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0b9dc2e | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 | import { ApiError, client, getBaseUrl, getUserId } from './client';
import type {
CreateKnowledgeBaseRequest,
CreateKnowledgeBaseResponse,
KbMiddlewareParametersSchemaResponse,
KnowledgeBaseView,
ListKbEmbeddingModelsResponse,
ListKnowledgeBasesResponse,
ListKnowledgeDocumentsResponse,
ListKnowledgeDocumentStatusResponse,
ListSupportedContentTypesResponse,
SearchKnowledgeBaseRequest,
SearchKnowledgeBaseResponse,
UpdateKnowledgeBaseRequest,
UploadKnowledgeDocumentResponse,
} from './types';
/**
* Callback invoked while bytes are pushed across the wire.
*
* - `loaded` — bytes already sent.
* - `total` — total bytes (may be 0 when the browser cannot compute it,
* e.g. for chunked encodings).
*/
export interface UploadProgress {
loaded: number;
total: number;
}
export interface UploadDocumentOptions {
/** Fired with byte-level progress while the body is streamed. */
onProgress?: (progress: UploadProgress) => void;
/**
* Caller-supplied abort signal. Aborting before the server has
* responded rejects the returned promise with a `DOMException` of
* `name === "AbortError"`; aborting after a response has come back
* is a no-op.
*/
signal?: AbortSignal;
}
/**
* XHR-based upload — `fetch` does not surface byte-level send
* progress in any current browser, so multipart uploads that drive a
* progress UI have to fall back to XMLHttpRequest.
*/
function uploadDocumentXhr(
knowledgeBaseId: string,
file: File,
options: UploadDocumentOptions = {},
): Promise<UploadKnowledgeDocumentResponse> {
const { onProgress, signal } = options;
const formData = new FormData();
formData.append('file', file);
return new Promise((resolve, reject) => {
if (signal?.aborted) {
reject(new DOMException('Aborted', 'AbortError'));
return;
}
const xhr = new XMLHttpRequest();
const url = new URL(`/knowledge_bases/${knowledgeBaseId}/documents`, getBaseUrl());
xhr.open('POST', url.toString(), true);
xhr.setRequestHeader('X-User-ID', getUserId());
const onAbort = () => xhr.abort();
signal?.addEventListener('abort', onAbort, { once: true });
const cleanup = () => signal?.removeEventListener('abort', onAbort);
if (xhr.upload && onProgress) {
xhr.upload.onprogress = (e) => {
onProgress({
loaded: e.loaded,
total: e.lengthComputable ? e.total : 0,
});
};
}
xhr.onload = () => {
cleanup();
if (xhr.status >= 200 && xhr.status < 300) {
try {
resolve(JSON.parse(xhr.responseText) as UploadKnowledgeDocumentResponse);
} catch (e) {
reject(e);
}
return;
}
let detail = xhr.responseText || xhr.statusText;
try {
const json = JSON.parse(xhr.responseText) as {
detail?: unknown;
};
if (typeof json.detail === 'string') detail = json.detail;
else if (json.detail !== undefined) detail = JSON.stringify(json.detail);
} catch {
// keep raw text
}
reject(new ApiError(xhr.status, detail));
};
xhr.onerror = () => {
cleanup();
reject(new ApiError(0, 'Network error'));
};
xhr.onabort = () => {
cleanup();
reject(new DOMException('Aborted', 'AbortError'));
};
xhr.send(formData);
});
}
/**
* Client for the `/knowledge_bases` router.
*/
export const knowledgeBaseApi = {
list: () => client.get<ListKnowledgeBasesResponse>('/knowledge_bases/'),
listEmbeddingModels: () =>
client.get<ListKbEmbeddingModelsResponse>('/knowledge_bases/embedding_models'),
/** Fetch the JSON Schema describing the KB middleware's tunable params. */
middlewareParametersSchema: () =>
client.get<KbMiddlewareParametersSchemaResponse>(
'/knowledge_bases/middleware/parameters_schema',
),
/** List the union of media types + extensions every parser accepts. */
supportedContentTypes: () =>
client.get<ListSupportedContentTypesResponse>('/knowledge_bases/supported_content_types'),
create: (body: CreateKnowledgeBaseRequest) =>
client.post<CreateKnowledgeBaseResponse>('/knowledge_bases/', body),
update: (knowledgeBaseId: string, body: UpdateKnowledgeBaseRequest) =>
client.patch<KnowledgeBaseView>(`/knowledge_bases/${knowledgeBaseId}`, body),
delete: (knowledgeBaseId: string) => client.delete(`/knowledge_bases/${knowledgeBaseId}`),
/** List every document registered against a knowledge base. */
listDocuments: (knowledgeBaseId: string) =>
client.get<ListKnowledgeDocumentsResponse>(`/knowledge_bases/${knowledgeBaseId}/documents`),
/**
* Batch-query lifecycle status for a list of documents.
*
* Missing ids are silently omitted by the server, so the response
* may be shorter than the input. An empty `ids` short-circuits
* locally — the backend treats an empty list as a 200 with
* `items: []`, but skipping the round-trip is friendlier to the
* polling loop.
*/
getDocumentStatus: (knowledgeBaseId: string, ids: string[]) => {
if (ids.length === 0) {
return Promise.resolve<ListKnowledgeDocumentStatusResponse>({
items: [],
});
}
return client.get<ListKnowledgeDocumentStatusResponse>(
`/knowledge_bases/${knowledgeBaseId}/documents/status`,
{ ids: ids.join(',') },
);
},
uploadDocument: (knowledgeBaseId: string, file: File, options?: UploadDocumentOptions) =>
uploadDocumentXhr(knowledgeBaseId, file, options),
deleteDocument: (knowledgeBaseId: string, documentId: string) =>
client.delete(`/knowledge_bases/${knowledgeBaseId}/documents/${documentId}`),
search: (knowledgeBaseId: string, body: SearchKnowledgeBaseRequest) =>
client.post<SearchKnowledgeBaseResponse>(
`/knowledge_bases/${knowledgeBaseId}/search`,
body,
),
};
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