bugger/Sources/Services/Feishu/FeishuService.swift

505 lines
19 KiB
Swift

import Foundation
final class FeishuService {
private let baseURL = "https://open.feishu.cn/open-apis"
private let session: URLSession
private let decoder: JSONDecoder
init(session: URLSession = .shared) {
self.session = session
let decoder = JSONDecoder()
decoder.keyDecodingStrategy = .convertFromSnakeCase
self.decoder = decoder
}
func fetchBugs(
config: AppConfig,
assigneeName: String,
accessToken: String,
userOpenId: String? = nil
) async throws -> [Bug] {
let records = try await fetchRecordsFiltered(
config: config,
assigneeName: assigneeName,
accessToken: accessToken,
userOpenId: userOpenId
)
return records
.map { BugMapper.map($0, config: config) }
.filter { bug in
bug.assignee.localizedCaseInsensitiveContains(assigneeName)
}
}
func fetchRecordCount(
appToken: String,
tableId: String,
accessToken: String
) async throws -> Int {
let page = try await fetchPage(
appToken: appToken,
tableId: tableId,
pageToken: nil,
pageSize: 1,
accessToken: accessToken
)
return page.total ?? page.items.count
}
// MARK: - Filtered fetch (3-tier fallback)
/// Fetch records using a 3-tier strategy:
/// 1. Search endpoint with open_id filter (Person-type fields, requires OAuth)
/// 2. List endpoint with CurrentValue filter (text-type fields)
/// 3. Unfiltered list (current behavior — fetch all, filter client-side)
private func fetchRecordsFiltered(
config: AppConfig,
assigneeName: String,
accessToken: String,
userOpenId: String?
) async throws -> [RecordItem] {
// Tier 1: search endpoint with open_id (Person fields)
if let openId = userOpenId, !openId.isEmpty {
do {
let records = try await searchRecords(
config: config,
accessToken: accessToken,
assigneeField: config.fieldMappings.assigneeField,
openId: openId
)
if !records.isEmpty {
BuggerLog.debug("FeishuService: tier 1 (search by open_id) returned \(records.count) records")
return records
}
BuggerLog.debug("FeishuService: tier 1 returned 0 records, falling back")
} catch {
BuggerLog.debug("FeishuService: tier 1 failed (\(error.localizedDescription)), falling back")
}
}
// Tier 2: list endpoint with CurrentValue filter (text fields)
let filterStr = "CurrentValue.[\(config.fieldMappings.assigneeField)]=\"\(assigneeName)\""
do {
let records = try await listAllRecords(
config: config,
accessToken: accessToken,
filter: filterStr
)
if !records.isEmpty {
BuggerLog.debug("FeishuService: tier 2 (list with filter) returned \(records.count) records")
return records
}
BuggerLog.debug("FeishuService: tier 2 returned 0 records, falling back")
} catch {
BuggerLog.debug("FeishuService: tier 2 failed (\(error.localizedDescription)), falling back")
}
// Tier 3: unfiltered list (original behavior)
BuggerLog.debug("FeishuService: tier 3 (unfiltered list)")
return try await listAllRecords(
config: config,
accessToken: accessToken,
filter: nil
)
}
// MARK: - List endpoint (GET /records)
private func listAllRecords(
config: AppConfig,
accessToken: String,
filter: String?
) async throws -> [RecordItem] {
var allRecords: [RecordItem] = []
var pageToken: String?
var pages = 0
let maxPages = 50
repeat {
pages += 1
guard pages <= maxPages else {
throw FeishuError.paginationLimitExceeded
}
let page = try await fetchPage(
appToken: config.appToken,
tableId: config.tableId,
pageToken: pageToken,
accessToken: accessToken,
filter: filter
)
allRecords.append(contentsOf: page.items)
pageToken = page.hasMore ? page.pageToken : nil
} while pageToken != nil
return allRecords
}
private func fetchPage(
appToken: String,
tableId: String,
pageToken: String?,
pageSize: Int = 500,
accessToken: String,
filter: String? = nil
) async throws -> RecordListData {
guard !appToken.isEmpty, !tableId.isEmpty else {
throw FeishuError.invalidConfiguration("App token and table ID must not be empty.")
