Add aggregate script

.github/workflows/aggregate.yml

@@ -0,0 +1,33 @@
+name: Aggregate applicant data
+
+on:
+  push:
+    paths:
+      - "data/**"
+
+  # allow for manual deploys
+  workflow_dispatch:
+
+jobs:
+  aggregate:
+    runs-on: ubuntu-latest
+    if: vars.PROCESSOR_ENABLED == 'true' && contains(github.event.issue.labels.*.name, 'application')
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+
+      - name: Fetch processor
+        uses: dsaltares/fetch-gh-release-asset@1.1.1
+        with:
+          file: "processor"
+          target: "./processor"
+
+      - name: Aggregate applicant data
+        run: |
+          chmod +x ./processor
+          ./processor aggregate
+        env:
+          SENTRY_DSN: ${{ secrets.SENTRY_DSN }}
+          OP_BOT_PAT: ${{ secrets.OP_BOT_PAT }}
+          REPOSITORY_OWNER: ${{ github.repository_owner }}
+          REPOSITORY_NAME: ${{ github.event.repository.name }}

script/aggregator.go

@@ -0,0 +1,84 @@
+package main
+
+import (
+	"encoding/json"
+	"log"
+	"os"
+	"path/filepath"
+	"time"
+
+	"github.com/getsentry/sentry-go"
+)
+
+type ProjectEntry struct {
+	Project   Project   `json:"project"`
+	CreatedAt time.Time `json:"created_at"`
+}
+
+type Aggregator struct {
+	gitHub *GitHub
+}
+
+func (a *Aggregator) Aggregate() {
+	if err := a.gitHub.Init(); err != nil {
+		a.logErrorAndExit("could not initialize GitHub client", err)
+	}
+
+	dataDir := "./data"
+	var projectsList []ProjectEntry
+
+	if err := filepath.Walk(dataDir, func(path string, info os.FileInfo, err error) error {
+		if err != nil {
+			return err
+		}
+
+		// There may in the future be a non-JSON file living in
+		// this directory, so let's safeguard against that
+		if !info.IsDir() && filepath.Ext(path) == ".json" {
+			file, err := os.ReadFile(path)
+			if err != nil {
+				return err
+			}
+
+			var app Application
+			err = json.Unmarshal(file, &app)
+			if err != nil {
+				return err
+			}
+
+			projectEntry := ProjectEntry{
+				Project:   app.Project,
+				CreatedAt: app.CreatedAt,
+			}
+
+			projectsList = append(projectsList, projectEntry)
+		}
+
+		return nil
+	}); err != nil {
+		a.logErrorAndExit("failed to aggregate applicant data", err)
+	}
+
+	aggregateData, err := json.Marshal(projectsList)
+	if err != nil {
+		a.logErrorAndExit("failed to marshal projects into JSON", err)
+	}
+
+	outputFile := "./data.json"
+
+	if err := a.gitHub.UpdateFile(
+		outputFile,
+		aggregateData,
+		"Update applicant data",
+	); err != nil {
+		a.logErrorAndExit(
+			"could not create commit",
+			err,
+		)
+	}
+}
+
+func (a *Aggregator) logErrorAndExit(message string, err error) {
+	sentry.CaptureException(err)
+	log.Fatalf("Error aggregating data: %s: %s\n", message, err.Error())
+}

script/main.go

@@ -66,6 +66,11 @@ func main() {
 			application: &application,
 		}
 		approver.Approve()
+	case "aggregate":
+		aggregator := Aggregator{
+			gitHub: &github,
+		}
+		aggregator.Aggregate()
 	default:
 		fmt.Printf("Invalid command: %s\n", command)
 		printUsageAndExit()