path: root/python/fatcat_tools/transforms/elasticsearch.py

import datetime
from typing import Any, Dict, Optional

import tldextract
from fatcat_openapi_client import (
    ChangelogEntry,
    ContainerEntity,
    EntityEdit,
    FileEntity,
    ReleaseEntity,
)


def check_kbart(year: int, archive: dict) -> Optional[bool]:
    if not archive or not archive.get("year_spans"):
        return None
    for span in archive["year_spans"]:
        if year >= span[0] and year <= span[1]:
            return True
    return False


def test_check_kbart() -> None:

    assert check_kbart(1990, dict()) is None
    assert check_kbart(1990, dict(year_spans=[[2000, 2000]])) is False
    assert check_kbart(2000, dict(year_spans=[[2000, 2000]])) is True
    assert check_kbart(1950, dict(year_spans=[[1900, 1920], [1990, 2000]])) is False
    assert check_kbart(1950, dict(year_spans=[[1900, 1920], [1930, 2000]])) is True


def release_to_elasticsearch(entity: ReleaseEntity, force_bool: bool = True) -> Dict[str, Any]:
    """
    Converts from an entity model/schema to elasticsearch oriented schema.

    This is a large/complex transform, so subsets are split out into helper
    functions.

    Returns: dict
    Raises exception on error (never returns None)
    """

    if entity.state in ("redirect", "deleted"):
        return dict(
            ident=entity.ident,
            state=entity.state,
        )
    elif entity.state != "active":
        raise ValueError("Unhandled entity state: {}".format(entity.state))

    # First, the easy ones (direct copy)
    release = entity
    t: Dict[str, Any] = dict(
        doc_index_ts=datetime.datetime.utcnow().isoformat() + "Z",
        ident=release.ident,
        state=release.state,
        revision=release.revision,
        work_id=release.work_id,
        title=release.title,
        subtitle=release.subtitle,
        original_title=release.original_title,
        release_type=release.release_type,
        release_stage=release.release_stage,
        withdrawn_status=release.withdrawn_status,
        language=release.language,
        volume=release.volume,
        issue=release.issue,
        pages=release.pages,
        number=release.number,
        license=release.license_slug,
        version=release.version,
        doi=release.ext_ids.doi,
        pmid=release.ext_ids.pmid,
        pmcid=release.ext_ids.pmcid,
        isbn13=release.ext_ids.isbn13,
        wikidata_qid=release.ext_ids.wikidata_qid,
        core_id=release.ext_ids.core,
        arxiv_id=release.ext_ids.arxiv,
        jstor_id=release.ext_ids.jstor,
        ark_id=release.ext_ids.ark,
        mag_id=release.ext_ids.mag,
        dblp_id=release.ext_ids.dblp,
        doaj_id=release.ext_ids.doaj,
        hdl=release.ext_ids.hdl,
        tags=[],
    )

    t.update(
        dict(
            is_oa=None,
            is_longtail_oa=None,
            is_preserved=None,
            in_web=False,
            in_dweb=False,
            in_ia=False,
            in_ia_sim=False,
            in_kbart=None,
            in_jstor=False,
            in_doaj=bool(release.ext_ids.doaj),
            in_shadows=False,
        )
    )

    release_year = release.release_year
    if release.release_date:
        # .isoformat() results in, eg, '2010-10-22' (YYYY-MM-DD)
        t["release_date"] = release.release_date.isoformat()
        if not release_year:
            release_year = release.release_date.year
    if release_year:
        t["release_year"] = release_year

    t["any_abstract"] = len(release.abstracts or []) > 0
    t["ref_count"] = len(release.refs or [])
    ref_release_ids = []
    for r in release.refs or []:
        if r.target_release_id:
            ref_release_ids.append(r.target_release_id)
    t["ref_release_ids"] = ref_release_ids
    t["ref_linked_count"] = len(ref_release_ids)
    t["contrib_count"] = len(release.contribs or [])
    contrib_names = []
    contrib_affiliations = []
    creator_ids = []
    for c in release.contribs or []:
        if c.creator and c.creator.display_name:
            contrib_names.append(c.creator.display_name)
        elif c.raw_name:
            contrib_names.append(c.raw_name)
        elif c.surname:
            contrib_names.append(c.surname)

        if c.creator_id:
            creator_ids.append(c.creator_id)
        if c.raw_affiliation:
            contrib_affiliations.append(c.raw_affiliation)
    t["contrib_names"] = contrib_names
    t["creator_ids"] = creator_ids
    t["affiliations"] = contrib_affiliations

