bugger/Sources/Services/Feishu/FeishuService.swift

298 lines
10 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: - 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
}
}