streams.py

#
# Copyright (c) 2022 Airbyte, Inc., all rights reserved.
#

import time
from abc import ABC, abstractmethod
from typing import Any, Iterable, List, Mapping, MutableMapping, Optional, Union
from urllib import parse

import pendulum
import requests
from airbyte_cdk.models import SyncMode
from airbyte_cdk.sources.streams.http import HttpStream
from requests.exceptions import HTTPError

from .graphql import CursorStorage, QueryReactions, get_query_pull_requests, get_query_reviews
from .utils import getter

DEFAULT_PAGE_SIZE = 100


class GithubStream(HttpStream, ABC):
    url_base = "https://api.github.com/"

    primary_key = "id"

    # Detect streams with high API load
    large_stream = False

    stream_base_params = {}

    def __init__(self, repositories: List[str], page_size_for_large_streams: int, **kwargs):
        super().__init__(**kwargs)
        self.repositories = repositories

        # GitHub pagination could be from 1 to 100.
        self.page_size = page_size_for_large_streams if self.large_stream else DEFAULT_PAGE_SIZE

        MAX_RETRIES = 3
        adapter = requests.adapters.HTTPAdapter(max_retries=MAX_RETRIES)
        self._session.mount("https://", adapter)
        self._session.mount("http://", adapter)

    def path(self, stream_slice: Mapping[str, Any] = None, **kwargs) -> str:
        return f"repos/{stream_slice['repository']}/{self.name}"

    def stream_slices(self, **kwargs) -> Iterable[Optional[Mapping[str, Any]]]:
        for repository in self.repositories:
            yield {"repository": repository}

    def next_page_token(self, response: requests.Response) -> Optional[Mapping[str, Any]]:
        links = response.links
        if "next" in links:
            next_link = links["next"]["url"]
            parsed_link = parse.urlparse(next_link)
            page = dict(parse.parse_qsl(parsed_link.query)).get("page")
            return {"page": page}

    def check_graphql_rate_limited(self, response_json) -> bool:
        errors = response_json.get("errors")
        if errors:
            for error in errors:
                if error.get("type") == "RATE_LIMITED":
                    return True
        return False

    def should_retry(self, response: requests.Response) -> bool:
        # We don't call `super()` here because we have custom error handling and GitHub API sometimes returns strange
        # errors. So in `read_records()` we have custom error handling which don't require to call `super()` here.
        retry_flag = (
            # The GitHub GraphQL API has limitations
            # https://docs.github.com/en/graphql/overview/resource-limitations
            (response.headers.get("X-RateLimit-Resource") == "graphql" and self.check_graphql_rate_limited(response.json()))
            # Rate limit HTTP headers
            # https://docs.github.com/en/rest/overview/resources-in-the-rest-api#rate-limit-http-headers
            or response.headers.get("X-RateLimit-Remaining") == "0"
            # Secondary rate limits
            # https://docs.github.com/en/rest/overview/resources-in-the-rest-api#secondary-rate-limits
            or response.headers.get("Retry-After")
            or response.status_code
            in (
                requests.codes.SERVER_ERROR,
                requests.codes.BAD_GATEWAY,
            )
        )
        if retry_flag:
            self.logger.info(
                f"Rate limit handling for stream `{self.name}` for the response with {response.status_code} status code with message: {response.text}"
            )

        return retry_flag

    def backoff_time(self, response: requests.Response) -> Union[int, float]:
        # This method is called if we run into the rate limit. GitHub limits requests to 5000 per hour and provides
        # `X-RateLimit-Reset` header which contains time when this hour will be finished and limits will be reset so
        # we again could have 5000 per another hour.

        if response.status_code == requests.codes.SERVER_ERROR:
            return None

        retry_after = int(response.headers.get("Retry-After", 0))
        if retry_after:
            return retry_after

        reset_time = response.headers.get("X-RateLimit-Reset")
        backoff_time = float(reset_time) - time.time() if reset_time else 60

        return max(backoff_time, 60)  # This is a guarantee that no negative value will be returned.

    def read_records(self, stream_slice: Mapping[str, Any] = None, **kwargs) -> Iterable[Mapping[str, Any]]:
        # get out the stream_slice parts for later use.
        organisation = stream_slice.get("organization", "")
        repository = stream_slice.get("repository", "")
        # Reading records while handling the errors
        try:
            yield from super().read_records(stream_slice=stream_slice, **kwargs)
        except HTTPError as e:
            error_msg = str(e.response.json().get("message"))
            # This whole try/except situation in `read_records()` isn't good but right now in `self._send_request()`
            # function we have `response.raise_for_status()` so we don't have much choice on how to handle errors.
            # Bocked on https://github.com/airbytehq/airbyte/issues/3514.
            if e.response.status_code == requests.codes.NOT_FOUND:
                # A lot of streams are not available for repositories owned by a user instead of an organization.
                if isinstance(self, Organizations):
                    error_msg = (
                        f"Syncing `{self.__class__.__name__}` stream isn't available for organization `{stream_slice['organization']}`."
                    )
                else:
                    error_msg = f"Syncing `{self.__class__.__name__}` stream isn't available for repository `{stream_slice['repository']}`."
            elif e.response.status_code == requests.codes.FORBIDDEN:
                # When using the `check_connection` method, we should raise an error if we do not have access to the repository.
                if isinstance(self, Repositories):
                    raise e
                # When `403` for the stream, that has no access to the organization's teams, based on OAuth Apps Restrictions:
                # https://docs.github.com/en/organizations/restricting-access-to-your-organizations-data/enabling-oauth-app-access-restrictions-for-your-organization
                # For all `Organisation` based streams
                elif isinstance(self, Organizations) or isinstance(self, Teams) or isinstance(self, Users):
                    error_msg = (
                        f"Syncing `{self.name}` stream isn't available for organization `{organisation}`. Full error message: {error_msg}"
                    )
                # For all other `Repository` base streams
                else:
                    error_msg = (
                        f"Syncing `{self.name}` stream isn't available for repository `{repository}`. Full error message: {error_msg}"
                    )
            elif e.response.status_code == requests.codes.GONE and isinstance(self, Projects):
                # Some repos don't have projects enabled and we we get "410 Client Error: Gone for
                # url: https://api.github.com/repos/xyz/projects?per_page=100" error.
                error_msg = f"Syncing `Projects` stream isn't available for repository `{stream_slice['repository']}`."
            elif e.response.status_code == requests.codes.CONFLICT:
                error_msg = (
                    f"Syncing `{self.name}` stream isn't available for repository "
                    f"`{stream_slice['repository']}`, it seems like this repository is empty."
                )
            else:
                self.logger.error(f"Undefined error while reading records: {error_msg}")
                raise e

            self.logger.warn(error_msg)

    def request_params(
        self, stream_state: Mapping[str, Any], stream_slice: Mapping[str, Any] = None, next_page_token: Mapping[str, Any] = None
    ) -> MutableMapping[str, Any]:

        params = {"per_page": self.page_size}

        if next_page_token:
            params.update(next_page_token)

        params.update(self.stream_base_params)

        return params

    def request_headers(self, **kwargs) -> Mapping[str, Any]:
        # Without sending `User-Agent` header we will be getting `403 Client Error: Forbidden for url` error.
        return {
            "User-Agent": "PostmanRuntime/7.28.0",
        }

    def parse_response(
        self,
        response: requests.Response,
        stream_state: Mapping[str, Any],
        stream_slice: Mapping[str, Any] = None,
        next_page_token: Mapping[str, Any] = None,
    ) -> Iterable[Mapping]:
        for record in response.json():  # GitHub puts records in an array.
            yield self.transform(record=record, stream_slice=stream_slice)

    def transform(self, record: MutableMapping[str, Any], stream_slice: Mapping[str, Any]) -> MutableMapping[str, Any]:
        record["repository"] = stream_slice["repository"]
        return record


class SemiIncrementalMixin:
    """
    Semi incremental streams are also incremental but with one difference, they:
      - read all records;
      - output only new records.
    This means that semi incremental streams read all records (like full_refresh streams) but do filtering directly
    in the code and output only latest records (like incremental streams).
    """

    cursor_field = "updated_at"

    # This flag is used to indicate that current stream supports `sort` and `direction` request parameters and that
    # we should break processing records if possible. If `sort` is set to `updated` and `direction` is set to `desc`
    # this means that latest records will be at the beginning of the response and after we processed those latest
    # records we can just stop and not process other record. This will increase speed of each incremental stream
    # which supports those 2 request parameters. Currently only `IssueMilestones` and `PullRequests` streams are
    # supporting this.
    is_sorted = False

    def __init__(self, start_date: str = "", **kwargs):
        super().__init__(**kwargs)
        self._start_date = start_date
        self._starting_point_cache = {}

    @property
    def __slice_key(self):
        if hasattr(self, "repositories"):
            return "repository"
        return "organization"

    record_slice_key = __slice_key

    def convert_cursor_value(self, value):
        return value

    @property
    def state_checkpoint_interval(self) -> Optional[int]:
        if self.is_sorted == "asc":
            return self.page_size

    def get_updated_state(self, current_stream_state: MutableMapping[str, Any], latest_record: Mapping[str, Any]):
        """
        Return the latest state by comparing the cursor value in the latest record with the stream's most recent state
        object and returning an updated state object.
        """
        slice_value = getter(latest_record, self.record_slice_key)
        updated_state = self.convert_cursor_value(latest_record[self.cursor_field])
        stream_state_value = current_stream_state.get(slice_value, {}).get(self.cursor_field)
        if stream_state_value:
            updated_state = max(updated_state, stream_state_value)
        current_stream_state.setdefault(slice_value, {})[self.cursor_field] = updated_state
        return current_stream_state

    def _get_starting_point(self, stream_state: Mapping[str, Any], stream_slice: Mapping[str, Any]) -> str:
        if stream_state:
            slice_value = stream_slice[self.__slice_key]
            stream_state_value = stream_state.get(slice_value, {}).get(self.cursor_field)
            if stream_state_value:
                return max(self._start_date, stream_state_value)
        return self._start_date

    def get_starting_point(self, stream_state: Mapping[str, Any], stream_slice: Mapping[str, Any]) -> str:
        slice_value = stream_slice[self.__slice_key]
        if slice_value not in self._starting_point_cache:
            self._starting_point_cache[slice_value] = self._get_starting_point(stream_state, stream_slice)
        return self._starting_point_cache[slice_value]

    def read_records(
        self,
        sync_mode: SyncMode,
        cursor_field: List[str] = None,
        stream_slice: Mapping[str, Any] = None,
        stream_state: Mapping[str, Any] = None,
    ) -> Iterable[Mapping[str, Any]]:
        start_point = self.get_starting_point(stream_state=stream_state, stream_slice=stream_slice)
        for record in super().read_records(
            sync_mode=sync_mode, cursor_field=cursor_field, stream_slice=stream_slice, stream_state=stream_state
        ):
            cursor_value = self.convert_cursor_value(record[self.cursor_field])
            if cursor_value > start_point:
                yield record
            elif self.is_sorted == "desc" and cursor_value < start_point:
                break

    def stream_slices(self, **kwargs) -> Iterable[Optional[Mapping[str, Any]]]:
        self._starting_point_cache.clear()
        yield from super().stream_slices(**kwargs)


class IncrementalMixin(SemiIncrementalMixin):
    def request_params(self, stream_state: Mapping[str, Any], stream_slice: Mapping[str, Any] = None, **kwargs) -> MutableMapping[str, Any]:
        params = super().request_params(stream_state=stream_state, **kwargs)
        since_params = self.get_starting_point(stream_state=stream_state, stream_slice=stream_slice)
        if since_params:
            params["since"] = since_params
        return params


# Below are full refresh streams


class RepositoryStats(GithubStream):
    """
    This stream is technical and not intended for the user, we use it for checking connection with the repository.
    API docs: https://docs.github.com/en/rest/reference/repos#get-a-repository
    """

    def path(self, stream_slice: Mapping[str, Any] = None, **kwargs) -> str:
        return f"repos/{stream_slice['repository']}"

    def parse_response(self, response: requests.Response, stream_slice: Mapping[str, Any] = None, **kwargs) -> Iterable[Mapping]:
        yield response.json()


class Assignees(GithubStream):
    """
    API docs: https://docs.github.com/en/rest/reference/issues#list-assignees
    """


class Branches(GithubStream):
    """
    API docs: https://docs.github.com/en/rest/reference/repos#list-branches
    """

    primary_key = ["repository", "name"]

    def path(self, stream_slice: Mapping[str, Any] = None, **kwargs) -> str:
        return f"repos/{stream_slice['repository']}/branches"


class Collaborators(GithubStream):
    """
    API docs: https://docs.github.com/en/rest/reference/repos#list-repository-collaborators
    """


class IssueLabels(GithubStream):
    """
    API docs: https://docs.github.com/en/rest/issues/labels#list-labels-for-a-repository
    """

    def path(self, stream_slice: Mapping[str, Any] = None, **kwargs) -> str:
        return f"repos/{stream_slice['repository']}/labels"


class Organizations(GithubStream):
    """
    API docs: https://docs.github.com/en/rest/reference/orgs#get-an-organization
    """

