common.go

 
/*
Copyright © 2019, 2020, 2021 Red Hat, 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
 
commands

Generated documentation is available at: https://pkg.go.dev/github.com/RedHatInsights/insights-operator-cli/commands

Documentation in literate-programming-style is available at: https://redhatinsights.github.io/insights-operator-cli/packages/commands/common.html

 


import
 
(

	
"fmt"

	
"github.com/c-bata/go-prompt"

	
"github.com/logrusorgru/aurora"

	
"os"

	
"path/filepath"


)

files will be filled by list of files that are found in given directory and displayed to user to select one of them

 
var
 
files
 
[
]
prompt
.
Suggest

colorizer contains instance of terminal colorizer interface

 
var
 
colorizer
 
aurora
.
Aurora

SetColorizer function set the terminal colorizer.

 
func
 
SetColorizer
(
c
 
aurora
.
Aurora
)
 
{

	
colorizer
 
=
 
c


}

LoginCompleter implements a no-op completer needed to input random data, for example during testing.

 
func
 
LoginCompleter
(
in
 
prompt
.
Document
)
 
[
]
prompt
.
Suggest
 
{

	
return
 
nil


}

ConfigFileCompleter function implements completer based on list of files.

 
func
 
ConfigFileCompleter
(
in
 
prompt
.
Document
)
 
[
]
prompt
.
Suggest
 
{

	
return
 
prompt
.
FilterHasPrefix
(
files
,
 
in
.
Text
,
 
true
)


}

ProceedQuestion ask user about y/n answer.

 
func
 
ProceedQuestion
(
question
 
string
)
 
bool
 
{

	
fmt
.
Println
(
colorizer
.
Red
(
question
)
)

ask user and wait for input

 
	
proceed
 
:=
 
prompt
.
Input
(
"proceed? [y/n] "
,
 
LoginCompleter
)

only 'y' is accepted as "Yes" answer right now

 
	
if
 
proceed
 
!=
 
"y"
 
{

		
fmt
.
Println
(
colorizer
.
Blue
(
"cancelled"
)
)

		
return
 
false

	
}

	
return
 
true


}

FillInConfigurationList function prepares a list of configuration files that are found in specified directory.

 
func
 
FillInConfigurationList
(
directory
 
string
)
 
error
 
{

	
files
 
=
 
[
]
prompt
.
Suggest
{
}


	
root
 
:=
 
directory

iterate over all files and directories found

 
	
err
 
:=
 
filepath
.
Walk
(
root
,
 
func
(
path
 
string
,
 
info
 
os
.
FileInfo
,
 
err
 
error
)
 
error
 
{

		
if
 
!
info
.
IsDir
(
)
 
{

			
suggest
 
:=
 
prompt
.
Suggest
{

				
Text
:
 
info
.
Name
(
)
}

			
files
 
=
 
append
(
files
,
 
suggest
)

		
}

		
return
 
nil

	
}
)

check for any error

 
	
if
 
err
 
!=
 
nil
 
{

		
return
 
err

	
}

	
return
 
nil


}

Quit function will exit from the CLI client.

 
func
 
Quit
(
)
 
{

	
fmt
.
Println
(
colorizer
.
Magenta
(
"Quitting"
)
)

	
os
.
Exit
(
0
)


}