From 5f769ef20d3415e71f78ac20668f5c74a585fbc7 Mon Sep 17 00:00:00 2001
From: Gusted <postmaster@gusted.xyz>
Date: Fri, 21 Jul 2023 15:50:14 +0200
Subject: [PATCH] [GITEA] Show manual cron run's last time

- Currently in the cron tasks, the 'Previous Time' only displays the
previous time of when the cron library executes the function, but not
any of the manual executions of the task.
- Store the last run's time in memory in the Task struct and use that,
when that time is later than time that the cron library has executed this
task.
- This ensures that if an instance admin manually starts a task, there's
feedback that this task is/has been run, because the task might be run
that quick, that the status icon already has been changed to an
checkmark,
- Tasks that are executed at startup now reflect this as well, as the
time of the execution of that task on startup is now being shown as
'Previous Time'.
- Added integration tests for the API part, which is easier to test
because querying the HTML table of cron tasks is non-trivial.
- Resolves https://codeberg.org/forgejo/forgejo/issues/949
- Backport #1087
---
 services/cron/cron.go               |  6 ++++
 services/cron/tasks.go              |  9 +++++
 tests/integration/api_admin_test.go | 51 +++++++++++++++++++++++++++++
 3 files changed, 66 insertions(+)

diff --git a/services/cron/cron.go b/services/cron/cron.go
index 72deb94ceb..833e4518a6 100644
--- a/services/cron/cron.go
+++ b/services/cron/cron.go
@@ -96,6 +96,12 @@ func ListTasks() TaskTable {
 			next = e.Next
 			prev = e.Prev
 		}
+
+		// If the manual run is after the cron run, use that instead.
+		if prev.Before(task.LastRun) {
+			prev = task.LastRun
+		}
+
 		task.lock.Lock()
 		tTable = append(tTable, &TaskTableRow{
 			Name:        task.Name,
diff --git a/services/cron/tasks.go b/services/cron/tasks.go
index 1c5493c898..b54d2c7364 100644
--- a/services/cron/tasks.go
+++ b/services/cron/tasks.go
@@ -8,6 +8,7 @@ import (
 	"fmt"
 	"reflect"
 	"sync"
+	"time"
 
 	"code.gitea.io/gitea/models/db"
 	system_model "code.gitea.io/gitea/models/system"
@@ -36,6 +37,8 @@ type Task struct {
 	LastMessage string
 	LastDoer    string
 	ExecTimes   int64
+	// This stores the time of the last manual run of this task.
+	LastRun time.Time
 }
 
 // DoRunAtStart returns if this task should run at the start
@@ -87,6 +90,12 @@ func (t *Task) RunWithUser(doer *user_model.User, config Config) {
 		}
 	}()
 	graceful.GetManager().RunWithShutdownContext(func(baseCtx context.Context) {
+		// Store the time of this run, before the function is executed, so it
+		// matches the behavior of what the cron library does.
+		t.lock.Lock()
+		t.LastRun = time.Now()
+		t.lock.Unlock()
+
 		pm := process.GetManager()
 		doerName := ""
 		if doer != nil && doer.ID != -1 {
diff --git a/tests/integration/api_admin_test.go b/tests/integration/api_admin_test.go
index 6613d4b715..58ee5e8582 100644
--- a/tests/integration/api_admin_test.go
+++ b/tests/integration/api_admin_test.go
@@ -7,6 +7,7 @@ import (
 	"fmt"
 	"net/http"
 	"testing"
+	"time"
 
 	asymkey_model "code.gitea.io/gitea/models/asymkey"
 	auth_model "code.gitea.io/gitea/models/auth"
@@ -282,3 +283,53 @@ func TestAPIRenameUser(t *testing.T) {
 	})
 	MakeRequest(t, req, http.StatusOK)
 }
+
+func TestAPICron(t *testing.T) {
+	defer tests.PrepareTestEnv(t)()
+
+	// user1 is an admin user
+	session := loginUser(t, "user1")
+
+	t.Run("List", func(t *testing.T) {
+		defer tests.PrintCurrentTest(t)()
+
+		token := getTokenForLoggedInUser(t, session, auth_model.AccessTokenScopeReadAdmin)
+		urlStr := fmt.Sprintf("/api/v1/admin/cron?token=%s", token)
+		req := NewRequest(t, "GET", urlStr)
+		resp := MakeRequest(t, req, http.StatusOK)
+
+		assert.Equal(t, "25", resp.Header().Get("X-Total-Count"))
+
+		var crons []api.Cron
+		DecodeJSON(t, resp, &crons)
+		assert.Len(t, crons, 25)
+	})
+
+	t.Run("Execute", func(t *testing.T) {
+		defer tests.PrintCurrentTest(t)()
+
+		now := time.Now()
+		token := getTokenForLoggedInUser(t, session, auth_model.AccessTokenScopeWriteAdmin)
+		/// Archive cleanup is harmless, because in the text environment there are none
+		/// and is thus an NOOP operation and therefore doesn't interfere with any other
+		/// tests.
+		urlStr := fmt.Sprintf("/api/v1/admin/cron/archive_cleanup?token=%s", token)
+		req := NewRequest(t, "POST", urlStr)
+		MakeRequest(t, req, http.StatusNoContent)
+
+		// Check for the latest run time for this cron, to ensure it
+		// has been run.
+		urlStr = fmt.Sprintf("/api/v1/admin/cron?token=%s", token)
+		req = NewRequest(t, "GET", urlStr)
+		resp := MakeRequest(t, req, http.StatusOK)
+
+		var crons []api.Cron
+		DecodeJSON(t, resp, &crons)
+
+		for _, cron := range crons {
+			if cron.Name == "archive_cleanup" {
+				assert.True(t, now.Before(cron.Prev))
+			}
+		}
+	})
+}