    # GitHub pagination could be from 1 to 100.
    page_size = 100

    def __init__(self, organizations: List[str], **kwargs):
        super(GithubStream, self).__init__(**kwargs)
        self.organizations = organizations

    def stream_slices(self, **kwargs) -> Iterable[Optional[Mapping[str, Any]]]:
        for organization in self.organizations:
            yield {"organization": organization}

    def path(self, stream_slice: Mapping[str, Any] = None, **kwargs) -> str:
        return f"orgs/{stream_slice['organization']}"

    def parse_response(self, response: requests.Response, **kwargs) -> Iterable[Mapping]:
        yield response.json()

    def transform(self, record: MutableMapping[str, Any], stream_slice: Mapping[str, Any]) -> MutableMapping[str, Any]:
        record["organization"] = stream_slice["organization"]
        return record


class Repositories(SemiIncrementalMixin, Organizations):
    """
    API docs: https://docs.github.com/en/rest/reference/repos#list-organization-repositories
    """

    is_sorted = "desc"
    stream_base_params = {
        "sort": "updated",
        "direction": "desc",
    }

    def path(self, stream_slice: Mapping[str, Any] = None, **kwargs) -> str:
        return f"orgs/{stream_slice['organization']}/repos"

    def parse_response(self, response: requests.Response, stream_slice: Mapping[str, Any] = None, **kwargs) -> Iterable[Mapping]:
        for record in response.json():  # GitHub puts records in an array.
            yield self.transform(record=record, stream_slice=stream_slice)


class Tags(GithubStream):
    """
    API docs: https://docs.github.com/en/rest/reference/repos#list-repository-tags
    """

    primary_key = ["repository", "name"]

    def path(self, stream_slice: Mapping[str, Any] = None, **kwargs) -> str:
        return f"repos/{stream_slice['repository']}/tags"


class Teams(Organizations):
    """
    API docs: https://docs.github.com/en/rest/reference/teams#list-teams
    """

    use_cache = True

    def path(self, stream_slice: Mapping[str, Any] = None, **kwargs) -> str:
        return f"orgs/{stream_slice['organization']}/teams"

    def parse_response(self, response: requests.Response, stream_slice: Mapping[str, Any] = None, **kwargs) -> Iterable[Mapping]:
        for record in response.json():
            yield self.transform(record=record, stream_slice=stream_slice)


class Users(Organizations):
    """
    API docs: https://docs.github.com/en/rest/reference/orgs#list-organization-members
    """

    def path(self, stream_slice: Mapping[str, Any] = None, **kwargs) -> str:
        return f"orgs/{stream_slice['organization']}/members"

    def parse_response(self, response: requests.Response, stream_slice: Mapping[str, Any] = None, **kwargs) -> Iterable[Mapping]:
        for record in response.json():
            yield self.transform(record=record, stream_slice=stream_slice)


# Below are semi incremental streams


class Releases(SemiIncrementalMixin, GithubStream):
    """
    API docs: https://docs.github.com/en/rest/reference/repos#list-releases
    """

    cursor_field = "created_at"

    def transform(self, record: MutableMapping[str, Any], stream_slice: Mapping[str, Any]) -> MutableMapping[str, Any]:
        record = super().transform(record=record, stream_slice=stream_slice)

        assets = record.get("assets", [])
        for asset in assets:
            uploader = asset.pop("uploader", None)
            asset["uploader_id"] = uploader.get("id") if uploader else None

        return record


class Events(SemiIncrementalMixin, GithubStream):
    """
    API docs: https://docs.github.com/en/rest/reference/activity#list-repository-events
    """

    cursor_field = "created_at"


class PullRequests(SemiIncrementalMixin, GithubStream):
    """
    API docs: https://docs.github.com/en/rest/pulls/pulls#list-pull-requests
    """

    use_cache = True
    large_stream = True

    def __init__(self, **kwargs):
        super().__init__(**kwargs)
        self._first_read = True

    def read_records(self, stream_state: Mapping[str, Any] = None, **kwargs) -> Iterable[Mapping[str, Any]]:
        """
        Decide if this a first read or not by the presence of the state object
        """
        self._first_read = not bool(stream_state)
        yield from super().read_records(stream_state=stream_state, **kwargs)

    def path(self, stream_slice: Mapping[str, Any] = None, **kwargs) -> str:
        return f"repos/{stream_slice['repository']}/pulls"

    def transform(self, record: MutableMapping[str, Any], stream_slice: Mapping[str, Any]) -> MutableMapping[str, Any]:
        record = super().transform(record=record, stream_slice=stream_slice)

        for nested in ("head", "base"):
            entry = record.get(nested, {})
            entry["repo_id"] = (record.get("head", {}).pop("repo", {}) or {}).get("id")

        return record

    def request_params(self, **kwargs) -> MutableMapping[str, Any]:
        base_params = super().request_params(**kwargs)
        # The very first time we read this stream we want to read ascending so we can save state in case of
        # a halfway failure. But if there is state, we read descending to allow incremental behavior.
        params = {"state": "all", "sort": "updated", "direction": self.is_sorted}

        return {**base_params, **params}

    @property
    def is_sorted(self) -> str:
        """
        Depending if there any state we read stream in ascending or descending order.
        """
        if self._first_read:
            return "asc"
        return "desc"


class CommitComments(SemiIncrementalMixin, GithubStream):
    """
    API docs: https://docs.github.com/en/rest/reference/repos#list-commit-comments-for-a-repository
    """

    use_cache = True

    def path(self, stream_slice: Mapping[str, Any] = None, **kwargs) -> str:
        return f"repos/{stream_slice['repository']}/comments"


class IssueMilestones(SemiIncrementalMixin, GithubStream):
    """
    API docs: https://docs.github.com/en/rest/reference/issues#list-milestones
    """

    is_sorted = "desc"
    stream_base_params = {
        "state": "all",
        "sort": "updated",
        "direction": "desc",
    }

    def path(self, stream_slice: Mapping[str, Any] = None, **kwargs) -> str:
        return f"repos/{stream_slice['repository']}/milestones"


class Stargazers(SemiIncrementalMixin, GithubStream):
    """
    API docs: https://docs.github.com/en/rest/reference/activity#list-stargazers
    """

    primary_key = "user_id"
    cursor_field = "starred_at"

    def request_headers(self, **kwargs) -> Mapping[str, Any]:
        base_headers = super().request_headers(**kwargs)
        # We need to send below header if we want to get `starred_at` field. See docs (Alternative response with
        # star creation timestamps) - https://docs.github.com/en/rest/reference/activity#list-stargazers.
        headers = {"Accept": "application/vnd.github.v3.star+json"}

        return {**base_headers, **headers}

    def transform(self, record: MutableMapping[str, Any], stream_slice: Mapping[str, Any]) -> MutableMapping[str, Any]:
        """
        We need to provide the "user_id" for the primary_key attribute
        and don't remove the whole "user" block from the record.
        """
        record = super().transform(record=record, stream_slice=stream_slice)
        record["user_id"] = record.get("user").get("id")
        return record


class Projects(SemiIncrementalMixin, GithubStream):
    """
    API docs: https://docs.github.com/en/rest/reference/projects#list-repository-projects
    """

    use_cache = True
    stream_base_params = {
        "state": "all",
    }

    def request_headers(self, **kwargs) -> Mapping[str, Any]:
        base_headers = super().request_headers(**kwargs)
        # Projects stream requires sending following `Accept` header. If we won't sent it
        # we'll get `415 Client Error: Unsupported Media Type` error.
        headers = {"Accept": "application/vnd.github.inertia-preview+json"}

        return {**base_headers, **headers}


class IssueEvents(SemiIncrementalMixin, GithubStream):
    """
    API docs: https://docs.github.com/en/rest/reference/issues#list-issue-events-for-a-repository
    """

    cursor_field = "created_at"

    def path(self, stream_slice: Mapping[str, Any] = None, **kwargs) -> str:
        return f"repos/{stream_slice['repository']}/issues/events"


