cli: Add "import" command

Currently the import command will only accept YAML files, but is ready
for expansion to other formats as needed.

1 files changed, 40 insertions, 0 deletions

diff --git a/src/vgstash_cli.py b/src/vgstash_cli.py
index 6289dba..5f69c47 100644
--- a/src/vgstash_cli.py
+++ b/src/vgstash_cli.py
@@ -5,6 +5,7 @@ import os
 import subprocess
 import sys
 import tempfile
+import yaml
 
 # Click also has this, but it doesn't support a fallback value.
 from shutil import get_terminal_size
@@ -196,3 +197,42 @@ def notes(title, system, edit):
         click.echo("Notes for {} on {}:".format(target_game.title, target_game.system))
         click.echo()
         click.echo(target_game.notes)
+
+
+@cli.command("import")
+@click.option("--format", "-f", type=click.Choice(["yaml"]), required=False, default="yaml")
+@click.option("--update", "-u", is_flag=True, default=False, help="Overwrite existing games with the file's data")
+@click.argument("filepath",
+                type=click.Path(
+                    readable=True,
+                    resolve_path=True,
+                    dir_okay=False,
+                    file_okay=True),
+                default=sys.stdin,
+                )
+def import_file(format, filepath, update):
+    """
+    Import game data from an external file matching the chosen format.
+
+    The default format is YAML.
+    """
+    if format == "yaml":
+        with open(filepath) as fp:
+            data = yaml.safe_load(fp)
+        db = get_db()
+        count = len(data)
+        for game in data:
+            try:
+                db.add_game(
+                    vgstash.Game(
+                        game["title"],
+                        game["system"],
+                        game["ownership"],
+                        game["progress"],
+                        game["notes"]
+                    ),
+                    update=update
+                )
+            except sqlite3.IntegrityError as e:
+                count -= 1
+        click.echo("Successfully imported {} games from {}.".format(count, filepath))