data-dwh-dbt-project/models/intermediate/cross/int_flagging_booking_categorisation.sql

{% set risk_booking_status = ("NOTAPPROVED", "FLAGGED") %}
{% set no_risk_booking_status = ("APPROVED", "NOFLAGS") %}
{% set incident_duplicated_status = "CLOSED - DUPLICATE" %}
{% set incident_finished_status = (
    "RESOLVED",
    "RESOLVED EXCEPTION",
    "CLOSED - NO REPLY",
    "CLOSED - OTHER",
    "CLOSED - WAIVER CR",
    "CLOSED - LATE REPORT",
    "CLOSED - NOT COVERED",
    "CLOSED - NOT LIABLE",
    "CLOSED HOST REQUEST",
    "CLOSED - NOT APPROVED",
    "CLOSED - THIRD PARTY",
) %}
{% set days_from_checkout_to_completion = 14 %}

{{ config(materialized="table") }}
with
    int_core__booking_summary as (select * from {{ ref("int_core__booking_summary") }}),
    int_resolutions__incidents as (
        select * from {{ ref("int_resolutions__incidents") }}
    ),
    -- The same booking can have multiple Incidents
    deduplicated_incidents as (
        select
            id_booking,
            sum(submitted_payout_amount_in_gbp) as submitted_payout_amount_in_gbp,
            case
                when sum(submitted_payout_amount_in_gbp) > 0 then true else false
            end as has_submitted_payout,
            case
                when
                    sum(
                        case
                            when
                                upper(current_status_name)
                                in {{ incident_finished_status }}
                            then 1
                            else 0
                        end
                    )
                    > 0
                then true
                else false
            end as is_incident_finished
        from int_resolutions__incidents
        where upper(current_status_name) != '{{ incident_duplicated_status }}'
        group by 1
    ),
    new_dash_protected_bookings as (
        select
            id_booking,
            case
                when
                    (current_date - booking_check_out_date_utc)
                    > {{ days_from_checkout_to_completion }}
                then true
                else false
            end as is_booking_completed,
            case
                when upper(booking_status) in {{ risk_booking_status }}
                then true
                when upper(booking_status) in {{ no_risk_booking_status }}
                then false
                else null
            end as is_booking_flagged_as_risk
        from int_core__booking_summary
        where
            -- Bookings from New Dash users with Id Deal
            is_user_in_new_dash = true
            and is_missing_id_deal = false
            -- Protected Bookings with a Protection or a Deposit Management service
            and (
                has_protection_service_business_type
                or has_deposit_management_service_business_type
            )
            -- Bookings with relevant status (i.e. not cancelled, not pending)
            and (
                upper(booking_status) in {{ risk_booking_status }}
                or upper(booking_status) in {{ no_risk_booking_status }}
            )
    ),
    bookings_with_incidents as (
        select
            ndpb.id_booking,
            ndpb.is_booking_completed,
            ndpb.is_booking_flagged_as_risk,
            case when di.id_booking is not null then true else false end as has_claim,
            coalesce(di.has_submitted_payout, false) as has_submitted_payout,
            coalesce(di.is_incident_finished, false) as is_incident_finished,
            coalesce(
                submitted_payout_amount_in_gbp, 0
            ) as submitted_payout_amount_in_gbp
        from new_dash_protected_bookings ndpb
        left join deduplicated_incidents di on ndpb.id_booking = di.id_booking
    )
select
    -- High Level Bookings  --
    count(id_booking) as total_bookings,
    count(id_booking) filter (where is_booking_completed) as completed_bookings,
    count(id_booking) filter (where not is_booking_completed) as not_completed_bookings,

    -- High Level Claims --
    count(id_booking) filter (where has_claim) as total_with_claim_bookings,

    -- Completed with Claim --
    count(id_booking) filter (
        where is_booking_completed and has_claim
    ) as completed_with_claim_bookings,
    -- Not Completed with Claim --
    count(id_booking) filter (
        where not is_booking_completed and has_claim
    ) as not_completed_with_claim_bookings,
    -- Completed without Claim --
    count(id_booking) filter (
        where is_booking_completed and not has_claim
    ) as completed_without_claim_bookings,

    -- Completed with Risk
    count(id_booking) filter (
        where is_booking_completed and is_booking_flagged_as_risk
    ) as completed_risk_bookings,
    -- Completed without Risk
    count(id_booking) filter (
        where is_booking_completed and not is_booking_flagged_as_risk
    ) as completed_no_risk_bookings,

