reorganized code

config/global.go

@@ -0,0 +1,42 @@
+package config
+
+import (
+	"io/ioutil"
+
+	"gopkg.in/yaml.v2"
+)
+
+// GlobalConfig is config which is used only once in root dir
+type GlobalConfig struct {
+	Webserver struct {
+		Type string `yaml:"Type"`
+	} `yaml:"Webserver"`
+
+	Assets struct {
+		FromPath    string `yaml:"FromPath"`
+		ToPath      string `yaml:"ToPath"`
+		Action      string `yaml:"Action"`
+		FixTemplate struct {
+			Find    string `yaml:"Find"`
+			Replace string `yaml:"Replace"`
+		} `yaml:"FixTemplate"`
+	} `yaml:"Assets"`
+
+	OtherFiles struct {
+		Action string `yaml:"Action"`
+	} `yaml:"OtherFiles"`
+}
+
+var Config = new(GlobalConfig)
+
+func ReadGlobalConfig(filename string) error {
+	data, err := ioutil.ReadFile(filename)
+	if err != nil {
+		return err
+	}
+	err = yaml.Unmarshal(data, Config)
+	if err != nil {
+		return err
+	}
+	return nil
+}

helper/logger.go

@@ -0,0 +1,52 @@
+package helper
+
+import (
+	"os"
+
+	"github.com/davecgh/go-spew/spew"
+	"github.com/op/go-logging"
+)
+
+// Log is global logger
+var Log = logging.MustGetLogger("myLogger")
+
+// ConfigureLogger sets logger backend and level
+func ConfigureLogger(level string) {
+	logBackend := logging.NewLogBackend(os.Stderr, "", 0)
+	logBackendFormatter := logging.NewBackendFormatter(logBackend, logging.MustStringFormatter(
+		`%{color}%{time:15:04:05.000} %{shortfunc} ▶ %{level:.4s} %{id:03x}%{color:reset} %{message}`,
+	))
+	logBackendLeveled := logging.AddModuleLevel(logBackendFormatter)
+	logBackendLevel := logging.INFO
+	switch level {
+	case "debug":
+		logBackendLevel = logging.DEBUG
+		break
+
+	case "info":
+		logBackendLevel = logging.INFO
+		break
+
+	case "notice":
+		logBackendLevel = logging.NOTICE
+		break
+
+	case "warning":
+		logBackendLevel = logging.WARNING
+		break
+
+	case "error":
+		logBackendLevel = logging.ERROR
+		break
+
+	}
+	logBackendLeveled.SetLevel(logBackendLevel, "")
+	logging.SetBackend(logBackendLeveled)
+}
+
+func init() {
+	spew.Config.DisablePointerAddresses = true
+	spew.Config.DisableCapacities = true
+	spew.Config.DisableMethods = true
+	spew.Config.DisablePointerMethods = true
+}

helper/render.go

@@ -0,0 +1,67 @@
+package helper
+
+import (
+	"log"
+	"path"
+	"regexp"
+	"strings"
+
+	"gitbase.de/apairon/mark2web/config"
+	"github.com/flosch/pongo2"
+)
+
+var templateCache = make(map[string]*pongo2.Template)
+var currentContext map[string]interface{}
+var templateDir string
+
+func BackToRoot(curNavPath string) string {
+	tmpPath := ""
+	if curNavPath != "" {
+		for i := strings.Count(curNavPath, "/") + 1; i > 0; i-- {
+			tmpPath += "../"
+		}
+	}
+	return tmpPath
+}
+
+// SetTemplateDir sets base directory for searching template files
+func SetTemplateDir(dir string) {
+	templateDir = dir
+}
+
+// RenderTemplate renders a pongo2 template with context
+func RenderTemplate(filename string, ctx map[string]interface{}) (string, error) {
+	currentContext = ctx
+	templateFile := templateDir + "/" + filename
+	template := templateCache[templateFile]
+	if template == nil {
+		var err error
+		if template, err = pongo2.FromFile(templateFile); err != nil {
+			log.Panicf("could not parse template '%s': %s", templateFile, err)
+		} else {
+			templateCache[templateFile] = template
+		}
+	}
+
+	return template.Execute(ctx)
+}
+
+func FixAssetsPath(str, curNavPath string) string {
+	if find := config.Config.Assets.FixTemplate.Find; find != "" {
+		Log.Debugf("fixing assets paths for path '%s'", curNavPath)
+		repl := config.Config.Assets.FixTemplate.Replace
+		toPath := config.Config.Assets.ToPath
+
+		bToRoot := BackToRoot(curNavPath)
+		regex, err := regexp.Compile(find)
+		if err != nil {
+			log.Panicf("could not compile regexp '%s' for assets path: %s", find, err)
+		}
+		repl = bToRoot + toPath + "/" + repl
+		repl = path.Clean(repl) + "/"
+		Log.Debugf("new assets paths: %s", repl)
+		return regex.ReplaceAllString(str, repl)
+	} else {
+		return str
+	}
+}

