mirror of
https://gitlab1.ptb.de/waltem01/Matrix
synced 2024-12-25 11:31:46 +00:00
refactor: split into files
This commit is contained in:
parent
43ad535543
commit
ba0ff0ab48
57
convert.go
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57
convert.go
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@ -0,0 +1,57 @@
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package main
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import (
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"errors"
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"os"
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"strconv"
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)
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func getEnvFallback(key string, fallback ...string) (string, error) {
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// Check for function fallback signature
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length := len(fallback)
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if length > 1 {
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return "", errors.New("Invalid signature: Too many fallback values provided!")
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}
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// Try to get environment variable
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value, exists := os.LookupEnv(key)
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if exists {
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return value, nil
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}
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// Try using fallback value instead
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if length == 1 {
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return fallback[0], nil
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} else if length == 0 {
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// No fallback value provided
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return "", errors.New("Panic: No fallback value provided!")
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}
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// Could not get environment variable
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return "", errors.New("Could not get environment variable: " + key)
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}
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func convertFallback(input string, fallback ...int) (int, error) {
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// Check for function fallback signature
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length := len(fallback)
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if length > 1 {
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return 0, errors.New("Invalid signature: Too many fallback values provided!")
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}
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// Try to convert input to int
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value, err := strconv.Atoi(input)
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if err == nil {
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return value, nil
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}
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// Try using fallback value instead
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if length == 1 {
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return fallback[0], nil
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} else if length == 0 {
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// No fallback value provided
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return 0, errors.New("Panic: No fallback value provided!")
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}
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// Could not convert input
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return 0, err
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}
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177
main.go
177
main.go
@ -1,182 +1,12 @@
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package main
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import (
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"bytes"
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"encoding/json"
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"errors"
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"fmt"
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"log"
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"mime/multipart"
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"os"
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"strconv"
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"github.com/go-resty/resty/v2"
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"github.com/joho/godotenv"
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)
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type Response struct {
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Success bool `json:"success"`
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}
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type Endpoint string
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const (
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RECTANGLE Endpoint = "rectangle"
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UPDATE Endpoint = "update"
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COLOR Endpoint = "color"
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)
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type Update struct {
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Endpoint Endpoint `json:"endpoint"`
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}
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type Color struct {
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R uint8 `json:"r"`
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G uint8 `json:"g"`
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B uint8 `json:"b"`
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Endpoint Endpoint `json:"endpoint"`
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}
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type Rectangle struct {
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X int `json:"x"`
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Y int `json:"y"`
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W uint `json:"w"`
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H uint `json:"h"`
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Endpoint Endpoint `json:"endpoint"`
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}
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func getEnvFallback(key string, fallback ...string) (string, error) {
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// Check for function fallback signature
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length := len(fallback)
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if length > 1 {
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return "", errors.New("Invalid signature: Too many fallback values provided!")
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}
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// Try to get environment variable
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value, exists := os.LookupEnv(key)
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if exists {
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return value, nil
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}
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// Try using fallback value instead
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if length == 1 {
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return fallback[0], nil
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} else if length == 0 {
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// No fallback value provided
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return "", errors.New("Panic: No fallback value provided!")
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}
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// Could not get environment variable
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return "", errors.New("Could not get environment variable: " + key)
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}
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func convertFallback(input string, fallback ...int) (int, error) {
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// Check for function fallback signature
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length := len(fallback)
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if length > 1 {
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return 0, errors.New("Invalid signature: Too many fallback values provided!")
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}
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// Try to convert input to int
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value, err := strconv.Atoi(input)
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if err == nil {
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return value, nil
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}
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// Try using fallback value instead
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if length == 1 {
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return fallback[0], nil
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} else if length == 0 {
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// No fallback value provided
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return 0, errors.New("Panic: No fallback value provided!")
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}
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// Could not convert input
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return 0, err
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}
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func loadMatrixData() (string, int, int) {
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// Remote server info
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API_SERVER_IP, _ := getEnvFallback("API_SERVER_IP", "localhost")
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API_SERVER_PORT, _ := getEnvFallback("API_SERVER_PORT", "8080")
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// LED panel info
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PUBLIC_LED_WIDTH, _ := convertFallback(os.Getenv("PUBLIC_LED_WIDTH"), 64)
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PUBLIC_LED_HEIGHT, _ := convertFallback(os.Getenv("PUBLIC_LED_HEIGHT"), 64)
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// Matrix arrangement info
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PUBLIC_LED_CHAIN, _ := convertFallback(os.Getenv("PUBLIC_LED_CHAIN"), 1)
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PUBLIC_LED_PARALLEL, _ := convertFallback(os.Getenv("PUBLIC_LED_PARALLEL"), 1)
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// Prepare remote server url
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url := fmt.Sprintf("http://%s:%s", API_SERVER_IP, API_SERVER_PORT)
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// Calculate combined resolution
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width := PUBLIC_LED_WIDTH * PUBLIC_LED_CHAIN
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height := PUBLIC_LED_HEIGHT * PUBLIC_LED_PARALLEL
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return url, width, height
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}
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func createInsructions(marshal []byte) (*bytes.Buffer, string) {
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// Create a new form data object
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body := &bytes.Buffer{}
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writer := multipart.NewWriter(body)
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// Add the "instructions" key with the value of marshal
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part, err := writer.CreateFormField("instructions")
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if err != nil {
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log.Fatal(err)
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return nil, ""
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}
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part.Write(marshal)
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// Close the multipart writer
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writer.Close()
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return body, writer.FormDataContentType()
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}
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func sendRequest(client *resty.Client, url string, ins []interface{}) {
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// Manually marshal instructions
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marshal, err := json.Marshal(ins)
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if err != nil {
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log.Fatal(err)
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return
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}
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// Create instructions form data
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req, content := createInsructions(marshal)
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if req == nil {
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return
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}
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// Build and send request
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res, err := client.R().
