1 files changed, 131 insertions, 0 deletions
diff --git a/cmd/check.go b/cmd/check.go
new file mode 100644
index 0000000..2b7316e
--- /dev/null
+++ b/cmd/check.go
@@ -0,0 +1,131 @@
+/* check.go: check a given message for problems
+ *
+ * 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"
+	"os"
+	"path/filepath"
+	"sort"
+)
+
+var usageCheck =
+// tag::check[]
+`
+Usage:
+  clockrotz check [--silent] [FILE]
+
+Options:
+  --silent  Suppress output, useful for silent checks.
+  FILE      Check only the given file.
+
+If no FILE is provided, check will inspect all messages in the todo/ and the
+drafts/ folder. The command exit with a code of 0, if there were no problems.
+` // end::check[]
+
+func Check(argv []string, conf *Configuration) {
+	args, _ := docopt.Parse(usageCheck, argv, true, "", false)
+
+	silent := args["--silent"].(bool)
+
+	ok := true
+
+	if args["FILE"] != nil {
+		message, err := NewMessageFromFile(args["FILE"].(string))
+
+		if err != nil {
+			fmt.Printf("Error while reading message: %s\n", err.Error())
+			os.Exit(1)
+		}
+
+		message.Conf.MergeWith(conf)
+		ok = checkMessage(message, silent)
+	} else {
+		draftOk := checkFolder(DIR_DRAFTS, conf, silent)
+
+		if !silent {
+			// A bit of space between the drafts/ and todo/ listing
+			fmt.Println()
+		}
+
+		todoOk := checkFolder(DIR_TODO, conf, silent)
+
+		ok = draftOk && todoOk
+	}
+
+	if ok {
+		os.Exit(0)
+	} else {
+		os.Exit(1)
+	}
+}
+
+// Inspect all messages in a folder.
+func checkFolder(folder string, conf *Configuration, silent bool) bool {
+	messages := NewMessagesFromDirectory(filepath.Join(conf.Get(CONF_WORKDIR), folder))
+	sort.Sort(Messages(messages))
+
+	if !silent {
+		fmt.Printf("in %s:\n", folder)
+	}
+
+	ok := true
+	count := 0
+
+	for _, message := range messages {
+		count++
+		message.Conf.MergeWith(conf)
+
+		if !checkMessage(message, silent) {
+			ok = false
+		}
+	}
+
+	if ok && !silent {
+		fmt.Printf(" All (%d) messages are valid.\n", count)
+	}
+
+	return ok
+}
+
+// Check the given message. If `silent` is false, all problems will be printed
+// to stdout.
+func checkMessage(message Message, silent bool) bool {
+	ok := true
+	errs := message.Verify()
+
+	if errs != nil {
+		ok = false
+	}
+
+	if silent {
+		return ok
+	}
+
+	if !ok {
+		fmt.Printf(" %s:\n", message.Name)
+
+		for _, err := range errs {
+			fmt.Printf("  %s\n", err.Error())
+		}
+	}
+
+	return ok
+}