}
guard var components = URLComponents(
string: "\(baseURL)/bitable/v1/apps/\(appToken)/tables/\(tableId)/records"
) else {
throw FeishuError.invalidConfiguration("App token or table ID contains invalid characters.")
}
var queryItems = [URLQueryItem(name: "page_size", value: String(pageSize))]
if let pageToken {
queryItems.append(URLQueryItem(name: "page_token", value: pageToken))
}
if let filter, !filter.isEmpty {
queryItems.append(URLQueryItem(name: "filter", value: filter))
}
components.queryItems = queryItems
guard let url = components.url else {
throw FeishuError.invalidConfiguration("Could not build records request URL.")
}
var request = URLRequest(url: url)
request.httpMethod = "GET"
request.setValue("Bearer \(accessToken)", forHTTPHeaderField: "Authorization")
request.timeoutInterval = 30
let (data, response) = try await session.data(for: request)
guard let httpResponse = response as? HTTPURLResponse else {
throw FeishuError.networkError(nil)
}
let rawBody = String(data: data, encoding: .utf8) ?? "<binary \(data.count)B>"
BuggerLog.debug("fetchPage: HTTP \(httpResponse.statusCode) body=\(String(rawBody.prefix(500)))")
if httpResponse.statusCode == 401 {
throw FeishuError.unauthorized
}
let apiResponse: FeishuAPIResponse<RecordListData>
do {
apiResponse = try decoder.decode(FeishuAPIResponse<RecordListData>.self, from: data)
} catch {
BuggerLog.error("fetchPage: decode FAILED: \(error)")
BuggerLog.error("fetchPage: raw body: \(String(rawBody.prefix(1000)))")
throw FeishuError.decodingError(error, rawBody: String(rawBody.prefix(200)))
}
guard apiResponse.code == 0, let pageData = apiResponse.data else {
throw FeishuError.apiError(code: apiResponse.code, message: apiResponse.msg)
}
return pageData
}
// MARK: - Attachment download (GET /drive/v1/medias/{file_token}/download)
/// Downloads a Bitable attachment by its file_token. Bitables with advanced
/// permissions require an `extra` query param for auth, e.g.
/// `{"bitablePerm":{"tableId":"...","attachments":{"<fieldId>":{"<recordId>":["<fileToken>"]}}}}`.
func downloadAttachment(fileToken: String, accessToken: String, extra: String? = nil) async throws -> Data {
guard var components = URLComponents(
string: "\(baseURL)/drive/v1/medias/\(fileToken)/download"
) else {
throw FeishuError.invalidConfiguration("Invalid attachment file token.")
}
if let extra {
components.queryItems = [URLQueryItem(name: "extra", value: extra)]
}
guard let url = components.url else {
throw FeishuError.invalidConfiguration("Could not build attachment download URL.")
}
var request = URLRequest(url: url)
request.httpMethod = "GET"
request.setValue("Bearer \(accessToken)", forHTTPHeaderField: "Authorization")
request.timeoutInterval = 60
let (data, response) = try await session.data(for: request)
guard let httpResponse = response as? HTTPURLResponse else {
throw FeishuError.networkError(nil)
}
if httpResponse.statusCode == 401 {
throw FeishuError.unauthorized
}
guard (200..<300).contains(httpResponse.statusCode) else {
let body = String(data: data, encoding: .utf8) ?? ""
BuggerLog.error("downloadAttachment: HTTP \(httpResponse.statusCode) body=\(String(body.prefix(300)))")
throw FeishuError.apiError(code: httpResponse.statusCode, message: String(body.prefix(200)))
}
return data
}
// MARK: - Field metadata (GET /fields)
/// Returns the table's field metadata. Select fields carry their options
/// (name/id/color); field IDs (fldXXX) are needed to build the `extra`
/// auth parameter for attachment downloads.
func fetchFields(
appToken: String,
tableId: String,
accessToken: String
) async throws -> [FieldItem] {
var result: [FieldItem] = []
var pageToken: String?
repeat {
guard var components = URLComponents(
string: "\(baseURL)/bitable/v1/apps/\(appToken)/tables/\(tableId)/fields"
) else {
throw FeishuError.invalidConfiguration("App token or table ID contains invalid characters.")
}
var queryItems = [URLQueryItem(name: "page_size", value: "100")]
if let pageToken {
queryItems.append(URLQueryItem(name: "page_token", value: pageToken))
}
components.queryItems = queryItems
guard let url = components.url else {
throw FeishuError.invalidConfiguration("Could not build fields request URL.")
