Commit 7584e76f6d
Verified · cmc
Layout: unified · split
gitbay/Repos/RepoActionsViewModel.swift added +112
| @@ -0,0 +1,112 @@ | |||
| 1 | import Foundation | ||
| 2 | import Observation | ||
| 3 | |||
| 4 | /// Fork, watch, mute and bookmark — the repository-level actions the | ||
| 5 | /// server exposes but does not describe fully back: | ||
| 6 | /// | ||
| 7 | /// - Watch/mute state is reported by no command at all (krz/gitbay#178), | ||
| 8 | /// so `watch()`/`unwatch()` only send their command and report the | ||
| 9 | /// result; they never track or infer a current state. | ||
| 10 | /// - Bookmark state has to be derived by listing `repo bookmarks` and | ||
| 11 | /// testing membership — there is no per-repo "is this bookmarked" call. | ||
| 12 | /// - `fork_of` is only on `repo fork`'s own response, never on `repo | ||
| 13 | /// show`, which is why `fork` hands its result back to the caller. | ||
| 14 | @Observable | ||
| 15 | @MainActor | ||
| 16 | final class RepoActionsViewModel { | ||
| 17 | |||
| 18 | /// `repo fork`'s result — the only place `fork_of` is reported. | ||
| 19 | nonisolated struct ForkResult: Decodable, Sendable, Hashable { | ||
| 20 | let path: String | ||
| 21 | let forkOf: String | ||
| 22 | |||
| 23 | enum CodingKeys: String, CodingKey { | ||
| 24 | case path | ||
| 25 | case forkOf = "fork_of" | ||
| 26 | } | ||
| 27 | } | ||
| 28 | |||
| 29 | /// `nil` until known or after a failed load. Never `false` for "could | ||
| 30 | /// not check" — that would draw the wrong control. | ||
| 31 | private(set) var isBookmarked: Bool? | ||
| 32 | private(set) var actionError: String? | ||
| 33 | private(set) var notice: String? | ||
| 34 | private(set) var working = false | ||
| 35 | |||
| 36 | private let client: GitbayClient | ||
| 37 | let repoPath: String | ||
| 38 | |||
| 39 | init(client: GitbayClient, repoPath: String) { | ||
| 40 | self.client = client | ||
| 41 | self.repoPath = repoPath | ||
| 42 | } | ||
| 43 | |||
| 44 | // MARK: - Bookmarks | ||
| 45 | |||
| 46 | /// `repo bookmarks` — plural, no repository argument. Membership in | ||
| 47 | /// the listing is the only signal the server gives for this repo. | ||
| 48 | func loadBookmarkState() async { | ||
| 49 | do { | ||
| 50 | let bookmarks = try await client.readList(["repo", "bookmarks"], of: RepoSummary.self) | ||
| 51 | isBookmarked = bookmarks.contains { $0.path == repoPath } | ||
| 52 | } catch { | ||
| 53 | // "We don't know" is not "not bookmarked". | ||
| 54 | isBookmarked = nil | ||
| 55 | } | ||
| 56 | } | ||
| 57 | |||
| 58 | func setBookmarked(_ bookmarked: Bool) async { | ||
| 59 | await perform(["repo", bookmarked ? "bookmark" : "unbookmark", repoPath]) | ||
| 60 | await loadBookmarkState() | ||
| 61 | } | ||
| 62 | |||
| 63 | // MARK: - Watch / mute | ||
| 64 | |||
| 65 | func watch() async { | ||
| 66 | await perform(["repo", "watch", repoPath]) | ||
| 67 | if actionError == nil { | ||
| 68 | notice = "You are now watching this repository." | ||
| 69 | } | ||
| 70 | } | ||
| 71 | |||
| 72 | func unwatch() async { | ||
| 73 | await perform(["repo", "unwatch", repoPath]) | ||
| 74 | if actionError == nil { | ||
| 75 | notice = "Notifications for this repository are muted." | ||
| 76 | } | ||
| 77 | } | ||
| 78 | |||
| 79 | // MARK: - Fork | ||
| 80 | |||
| 81 | func fork(named name: String?) async -> ForkResult? { | ||
| 82 | var argv = ["repo", "fork", repoPath] | ||
| 83 | if let name, !name.trimmingCharacters(in: .whitespaces).isEmpty { | ||
| 84 | argv += ["--name", name] | ||
| 85 | } | ||
| 86 | working = true | ||
| 87 | actionError = nil | ||
| 88 | defer { working = false } | ||
| 89 | do { | ||
| 90 | return try await client.run(argv, as: ForkResult.self) | ||
| 91 | } catch let error as GitbayError { | ||
| 92 | actionError = error.userFacingMessage | ||
| 93 | return nil | ||
| 94 | } catch { | ||
| 95 | actionError = GitbayError.transport(error).userFacingMessage | ||
| 96 | return nil | ||
| 97 | } | ||
| 98 | } | ||
| 99 | |||
