| 1 | //! Old addresses: a workspace's slug after a rename, and a repository's |
| 2 | //! path after a transfer. |
| 3 | //! |
| 4 | //! Old workspace slugs, after a rename. An operation that names a |
| 5 | //! repository (`owner/name`) or a workspace by a slug the workspace has |
| 6 | //! since been renamed from is run again under the slug it has now, so |
| 7 | //! scripts and agents written against the old address keep working while |
| 8 | //! it redirects. |
| 9 | |
| 10 | use g1t_contracts::identity::SlugArgs; |
| 11 | use serde_json::Value; |
| 12 | use worker::Result; |
| 13 | |
| 14 | use crate::operations::Services; |
| 15 | |
| 16 | /// The workspace slug an operation's input names: the owner in `repo`, or |
| 17 | /// `workspace`. |
| 18 | pub fn named_slug(input: &Value) -> Option<&str> { |
| 19 | input["repo"] |
| 20 | .as_str() |
| 21 | .and_then(|repo| repo.split_once('/')) |
| 22 | .map(|(owner, _)| owner) |
| 23 | .or_else(|| input["workspace"].as_str()) |
| 24 | .filter(|slug| !slug.is_empty()) |
| 25 | } |
| 26 | |
| 27 | /// `input` with `old` replaced by `new` wherever it names the workspace. |
| 28 | pub fn rewrite(input: &Value, old: &str, new: &str) -> Value { |
| 29 | let mut input = input.clone(); |
| 30 | if let Some(repo) = input["repo"].as_str() |
| 31 | && let Some((owner, name)) = repo.split_once('/') |
| 32 | && owner.eq_ignore_ascii_case(old) |
| 33 | { |
| 34 | input["repo"] = Value::String(format!("{new}/{name}")); |
| 35 | } |
| 36 | if input["workspace"] |
| 37 | .as_str() |
| 38 | .is_some_and(|workspace| workspace.eq_ignore_ascii_case(old)) |
| 39 | { |
| 40 | input["workspace"] = Value::String(new.to_owned()); |
| 41 | } |
| 42 | input |
| 43 | } |
| 44 | |
| 45 | /// The input under the workspace's current slug, if it names an old one. |
| 46 | pub async fn retarget(services: &Services, input: &Value) -> Result<Option<Value>> { |
| 47 | let Some(old) = named_slug(input) else { |
| 48 | return Ok(None); |
| 49 | }; |
| 50 | let current: Option<String> = g1t_kit::call( |
| 51 | &services.identity, |
| 52 | "resolve_slug", |
| 53 | &SlugArgs { |
| 54 | slug: old.to_owned(), |
| 55 | }, |
| 56 | ) |
| 57 | .await?; |
| 58 | Ok(current.map(|new| rewrite(input, old, &new))) |
| 59 | } |
| 60 | |
| 61 | /// The input under a transferred repository's path now, if `repo` names |
| 62 | /// the path it left. |
| 63 | pub async fn transferred(services: &Services, input: &Value) -> Result<Option<Value>> { |
| 64 | let Some((namespace, name)) = input["repo"].as_str().and_then(|repo| repo.split_once('/')) else { |
| 65 | return Ok(None); |
| 66 | }; |
| 67 | let now: Option<g1t_contracts::repos::RepoPath> = g1t_kit::call( |
| 68 | &services.repos, |
| 69 | "resolve_path", |
| 70 | &g1t_contracts::repos::ResolvePathArgs { |
| 71 | path: g1t_contracts::repos::RepoPath { |
| 72 | namespace: namespace.to_owned(), |
| 73 | name: name.to_owned(), |
| 74 | }, |
| 75 | }, |
| 76 | ) |
| 77 | .await?; |
| 78 | Ok(now.map(|path| moved_to(input, &format!("{}/{}", path.namespace, path.name)))) |
| 79 | } |
| 80 | |
| 81 | /// `input` with `repo` replaced by `path`. |
| 82 | pub fn moved_to(input: &Value, path: &str) -> Value { |
| 83 | let mut input = input.clone(); |
| 84 | input["repo"] = Value::String(path.to_owned()); |
| 85 | input |
| 86 | } |
| 87 | |
| 88 | #[cfg(test)] |
| 89 | mod tests { |
| 90 | use super::*; |
| 91 | use serde_json::json; |
| 92 | |
| 93 | #[test] |
| 94 | fn finds_the_slug_an_operation_names() { |
| 95 | assert_eq!(named_slug(&json!({ "repo": "acme/rocket" })), Some("acme")); |
| 96 | assert_eq!(named_slug(&json!({ "workspace": "acme" })), Some("acme")); |
| 97 | assert_eq!(named_slug(&json!({ "id": "x" })), None); |
| 98 | } |
| 99 | |
| 100 | #[test] |
| 101 | fn a_transferred_repository_is_named_by_its_new_path() { |
| 102 | let input = json!({ "repo": "syntaqx/g1t", "number": 4 }); |
| 103 | assert_eq!( |
| 104 | moved_to(&input, "flagon-io/g1t"), |
| 105 | json!({ "repo": "flagon-io/g1t", "number": 4 }) |
| 106 | ); |
| 107 | } |
| 108 | |
| 109 | #[test] |
| 110 | fn rewrites_only_the_old_slug() { |
| 111 | let input = json!({ "repo": "Acme/rocket", "workspace": "acme", "title": "acme/x" }); |
| 112 | assert_eq!( |
| 113 | rewrite(&input, "acme", "acme-inc"), |
| 114 | json!({ "repo": "acme-inc/rocket", "workspace": "acme-inc", "title": "acme/x" }) |
| 115 | ); |
| 116 | let other = json!({ "repo": "globex/rocket" }); |
| 117 | assert_eq!(rewrite(&other, "acme", "acme-inc"), other); |
| 118 | } |
| 119 | } |