}
var request = URLRequest(url: url)
request.httpMethod = "GET"
request.setValue("Bearer \(accessToken)", forHTTPHeaderField: "Authorization")
request.timeoutInterval = 30
let (data, response) = try await session.data(for: request)
guard let httpResponse = response as? HTTPURLResponse else {
throw FeishuError.networkError(nil)
}
if httpResponse.statusCode == 401 {
throw FeishuError.unauthorized
}
let apiResponse = try decoder.decode(FeishuAPIResponse<FieldListData>.self, from: data)
guard apiResponse.code == 0, let pageData = apiResponse.data else {
throw FeishuError.apiError(code: apiResponse.code, message: apiResponse.msg)
}
result.append(contentsOf: pageData.items)
pageToken = pageData.hasMore ? pageData.pageToken : nil
} while pageToken != nil
return result
}
// MARK: - Update record (PUT /records/{record_id})
/// Updates fields of a single record. Keys are field names. Included fields
/// are fully replaced; omitted fields are untouched. Select fields take the
/// option name; text fields take a plain string; attachment fields take a
/// full array of ["file_token": ...] entries.
func updateRecord(
appToken: String,
tableId: String,
recordId: String,
fields: [String: Any],
accessToken: String
) async throws {
guard let url = URL(
string: "\(baseURL)/bitable/v1/apps/\(appToken)/tables/\(tableId)/records/\(recordId)"
) else {
throw FeishuError.invalidConfiguration("Could not build record update URL.")
}
var request = URLRequest(url: url)
request.httpMethod = "PUT"
request.setValue("Bearer \(accessToken)", forHTTPHeaderField: "Authorization")
request.setValue("application/json; charset=utf-8", forHTTPHeaderField: "Content-Type")
request.timeoutInterval = 30
request.httpBody = try JSONSerialization.data(withJSONObject: ["fields": fields])
let (data, response) = try await session.data(for: request)
guard let httpResponse = response as? HTTPURLResponse else {
throw FeishuError.networkError(nil)
}
let rawBody = String(data: data, encoding: .utf8) ?? "<binary \(data.count)B>"
BuggerLog.debug("updateRecord: HTTP \(httpResponse.statusCode) body=\(String(rawBody.prefix(500)))")
if httpResponse.statusCode == 401 {
throw FeishuError.unauthorized
}
let apiResponse = try decoder.decode(FeishuAPIResponse<JSONValue>.self, from: data)
guard apiResponse.code == 0 else {
throw FeishuError.apiError(code: apiResponse.code, message: apiResponse.msg)
}
}
// MARK: - Media upload (POST /drive/v1/medias/upload_all)
/// Uploads an image into the Bitable's media store and returns its
/// file_token, which can then be added to an attachment field via
/// updateRecord. Max 20 MB; uploads must be sequential.
func uploadMedia(
appToken: String,
fileName: String,
data: Data,
mimeType: String,
accessToken: String
) async throws -> String {
guard let url = URL(string: "\(baseURL)/drive/v1/medias/upload_all") else {
throw FeishuError.invalidConfiguration("Could not build media upload URL.")
}
let boundary = "BuggerBoundary-\(UUID().uuidString)"
var body = Data()
func appendField(_ name: String, _ value: String) {
body.append("--\(boundary)\r\n".data(using: .utf8)!)
body.append("Content-Disposition: form-data; name=\"\(name)\"\r\n\r\n".data(using: .utf8)!)
body.append("\(value)\r\n".data(using: .utf8)!)
}
appendField("file_name", fileName)
appendField("parent_type", "bitable_image")
appendField("parent_node", appToken)
appendField("size", String(data.count))
appendField("checksum", String(adler32(data)))
appendField("extra", "{\"drive_route_token\":\"\(appToken)\"}")
body.append("--\(boundary)\r\n".data(using: .utf8)!)
body.append("Content-Disposition: form-data; name=\"file\"; filename=\"\(fileName)\"\r\n".data(using: .utf8)!)
body.append("Content-Type: \(mimeType)\r\n\r\n".data(using: .utf8)!)
body.append(data)
body.append("\r\n--\(boundary)--\r\n".data(using: .utf8)!)
