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import { getAuthDetails, lookupUserAttributes } from "libs/api/auth/user";
import {
getDraftPackage,
getPackage,
isActiveDraftPackage,
isActiveMainNonDraftPackage,
isDeletedDraftPackage,
} from "libs/api/package";
import { response } from "libs/handler-lib";
import * as os from "libs/opensearch-lib";
import { getDomainAndNamespace } from "libs/utils";
import { getStatus, SEATOOL_STATUS } from "shared-types";
import { DRAFTABLE_EVENTS, type DraftableEvent, isStateUser } from "shared-utils";
import { z } from "zod";
import { authenticatedMiddy, ContextWithAuthenticatedUser } from "./middleware";
import { getUserByEmail } from "./user-management/userManagementService";
const MAX_DRAFT_DATA_BYTES = 1_000_000;
const draftDataSchema = z.record(z.unknown()).superRefine((draftData, ctx) => {
const draftDataBytes = Buffer.byteLength(JSON.stringify(draftData), "utf8");
if (draftDataBytes > MAX_DRAFT_DATA_BYTES) {
ctx.addIssue({
code: z.ZodIssueCode.custom,
message: `Draft data cannot exceed ${MAX_DRAFT_DATA_BYTES} bytes.`,
});
}
});
const eventToAuthority: Partial<Record<DraftableEvent, string>> = {
"new-medicaid-submission": "Medicaid SPA",
"new-chip-submission": "CHIP SPA",
"new-chip-details-submission": "CHIP SPA",
"capitated-initial": "1915(b)",
"capitated-renewal": "1915(b)",
"capitated-amendment": "1915(b)",
"contracting-initial": "1915(b)",
"contracting-renewal": "1915(b)",
"contracting-amendment": "1915(b)",
"app-k": "1915(c)",
};
const knownDraftAuthorities = new Set(["Medicaid SPA", "CHIP SPA", "1915(b)", "1915(c)"]);
const eventToActionType: Partial<Record<DraftableEvent, string>> = {
"capitated-initial": "New",
"capitated-renewal": "Renew",
"capitated-amendment": "Amend",
"contracting-initial": "New",
"contracting-renewal": "Renew",
"contracting-amendment": "Amend",
"temporary-extension": "Extend",
"app-k": "Amend",
};
const saveDraftEventSchema = z
.object({
body: z
.object({
id: z.string().trim().min(1),
originalDraftId: z.string().trim().min(1).optional(),
event: z.string(),
authority: z.string().optional(),
draftData: draftDataSchema,
ifSeqNo: z.number().int().nonnegative().optional(),
ifPrimaryTerm: z.number().int().nonnegative().optional(),
})
.strict(),
})
.passthrough();
export type SaveDraftEvent = APIGatewayEvent & z.infer<typeof saveDraftEventSchema>;
const DRAFT_ID_CONFLICT_MESSAGE =
"This package ID is already in use. Update the ID before saving or submitting.";
const DRAFT_CONCURRENCY_MESSAGE =
"Draft was updated by another user. Refresh this page and try saving again.";
type TemporaryExtensionDraftData = {
ids?: {
validAuthority?: {
authority?: unknown;
};
};
};
type OsUpdateVersionResponse = {
_seq_no?: number;
_primary_term?: number;
body?: {
_seq_no?: number;
_primary_term?: number;
};
};
const areJsonValuesEqual = (left: unknown, right: unknown) => {
return JSON.stringify(left) === JSON.stringify(right);
};
const unwrapUpdateVersionResponse = (updateResponse: unknown): OsUpdateVersionResponse => {
Eif (!updateResponse || typeof updateResponse !== "object") {
return {};
}
const result = updateResponse as OsUpdateVersionResponse;
return result.body ?? result;
};
const getTemporaryExtensionAuthority = (draftData: Record<string, unknown>) => {
return (draftData as TemporaryExtensionDraftData).ids?.validAuthority?.authority;
};
const resolveAuthority = (
eventName: DraftableEvent,
authority: string | undefined,