helper/template_functions.go

@@ -11,8 +11,8 @@ import (
 	"github.com/flosch/pongo2"
 )
 
-// Request will make a web request and returns map[string]interface form pongo2
-func Request(url *pongo2.Value, args ...*pongo2.Value) *pongo2.Value {
+// RequestFn will make a web request and returns map[string]interface form pongo2
+func RequestFn(url *pongo2.Value, args ...*pongo2.Value) *pongo2.Value {
 	u := url.String()
 	fmt.Printf("request GET %s\n", u)
 
@@ -49,3 +49,19 @@ func Request(url *pongo2.Value, args ...*pongo2.Value) *pongo2.Value {
 
 	return pongo2.AsValue(jsonMap)
 }
+
+// RenderFn renders a pongo2 template with additional context
+func RenderFn(templateFilename, outDir, subCtxName, ctx *pongo2.Value) *pongo2.Value {
+	currentContext[subCtxName.String()] = ctx
+	result, err := RenderTemplate(templateFilename.String(), currentContext)
+	if err != nil {
+		panic(err)
+	}
+
+	result = FixAssetsPath(
+		result,
+		currentContext["CurrentPath"].(string),
+	)
+	spew.Dump(result)
+	return pongo2.AsValue(nil)
+}

main.go

@@ -13,12 +13,12 @@ import (
 
 	"github.com/imdario/mergo"
 
+	"gitbase.de/apairon/mark2web/config"
 	"gitbase.de/apairon/mark2web/helper"
 	"github.com/Depado/bfchroma"
 	"github.com/davecgh/go-spew/spew"
 	"github.com/flosch/pongo2"
 	"github.com/gosimple/slug"
-	"github.com/op/go-logging"
 	cpy "github.com/otiai10/copy"
 	"gopkg.in/russross/blackfriday.v2"
 	"gopkg.in/yaml.v2"
@@ -33,36 +33,11 @@ var (
 	BuildTime = "UNKNOWN"
 )
 
-var log = logging.MustGetLogger("myLogger")
+var log = helper.Log
 
 var inDir *string
 var outDir *string
 
-var templateCache = make(map[string]*pongo2.Template)
-
-// GlobalConfig is config which is used only once in root dir
-type GlobalConfig struct {
-	Webserver struct {
-		Type string `yaml:"Type"`
-	} `yaml:"Webserver"`
-
-	Assets struct {
-		FromPath    string `yaml:"FromPath"`
-		ToPath      string `yaml:"ToPath"`
-		Action      string `yaml:"Action"`
-		FixTemplate struct {
-			Find    string `yaml:"Find"`
-			Replace string `yaml:"Replace"`
-		} `yaml:"FixTemplate"`
-	} `yaml:"Assets"`
-
-	OtherFiles struct {
-		Action string `yaml:"Action"`
-	} `yaml:"OtherFiles"`
-}
-
-var globalConfig = new(GlobalConfig)
-
 // ThisPathConfig is struct for This in paths yaml
 type ThisPathConfig struct {
 	Navname *string     `yaml:"Navname"`
@@ -144,16 +119,6 @@ func merge(dst, src interface{}) error {
 	return mergo.Merge(dst, src, mergo.WithTransformers(ptrTransformer{}))
 }
 
