(docs) adds frontend LP

.air.toml

@@ -0,0 +1,45 @@
+# .air.conf
+# Config file for [Air](https://github.com/cosmtrek/air) in TOML format
+
+# Working directory
+# . or absolute path, please note that the directories following must be under root.
+root = "."
+tmp_dir = "tmp"
+
+[build]
+# Just plain old shell command. You could use `make` as well.
+cmd = "go mod tidy && go build -o ./tmp/main api/main.go"
+# Binary file yields from `cmd`.
+bin = "tmp/main"
+# Customize binary.
+# allow cors for astro
+full_bin = "PP_USER=air ./tmp/main --cors=4321"
+# Watch these filename extensions.
+include_ext = ["go", "tpl", "tmpl", "html", "env", "conf"]
+# Ignore these filename extensions or directories.
+exclude_dir = ["assets", "tmp", "vendor", "dist", "api/pkg/frontend"]
+# Watch these directories if you specified.
+include_dir = []
+# Exclude files.
+exclude_file = []
+# It's not necessary to trigger build each time file changes if it's too frequent.
+delay = 1000 # ms
+# Stop to run old binary when build errors occur.
+stop_on_error = true
+# This log file places in your tmp_dir.
+log = "air_errors.log"
+
+[log]
+# Show log time
+time = false
+
+[color]
+# Customize each part's color. If no color found, use the raw app log.
+main = "magenta"
+watcher = "cyan"
+build = "yellow"
+runner = "green"
+
+[misc]
+# Delete tmp directory on exit
+clean_on_exit = true

.gitignore

@@ -21,3 +21,4 @@ bin/
 main
 .DS_Store
 output.svg
+node_modules/

README.md

@@ -1,5 +1,5 @@
 <h1 align="center">
-  SVG - Circle & Bar Progress generator
+  SVG - Circle, Bar & Battery progress generator
   <br>
   in Golang.
   <br>
@@ -24,6 +24,8 @@
 
 **Bar Progress:** Generate pure SVG bar progress bar.
 
+**Battery Progress:** Generate pure SVG battery progress bar.
+
 **Supports Captions:** Add captions horizontally or vertically.
 
 **Customizable:** Customize with various color, width, height, background and caption options.
@@ -66,14 +68,13 @@ import (
 func main() {
 	circular, _ := gps.NewCircular(func(o *gps.CircularOptions) error {
         o.Progress = 97
-		o.Size = 200
+		o.CircleSize = 200
 		o.CircleWidth = 16
 		o.ProgressWidth = 16
 		o.CircleColor = "#e0e0e0"
 		o.ProgressColor = "#76e5b1"
 		o.TextColor = "#6bdba7"
-		o.TextSize = 52
-		o.ShowPercentage = true
+		o.TextSize = 52true
 		o.BackgroundColor = ""
 		o.Caption = ""
 		o.CaptionPos = "bottom"
@@ -104,8 +105,7 @@ func main() {
 		o.Height = 50
 		o.ProgressColor = "#76e5b1"
 		o.TextColor = "#6bdba7"
-		o.TextSize = 20
-		o.ShowPercentage = true
+		o.TextSize = 20true
 		o.Caption = ""
 		o.CaptionSize = 16
 		o.CaptionColor = "#000000"

api/main.go

@@ -0,0 +1,30 @@
+package main
+
+import (
+	"flag"
+
+	"github.com/kevincobain2000/go-progress-svg/api/pkg"
+)
+
+type Flags struct {
+	host    string
+	port    string
+	cors    string
+	baseUrl string
+}
+
+var f Flags
+
+func main() {
+	SetupFlags()
+	pkg.StartEcho(pkg.NewEcho(f.baseUrl, f.cors), f.host, f.port)
+}
+
+func SetupFlags() {
+	flag.StringVar(&f.host, "host", "localhost", "host to serve")
+	flag.StringVar(&f.port, "port", "3003", "port to serve")
+	flag.StringVar(&f.cors, "cors", "", "cors port to allow")
+	flag.StringVar(&f.baseUrl, "base-url", "/", "base url with slash")
+	flag.Parse()
+
+}