var request = URLRequest(url: url)
request.httpMethod = "POST"
request.setValue("Bearer \(accessToken)", forHTTPHeaderField: "Authorization")
request.setValue("multipart/form-data; boundary=\(boundary)", forHTTPHeaderField: "Content-Type")
request.timeoutInterval = 120
request.httpBody = body
let (responseData, response) = try await session.data(for: request)
guard let httpResponse = response as? HTTPURLResponse else {
throw FeishuError.networkError(nil)
}
if httpResponse.statusCode == 401 {
throw FeishuError.unauthorized
}
let rawBody = String(data: responseData, encoding: .utf8) ?? "<binary \(responseData.count)B>"
BuggerLog.debug("uploadMedia: HTTP \(httpResponse.statusCode) body=\(String(rawBody.prefix(500)))")
let apiResponse = try decoder.decode(FeishuAPIResponse<UploadMediaData>.self, from: responseData)
guard apiResponse.code == 0, let token = apiResponse.data?.fileToken else {
throw FeishuError.apiError(code: apiResponse.code, message: apiResponse.msg)
}
return token
}
/// Adler-32 checksum as required by the media upload API.
private func adler32(_ data: Data) -> UInt32 {
var a: UInt32 = 1
var b: UInt32 = 0
for byte in data {
a = (a + UInt32(byte)) % 65521
b = (b + a) % 65521
}
return (b << 16) | a
}
// MARK: - Search endpoint (POST /records/search)
private func searchRecords(
config: AppConfig,
accessToken: String,
assigneeField: String,
openId: String
) async throws -> [RecordItem] {
var allRecords: [RecordItem] = []
var pageToken: String?
var pages = 0
let maxPages = 50
repeat {
pages += 1
guard pages <= maxPages else {
throw FeishuError.paginationLimitExceeded
}
let page = try await searchPage(
appToken: config.appToken,
tableId: config.tableId,
pageToken: pageToken,
accessToken: accessToken,
assigneeField: assigneeField,
openId: openId
)
allRecords.append(contentsOf: page.items)
pageToken = page.hasMore ? page.pageToken : nil
} while pageToken != nil
return allRecords
}
private func searchPage(
appToken: String,
tableId: String,
pageToken: String?,
accessToken: String,
assigneeField: String,
openId: String
) async throws -> RecordListData {
guard !appToken.isEmpty, !tableId.isEmpty else {
throw FeishuError.invalidConfiguration("App token and table ID must not be empty.")
}
let urlString = "\(baseURL)/bitable/v1/apps/\(appToken)/tables/\(tableId)/records/search"
guard let url = URL(string: urlString) else {
throw FeishuError.invalidConfiguration("Could not build search request URL.")
}
var body: [String: Any] = [
"page_size": 500,
"filter": [
"conjunction": "and",
"conditions": [
[
"field_name": assigneeField,
"operator": "is",
"value": [openId],
]
]
]
]
if let pageToken, !pageToken.isEmpty {
body["page_token"] = pageToken
}
var request = URLRequest(url: url)
request.httpMethod = "POST"
request.setValue("Bearer \(accessToken)", forHTTPHeaderField: "Authorization")
request.setValue("application/json; charset=utf-8", forHTTPHeaderField: "Content-Type")
request.timeoutInterval = 30
request.httpBody = try JSONSerialization.data(withJSONObject: body)
let (data, response) = try await session.data(for: request)
guard let httpResponse = response as? HTTPURLResponse else {
throw FeishuError.networkError(nil)
}
let rawBody = String(data: data, encoding: .utf8) ?? "<binary \(data.count)B>"
BuggerLog.debug("searchPage: HTTP \(httpResponse.statusCode) body=\(String(rawBody.prefix(500)))")
if httpResponse.statusCode == 401 {
throw FeishuError.unauthorized
}
let apiResponse: FeishuAPIResponse<RecordListData>
do {
apiResponse = try decoder.decode(FeishuAPIResponse<RecordListData>.self, from: data)
} catch {
BuggerLog.error("searchPage: decode FAILED: \(error)")
throw FeishuError.decodingError(error, rawBody: String(rawBody.prefix(200)))
}
guard apiResponse.code == 0, let pageData = apiResponse.data else {
throw FeishuError.apiError(code: apiResponse.code, message: apiResponse.msg)
}
return pageData
}
}