-func backToRoot(curNavPath string) string {
-	tmpPath := ""
-	if curNavPath != "" {
-		for i := strings.Count(curNavPath, "/") + 1; i > 0; i-- {
-			tmpPath += "../"
-		}
-	}
-	return tmpPath
-}
-
 func readContentDir(inBase string, outBase string, dir string, conf *PathConfig, tree *PathConfigTree) {
 	inPath := inBase
 	if dir != "" {
@@ -333,7 +298,7 @@ func buildNavigation(conf *PathConfigTree, curNavMap *map[string]*navElement, cu
 
 		if activeNav != "" && activeNav != "/" {
 			// calculate relative path
-			bToRoot := backToRoot(activeNav)
+			bToRoot := helper.BackToRoot(activeNav)
 			navEl.GoTo = bToRoot + navEl.GoTo
 			navEl.GoTo = path.Clean(navEl.GoTo)
 		}
@@ -377,11 +342,11 @@ func processContent(conf *PathConfigTree) {
 	if goTo != nil && *goTo != "" {
 		goToFixed := *goTo
 		if strings.HasPrefix(goToFixed, "/") {
-			goToFixed = backToRoot(curNavPath) + goToFixed
+			goToFixed = helper.BackToRoot(curNavPath) + goToFixed
 		}
 		goToFixed = path.Clean(goToFixed)
 
-		switch globalConfig.Webserver.Type {
+		switch config.Config.Webserver.Type {
 		case "apache":
 			htaccessFile := conf.OutputPath + "/.htaccess"
 			log.Noticef("writing '%s' with redirect to: %s", htaccessFile, goToFixed)
@@ -512,18 +477,6 @@ RewriteRule ^$ %{REQUEST_URI}`+goToFixed+`/ [R,L]
 				htmlParts = append(htmlParts, pongo2.AsSafeValue(string(blackfriday.Run([]byte(iPart), options...))))
 			}
 
-			log.Debugf("rendering template '%s' for '%s'", *newConfig.Template, outFile)
-			templateFile := *inDir + "/templates/" + *newConfig.Template
-			template := templateCache[templateFile]
-			if template == nil {
-				var err error
-				if template, err = pongo2.FromFile(templateFile); err != nil {
-					log.Panicf("could not parse template '%s': %s", templateFile, err)
-				} else {
-					templateCache[templateFile] = template
-				}
-			}
-
 			// build navigation
 			navMap := make(map[string]*navElement)
 			navSlice := make([]*navElement, 0)
@@ -540,28 +493,21 @@ RewriteRule ^$ %{REQUEST_URI}`+goToFixed+`/ [R,L]
 			ctx["NavActive"] = navActive
 			ctx["Body"] = pongo2.AsSafeValue(string(html))
 			ctx["BodyParts"] = htmlParts
+			ctx["AssetsPath"] = config.Config.Assets.ToPath
+			ctx["CurrentPath"] = curNavPath
 
 			// register functions
-			ctx["fnRequest"] = helper.Request
+			ctx["fnRequest"] = helper.RequestFn
+			ctx["fnRender"] = helper.RenderFn
 
-			result, err := template.Execute(ctx)
+			log.Debugf("rendering template '%s' for '%s'", *newConfig.Template, outFile)
+			templateFilename := *newConfig.Template
+			result, err := helper.RenderTemplate(*newConfig.Template, ctx)
 			if err != nil {
-				log.Panicf("could not execute template '%s' for input file '%s': %s", templateFile, inFile, err)
+				log.Panicf("could not execute template '%s' for input file '%s': %s", templateFilename, inFile, err)
 			}
 
-			if find := globalConfig.Assets.FixTemplate.Find; find != "" {
-				log.Debugf("fixing assets paths in '%s' for '%s'", templateFile, inFile)
-				bToRoot := backToRoot(curNavPath)
-				regex, err := regexp.Compile(find)
-				if err != nil {
-					log.Panicf("could not compile regexp '%s' for assets path: %s", find, err)
-				}
-				repl := globalConfig.Assets.FixTemplate.Replace
-				repl = bToRoot + globalConfig.Assets.ToPath + "/" + repl
-				repl = path.Clean(repl) + "/"
-				log.Debugf("new assets paths: %s", repl)
-				result = regex.ReplaceAllString(result, repl)
-			}
+			result = helper.FixAssetsPath(result, curNavPath)
 
 			log.Noticef("writing to output file: %s", outFile)
 			err = ioutil.WriteFile(outFile, []byte(result), 0644)
@@ -575,7 +521,7 @@ RewriteRule ^$ %{REQUEST_URI}`+goToFixed+`/ [R,L]
 