api/pkg/api_handler.go

@@ -0,0 +1,134 @@
+package pkg
+
+import (
+	"net/http"
+
+	gps "github.com/kevincobain2000/go-progress-svg"
+	"github.com/labstack/echo/v4"
+	"github.com/mcuadros/go-defaults"
+)
+
+type APIHandler struct {
+}
+
+func NewAPIHandler() *APIHandler {
+	return &APIHandler{}
+}
+
+type APIRequest struct {
+	Style string `json:"style"  query:"style" default:"circle" validate:"required,ascii,oneof=circle battery bar" message:"style is required"`
+
+	// common on all styles
+	Progress int `json:"progress" query:"progress" default:"1" validate:"required,min=0,max=100" message:"progress is required"`
+
+	// only circle style
+	CircleSize    int    `json:"size" query:"size" default:"100" validate:"required,min=50,max=500" message:"size is required"`
+	CircleWidth   int    `json:"circle_width" query:"circle_width" default:"15" validate:"required,min=1,max=200" message:"circle_width is required"`
+	ProgressWidth int    `json:"progress_width" query:"progress_width" default:"15" validate:"required,min=1,max=50" message:"progress_width is required"`
+	CircleColor   string `json:"circle_color" query:"circle_color" default:"e0e0e0" validate:"required" message:"circle_color is required"`
+
+	// circle style
+	ProgressColor string `json:"progress_color" query:"progress_color" default:"76e5b1" validate:"required" message:"progress_color is required"`
+	TextColor     string `json:"text_color" query:"text_color" default:"6bdba7" validate:"required" message:"text_color is required"`
+	TextSize      int    `json:"text_size" query:"text_size" default:"52" validate:"required,min=10,max=100" message:"text_size is required"`
+
+	BackgroundColor string `json:"background_color" query:"background_color" default:"e0e0e0" validate:"required" message:"background_color is required"`
+	CaptionSize     int    `json:"caption_size" query:"caption_size" default:"25" validate:"required,min=2,max=100" message:"caption_size is required"`
+	CaptionColor    string `json:"caption_color" query:"caption_color" default:"000000" validate:"required" message:"caption_color is required"`
+	SegmentCount    int    `json:"segment_count" query:"segment_count" default:"1" validate:"min=0,max=100" message:"segment_count min 0 and max 100"`
+	SegmentGap      int    `json:"segment_gap" query:"segment_gap" default:"0" validate:"min=0,max=10" message:"segment_gap min 0 and max 10"`
+	Caption         string `json:"caption" query:"caption" default:"" validate:"ascii,min=0,max=20" message:"caption min 0 and max 20"`
+	CornerRadius    int    `json:"corner_radius" query:"corner_radius" default:"10" validate:"required,min=1,max=50" message:"corner_radius is required"`
+
+	// only bar style
+	Width  int `json:"width" query:"width" default:"200" validate:"required,min=50,max=500" message:"width is required"`
+	Height int `json:"height" query:"height" default:"20" validate:"required,min=20,max=500" message:"height is required"`
+}
+
+func (h *APIHandler) Get(c echo.Context) error {
+	req := new(APIRequest)
+	if err := BindRequest(c, req); err != nil {
+		return echo.NewHTTPError(http.StatusUnprocessableEntity, err)
+	}
+	defaults.SetDefaults(req)
+	msgs, err := ValidateRequest(req)
+	if err != nil {
+		return echo.NewHTTPError(http.StatusUnprocessableEntity, msgs)
+	}
+
+	if req.Style == "circle" {
+		circular, err := gps.NewCircular(func(o *gps.CircularOptions) error {
+			o.Progress = req.Progress
+			o.CircleSize = req.CircleSize
+			o.CircleWidth = req.CircleWidth
+			o.ProgressWidth = req.ProgressWidth
+			o.CircleColor = "#" + req.CircleColor
+			o.ProgressColor = "#" + req.ProgressColor
+			o.TextColor = "#" + req.TextColor
+			o.TextSize = req.TextSize
+			o.BackgroundColor = "#" + req.BackgroundColor
+			o.Caption = req.Caption
+			o.CaptionSize = req.CaptionSize
+			o.CaptionColor = "#" + req.CaptionColor
+			o.SegmentCount = req.SegmentCount
+			o.SegmentGap = float64(req.SegmentGap)
+
+			return nil
+		})
+		if err != nil {
+			return echo.NewHTTPError(http.StatusInternalServerError, err)
+		}
+		content := circular.SVG()
+		SetHeadersResponseSvg(c.Response().Header())
+		return c.Blob(http.StatusOK, "image/svg+xml", []byte(content))
+	}
+
+	if req.Style == "bar" {
+		bar, err := gps.NewBar(func(o *gps.BarOptions) error {
+			o.Progress = req.Progress
+			o.Caption = req.Caption
+			o.Width = req.Width
+			o.Height = req.Height
+			o.ProgressColor = "#" + req.ProgressColor
+			o.TextColor = "#" + req.TextColor
+			o.TextSize = req.TextSize
+			o.Caption = req.Caption
+			o.CaptionSize = req.CaptionSize
+			o.CaptionColor = "#" + req.CaptionColor
+			o.BackgroundColor = "#" + req.BackgroundColor
+			o.CornerRadius = req.CornerRadius
+			return nil
+		})
+		if err != nil {
+			return echo.NewHTTPError(http.StatusInternalServerError, err)
+		}
+		content := bar.SVG()
+		SetHeadersResponseSvg(c.Response().Header())
+		return c.Blob(http.StatusOK, "image/svg+xml", []byte(content))
+	}
+
+	if req.Style == "battery" {
+		battery, err := gps.NewBattery(func(o *gps.BatteryOptions) error {
+			o.Progress = req.Progress
+			o.Caption = req.Caption
+			o.Width = req.Width
+			o.Height = req.Height
+			o.ProgressColor = "#" + req.ProgressColor
+			o.TextColor = "#" + req.TextColor
+			o.TextSize = req.TextSize
+			o.Caption = req.Caption
+			o.CaptionSize = req.CaptionSize
+			o.CaptionColor = "#" + req.CaptionColor
+			o.BackgroundColor = "#" + req.BackgroundColor
+			o.CornerRadius = req.CornerRadius
+			return nil
+		})
+		if err != nil {
+			return echo.NewHTTPError(http.StatusInternalServerError, err)
+		}
+		content := battery.SVG()
+		SetHeadersResponseSvg(c.Response().Header())
+		return c.Blob(http.StatusOK, "image/svg+xml", []byte(content))
+	}
+	return nil
+}