# Below are incremental streams


class Comments(IncrementalMixin, GithubStream):
    """
    API docs: https://docs.github.com/en/rest/reference/issues#list-issue-comments-for-a-repository
    """

    use_cache = True
    large_stream = True

    def path(self, stream_slice: Mapping[str, Any] = None, **kwargs) -> str:
        return f"repos/{stream_slice['repository']}/issues/comments"


class Commits(IncrementalMixin, GithubStream):
    """
    API docs: https://docs.github.com/en/rest/reference/repos#list-commits

    Pull commits from each branch of each repository, tracking state for each branch
    """

    primary_key = "sha"
    cursor_field = "created_at"

    def __init__(self, branches_to_pull: Mapping[str, List[str]], default_branches: Mapping[str, str], **kwargs):
        super().__init__(**kwargs)
        self.branches_to_pull = branches_to_pull
        self.default_branches = default_branches

    def request_params(self, stream_state: Mapping[str, Any], stream_slice: Mapping[str, Any] = None, **kwargs) -> MutableMapping[str, Any]:
        params = super(IncrementalMixin, self).request_params(stream_state=stream_state, stream_slice=stream_slice, **kwargs)
        params["since"] = self.get_starting_point(stream_state=stream_state, stream_slice=stream_slice)
        params["sha"] = stream_slice["branch"]
        return params

    def stream_slices(self, **kwargs) -> Iterable[Optional[Mapping[str, Any]]]:
        for stream_slice in super().stream_slices(**kwargs):
            repository = stream_slice["repository"]
            for branch in self.branches_to_pull.get(repository, []):
                yield {"branch": branch, "repository": repository}

    def transform(self, record: MutableMapping[str, Any], stream_slice: Mapping[str, Any]) -> MutableMapping[str, Any]:
        record = super().transform(record=record, stream_slice=stream_slice)

        # Record of the `commits` stream doesn't have an updated_at/created_at field at the top level (so we could
        # just write `record["updated_at"]` or `record["created_at"]`). Instead each record has such value in
        # `commit.author.date`. So the easiest way is to just enrich the record returned from API with top level
        # field `created_at` and use it as cursor_field.
        # Include the branch in the record
        record["created_at"] = record["commit"]["author"]["date"]
        record["branch"] = stream_slice["branch"]

        return record

    def get_updated_state(self, current_stream_state: MutableMapping[str, Any], latest_record: Mapping[str, Any]):
        state_value = latest_cursor_value = latest_record.get(self.cursor_field)
        current_repository = latest_record["repository"]
        current_branch = latest_record["branch"]

        if current_stream_state.get(current_repository):
            repository_commits_state = current_stream_state[current_repository]
            if repository_commits_state.get(self.cursor_field):
                # transfer state from old source version to per-branch version
                if current_branch == self.default_branches[current_repository]:
                    state_value = max(latest_cursor_value, repository_commits_state[self.cursor_field])
                    del repository_commits_state[self.cursor_field]
            elif repository_commits_state.get(current_branch, {}).get(self.cursor_field):
                state_value = max(latest_cursor_value, repository_commits_state[current_branch][self.cursor_field])

        if current_repository not in current_stream_state:
            current_stream_state[current_repository] = {}

        current_stream_state[current_repository][current_branch] = {self.cursor_field: state_value}
        return current_stream_state

    def get_starting_point(self, stream_state: Mapping[str, Any], stream_slice: Mapping[str, Any]) -> str:
        repository = stream_slice["repository"]
        branch = stream_slice["branch"]
        if stream_state:
            stream_state_value = stream_state.get(repository, {}).get(branch, {}).get(self.cursor_field)
            if stream_state_value:
                return max(self._start_date, stream_state_value)
        if branch == self.default_branches[repository]:
            return super().get_starting_point(stream_state=stream_state, stream_slice=stream_slice)
        return self._start_date


class Issues(IncrementalMixin, GithubStream):
    """
    API docs: https://docs.github.com/en/rest/issues/issues#list-repository-issues
    """

    use_cache = True
    large_stream = True
    is_sorted = "asc"

    stream_base_params = {
        "state": "all",
        "sort": "updated",
        "direction": "asc",
    }


class ReviewComments(IncrementalMixin, GithubStream):
    """
    API docs: https://docs.github.com/en/rest/reference/pulls#list-review-comments-in-a-repository
    """

    use_cache = True
    large_stream = True

    def path(self, stream_slice: Mapping[str, Any] = None, **kwargs) -> str:
        return f"repos/{stream_slice['repository']}/pulls/comments"


class PullRequestStats(SemiIncrementalMixin, GithubStream):
    """
    API docs: https://docs.github.com/en/graphql/reference/objects#pullrequest
    """

    is_sorted = "asc"
    http_method = "POST"

    def path(
        self, *, stream_state: Mapping[str, Any] = None, stream_slice: Mapping[str, Any] = None, next_page_token: Mapping[str, Any] = None
    ) -> str:
        return "graphql"

    def raise_error_from_response(self, response_json):
        if "errors" in response_json:
            raise Exception(str(response_json["errors"]))

    def _get_name(self, repository):
        return repository["owner"]["login"] + "/" + repository["name"]

    def parse_response(self, response: requests.Response, **kwargs) -> Iterable[Mapping]:
        self.raise_error_from_response(response_json=response.json())
        repository = response.json()["data"]["repository"]
        if repository:
            nodes = repository["pullRequests"]["nodes"]
            for record in nodes:
                record["review_comments"] = sum([node["comments"]["totalCount"] for node in record["review_comments"]["nodes"]])
                record["comments"] = record["comments"]["totalCount"]
                record["commits"] = record["commits"]["totalCount"]
                record["repository"] = self._get_name(repository)
                if record["merged_by"]:
                    record["merged_by"]["type"] = record["merged_by"].pop("__typename")
                yield record

    def next_page_token(self, response: requests.Response) -> Optional[Mapping[str, Any]]:
        repository = response.json()["data"]["repository"]
        if repository:
            pageInfo = repository["pullRequests"]["pageInfo"]
            if pageInfo["hasNextPage"]:
                return {"after": pageInfo["endCursor"]}

    def request_params(
        self, stream_state: Mapping[str, Any], stream_slice: Mapping[str, Any] = None, next_page_token: Mapping[str, Any] = None
    ) -> MutableMapping[str, Any]:
        return {}

