datetime client

.github/workflows/main.yaml

@@ -0,0 +1,54 @@
+name: Go CI
+
+on:
+  push:
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+      - name: Set up Go
+        uses: actions/setup-go@v4
+        with:
+          go-version: '1.23.1'
+      - name: Build
+        run: go build -v ./...
+
+
+  golangci:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: actions/setup-go@v5
+        with:
+          go-version: stable
+      - name: golangci-lint
+        uses: golangci/golangci-lint-action@v6
+        with:
+          version: v1.60
+      - name: Go Format
+        uses: Jerome1337/gofmt-action@v1.0.5
+        with:
+          gofmt-path: './src'
+          gofmt-flags: '-l -d'
+
+  pull-run-test:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: actions/setup-go@v5
+        with:
+          go-version: stable
+      - name: pull http server
+        run: docker pull rawanmostafa/httpserver:latest
+      - name: pull gin server
+        run: docker pull rawanmostafa/ginserver:latest
+      - name: run http server
+        run: docker run -d -p 8080:8080 rawanmostafa/httpserver:latest
+      - name: run gin server
+        run: docker run -d -p 8083:8083 rawanmostafa/ginserver:latest
+      - name: test
+        run: go test -v ./pkg
+
+

README.md

@@ -1 +1,67 @@
-# Datetime-client-RawanMostafa
+# Datetime Client 
+
+This repository implements an http datetime client that accepts the response of a datetime server
+
+## Table of Contents
+
+- [Installation](#installation)
+- [Usage](#usage)
+
+
+## Installation
+
+1. Clone the repository
+
+   ```bash
+   git clone https://github.com/codescalersinternships/Datetime-client-RawanMostafa.git
+   ```
+
+2. Install the dependencies
+    ```bash
+    go mod download
+    ```
+
+## Usage
+
+  You can configure our client using different ways:
+
+### 1. Using flags
+
+   ```bash
+    go run cmd/main.go [flags]
+   ```
+#### Flags:
+   - baseUrl=BASEURL 
+   - port=PORT
+   - endpoint=ENDPOINT
+
+### 2. Using environment variables
+This is used in case of no passed flags
+
+   ```bash
+    export VARNAME="my value"
+    go run cmd/main.go 
+   ```
+#### Environment variables:
+   - DATETIME_BASEURL 
+   - DATETIME_PORT
+   - DATETIME_ENDPOINT
+
+### 2. Using the default configurations
+Our application provides default configurations in case no flags are provided and environment variables aren't set
+
+   ```bash
+    go run cmd/main.go 
+   ```
+#### Default configs:
+  ```go
+    const defaltBaseUrl = "http://localhost"
+    const defaultEndpoint = "/datetime"
+    const defaultPort = "8083"
+  ```
+
+#### Extra Utilities
+  - Check this function to get environment variables : [`decideConfigs`](https://github.com/codescalersinternships/Datetime-client-RawanMostafa/blob/9c3cc7ecf671057648e10d07c550c171b51747a6/cmd/main.go#L43-L76)
+  - Check this function to get the flags : [`getFlags`](https://github.com/codescalersinternships/Datetime-client-RawanMostafa/blob/9c3cc7ecf671057648e10d07c550c171b51747a6/cmd/main.go#L29-L41)
+
+

cmd/main.go

@@ -0,0 +1,66 @@
+package main
+
+import (
+	"flag"
+	"log"
+	"os"
+	"time"
+
+	pkg "github.com/codescalersinternships/Datetime-client-RawanMostafa/pkg"
+)
+
+const defaltBaseUrl = "http://localhost"
+const defaultEndpoint = "/datetime"
+const defaultPort = "8083"
+
+func getFlags() (string, string, string) {
+	var port string
+	flag.StringVar(&port, "port", "", "Specifies the port")
+
+	var baseUrl string
+	flag.StringVar(&baseUrl, "baseUrl", "", "Specifies the base url")
+
+	var endpoint string
+	flag.StringVar(&endpoint, "endpoint", "", "Specifies the endpoint")
+
+	flag.Parse()
+	return baseUrl, endpoint, port
+}
+
+func loadConfigs() (string, string, string) {
+
+	baseUrl, endpoint, port := getFlags()
+	var found bool
+
+	if baseUrl == "" {
+		baseUrl, found = os.LookupEnv("DATETIME_BASEURL")
+		if !found {
+			baseUrl = defaltBaseUrl
+		}
+	}
+	if endpoint == "" {
+		endpoint, found = os.LookupEnv("DATETIME_ENDPOINT")
+		if !found {
+			endpoint = defaultEndpoint
+		}
+	}
+	if port == "" {
+		port, found = os.LookupEnv("DATETIME_PORT")
+		if !found {
+			port = defaultPort
+		}
+	}
+	return baseUrl, endpoint, port
+
+}
+
+func main() {
+	baseUrl, endpoint, port := loadConfigs()
+
+	c := pkg.NewClient(baseUrl, endpoint, port, "text/plain", time.Second)
+	timeNow, err := c.GetTime()
+	if err != nil {
+		log.Fatal(err)
+	}
+	log.Println(timeNow)
+}

go.mod

@@ -0,0 +1,36 @@
+module github.com/codescalersinternships/Datetime-client-RawanMostafa
+
+go 1.23.1
+
+require github.com/cenkalti/backoff/v4 v4.3.0
+
+require (
+	github.com/bytedance/sonic v1.12.2 // indirect
+	github.com/bytedance/sonic/loader v0.2.0 // indirect
+	github.com/cloudwego/base64x v0.1.4 // indirect
+	github.com/cloudwego/iasm v0.2.0 // indirect
+	github.com/gabriel-vasile/mimetype v1.4.5 // indirect
+	github.com/gin-contrib/sse v0.1.0 // indirect
+	github.com/gin-gonic/gin v1.10.0 // indirect
+	github.com/go-playground/locales v0.14.1 // indirect
+	github.com/go-playground/universal-translator v0.18.1 // indirect
+	github.com/go-playground/validator/v10 v10.22.1 // indirect
+	github.com/goccy/go-json v0.10.3 // indirect
+	github.com/json-iterator/go v1.1.12 // indirect
+	github.com/klauspost/cpuid/v2 v2.2.8 // indirect
+	github.com/leodido/go-urn v1.4.0 // indirect
+	github.com/mattn/go-isatty v0.0.20 // indirect
+	github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd // indirect
+	github.com/modern-go/reflect2 v1.0.2 // indirect
+	github.com/pelletier/go-toml/v2 v2.2.3 // indirect
+	github.com/twitchyliquid64/golang-asm v0.15.1 // indirect
+	github.com/ugorji/go/codec v1.2.12 // indirect
+	golang.org/x/arch v0.10.0 // indirect
+	golang.org/x/crypto v0.27.0 // indirect
+	golang.org/x/exp v0.0.0-20240909161429-701f63a606c0 // indirect
+	golang.org/x/net v0.29.0 // indirect
+	golang.org/x/sys v0.25.0 // indirect
+	golang.org/x/text v0.18.0 // indirect
+	google.golang.org/protobuf v1.34.2 // indirect
+	gopkg.in/yaml.v3 v3.0.1 // indirect
+)

go.sum

@@ -0,0 +1,81 @@
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