draftData: Record<string, unknown>,
) => {
const eventAuthority = eventToAuthority[eventName];
if (eventAuthority) return eventAuthority;
const normalizedAuthority = authority?.trim();
Iif (normalizedAuthority && knownDraftAuthorities.has(normalizedAuthority)) {
return normalizedAuthority;
}
Iif (
typeof draftData.authority === "string" &&
draftData.authority.trim() &&
knownDraftAuthorities.has(draftData.authority.trim())
) {
return draftData.authority.trim();
}
const nestedAuthority = getTemporaryExtensionAuthority(draftData);
if (
typeof nestedAuthority === "string" &&
nestedAuthority.trim() &&
knownDraftAuthorities.has(nestedAuthority.trim())
) {
return nestedAuthority.trim();
}
return undefined;
};
const isVersionConflictError = (error: unknown) => {
Eif (error && typeof error === "object") {
const osType = (error as { meta?: { body?: { error?: { type?: string } } } }).meta?.body?.error
?.type;
Eif (osType === "version_conflict_engine_exception") {
return true;
}
}
if (error instanceof Error) {
return error.message.includes("version_conflict_engine_exception");
}
return false;
};
const normalizeEmail = (email?: string | null) => email?.trim().toLowerCase() || "";
const canUserModifyDraft = (
sourceDraftPackage: Awaited<ReturnType<typeof getDraftPackage>>,
email: string,
) => {
const currentEmail = normalizeEmail(email);
Iif (!currentEmail || !isActiveDraftPackage(sourceDraftPackage)) {
return false;
}
const source = sourceDraftPackage?._source;
const actorEmails = [
source?.draft?.createdByEmail,
source?.draft?.draftOwnerEmail,
source?.draft?.updatedByEmail,
source?.submitterEmail,
].map(normalizeEmail);
return actorEmails.some((actorEmail) => actorEmail && actorEmail === currentEmail);
};
export const handler = authenticatedMiddy({
opensearch: true,
setToContext: true,
eventSchema: saveDraftEventSchema,
}).handler(async (event: SaveDraftEvent, context: ContextWithAuthenticatedUser) => {
Iif (!event.body) {
return response({
statusCode: 400,
body: { message: "Event body required" },
});
}
const {
id,
originalDraftId,
event: eventName,
authority,
draftData,
ifSeqNo,
ifPrimaryTerm,
} = event.body;
Iif (!DRAFTABLE_EVENTS.includes(eventName as DraftableEvent)) {
return response({
statusCode: 400,
body: { message: `Drafts are not supported for event ${eventName}` },
});
}
const normalizedId = id.toUpperCase();
const normalizedOriginalDraftId = originalDraftId?.toUpperCase();
const stateCode = normalizedId.slice(0, 2);
if (!context.authenticatedUser || !isStateUser(context.authenticatedUser)) {
return response({
statusCode: 403,
body: { message: "Only state users can save drafts." },
});
}
const userStates = context.authenticatedUser.states?.map((state) => state.toUpperCase()) || [];
if (!userStates.includes(stateCode)) {
return response({
statusCode: 403,
body: { message: "Not authorized to view this resource" },
});
}
if (normalizedOriginalDraftId && !userStates.includes(normalizedOriginalDraftId.slice(0, 2))) {
return response({
statusCode: 403,
body: { message: "Not authorized to view this resource" },
});
}
const existingMainPackage = await getPackage(normalizedId);
const existingDraftPackage = await getDraftPackage(normalizedId);
const sourceDraftPackage =
normalizedOriginalDraftId && normalizedOriginalDraftId !== normalizedId
? await getDraftPackage(normalizedOriginalDraftId)
: existingDraftPackage;
Iif (isActiveMainNonDraftPackage(existingMainPackage)) {
return response({
statusCode: 409,