    def request_body_json(
        self,
        stream_state: Mapping[str, Any],
        stream_slice: Mapping[str, Any] = None,
        next_page_token: Mapping[str, Any] = None,
    ) -> Optional[Mapping]:
        organization, name = stream_slice["repository"].split("/")
        if next_page_token:
            next_page_token = next_page_token["after"]
        query = get_query_pull_requests(
            owner=organization, name=name, first=self.page_size, after=next_page_token, direction=self.is_sorted.upper()
        )
        return {"query": query}

    def request_headers(self, **kwargs) -> Mapping[str, Any]:
        base_headers = super().request_headers(**kwargs)
        # https://docs.github.com/en/graphql/overview/schema-previews#merge-info-preview
        headers = {"Accept": "application/vnd.github.merge-info-preview+json"}
        return {**base_headers, **headers}


class Reviews(SemiIncrementalMixin, GithubStream):
    """
    API docs: https://docs.github.com/en/graphql/reference/objects#pullrequestreview
    """

    is_sorted = False
    http_method = "POST"
    cursor_field = "updated_at"

    def __init__(self, **kwargs):
        super().__init__(**kwargs)
        self.pull_requests_cursor = {}
        self.reviews_cursors = {}

    def path(
        self, *, stream_state: Mapping[str, Any] = None, stream_slice: Mapping[str, Any] = None, next_page_token: Mapping[str, Any] = None
    ) -> str:
        return "graphql"

    def request_params(
        self, stream_state: Mapping[str, Any], stream_slice: Mapping[str, Any] = None, next_page_token: Mapping[str, Any] = None
    ) -> MutableMapping[str, Any]:
        return {}

    def raise_error_from_response(self, response_json):
        if "errors" in response_json:
            raise Exception(str(response_json["errors"]))

    def _get_records(self, pull_request, repository_name):
        "yield review records from pull_request"
        for record in pull_request["reviews"]["nodes"]:
            record["repository"] = repository_name
            record["pull_request_url"] = pull_request["url"]
            if record["commit"]:
                record["commit_id"] = record.pop("commit")["oid"]
            if record["user"]:
                record["user"]["type"] = record["user"].pop("__typename")
            # for backward compatibility with REST API response
            record["_links"] = {
                "html": {"href": record["html_url"]},
                "pull_request": {"href": record["pull_request_url"]},
            }
            yield record

    def _get_name(self, repository):
        return repository["owner"]["login"] + "/" + repository["name"]

    def parse_response(self, response: requests.Response, **kwargs) -> Iterable[Mapping]:
        self.raise_error_from_response(response_json=response.json())
        repository = response.json()["data"]["repository"]
        if repository:
            repository_name = self._get_name(repository)
            if "pullRequests" in repository:
                for pull_request in repository["pullRequests"]["nodes"]:
                    yield from self._get_records(pull_request, repository_name)
            elif "pullRequest" in repository:
                yield from self._get_records(repository["pullRequest"], repository_name)

    def next_page_token(self, response: requests.Response) -> Optional[Mapping[str, Any]]:
        repository = response.json()["data"]["repository"]
        if repository:
            repository_name = self._get_name(repository)
            reviews_cursors = self.reviews_cursors.setdefault(repository_name, {})
            if "pullRequests" in repository:
                if repository["pullRequests"]["pageInfo"]["hasNextPage"]:
                    self.pull_requests_cursor[repository_name] = repository["pullRequests"]["pageInfo"]["endCursor"]
                for pull_request in repository["pullRequests"]["nodes"]:
                    if pull_request["reviews"]["pageInfo"]["hasNextPage"]:
                        pull_request_number = pull_request["number"]
                        reviews_cursors[pull_request_number] = pull_request["reviews"]["pageInfo"]["endCursor"]
            elif "pullRequest" in repository:
                if repository["pullRequest"]["reviews"]["pageInfo"]["hasNextPage"]:
                    pull_request_number = repository["pullRequest"]["number"]
                    reviews_cursors[pull_request_number] = repository["pullRequest"]["reviews"]["pageInfo"]["endCursor"]
            if reviews_cursors:
                number, after = reviews_cursors.popitem()
                return {"after": after, "number": number}
            if repository_name in self.pull_requests_cursor:
                return {"after": self.pull_requests_cursor.pop(repository_name)}

    def request_body_json(
        self,
        stream_state: Mapping[str, Any],
        stream_slice: Mapping[str, Any] = None,
        next_page_token: Mapping[str, Any] = None,
    ) -> Optional[Mapping]:
        organization, name = stream_slice["repository"].split("/")
        if not next_page_token:
            next_page_token = {"after": None}
        query = get_query_reviews(owner=organization, name=name, first=self.page_size, **next_page_token)
        return {"query": query}


class PullRequestCommits(GithubStream):
    """
    API docs: https://docs.github.com/en/rest/reference/pulls#list-commits-on-a-pull-request
    """

    primary_key = "sha"

    def __init__(self, parent: HttpStream, **kwargs):
        super().__init__(**kwargs)
        self.parent = parent

    def path(self, stream_slice: Mapping[str, Any] = None, **kwargs) -> str:
        return f"repos/{stream_slice['repository']}/pulls/{stream_slice['pull_number']}/commits"

    def stream_slices(
        self, sync_mode: SyncMode, cursor_field: List[str] = None, stream_state: Mapping[str, Any] = None
    ) -> Iterable[Optional[Mapping[str, Any]]]:
        parent_stream_slices = self.parent.stream_slices(
            sync_mode=SyncMode.full_refresh, cursor_field=cursor_field, stream_state=stream_state
        )
        for stream_slice in parent_stream_slices:
            parent_records = self.parent.read_records(
                sync_mode=SyncMode.full_refresh, cursor_field=cursor_field, stream_slice=stream_slice, stream_state=stream_state
            )
            for record in parent_records:
                yield {"repository": record["repository"], "pull_number": record["number"]}

    def transform(self, record: MutableMapping[str, Any], stream_slice: Mapping[str, Any]) -> MutableMapping[str, Any]:
        record = super().transform(record=record, stream_slice=stream_slice)
        record["pull_number"] = stream_slice["pull_number"]
        return record


# Reactions streams


class ReactionStream(GithubStream, ABC):

    parent_key = "id"
    copy_parent_key = "comment_id"
    cursor_field = "created_at"

    def __init__(self, start_date: str = "", **kwargs):
        super().__init__(**kwargs)
        kwargs["start_date"] = start_date
        self._parent_stream = self.parent_entity(**kwargs)
        self._start_date = start_date

