From 62bfbfcd31fc750fffcf5c9cc80f9e8285e814aa Mon Sep 17 00:00:00 2001
From: Will <did:plc:dadhhalkfcq3gucaq25hjqon>
Date: Sat, 9 May 2026 14:30:28 +0100
Subject: [PATCH] appview/db/repos: calculate the fork count of a repo

Signed-off-by: Will <did:plc:dadhhalkfcq3gucaq25hjqon>
---
 appview/db/repos.go    | 39 +++++++++++++++++++++++++++++++++++++++
 appview/models/repo.go |  1 +
 2 files changed, 40 insertions(+)

diff --git a/appview/db/repos.go b/appview/db/repos.go
index 7b0f3ce4..00ba2db7 100644
--- a/appview/db/repos.go
+++ b/appview/db/repos.go
@@ -301,6 +301,45 @@ func GetReposPaginated(e Execer, page pagination.Page, filters ...orm.Filter) ([
 		return nil, fmt.Errorf("failed to execute pulls-count query: %w", err)
 	}
 
+	// get forks
+	forksInClause := strings.TrimSuffix(strings.Repeat("?, ", len(repoMap)), ", ")
+	forkArgs := make([]any, len(repoMap))
+	i = 0
+	for _, r := range repoMap {
+		forkArgs[i] = r.RepoDid
+		i++
+	}
+
+	forksCountQuery := fmt.Sprintf(
+		`select source, count(1) from repos where source in (%s) group by source`,
+		forksInClause,
+	)
+
+	rows, err = e.Query(forksCountQuery, forkArgs...)
+	if err != nil {
+		return nil, fmt.Errorf("failed to execute fork-count query: %w", err)
+	}
+	defer rows.Close()
+
+	for rows.Next() {
+		var repodid string
+		var count int
+		if err := rows.Scan(&repodid, &count); err != nil {
+			log.Println("err", "err", err)
+			continue
+		}
+
+		for _, r := range repoMap {
+			if r.RepoDid == repodid {
+				r.RepoStats.ForkCount = count
+				break
+			}
+		}
+	}
+	if err = rows.Err(); err != nil {
+		return nil, fmt.Errorf("failed to execute fork-count query: %w", err)
+	}
+
 	var repos []models.Repo
 	for _, r := range repoMap {
 		repos = append(repos, *r)
diff --git a/appview/models/repo.go b/appview/models/repo.go
index 232128fb..7256ab99 100644
--- a/appview/models/repo.go
+++ b/appview/models/repo.go
@@ -97,6 +97,7 @@ type RepoStats struct {
 	StarCount  int
 	IssueCount IssueCount
 	PullCount  PullCount
+	ForkCount  int
 }
 
 type IssueCount struct {
-- 
2.51.2