ls-id.go: Add ls-id [<prefix>] command

This file adds the ls-id command which returns
the bug id matching the prefix the user enters.
If no prefix entered it lists all the BugId's

Closes https://github.com/MichaelMure/git-bug/issues/47

1 files changed, 80 insertions, 0 deletions

diff --git a/commands/ls-id.go b/commands/ls-id.go
new file mode 100644
index 00000000..6e6da4c1
--- /dev/null
+++ b/commands/ls-id.go
@@ -0,0 +1,80 @@
+package commands
+
+import (
+	"fmt"
+	"strings"
+
+	"github.com/MichaelMure/git-bug/bug"
+	"github.com/spf13/cobra"
+)
+
+func runLsID(cmd *cobra.Command, args []string) error {
+
+	if len(args) < 1 {
+		_, err := ListAllID()
+
+		if err != nil {
+			return err
+		}
+
+		return nil
+	}
+	answer, err := ListID(args[0])
+
+	if err != nil {
+		return err
+	}
+
+	if answer == "" {
+		fmt.Printf("No matching bug Id with prefix %s\n", args[0])
+	} else {
+		fmt.Println(answer)
+	}
+
+	return nil
+}
+
+//ListID lists the local bug id after taking the prefix as input
+func ListID(prefix string) (string, error) {
+
+	IDlist, err := bug.ListLocalIds(repo)
+
+	if err != nil {
+		return "", err
+	}
+
+	for _, id := range IDlist {
+		if strings.HasPrefix(id, prefix) {
+			return id, nil
+		}
+	}
+
+	return "", nil
+
+}
+
+//ListAllID lists all the local bug id
+func ListAllID() (string, error) {
+
+	IDlist, err := bug.ListLocalIds(repo)
+	if err != nil {
+		return "", err
+	}
+
+	for _, id := range IDlist {
+		fmt.Println(id)
+	}
+
+	return "", nil
+}
+
+var listBugIDCmd = &cobra.Command{
+	Use:     "ls-id [<prefix>]",
+	Short:   "List Bug Id",
+	PreRunE: loadRepo,
+	RunE:    runLsID,
+}
+
+func init() {
+	RootCmd.AddCommand(listBugIDCmd)
+}