Refacture structure proposal. (#1793)

2025-11-12 01:02:26 +03:00 · 2016-08-12 00:29:04 +02:00
parent c9ecd023fa
commit b51fb32054
75 changed files with 350 additions and 318 deletions
--- a/command/ls-main.go
+++ b/command/ls-main.go
@@ -0,0 +1,161 @@
+/*
+ * Minio Client (C) 2014, 2015 Minio, Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package command
+
+import (
+	"strings"
+
+	"github.com/fatih/color"
+	"github.com/minio/cli"
+	"github.com/minio/mc/pkg/console"
+)
+
+// ls specific flags.
+var (
+	lsFlags = []cli.Flag{
+		cli.BoolFlag{
+			Name:  "help, h",
+			Usage: "Help of ls.",
+		},
+		cli.BoolFlag{
+			Name:  "recursive, r",
+			Usage: "List recursively.",
+		},
+		cli.BoolFlag{
+			Name:  "incomplete, I",
+			Usage: "List incomplete uploads.",
+		},
+	}
+)
+
+// list files and folders.
+var lsCmd = cli.Command{
+	Name:   "ls",
+	Usage:  "List files and folders.",
+	Action: mainList,
+	Flags:  append(lsFlags, globalFlags...),
+	CustomHelpTemplate: `NAME:
+   mc {{.Name}} - {{.Usage}}
+
+USAGE:
+   mc {{.Name}} [FLAGS] TARGET [TARGET ...]
+
+FLAGS:
+  {{range .Flags}}{{.}}
+  {{end}}
+EXAMPLES:
+   1. List buckets on Amazon S3 cloud storage.
+      $ mc {{.Name}} s3
+
+   2. List buckets and all its contents from Amazon S3 cloud storage recursively.
+      $ mc {{.Name}} --recursive s3
+
+   3. List all contents of mybucket on Amazon S3 cloud storage.
+      $ mc {{.Name}} s3/mybucket/
+
+   4. List all contents of mybucket on Amazon S3 cloud storage on Microsoft Windows.
+      $ mc {{.Name}} s3\mybucket\
+
+   5. List files recursively on a local filesystem on Microsoft Windows.
+      $ mc {{.Name}} --recursive C:\Users\Worf\
+
+   6. List incomplete (previously failed) uploads of objects on Amazon S3. 
+      $ mc {{.Name}} --incomplete s3/mybucket
+`,
+}
+
+// checkListSyntax - validate all the passed arguments
+func checkListSyntax(ctx *cli.Context) {
+	args := ctx.Args()
+	if !ctx.Args().Present() {
+		args = []string{"."}
+	}
+	for _, arg := range args {
+		if strings.TrimSpace(arg) == "" {
+			fatalIf(errInvalidArgument().Trace(args...), "Unable to validate empty argument.")
+		}
+	}
+	// extract URLs.
+	URLs := ctx.Args()
+	isIncomplete := ctx.Bool("incomplete")
+
+	for _, url := range URLs {
+		_, _, err := url2Stat(url)
+		if err != nil && !isURLPrefixExists(url, isIncomplete) {
+			// Bucket name empty is a valid error for 'ls myminio',
+			// treat it as such.
+			if _, ok := err.ToGoError().(BucketNameEmpty); ok {
+				continue
+			}
+			fatalIf(err.Trace(url), "Unable to stat ‘"+url+"’.")
+		}
+	}
+}
+
+// mainList - is a handler for mc ls command
+func mainList(ctx *cli.Context) {
+	// Additional command specific theme customization.
+	console.SetColor("File", color.New(color.Bold))
+	console.SetColor("Dir", color.New(color.FgCyan, color.Bold))
+	console.SetColor("Size", color.New(color.FgYellow))
+	console.SetColor("Time", color.New(color.FgGreen))
+
+	// Set global flags from context.
+	setGlobalsFromContext(ctx)
+
+	// check 'ls' cli arguments.
+	checkListSyntax(ctx)
+
+	// Set command flags from context.
+	isRecursive := ctx.Bool("recursive")
+	isIncomplete := ctx.Bool("incomplete")
+
+	args := ctx.Args()
+	// mimic operating system tool behavior.
+	if !ctx.Args().Present() {
+		args = []string{"."}
+	}
+
+	for _, targetURL := range args {
+		var clnt Client
+		clnt, err := newClient(targetURL)
+		fatalIf(err.Trace(targetURL), "Unable to initialize target ‘"+targetURL+"’.")
+
+		var st *clientContent
+		if st, err = clnt.Stat(); err != nil {
+			switch err.ToGoError().(type) {
+			case BucketNameEmpty:
+			// For aliases like ``mc ls s3`` it's acceptable to receive BucketNameEmpty error.
+			// Nothing to do.
+			default:
+				fatalIf(err.Trace(targetURL), "Unable to initialize target ‘"+targetURL+"’.")
+			}
+		} else if st.Type.IsDir() {
+			if !strings.HasSuffix(targetURL, string(clnt.GetURL().Separator)) {
+				targetURL = targetURL + string(clnt.GetURL().Separator)
+			}
+			clnt, err = newClient(targetURL)
+			fatalIf(err.Trace(targetURL), "Unable to initialize target ‘"+targetURL+"’.")
+		}
+
+		err = doList(clnt, isRecursive, isIncomplete)
+		if err != nil {
+			errorIf(err.Trace(clnt.GetURL().String()), "Unable to list target ‘"+clnt.GetURL().String()+"’.")
+			continue
+		}
+	}
+}