Add basic API with post fetching

post/post.go

@@ -0,0 +1,25 @@
+package post
+
+import (
+	"fmt"
+	writeas "github.com/writeas/writeas-go"
+	"net/http"
+)
+
+func Get(id string) string {
+	status, body, err := getAPI().Call("GET", fmt.Sprintf("/%s", id))
+
+	if status == http.StatusOK {
+		return body
+	} else if status == http.StatusNotFound {
+		return "Post not found."
+	} else if status == http.StatusGone {
+		return "Post unpublished."
+	} else {
+		return fmt.Sprintf("Problem getting post: %s. %v\n", status, err)
+	}
+}
+
+func getAPI() *writeas.API {
+	return writeas.GetAPI()
+}

post/post_test.go

@@ -0,0 +1,14 @@
+package post
+
+import (
+	"testing"
+
+	"strings"
+)
+
+func TestGet(t *testing.T) {
+	res := Get("3psnxyhqxy3hq")
+	if !strings.HasPrefix(res, "                               Write.as Blog") {
+		t.Errorf("Unexpected fetch results: %s\n", res)
+	}
+}

writeas.go

@@ -0,0 +1,48 @@
+package writeas
+
+import (
+	"errors"
+	"fmt"
+	"io/ioutil"
+	"net/http"
+	"time"
+)
+
+const (
+	apiURL = "http://i.write.as"
+)
+
+type API struct {
+	BaseURL string
+}
+
+// defaultHTTPTimeout is the default http.Client timeout.
+const defaultHTTPTimeout = 10 * time.Second
+
+var httpClient = &http.Client{Timeout: defaultHTTPTimeout}
+
+func GetAPI() *API {
+	return &API{apiURL}
+}
+
+func (a API) Call(method, path string) (int, string, error) {
+	if method != "GET" && method != "HEAD" {
+		return 0, "", errors.New(fmt.Sprintf("Method %s not currently supported by library (only HEAD and GET).\n", method))
+	}
+
+	r, _ := http.NewRequest(method, fmt.Sprintf("%s%s", a.BaseURL, path), nil)
+	r.Header.Add("User-Agent", "writeas-go v1")
+
+	resp, err := httpClient.Do(r)
+	if err != nil {
+		return 0, "", err
+	}
+	defer resp.Body.Close()
+
+	content, err := ioutil.ReadAll(resp.Body)
+	if err != nil {
+		return resp.StatusCode, "", err
+	}
+
+	return resp.StatusCode, string(content), nil
+}