initial commit

lib/fetcher.wikijs.go

@@ -0,0 +1,48 @@
+package lib
+
+import (
+	"bytes"
+	"encoding/json"
+	"fmt"
+	"net/http"
+)
+
+type WikiFetcher struct {
+	Config Config
+	Cache  *Cache
+}
+
+func (f WikiFetcher) Fetch() string {
+	q := `{"query":"{ pages { list(orderBy: UPDATED, orderByDirection: DESC, limit: 1){ updatedAt title }}}"}`
+	wikiURL := fmt.Sprintf("%s/graphql", f.Config.WikiBaseURL)
+	req, _ := http.NewRequest("POST", wikiURL, bytes.NewBuffer([]byte(q)))
+	req.Header.Set("Authorization", "Bearer "+f.Config.WikiToken)
+	req.Header.Set("Content-Type", "application/json")
+	res, err := http.DefaultClient.Do(req)
+	if err != nil {
+		return ""
+	}
+	defer res.Body.Close()
+
+	var r struct {
+		Data struct {
+			Pages struct {
+				List []struct {
+					UpdatedAt string
+					Title     string
+					Path      string
+				}
+			}
+		}
+	}
+	json.NewDecoder(res.Body).Decode(&r)
+	if len(r.Data.Pages.List) == 0 {
+		return ""
+	}
+	u := r.Data.Pages.List[0]
+	if f.Cache.TryUpdate("wiki", u.UpdatedAt) {
+		url := fmt.Sprintf("%s/%s", f.Config.WikiBaseURL, u.Path)
+		return fmt.Sprintf("Wiki: %s <%s>", u.Title, url)
+	}
+	return ""
+}