status: Add InStatus as a provider

arc/statuses/instatus.go

@@ -0,0 +1,63 @@
+package statuses
+
+import (
+	"fmt"
+	"net/http"
+)
+
+/*
+ * This file defines the structs and other components needed to represent a
+ * status page hosted by InstatusStatus.com.
+ */
+
+type inStatusPageField struct {
+	Name   string `json:"name"`
+	URL    string `url:"url"`
+	Status string `url:"status"`
+}
+
+type inStatusResponse struct {
+	Page *inStatusPageField `json:"page"`
+}
+
+/*
+ * inStatusPage represents the way to connect to the API and retrieve a
+ * response.
+ */
+type inStatusPage struct {
+	name   string
+	apiURL string
+	data   *inStatusResponse
+}
+
+/*
+ * Fetch pulls in a response from the API.
+ */
+func (p *inStatusPage) Fetch(c *http.Client) error {
+
+	return fetchJSON(c, p.apiURL, &p.data)
+}
+
+func (p *inStatusPage) Name() string {
+	return p.name
+}
+
+func (p *inStatusPage) URL() string {
+	return p.apiURL
+}
+
+func (p *inStatusPage) Status() (string, error) {
+
+	if p.data == nil {
+		return "", fmt.Errorf("Data hasn't been retrieved.")
+	}
+
+	return p.data.Page.Status, nil
+}
+
+/*
+ * RegisterStatusPageIOPage creates a new provider.
+ */
+func RegisterInStatusPage(name, apiURL string) error {
+	return registerPage(&inStatusPage{name: name, apiURL: apiURL})
+}