_api @web.require_login("edit pages") def edit(self, trans, payload=None, **kwd): """ Edit a page's attributes. """ id = kwd.get("id") if not id: return self.message_exception(trans, "No page id received for editing.") decoded_id = self.decode_id(id) user = trans.get_user() p = trans.sa_session.query(model.Page).get(decoded_id) p = self.security_check(trans, p, check_ownership=True) if trans.request.method == "GET": if p.slug is None: self.slug_builder.create_item_slug(trans.sa_session, p) return { "title": "Edit page attributes", "inputs": [ {"name": "title", "label": "Name", "value": p.title}, { "name": "slug", "label": "Identifier", "value": p.slug, "help": "A unique identifier that will be used for public links to this page. This field can only contain lowercase letters, numbers, and dashes (-).", }, { "name": "annotation", "label": "Annotation", "value": self.get_item_annotation_str(trans.sa_session, user, p), "help": "A description of the page. The annotation is shown alongside published pages.", }, ], } else: p_title = payload.get("title") p_slug = payload.get("slug") p_annotation = payload.get("annotation") if not p_title: return self.message_exception(trans, "Please provide a page name is required.") elif not p_slug: return self.message_exception(trans, "Please provide a unique identifier.") elif not self._is_valid_slug(p_slug): return self.message_exception( trans, "Page identifier can only contain lowercase letters, numbers, and dashes (-)." ) elif ( p_slug != p.slug and trans.sa_session.query(model.Page).filter_by(user=p.user, slug=p_slug, deleted=False).first() ): return self.message_exception(trans, "Page id must be unique.") else: p.title = p_title p.slug = p_slug if p_annotation: p_annotation = sanitize_html(p_annotation) self.add_item_annotation(trans.sa_session, user, p, p_annotation) trans.sa_session.add(p) trans.sa_session.flush() return {"message": "Attributes of '%s' successfully saved." % p.title, "status": "success"}
[docs] @web.expose @web.require_login() def display(self, trans, id): id = self.decode_id(id) page = trans.sa_session.query(model.Page).get(id) if not page: raise web.httpexceptions.HTTPNotFound() return self.display_by_username_and_slug(trans, page.user.username, page.slug)
[docs] @web.expose def display_by_username_and_slug(self, trans, username, slug, **kwargs): """Display page based on a username and slug.""" # Get page. session = trans.sa_session user = session.query(model.User).filter_by(username=username).first() page = trans.sa_session.query(model.Page).filter_by(user=user, slug=slug, deleted=False).first() if page is None: raise web.httpexceptions.HTTPNotFound() # Security check raises error if user cannot access page. self.security_check(trans, page, False, True) # Encode page identifier. page_id = trans.security.encode_id(page.id) # Redirect to client. return trans.response.send_redirect( web.url_for( controller="published", action="page", id=page_id, ) )
[docs] @web.expose @web.require_login("use Galaxy pages") def set_accessible_async(self, trans, id=None, accessible=False): """Set page's importable attribute and slug.""" page = self.get_page(trans, id) # Only set if importable value would change; this prevents a change in the update_time unless attribute really changed. importable = accessible in ["True", "true", "t", "T"] if page.importable != importable: if importable: self._make_item_accessible(trans.sa_session, page) else: page.importable = importable trans.sa_session.flush() return
[docs] @web.expose def get_embed_html_async(self, trans, id): """Returns HTML for embedding a workflow in a page.""" # TODO: user should be able to embed any item he has access to. see display_by_username_and_slug for security code. page = self.get_page(trans, id) if page: return f"Embedded Page '{page.title}'"
[docs] @web.expose @web.json @web.require_login("select a history from saved histories") def list_histories_for_selection(self, trans, **kwargs): """Returns HTML that enables a user to select one or more histories.""" return self._history_selection_grid(trans, **kwargs)
[docs] @web.expose @web.json @web.require_login("select a workflow from saved workflows") def list_workflows_for_selection(self, trans, **kwargs): """Returns HTML that enables a user to select one or more workflows.""" return self._workflow_selection_grid(trans, **kwargs)
[docs] @web.expose @web.json @web.require_login("select a visualization from saved visualizations") def list_visualizations_for_selection(self, trans, **kwargs): """Returns HTML that enables a user to select one or more visualizations.""" return self._visualization_selection_grid(trans, **kwargs)
[docs] @web.expose @web.json @web.require_login("select a page from saved pages") def list_pages_for_selection(self, trans, **kwargs): """Returns HTML that enables a user to select one or more pages.""" return self._page_selection_grid(trans, **kwargs)
[docs] @web.expose @web.json @web.require_login("select a dataset from saved datasets") def list_datasets_for_selection(self, trans, **kwargs): """Returns HTML that enables a user to select one or more datasets.""" return self._datasets_selection_grid(trans, **kwargs)
[docs] def get_page(self, trans, id, check_ownership=True, check_accessible=False): """Get a page from the database by id.""" # Load history from database id = self.decode_id(id) page = trans.sa_session.query(model.Page).get(id) if not page: error("Page not found") else: return self.security_check(trans, page, check_ownership, check_accessible)
[docs] def get_item(self, trans, id): return self.get_page(trans, id)