Added files.

imapclient/store.go

@@ -0,0 +1,44 @@
+package imapclient
+
+import (
+	"fmt"
+
+	"github.com/emersion/go-imap/v2"
+	"github.com/emersion/go-imap/v2/internal/imapwire"
+)
+
+// Store sends a STORE command.
+//
+// Unless StoreFlags.Silent is set, the server will return the updated values.
+//
+// A nil options pointer is equivalent to a zero options value.
+func (c *Client) Store(numSet imap.NumSet, store *imap.StoreFlags, options *imap.StoreOptions) *FetchCommand {
+	cmd := &FetchCommand{
+		numSet: numSet,
+		msgs:   make(chan *FetchMessageData, 128),
+	}
+	enc := c.beginCommand(uidCmdName("STORE", imapwire.NumSetKind(numSet)), cmd)
+	enc.SP().NumSet(numSet).SP()
+	if options != nil && options.UnchangedSince != 0 {
+		enc.Special('(').Atom("UNCHANGEDSINCE").SP().ModSeq(options.UnchangedSince).Special(')').SP()
+	}
+	switch store.Op {
+	case imap.StoreFlagsSet:
+		// nothing to do
+	case imap.StoreFlagsAdd:
+		enc.Special('+')
+	case imap.StoreFlagsDel:
+		enc.Special('-')
+	default:
+		panic(fmt.Errorf("imapclient: unknown store flags op: %v", store.Op))
+	}
+	enc.Atom("FLAGS")
+	if store.Silent {
+		enc.Atom(".SILENT")
+	}
+	enc.SP().List(len(store.Flags), func(i int) {
+		enc.Flag(store.Flags[i])
+	})
+	enc.end()
+	return cmd
+}