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server: add label handler

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For handling mu4e label update requests.
This commit is contained in:
Dirk-Jan C. Binnema
2025-08-27 19:24:04 +03:00
committed by Seth Ladygo
parent 2fa973ec90
commit bf2f4ce57d
2 changed files with 50 additions and 3 deletions
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51
lib/mu-server.cc
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@ -40,6 +40,7 @@
#include "mu-query.hh"
#include "mu-query-parser.hh"
#include "mu-store.hh"
#include "message/mu-labels.hh"
#include "utils/mu-utils.hh"
#include "utils/mu-utils-file.hh"
@ -72,7 +73,7 @@ struct OutputStream {
* @param cdr name of the output (e.g., "contacts")
*
* @return
*/
` */
OutputStream(): out_{std::ostringstream{}} {}
/**
@ -177,6 +178,7 @@ struct Server::Private {
void find_handler(const Command& cmd);
void help_handler(const Command& cmd);
void index_handler(const Command& cmd);
void label_handler(const Command& cmd);
void move_handler(const Command& cmd);
void mkdir_handler(const Command& cmd);
void ping_handler(const Command& cmd);
@ -359,6 +361,18 @@ Server::Private::make_command_map()
"whether to avoid indexing up-to-date directories"}}},
"scan maildir for new/updated/removed messages",
[&](const auto& params) { index_handler(params); }});
cmap.emplace(
"label",
CommandInfo{
ArgMap{
{":docid", ArgInfo{Type::Number, true, "document-id"}},
{":labels", ArgInfo{Type::String, true,
"label delta expressions (SPC-separated)"}},
{":no-view",
ArgInfo{Type::Symbol, false, "if set, do not hint at updating the view"}},
},
"move messages and/or change their flags",
[&](const auto& params) { label_handler(params); }});
cmap.emplace(
"mkdir",
CommandInfo{
@ -877,6 +891,39 @@ Server::Private::index_handler(const Command& cmd)
do_index(conf);
}
void
Server::Private::label_handler(const Command& cmd)
{
const auto labels{*cmd.string_arg(":labels")};
const auto docid{*cmd.number_arg(":docid")};
const auto no_view{cmd.boolean_arg(":noupdate")};
auto msg = store().find_message(docid)
.or_else([&]{throw Error{Error::Code::InvalidArgument,
"cannot find message {}", docid};}).value();
// special case: '-*' means "clear all labels"
if (labels == "-*") {
mu_debug("clear all labels from {} ({})", docid, join(msg.labels(), " "));
if (const auto res = store().clear_labels(msg); !res)
throw res.error();
} else {
const auto delta_labels = Labels::parse_delta_labels(labels, " ");
if (!delta_labels)
throw delta_labels.error();
mu_debug("apply {} to {} ({})", labels, docid, join(msg.labels(), " "));
if (const auto res = store().update_labels(msg, *delta_labels); !res)
throw res.error();
}
auto sexpstr = "(:update " + msg_sexp_str(msg, docid, {});
if (!no_view)
sexpstr += " :maybe-view t";
sexpstr += ')';
output(std::move(sexpstr));
}
void
Server::Private::mkdir_handler(const Command& cmd)
{
@ -990,7 +1037,7 @@ Server::Private::move_handler(const Command& cmd)
const auto flagopt{cmd.string_arg(":flags")};
const auto rename{cmd.boolean_arg(":rename")};
const auto no_view{cmd.boolean_arg(":noupdate")};
const auto docids{determine_docids(store_, cmd)};
const auto docids{determine_docids(store(), cmd)};
if (docids.empty()) {
if (!!cmd.string_arg(":msgid")) {