api,db: add page attributes and thread locking

api/page_update.go

@@ -0,0 +1,70 @@
+package main
+
+import (
+	"net/http"
+)
+
+func pageUpdate(p page) error {
+	if p.Domain == "" {
+		return errorMissingField
+	}
+
+	statement := `
+		INSERT INTO
+		pages  (domain, path, isLocked)
+		VALUES ($1,     $2,   $3    )
+		ON CONFLICT (domain, path) DO
+			UPDATE SET isLocked = $3;
+	`
+	_, err := db.Exec(statement, p.Domain, p.Path, p.IsLocked)
+	if err != nil {
+		logger.Errorf("error setting page attributes: %v", err)
+		return errorInternal
+	}
+
+	return nil
+}
+
+func pageUpdateHandler(w http.ResponseWriter, r *http.Request) {
+	type request struct {
+		CommenterToken   *string `json:"commenterToken"`
+		Domain           *string `json:"domain"`
+		Path             *string `json:"path"`
+		Attributes       *page   `json:"attributes"`
+	}
+
+	var x request
+	if err := bodyUnmarshal(r, &x); err != nil {
+		bodyMarshal(w, response{"success": false, "message": err.Error()})
+		return
+	}
+
+	c, err := commenterGetByCommenterToken(*x.CommenterToken)
+	if err != nil {
+		bodyMarshal(w, response{"success": false, "message": err.Error()})
+		return
+	}
+
+	domain := domainStrip(*x.Domain)
+
+	isModerator, err := isDomainModerator(domain, c.Email)
+	if err != nil {
+		bodyMarshal(w, response{"success": false, "message": err.Error()})
+		return
+	}
+
+	if !isModerator {
+		bodyMarshal(w, response{"success": false, "message": errorNotModerator.Error()})
+		return
+	}
+
+	(*x.Attributes).Domain = *x.Domain
+	(*x.Attributes).Path = *x.Path
+
+	if err = pageUpdate(*x.Attributes); err != nil {
+		bodyMarshal(w, response{"success": false, "message": err.Error()})
+		return
+	}
+
+	bodyMarshal(w, response{"success": true})
+}