Add ability to query the article index

cmd/backend/config.go

@@ -57,7 +57,7 @@ func newConfig() *Config {
 		MaxImgWidth:       1920,
 		PDFDir:            "/var/www/cpolis/pdfs",
 		Port:              ":1664",
-		Version:           "v0.16.2",
+		Version:           "v0.17.0",
 		WebDir:            "/var/www/cpolis/web",
 	}
 }

cmd/calls/articles.go

@@ -1,6 +1,7 @@
 package calls
 
 import (
+	"encoding/json"
 	"fmt"
 	"log"
 	"net/http"
@@ -109,3 +110,21 @@ func ServeClicks(db *b.DB) http.HandlerFunc {
 		}
 	}
 }
+
+func QueryArticles(i *b.Index) http.HandlerFunc {
+	return func(w http.ResponseWriter, r *http.Request) {
+		result, err := i.Query(r.PathValue("query"))
+		if err != nil {
+			log.Println(err)
+			http.Error(w, err.Error(), http.StatusInternalServerError)
+			return
+		}
+
+		w.Header().Set("Content-Type", "application/json")
+		if err := json.NewEncoder(w).Encode(result); err != nil {
+			log.Println(err)
+			http.Error(w, fmt.Sprintf("error encoding results to JSON: %v", err), http.StatusInternalServerError)
+			return
+		}
+	}
+}

cmd/main.go

@@ -60,6 +60,7 @@ func main() {
 	mux.HandleFunc("GET /article/delete/{id}", f.DeleteArticle(config, db, sessions))
 	mux.HandleFunc("GET /article/edit/{id}", f.EditArticle(config, db, sessions))
 	mux.HandleFunc("GET /article/publish/{id}", f.PublishArticle(config, db, sessions, index))
+	mux.HandleFunc("GET /article/query/{query}", c.QueryArticles(index))
 	mux.HandleFunc("GET /article/reject/{id}", f.RejectArticle(config, db, sessions))
 	mux.HandleFunc("GET /article/review-delete/{id}", f.ReviewArticle(config, db, sessions, "delete", "Artikel löschen", "Löschen"))
 	mux.HandleFunc("GET /article/review-edit/{id}", f.ReviewArticle(config, db, sessions, "allow-edit", "Artikel bearbeiten", "Bearbeiten erlauben"))