| 100 | private func perform(_ argv: [String]) async { | ||
| 101 | working = true | ||
| 102 | actionError = nil | ||
| 103 | defer { working = false } | ||
| 104 | do { | ||
| 105 | try await client.run(argv) | ||
| 106 | } catch let error as GitbayError { | ||
| 107 | actionError = error.userFacingMessage | ||
| 108 | } catch { | ||
| 109 | actionError = GitbayError.transport(error).userFacingMessage | ||
| 110 | } | ||
| 111 | } | ||
| 112 | } | ||
gitbayTests/RepoActionTests.swift added +159
| @@ -0,0 +1,159 @@ | |||
| 1 | import Foundation | ||
| 2 | import Testing | ||
| 3 | @testable import gitbay | ||
| 4 | |||
| 5 | private func makeClient() throws -> (GitbayClient, StubProtocol.Box) { | ||
| 6 | let box = StubProtocol.box() | ||
| 7 | let client = GitbayClient( | ||
| 8 | instance: try GitbayInstance(url: "https://gitbay.org"), | ||
| 9 | token: "test-token", | ||
| 10 | session: box.session() | ||
| 11 | ) | ||
| 12 | return (client, box) | ||
| 13 | } | ||
| 14 | |||
| 15 | private func argvFrom(_ url: URL) -> [String] { | ||
| 16 | URLComponents(url: url, resolvingAgainstBaseURL: false)? | ||
| 17 | .queryItems?.filter { $0.name == "argv" }.compactMap(\.value) ?? [] | ||
| 18 | } | ||
| 19 | |||
| 20 | private func argvOf(_ seen: StubProtocol.Seen) throws -> [String] { | ||
| 21 | let body = try #require(try JSONSerialization.jsonObject(with: seen.body) as? [String: Any]) | ||
| 22 | return try #require(body["argv"] as? [String]) | ||
| 23 | } | ||
| 24 | |||
| 25 | private let bookmarks = """ | ||
| 26 | {"protocol_version":1,"data":[{"path":"krz/gitbay","visibility":"public"},\ | ||
| 27 | {"path":"krz/solar","visibility":"public"}],"exit_code":0} | ||
| 28 | """ | ||
| 29 | private let ok = """ | ||
| 30 | {"protocol_version":1,"exit_code":0} | ||
| 31 | """ | ||
| 32 | |||
| 33 | @MainActor | ||
| 34 | struct RepoActionsTests { | ||
| 35 | |||
| 36 | /// `repo bookmarks` is plural and takes NO repository argument. | ||
| 37 | @Test func theBookmarkListingTakesNoArgument() async throws { | ||
| 38 | let (client, stub) = try makeClient() | ||
| 39 | stub.enqueue(.init(status: 200, json: bookmarks)) | ||
| 40 | let model = RepoActionsViewModel(client: client, repoPath: "krz/gitbay") | ||
| 41 | await model.loadBookmarkState() | ||
| 42 | |||
| 43 | #expect(argvFrom(try #require(stub.seen.last).url) == ["repo", "bookmarks"]) | ||
| 44 | #expect(model.isBookmarked == true) | ||
| 45 | } | ||
| 46 | |||
| 47 | @Test func aRepoAbsentFromTheListingIsNotBookmarked() async throws { | ||
| 48 | let (client, stub) = try makeClient() | ||
| 49 | stub.enqueue(.init(status: 200, json: bookmarks)) | ||
| 50 | let model = RepoActionsViewModel(client: client, repoPath: "krz/other") | ||
| 51 | await model.loadBookmarkState() | ||
| 52 | |||
| 53 | #expect(model.isBookmarked == false) | ||
| 54 | } | ||
| 55 | |||
| 56 | /// "We don't know" is not "not bookmarked". A failed load must leave | ||
| 57 | /// the state unknown rather than claiming the repository is not | ||
| 58 | /// bookmarked, which would draw the wrong control. | ||
| 59 | @Test func aFailedListingLeavesTheStateUnknown() async throws { | ||
| 60 | let (client, stub) = try makeClient() | ||
| 61 | stub.enqueue(.init(status: 200, json: """ | ||
| 62 | {"protocol_version":1,"error":"denied","exit_code":4} | ||
| 63 | """)) | ||
| 64 | let model = RepoActionsViewModel(client: client, repoPath: "krz/gitbay") | ||
| 65 | await model.loadBookmarkState() | ||
| 66 | |||
| 67 | #expect(model.isBookmarked == nil) | ||
| 68 | } | ||
| 69 | |||
| 70 | @Test func bookmarkingAndUnbookmarkingAreDifferentCommands() async throws { | ||
| 71 | let (client, stub) = try makeClient() | ||
| 72 | stub.enqueue(.init(status: 200, json: bookmarks)) | ||
| 73 | let model = RepoActionsViewModel(client: client, repoPath: "krz/gitbay") | ||
| 74 | await model.loadBookmarkState() | ||
| 75 | |||
| 76 | stub.enqueue(.init(status: 200, json: ok)) | ||
| 77 | stub.enqueue(.init(status: 200, json: bookmarks)) | ||
