From fa3a78ec76d0536c6bad391be8a1859b2b81120f Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Edgar=20Ram=C3=ADrez-Mondrag=C3=B3n?= <edgarrm358@gmail.com>
Date: Tue, 13 Aug 2024 19:54:54 -0600
Subject: [PATCH] BREAKING CHANGE: Use project API endpoint to get details

Closes https://github.com/readthedocs/actions/issues/42
---
 preview/README.md                   |  2 --
 preview/action.yaml                 |  8 --------
 preview/scripts/edit-description.js | 25 +++++++++++++++++++------
 3 files changed, 19 insertions(+), 16 deletions(-)

diff --git a/preview/README.md b/preview/README.md
index fe7eb6d..b717408 100644
--- a/preview/README.md
+++ b/preview/README.md
@@ -52,8 +52,6 @@ the description will be edited to include the link to Read the Docs' documentati
 
 These are all the parameters this action supports:
 * `project-slug` (**_required_**): Project's slug on Read the Docs. You can find it on your Read the Docs project's details page in the right menu under "Project Slug".
-* `project-language` (_optional_): Project's language code on Read the Docs. Example: `en` for English, `es` for Spanish, etc. (default: `en`)
 * `message-template` (_optional_): Text message to be injected by the action in the Pull Request description. It supports the following placeholders to be replaced:
   * `{docs-pr-index-url}`: URL to the root of the documentation for the Pull Request preview.
 * `platform` (_optional_): Read the Docs Community (`community`) or Read the Docs for Business (`business`). (default: `community`)
-* `single-version` (_optional_): Set this to `'true'` if your project is single version, so we can link to the correct URL. (default: `'false'`)
diff --git a/preview/action.yaml b/preview/action.yaml
index 2615b4e..35f92c6 100644
--- a/preview/action.yaml
+++ b/preview/action.yaml
@@ -10,10 +10,6 @@ inputs:
   project-slug:
     description: "Project's slug on Read the Docs"
     required: true
-  project-language:
-    description: "Project's language on Read the Docs"
-    default: "en"
-    required: false
   message-template:
     description: "Template message to use for the PR body"
     default: |
@@ -24,10 +20,6 @@ inputs:
     description: "Read the Docs Community or Read the Docs for Business (community or business)"
     default: "community"
     required: false
-  single-version:
-    description: "Site is a single version project, so link to the top level."
-    default: 'false'
-    required: false
 
 runs:
   using: "composite"
diff --git a/preview/scripts/edit-description.js b/preview/scripts/edit-description.js
index b4b739e..2dc4eca 100644
--- a/preview/scripts/edit-description.js
+++ b/preview/scripts/edit-description.js
@@ -1,26 +1,39 @@
-module.exports = async ({inputs, github, context}) => {
+module.exports = async ({ inputs, github, context }) => {
     const PR_NUMBER = context.issue.number;
     const RTD_PROJECT_SLUG = inputs["project-slug"];
-    const RTD_PROJECT_LANGUAGE = inputs["project-language"];
     const RTD_PLATFORM = inputs["platform"];
-    const RTD_SINGLE_VERSION = inputs["single-version"];
 
     let RTD_DOMAIN = "";
     let RTD_URL = "";
+    let RTD_PROJECT_ENDPOINT = "";
 
     if (RTD_PLATFORM === "community") {
         RTD_DOMAIN = "org.readthedocs.build";
+        RTD_PROJECT_ENDPOINT = `https://readthedocs.org/api/v3/projects/${RTD_PROJECT_SLUG}/`;
     } else if (RTD_PLATFORM === "business") {
         RTD_DOMAIN = "com.readthedocs.build";
+        RTD_PROJECT_ENDPOINT = `https://readthedocs.com/api/v3/projects/${RTD_PROJECT_SLUG}/`;
     } else {
         // Log warning here?
     }
     const RTD_PROJECT_DOMAIN = `https://${RTD_PROJECT_SLUG}--${PR_NUMBER}.${RTD_DOMAIN}/`;
 
-    if (RTD_SINGLE_VERSION === "true") {
+    // Get project details from the RTD API
+    const project = await fetch(RTD_PROJECT_ENDPOINT, {}).catch((error) => {
+        throw new Error(`Failed to fetch project details from Read the Docs API: ${error}`);
+    }).then((response) => {
+        if (!response.ok) {
+            throw new Error(`Failed to fetch project details from Read the Docs API: ${project.statusText}`);
+        }
+        return response.json();
+    });
+
+    if (project.versioning_scheme === "single_version_without_translations") {
         RTD_URL = RTD_PROJECT_DOMAIN;
-    } else {
-        RTD_URL = RTD_PROJECT_DOMAIN + `${RTD_PROJECT_LANGUAGE}/${PR_NUMBER}/`;
+    } else if (project.versioning_scheme === "multiple_versions_with_translations") {
+        RTD_URL = RTD_PROJECT_DOMAIN + `${project.language.code}/${PR_NUMBER}/`;
+    } else if (project.versioning_scheme === "multiple_versions_without_translations") {
+        RTD_URL = RTD_PROJECT_DOMAIN + `${PR_NUMBER}/`;
     }
 
     const MESSAGE_SEPARATOR_START = `\r\n\r\n<!-- readthedocs-preview ${RTD_PROJECT_SLUG} start -->\r\n`;