    @property
    @abstractmethod
    def parent_entity(self):
        """
        Specify the class of the parent stream for which receive reactions
        """

    def path(self, stream_slice: Mapping[str, Any] = None, **kwargs) -> str:
        parent_path = self._parent_stream.path(stream_slice=stream_slice, **kwargs)
        return f"{parent_path}/{stream_slice[self.copy_parent_key]}/reactions"

    def stream_slices(self, **kwargs) -> Iterable[Optional[Mapping[str, Any]]]:
        for stream_slice in super().stream_slices(**kwargs):
            for parent_record in self._parent_stream.read_records(sync_mode=SyncMode.full_refresh, stream_slice=stream_slice):
                yield {self.copy_parent_key: parent_record[self.parent_key], "repository": stream_slice["repository"]}

    def get_updated_state(self, current_stream_state: MutableMapping[str, Any], latest_record: Mapping[str, Any]):
        repository = latest_record["repository"]
        parent_id = str(latest_record[self.copy_parent_key])
        updated_state = latest_record[self.cursor_field]
        stream_state_value = current_stream_state.get(repository, {}).get(parent_id, {}).get(self.cursor_field)
        if stream_state_value:
            updated_state = max(updated_state, stream_state_value)
        current_stream_state.setdefault(repository, {}).setdefault(parent_id, {})[self.cursor_field] = updated_state
        return current_stream_state

    def get_starting_point(self, stream_state: Mapping[str, Any], stream_slice: Mapping[str, Any]) -> str:
        if stream_state:
            repository = stream_slice["repository"]
            parent_id = str(stream_slice[self.copy_parent_key])
            stream_state_value = stream_state.get(repository, {}).get(parent_id, {}).get(self.cursor_field)
            if stream_state_value:
                return max(self._start_date, stream_state_value)
        return self._start_date

    def read_records(
        self,
        sync_mode: SyncMode,
        cursor_field: List[str] = None,
        stream_slice: Mapping[str, Any] = None,
        stream_state: Mapping[str, Any] = None,
    ) -> Iterable[Mapping[str, Any]]:
        starting_point = self.get_starting_point(stream_state=stream_state, stream_slice=stream_slice)
        for record in super().read_records(
            sync_mode=sync_mode, cursor_field=cursor_field, stream_slice=stream_slice, stream_state=stream_state
        ):
            if record[self.cursor_field] > starting_point:
                yield record

    def transform(self, record: MutableMapping[str, Any], stream_slice: Mapping[str, Any]) -> MutableMapping[str, Any]:
        record = super().transform(record, stream_slice)
        record[self.copy_parent_key] = stream_slice[self.copy_parent_key]
        return record


class CommitCommentReactions(ReactionStream):
    """
    API docs: https://docs.github.com/en/rest/reference/reactions#list-reactions-for-a-commit-comment
    """

    parent_entity = CommitComments


class IssueCommentReactions(ReactionStream):
    """
    API docs: https://docs.github.com/en/rest/reference/reactions#list-reactions-for-an-issue-comment
    """

    parent_entity = Comments


class IssueReactions(ReactionStream):
    """
    API docs: https://docs.github.com/en/rest/reference/reactions#list-reactions-for-an-issue
    """

    parent_entity = Issues
    parent_key = "number"
    copy_parent_key = "issue_number"


class PullRequestCommentReactions(SemiIncrementalMixin, GithubStream):
    """
    API docs:
    https://docs.github.com/en/graphql/reference/objects#pullrequestreviewcomment
    https://docs.github.com/en/graphql/reference/objects#reaction
    """

    http_method = "POST"
    cursor_field = "created_at"

    def __init__(self, **kwargs):
        super().__init__(**kwargs)
        self.cursor_storage = CursorStorage(["PullRequest", "PullRequestReview", "PullRequestReviewComment", "Reaction"])
        self.query_reactions = QueryReactions()

    def path(
        self, *, stream_state: Mapping[str, Any] = None, stream_slice: Mapping[str, Any] = None, next_page_token: Mapping[str, Any] = None
    ) -> str:
        return "graphql"

    def raise_error_from_response(self, response_json):
        if "errors" in response_json:
            raise Exception(str(response_json["errors"]))

    def _get_name(self, repository):
        return repository["owner"]["login"] + "/" + repository["name"]

    def _get_reactions_from_comment(self, comment, repository):
        for reaction in comment["reactions"]["nodes"]:
            reaction["repository"] = self._get_name(repository)
            reaction["comment_id"] = comment["id"]
            if reaction["user"]:
                reaction["user"]["type"] = "User"
            yield reaction

    def _get_reactions_from_review(self, review, repository):
        for comment in review["comments"]["nodes"]:
            yield from self._get_reactions_from_comment(comment, repository)

    def _get_reactions_from_pull_request(self, pull_request, repository):
        for review in pull_request["reviews"]["nodes"]:
            yield from self._get_reactions_from_review(review, repository)

    def _get_reactions_from_repository(self, repository):
        for pull_request in repository["pullRequests"]["nodes"]:
            yield from self._get_reactions_from_pull_request(pull_request, repository)

    def parse_response(self, response: requests.Response, **kwargs) -> Iterable[Mapping]:
        self.raise_error_from_response(response_json=response.json())
        data = response.json()["data"]
        repository = data.get("repository")
        if repository:
            yield from self._get_reactions_from_repository(repository)

        node = data.get("node")
        if node:
            if node["__typename"] == "PullRequest":
                yield from self._get_reactions_from_pull_request(node, node["repository"])
            elif node["__typename"] == "PullRequestReview":
                yield from self._get_reactions_from_review(node, node["repository"])
            elif node["__typename"] == "PullRequestReviewComment":
                yield from self._get_reactions_from_comment(node, node["repository"])

    def next_page_token(self, response: requests.Response) -> Optional[Mapping[str, Any]]:
        data = response.json()["data"]
        repository = data.get("repository")
        if repository:
            self._add_cursor(repository, "pullRequests")
            for pull_request in repository["pullRequests"]["nodes"]:
                self._add_cursor(pull_request, "reviews")
                for review in pull_request["reviews"]["nodes"]:
                    self._add_cursor(review, "comments")
                    for comment in review["comments"]["nodes"]:
                        self._add_cursor(comment, "reactions")

        node = data.get("node")
        if node:
            if node["__typename"] == "PullRequest":
                self._add_cursor(node, "reviews")
                for review in node["reviews"]["nodes"]:
                    self._add_cursor(review, "comments")
                    for comment in review["comments"]["nodes"]:
                        self._add_cursor(comment, "reactions")
            elif node["__typename"] == "PullRequestReview":
                self._add_cursor(node, "comments")
                for comment in node["comments"]["nodes"]:
                    self._add_cursor(comment, "reactions")
            elif node["__typename"] == "PullRequestReviewComment":
                self._add_cursor(node, "reactions")

        return self.cursor_storage.get_cursor()

    def _add_cursor(self, node, link):
        link_to_object = {
            "reactions": "Reaction",
            "comments": "PullRequestReviewComment",
            "reviews": "PullRequestReview",
            "pullRequests": "PullRequest",
        }

        pageInfo = node[link]["pageInfo"]
        if pageInfo["hasNextPage"]:
            self.cursor_storage.add_cursor(
                link_to_object[link], pageInfo["endCursor"], node[link]["totalCount"], parent_id=node.get("node_id")
            )

    def request_params(
        self, stream_state: Mapping[str, Any], stream_slice: Mapping[str, Any] = None, next_page_token: Mapping[str, Any] = None
    ) -> MutableMapping[str, Any]:
        return {}

