1 files changed, 91 insertions, 0 deletions
diff --git a/cmd/next.go b/cmd/next.go
new file mode 100644
index 0000000..f62aad2
--- /dev/null
+++ b/cmd/next.go
@@ -0,0 +1,91 @@
+/* next.go: show upcoming messages
+ *
+ * Copyright (C) 2016 Clemens Fries <github-clockrotz@xenoworld.de>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+package cmd
+
+import (
+	"fmt"
+	"github.com/docopt/docopt.go"
+	. "github.com/githubert/clockrotz/common"
+	"path/filepath"
+	"sort"
+	"strconv"
+	"time"
+)
+
+var usageNext =
+// tag::next[]
+`
+Usage:
+  clockrotz next [--days=DAYS | --all]
+
+Options:
+  --help       Show this help.
+  --days=DAYS  List messages for the next DAYS days. (default: 7)
+  --all        List all pending messages.
+` // end::next[]
+
+func Next(argv []string, conf *Configuration) {
+	args, _ := docopt.Parse(usageNext, argv, true, "", false)
+
+	if args["--days"] != nil {
+		conf.Set("days", args["--days"].(string))
+	}
+
+	days, err := strconv.ParseInt(conf.Get(CONF_DAYS), 10, 0)
+
+	if err != nil {
+		fmt.Println("Error while parsing value of --days")
+		return
+	}
+
+	all := args["--all"].(bool)
+
+	future := buildTime(time.Now().AddDate(0, 0, int(days)), 23, 59, false)
+
+	messages := NewMessagesFromDirectory(filepath.Join(conf.Get(CONF_WORKDIR), DIR_TODO))
+	sort.Sort(messages)
+
+	if all {
+		fmt.Printf("Showing all messages.\n\n")
+	} else {
+		fmt.Printf("Showing messages before %s.\n\n", future.Format(DATETIME_FORMAT))
+	}
+
+	count := 0
+
+	for _, message := range messages {
+		message.Conf.MergeWith(conf)
+
+		if errs := message.Verify(); errs != nil {
+			fmt.Printf("Error in message \"%s\". Please run 'clockrotz check'.\n", message.Name)
+			continue
+		}
+
+		// Errors are caught already by Verify()
+		messageDate, _ := ParseTime(message.Get(CONF_DATE))
+
+		if all || messageDate.Before(future) {
+			count++
+			fmt.Printf("%s  %s (%s)\n", messageDate.Format(DATETIME_FORMAT), message.Get(CONF_SUBJECT), message.Name)
+		}
+	}
+
+	if count == 0 {
+		fmt.Println("No messages.")
+	}
+}