body: { message: DRAFT_ID_CONFLICT_MESSAGE },
});
}
Iif (normalizedOriginalDraftId && !isActiveDraftPackage(sourceDraftPackage)) {
return response({
statusCode: 404,
body: { message: "No record found for the given id" },
});
}
const isSavingExistingDraftAtSameId =
normalizedOriginalDraftId !== undefined && normalizedOriginalDraftId === normalizedId;
const hasActiveDraftAtTarget = isActiveDraftPackage(existingDraftPackage);
const isRetryOfOwnedNewDraftSave =
normalizedOriginalDraftId === undefined &&
hasActiveDraftAtTarget &&
canUserModifyDraft(existingDraftPackage, context.authenticatedUser.email) &&
areJsonValuesEqual(existingDraftPackage?._source?.draft?.data, draftData);
if (hasActiveDraftAtTarget && !isSavingExistingDraftAtSameId) {
if (isRetryOfOwnedNewDraftSave) {
return response({
statusCode: 200,
body: {
message: "Draft saved",
id: normalizedId,
...(typeof existingDraftPackage?._seq_no === "number" &&
typeof existingDraftPackage?._primary_term === "number" && {
seqNo: existingDraftPackage._seq_no,
primaryTerm: existingDraftPackage._primary_term,
}),
},
});
}
return response({
statusCode: 409,
body: { message: DRAFT_ID_CONFLICT_MESSAGE },
});
}
const authDetails = getAuthDetails(event);
const userAttr = await lookupUserAttributes(authDetails.userId, authDetails.poolId);
const user = await getUserByEmail(userAttr.email);
Iif (!user) {
return response({
statusCode: 400,
body: { message: "User does not exist in User OpenSearch Index" },
});
}
const savedAt = new Date().toISOString();
const { stateStatus, cmsStatus } = getStatus(SEATOOL_STATUS.DRAFT);
const draftEventName = eventName as DraftableEvent;
const resolvedAuthority = resolveAuthority(draftEventName, authority, draftData);
if (!resolvedAuthority) {
return response({
statusCode: 400,
body: {
message:
draftEventName === "temporary-extension"
? "Please select a Temporary Extension Type before saving."
: "Authority is required before saving.",
},
});
}
const hasActiveSourceDraft = isActiveDraftPackage(sourceDraftPackage);
const activeSourceDraft = hasActiveSourceDraft ? sourceDraftPackage : undefined;
const hasDeletedDraftInDraftIndex = isDeletedDraftPackage(existingDraftPackage);
const hasVersionFromRequest =
typeof ifSeqNo === "number" &&
typeof ifPrimaryTerm === "number" &&
Number.isInteger(ifSeqNo) &&
Number.isInteger(ifPrimaryTerm) &&
ifSeqNo >= 0 &&
ifPrimaryTerm >= 0;
const requestVersion = hasVersionFromRequest
? { if_seq_no: ifSeqNo, if_primary_term: ifPrimaryTerm }
: undefined;
const hasVersionInExistingDraft =
typeof existingDraftPackage?._seq_no === "number" &&
typeof existingDraftPackage?._primary_term === "number";
if (hasActiveSourceDraft) {
if (!hasVersionFromRequest) {
return response({
statusCode: 409,
body: { message: DRAFT_CONCURRENCY_MESSAGE },
});
}
const hasVersionInSourceDraft =
typeof sourceDraftPackage?._seq_no === "number" &&
typeof sourceDraftPackage?._primary_term === "number";
if (
hasVersionInSourceDraft &&
(ifSeqNo !== activeSourceDraft?._seq_no || ifPrimaryTerm !== activeSourceDraft?._primary_term)
) {
return response({
statusCode: 409,
body: { message: DRAFT_CONCURRENCY_MESSAGE },
});
}
}
const sourceDraft = activeSourceDraft?._source?.draft;
const createdAt = sourceDraft?.createdAt ?? sourceDraft?.savedAt ?? savedAt;
const createdByEmail =
sourceDraft?.createdByEmail ??
sourceDraft?.draftOwnerEmail ??
activeSourceDraft?._source?.submitterEmail ??
user.email;
const createdByName =
sourceDraft?.createdByName ??