    def request_body_json(
        self,
        stream_state: Mapping[str, Any],
        stream_slice: Mapping[str, Any] = None,
        next_page_token: Mapping[str, Any] = None,
    ) -> Optional[Mapping]:
        organization, name = stream_slice["repository"].split("/")
        if next_page_token:
            after = next_page_token["cursor"]
            page_size = min(self.page_size, next_page_token["total_count"])
            if next_page_token["typename"] == "PullRequest":
                query = self.query_reactions.get_query_root_repository(owner=organization, name=name, first=page_size, after=after)
            elif next_page_token["typename"] == "PullRequestReview":
                query = self.query_reactions.get_query_root_pull_request(node_id=next_page_token["parent_id"], first=page_size, after=after)
            elif next_page_token["typename"] == "PullRequestReviewComment":
                query = self.query_reactions.get_query_root_review(node_id=next_page_token["parent_id"], first=page_size, after=after)
            elif next_page_token["typename"] == "Reaction":
                query = self.query_reactions.get_query_root_comment(node_id=next_page_token["parent_id"], first=page_size, after=after)
        else:
            query = self.query_reactions.get_query_root_repository(owner=organization, name=name, first=self.page_size)

        return {"query": query}


class Deployments(SemiIncrementalMixin, GithubStream):
    """
    API docs: https://docs.github.com/en/rest/deployments/deployments#list-deployments
    """

    def path(self, stream_slice: Mapping[str, Any] = None, **kwargs) -> str:
        return f"repos/{stream_slice['repository']}/deployments"


class ProjectColumns(GithubStream):
    """
    API docs: https://docs.github.com/en/rest/reference/projects#list-project-columns
    """

    use_cache = True
    cursor_field = "updated_at"

    def __init__(self, parent: HttpStream, start_date: str, **kwargs):
        super().__init__(**kwargs)
        self.parent = parent
        self._start_date = start_date

    def path(self, stream_slice: Mapping[str, Any] = None, **kwargs) -> str:
        return f"projects/{stream_slice['project_id']}/columns"

    def stream_slices(
        self, sync_mode: SyncMode, cursor_field: List[str] = None, stream_state: Mapping[str, Any] = None
    ) -> Iterable[Optional[Mapping[str, Any]]]:
        parent_stream_slices = self.parent.stream_slices(
            sync_mode=SyncMode.full_refresh, cursor_field=cursor_field, stream_state=stream_state
        )
        for stream_slice in parent_stream_slices:
            parent_records = self.parent.read_records(
                sync_mode=SyncMode.full_refresh, cursor_field=cursor_field, stream_slice=stream_slice, stream_state=stream_state
            )
            for record in parent_records:
                yield {"repository": record["repository"], "project_id": record["id"]}

    def read_records(
        self,
        sync_mode: SyncMode,
        cursor_field: List[str] = None,
        stream_slice: Mapping[str, Any] = None,
        stream_state: Mapping[str, Any] = None,
    ) -> Iterable[Mapping[str, Any]]:
        starting_point = self.get_starting_point(stream_state=stream_state, stream_slice=stream_slice)
        for record in super().read_records(
            sync_mode=sync_mode, cursor_field=cursor_field, stream_slice=stream_slice, stream_state=stream_state
        ):
            if record[self.cursor_field] > starting_point:
                yield record

    def get_starting_point(self, stream_state: Mapping[str, Any], stream_slice: Mapping[str, Any]) -> str:
        if stream_state:
            repository = stream_slice["repository"]
            project_id = str(stream_slice["project_id"])
            stream_state_value = stream_state.get(repository, {}).get(project_id, {}).get(self.cursor_field)
            if stream_state_value:
                return max(self._start_date, stream_state_value)
        return self._start_date

    def get_updated_state(self, current_stream_state: MutableMapping[str, Any], latest_record: Mapping[str, Any]):
        repository = latest_record["repository"]
        project_id = str(latest_record["project_id"])
        updated_state = latest_record[self.cursor_field]
        stream_state_value = current_stream_state.get(repository, {}).get(project_id, {}).get(self.cursor_field)
        if stream_state_value:
            updated_state = max(updated_state, stream_state_value)
        current_stream_state.setdefault(repository, {}).setdefault(project_id, {})[self.cursor_field] = updated_state
        return current_stream_state

    def transform(self, record: MutableMapping[str, Any], stream_slice: Mapping[str, Any]) -> MutableMapping[str, Any]:
        record = super().transform(record=record, stream_slice=stream_slice)
        record["project_id"] = stream_slice["project_id"]
        return record


class ProjectCards(GithubStream):
    """
    API docs: https://docs.github.com/en/rest/reference/projects#list-project-cards
    """

    cursor_field = "updated_at"

    def __init__(self, parent: HttpStream, start_date: str, **kwargs):
        super().__init__(**kwargs)
        self.parent = parent
        self._start_date = start_date

    def path(self, stream_slice: Mapping[str, Any] = None, **kwargs) -> str:
        return f"projects/columns/{stream_slice['column_id']}/cards"

    def stream_slices(
        self, sync_mode: SyncMode, cursor_field: List[str] = None, stream_state: Mapping[str, Any] = None
    ) -> Iterable[Optional[Mapping[str, Any]]]:
        parent_stream_slices = self.parent.stream_slices(
            sync_mode=SyncMode.full_refresh, cursor_field=cursor_field, stream_state=stream_state
        )
        for stream_slice in parent_stream_slices:
            parent_records = self.parent.read_records(
                sync_mode=SyncMode.full_refresh, cursor_field=cursor_field, stream_slice=stream_slice, stream_state=stream_state
            )
            for record in parent_records:
                yield {"repository": record["repository"], "project_id": record["project_id"], "column_id": record["id"]}

    def read_records(
        self,
        sync_mode: SyncMode,
        cursor_field: List[str] = None,
        stream_slice: Mapping[str, Any] = None,
        stream_state: Mapping[str, Any] = None,
    ) -> Iterable[Mapping[str, Any]]:
        starting_point = self.get_starting_point(stream_state=stream_state, stream_slice=stream_slice)
        for record in super().read_records(
            sync_mode=sync_mode, cursor_field=cursor_field, stream_slice=stream_slice, stream_state=stream_state
        ):
            if record[self.cursor_field] > starting_point:
                yield record

    def get_starting_point(self, stream_state: Mapping[str, Any], stream_slice: Mapping[str, Any]) -> str:
        if stream_state:
            repository = stream_slice["repository"]
            project_id = str(stream_slice["project_id"])
            column_id = str(stream_slice["column_id"])
            stream_state_value = stream_state.get(repository, {}).get(project_id, {}).get(column_id, {}).get(self.cursor_field)
            if stream_state_value:
                return max(self._start_date, stream_state_value)
        return self._start_date

