feat: notifications: report failed workspace builds (#14571)

coderd/database/queries/workspacebuilds.sql

@@ -179,3 +179,66 @@ WHERE
 	wb.transition = 'start'::workspace_transition
 AND
 	pj.completed_at IS NOT NULL;
+
+-- name: GetWorkspaceBuildStatsByTemplates :many
+SELECT
+    w.template_id,
+	t.name AS template_name,
+	t.display_name AS template_display_name,
+	t.organization_id AS template_organization_id,
+    COUNT(*) AS total_builds,
+    COUNT(CASE WHEN pj.job_status = 'failed' THEN 1 END) AS failed_builds
+FROM
+    workspace_build_with_user AS wb
+JOIN
+    workspaces AS w ON
+    wb.workspace_id = w.id
+JOIN
+    provisioner_jobs AS pj ON
+    wb.job_id = pj.id
+JOIN
+    templates AS t ON
+	w.template_id = t.id
+WHERE
+    wb.created_at >= @since
+    AND pj.completed_at IS NOT NULL
+GROUP BY
+    w.template_id, template_name, template_display_name, template_organization_id
+ORDER BY
+    template_name ASC;
+
+-- name: GetFailedWorkspaceBuildsByTemplateID :many
+SELECT
+	tv.name AS template_version_name,
+	u.username AS workspace_owner_username,
+	w.name AS workspace_name,
+	wb.build_number AS workspace_build_number
+FROM
+	workspace_build_with_user AS wb
+JOIN
+	workspaces AS w
+ON
+	wb.workspace_id = w.id
+JOIN
+    users AS u
+ON
+    w.owner_id = u.id
+JOIN
+	provisioner_jobs AS pj
+ON
+	wb.job_id = pj.id
+JOIN
+	templates AS t
+ON
+	w.template_id = t.id
+JOIN
+	template_versions AS tv
+ON
+	wb.template_version_id = tv.id
+WHERE
+	w.template_id = $1
+	AND wb.created_at >= @since
+	AND pj.completed_at IS NOT NULL
+	AND pj.job_status = 'failed'
+ORDER BY
+	tv.name ASC, wb.build_number DESC;