    # TODO: mapping... probably by lookup?
    t["affiliation_rors"] = None

    if release.container:
        t.update(_rte_container_helper(release.container, release_year))

    # fall back to release-level container metadata if container not linked or
    # missing context
    if not t.get("publisher"):
        t["publisher"] = release.publisher
    if not t.get("container_name") and release.extra:
        t["container_name"] = release.extra.get("container_name")

    if release.ext_ids.jstor or (
        release.ext_ids.doi and release.ext_ids.doi.startswith("10.2307/")
    ):
        t["in_jstor"] = True

    # transform file/fileset/webcapture related fields
    t.update(_rte_content_helper(release))

    if release.ext_ids.doaj:
        t["is_oa"] = True

    if release.license_slug:
        # TODO: more/better checks here, particularly strict *not* OA licenses
        if release.license_slug.startswith("CC-"):
            t["is_oa"] = True
        if release.license_slug.startswith("ARXIV-"):
            t["is_oa"] = True

    t["is_work_alias"] = None
    extra = release.extra or dict()
    if extra:
        if extra.get("is_oa"):
            # NOTE: not actually setting this anywhere... but could
            t["is_oa"] = True
        if extra.get("is_work_alias") is not None:
            t["is_work_alias"] = bool(extra.get("is_work_alias"))
        if extra.get("longtail_oa"):
            # sometimes set by GROBID/matcher
            t["is_oa"] = True
            t["is_longtail_oa"] = True
        if not t.get("container_name"):
            t["container_name"] = extra.get("container_name")
        if extra.get("crossref"):
            if extra["crossref"].get("archive"):
                # all crossref archives are KBART, I believe
                t["in_kbart"] = True
        # backwards compatible subtitle fetching
        if not t["subtitle"] and extra.get("subtitle"):
            if type(extra["subtitle"]) == list:
                t["subtitle"] = extra["subtitle"][0]
            else:
                t["subtitle"] = extra["subtitle"]

    t["first_page"] = None
    if release.pages:
        first = release.pages.split("-")[0]
        first = first.replace("p", "")
        if first.isdigit():
            t["first_page"] = first
        # TODO: non-numerical first pages

    t["ia_microfilm_url"] = None
    if t["in_ia_sim"]:
        # TODO: determine URL somehow? I think this is in flux. Will probably
        # need extra metadata in the container extra field.
        # special case as a demo for now.
        if (
            release.container_id == "hl5g6d5msjcl7hlbyyvcsbhc2u"
            and release.release_year in (2011, 2013)
            and release.issue
            and release.issue.isdigit()
            and t["first_page"]
        ):
            t[
                "ia_microfilm_url"
            ] = "https://archive.org/details/sim_bjog_{}-{:02d}/page/n{}".format(
                release.release_year,
                int(release.issue) - 1,
                t["first_page"],
            )

    t["doi_registrar"] = None
    if extra and t["doi"]:
        for k in ("crossref", "datacite", "jalc"):
            if k in extra:
                t["doi_registrar"] = k
        if "doi_registrar" not in t:
            t["doi_registrar"] = "crossref"

    if t["doi"]:
        t["doi_prefix"] = t["doi"].split("/")[0]

    if t["is_longtail_oa"]:
        t["is_oa"] = True

    # optionally coerce all flags from Optional[bool] to bool
    if force_bool:
        for k in (
            "is_oa",
            "is_longtail_oa",
            "in_kbart",
            "in_ia_sim",
            "in_jstor",
            "in_web",
            "in_dweb",
            "in_shadows",
            "is_work_alias",
        ):
            t[k] = bool(t[k])

    t["in_ia"] = bool(t["in_ia"])
    t["is_preserved"] = bool(
        t["is_preserved"]
        or t["in_ia"]
        or t["in_kbart"]
        or t["in_jstor"]
        or t.get("pmcid")
        or t.get("arxiv_id")
    )

    if t["in_ia"]:
        t["preservation"] = "bright"
    elif t["is_preserved"]:
        t["preservation"] = "dark"
    elif t["in_shadows"]:
        t["preservation"] = "shadows_only"
    else:
        t["preservation"] = "none"