 	// process other files, copy...
 	for _, file := range conf.OtherFiles {
-		switch globalConfig.OtherFiles.Action {
+		switch config.Config.OtherFiles.Action {
 		case "copy":
 			from := conf.InputPath + "/" + file
 			to := conf.OutputPath + "/" + file
@@ -593,10 +539,10 @@ RewriteRule ^$ %{REQUEST_URI}`+goToFixed+`/ [R,L]
 }
 
 func processAssets() {
-	switch globalConfig.Assets.Action {
+	switch config.Config.Assets.Action {
 	case "copy":
-		from := globalConfig.Assets.FromPath
-		to := globalConfig.Assets.ToPath
+		from := config.Config.Assets.FromPath
+		to := config.Config.Assets.ToPath
 		if !strings.HasPrefix(from, "/") {
 			from = *inDir + "/" + from
 		}
@@ -612,11 +558,6 @@ func processAssets() {
 }
 
 func main() {
-	spew.Config.DisablePointerAddresses = true
-	spew.Config.DisableCapacities = true
-	spew.Config.DisableMethods = true
-	spew.Config.DisablePointerMethods = true
-
 	inDir = flag.String("in", "./", "input directory")
 	outDir = flag.String("out", "html", "output directory")
 	createOutDir := flag.Bool("create", false, "create output directory if not existing")
@@ -633,38 +574,11 @@ func main() {
 		os.Exit(0)
 	}
 
-	logBackend := logging.NewLogBackend(os.Stderr, "", 0)
-	logBackendFormatter := logging.NewBackendFormatter(logBackend, logging.MustStringFormatter(
-		`%{color}%{time:15:04:05.000} %{shortfunc} ▶ %{level:.4s} %{id:03x}%{color:reset} %{message}`,
-	))
-	logBackendLeveled := logging.AddModuleLevel(logBackendFormatter)
-	logBackendLevel := logging.INFO
+	level := "info"
 	if logLevel != nil {
-		switch *logLevel {
-		case "debug":
-			logBackendLevel = logging.DEBUG
-			break
-
-		case "info":
-			logBackendLevel = logging.INFO
-			break
-
-		case "notice":
-			logBackendLevel = logging.NOTICE
-			break
-
-		case "warning":
-			logBackendLevel = logging.WARNING
-			break
-
-		case "error":
-			logBackendLevel = logging.ERROR
-			break
-
-		}
+		level = *logLevel
 	}
-	logBackendLeveled.SetLevel(logBackendLevel, "")
-	logging.SetBackend(logBackendLeveled)
+	helper.ConfigureLogger(level)
 
 	if inDir == nil || *inDir == "" {
 		log.Panic("input directory not specified")
@@ -701,17 +615,11 @@ func main() {
 	}
 
 	log.Debug("reading global config...")
-	p := *inDir + "/config.yml"
-	data, err := ioutil.ReadFile(p)
+	configFilename := *inDir + "/config.yml"
+	err := config.ReadGlobalConfig(configFilename)
 	if err != nil {
-		log.Panicf("could not read file '%s': %s", p, err)
+		log.Panicf("could not read file '%s': %s", configFilename, err)
 	}
-	err = yaml.Unmarshal(data, globalConfig)
-	if err != nil {
-		log.Panicf("could not parse YAML file '%s': %s", p, err)
-	}
-
-	log.Debug(spew.Sdump(globalConfig))
 
 	log.Debugf("reading input directory %s", *inDir)
 
@@ -745,6 +653,7 @@ func main() {
 
 	//spew.Dump(navMap)
 
+	helper.SetTemplateDir(*inDir + "/templates")
 	processContent(contentConfig)
 
 	processAssets()

website/templates/base_blog.html

@@ -10,6 +10,7 @@
         {{ e.teaser|markdown }}
         {% if e.body %}
             <a href="{{ e.title|slugify }}" class="btn">mehr lesen</a>
+            {{ fnRender("base_blog_details.html", e.title, "details", e) }}
         {% endif %}
     {% endfor %}
 {% endblock part0 %}
@@ -26,6 +27,7 @@
         {{ e.teaser|markdown }}
         {% if e.body %}
             <a href="{{ e.title|slugify }}" class="btn">mehr lesen</a>
+            {{ fnRender("base_blog_details.html", e.title, "details", e) }}
         {% endif %}
     {% endfor %}
 {% endblock part1 %}

website/templates/base_blog_details.html

@@ -0,0 +1,9 @@
+{% extends 'base.html' %}
+
+{% block part0 %}
+<h1>{{ details.title }}</h1>
+{% endblock part0 %}
+
+{% block part1 %}
+
+{% endblock part1 %}