async function approveEntitlement()

in api/v1/src/procurements/dataManager.js [213:260]
37 lines of code
11 McCabe index (conditional complexity)

async function approveEntitlement(projectId, name, status, reason) {
    try {
        const procurementUtil = new CommerceProcurementUtil(projectId);
        const entitlement = await procurementUtil.getEntitlement(name);
        const state = entitlement.state;

        // Newly purchased entitlement
        if (state === 'ENTITLEMENT_ACTIVATION_REQUESTED') {
            if (status === 'approve') {
                const account = await accountManager.findMarketplaceAccount(projectId, entitlement.account);
                const policy = await policyManager.findMarketplacePolicy(projectId, entitlement.product, entitlement.plan);
                console.log(`Approving entitlement for account:${JSON.stringify(account)} with policy: ${JSON.stringify(policy)}`);
                const result = await procurementUtil.approveEntitlement(name);
                return { success: true, data: result };
            } else if (status === 'reject') {
                const result = await procurementUtil.rejectEntitlement(name, reason);
                return { success: true, data: result };
            } else if (status === 'comment') {
                const result = await procurementUtil.updateEntitlementMessage(name, reason);
                return { success: true, data: result };
            }
        } else if (state === 'ENTITLEMENT_PENDING_PLAN_CHANGE_APPROVAL') {
            // Handle approval and rejection for plan change approval
            // Do an entitlement get to find the current plan name and the new pending name
            // Parameter for getting the entitlement is the name: name.
            // const currentPlan = entitlement.currentPlan;
            if (status === 'approve') {
                // Approve plan change, this would only be for a manual approve.
                // An automated approval would be handled by a Pub/Sub notification.
                // Remove user from current policy and add to new plan related policy.
                // Re-factor removeEntitlement so that it doesn't call createOrUpdateAccount maybe, in order that we can remove and add using the same functions.
                const account = await accountManager.findMarketplaceAccount(projectId, entitlement.account);
                const existingPolicy = await policyManager.findMarketplacePolicy(projectId, entitlement.product, entitlement.plan);
                const pendingPolicy = await policyManager.findMarketplacePolicy(projectId, entitlement.product, entitlement.newPendingPlan);
                console.log(`Approving entitlement for account:${JSON.stringify(account)} from policy: ${JSON.stringify(existingPolicy)} to policy: ${JSON.stringify(pendingPolicy)}`);
                const result = await procurementUtil.approvePlanChange(name, entitlement.newPendingPlan);
                return { success: true, data: result };
            } else if (status === 'reject') {
                // No need to do anything further, existing plan and policy relations will remain the same.
                const result = await procurementUtil.rejectPlanChange(name, entitlement.newPendingPlan, reason);
                return { success: true, data: result };
            }
        }
    } catch (err) {
        console.error(err);
        return { success: false, errors: ['Failed to approve entitlement', err] };
    }
}