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handler.go
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/
handler.go
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//
// Copyright (c) 2020 Ankur Srivastava
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in all
// copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
// SOFTWARE.
package main
import (
"bufio"
"fmt"
"os"
"github.com/ansrivas/protemplates/internal/golang"
"github.com/ansrivas/protemplates/internal/licenses"
"github.com/ansrivas/protemplates/internal/project"
"github.com/ansrivas/protemplates/internal/python"
)
const (
// readAuthorName is a string constant to be used as a prompt.
readAuthorName = "Please enter author name: for eg. Lovan Vivan"
// readAuthorEmail is a string constant to be used as a prompt.
readAuthorEmail = "Please enter author email:"
// readSCMInfo is a string constant to be used as a prompt.
readSCMInfo = "Please enter your scm for eg. github.com, bitbucket.com"
// readSCMUserName is a string constant to be used as a prompt.
readSCMUserName = "Please enter a username corresponding to your scm eg. github.com/ansrivas, then ansrivas"
)
// mustCreateProject tries to create a project and panics if something fails.
func mustCreateProject(impl project.Project, projectName string) {
err := project.Create(impl, projectName)
if err != nil {
panic(fmt.Sprintf("Unable to create the project: %s", projectName))
}
fmt.Printf("Successfully created the project %s in current directory\n", projectName)
}
// userAgrees checks if user agrees to a given query
func userAgrees(msg string) bool {
var input string
fmt.Printf("%s [y/N]: ", msg)
for {
fmt.Scanf("%s", &input)
switch input {
case "y":
return true
case "N":
return false
default:
fmt.Println("Valid responses are only [y/N]")
continue
}
}
}
func readInput(msg string) string {
scanner := bufio.NewScanner(os.Stdin)
fmt.Println(msg)
var input string
for {
scanner.Scan()
input = scanner.Text()
if input == "" && !userAgrees("Continuing with empty input") {
continue
}
break
}
return input
}
func createProject(language string) {
lang := project.SanitizeInput(language)
var projectName string
fmt.Println("Please enter a desired project name:")
for {
fmt.Scanf("%s", &projectName)
if projectName != "" {
break
}
fmt.Println("Project name can not be empty, please enter a valid project name:")
}
fmt.Println(`Please enter a license type.
[1] MIT
[2] Apache2`)
var license string
scanner := bufio.NewScanner(os.Stdin)
for {
license = ""
scanner.Scan()
switch scanner.Text() {
case "1":
license = licenses.MIT
case "2":
license = licenses.Apache2
default:
fmt.Println("Licenses can be either MIT or Apache2 currently")
}
if license != "" {
break
}
}
author := readInput(readAuthorName)
authoremail := readInput(readAuthorEmail)
scm := readInput(readSCMInfo)
scmusername := readInput(readSCMUserName)
var impl project.Project
switch lang {
case "python":
impl = python.New(projectName, license, author, authoremail, scm, scmusername)
case "go", "golang":
impl = golang.New(projectName, license, author, authoremail, scm, scmusername)
default:
fmt.Printf("\033[31mException: Language %s is currently not supported.\033[39m\n\n", language)
os.Exit(1)
}
mustCreateProject(impl, projectName)
}