api/pkg/assets_handler.go

@@ -0,0 +1,49 @@
+package pkg
+
+import (
+	"embed"
+	"fmt"
+	"net/http"
+	"os"
+
+	"github.com/labstack/echo/v4"
+)
+
+type AssetsHandler struct {
+	filename  string
+	publicDir embed.FS
+}
+
+func NewAssetsHandler(publicDir embed.FS, filename string) *AssetsHandler {
+	return &AssetsHandler{
+		publicDir: publicDir,
+		filename:  filename,
+	}
+}
+
+func (h *AssetsHandler) GetPlain(c echo.Context) error {
+	filename := fmt.Sprintf("%s/%s", DIST_DIR, h.filename)
+	content, err := h.publicDir.ReadFile(filename)
+	if err != nil {
+		return echo.NewHTTPError(http.StatusNotFound, "Not Found")
+	}
+	return ResponsePlain(c, content, "0")
+}
+func (h *AssetsHandler) GetICO(c echo.Context) error {
+	filename := fmt.Sprintf("%s/%s", DIST_DIR, h.filename)
+	content, err := h.publicDir.ReadFile(filename)
+	if err != nil {
+		return echo.NewHTTPError(http.StatusNotFound, "Not Found")
+	}
+	SetHeadersResponsePNG(c.Response().Header())
+	return c.Blob(http.StatusOK, "image/x-icon", content)
+}
+
+func (h *AssetsHandler) GetHTML(c echo.Context) error {
+	filename := fmt.Sprintf("%s/%s", DIST_DIR, h.filename)
+	content, err := h.publicDir.ReadFile(filename)
+	if err != nil {
+		return c.String(http.StatusOK, os.Getenv("VERSION"))
+	}
+	return ResponseHTML(c, content, "0")
+}