    return t


def _rte_container_helper(container: ContainerEntity, release_year: Optional[int]) -> dict:
    """
    Container metadata sub-section of release_to_elasticsearch()
    """
    this_year = datetime.date.today().year
    t = dict()
    t["publisher"] = container.publisher
    t["container_name"] = container.name
    # this is container.ident, not release.container_id, because there may
    # be a redirect involved
    t["container_id"] = container.ident
    t["container_issnl"] = container.issnl
    issns = [container.issnl, container.issne, container.issnp]
    issns = list(set([i for i in issns if i]))
    t["container_issns"] = issns
    t["container_type"] = container.container_type
    t["container_publication_status"] = container.publication_status
    if container.extra:
        c_extra = container.extra
        if c_extra.get("kbart") and release_year:
            if check_kbart(release_year, c_extra["kbart"].get("jstor")):
                t["in_jstor"] = True
            if t.get("in_kbart") or t.get("in_jstor"):
                t["in_kbart"] = True
            for archive in (
                "portico",
                "lockss",
                "clockss",
                "pkp_pln",
                "hathitrust",
                "scholarsportal",
                "cariniana",
            ):
                t["in_kbart"] = t.get("in_kbart") or check_kbart(
                    release_year, c_extra["kbart"].get(archive)
                )
                # recent KBART coverage is often not updated for the
                # current year. So for current-year publications, consider
                # coverage from *last* year to also be included in the
                # Keeper
                if not t.get("in_kbart") and release_year == this_year:
                    t["in_kbart"] = check_kbart(this_year - 1, c_extra["kbart"].get(archive))

        if c_extra.get("ia"):
            if c_extra["ia"].get("sim") and release_year:
                t["in_ia_sim"] = check_kbart(release_year, c_extra["ia"]["sim"])
            if c_extra["ia"].get("longtail_oa"):
                t["is_longtail_oa"] = True
        if c_extra.get("sherpa_romeo"):
            if c_extra["sherpa_romeo"].get("color") == "white":
                t["is_oa"] = False
        if c_extra.get("default_license") and c_extra.get("default_license").startswith("CC-"):
            t["is_oa"] = True
        if c_extra.get("doaj"):
            if c_extra["doaj"].get("as_of"):
                t["is_oa"] = True
                t["in_doaj"] = True
        if c_extra.get("road"):
            if c_extra["road"].get("as_of"):
                t["is_oa"] = True
        if c_extra.get("szczepanski"):
            if c_extra["szczepanski"].get("as_of"):
                t["is_oa"] = True
        if c_extra.get("country"):
            t["country_code"] = c_extra["country"]
            t["country_code_upper"] = c_extra["country"].upper()
        if c_extra.get("publisher_type"):
            t["publisher_type"] = c_extra["publisher_type"]
        if c_extra.get("discipline"):
            t["discipline"] = c_extra["discipline"]
    return t


def _rte_content_helper(release: ReleaseEntity) -> dict:
    """
    File/FileSet/WebCapture sub-section of release_to_elasticsearch()

    The current priority order for "best_pdf_url" is:
    - internet archive urls (archive.org or web.archive.org)
    - other webarchive or repository URLs
    - any other URL
    """
    t = dict(
        file_count=len(release.files or []),
        fileset_count=len(release.filesets or []),
        webcapture_count=len(release.webcaptures or []),
    )

    any_pdf_url = None
    good_pdf_url = None
    best_pdf_url = None
    ia_pdf_url = None

    for f in release.files or []:
        if f.extra and f.extra.get("shadows"):
            t["in_shadows"] = True
        is_pdf = "pdf" in (f.mimetype or "")
        for release_url in f.urls or []:
            # first generic flags
            t.update(_rte_url_helper(release_url))

            # then PDF specific stuff (for generating "best URL" fields)
            if not f.mimetype and "pdf" in release_url.url.lower():
                is_pdf = True
            if is_pdf:
                any_pdf_url = release_url.url
                if release_url.rel in ("webarchive", "repository", "repo"):
                    good_pdf_url = release_url.url
                if (
                    "//web.archive.org/" in release_url.url
                    or "//archive.org/" in release_url.url
                ):
                    best_pdf_url = release_url.url
                    ia_pdf_url = release_url.url

    # here is where we bake-in PDF url priority; IA-specific
    t["best_pdf_url"] = best_pdf_url or good_pdf_url or any_pdf_url
    t["ia_pdf_url"] = ia_pdf_url

    for fs in release.filesets or []:
        for url_obj in fs.urls or []:
            t.update(_rte_url_helper(url_obj))

    for wc in release.webcaptures or []:
        for url_obj in wc.archive_urls or []:
            t.update(_rte_url_helper(url_obj))

    return t


def _rte_url_helper(url_obj) -> dict:
    """
    Takes a location URL ('url' and 'rel' keys) and returns generic preservation status.

    Designed to work with file, webcapture, or fileset URLs.

