def get_manifest(document_id, source, force_refresh, host):
    # Check if manifest exists
    has_manifest = models.manifest_exists(document_id, source)

    ## TODO: add last modified check

    if not has_manifest or force_refresh:
        if source == "object":
            (success, response) = get_huam(document_id, source)
        elif source == "gallery":
            (success, response) = get_huam_gallery(document_id, source)

        if not success:
            return (success, response, document_id, source) # This is actually the 404 HttpResponse, so return and end the function
 
        # Convert to shared canvas model if successful
        converted_json = huam.main(response, document_id, source, host)

        # Store to elasticsearch
        models.add_or_update_manifest(document_id, converted_json, source)

        return (success, converted_json, document_id, source)
    else:
        # return JSON from db
        json_doc = models.get_manifest(document_id, source)
        return (True, json.dumps(json_doc), document_id, source)
示例#2
0
def get_manifest(document_id, source, force_refresh, host):
    # Check if manifest exists
    has_manifest = models.manifest_exists(document_id, source)

    ## TODO: add last modified check

    if not has_manifest or force_refresh:
        # If not, get MODS, METS, or HUAM JSON
        data_type = sources[source]
        if data_type == "mods":
            ## TODO: check image types??
            (success, response) = get_mods(document_id, source)
        elif data_type == "mets":
            # check if mets object has jp2 images, only those will work in image server
            has_jp2 = mets_jp2_check(document_id)
            if not has_jp2:
                return (has_jp2,
                        HttpResponse(
                            "The document ID %s does not have JP2 images" %
                            document_id,
                            status=404), document_id, source)

            (success, response) = get_mets(document_id, source)
        elif data_type == "huam":
            (success, response) = get_huam(document_id, source)
        else:
            success = False
            response = HttpResponse("Invalid source type", status=404)

        if not success:
            return (
                success, response, document_id, source
            )  # This is actually the 404 HttpResponse, so return and end the function

        # Convert to shared canvas model if successful
        if data_type == "mods":
            converted_json = mods.main(response, document_id, source, host)
            # check if this is, in fact, a PDS object masked as a hollis request
            # If so, get the manifest with the DRS METS ID and return that
            json_doc = json.loads(converted_json)
            if 'pds' in json_doc:
                id = json_doc['pds']
                return get_manifest(id, 'drs', False, host)
        elif data_type == "mets":
            converted_json = mets.main(response, document_id, source, host)
        elif data_type == "huam":
            converted_json = huam.main(response, document_id, source, host)
        else:
            pass
        # Store to elasticsearch
        models.add_or_update_manifest(document_id, converted_json, source)
        # Return the documet_id and source in case this is a hollis record
        # that also has METS/PDS
        return (success, converted_json, document_id, source)
    else:
        # return JSON from db
        json_doc = models.get_manifest(document_id, source)
        return (True, json.dumps(json_doc), document_id, source)
示例#3
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def get_manifest(document_id, source, force_refresh, host, cookie=None):
    # Check if manifest exists
    has_manifest = models.manifest_exists(document_id, source)

    ## TODO: add last modified check

    if not has_manifest or force_refresh:
        # If not, get MODS, METS, or HUAM JSON
        data_type = sources[source]
        if data_type == "mods":
            ## TODO: check image types??
            (success, response) = get_mods(document_id, source, cookie)
        elif data_type == "mets":
            (success, response) = get_mets(document_id, source, cookie)
        elif data_type == "huam":
            (success, response) = get_huam(document_id, source)
        else:
            success = False
            response = HttpResponse("Invalid source type", status=404)

        if not success:
            return (success, response, document_id, source) # This is actually the 404 HttpResponse, so return and end the function

        # Convert to shared canvas model if successful
        if data_type == "mods":
            converted_json = mods.main(response, document_id, source, host, cookie)
            # check if this is, in fact, a PDS object masked as a hollis request
            # If so, get the manifest with the DRS METS ID and return that
            json_doc = json.loads(converted_json)
            if 'pds' in json_doc:
                id = json_doc['pds']
                return get_manifest(id, 'drs', False, host, cookie)
        elif data_type == "mets":
            converted_json = mets.main(response, document_id, source, host, cookie)
        elif data_type == "huam":
            converted_json = huam.main(response, document_id, source, host)
        else:
            pass
        # Store to elasticsearch
        models.add_or_update_manifest(document_id, converted_json, source)
        # Return the documet_id and source in case this is a hollis record
        # that also has METS/PDS
        return (success, converted_json, document_id, source)
    else:
        # return JSON from db
        json_doc = models.get_manifest(document_id, source)
        return (True, json.dumps(json_doc), document_id, source)