adjust management of dates

.github/workflows/addDatesMeta.yml

@@ -23,40 +23,21 @@ jobs:
           git config --global user.email '[email protected]'
           git config --global core.quotePath false
 
-      - name: Get dates meta
+      - name: get inputs for job
         run: |
-          # Load existing metadata.json into a variable
-          if [[ -f "metadata.json" ]]; then
-            json=$(<metadata.json)
-          else
-            json="{}"  # Start with an empty JSON if metadata.json doesn't exist
-          fi
-
-          # Use jq to ensure json is formatted correctly
-          json=$(echo "$json" | jq '.')
-
-          # Get modified files in the current commit
-          modified_files=$(git diff --name-only HEAD~1 HEAD)
-
-          # Echo modified files
-          echo "Modified files in the current commit:"
-          echo "$modified_files"
-
-          # Update dates for modified files only
-          for filename in $modified_files; do
-            # Only proceed if file exists in repo and isn't hidden or in hidden folders
-            if [[ -f "$filename" ]] && [[ ! "$filename" =~ ^\. ]] && [[ ! "$filename" =~ /\. ]]; then
-              date=$(git log -1 --format="%aI" -- "$filename")
-              # Update the JSON object with the new date for the modified file
-              json=$(echo "$json" | jq --arg file "$filename" --arg date "$date" '.[$file] = $date')
-            fi
-          done
-
-          # Save the updated JSON to metadata.json
-          echo "$json" > metadata.json
-
-      - name: Display metadata.json content
-        run: cat metadata.json
+          all_files=$(git ls-tree -r --name-only HEAD)
+          files_modified=$(git diff --name-only HEAD~1 HEAD)
+          existing_meta=$(cat metadata.json)
+          echo "all_files=$all_files" >> $GITHUB_ENV
+          echo "files_modified=$files_modified" >> $GITHUB_ENV
+          echo "existing_meta=$existing_meta" >> $GITHUB_ENV
+      - name: Run dates.js
+        uses: ./actions/dates
+        with:
+          token: ${{ secrets.GITHUB_TOKEN }}
+          all-files: ${{ env.all_files }}
+          files-modified: ${{ env.files_modified }}
+          existing-meta: ${{ env.existing_meta }}
 
       - name: Commit if different
         run: |

.gitignore

@@ -1,3 +1,4 @@
 .DS_Store
 .ignore
-~$*
+~$*
+node_modules

actions/dates/action.yml

@@ -0,0 +1,20 @@
+name: "dates-meta"
+description: "Maintain metadata of files in the repository"
+author: "Wk"
+
+runs:
+  using: "node20"
+  main: "dates.js"
+inputs:
+  token:
+    description: "Repo Access Token"
+    required: true
+  all-files:
+    description: "All files in the repo"
+    required: true
+  files-modified:
+    description: "Files modified in the current commit"
+    required: true
+  existing-meta:
+    description: "Existing metadata.json"
+    required: true

actions/dates/dates.js

@@ -0,0 +1,50 @@
+const core = require("@actions/core");
+const github = require("@actions/github");
+
+async function run() {
+  try {
+    // `who-to-greet` input defined in action metadata file
+    const accessToken = core.getInput("token");
+    const octokit = github.getOctokit(accessToken);
+    const allFilesInGit = core.getInput("all-files");
+    const filesModifiedInCommit = core.getInput("files-modified");
+    const exisitingMetadataJson = core.getInput("existing-meta");
+
+    const metaParsed = JSON.parse(exisitingMetadataJson); //Record<string string>
+    const filesModifiedArr = filesModifiedInCommit.split("\n");
+    const allFilesInGitArr = filesModifiedInCommit.split("\n");
+
+    const metadataUpdated = Object.entries(allFilesInGitArr).reduce(
+      (acc, [key, value]) => {
+        if (!allFilesInGit.includes(key)) {
+          // If this key is in the metadata but not our project any more, don't return it;
+          return acc;
+        }
+        if (filesModifiedArr.includes(key)) {
+          //file has been updated;
+          acc[key] = new Date().toISOString();
+          return acc;
+        }
+        // file has not been updated
+        acc[key] = metaParsed[key];
+        return acc;
+      },
+      {}
+    );
+    const stringified = JSON.stringify(metadataUpdated);
+    if (stringified !== exisitingMetadataJson) {
+      // commit if the metadata has changed
+      await octokit.rest.repos.createOrUpdateFileContents({
+        ...github.context.repo,
+        path: "metadata.json",
+        message: "Automated Update of metadata.json with latest file dates",
+        content: JSON.stringify(metadataUpdated),
+        sha: github.context.sha,
+      });
+    }
+  } catch (error) {
+    core.setFailed(error.message);
+  }
+}
+
+run();