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SetHeader("Content-Type", content).
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SetBody(req.Bytes()).
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Post(fmt.Sprintf("%s/instructions", url))
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// Error handling
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if err != nil {
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log.Fatal(err)
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return
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}
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// Unmarshal response
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var data Response
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err = json.Unmarshal(res.Body(), &data)
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if err != nil {
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log.Fatal(err)
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return
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}
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// Print response
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if !data.Success {
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log.Fatal(errors.New("Remote server responded unsuccessfully!"))
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}
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}
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func main() {
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// Load .env file if it exists
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err := godotenv.Load(".env")
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@ -194,6 +24,13 @@ func main() {
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// Initialize custom matrix data
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col := Color{R: 255, G: 0, B: 255, Endpoint: COLOR}
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rct := Rectangle{X: 0, Y: 0, W: 10, H: 10, Endpoint: RECTANGLE}
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// Send request to remote server
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sendRequest(client, url, []interface{}{col, rct})
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// Initialize custom matrix data
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col = Color{R: 255, G: 255, B: 0, Endpoint: COLOR}
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rct = Rectangle{X: 15, Y: 15, W: 15, H: 15, Endpoint: RECTANGLE}
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upd := Update{Endpoint: UPDATE}
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// Send request to remote server
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29
matrix.go
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29
matrix.go
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@ -0,0 +1,29 @@
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package main
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import (
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"fmt"
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"os"
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)
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func loadMatrixData() (string, int, int) {
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// Remote server info
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API_SERVER_IP, _ := getEnvFallback("API_SERVER_IP", "localhost")
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API_SERVER_PORT, _ := getEnvFallback("API_SERVER_PORT", "8080")
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// LED panel info
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PUBLIC_LED_WIDTH, _ := convertFallback(os.Getenv("PUBLIC_LED_WIDTH"), 64)
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PUBLIC_LED_HEIGHT, _ := convertFallback(os.Getenv("PUBLIC_LED_HEIGHT"), 64)
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// Matrix arrangement info
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PUBLIC_LED_CHAIN, _ := convertFallback(os.Getenv("PUBLIC_LED_CHAIN"), 1)
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PUBLIC_LED_PARALLEL, _ := convertFallback(os.Getenv("PUBLIC_LED_PARALLEL"), 1)
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// Prepare remote server url
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url := fmt.Sprintf("http://%s:%s", API_SERVER_IP, API_SERVER_PORT)
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// Calculate combined resolution
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width := PUBLIC_LED_WIDTH * PUBLIC_LED_CHAIN
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height := PUBLIC_LED_HEIGHT * PUBLIC_LED_PARALLEL
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return url, width, height
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}
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71
request.go
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71
request.go
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@ -0,0 +1,71 @@
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package main
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import (
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"bytes"
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"encoding/json"
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"errors"
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"fmt"
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"log"
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"mime/multipart"
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"github.com/go-resty/resty/v2"
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)
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func createInsructions(marshal []byte) (*bytes.Buffer, string) {
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// Create a new form data object
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body := &bytes.Buffer{}
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writer := multipart.NewWriter(body)
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// Add the "instructions" key with the value of marshal
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part, err := writer.CreateFormField("instructions")
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if err != nil {
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log.Fatal(err)
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return nil, ""
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}
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part.Write(marshal)
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// Close the multipart writer
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writer.Close()
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return body, writer.FormDataContentType()
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}
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func sendRequest(client *resty.Client, url string, ins []interface{}) {
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// Manually marshal instructions
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marshal, err := json.Marshal(ins)
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if err != nil {
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log.Fatal(err)
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return
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}
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// Create instructions form data
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req, content := createInsructions(marshal)
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if req == nil {
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return
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}
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// Build and send request
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res, err := client.R().
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SetHeader("Content-Type", content).
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SetBody(req.Bytes()).
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Post(fmt.Sprintf("%s/instructions", url))
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// Error handling
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if err != nil {
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log.Fatal(err)
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return
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}
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// Unmarshal response
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var data Response
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err = json.Unmarshal(res.Body(), &data)
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if err != nil {
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log.Fatal(err)
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return
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}
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// Print response
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if !data.Success {
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log.Fatal(errors.New("Remote server responded unsuccessfully!"))
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}
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}
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32
types.go
Normal file
32
types.go
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@ -0,0 +1,32 @@
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package main
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type Response struct {
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Success bool `json:"success"`
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}
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type Endpoint string
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const (
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RECTANGLE Endpoint = "rectangle"
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UPDATE Endpoint = "update"
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COLOR Endpoint = "color"
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)
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type Update struct {
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Endpoint Endpoint `json:"endpoint"`
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}
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type Color struct {
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R uint8 `json:"r"`
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G uint8 `json:"g"`
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B uint8 `json:"b"`
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Endpoint Endpoint `json:"endpoint"`
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}
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type Rectangle struct {
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X int `json:"x"`
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Y int `json:"y"`
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W uint `json:"w"`
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H uint `json:"h"`
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Endpoint Endpoint `json:"endpoint"`
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}
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