grav support

lib/fetcher.grav.go

@@ -0,0 +1,58 @@
+package lib
+
+import (
+	"fmt"
+	"net/http"
+	"strconv"
+)
+
+type GravResponse struct {
+	Pages []struct {
+		Route    string `json:"route"`
+		Title    string `json:"title"`
+		Modified int64  `json:"modified"`
+	} `json:"pages"`
+}
+
+type GravFetcher struct {
+	BaseFetcher
+}
+
+func (f *GravFetcher) Name() string {
+	return "Grav"
+}
+
+func (f *GravFetcher) Fetch() []Message {
+	var messages []Message
+
+	req := FetcherRequest{
+		BaseURL: f.BaseURL,
+		Path:    fmt.Sprintf("/api/updates.json?limit=%d", f.ContentLimit),
+		Method:  http.MethodGet,
+	}
+
+	var response GravResponse
+	if err := req.Run(&response); err != nil {
+		return nil
+	}
+
+	if len(response.Pages) == 0 {
+		return nil
+	}
+
+	for _, content := range response.Pages {
+		message := f.TryCreateMessage(
+			"grav",
+			"grav_"+content.Route,
+			strconv.FormatInt(content.Modified, 10),
+			fmt.Sprintf("📖 [%s] - %s", f.Name(), content.Title),
+			fmt.Sprintf("%s%s", f.BaseURL, content.Route),
+		)
+
+		if message != nil {
+			messages = append(messages, *message)
+		}
+	}
+
+	return messages
+}