71 lines
2.4 KiB
Swift
71 lines
2.4 KiB
Swift
//
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// APIService+Follower.swift
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// Mastodon
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//
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// Created by Cirno MainasuK on 2021-11-1.
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//
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import UIKit
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import Combine
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import CoreData
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import CoreDataStack
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import CommonOSLog
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import MastodonSDK
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extension APIService {
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func followers(
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userID: Mastodon.Entity.Account.ID,
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maxID: String?,
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authorizationBox: MastodonAuthenticationBox
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) -> AnyPublisher<Mastodon.Response.Content<[Mastodon.Entity.Account]>, Error> {
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let domain = authorizationBox.domain
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let authorization = authorizationBox.userAuthorization
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let requestMastodonUserID = authorizationBox.userID
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let query = Mastodon.API.Account.FollowerQuery(
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maxID: maxID,
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limit: nil
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)
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return Mastodon.API.Account.followers(
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session: session,
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domain: domain,
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userID: userID,
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query: query,
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authorization: authorization
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)
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.flatMap { response -> AnyPublisher<Mastodon.Response.Content<[Mastodon.Entity.Account]>, Error> in
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let managedObjectContext = self.backgroundManagedObjectContext
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return managedObjectContext.performChanges {
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let requestMastodonUserRequest = MastodonUser.sortedFetchRequest
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requestMastodonUserRequest.predicate = MastodonUser.predicate(domain: domain, id: requestMastodonUserID)
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requestMastodonUserRequest.fetchLimit = 1
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guard let requestMastodonUser = managedObjectContext.safeFetch(requestMastodonUserRequest).first else { return }
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for entity in response.value {
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_ = APIService.CoreData.createOrMergeMastodonUser(
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into: managedObjectContext,
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for: requestMastodonUser,
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in: domain,
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entity: entity,
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userCache: nil,
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networkDate: response.networkDate,
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log: .api
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)
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}
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}
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.tryMap { result -> Mastodon.Response.Content<[Mastodon.Entity.Account]> in
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switch result {
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case .success:
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return response
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case .failure(let error):
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throw error
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}
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}
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.eraseToAnyPublisher()
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}
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.eraseToAnyPublisher()
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}
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}
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