sourceDraft?.draftOwnerName ??
activeSourceDraft?._source?.submitterName ??
user.fullName;
const record = {
id: normalizedId,
authority: resolvedAuthority,
state: stateCode,
deleted: false,
seatoolStatus: SEATOOL_STATUS.DRAFT,
stateStatus,
cmsStatus,
origin: "OneMAC",
makoChangedDate: savedAt,
changedDate: savedAt,
statusDate: savedAt,
submitterName: user.fullName,
submitterEmail: user.email,
...(eventToActionType[draftEventName] && {
actionType: eventToActionType[draftEventName],
}),
event: draftEventName,
draft: {
savedAt,
createdAt,
createdByEmail,
createdByName,
updatedAt: savedAt,
updatedByEmail: user.email,
updatedByName: user.fullName,
draftOwnerEmail: createdByEmail,
draftOwnerName: createdByName,
data: draftData,
},
};
const { domain, index } = getDomainAndNamespace("draftmain");
const shouldUpsert = existingDraftPackage?.found !== true;
const shouldUseCompareAndWrite = hasActiveDraftAtTarget && isSavingExistingDraftAtSameId;
const shouldReplaceDeletedDraft = hasDeletedDraftInDraftIndex;
const deletedDraftVersion =
shouldReplaceDeletedDraft && hasVersionInExistingDraft
? {
if_seq_no: existingDraftPackage?._seq_no,
if_primary_term: existingDraftPackage?._primary_term,
}
: undefined;
const updateVersion =
shouldUseCompareAndWrite && requestVersion ? requestVersion : (deletedDraftVersion ?? {});
let updateResponse;
try {
updateResponse = await os.updateData(domain, {
index,
id: normalizedId,
refresh: true,
...updateVersion,
body: {
...(shouldReplaceDeletedDraft
? {
script: {
lang: "painless",
source: "ctx._source = params.record",
params: {
record,
},
},
}
: {
doc: record,
doc_as_upsert: shouldUpsert,
}),
},
});
} catch (error) {
Eif (isVersionConflictError(error)) {
return response({
statusCode: 409,
body: { message: DRAFT_CONCURRENCY_MESSAGE },
});
}
throw error;
}
if (normalizedOriginalDraftId && normalizedOriginalDraftId !== normalizedId) {
Iif (!userStates.includes(normalizedOriginalDraftId.slice(0, 2))) {
return response({
statusCode: 403,
body: { message: "Not authorized to view this resource" },
});
}
try {
await os.updateData(domain, {
index,
id: normalizedOriginalDraftId,
refresh: true,
...(hasVersionFromRequest && requestVersion ? requestVersion : {}),
body: {
doc: {
deleted: true,
changedDate: savedAt,
makoChangedDate: savedAt,
statusDate: savedAt,
},
doc_as_upsert: false,
},
});
} catch (error) {
try {
await os.updateData(domain, {
index,
id: normalizedId,
refresh: true,
body: {
doc: {
deleted: true,
changedDate: savedAt,
makoChangedDate: savedAt,
statusDate: savedAt,
},
doc_as_upsert: false,
},
});
} catch (rollbackError) {
console.error("Failed to roll back moved draft after source draft delete failed", {
originalDraftId: normalizedOriginalDraftId,
newDraftId: normalizedId,
rollbackError,
});
}
if (isVersionConflictError(error)) {
return response({
statusCode: 409,
body: { message: DRAFT_CONCURRENCY_MESSAGE },
});
}
throw error;
}
}
const updateResult = unwrapUpdateVersionResponse(updateResponse);
const seqNo = typeof updateResult?._seq_no === "number" ? updateResult._seq_no : undefined;
const primaryTerm =
typeof updateResult?._primary_term === "number" ? updateResult._primary_term : undefined;
return response({
statusCode: 200,
body: {
message: "Draft saved",
id: normalizedId,
...(typeof seqNo === "number" && typeof primaryTerm === "number" && { seqNo, primaryTerm }),
},
});
});
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