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cli.go
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cli.go
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package main
import (
"fmt"
"io"
"path/filepath"
"time"
"github.com/fatih/color"
chglog "github.com/git-chglog/git-chglog"
)
// CLI ...
type CLI struct {
ctx *CLIContext
fs FileSystem
logger *chglog.Logger
configLoader ConfigLoader
generator Generator
processorFactory *ProcessorFactory
}
// NewCLI ...
func NewCLI(
ctx *CLIContext, fs FileSystem,
configLoader ConfigLoader,
generator Generator,
) *CLI {
silent := false
if ctx.Silent || ctx.OutputPath == "" {
silent = true
}
return &CLI{
ctx: ctx,
fs: fs,
logger: chglog.NewLogger(ctx.Stdout, ctx.Stderr, silent, ctx.NoEmoji),
configLoader: configLoader,
generator: generator,
processorFactory: NewProcessorFactory(),
}
}
// Run ...
func (c *CLI) Run() int {
start := time.Now()
if c.ctx.NoColor {
color.NoColor = true
}
c.logger.Log(":watch: Generating changelog ...")
config, err := c.prepareConfig()
if err != nil {
c.logger.Error(err.Error())
return ExitCodeError
}
changelogConfig, err := c.createChangelogConfig(config)
if err != nil {
c.logger.Error(err.Error())
return ExitCodeError
}
w, err := c.createOutputWriter()
if err != nil {
c.logger.Error(err.Error())
return ExitCodeError
}
err = c.generator.Generate(c.logger, w, c.ctx.Query, changelogConfig)
if err != nil {
c.logger.Error(err.Error())
return ExitCodeError
}
c.logger.Log(fmt.Sprintf(":sparkles: Generate of %s is completed! (%s)",
color.GreenString("\""+c.ctx.OutputPath+"\""),
color.New(color.Bold).SprintFunc()(time.Since(start).String()),
))
return ExitCodeOK
}
func (c *CLI) prepareConfig() (*Config, error) {
config, err := c.configLoader.Load(c.ctx.ConfigPath)
if err != nil {
return nil, err
}
err = config.Normalize(c.ctx)
if err != nil {
return nil, err
}
config.Convert(c.ctx)
return config, err
}
func (c *CLI) createChangelogConfig(config *Config) (*chglog.Config, error) {
processor, err := c.processorFactory.Create(config)
if err != nil {
return nil, err
}
changelogConfig := config.Convert(c.ctx)
changelogConfig.Options.Processor = processor
return changelogConfig, nil
}
func (c *CLI) createOutputWriter() (io.Writer, error) {
if c.ctx.OutputPath == "" {
return c.ctx.Stdout, nil
}
out := c.ctx.OutputPath
dir := filepath.Dir(out)
err := c.fs.MkdirP(dir)
if err != nil {
return nil, err
}
file, err := c.fs.Create(out)
if err != nil {
return nil, err
}
return file, nil
}