From cd0524e77e24fabb5ce9e278b78cae7aa4b1ca78 Mon Sep 17 00:00:00 2001
From: Brad Rydzewski <brad.rydzewski@gmail.com>
Date: Thu, 18 Jan 2018 09:26:28 -0800
Subject: [PATCH 1/2] endpoint to purge build logs

---
 router/router.go |  1 +
 server/build.go  | 50 ++++++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 51 insertions(+)

diff --git a/router/router.go b/router/router.go
index 64dd99684..ac515c042 100644
--- a/router/router.go
+++ b/router/router.go
@@ -103,6 +103,7 @@ func Load(mux *httptreemux.ContextMux, middleware ...gin.HandlerFunc) http.Handl
 		repo.POST("/builds/:number/approve", session.MustPush, server.PostApproval)
 		repo.POST("/builds/:number/decline", session.MustPush, server.PostDecline)
 		repo.DELETE("/builds/:number/:job", session.MustPush, server.DeleteBuild)
+		repo.DELETE("/logs/:number", session.MustPush, server.DeleteBuildLogs)
 	}
 
 	badges := e.Group("/api/badges/:owner/:name")
diff --git a/server/build.go b/server/build.go
index 43d391d81..f88bdae6d 100644
--- a/server/build.go
+++ b/server/build.go
@@ -1,6 +1,7 @@
 package server
 
 import (
+	"bytes"
 	"context"
 	"encoding/json"
 	"fmt"
@@ -663,3 +664,52 @@ func PostBuild(c *gin.Context) {
 		Config.Services.Queue.Push(context.Background(), task)
 	}
 }
+
+//
+///
+//
+
+func DeleteBuildLogs(c *gin.Context) {
+	repo := session.Repo(c)
+	num, _ := strconv.Atoi(c.Params.ByName("number"))
+
+	build, err := store.GetBuildNumber(c, repo, num)
+	if err != nil {
+		c.AbortWithError(404, err)
+		return
+	}
+
+	procs, err := store.FromContext(c).ProcList(build)
+	if err != nil {
+		c.AbortWithError(404, err)
+		return
+	}
+
+	switch build.Status {
+	case model.StatusRunning, model.StatusPending:
+		c.String(400, "Cannot delete logs for a pending or running build")
+		return
+	}
+
+	for _, proc := range procs {
+		buf := bytes.NewBufferString(fmt.Sprintf(deleteStr, proc.Name))
+		lerr := store.FromContext(c).LogSave(proc, buf)
+		if lerr != nil {
+			err = lerr
+		}
+	}
+	if err != nil {
+		c.String(400, "There was a problem deleting your logs. %s", err)
+		return
+	}
+
+	c.String(204, "")
+}
+
+var deleteStr = `[
+	{
+	  "proc": %q,
+	  "pos": 0,
+	  "out": "LOGS PURGED\n"
+	}
+]`

From 8771fb53af982096b1021c31a28f337d643320f7 Mon Sep 17 00:00:00 2001
From: Brad Rydzewski <brad.rydzewski@gmail.com>
Date: Thu, 18 Jan 2018 09:30:41 -0800
Subject: [PATCH 2/2] purged log placeholder to include username

---
 server/build.go | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/server/build.go b/server/build.go
index f88bdae6d..9a0199729 100644
--- a/server/build.go
+++ b/server/build.go
@@ -671,6 +671,7 @@ func PostBuild(c *gin.Context) {
 
 func DeleteBuildLogs(c *gin.Context) {
 	repo := session.Repo(c)
+	user := session.User(c)
 	num, _ := strconv.Atoi(c.Params.ByName("number"))
 
 	build, err := store.GetBuildNumber(c, repo, num)
@@ -692,7 +693,7 @@ func DeleteBuildLogs(c *gin.Context) {
 	}
 
 	for _, proc := range procs {
-		buf := bytes.NewBufferString(fmt.Sprintf(deleteStr, proc.Name))
+		buf := bytes.NewBufferString(fmt.Sprintf(deleteStr, proc.Name, user.Login))
 		lerr := store.FromContext(c).LogSave(proc, buf)
 		if lerr != nil {
 			err = lerr
@@ -710,6 +711,6 @@ var deleteStr = `[
 	{
 	  "proc": %q,
 	  "pos": 0,
-	  "out": "LOGS PURGED\n"
+	  "out": "logs purged by %s\n"
 	}
 ]`