    Returns a dict; should *not* include non-True values for any keys because
    these will be iteratively update() into the overal object.
    """
    t = dict()
    if url_obj.rel in ("webarchive", "repository", "archive", "repo"):
        t["is_preserved"] = True
    if "//web.archive.org/" in url_obj.url or "//archive.org/" in url_obj.url:
        t["in_ia"] = True
    if url_obj.url.lower().startswith("http") or url_obj.url.lower().startswith("ftp"):
        t["in_web"] = True
    if url_obj.rel in ("dweb", "p2p", "ipfs", "dat", "torrent"):
        # not sure what rel will be for this stuff
        t["in_dweb"] = True
    if "//www.jstor.org/" in url_obj.url:
        t["in_jstor"] = True
    return t


def container_to_elasticsearch(entity, force_bool=True, stats=None):
    """
    Converts from an entity model/schema to elasticsearch oriented schema.

    Returns: dict
    Raises exception on error (never returns None)
    """

    if entity.state in ("redirect", "deleted"):
        return dict(
            ident=entity.ident,
            state=entity.state,
        )
    elif entity.state != "active":
        raise ValueError("Unhandled entity state: {}".format(entity.state))

    # First, the easy ones (direct copy)
    t = dict(
        doc_index_ts=datetime.datetime.utcnow().isoformat() + "Z",
        ident=entity.ident,
        state=entity.state,
        revision=entity.revision,
        name=entity.name,
        publisher=entity.publisher,
        container_type=entity.container_type,
        publication_status=entity.publication_status,
        issnl=entity.issnl,
        issne=entity.issne,
        issnp=entity.issnp,
        wikidata_qid=entity.wikidata_qid,
    )

    if not entity.extra:
        entity.extra = dict()
    for key in (
        "country",
        "languages",
        "mimetypes",
        "original_name",
        "first_year",
        "last_year",
        "aliases",
        "abbrev",
        "region",
        "discipline",
        "publisher_type",
    ):
        if entity.extra.get(key):
            t[key] = entity.extra[key]

    if entity.extra.get("dblp") and entity.extra["dblp"].get("prefix"):
        t["dblp_prefix"] = entity.extra["dblp"]["prefix"]

    if "country" in t:
        t["country_code"] = t.pop("country")

    t["issns"] = [entity.issnl, entity.issne, entity.issnp]
    for key in ("issnp", "issne"):
        if entity.extra.get(key):
            t["issns"].append(entity.extra[key])
    t["issns"] = list(set([i for i in t["issns"] if i]))

    in_doaj = None
    in_road = None
    is_oa = None
    is_longtail_oa = None
    any_kbart = None
    any_jstor = None
    any_ia_sim = None
    keepers = []

    extra = entity.extra
    if extra.get("doaj"):
        if extra["doaj"].get("as_of"):
            in_doaj = True
    if extra.get("road"):
        if extra["road"].get("as_of"):
            in_road = True
    if extra.get("szczepanski"):
        if extra["szczepanski"].get("as_of"):
            is_oa = True
    if extra.get("default_license"):
        if extra["default_license"].startswith("CC-"):
            is_oa = True
    t["sherpa_romeo_color"] = None
    if extra.get("sherpa_romeo"):
        t["sherpa_romeo_color"] = extra["sherpa_romeo"].get("color")
        if extra["sherpa_romeo"].get("color") == "white":
            is_oa = False
    if extra.get("kbart"):
        any_kbart = True
        if extra["kbart"].get("jstor"):
            any_jstor = True
        for k, v in extra["kbart"].items():
            if v and isinstance(v, dict):
                keepers.append(k)
    if extra.get("ia"):
        if extra["ia"].get("sim"):
            any_ia_sim = True
        if extra["ia"].get("longtail_oa"):
            is_longtail_oa = True
    t["is_superceded"] = bool(extra.get("superceded"))

    t["keepers"] = keepers
    t["in_doaj"] = bool(in_doaj)
    t["in_road"] = bool(in_road)
    t["any_kbart"] = bool(any_kbart)
    if force_bool:
        t["is_oa"] = bool(in_doaj or in_road or is_oa)
        t["is_longtail_oa"] = bool(is_longtail_oa)
        t["any_jstor"] = bool(any_jstor)
        t["any_ia_sim"] = bool(any_ia_sim)
    else:
        t["is_oa"] = in_doaj or in_road or is_oa
        t["is_longtail_oa"] = is_longtail_oa
        t["any_jstor"] = any_jstor
        t["any_ia_sim"] = any_ia_sim