    -- Completed awaiting resolution
    count(id_booking) filter (
        where is_booking_completed and has_claim and not is_incident_finished
    ) as completed_awaiting_resolution_bookings,
    -- Completed not awaiting resolution
    count(id_booking) filter (
        where
            is_booking_completed
            and ((has_claim and is_incident_finished) or (not has_claim))
    ) as completed_not_awaiting_resolution_bookings,

    -- Completed with Submitted Payout
    count(id_booking) filter (
        where
            is_booking_completed
            and has_submitted_payout
            and is_incident_finished
            and has_claim
    ) as completed_with_submitted_payout_bookings,
    -- Completed without Submitted Payout
    count(id_booking) filter (
        where
            is_booking_completed
            and (
                (has_claim and not has_submitted_payout and is_incident_finished)
                or (not has_claim)
            )
    ) as completed_without_submitted_payout_bookings,

    -- CONFUSION MATRIX 1: RISK vs. CLAIM --
    -- Completed with Risk and with Claim -- True Positives
    count(id_booking) filter (
        where is_booking_completed and is_booking_flagged_as_risk and has_claim
    ) as completed_risk_with_claim_bookings,

    -- Completed without Risk and without Claim -- True Negatives
    count(id_booking) filter (
        where is_booking_completed and not is_booking_flagged_as_risk and not has_claim
    ) as completed_no_risk_without_claim_bookings,

    -- Completed with Risk and without Claim -- False Positive
    count(id_booking) filter (
        where is_booking_completed and is_booking_flagged_as_risk and not has_claim
    ) as completed_risk_without_claim_bookings,

    -- Completed without Risk and with Claim -- False Negatives
    count(id_booking) filter (
        where is_booking_completed and not is_booking_flagged_as_risk and has_claim
    ) as completed_no_risk_with_claim_bookings,

    -- CONFUSION MATRIX 2: RISK vs. PAYOUT --
    -- Completed with Risk, Incident is finished and with Submitted Payout --
    -- True Positives
    count(id_booking) filter (
        where
            is_booking_completed
            and is_booking_flagged_as_risk
            and has_claim
            and has_submitted_payout
            and is_incident_finished
    ) as completed_risk_with_submitted_payout_bookings,

    -- Completed without Risk and without Submitted Payout -- True Negatives
    count(id_booking) filter (
        where
            is_booking_completed
            and not is_booking_flagged_as_risk
            and (
                (has_claim and not has_submitted_payout and is_incident_finished)
                or (not has_claim)
            )
    ) as completed_no_risk_without_submitted_payout_bookings,

    -- Completed with Risk and without Submitted Payout -- False Positive
    count(id_booking) filter (
        where
            is_booking_completed
            and is_booking_flagged_as_risk
            and (
                (has_claim and not has_submitted_payout and is_incident_finished)
                or (not has_claim)
            )
    ) as completed_risk_without_submitted_payout_bookings,

    -- Completed without Risk and with Submitted Payout -- False Negative
    count(id_booking) filter (
        where
            is_booking_completed
            and not is_booking_flagged_as_risk
            and has_submitted_payout
            and has_claim
            and is_incident_finished
    ) as completed_no_risk_with_submitted_payout_bookings,

    -- ADDITIONAL PAYOUT INPUT - FOR CONFUSION MATRIX 2: RISK vs. PAYOUT --
    -- Total amount paid for all bookings
    sum(submitted_payout_amount_in_gbp) as total_amount_paid_in_gbp,

    -- Amount paid from completed bookings
    sum(submitted_payout_amount_in_gbp) filter (
        where is_booking_completed
    ) as completed_amount_paid_in_gbp,

    -- Amount paid from not completed bookings
    sum(submitted_payout_amount_in_gbp) filter (
        where not is_booking_completed
    ) as not_completed_amount_paid_in_gbp,

    -- Completed with Risk, Incident is finished and with Submitted Payout --
    -- True Positives - How much did we pay?
    sum(submitted_payout_amount_in_gbp) filter (
        where
            is_booking_completed
            and is_booking_flagged_as_risk
            and has_claim
            and has_submitted_payout
            and is_incident_finished
    ) as completed_risk_with_submitted_payout_amount_paid_in_gbp,

    -- Completed without Risk and with Submitted Payout 
    -- False Negative - How much did we pay?
    sum(submitted_payout_amount_in_gbp) filter (
        where
            is_booking_completed
            and not is_booking_flagged_as_risk
            and has_submitted_payout
            and has_claim
            and is_incident_finished
    ) as completed_no_risk_with_submitted_payout_amount_paid_in_gbp

from bookings_with_incidents