    def get_updated_state(self, current_stream_state: MutableMapping[str, Any], latest_record: Mapping[str, Any]):
        repository = latest_record["repository"]
        project_id = str(latest_record["project_id"])
        column_id = str(latest_record["column_id"])
        updated_state = latest_record[self.cursor_field]
        stream_state_value = current_stream_state.get(repository, {}).get(project_id, {}).get(column_id, {}).get(self.cursor_field)
        if stream_state_value:
            updated_state = max(updated_state, stream_state_value)
        current_stream_state.setdefault(repository, {}).setdefault(project_id, {}).setdefault(column_id, {})[
            self.cursor_field
        ] = updated_state
        return current_stream_state

    def transform(self, record: MutableMapping[str, Any], stream_slice: Mapping[str, Any]) -> MutableMapping[str, Any]:
        record = super().transform(record=record, stream_slice=stream_slice)
        record["project_id"] = stream_slice["project_id"]
        record["column_id"] = stream_slice["column_id"]
        return record


class Workflows(SemiIncrementalMixin, GithubStream):
    """
    Get all workflows of a GitHub repository
    API documentation: https://docs.github.com/en/rest/actions/workflows#list-repository-workflows
    """

    def path(self, stream_slice: Mapping[str, Any] = None, **kwargs) -> str:
        return f"repos/{stream_slice['repository']}/actions/workflows"

    def parse_response(self, response: requests.Response, stream_slice: Mapping[str, Any] = None, **kwargs) -> Iterable[Mapping]:
        response = response.json().get("workflows")
        for record in response:
            yield self.transform(record=record, stream_slice=stream_slice)

    def convert_cursor_value(self, value):
        return pendulum.parse(value).in_tz(tz="UTC").format("YYYY-MM-DDTHH:mm:ss[Z]")


class WorkflowRuns(SemiIncrementalMixin, GithubStream):
    """
    Get all workflow runs for a GitHub repository
    API documentation: https://docs.github.com/en/rest/actions/workflow-runs#list-workflow-runs-for-a-repository
    """

    # key for accessing slice value from record
    record_slice_key = ["repository", "full_name"]

    # https://docs.github.com/en/actions/managing-workflow-runs/re-running-workflows-and-jobs
    re_run_period = 32  # days

    def path(self, stream_slice: Mapping[str, Any] = None, **kwargs) -> str:
        return f"repos/{stream_slice['repository']}/actions/runs"

    def parse_response(self, response: requests.Response, stream_slice: Mapping[str, Any] = None, **kwargs) -> Iterable[Mapping]:
        response = response.json().get("workflow_runs")
        for record in response:
            yield record

    def read_records(
        self,
        sync_mode: SyncMode,
        cursor_field: List[str] = None,
        stream_slice: Mapping[str, Any] = None,
        stream_state: Mapping[str, Any] = None,
    ) -> Iterable[Mapping[str, Any]]:
        # Records in the workflows_runs stream are naturally descending sorted by `created_at` field.
        # On first sight this is not big deal because cursor_field is `updated_at`.
        # But we still can use `created_at` as a breakpoint because after 30 days period
        # https://docs.github.com/en/actions/managing-workflow-runs/re-running-workflows-and-jobs
        # workflows_runs records cannot be updated. It means if we initially fully synced stream on subsequent incremental sync we need
        # only to look behind on 30 days to find all records which were updated.
        start_point = self.get_starting_point(stream_state=stream_state, stream_slice=stream_slice)
        break_point = (pendulum.parse(start_point) - pendulum.duration(days=self.re_run_period)).to_iso8601_string()
        for record in super(SemiIncrementalMixin, self).read_records(
            sync_mode=sync_mode, cursor_field=cursor_field, stream_slice=stream_slice, stream_state=stream_state
        ):
            cursor_value = record[self.cursor_field]
            created_at = record["created_at"]
            if cursor_value > start_point:
                yield record
            if created_at < break_point:
                break


class TeamMembers(GithubStream):
    """
    API docs: https://docs.github.com/en/rest/reference/teams#list-team-members
    """

    use_cache = True
    primary_key = ["id", "team_slug"]

    def __init__(self, parent: Teams, **kwargs):
        super().__init__(**kwargs)
        self.parent = parent

    def path(self, stream_slice: Mapping[str, Any] = None, **kwargs) -> str:
        return f"orgs/{stream_slice['organization']}/teams/{stream_slice['team_slug']}/members"

    def stream_slices(
        self, sync_mode: SyncMode, cursor_field: List[str] = None, stream_state: Mapping[str, Any] = None
    ) -> Iterable[Optional[Mapping[str, Any]]]:
        parent_stream_slices = self.parent.stream_slices(
            sync_mode=SyncMode.full_refresh, cursor_field=cursor_field, stream_state=stream_state
        )
        for stream_slice in parent_stream_slices:
            parent_records = self.parent.read_records(
                sync_mode=SyncMode.full_refresh, cursor_field=cursor_field, stream_slice=stream_slice, stream_state=stream_state
            )
            for record in parent_records:
                yield {"organization": record["organization"], "team_slug": record["slug"]}

    def transform(self, record: MutableMapping[str, Any], stream_slice: Mapping[str, Any]) -> MutableMapping[str, Any]:
        record["organization"] = stream_slice["organization"]
        record["team_slug"] = stream_slice["team_slug"]
        return record


class TeamMemberships(GithubStream):
    """
    API docs: https://docs.github.com/en/rest/reference/teams#get-team-membership-for-a-user
    """

    primary_key = ["url"]

    def __init__(self, parent: TeamMembers, **kwargs):
        super().__init__(**kwargs)
        self.parent = parent

    def path(self, stream_slice: Mapping[str, Any] = None, **kwargs) -> str:
        return f"orgs/{stream_slice['organization']}/teams/{stream_slice['team_slug']}/memberships/{stream_slice['username']}"

    def stream_slices(
        self, sync_mode: SyncMode, cursor_field: List[str] = None, stream_state: Mapping[str, Any] = None
    ) -> Iterable[Optional[Mapping[str, Any]]]:
        parent_stream_slices = self.parent.stream_slices(
            sync_mode=SyncMode.full_refresh, cursor_field=cursor_field, stream_state=stream_state
        )
        for stream_slice in parent_stream_slices:
            parent_records = self.parent.read_records(
                sync_mode=SyncMode.full_refresh, cursor_field=cursor_field, stream_slice=stream_slice, stream_state=stream_state
            )
            for record in parent_records:
                yield {"organization": record["organization"], "team_slug": record["team_slug"], "username": record["login"]}

    def parse_response(self, response: requests.Response, stream_slice: Mapping[str, Any], **kwargs) -> Iterable[Mapping]:
        yield self.transform(response.json(), stream_slice=stream_slice)

    def transform(self, record: MutableMapping[str, Any], stream_slice: Mapping[str, Any]) -> MutableMapping[str, Any]:
        record["organization"] = stream_slice["organization"]
        record["team_slug"] = stream_slice["team_slug"]
        record["username"] = stream_slice["username"]
        return record