From b61e40f36309e94541a6de3aff6d7356e9d7f99f Mon Sep 17 00:00:00 2001
From: Simon Ser <contact@emersion.fr>
Date: Thu, 19 Mar 2020 16:43:27 +0100
Subject: plugins/base: allow move/delete/flag operations to take multiple UIDs

---
 plugins/base/public/message.html |  9 +++++---
 plugins/base/routes.go           | 48 +++++++++++++++++++++++++++++-----------
 plugins/base/strconv.go          | 12 ++++++++++
 3 files changed, 53 insertions(+), 16 deletions(-)

(limited to 'plugins/base')

diff --git a/plugins/base/public/message.html b/plugins/base/public/message.html
index b537ff0..ed2b1a2 100644
--- a/plugins/base/public/message.html
+++ b/plugins/base/public/message.html
@@ -16,7 +16,8 @@
   {{end}}
 </h2>
 
-<form method="post" action="{{.Message.URL}}/move">
+<form method="post" action="/message/{{.Mailbox.Name | pathescape}}/move">
+  <input type="hidden" name="uids" value="{{.Message.Uid}}">
   <label for="move-to">Move to:</label>
   <select name="to" id="move-to">
     {{range .Mailboxes}}
@@ -26,12 +27,14 @@
   <input type="submit" value="Move">
 </form>
 
-<form method="post" action="{{.Message.URL}}/delete">
+<form method="post" action="/message/{{.Mailbox.Name | pathescape}}/delete">
+  <input type="hidden" name="uids" value="{{.Message.Uid}}">
   <input type="submit" value="Delete">
 </form>
 
 {{if .Flags}}
-  <form method="post" action="{{.Message.URL}}/flag">
+  <form method="post" action="/message/{{.Mailbox.Name | pathescape}}/flag">
+    <input type="hidden" name="uids" value="{{.Message.Uid}}">
     <p>Flags:</p>
     {{range $name, $has := .Flags}}
       {{if ismutableflag $name}}
diff --git a/plugins/base/routes.go b/plugins/base/routes.go
index 0237634..d2bfe73 100644
--- a/plugins/base/routes.go
+++ b/plugins/base/routes.go
@@ -53,11 +53,11 @@ func registerRoutes(p *koushin.GoPlugin) {
 	p.GET("/message/:mbox/:uid/edit", handleEdit)
 	p.POST("/message/:mbox/:uid/edit", handleEdit)
 
-	p.POST("/message/:mbox/:uid/move", handleMove)
+	p.POST("/message/:mbox/move", handleMove)
 
-	p.POST("/message/:mbox/:uid/delete", handleDelete)
+	p.POST("/message/:mbox/delete", handleDelete)
 
-	p.POST("/message/:mbox/:uid/flag", handleSetFlags)
+	p.POST("/message/:mbox/flag", handleSetFlags)
 
 	p.GET("/settings", handleSettings)
 	p.POST("/settings", handleSettings)
@@ -654,7 +654,16 @@ func handleEdit(ctx *koushin.Context) error {
 }
 
 func handleMove(ctx *koushin.Context) error {
-	mboxName, uid, err := parseMboxAndUid(ctx.Param("mbox"), ctx.Param("uid"))
+	mboxName, err := url.PathUnescape(ctx.Param("mbox"))
+	if err != nil {
+		return echo.NewHTTPError(http.StatusBadRequest, err)
+	}
+
+	formParams, err := ctx.FormParams()
+	if err != nil {
+		return echo.NewHTTPError(http.StatusBadRequest, err)
+	}
+	uids, err := parseUidList(formParams["uids"])
 	if err != nil {
 		return echo.NewHTTPError(http.StatusBadRequest, err)
 	}
@@ -669,7 +678,7 @@ func handleMove(ctx *koushin.Context) error {
 		}
 
 		var seqSet imap.SeqSet
-		seqSet.AddNum(uid)
+		seqSet.AddNum(uids...)
 		if err := mc.UidMoveWithFallback(&seqSet, to); err != nil {
 			return fmt.Errorf("failed to move message: %v", err)
 		}
@@ -685,7 +694,16 @@ func handleMove(ctx *koushin.Context) error {
 }
 
