from collections import defaultdict from typing import Any, Dict, List from ..users.projector import get_user_name from ..utils.projector import ( AllData, ProjectorElementException, get_config, register_projector_slide, ) # Important: All functions have to be prune. This means, that thay can only # access the data, that they get as argument and do not have any # side effects. They are called from an async context. So they have # to be fast! def get_flat_tree(all_data: AllData, parent_id: int = 0) -> List[Dict[str, Any]]: """ Build the item tree from all_data. Only build the tree from elements unterneath parent_id. Returns a list of two element tuples where the first element is the item title and the second a List with children as two element tuples. """ # Build a dict from an item_id to all its children children: Dict[int, List[int]] = defaultdict(list) for item in sorted( all_data["agenda/item"].values(), key=lambda item: item["weight"] ): if item["type"] == 1: # only normal items children[item["parent_id"] or 0].append(item["id"]) tree = [] def get_children(item_ids: List[int], depth: int) -> None: for item_id in item_ids: tree.append( { "item_number": all_data["agenda/item"][item_id]["item_number"], "title_information": all_data["agenda/item"][item_id][ "title_information" ], "collection": all_data["agenda/item"][item_id]["content_object"][ "collection" ], "depth": depth, } ) get_children(children[item_id], depth + 1) get_children(children[parent_id], 0) return tree def item_list_slide( all_data: AllData, element: Dict[str, Any], projector_id: int ) -> Dict[str, Any]: """ Item list slide. Returns all root items or all children of an item. """ only_main_items = element.get("only_main_items", True) if only_main_items: agenda_items = [] for item in sorted( all_data["agenda/item"].values(), key=lambda item: item["weight"] ): if item["parent_id"] is None and item["type"] == 1: agenda_items.append( { "item_number": item["item_number"], "title_information": item["title_information"], "collection": item["content_object"]["collection"], } ) else: agenda_items = get_flat_tree(all_data) return {"items": agenda_items} def list_of_speakers_slide( all_data: AllData, element: Dict[str, Any], projector_id: int ) -> Dict[str, Any]: """ List of speakers slide. Returns all usernames, that are on the list of speaker of a slide. """ item_id = element.get("id") if item_id is None: raise ProjectorElementException("id is required for list of speakers slide") return get_list_of_speakers_slide_data(all_data, item_id) def get_list_of_speakers_slide_data(all_data: AllData, item_id: int) -> Dict[str, Any]: try: item = all_data["agenda/item"][item_id] except KeyError: raise ProjectorElementException(f"Item {item_id} does not exist") # Partition speaker objects to waiting, current and finished speakers_waiting = [] speakers_finished = [] current_speaker = None for speaker in item["speakers"]: user = get_user_name(all_data, speaker["user_id"]) formatted_speaker = { "user": user, "marked": speaker["marked"], "weight": speaker["weight"], "end_time": speaker["end_time"], } if speaker["begin_time"] is None and speaker["end_time"] is None: speakers_waiting.append(formatted_speaker) elif speaker["begin_time"] is not None and speaker["end_time"] is None: current_speaker = formatted_speaker else: speakers_finished.append(formatted_speaker) # sort speakers speakers_waiting = sorted(speakers_waiting, key=lambda s: s["weight"]) speakers_finished = sorted(speakers_finished, key=lambda s: s["end_time"]) number_of_last_speakers = get_config(all_data, "agenda_show_last_speakers") if number_of_last_speakers == 0: speakers_finished = [] else: speakers_finished = speakers_finished[ -number_of_last_speakers: ] # Take the last speakers return { "waiting": speakers_waiting, "current": current_speaker, "finished": speakers_finished, "content_object_collection": item["content_object"]["collection"], "title_information": item["title_information"], "item_number": item["item_number"], } def current_list_of_speakers_slide( all_data: AllData, element: Dict[str, Any], projector_id: int ) -> Dict[str, Any]: """ The current list of speakers slide. Creates the data for the given projector. """ try: this_projector = all_data["core/projector"][projector_id] except KeyError: raise ProjectorElementException(f"Projector {projector_id} does not exist") reference_projector_id = this_projector["reference_projector_id"] or projector_id try: reference_projector = all_data["core/projector"][reference_projector_id] except KeyError: raise ProjectorElementException( f"Projector {reference_projector_id} does not exist" ) # Search for elements, that do have an agenda item: # Try to get a model by the collection and id in the element. This # model needs to have a 'agenda_item_id'. This item must exist. The first # matching element is taken. elements = reference_projector["elements"] item_id = None for element in elements: if "id" not in element: continue collection = element["name"] id = element["id"] if collection not in all_data or id not in all_data[collection]: continue model = all_data[collection][id] if "agenda_item_id" not in model: continue if not model["agenda_item_id"] in all_data["agenda/item"]: continue item_id = model["agenda_item_id"] break if item_id is None: # no element found return {} return get_list_of_speakers_slide_data(all_data, item_id) def register_projector_slides() -> None: register_projector_slide("agenda/item-list", item_list_slide) register_projector_slide("agenda/list-of-speakers", list_of_speakers_slide) register_projector_slide( "agenda/current-list-of-speakers", current_list_of_speakers_slide ) register_projector_slide( "agenda/current-list-of-speakers-overlay", current_list_of_speakers_slide )