| 78 | await model.setBookmarked(false) | ||
| 79 | var write = try #require(stub.seen.first { $0.method == "POST" }) | ||
| 80 | #expect(try argvOf(write) == ["repo", "unbookmark", "krz/gitbay"]) | ||
| 81 | |||
| 82 | let (client2, stub2) = try makeClient() | ||
| 83 | stub2.enqueue(.init(status: 200, json: bookmarks)) | ||
| 84 | let model2 = RepoActionsViewModel(client: client2, repoPath: "krz/other") | ||
| 85 | await model2.loadBookmarkState() | ||
| 86 | stub2.enqueue(.init(status: 200, json: ok)) | ||
| 87 | stub2.enqueue(.init(status: 200, json: bookmarks)) | ||
| 88 | await model2.setBookmarked(true) | ||
| 89 | write = try #require(stub2.seen.first { $0.method == "POST" }) | ||
| 90 | #expect(try argvOf(write) == ["repo", "bookmark", "krz/other"]) | ||
| 91 | } | ||
| 92 | |||
| 93 | @Test func watchAndUnwatchSendTheirOwnCommands() async throws { | ||
| 94 | let (client, stub) = try makeClient() | ||
| 95 | let model = RepoActionsViewModel(client: client, repoPath: "krz/gitbay") | ||
| 96 | |||
| 97 | stub.enqueue(.init(status: 200, json: ok)) | ||
| 98 | await model.watch() | ||
| 99 | #expect(try argvOf(try #require(stub.seen.last)) == ["repo", "watch", "krz/gitbay"]) | ||
| 100 | |||
| 101 | stub.enqueue(.init(status: 200, json: ok)) | ||
| 102 | await model.unwatch() | ||
| 103 | #expect(try argvOf(try #require(stub.seen.last)) == ["repo", "unwatch", "krz/gitbay"]) | ||
| 104 | } | ||
| 105 | |||
| 106 | @Test func forkingReturnsTheNewPath() async throws { | ||
| 107 | let (client, stub) = try makeClient() | ||
| 108 | stub.enqueue(.init(status: 200, json: """ | ||
| 109 | {"protocol_version":1,"data":{"path":"cmc/gitbay","fork_of":"krz/gitbay"},\ | ||
| 110 | "exit_code":0} | ||
| 111 | """)) | ||
| 112 | let model = RepoActionsViewModel(client: client, repoPath: "krz/gitbay") | ||
| 113 | let result = await model.fork(named: nil) | ||
| 114 | |||
| 115 | #expect(result?.path == "cmc/gitbay") | ||
| 116 | #expect(result?.forkOf == "krz/gitbay") | ||
| 117 | #expect(try argvOf(try #require(stub.seen.last)) == ["repo", "fork", "krz/gitbay"]) | ||
| 118 | } | ||
| 119 | |||
| 120 | @Test func forkingWithANameAppendsTheFlag() async throws { | ||
| 121 | let (client, stub) = try makeClient() | ||
| 122 | stub.enqueue(.init(status: 200, json: """ | ||
| 123 | {"protocol_version":1,"data":{"path":"cmc/mine","fork_of":"krz/gitbay"},\ | ||
| 124 | "exit_code":0} | ||
| 125 | """)) | ||
| 126 | let model = RepoActionsViewModel(client: client, repoPath: "krz/gitbay") | ||
| 127 | _ = await model.fork(named: "mine") | ||
| 128 | |||
| 129 | #expect(try argvOf(try #require(stub.seen.last)) | ||
| 130 | == ["repo", "fork", "krz/gitbay", "--name", "mine"]) | ||
| 131 | } | ||
| 132 | |||
| 133 | /// A blank name must not send an empty flag value. | ||
| 134 | @Test func forkingWithABlankNameOmitsTheFlag() async throws { | ||
| 135 | let (client, stub) = try makeClient() | ||
| 136 | stub.enqueue(.init(status: 200, json: """ | ||
| 137 | {"protocol_version":1,"data":{"path":"cmc/gitbay","fork_of":"krz/gitbay"},\ | ||
| 138 | "exit_code":0} | ||
| 139 | """)) | ||
| 140 | let model = RepoActionsViewModel(client: client, repoPath: "krz/gitbay") | ||
| 141 | _ = await model.fork(named: " ") | ||
| 142 | |||
| 143 | #expect(try argvOf(try #require(stub.seen.last)) == ["repo", "fork", "krz/gitbay"]) | ||
| 144 | } | ||
| 145 | |||
| 146 | @Test func aRefusedForkReturnsNilAndSurfaces() async throws { | ||
| 147 | let (client, stub) = try makeClient() | ||
| 148 | stub.enqueue(.init(status: 200, json: """ | ||
| 149 | {"protocol_version":1,"error":"a repository named gitbay already exists",\ | ||
| 150 | "exit_code":1} | ||
| 151 | """)) | ||
| 152 | let model = RepoActionsViewModel(client: client, repoPath: "krz/gitbay") | ||
| 153 | let result = await model.fork(named: nil) | ||
| 154 | |||
| 155 | #expect(result == nil) | ||
| 156 | #expect(model.actionError?.isEmpty == false) | ||
| 157 | #expect(model.working == false) | ||
| 158 | } | ||
| 159 | } | ||