import json import os import re from datetime import timedelta from pathlib import Path from threading import Thread import dotenv from nostr_sdk import Client, Timestamp, PublicKey, Tag, Keys, Options, Alphabet, SecretKey from interfaces.dvmtaskinterface import DVMTaskInterface from tasks.convert_media import MediaConverter from utils.admin_utils import AdminConfig from utils.backend_utils import keep_alive from utils.definitions import EventDefinitions from utils.dvmconfig import DVMConfig from utils.nip89_utils import NIP89Config, check_and_set_d_tag from utils.nostr_utils import get_event_by_id, check_and_set_private_key from utils.output_utils import post_process_list_to_users, post_process_list_to_events """ This File contains a Module to search for notes Accepted Inputs: a search query Outputs: A list of events Params: None """ class AdvancedSearch(DVMTaskInterface): KIND: int = EventDefinitions.KIND_NIP90_CONTENT_SEARCH TASK: str = "search-content" FIX_COST: float = 0 dvm_config: DVMConfig def __init__(self, name, dvm_config: DVMConfig, nip89config: NIP89Config, admin_config: AdminConfig = None, options=None): super().__init__(name, dvm_config, nip89config, admin_config, options) def is_input_supported(self, tags): for tag in tags: if tag.as_vec()[0] == 'i': input_value = tag.as_vec()[1] input_type = tag.as_vec()[2] if input_type != "text": return False def create_request_from_nostr_event(self, event, client=None, dvm_config=None): self.dvm_config = dvm_config print(self.dvm_config.PRIVATE_KEY) request_form = {"jobID": event.id().to_hex()} # default values user = "" since_days = 1 #days ago until_days = 0 #days ago search = "" max_results = 20 for tag in event.tags(): if tag.as_vec()[0] == 'i': input_type = tag.as_vec()[2] if input_type == "text": search = tag.as_vec()[1] elif tag.as_vec()[0] == 'param': param = tag.as_vec()[1] if param == "user": # check for param type user = tag.as_vec()[2] if param == "since": # check for param type since_days = int(tag.as_vec()[2]) elif param == "until": # check for param type until_days = int(tag.as_vec()[2]) elif param == "max_results": # check for param type max_results = int(tag.as_vec()[2]) options = { "search": search, "user": user, "since": since_days, "until": until_days, "max_results": max_results } request_form['options'] = json.dumps(options) return request_form def process(self, request_form): from nostr_sdk import Filter options = DVMTaskInterface.set_options(request_form) opts = (Options().wait_for_send(False).send_timeout(timedelta(seconds=self.dvm_config.RELAY_TIMEOUT))) sk = SecretKey.from_hex(self.dvm_config.PRIVATE_KEY) keys = Keys.from_sk_str(sk.to_hex()) cli = Client.with_opts(keys, opts) cli.add_relay("wss://relay.nostr.band") cli.connect() search_since_seconds = int(options["since"]) * 24 * 60 * 60 dif = Timestamp.now().as_secs() - search_since_seconds search_since = Timestamp.from_secs(dif) search_until_seconds = int(options["until"]) * 24 * 60 * 60 dif = Timestamp.now().as_secs() - search_until_seconds search_until = Timestamp.from_secs(dif) if options["user"] == "": notes_filter = Filter().kind(1).search(options["search"]).since(search_since).until(search_until) elif options["search"] == "": notes_filter = Filter().kind(1).author(PublicKey.from_hex(options["user"])).since(search_since).until(search_until) else: notes_filter = Filter().kind(1).author(PublicKey.from_hex(options["user"])).search(options["search"]).since(search_since).until(search_until) events = cli.get_events_of([notes_filter], timedelta(seconds=5)) result_list = [] if len(events) > 0: i = 0 for event in events: if i < int(options["max_results"]): i = i+1 e_tag = Tag.parse(["e", event.id().to_hex()]) print(e_tag.as_vec()) result_list.append(e_tag.as_vec()) return json.dumps(result_list) def post_process(self, result, event): """Overwrite the interface function to return a social client readable format, if requested""" for tag in event.tags(): if tag.as_vec()[0] == 'output': format = tag.as_vec()[1] if format == "text/plain": # check for output type result = post_process_list_to_events(result) # if not text/plain, don't post-process return result # We build an example here that we can call by either calling this file directly from the main directory, # or by adding it to our playground. You can call the example and adjust it to your needs or redefine it in the # playground or elsewhere def build_example(name, identifier, admin_config): dvm_config = DVMConfig() dvm_config.PRIVATE_KEY = check_and_set_private_key(identifier) dvm_config.LNBITS_INVOICE_KEY = os.getenv("LNBITS_INVOICE_KEY") dvm_config.LNBITS_URL = os.getenv("LNBITS_HOST") # Add NIP89 nip90params = { "user": { "required": False, "values": [], "description": "Do the task for another user" }, "since": { "required": False, "values": [], "description": "The number of days in the past from now the search should include" }, "until": { "required": False, "values": [], "description": "The number of days in the past from now the search should include up to" }, "max_results": { "required": False, "values": [], "description": "The number of maximum results to return (default currently 20)" } } nip89info = { "name": name, "image": "https://image.nostr.build/c33ca6fc4cc038ca4adb46fdfdfda34951656f87ee364ef59095bae1495ce669.jpg", "about": "I search notes", "encryptionSupported": True, "cashuAccepted": True, "nip90Params": nip90params } nip89config = NIP89Config() nip89config.DTAG = check_and_set_d_tag(identifier, name, dvm_config.PRIVATE_KEY, nip89info["image"]) nip89config.CONTENT = json.dumps(nip89info) return AdvancedSearch(name=name, dvm_config=dvm_config, nip89config=nip89config, admin_config=admin_config) if __name__ == '__main__': env_path = Path('.env') if env_path.is_file(): print(f'loading environment from {env_path.resolve()}') dotenv.load_dotenv(env_path, verbose=True, override=True) else: raise FileNotFoundError(f'.env file not found at {env_path} ') admin_config = AdminConfig() admin_config.REBROADCAST_NIP89 = False admin_config.UPDATE_PROFILE = False admin_config.LUD16 = "" dvm = build_example("Advanced Nostr Search", "discovery_content_search", admin_config) dvm.run() keep_alive()