    # mix in stats, if provided
    if stats:
        t["releases_total"] = stats["total"]
        t["preservation_bright"] = stats["preservation"]["bright"]
        t["preservation_dark"] = stats["preservation"]["dark"]
        t["preservation_shadows_only"] = stats["preservation"]["shadows_only"]
        t["preservation_none"] = stats["preservation"]["none"]
    return t


def _type_of_edit(edit: EntityEdit) -> str:
    if edit.revision is None and edit.redirect_ident is None:
        return "delete"
    elif edit.redirect_ident:
        # redirect
        return "update"
    elif edit.prev_revision is None and edit.redirect_ident is None and edit.revision:
        return "create"
    else:
        return "update"


def changelog_to_elasticsearch(entity: ChangelogEntry) -> Dict[str, Any]:
    """
    Note that this importer requires expanded fill info to work. Calling code
    may need to re-fetch editgroup from API to get the 'editor' field. Some of
    the old kafka feed content doesn't includes editor in particular.
    """

    editgroup = entity.editgroup
    t = dict(
        doc_index_ts=datetime.datetime.utcnow().isoformat() + "Z",
        index=entity.index,
        editgroup_id=entity.editgroup_id,
        timestamp=entity.timestamp.isoformat(),
        editor_id=editgroup.editor_id,
        username=editgroup.editor.username,
        is_bot=editgroup.editor.is_bot,
        is_admin=editgroup.editor.is_admin,
    )

    extra = editgroup.extra or dict()
    if extra.get("agent"):
        t["agent"] = extra["agent"]

    containers = [_type_of_edit(e) for e in editgroup.edits.containers]
    creators = [_type_of_edit(e) for e in editgroup.edits.creators]
    files = [_type_of_edit(e) for e in editgroup.edits.files]
    filesets = [_type_of_edit(e) for e in editgroup.edits.filesets]
    webcaptures = [_type_of_edit(e) for e in editgroup.edits.webcaptures]
    releases = [_type_of_edit(e) for e in editgroup.edits.releases]
    works = [_type_of_edit(e) for e in editgroup.edits.works]

    t["containers"] = len(containers)
    t["new_containers"] = len([e for e in containers if e == "create"])
    t["creators"] = len(creators)
    t["new_creators"] = len([e for e in creators if e == "create"])
    t["files"] = len(files)
    t["new_files"] = len([e for e in files if e == "create"])
    t["filesets"] = len(filesets)
    t["new_filesets"] = len([e for e in filesets if e == "create"])
    t["webcaptures"] = len(webcaptures)
    t["new_webcaptures"] = len([e for e in webcaptures if e == "create"])
    t["releases"] = len(releases)
    t["new_releases"] = len([e for e in releases if e == "create"])
    t["works"] = len(works)
    t["new_works"] = len([e for e in works if e == "create"])

    all_edits = containers + creators + files + filesets + webcaptures + releases + works

    t["created"] = len([e for e in all_edits if e == "create"])
    t["updated"] = len([e for e in all_edits if e == "update"])
    t["deleted"] = len([e for e in all_edits if e == "delete"])
    t["total"] = len(all_edits)
    return t


def file_to_elasticsearch(entity: FileEntity) -> Dict[str, Any]:
    """
    Converts from an entity model/schema to elasticsearch oriented schema.

    Returns: dict
    Raises exception on error (never returns None)
    """

    if entity.state in ("redirect", "deleted"):
        return dict(
            ident=entity.ident,
            state=entity.state,
        )
    elif entity.state != "active":
        raise ValueError("Unhandled entity state: {}".format(entity.state))

    # First, the easy ones (direct copy)
    t = dict(
        doc_index_ts=datetime.datetime.utcnow().isoformat() + "Z",
        ident=entity.ident,
        state=entity.state,
        revision=entity.revision,
        release_ids=entity.release_ids,
        release_count=len(entity.release_ids),
        mimetype=entity.mimetype,
        size_bytes=entity.size,
        sha1=entity.sha1,
        sha256=entity.sha256,
        md5=entity.md5,
    )

    parsed_urls = [tldextract.extract(u.url) for u in entity.urls]
    t["hosts"] = list(set([".".join([seg for seg in pu if seg]) for pu in parsed_urls]))
    t["domains"] = list(set([pu.registered_domain for pu in parsed_urls]))
    t["rels"] = list(set([u.rel for u in entity.urls]))

    t["in_ia"] = bool("archive.org" in t["domains"])
    t["in_ia_petabox"] = bool("archive.org" in t["hosts"])

    any_url = None
    good_url = None
    best_url = None
    for release_url in entity.urls or []:
        any_url = release_url.url
        if release_url.rel in ("webarchive", "repository"):
            good_url = release_url.url
        if "//web.archive.org/" in release_url.url or "//archive.org/" in release_url.url:
            best_url = release_url.url
    # here is where we bake-in priority; IA-specific
    t["best_url"] = best_url or good_url or any_url

    return t