 func handleDelete(ctx *koushin.Context) error {
-	mboxName, uid, err := parseMboxAndUid(ctx.Param("mbox"), ctx.Param("uid"))
+	mboxName, err := url.PathUnescape(ctx.Param("mbox"))
+	if err != nil {
+		return echo.NewHTTPError(http.StatusBadRequest, err)
+	}
+
+	formParams, err := ctx.FormParams()
+	if err != nil {
+		return echo.NewHTTPError(http.StatusBadRequest, err)
+	}
+	uids, err := parseUidList(formParams["uids"])
 	if err != nil {
 		return echo.NewHTTPError(http.StatusBadRequest, err)
 	}
@@ -696,7 +714,7 @@ func handleDelete(ctx *koushin.Context) error {
 		}
 
 		var seqSet imap.SeqSet
-		seqSet.AddNum(uid)
+		seqSet.AddNum(uids...)
 
 		item := imap.FormatFlagsOp(imap.AddFlags, true)
 		flags := []interface{}{imap.DeletedFlag}
@@ -724,16 +742,20 @@ func handleDelete(ctx *koushin.Context) error {
 }
 
 func handleSetFlags(ctx *koushin.Context) error {
-	mboxName, uid, err := parseMboxAndUid(ctx.Param("mbox"), ctx.Param("uid"))
+	mboxName, err := url.PathUnescape(ctx.Param("mbox"))
 	if err != nil {
 		return echo.NewHTTPError(http.StatusBadRequest, err)
 	}
 
-	form, err := ctx.FormParams()
+	formParams, err := ctx.FormParams()
+	if err != nil {
+		return echo.NewHTTPError(http.StatusBadRequest, err)
+	}
+	uids, err := parseUidList(formParams["uids"])
 	if err != nil {
 		return echo.NewHTTPError(http.StatusBadRequest, err)
 	}
-	flags, ok := form["flags"]
+	flags, ok := formParams["flags"]
 	if !ok {
 		return echo.NewHTTPError(http.StatusBadRequest, "missing 'flags' form values")
 	}
@@ -756,7 +778,7 @@ func handleSetFlags(ctx *koushin.Context) error {
 		}
 
 		var seqSet imap.SeqSet
-		seqSet.AddNum(uid)
+		seqSet.AddNum(uids...)
 
 		storeItems := make([]interface{}, len(flags))
 		for i, f := range flags {
@@ -774,11 +796,11 @@ func handleSetFlags(ctx *koushin.Context) error {
 		return err
 	}
 
-	if op == imap.RemoveFlags && len(flags) == 1 && flags[0] == "\\Seen" {
+	if len(uids) != 1 || (op == imap.RemoveFlags && len(flags) == 1 && flags[0] == "\\Seen") {
 		// Redirecting to the message view would mark the message as read again
 		return ctx.Redirect(http.StatusFound, fmt.Sprintf("/mailbox/%v", url.PathEscape(mboxName)))
 	}
-	return ctx.Redirect(http.StatusFound, fmt.Sprintf("/message/%v/%v", url.PathEscape(mboxName), uid))
+	return ctx.Redirect(http.StatusFound, fmt.Sprintf("/message/%v/%v", url.PathEscape(mboxName), uids[0]))
 }
 
 const settingsKey = "base.settings"
diff --git a/plugins/base/strconv.go b/plugins/base/strconv.go
index 1a32e75..9efa4cd 100644
--- a/plugins/base/strconv.go
+++ b/plugins/base/strconv.go
@@ -27,6 +27,18 @@ func parseMboxAndUid(mboxString, uidString string) (string, uint32, error) {
 	return mboxName, uid, err
 }
 
+func parseUidList(values []string) ([]uint32, error) {
+	var uids []uint32
+	for _, v := range values {
+		uid, err := parseUid(v)
+		if err != nil {
+			return nil, err
+		}
+		uids = append(uids, uid)
+	}
+	return uids, nil
+}
+
 func parsePartPath(s string) ([]int, error) {
 	if s == "" {
 		return nil, nil
-- 
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