feat(templater): file maker templating library

Author: roger-king

.gitignore

@@ -0,0 +1,15 @@
+# Binaries for programs and plugins
+*.exe
+*.exe~
+*.dll
+*.so
+*.dylib
+
+# Test binary, built with `go test -c`
+*.test
+
+# Output of the go coverage tool, specifically when used with LiteIDE
+*.out
+
+# Dependency directories (remove the comment below to include it)
+vendor/

Makefile

@@ -0,0 +1,14 @@
+DOCKER_TARGET?=ci
+
+test:
+	cd ${module} && go test -v github.com/openopsdev/go-cli-commons/...
+
+lint:
+	go get -u golang.org/x/lint/golint
+	test -z "$$(golint ./...)"
+
+local-module:
+	echo "replace github.com/openopsdev/go-cli-commons/$(module) => ../go-cli-commons/$(module)" >> go.mod
+
+remote-module:
+	sed -i -e "/replace\ github\.com\/openopsdev\/go-cli-commons\/$(module)\ =>/d" go.mod

README.md

@@ -1,2 +1,3 @@
-# go-cobra-commons
-Cobra CLI Tool Common Utility Methods
+# go-cli-commons
+
+CLI Tool Common Utility Methods (currently we use cobra framework)

go.mod

@@ -0,0 +1,5 @@
+module github.com/openopsdev/go-cobra-commons
+
+go 1.15
+
+require github.com/aymerick/raymond v2.0.2+incompatible

go.sum

@@ -0,0 +1,3 @@
+github.com/aymerick/raymond v1.1.0 h1:phuNN2s67eI/HtO8CrvqFcdR2JP+BtkGJZ9n692Hr2Y=
+github.com/aymerick/raymond v2.0.2+incompatible h1:VEp3GpgdAnv9B2GFyTvqgcKvY+mfKMjPOA3SbKLtnU0=
+github.com/aymerick/raymond v2.0.2+incompatible/go.mod h1:osfaiScAUVup+UC9Nfq76eWqDhXlp+4UYaA8uhTBO6g=

templater/file.go

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+package templater
+
+import (
+	"errors"
+	"os"
+
+	"github.com/aymerick/raymond"
+)
+
+// FileMaker - Renders a template with passed vars
+type FileMaker struct {
+	Path string
+	Result string
+}
+
+// NewFile -
+func NewFile(path string) *FileMaker {
+	return &FileMaker{
+		Path: path,
+	}
+}
+
+// Render -
+func (f *FileMaker) Render(vars map[string]string) error {
+	tpl, err := raymond.ParseFile(f.Path)
+	if err != nil {
+		return err
+	}
+
+	result, err := tpl.Exec(vars)
+
+	if err != nil {
+		return err
+	}
+
+	f.Result = result
+	return nil
+}
+
+func (f *FileMaker) writeToFile(dest string) error {
+	file, err := os.Create(dest)
+
+    if err != nil {
+        return err
+    }
+
+    defer file.Close()
+
+    _, err = file.WriteString(f.Result)
+
+    if err != nil {
+        return err
+	}
+	
+	return nil
+}
+
+// Save - saves results to a file
+func (f *FileMaker) Save(dest string) error {
+	if len(f.Result) > 0 {
+		err := f.writeToFile(dest)
+
+		if err != nil {
+			return err
+		}
+	} else {
+		return errors.New("no result")
+	}
+	return nil
+}

templater/templater.go

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+package templater
+
+// Templater -
+type Templater interface {
+	Render() interface{}
+}